Line data Source code
1 : /******************************************************************************
2 : *
3 : * Project: GeoPackage Translator
4 : * Purpose: Implements GDALGeoPackageDataset class
5 : * Author: Paul Ramsey <pramsey@boundlessgeo.com>
6 : *
7 : ******************************************************************************
8 : * Copyright (c) 2013, Paul Ramsey <pramsey@boundlessgeo.com>
9 : * Copyright (c) 2014, Even Rouault <even dot rouault at spatialys.com>
10 : *
11 : * SPDX-License-Identifier: MIT
12 : ****************************************************************************/
13 :
14 : #include "ogr_geopackage.h"
15 : #include "ogr_p.h"
16 : #include "ogr_swq.h"
17 : #include "gdal_alg.h"
18 : #include "gdalwarper.h"
19 : #include "gdal_utils.h"
20 : #include "ogrgeopackageutility.h"
21 : #include "ogrsqliteutility.h"
22 : #include "ogr_wkb.h"
23 : #include "vrt/vrtdataset.h"
24 :
25 : #include "tilematrixset.hpp"
26 :
27 : #include <cstdlib>
28 :
29 : #include <algorithm>
30 : #include <limits>
31 : #include <sstream>
32 :
33 : #define COMPILATION_ALLOWED
34 : #define DEFINE_OGRSQLiteSQLFunctionsSetCaseSensitiveLike
35 : #include "ogrsqlitesqlfunctionscommon.cpp"
36 :
37 : // Keep in sync prototype of those 2 functions between gdalopeninfo.cpp,
38 : // ogrsqlitedatasource.cpp and ogrgeopackagedatasource.cpp
39 : void GDALOpenInfoDeclareFileNotToOpen(const char *pszFilename,
40 : const GByte *pabyHeader,
41 : int nHeaderBytes);
42 : void GDALOpenInfoUnDeclareFileNotToOpen(const char *pszFilename);
43 :
44 : /************************************************************************/
45 : /* Tiling schemes */
46 : /************************************************************************/
47 :
48 : typedef struct
49 : {
50 : const char *pszName;
51 : int nEPSGCode;
52 : double dfMinX;
53 : double dfMaxY;
54 : int nTileXCountZoomLevel0;
55 : int nTileYCountZoomLevel0;
56 : int nTileWidth;
57 : int nTileHeight;
58 : double dfPixelXSizeZoomLevel0;
59 : double dfPixelYSizeZoomLevel0;
60 : } TilingSchemeDefinition;
61 :
62 : static const TilingSchemeDefinition asTilingSchemes[] = {
63 : /* See http://portal.opengeospatial.org/files/?artifact_id=35326 (WMTS 1.0),
64 : Annex E.3 */
65 : {"GoogleCRS84Quad", 4326, -180.0, 180.0, 1, 1, 256, 256, 360.0 / 256,
66 : 360.0 / 256},
67 :
68 : /* See global-mercator at
69 : http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification */
70 : {"PseudoTMS_GlobalMercator", 3857, -20037508.34, 20037508.34, 2, 2, 256,
71 : 256, 78271.516, 78271.516},
72 : };
73 :
74 : // Setting it above 30 would lead to integer overflow ((1 << 31) > INT_MAX)
75 : constexpr int MAX_ZOOM_LEVEL = 30;
76 :
77 : /************************************************************************/
78 : /* GetTilingScheme() */
79 : /************************************************************************/
80 :
81 : static std::unique_ptr<TilingSchemeDefinition>
82 582 : GetTilingScheme(const char *pszName)
83 : {
84 582 : if (EQUAL(pszName, "CUSTOM"))
85 454 : return nullptr;
86 :
87 256 : for (const auto &tilingScheme : asTilingSchemes)
88 : {
89 195 : if (EQUAL(pszName, tilingScheme.pszName))
90 : {
91 67 : return std::make_unique<TilingSchemeDefinition>(tilingScheme);
92 : }
93 : }
94 :
95 61 : if (EQUAL(pszName, "PseudoTMS_GlobalGeodetic"))
96 6 : pszName = "InspireCRS84Quad";
97 :
98 122 : auto poTM = gdal::TileMatrixSet::parse(pszName);
99 61 : if (poTM == nullptr)
100 1 : return nullptr;
101 60 : if (!poTM->haveAllLevelsSameTopLeft())
102 : {
103 0 : CPLError(CE_Failure, CPLE_NotSupported,
104 : "Unsupported tiling scheme: not all zoom levels have same top "
105 : "left corner");
106 0 : return nullptr;
107 : }
108 60 : if (!poTM->haveAllLevelsSameTileSize())
109 : {
110 0 : CPLError(CE_Failure, CPLE_NotSupported,
111 : "Unsupported tiling scheme: not all zoom levels have same "
112 : "tile size");
113 0 : return nullptr;
114 : }
115 60 : if (!poTM->hasOnlyPowerOfTwoVaryingScales())
116 : {
117 1 : CPLError(CE_Failure, CPLE_NotSupported,
118 : "Unsupported tiling scheme: resolution of consecutive zoom "
119 : "levels is not always 2");
120 1 : return nullptr;
121 : }
122 59 : if (poTM->hasVariableMatrixWidth())
123 : {
124 0 : CPLError(CE_Failure, CPLE_NotSupported,
125 : "Unsupported tiling scheme: some levels have variable matrix "
126 : "width");
127 0 : return nullptr;
128 : }
129 118 : auto poTilingScheme = std::make_unique<TilingSchemeDefinition>();
130 59 : poTilingScheme->pszName = pszName;
131 :
132 118 : OGRSpatialReference oSRS;
133 59 : if (oSRS.SetFromUserInput(poTM->crs().c_str()) != OGRERR_NONE)
134 : {
135 0 : return nullptr;
136 : }
137 59 : if (poTM->crs() == "http://www.opengis.net/def/crs/OGC/1.3/CRS84")
138 : {
139 6 : poTilingScheme->nEPSGCode = 4326;
140 : }
141 : else
142 : {
143 53 : const char *pszAuthName = oSRS.GetAuthorityName();
144 53 : const char *pszAuthCode = oSRS.GetAuthorityCode();
145 53 : if (pszAuthName == nullptr || !EQUAL(pszAuthName, "EPSG") ||
146 : pszAuthCode == nullptr)
147 : {
148 0 : CPLError(CE_Failure, CPLE_NotSupported,
149 : "Unsupported tiling scheme: only EPSG CRS supported");
150 0 : return nullptr;
151 : }
152 53 : poTilingScheme->nEPSGCode = atoi(pszAuthCode);
153 : }
154 59 : const auto &zoomLevel0 = poTM->tileMatrixList()[0];
155 59 : poTilingScheme->dfMinX = zoomLevel0.mTopLeftX;
156 59 : poTilingScheme->dfMaxY = zoomLevel0.mTopLeftY;
157 59 : poTilingScheme->nTileXCountZoomLevel0 = zoomLevel0.mMatrixWidth;
158 59 : poTilingScheme->nTileYCountZoomLevel0 = zoomLevel0.mMatrixHeight;
159 59 : poTilingScheme->nTileWidth = zoomLevel0.mTileWidth;
160 59 : poTilingScheme->nTileHeight = zoomLevel0.mTileHeight;
161 59 : poTilingScheme->dfPixelXSizeZoomLevel0 = zoomLevel0.mResX;
162 59 : poTilingScheme->dfPixelYSizeZoomLevel0 = zoomLevel0.mResY;
163 :
164 118 : const bool bInvertAxis = oSRS.EPSGTreatsAsLatLong() != FALSE ||
165 59 : oSRS.EPSGTreatsAsNorthingEasting() != FALSE;
166 59 : if (bInvertAxis)
167 : {
168 6 : std::swap(poTilingScheme->dfMinX, poTilingScheme->dfMaxY);
169 6 : std::swap(poTilingScheme->dfPixelXSizeZoomLevel0,
170 6 : poTilingScheme->dfPixelYSizeZoomLevel0);
171 : }
172 59 : return poTilingScheme;
173 : }
174 :
175 : static const char *pszCREATE_GPKG_GEOMETRY_COLUMNS =
176 : "CREATE TABLE gpkg_geometry_columns ("
177 : "table_name TEXT NOT NULL,"
178 : "column_name TEXT NOT NULL,"
179 : "geometry_type_name TEXT NOT NULL,"
180 : "srs_id INTEGER NOT NULL,"
181 : "z TINYINT NOT NULL,"
182 : "m TINYINT NOT NULL,"
183 : "CONSTRAINT pk_geom_cols PRIMARY KEY (table_name, column_name),"
184 : "CONSTRAINT uk_gc_table_name UNIQUE (table_name),"
185 : "CONSTRAINT fk_gc_tn FOREIGN KEY (table_name) REFERENCES "
186 : "gpkg_contents(table_name),"
187 : "CONSTRAINT fk_gc_srs FOREIGN KEY (srs_id) REFERENCES gpkg_spatial_ref_sys "
188 : "(srs_id)"
189 : ")";
190 :
191 1057 : OGRErr GDALGeoPackageDataset::SetApplicationAndUserVersionId()
192 : {
193 1057 : CPLAssert(hDB != nullptr);
194 :
195 1057 : const CPLString osPragma(CPLString().Printf("PRAGMA application_id = %u;"
196 : "PRAGMA user_version = %u",
197 : m_nApplicationId,
198 2114 : m_nUserVersion));
199 2114 : return SQLCommand(hDB, osPragma.c_str());
200 : }
201 :
202 2840 : bool GDALGeoPackageDataset::CloseDB()
203 : {
204 2840 : OGRSQLiteUnregisterSQLFunctions(m_pSQLFunctionData);
205 2840 : m_pSQLFunctionData = nullptr;
206 2840 : return OGRSQLiteBaseDataSource::CloseDB();
207 : }
208 :
209 11 : bool GDALGeoPackageDataset::ReOpenDB()
210 : {
211 11 : CPLAssert(hDB != nullptr);
212 11 : CPLAssert(m_pszFilename != nullptr);
213 :
214 11 : FinishSpatialite();
215 :
216 11 : CloseDB();
217 :
218 : /* And re-open the file */
219 11 : return OpenOrCreateDB(SQLITE_OPEN_READWRITE);
220 : }
221 :
222 971 : static OGRErr GDALGPKGImportFromEPSG(OGRSpatialReference *poSpatialRef,
223 : int nEPSGCode)
224 : {
225 971 : CPLPushErrorHandler(CPLQuietErrorHandler);
226 971 : const OGRErr eErr = poSpatialRef->importFromEPSG(nEPSGCode);
227 971 : CPLPopErrorHandler();
228 971 : CPLErrorReset();
229 971 : return eErr;
230 : }
231 :
232 : OGRSpatialReferenceRefCountedPtr
233 1389 : GDALGeoPackageDataset::GetSpatialRef(int iSrsId, bool bFallbackToEPSG,
234 : bool bEmitErrorIfNotFound)
235 : {
236 1389 : const auto oIter = m_oMapSrsIdToSrs.find(iSrsId);
237 1389 : if (oIter != m_oMapSrsIdToSrs.end())
238 : {
239 103 : return oIter->second;
240 : }
241 :
242 1286 : if (iSrsId == 0 || iSrsId == -1)
243 : {
244 121 : auto poSpatialRef = OGRSpatialReferenceRefCountedPtr::makeInstance();
245 121 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
246 :
247 : // See corresponding tests in GDALGeoPackageDataset::GetSrsId
248 121 : if (iSrsId == 0)
249 : {
250 31 : poSpatialRef->SetGeogCS("Undefined geographic SRS", "unknown",
251 : "unknown", SRS_WGS84_SEMIMAJOR,
252 : SRS_WGS84_INVFLATTENING);
253 : }
254 90 : else if (iSrsId == -1)
255 : {
256 90 : poSpatialRef->SetLocalCS("Undefined Cartesian SRS");
257 90 : poSpatialRef->SetLinearUnits(SRS_UL_METER, 1.0);
258 : }
259 :
260 242 : return m_oMapSrsIdToSrs.insert({iSrsId, std::move(poSpatialRef)})
261 121 : .first->second;
262 : }
263 :
264 2330 : CPLString oSQL;
265 1165 : oSQL.Printf("SELECT srs_name, definition, organization, "
266 : "organization_coordsys_id%s%s "
267 : "FROM gpkg_spatial_ref_sys WHERE "
268 : "srs_id = %d LIMIT 2",
269 1165 : m_bHasDefinition12_063 ? ", definition_12_063" : "",
270 1165 : m_bHasEpochColumn ? ", epoch" : "", iSrsId);
271 :
272 2330 : auto oResult = SQLQuery(hDB, oSQL.c_str());
273 :
274 1165 : if (!oResult || oResult->RowCount() != 1)
275 : {
276 12 : if (bFallbackToEPSG)
277 : {
278 7 : CPLDebug("GPKG",
279 : "unable to read srs_id '%d' from gpkg_spatial_ref_sys",
280 : iSrsId);
281 7 : auto poSRS = OGRSpatialReferenceRefCountedPtr::makeInstance();
282 7 : if (poSRS->importFromEPSG(iSrsId) == OGRERR_NONE)
283 : {
284 5 : poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
285 5 : return poSRS;
286 : }
287 : }
288 5 : else if (bEmitErrorIfNotFound)
289 : {
290 2 : CPLError(CE_Warning, CPLE_AppDefined,
291 : "unable to read srs_id '%d' from gpkg_spatial_ref_sys",
292 : iSrsId);
293 2 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
294 : }
295 7 : return nullptr;
296 : }
297 :
298 1153 : const char *pszName = oResult->GetValue(0, 0);
299 1153 : if (pszName && EQUAL(pszName, "Undefined SRS"))
300 : {
301 461 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
302 461 : return nullptr;
303 : }
304 692 : const char *pszWkt = oResult->GetValue(1, 0);
305 692 : if (pszWkt == nullptr)
306 0 : return nullptr;
307 692 : const char *pszOrganization = oResult->GetValue(2, 0);
308 692 : const char *pszOrganizationCoordsysID = oResult->GetValue(3, 0);
309 : const char *pszWkt2 =
310 692 : m_bHasDefinition12_063 ? oResult->GetValue(4, 0) : nullptr;
311 692 : if (pszWkt2 && !EQUAL(pszWkt2, "undefined"))
312 76 : pszWkt = pszWkt2;
313 : const char *pszCoordinateEpoch =
314 692 : m_bHasEpochColumn ? oResult->GetValue(5, 0) : nullptr;
315 : const double dfCoordinateEpoch =
316 692 : pszCoordinateEpoch ? CPLAtof(pszCoordinateEpoch) : 0.0;
317 :
318 1384 : auto poSpatialRef = OGRSpatialReferenceRefCountedPtr::makeInstance();
319 692 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
320 : // Try to import first from EPSG code, and then from WKT
321 692 : if (!(pszOrganization && pszOrganizationCoordsysID &&
322 692 : EQUAL(pszOrganization, "EPSG") &&
323 668 : (atoi(pszOrganizationCoordsysID) == iSrsId ||
324 4 : (dfCoordinateEpoch > 0 && strstr(pszWkt, "DYNAMIC[") == nullptr)) &&
325 668 : GDALGPKGImportFromEPSG(poSpatialRef.get(),
326 : atoi(pszOrganizationCoordsysID)) ==
327 1384 : OGRERR_NONE) &&
328 24 : poSpatialRef->importFromWkt(pszWkt) != OGRERR_NONE)
329 : {
330 0 : CPLError(CE_Warning, CPLE_AppDefined,
331 : "Unable to parse srs_id '%d' well-known text '%s'", iSrsId,
332 : pszWkt);
333 0 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
334 0 : return nullptr;
335 : }
336 :
337 692 : poSpatialRef->StripTOWGS84IfKnownDatumAndAllowed();
338 692 : poSpatialRef->SetCoordinateEpoch(dfCoordinateEpoch);
339 1384 : return m_oMapSrsIdToSrs.insert({iSrsId, std::move(poSpatialRef)})
340 692 : .first->second;
341 : }
342 :
343 334 : const char *GDALGeoPackageDataset::GetSrsName(const OGRSpatialReference &oSRS)
344 : {
345 334 : const char *pszName = oSRS.GetName();
346 334 : if (pszName)
347 334 : return pszName;
348 :
349 : // Something odd. Return empty.
350 0 : return "Unnamed SRS";
351 : }
352 :
353 : /* Add the definition_12_063 column to an existing gpkg_spatial_ref_sys table */
354 7 : bool GDALGeoPackageDataset::ConvertGpkgSpatialRefSysToExtensionWkt2(
355 : bool bForceEpoch)
356 : {
357 7 : const bool bAddEpoch = (m_nUserVersion >= GPKG_1_4_VERSION || bForceEpoch);
358 : auto oResultTable = SQLQuery(
359 : hDB, "SELECT srs_name, srs_id, organization, organization_coordsys_id, "
360 14 : "definition, description FROM gpkg_spatial_ref_sys LIMIT 100000");
361 7 : if (!oResultTable)
362 0 : return false;
363 :
364 : // Temporary remove foreign key checks
365 : const GPKGTemporaryForeignKeyCheckDisabler
366 7 : oGPKGTemporaryForeignKeyCheckDisabler(this);
367 :
368 7 : bool bRet = SoftStartTransaction() == OGRERR_NONE;
369 :
370 7 : if (bRet)
371 : {
372 : std::string osSQL("CREATE TABLE gpkg_spatial_ref_sys_temp ("
373 : "srs_name TEXT NOT NULL,"
374 : "srs_id INTEGER NOT NULL PRIMARY KEY,"
375 : "organization TEXT NOT NULL,"
376 : "organization_coordsys_id INTEGER NOT NULL,"
377 : "definition TEXT NOT NULL,"
378 : "description TEXT, "
379 7 : "definition_12_063 TEXT NOT NULL");
380 7 : if (bAddEpoch)
381 6 : osSQL += ", epoch DOUBLE";
382 7 : osSQL += ")";
383 7 : bRet = SQLCommand(hDB, osSQL.c_str()) == OGRERR_NONE;
384 : }
385 :
386 7 : if (bRet)
387 : {
388 32 : for (int i = 0; bRet && i < oResultTable->RowCount(); i++)
389 : {
390 25 : const char *pszSrsName = oResultTable->GetValue(0, i);
391 25 : const char *pszSrsId = oResultTable->GetValue(1, i);
392 25 : const char *pszOrganization = oResultTable->GetValue(2, i);
393 : const char *pszOrganizationCoordsysID =
394 25 : oResultTable->GetValue(3, i);
395 25 : const char *pszDefinition = oResultTable->GetValue(4, i);
396 : if (pszSrsName == nullptr || pszSrsId == nullptr ||
397 : pszOrganization == nullptr ||
398 : pszOrganizationCoordsysID == nullptr)
399 : {
400 : // should not happen as there are NOT NULL constraints
401 : // But a database could lack such NOT NULL constraints or have
402 : // large values that would cause a memory allocation failure.
403 : }
404 25 : const char *pszDescription = oResultTable->GetValue(5, i);
405 : char *pszSQL;
406 :
407 50 : OGRSpatialReference oSRS;
408 25 : if (pszOrganization && pszOrganizationCoordsysID &&
409 25 : EQUAL(pszOrganization, "EPSG"))
410 : {
411 9 : oSRS.importFromEPSG(atoi(pszOrganizationCoordsysID));
412 : }
413 34 : if (!oSRS.IsEmpty() && pszDefinition &&
414 9 : !EQUAL(pszDefinition, "undefined"))
415 : {
416 9 : oSRS.SetFromUserInput(pszDefinition);
417 : }
418 25 : char *pszWKT2 = nullptr;
419 25 : if (!oSRS.IsEmpty())
420 : {
421 9 : const char *const apszOptionsWkt2[] = {"FORMAT=WKT2_2015",
422 : nullptr};
423 9 : oSRS.exportToWkt(&pszWKT2, apszOptionsWkt2);
424 9 : if (pszWKT2 && pszWKT2[0] == '\0')
425 : {
426 0 : CPLFree(pszWKT2);
427 0 : pszWKT2 = nullptr;
428 : }
429 : }
430 25 : if (pszWKT2 == nullptr)
431 : {
432 16 : pszWKT2 = CPLStrdup("undefined");
433 : }
434 :
435 25 : if (pszDescription)
436 : {
437 22 : pszSQL = sqlite3_mprintf(
438 : "INSERT INTO gpkg_spatial_ref_sys_temp(srs_name, srs_id, "
439 : "organization, organization_coordsys_id, definition, "
440 : "description, definition_12_063) VALUES ('%q', '%q', '%q', "
441 : "'%q', '%q', '%q', '%q')",
442 : pszSrsName, pszSrsId, pszOrganization,
443 : pszOrganizationCoordsysID, pszDefinition, pszDescription,
444 : pszWKT2);
445 : }
446 : else
447 : {
448 3 : pszSQL = sqlite3_mprintf(
449 : "INSERT INTO gpkg_spatial_ref_sys_temp(srs_name, srs_id, "
450 : "organization, organization_coordsys_id, definition, "
451 : "description, definition_12_063) VALUES ('%q', '%q', '%q', "
452 : "'%q', '%q', NULL, '%q')",
453 : pszSrsName, pszSrsId, pszOrganization,
454 : pszOrganizationCoordsysID, pszDefinition, pszWKT2);
455 : }
456 :
457 25 : CPLFree(pszWKT2);
458 25 : bRet &= SQLCommand(hDB, pszSQL) == OGRERR_NONE;
459 25 : sqlite3_free(pszSQL);
460 : }
461 : }
462 :
463 7 : if (bRet)
464 : {
465 7 : bRet =
466 7 : SQLCommand(hDB, "DROP TABLE gpkg_spatial_ref_sys") == OGRERR_NONE;
467 : }
468 7 : if (bRet)
469 : {
470 7 : bRet = SQLCommand(hDB, "ALTER TABLE gpkg_spatial_ref_sys_temp RENAME "
471 : "TO gpkg_spatial_ref_sys") == OGRERR_NONE;
472 : }
473 7 : if (bRet)
474 : {
475 14 : bRet = OGRERR_NONE == CreateExtensionsTableIfNecessary() &&
476 7 : OGRERR_NONE == SQLCommand(hDB,
477 : "INSERT INTO gpkg_extensions "
478 : "(table_name, column_name, "
479 : "extension_name, definition, scope) "
480 : "VALUES "
481 : "('gpkg_spatial_ref_sys', "
482 : "'definition_12_063', 'gpkg_crs_wkt', "
483 : "'http://www.geopackage.org/spec120/"
484 : "#extension_crs_wkt', 'read-write')");
485 : }
486 7 : if (bRet && bAddEpoch)
487 : {
488 6 : bRet =
489 : OGRERR_NONE ==
490 6 : SQLCommand(hDB, "UPDATE gpkg_extensions SET extension_name = "
491 : "'gpkg_crs_wkt_1_1' "
492 12 : "WHERE extension_name = 'gpkg_crs_wkt'") &&
493 : OGRERR_NONE ==
494 6 : SQLCommand(
495 : hDB,
496 : "INSERT INTO gpkg_extensions "
497 : "(table_name, column_name, extension_name, definition, "
498 : "scope) "
499 : "VALUES "
500 : "('gpkg_spatial_ref_sys', 'epoch', 'gpkg_crs_wkt_1_1', "
501 : "'http://www.geopackage.org/spec/#extension_crs_wkt', "
502 : "'read-write')");
503 : }
504 7 : if (bRet)
505 : {
506 7 : SoftCommitTransaction();
507 7 : m_bHasDefinition12_063 = true;
508 7 : if (bAddEpoch)
509 6 : m_bHasEpochColumn = true;
510 : }
511 : else
512 : {
513 0 : SoftRollbackTransaction();
514 : }
515 :
516 7 : return bRet;
517 : }
518 :
519 1034 : int GDALGeoPackageDataset::GetSrsId(const OGRSpatialReference *poSRSIn)
520 : {
521 1034 : const char *pszName = poSRSIn ? poSRSIn->GetName() : nullptr;
522 1521 : if (!poSRSIn || poSRSIn->IsEmpty() ||
523 487 : (pszName && EQUAL(pszName, "Undefined SRS")))
524 : {
525 549 : OGRErr err = OGRERR_NONE;
526 549 : const int nSRSId = SQLGetInteger(
527 : hDB,
528 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE srs_name = "
529 : "'Undefined SRS' AND organization = 'GDAL'",
530 : &err);
531 549 : if (err == OGRERR_NONE)
532 60 : return nSRSId;
533 :
534 : // The below WKT definitions are somehow questionable (using a unknown
535 : // unit). For GDAL >= 3.9, they won't be used. They will only be used
536 : // for earlier versions.
537 : const char *pszSQL;
538 : #define UNDEFINED_CRS_SRS_ID 99999
539 : static_assert(UNDEFINED_CRS_SRS_ID == FIRST_CUSTOM_SRSID - 1);
540 : #define STRINGIFY(x) #x
541 : #define XSTRINGIFY(x) STRINGIFY(x)
542 489 : if (m_bHasDefinition12_063)
543 : {
544 : /* clang-format off */
545 1 : pszSQL =
546 : "INSERT INTO gpkg_spatial_ref_sys "
547 : "(srs_name,srs_id,organization,organization_coordsys_id,"
548 : "definition, definition_12_063, description) VALUES "
549 : "('Undefined SRS'," XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ",'GDAL',"
550 : XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ","
551 : "'LOCAL_CS[\"Undefined SRS\",LOCAL_DATUM[\"unknown\",32767],"
552 : "UNIT[\"unknown\",0],AXIS[\"Easting\",EAST],"
553 : "AXIS[\"Northing\",NORTH]]',"
554 : "'ENGCRS[\"Undefined SRS\",EDATUM[\"unknown\"],CS[Cartesian,2],"
555 : "AXIS[\"easting\",east,ORDER[1],LENGTHUNIT[\"unknown\",0]],"
556 : "AXIS[\"northing\",north,ORDER[2],LENGTHUNIT[\"unknown\",0]]]',"
557 : "'Custom undefined coordinate reference system')";
558 : /* clang-format on */
559 : }
560 : else
561 : {
562 : /* clang-format off */
563 488 : pszSQL =
564 : "INSERT INTO gpkg_spatial_ref_sys "
565 : "(srs_name,srs_id,organization,organization_coordsys_id,"
566 : "definition, description) VALUES "
567 : "('Undefined SRS'," XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ",'GDAL',"
568 : XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ","
569 : "'LOCAL_CS[\"Undefined SRS\",LOCAL_DATUM[\"unknown\",32767],"
570 : "UNIT[\"unknown\",0],AXIS[\"Easting\",EAST],"
571 : "AXIS[\"Northing\",NORTH]]',"
572 : "'Custom undefined coordinate reference system')";
573 : /* clang-format on */
574 : }
575 489 : if (SQLCommand(hDB, pszSQL) == OGRERR_NONE)
576 489 : return UNDEFINED_CRS_SRS_ID;
577 : #undef UNDEFINED_CRS_SRS_ID
578 : #undef XSTRINGIFY
579 : #undef STRINGIFY
580 0 : return -1;
581 : }
582 :
583 970 : auto poSRS = OGRSpatialReferenceRefCountedPtr::makeClone(poSRSIn);
584 485 : if (poSRS->IsGeographic() || poSRS->IsLocal())
585 : {
586 : // See corresponding tests in GDALGeoPackageDataset::GetSpatialRef
587 169 : if (pszName != nullptr && strlen(pszName) > 0)
588 : {
589 169 : if (EQUAL(pszName, "Undefined geographic SRS"))
590 2 : return 0;
591 :
592 167 : if (EQUAL(pszName, "Undefined Cartesian SRS"))
593 1 : return -1;
594 : }
595 : }
596 :
597 482 : const char *pszAuthorityName = poSRS->GetAuthorityName();
598 :
599 482 : if (pszAuthorityName == nullptr || strlen(pszAuthorityName) == 0)
600 : {
601 : // Try to force identify an EPSG code.
602 28 : poSRS->AutoIdentifyEPSG();
603 :
604 28 : pszAuthorityName = poSRS->GetAuthorityName();
605 28 : if (pszAuthorityName != nullptr && EQUAL(pszAuthorityName, "EPSG"))
606 : {
607 0 : const char *pszAuthorityCode = poSRS->GetAuthorityCode();
608 0 : if (pszAuthorityCode != nullptr && strlen(pszAuthorityCode) > 0)
609 : {
610 : /* Import 'clean' SRS */
611 0 : poSRS->importFromEPSG(atoi(pszAuthorityCode));
612 :
613 0 : pszAuthorityName = poSRS->GetAuthorityName();
614 : }
615 : }
616 :
617 28 : poSRS->SetCoordinateEpoch(poSRSIn->GetCoordinateEpoch());
618 : }
619 :
620 : // Check whether the EPSG authority code is already mapped to a
621 : // SRS ID.
622 482 : char *pszSQL = nullptr;
623 482 : int nSRSId = DEFAULT_SRID;
624 482 : int nAuthorityCode = 0;
625 482 : OGRErr err = OGRERR_NONE;
626 482 : bool bCanUseAuthorityCode = false;
627 482 : const char *const apszIsSameOptions[] = {
628 : "IGNORE_DATA_AXIS_TO_SRS_AXIS_MAPPING=YES",
629 : "IGNORE_COORDINATE_EPOCH=YES", nullptr};
630 482 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0)
631 : {
632 454 : const char *pszAuthorityCode = poSRS->GetAuthorityCode();
633 454 : if (pszAuthorityCode)
634 : {
635 454 : if (CPLGetValueType(pszAuthorityCode) == CPL_VALUE_INTEGER)
636 : {
637 454 : nAuthorityCode = atoi(pszAuthorityCode);
638 : }
639 : else
640 : {
641 0 : CPLDebug("GPKG",
642 : "SRS has %s:%s identification, but the code not "
643 : "being an integer value cannot be stored as such "
644 : "in the database.",
645 : pszAuthorityName, pszAuthorityCode);
646 0 : pszAuthorityName = nullptr;
647 : }
648 : }
649 : }
650 :
651 936 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
652 454 : poSRSIn->GetCoordinateEpoch() == 0)
653 : {
654 : pszSQL =
655 449 : sqlite3_mprintf("SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
656 : "upper(organization) = upper('%q') AND "
657 : "organization_coordsys_id = %d",
658 : pszAuthorityName, nAuthorityCode);
659 :
660 449 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
661 449 : sqlite3_free(pszSQL);
662 :
663 : // Got a match? Return it!
664 449 : if (OGRERR_NONE == err)
665 : {
666 144 : auto poRefSRS = GetSpatialRef(nSRSId);
667 : bool bOK =
668 144 : (poRefSRS == nullptr ||
669 145 : poSRS->IsSame(poRefSRS.get(), apszIsSameOptions) ||
670 1 : !CPLTestBool(CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")));
671 144 : if (bOK)
672 : {
673 143 : return nSRSId;
674 : }
675 : else
676 : {
677 1 : CPLError(CE_Warning, CPLE_AppDefined,
678 : "Passed SRS uses %s:%d identification, but its "
679 : "definition is not compatible with the "
680 : "definition of that object already in the database. "
681 : "Registering it as a new entry into the database.",
682 : pszAuthorityName, nAuthorityCode);
683 1 : pszAuthorityName = nullptr;
684 1 : nAuthorityCode = 0;
685 : }
686 : }
687 : }
688 :
689 : // Translate SRS to WKT.
690 339 : CPLCharUniquePtr pszWKT1;
691 339 : CPLCharUniquePtr pszWKT2_2015;
692 339 : CPLCharUniquePtr pszWKT2_2019;
693 339 : const char *const apszOptionsWkt1[] = {"FORMAT=WKT1_GDAL", nullptr};
694 339 : const char *const apszOptionsWkt2_2015[] = {"FORMAT=WKT2_2015", nullptr};
695 339 : const char *const apszOptionsWkt2_2019[] = {"FORMAT=WKT2_2019", nullptr};
696 :
697 678 : std::string osEpochTest;
698 339 : if (poSRSIn->GetCoordinateEpoch() > 0 && m_bHasEpochColumn)
699 : {
700 : osEpochTest =
701 3 : CPLSPrintf(" AND epoch = %.17g", poSRSIn->GetCoordinateEpoch());
702 : }
703 :
704 669 : if (!(poSRS->IsGeographic() && poSRS->GetAxesCount() == 3) &&
705 330 : !poSRS->IsDerivedGeographic())
706 : {
707 660 : CPLErrorStateBackuper oBackuper(CPLQuietErrorHandler);
708 330 : char *pszTmp = nullptr;
709 330 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt1);
710 330 : pszWKT1.reset(pszTmp);
711 330 : if (pszWKT1 && pszWKT1.get()[0] == '\0')
712 : {
713 0 : pszWKT1.reset();
714 : }
715 : }
716 : {
717 678 : CPLErrorStateBackuper oBackuper(CPLQuietErrorHandler);
718 339 : char *pszTmp = nullptr;
719 339 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2015);
720 339 : pszWKT2_2015.reset(pszTmp);
721 339 : if (pszWKT2_2015 && pszWKT2_2015.get()[0] == '\0')
722 : {
723 0 : pszWKT2_2015.reset();
724 : }
725 : }
726 : {
727 339 : char *pszTmp = nullptr;
728 339 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2019);
729 339 : pszWKT2_2019.reset(pszTmp);
730 339 : if (pszWKT2_2019 && pszWKT2_2019.get()[0] == '\0')
731 : {
732 0 : pszWKT2_2019.reset();
733 : }
734 : }
735 :
736 339 : if (!pszWKT1 && !pszWKT2_2015 && !pszWKT2_2019)
737 : {
738 0 : return DEFAULT_SRID;
739 : }
740 :
741 339 : if (poSRSIn->GetCoordinateEpoch() == 0 || m_bHasEpochColumn)
742 : {
743 : // Search if there is already an existing entry with this WKT
744 336 : if (m_bHasDefinition12_063 && (pszWKT2_2015 || pszWKT2_2019))
745 : {
746 42 : if (pszWKT1)
747 : {
748 144 : pszSQL = sqlite3_mprintf(
749 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
750 : "(definition = '%q' OR definition_12_063 IN ('%q','%q'))%s",
751 : pszWKT1.get(),
752 72 : pszWKT2_2015 ? pszWKT2_2015.get() : "invalid",
753 72 : pszWKT2_2019 ? pszWKT2_2019.get() : "invalid",
754 : osEpochTest.c_str());
755 : }
756 : else
757 : {
758 24 : pszSQL = sqlite3_mprintf(
759 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
760 : "definition_12_063 IN ('%q', '%q')%s",
761 12 : pszWKT2_2015 ? pszWKT2_2015.get() : "invalid",
762 12 : pszWKT2_2019 ? pszWKT2_2019.get() : "invalid",
763 : osEpochTest.c_str());
764 : }
765 : }
766 294 : else if (pszWKT1)
767 : {
768 : pszSQL =
769 291 : sqlite3_mprintf("SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
770 : "definition = '%q'%s",
771 : pszWKT1.get(), osEpochTest.c_str());
772 : }
773 : else
774 : {
775 3 : pszSQL = nullptr;
776 : }
777 336 : if (pszSQL)
778 : {
779 333 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
780 333 : sqlite3_free(pszSQL);
781 333 : if (OGRERR_NONE == err)
782 : {
783 5 : return nSRSId;
784 : }
785 : }
786 : }
787 :
788 642 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
789 308 : poSRSIn->GetCoordinateEpoch() == 0)
790 : {
791 304 : bool bTryToReuseSRSId = true;
792 304 : if (EQUAL(pszAuthorityName, "EPSG"))
793 : {
794 606 : OGRSpatialReference oSRS_EPSG;
795 303 : if (GDALGPKGImportFromEPSG(&oSRS_EPSG, nAuthorityCode) ==
796 : OGRERR_NONE)
797 : {
798 304 : if (!poSRS->IsSame(&oSRS_EPSG, apszIsSameOptions) &&
799 1 : CPLTestBool(
800 : CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")))
801 : {
802 1 : bTryToReuseSRSId = false;
803 1 : CPLError(
804 : CE_Warning, CPLE_AppDefined,
805 : "Passed SRS uses %s:%d identification, but its "
806 : "definition is not compatible with the "
807 : "official definition of the object. "
808 : "Registering it as a non-%s entry into the database.",
809 : pszAuthorityName, nAuthorityCode, pszAuthorityName);
810 1 : pszAuthorityName = nullptr;
811 1 : nAuthorityCode = 0;
812 : }
813 : }
814 : }
815 304 : if (bTryToReuseSRSId)
816 : {
817 : // No match, but maybe we can use the nAuthorityCode as the nSRSId?
818 303 : pszSQL = sqlite3_mprintf(
819 : "SELECT Count(*) FROM gpkg_spatial_ref_sys WHERE "
820 : "srs_id = %d",
821 : nAuthorityCode);
822 :
823 : // Yep, we can!
824 303 : if (SQLGetInteger(hDB, pszSQL, nullptr) == 0)
825 302 : bCanUseAuthorityCode = true;
826 303 : sqlite3_free(pszSQL);
827 : }
828 : }
829 :
830 334 : bool bConvertGpkgSpatialRefSysToExtensionWkt2 = false;
831 334 : bool bForceEpoch = false;
832 337 : if (!m_bHasDefinition12_063 && pszWKT1 == nullptr &&
833 3 : (pszWKT2_2015 != nullptr || pszWKT2_2019 != nullptr))
834 : {
835 3 : bConvertGpkgSpatialRefSysToExtensionWkt2 = true;
836 : }
837 :
838 : // Add epoch column if needed
839 334 : if (poSRSIn->GetCoordinateEpoch() > 0 && !m_bHasEpochColumn)
840 : {
841 3 : if (m_bHasDefinition12_063)
842 : {
843 0 : if (SoftStartTransaction() != OGRERR_NONE)
844 0 : return DEFAULT_SRID;
845 0 : if (SQLCommand(hDB, "ALTER TABLE gpkg_spatial_ref_sys "
846 0 : "ADD COLUMN epoch DOUBLE") != OGRERR_NONE ||
847 0 : SQLCommand(hDB, "UPDATE gpkg_extensions SET extension_name = "
848 : "'gpkg_crs_wkt_1_1' "
849 : "WHERE extension_name = 'gpkg_crs_wkt'") !=
850 0 : OGRERR_NONE ||
851 0 : SQLCommand(
852 : hDB,
853 : "INSERT INTO gpkg_extensions "
854 : "(table_name, column_name, extension_name, definition, "
855 : "scope) "
856 : "VALUES "
857 : "('gpkg_spatial_ref_sys', 'epoch', 'gpkg_crs_wkt_1_1', "
858 : "'http://www.geopackage.org/spec/#extension_crs_wkt', "
859 : "'read-write')") != OGRERR_NONE)
860 : {
861 0 : SoftRollbackTransaction();
862 0 : return DEFAULT_SRID;
863 : }
864 :
865 0 : if (SoftCommitTransaction() != OGRERR_NONE)
866 0 : return DEFAULT_SRID;
867 :
868 0 : m_bHasEpochColumn = true;
869 : }
870 : else
871 : {
872 3 : bConvertGpkgSpatialRefSysToExtensionWkt2 = true;
873 3 : bForceEpoch = true;
874 : }
875 : }
876 :
877 340 : if (bConvertGpkgSpatialRefSysToExtensionWkt2 &&
878 6 : !ConvertGpkgSpatialRefSysToExtensionWkt2(bForceEpoch))
879 : {
880 0 : return DEFAULT_SRID;
881 : }
882 :
883 : // Reuse the authority code number as SRS_ID if we can
884 334 : if (bCanUseAuthorityCode)
885 : {
886 302 : nSRSId = nAuthorityCode;
887 : }
888 : // Otherwise, generate a new SRS_ID number (max + 1)
889 : else
890 : {
891 : // Get the current maximum srid in the srs table.
892 32 : const int nMaxSRSId = SQLGetInteger(
893 : hDB, "SELECT MAX(srs_id) FROM gpkg_spatial_ref_sys", nullptr);
894 32 : nSRSId = std::max(FIRST_CUSTOM_SRSID, nMaxSRSId + 1);
895 : }
896 :
897 668 : std::string osEpochColumn;
898 334 : std::string osEpochVal;
899 334 : if (poSRSIn->GetCoordinateEpoch() > 0)
900 : {
901 5 : osEpochColumn = ", epoch";
902 5 : osEpochVal = CPLSPrintf(", %.17g", poSRSIn->GetCoordinateEpoch());
903 : }
904 :
905 : // Add new SRS row to gpkg_spatial_ref_sys.
906 334 : if (m_bHasDefinition12_063)
907 : {
908 : // Force WKT2_2019 when we have a dynamic CRS and coordinate epoch
909 45 : const char *pszWKT2 = poSRSIn->IsDynamic() &&
910 10 : poSRSIn->GetCoordinateEpoch() > 0 &&
911 1 : pszWKT2_2019
912 1 : ? pszWKT2_2019.get()
913 44 : : pszWKT2_2015 ? pszWKT2_2015.get()
914 97 : : pszWKT2_2019.get();
915 :
916 45 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
917 : {
918 99 : pszSQL = sqlite3_mprintf(
919 : "INSERT INTO gpkg_spatial_ref_sys "
920 : "(srs_name,srs_id,organization,organization_coordsys_id,"
921 : "definition, definition_12_063%s) VALUES "
922 : "('%q', %d, upper('%q'), %d, '%q', '%q'%s)",
923 33 : osEpochColumn.c_str(), GetSrsName(*poSRS), nSRSId,
924 : pszAuthorityName, nAuthorityCode,
925 62 : pszWKT1 ? pszWKT1.get() : "undefined",
926 : pszWKT2 ? pszWKT2 : "undefined", osEpochVal.c_str());
927 : }
928 : else
929 : {
930 36 : pszSQL = sqlite3_mprintf(
931 : "INSERT INTO gpkg_spatial_ref_sys "
932 : "(srs_name,srs_id,organization,organization_coordsys_id,"
933 : "definition, definition_12_063%s) VALUES "
934 : "('%q', %d, upper('%q'), %d, '%q', '%q'%s)",
935 12 : osEpochColumn.c_str(), GetSrsName(*poSRS), nSRSId, "NONE",
936 21 : nSRSId, pszWKT1 ? pszWKT1.get() : "undefined",
937 : pszWKT2 ? pszWKT2 : "undefined", osEpochVal.c_str());
938 : }
939 : }
940 : else
941 : {
942 289 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
943 : {
944 548 : pszSQL = sqlite3_mprintf(
945 : "INSERT INTO gpkg_spatial_ref_sys "
946 : "(srs_name,srs_id,organization,organization_coordsys_id,"
947 : "definition) VALUES ('%q', %d, upper('%q'), %d, '%q')",
948 274 : GetSrsName(*poSRS), nSRSId, pszAuthorityName, nAuthorityCode,
949 548 : pszWKT1 ? pszWKT1.get() : "undefined");
950 : }
951 : else
952 : {
953 30 : pszSQL = sqlite3_mprintf(
954 : "INSERT INTO gpkg_spatial_ref_sys "
955 : "(srs_name,srs_id,organization,organization_coordsys_id,"
956 : "definition) VALUES ('%q', %d, upper('%q'), %d, '%q')",
957 15 : GetSrsName(*poSRS), nSRSId, "NONE", nSRSId,
958 30 : pszWKT1 ? pszWKT1.get() : "undefined");
959 : }
960 : }
961 :
962 : // Add new row to gpkg_spatial_ref_sys.
963 334 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
964 :
965 : // Free everything that was allocated.
966 334 : sqlite3_free(pszSQL);
967 :
968 334 : return nSRSId;
969 : }
970 :
971 : /************************************************************************/
972 : /* ~GDALGeoPackageDataset() */
973 : /************************************************************************/
974 :
975 5658 : GDALGeoPackageDataset::~GDALGeoPackageDataset()
976 : {
977 2829 : GDALGeoPackageDataset::Close();
978 5658 : }
979 :
980 : /************************************************************************/
981 : /* Close() */
982 : /************************************************************************/
983 :
984 4765 : CPLErr GDALGeoPackageDataset::Close(GDALProgressFunc, void *)
985 : {
986 4765 : CPLErr eErr = CE_None;
987 4765 : if (nOpenFlags != OPEN_FLAGS_CLOSED)
988 : {
989 1659 : if (eAccess == GA_Update && m_poParentDS == nullptr &&
990 4488 : !m_osRasterTable.empty() && !m_bGeoTransformValid)
991 : {
992 3 : CPLError(CE_Failure, CPLE_AppDefined,
993 : "Raster table %s not correctly initialized due to missing "
994 : "call to SetGeoTransform()",
995 : m_osRasterTable.c_str());
996 : }
997 :
998 5647 : if (!IsMarkedSuppressOnClose() &&
999 2818 : GDALGeoPackageDataset::FlushCache(true) != CE_None)
1000 : {
1001 7 : eErr = CE_Failure;
1002 : }
1003 :
1004 : // Destroy bands now since we don't want
1005 : // GDALGPKGMBTilesLikeRasterBand::FlushCache() to run after dataset
1006 : // destruction
1007 4674 : for (int i = 0; i < nBands; i++)
1008 1845 : delete papoBands[i];
1009 2829 : nBands = 0;
1010 2829 : CPLFree(papoBands);
1011 2829 : papoBands = nullptr;
1012 :
1013 : // Destroy overviews before cleaning m_hTempDB as they could still
1014 : // need it
1015 2829 : m_apoOverviewDS.clear();
1016 :
1017 2829 : if (m_poParentDS)
1018 : {
1019 330 : hDB = nullptr;
1020 : }
1021 :
1022 2829 : m_apoLayers.clear();
1023 :
1024 2829 : m_oMapSrsIdToSrs.clear();
1025 :
1026 2829 : if (!CloseDB())
1027 0 : eErr = CE_Failure;
1028 :
1029 2829 : if (OGRSQLiteBaseDataSource::Close() != CE_None)
1030 0 : eErr = CE_Failure;
1031 : }
1032 4765 : return eErr;
1033 : }
1034 :
1035 : /************************************************************************/
1036 : /* ICanIWriteBlock() */
1037 : /************************************************************************/
1038 :
1039 5697 : bool GDALGeoPackageDataset::ICanIWriteBlock()
1040 : {
1041 5697 : if (!GetUpdate())
1042 : {
1043 0 : CPLError(
1044 : CE_Failure, CPLE_NotSupported,
1045 : "IWriteBlock() not supported on dataset opened in read-only mode");
1046 0 : return false;
1047 : }
1048 :
1049 5697 : if (m_pabyCachedTiles == nullptr)
1050 : {
1051 0 : return false;
1052 : }
1053 :
1054 5697 : if (!m_bGeoTransformValid || m_nSRID == UNKNOWN_SRID)
1055 : {
1056 0 : CPLError(CE_Failure, CPLE_NotSupported,
1057 : "IWriteBlock() not supported if georeferencing not set");
1058 0 : return false;
1059 : }
1060 5697 : return true;
1061 : }
1062 :
1063 : /************************************************************************/
1064 : /* IRasterIO() */
1065 : /************************************************************************/
1066 :
1067 135 : CPLErr GDALGeoPackageDataset::IRasterIO(
1068 : GDALRWFlag eRWFlag, int nXOff, int nYOff, int nXSize, int nYSize,
1069 : void *pData, int nBufXSize, int nBufYSize, GDALDataType eBufType,
1070 : int nBandCount, BANDMAP_TYPE panBandMap, GSpacing nPixelSpace,
1071 : GSpacing nLineSpace, GSpacing nBandSpace, GDALRasterIOExtraArg *psExtraArg)
1072 :
1073 : {
1074 135 : CPLErr eErr = OGRSQLiteBaseDataSource::IRasterIO(
1075 : eRWFlag, nXOff, nYOff, nXSize, nYSize, pData, nBufXSize, nBufYSize,
1076 : eBufType, nBandCount, panBandMap, nPixelSpace, nLineSpace, nBandSpace,
1077 : psExtraArg);
1078 :
1079 : // If writing all bands, in non-shifted mode, flush all entirely written
1080 : // tiles This can avoid "stressing" the block cache with too many dirty
1081 : // blocks. Note: this logic would be useless with a per-dataset block cache.
1082 135 : if (eErr == CE_None && eRWFlag == GF_Write && nXSize == nBufXSize &&
1083 124 : nYSize == nBufYSize && nBandCount == nBands &&
1084 121 : m_nShiftXPixelsMod == 0 && m_nShiftYPixelsMod == 0)
1085 : {
1086 : auto poBand =
1087 117 : cpl::down_cast<GDALGPKGMBTilesLikeRasterBand *>(GetRasterBand(1));
1088 : int nBlockXSize, nBlockYSize;
1089 117 : poBand->GetBlockSize(&nBlockXSize, &nBlockYSize);
1090 117 : const int nBlockXStart = DIV_ROUND_UP(nXOff, nBlockXSize);
1091 117 : const int nBlockYStart = DIV_ROUND_UP(nYOff, nBlockYSize);
1092 117 : const int nBlockXEnd = (nXOff + nXSize) / nBlockXSize;
1093 117 : const int nBlockYEnd = (nYOff + nYSize) / nBlockYSize;
1094 271 : for (int nBlockY = nBlockXStart; nBlockY < nBlockYEnd; nBlockY++)
1095 : {
1096 4371 : for (int nBlockX = nBlockYStart; nBlockX < nBlockXEnd; nBlockX++)
1097 : {
1098 : GDALRasterBlock *poBlock =
1099 4217 : poBand->AccessibleTryGetLockedBlockRef(nBlockX, nBlockY);
1100 4217 : if (poBlock)
1101 : {
1102 : // GetDirty() should be true in most situation (otherwise
1103 : // it means the block cache is under extreme pressure!)
1104 4215 : if (poBlock->GetDirty())
1105 : {
1106 : // IWriteBlock() on one band will check the dirty state
1107 : // of the corresponding blocks in other bands, to decide
1108 : // if it can call WriteTile(), so we have only to do
1109 : // that on one of the bands
1110 4215 : if (poBlock->Write() != CE_None)
1111 250 : eErr = CE_Failure;
1112 : }
1113 4215 : poBlock->DropLock();
1114 : }
1115 : }
1116 : }
1117 : }
1118 :
1119 135 : return eErr;
1120 : }
1121 :
1122 : /************************************************************************/
1123 : /* GetOGRTableLimit() */
1124 : /************************************************************************/
1125 :
1126 4625 : static int GetOGRTableLimit()
1127 : {
1128 4625 : return atoi(CPLGetConfigOption("OGR_TABLE_LIMIT", "10000"));
1129 : }
1130 :
1131 : /************************************************************************/
1132 : /* GetNameTypeMapFromSQliteMaster() */
1133 : /************************************************************************/
1134 :
1135 : const std::map<CPLString, CPLString> &
1136 1446 : GDALGeoPackageDataset::GetNameTypeMapFromSQliteMaster()
1137 : {
1138 1446 : if (!m_oMapNameToType.empty())
1139 391 : return m_oMapNameToType;
1140 :
1141 : CPLString osSQL(
1142 : "SELECT name, type FROM sqlite_master WHERE "
1143 : "type IN ('view', 'table') OR "
1144 2110 : "(name LIKE 'trigger_%_feature_count_%' AND type = 'trigger')");
1145 1055 : const int nTableLimit = GetOGRTableLimit();
1146 1055 : if (nTableLimit > 0)
1147 : {
1148 1055 : osSQL += " LIMIT ";
1149 1055 : osSQL += CPLSPrintf("%d", 1 + 3 * nTableLimit);
1150 : }
1151 :
1152 1055 : auto oResult = SQLQuery(hDB, osSQL);
1153 1055 : if (oResult)
1154 : {
1155 17633 : for (int i = 0; i < oResult->RowCount(); i++)
1156 : {
1157 16578 : const char *pszName = oResult->GetValue(0, i);
1158 16578 : const char *pszType = oResult->GetValue(1, i);
1159 16578 : m_oMapNameToType[CPLString(pszName).toupper()] = pszType;
1160 : }
1161 : }
1162 :
1163 1055 : return m_oMapNameToType;
1164 : }
1165 :
1166 : /************************************************************************/
1167 : /* RemoveTableFromSQLiteMasterCache() */
1168 : /************************************************************************/
1169 :
1170 58 : void GDALGeoPackageDataset::RemoveTableFromSQLiteMasterCache(
1171 : const char *pszTableName)
1172 : {
1173 58 : m_oMapNameToType.erase(CPLString(pszTableName).toupper());
1174 58 : }
1175 :
1176 : /************************************************************************/
1177 : /* GetUnknownExtensionsTableSpecific() */
1178 : /************************************************************************/
1179 :
1180 : const std::map<CPLString, std::vector<GPKGExtensionDesc>> &
1181 1003 : GDALGeoPackageDataset::GetUnknownExtensionsTableSpecific()
1182 : {
1183 1003 : if (m_bMapTableToExtensionsBuilt)
1184 107 : return m_oMapTableToExtensions;
1185 896 : m_bMapTableToExtensionsBuilt = true;
1186 :
1187 896 : if (!HasExtensionsTable())
1188 52 : return m_oMapTableToExtensions;
1189 :
1190 : CPLString osSQL(
1191 : "SELECT table_name, extension_name, definition, scope "
1192 : "FROM gpkg_extensions WHERE "
1193 : "table_name IS NOT NULL "
1194 : "AND extension_name IS NOT NULL "
1195 : "AND definition IS NOT NULL "
1196 : "AND scope IS NOT NULL "
1197 : "AND extension_name NOT IN ('gpkg_geom_CIRCULARSTRING', "
1198 : "'gpkg_geom_COMPOUNDCURVE', 'gpkg_geom_CURVEPOLYGON', "
1199 : "'gpkg_geom_MULTICURVE', "
1200 : "'gpkg_geom_MULTISURFACE', 'gpkg_geom_CURVE', 'gpkg_geom_SURFACE', "
1201 : "'gpkg_geom_POLYHEDRALSURFACE', 'gpkg_geom_TIN', 'gpkg_geom_TRIANGLE', "
1202 : "'gpkg_rtree_index', 'gpkg_geometry_type_trigger', "
1203 : "'gpkg_srs_id_trigger', "
1204 : "'gpkg_crs_wkt', 'gpkg_crs_wkt_1_1', 'gpkg_schema', "
1205 : "'gpkg_related_tables', 'related_tables'"
1206 : #ifdef HAVE_SPATIALITE
1207 : ", 'gdal_spatialite_computed_geom_column'"
1208 : #endif
1209 1688 : ")");
1210 844 : const int nTableLimit = GetOGRTableLimit();
1211 844 : if (nTableLimit > 0)
1212 : {
1213 844 : osSQL += " LIMIT ";
1214 844 : osSQL += CPLSPrintf("%d", 1 + 10 * nTableLimit);
1215 : }
1216 :
1217 844 : auto oResult = SQLQuery(hDB, osSQL);
1218 844 : if (oResult)
1219 : {
1220 1561 : for (int i = 0; i < oResult->RowCount(); i++)
1221 : {
1222 717 : const char *pszTableName = oResult->GetValue(0, i);
1223 717 : const char *pszExtensionName = oResult->GetValue(1, i);
1224 717 : const char *pszDefinition = oResult->GetValue(2, i);
1225 717 : const char *pszScope = oResult->GetValue(3, i);
1226 717 : if (pszTableName && pszExtensionName && pszDefinition && pszScope)
1227 : {
1228 717 : GPKGExtensionDesc oDesc;
1229 717 : oDesc.osExtensionName = pszExtensionName;
1230 717 : oDesc.osDefinition = pszDefinition;
1231 717 : oDesc.osScope = pszScope;
1232 1434 : m_oMapTableToExtensions[CPLString(pszTableName).toupper()]
1233 717 : .push_back(std::move(oDesc));
1234 : }
1235 : }
1236 : }
1237 :
1238 844 : return m_oMapTableToExtensions;
1239 : }
1240 :
1241 : /************************************************************************/
1242 : /* GetContents() */
1243 : /************************************************************************/
1244 :
1245 : const std::map<CPLString, GPKGContentsDesc> &
1246 984 : GDALGeoPackageDataset::GetContents()
1247 : {
1248 984 : if (m_bMapTableToContentsBuilt)
1249 90 : return m_oMapTableToContents;
1250 894 : m_bMapTableToContentsBuilt = true;
1251 :
1252 : CPLString osSQL("SELECT table_name, data_type, identifier, "
1253 : "description, min_x, min_y, max_x, max_y "
1254 1788 : "FROM gpkg_contents");
1255 894 : const int nTableLimit = GetOGRTableLimit();
1256 894 : if (nTableLimit > 0)
1257 : {
1258 894 : osSQL += " LIMIT ";
1259 894 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1260 : }
1261 :
1262 894 : auto oResult = SQLQuery(hDB, osSQL);
1263 894 : if (oResult)
1264 : {
1265 1935 : for (int i = 0; i < oResult->RowCount(); i++)
1266 : {
1267 1041 : const char *pszTableName = oResult->GetValue(0, i);
1268 1041 : if (pszTableName == nullptr)
1269 0 : continue;
1270 1041 : const char *pszDataType = oResult->GetValue(1, i);
1271 1041 : const char *pszIdentifier = oResult->GetValue(2, i);
1272 1041 : const char *pszDescription = oResult->GetValue(3, i);
1273 1041 : const char *pszMinX = oResult->GetValue(4, i);
1274 1041 : const char *pszMinY = oResult->GetValue(5, i);
1275 1041 : const char *pszMaxX = oResult->GetValue(6, i);
1276 1041 : const char *pszMaxY = oResult->GetValue(7, i);
1277 1041 : GPKGContentsDesc oDesc;
1278 1041 : if (pszDataType)
1279 1041 : oDesc.osDataType = pszDataType;
1280 1041 : if (pszIdentifier)
1281 1041 : oDesc.osIdentifier = pszIdentifier;
1282 1041 : if (pszDescription)
1283 1040 : oDesc.osDescription = pszDescription;
1284 1041 : if (pszMinX)
1285 699 : oDesc.osMinX = pszMinX;
1286 1041 : if (pszMinY)
1287 699 : oDesc.osMinY = pszMinY;
1288 1041 : if (pszMaxX)
1289 699 : oDesc.osMaxX = pszMaxX;
1290 1041 : if (pszMaxY)
1291 699 : oDesc.osMaxY = pszMaxY;
1292 2082 : m_oMapTableToContents[CPLString(pszTableName).toupper()] =
1293 2082 : std::move(oDesc);
1294 : }
1295 : }
1296 :
1297 894 : return m_oMapTableToContents;
1298 : }
1299 :
1300 : /************************************************************************/
1301 : /* Open() */
1302 : /************************************************************************/
1303 :
1304 1414 : int GDALGeoPackageDataset::Open(GDALOpenInfo *poOpenInfo,
1305 : const std::string &osFilenameInZip)
1306 : {
1307 1414 : m_osFilenameInZip = osFilenameInZip;
1308 1414 : CPLAssert(m_apoLayers.empty());
1309 1414 : CPLAssert(hDB == nullptr);
1310 :
1311 1414 : SetDescription(poOpenInfo->pszFilename);
1312 2828 : CPLString osFilename(poOpenInfo->pszFilename);
1313 2828 : CPLString osSubdatasetTableName;
1314 : GByte abyHeaderLetMeHerePlease[100];
1315 1414 : const GByte *pabyHeader = poOpenInfo->pabyHeader;
1316 1414 : if (STARTS_WITH_CI(poOpenInfo->pszFilename, "GPKG:"))
1317 : {
1318 270 : char **papszTokens = CSLTokenizeString2(poOpenInfo->pszFilename, ":",
1319 : CSLT_HONOURSTRINGS);
1320 270 : int nCount = CSLCount(papszTokens);
1321 270 : if (nCount < 2)
1322 : {
1323 0 : CSLDestroy(papszTokens);
1324 0 : return FALSE;
1325 : }
1326 :
1327 270 : if (nCount <= 3)
1328 : {
1329 268 : osFilename = papszTokens[1];
1330 : }
1331 : /* GPKG:C:\BLA.GPKG:foo */
1332 2 : else if (nCount == 4 && strlen(papszTokens[1]) == 1 &&
1333 2 : (papszTokens[2][0] == '/' || papszTokens[2][0] == '\\'))
1334 : {
1335 2 : osFilename = CPLString(papszTokens[1]) + ":" + papszTokens[2];
1336 : }
1337 : // GPKG:/vsicurl/http[s]://[user:passwd@]example.com[:8080]/foo.gpkg:bar
1338 0 : else if (/*nCount >= 4 && */
1339 0 : (EQUAL(papszTokens[1], "/vsicurl/http") ||
1340 0 : EQUAL(papszTokens[1], "/vsicurl/https")))
1341 : {
1342 0 : osFilename = CPLString(papszTokens[1]);
1343 0 : for (int i = 2; i < nCount - 1; i++)
1344 : {
1345 0 : osFilename += ':';
1346 0 : osFilename += papszTokens[i];
1347 : }
1348 : }
1349 270 : if (nCount >= 3)
1350 14 : osSubdatasetTableName = papszTokens[nCount - 1];
1351 :
1352 270 : CSLDestroy(papszTokens);
1353 270 : VSILFILE *fp = VSIFOpenL(osFilename, "rb");
1354 270 : if (fp != nullptr)
1355 : {
1356 270 : VSIFReadL(abyHeaderLetMeHerePlease, 1, 100, fp);
1357 270 : VSIFCloseL(fp);
1358 : }
1359 270 : pabyHeader = abyHeaderLetMeHerePlease;
1360 : }
1361 1144 : else if (poOpenInfo->pabyHeader &&
1362 1144 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1363 : "SQLite format 3"))
1364 : {
1365 1137 : m_bCallUndeclareFileNotToOpen = true;
1366 1137 : GDALOpenInfoDeclareFileNotToOpen(osFilename, poOpenInfo->pabyHeader,
1367 : poOpenInfo->nHeaderBytes);
1368 : }
1369 :
1370 1414 : eAccess = poOpenInfo->eAccess;
1371 1414 : if (!m_osFilenameInZip.empty())
1372 : {
1373 2 : m_pszFilename = CPLStrdup(CPLSPrintf(
1374 : "/vsizip/{%s}/%s", osFilename.c_str(), m_osFilenameInZip.c_str()));
1375 : }
1376 : else
1377 : {
1378 1412 : m_pszFilename = CPLStrdup(osFilename);
1379 : }
1380 :
1381 1414 : if (poOpenInfo->papszOpenOptions)
1382 : {
1383 100 : CSLDestroy(papszOpenOptions);
1384 100 : papszOpenOptions = CSLDuplicate(poOpenInfo->papszOpenOptions);
1385 : }
1386 :
1387 : #ifdef ENABLE_SQL_GPKG_FORMAT
1388 1414 : if (poOpenInfo->pabyHeader &&
1389 1144 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1390 5 : "-- SQL GPKG") &&
1391 5 : poOpenInfo->fpL != nullptr)
1392 : {
1393 5 : if (sqlite3_open_v2(":memory:", &hDB, SQLITE_OPEN_READWRITE, nullptr) !=
1394 : SQLITE_OK)
1395 : {
1396 0 : return FALSE;
1397 : }
1398 :
1399 5 : InstallSQLFunctions();
1400 :
1401 : // Ingest the lines of the dump
1402 5 : VSIFSeekL(poOpenInfo->fpL, 0, SEEK_SET);
1403 : const char *pszLine;
1404 76 : while ((pszLine = CPLReadLineL(poOpenInfo->fpL)) != nullptr)
1405 : {
1406 71 : if (STARTS_WITH(pszLine, "--"))
1407 5 : continue;
1408 :
1409 66 : if (!SQLCheckLineIsSafe(pszLine))
1410 0 : return false;
1411 :
1412 66 : char *pszErrMsg = nullptr;
1413 66 : if (sqlite3_exec(hDB, pszLine, nullptr, nullptr, &pszErrMsg) !=
1414 : SQLITE_OK)
1415 : {
1416 0 : if (pszErrMsg)
1417 0 : CPLDebug("SQLITE", "Error %s", pszErrMsg);
1418 : }
1419 66 : sqlite3_free(pszErrMsg);
1420 5 : }
1421 : }
1422 :
1423 1409 : else if (pabyHeader != nullptr)
1424 : #endif
1425 : {
1426 1409 : if (poOpenInfo->fpL)
1427 : {
1428 : // See above comment about -wal locking for the importance of
1429 : // closing that file, prior to calling sqlite3_open()
1430 1020 : VSIFCloseL(poOpenInfo->fpL);
1431 1020 : poOpenInfo->fpL = nullptr;
1432 : }
1433 :
1434 : /* See if we can open the SQLite database */
1435 1409 : if (!OpenOrCreateDB(GetUpdate() ? SQLITE_OPEN_READWRITE
1436 : : SQLITE_OPEN_READONLY))
1437 3 : return FALSE;
1438 :
1439 1406 : memcpy(&m_nApplicationId, pabyHeader + knApplicationIdPos, 4);
1440 1406 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
1441 1406 : memcpy(&m_nUserVersion, pabyHeader + knUserVersionPos, 4);
1442 1406 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
1443 1406 : if (m_nApplicationId == GP10_APPLICATION_ID)
1444 : {
1445 9 : CPLDebug("GPKG", "GeoPackage v1.0");
1446 : }
1447 1397 : else if (m_nApplicationId == GP11_APPLICATION_ID)
1448 : {
1449 2 : CPLDebug("GPKG", "GeoPackage v1.1");
1450 : }
1451 1395 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
1452 1391 : m_nUserVersion >= GPKG_1_2_VERSION)
1453 : {
1454 1389 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
1455 1389 : (m_nUserVersion % 10000) / 100, m_nUserVersion % 100);
1456 : }
1457 : }
1458 :
1459 : /* Requirement 6: The SQLite PRAGMA integrity_check SQL command SHALL return
1460 : * “ok” */
1461 : /* http://opengis.github.io/geopackage/#_file_integrity */
1462 : /* Disable integrity check by default, since it is expensive on big files */
1463 1411 : if (CPLTestBool(CPLGetConfigOption("OGR_GPKG_INTEGRITY_CHECK", "NO")) &&
1464 0 : OGRERR_NONE != PragmaCheck("integrity_check", "ok", 1))
1465 : {
1466 0 : CPLError(CE_Failure, CPLE_AppDefined,
1467 : "pragma integrity_check on '%s' failed", m_pszFilename);
1468 0 : return FALSE;
1469 : }
1470 :
1471 : /* Requirement 7: The SQLite PRAGMA foreign_key_check() SQL with no */
1472 : /* parameter value SHALL return an empty result set */
1473 : /* http://opengis.github.io/geopackage/#_file_integrity */
1474 : /* Disable the check by default, since it is to corrupt databases, and */
1475 : /* that causes issues to downstream software that can't open them. */
1476 1411 : if (CPLTestBool(CPLGetConfigOption("OGR_GPKG_FOREIGN_KEY_CHECK", "NO")) &&
1477 0 : OGRERR_NONE != PragmaCheck("foreign_key_check", "", 0))
1478 : {
1479 0 : CPLError(CE_Failure, CPLE_AppDefined,
1480 : "pragma foreign_key_check on '%s' failed.", m_pszFilename);
1481 0 : return FALSE;
1482 : }
1483 :
1484 : /* Check for requirement metadata tables */
1485 : /* Requirement 10: gpkg_spatial_ref_sys must exist */
1486 : /* Requirement 13: gpkg_contents must exist */
1487 1411 : if (SQLGetInteger(hDB,
1488 : "SELECT COUNT(*) FROM sqlite_master WHERE "
1489 : "name IN ('gpkg_spatial_ref_sys', 'gpkg_contents') AND "
1490 : "type IN ('table', 'view')",
1491 1411 : nullptr) != 2)
1492 : {
1493 0 : CPLError(CE_Failure, CPLE_AppDefined,
1494 : "At least one of the required GeoPackage tables, "
1495 : "gpkg_spatial_ref_sys or gpkg_contents, is missing");
1496 0 : return FALSE;
1497 : }
1498 :
1499 1411 : DetectSpatialRefSysColumns();
1500 :
1501 : #ifdef ENABLE_GPKG_OGR_CONTENTS
1502 1411 : if (SQLGetInteger(hDB,
1503 : "SELECT 1 FROM sqlite_master WHERE "
1504 : "name = 'gpkg_ogr_contents' AND type = 'table'",
1505 1411 : nullptr) == 1)
1506 : {
1507 1400 : m_bHasGPKGOGRContents = true;
1508 : }
1509 : #endif
1510 :
1511 1411 : CheckUnknownExtensions();
1512 :
1513 1411 : int bRet = FALSE;
1514 1411 : bool bHasGPKGExtRelations = false;
1515 1411 : if (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR)
1516 : {
1517 1219 : m_bHasGPKGGeometryColumns =
1518 1219 : SQLGetInteger(hDB,
1519 : "SELECT 1 FROM sqlite_master WHERE "
1520 : "name = 'gpkg_geometry_columns' AND "
1521 : "type IN ('table', 'view')",
1522 1219 : nullptr) == 1;
1523 1219 : bHasGPKGExtRelations = HasGpkgextRelationsTable();
1524 : }
1525 1411 : if (m_bHasGPKGGeometryColumns)
1526 : {
1527 : /* Load layer definitions for all tables in gpkg_contents &
1528 : * gpkg_geometry_columns */
1529 : /* and non-spatial tables as well */
1530 : std::string osSQL =
1531 : "SELECT c.table_name, c.identifier, 1 as is_spatial, "
1532 : "g.column_name, g.geometry_type_name, g.z, g.m, c.min_x, c.min_y, "
1533 : "c.max_x, c.max_y, 1 AS is_in_gpkg_contents, "
1534 : "(SELECT type FROM sqlite_master WHERE lower(name) = "
1535 : "lower(c.table_name) AND type IN ('table', 'view')) AS object_type "
1536 : " FROM gpkg_geometry_columns g "
1537 : " JOIN gpkg_contents c ON (g.table_name = c.table_name)"
1538 : " WHERE "
1539 : " c.table_name <> 'ogr_empty_table' AND"
1540 : " c.data_type = 'features' "
1541 : // aspatial: Was the only method available in OGR 2.0 and 2.1
1542 : // attributes: GPKG 1.2 or later
1543 : "UNION ALL "
1544 : "SELECT table_name, identifier, 0 as is_spatial, NULL, NULL, 0, 0, "
1545 : "0 AS xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 1 AS "
1546 : "is_in_gpkg_contents, "
1547 : "(SELECT type FROM sqlite_master WHERE lower(name) = "
1548 : "lower(table_name) AND type IN ('table', 'view')) AS object_type "
1549 : " FROM gpkg_contents"
1550 1217 : " WHERE data_type IN ('aspatial', 'attributes') ";
1551 :
1552 2434 : const char *pszListAllTables = CSLFetchNameValueDef(
1553 1217 : poOpenInfo->papszOpenOptions, "LIST_ALL_TABLES", "AUTO");
1554 1217 : bool bHasASpatialOrAttributes = HasGDALAspatialExtension();
1555 1217 : if (!bHasASpatialOrAttributes)
1556 : {
1557 : auto oResultTable =
1558 : SQLQuery(hDB, "SELECT * FROM gpkg_contents WHERE "
1559 1216 : "data_type = 'attributes' LIMIT 1");
1560 1216 : bHasASpatialOrAttributes =
1561 1216 : (oResultTable && oResultTable->RowCount() == 1);
1562 : }
1563 1217 : if (bHasGPKGExtRelations)
1564 : {
1565 : osSQL += "UNION ALL "
1566 : "SELECT mapping_table_name, mapping_table_name, 0 as "
1567 : "is_spatial, NULL, NULL, 0, 0, 0 AS "
1568 : "xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 0 AS "
1569 : "is_in_gpkg_contents, 'table' AS object_type "
1570 : "FROM gpkgext_relations WHERE "
1571 : "lower(mapping_table_name) NOT IN (SELECT "
1572 : "lower(table_name) FROM gpkg_contents) AND "
1573 : "EXISTS (SELECT 1 FROM sqlite_master WHERE "
1574 : "type IN ('table', 'view') AND "
1575 20 : "lower(name) = lower(mapping_table_name))";
1576 : }
1577 1217 : if (EQUAL(pszListAllTables, "YES") ||
1578 1216 : (!bHasASpatialOrAttributes && EQUAL(pszListAllTables, "AUTO")))
1579 : {
1580 : // vgpkg_ is Spatialite virtual table
1581 : osSQL +=
1582 : "UNION ALL "
1583 : "SELECT name, name, 0 as is_spatial, NULL, NULL, 0, 0, 0 AS "
1584 : "xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 0 AS "
1585 : "is_in_gpkg_contents, type AS object_type "
1586 : "FROM sqlite_master WHERE type IN ('table', 'view') "
1587 : "AND name NOT LIKE 'gpkg_%' "
1588 : "AND name NOT LIKE 'vgpkg_%' "
1589 : "AND name NOT LIKE 'rtree_%' AND name NOT LIKE 'sqlite_%' "
1590 : // Avoid reading those views from simple_sewer_features.gpkg
1591 : "AND name NOT IN ('st_spatial_ref_sys', 'spatial_ref_sys', "
1592 : "'st_geometry_columns', 'geometry_columns') "
1593 : "AND lower(name) NOT IN (SELECT lower(table_name) FROM "
1594 1147 : "gpkg_contents)";
1595 1147 : if (bHasGPKGExtRelations)
1596 : {
1597 : osSQL += " AND lower(name) NOT IN (SELECT "
1598 : "lower(mapping_table_name) FROM "
1599 15 : "gpkgext_relations)";
1600 : }
1601 : }
1602 1217 : const int nTableLimit = GetOGRTableLimit();
1603 1217 : if (nTableLimit > 0)
1604 : {
1605 1217 : osSQL += " LIMIT ";
1606 1217 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1607 : }
1608 :
1609 1217 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1610 1217 : if (!oResult)
1611 : {
1612 0 : return FALSE;
1613 : }
1614 :
1615 1217 : if (nTableLimit > 0 && oResult->RowCount() > nTableLimit)
1616 : {
1617 1 : CPLError(CE_Warning, CPLE_AppDefined,
1618 : "File has more than %d vector tables. "
1619 : "Limiting to first %d (can be overridden with "
1620 : "OGR_TABLE_LIMIT config option)",
1621 : nTableLimit, nTableLimit);
1622 1 : oResult->LimitRowCount(nTableLimit);
1623 : }
1624 :
1625 1217 : if (oResult->RowCount() > 0)
1626 : {
1627 1100 : bRet = TRUE;
1628 :
1629 1100 : m_apoLayers.reserve(oResult->RowCount());
1630 :
1631 2200 : std::map<std::string, int> oMapTableRefCount;
1632 4428 : for (int i = 0; i < oResult->RowCount(); i++)
1633 : {
1634 3328 : const char *pszTableName = oResult->GetValue(0, i);
1635 3328 : if (pszTableName == nullptr)
1636 0 : continue;
1637 3328 : if (++oMapTableRefCount[pszTableName] == 2)
1638 : {
1639 : // This should normally not happen if all constraints are
1640 : // properly set
1641 2 : CPLError(CE_Warning, CPLE_AppDefined,
1642 : "Table %s appearing several times in "
1643 : "gpkg_contents and/or gpkg_geometry_columns",
1644 : pszTableName);
1645 : }
1646 : }
1647 :
1648 2200 : std::set<std::string> oExistingLayers;
1649 4428 : for (int i = 0; i < oResult->RowCount(); i++)
1650 : {
1651 3328 : const char *pszTableName = oResult->GetValue(0, i);
1652 3328 : if (pszTableName == nullptr)
1653 2 : continue;
1654 : const bool bTableHasSeveralGeomColumns =
1655 3328 : oMapTableRefCount[pszTableName] > 1;
1656 3328 : bool bIsSpatial = CPL_TO_BOOL(oResult->GetValueAsInteger(2, i));
1657 3328 : const char *pszGeomColName = oResult->GetValue(3, i);
1658 3328 : const char *pszGeomType = oResult->GetValue(4, i);
1659 3328 : const char *pszZ = oResult->GetValue(5, i);
1660 3328 : const char *pszM = oResult->GetValue(6, i);
1661 : bool bIsInGpkgContents =
1662 3328 : CPL_TO_BOOL(oResult->GetValueAsInteger(11, i));
1663 3328 : if (!bIsInGpkgContents)
1664 46 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound = true;
1665 3328 : const char *pszObjectType = oResult->GetValue(12, i);
1666 3328 : if (pszObjectType == nullptr ||
1667 3327 : !(EQUAL(pszObjectType, "table") ||
1668 21 : EQUAL(pszObjectType, "view")))
1669 : {
1670 1 : CPLError(CE_Warning, CPLE_AppDefined,
1671 : "Table/view %s is referenced in gpkg_contents, "
1672 : "but does not exist",
1673 : pszTableName);
1674 1 : continue;
1675 : }
1676 : // Non-standard and undocumented behavior:
1677 : // if the same table appears to have several geometry columns,
1678 : // handle it for now as multiple layers named
1679 : // "table_name (geom_col_name)"
1680 : // The way we handle that might change in the future (e.g
1681 : // could be a single layer with multiple geometry columns)
1682 : std::string osLayerNameWithGeomColName =
1683 6948 : pszGeomColName ? std::string(pszTableName) + " (" +
1684 : pszGeomColName + ')'
1685 6654 : : std::string(pszTableName);
1686 3327 : if (cpl::contains(oExistingLayers, osLayerNameWithGeomColName))
1687 1 : continue;
1688 3326 : oExistingLayers.insert(osLayerNameWithGeomColName);
1689 : const std::string osLayerName =
1690 : bTableHasSeveralGeomColumns
1691 3 : ? std::move(osLayerNameWithGeomColName)
1692 6655 : : std::string(pszTableName);
1693 : auto poLayer = std::make_unique<OGRGeoPackageTableLayer>(
1694 6652 : this, osLayerName.c_str());
1695 3326 : bool bHasZ = pszZ && atoi(pszZ) > 0;
1696 3326 : bool bHasM = pszM && atoi(pszM) > 0;
1697 3326 : if (pszGeomType && EQUAL(pszGeomType, "GEOMETRY"))
1698 : {
1699 676 : if (pszZ && atoi(pszZ) == 2)
1700 14 : bHasZ = false;
1701 676 : if (pszM && atoi(pszM) == 2)
1702 6 : bHasM = false;
1703 : }
1704 3326 : poLayer->SetOpeningParameters(
1705 : pszTableName, pszObjectType, bIsInGpkgContents, bIsSpatial,
1706 : pszGeomColName, pszGeomType, bHasZ, bHasM);
1707 3326 : m_apoLayers.push_back(std::move(poLayer));
1708 : }
1709 : }
1710 : }
1711 :
1712 1411 : bool bHasTileMatrixSet = false;
1713 1411 : if (poOpenInfo->nOpenFlags & GDAL_OF_RASTER)
1714 : {
1715 618 : bHasTileMatrixSet = SQLGetInteger(hDB,
1716 : "SELECT 1 FROM sqlite_master WHERE "
1717 : "name = 'gpkg_tile_matrix_set' AND "
1718 : "type IN ('table', 'view')",
1719 : nullptr) == 1;
1720 : }
1721 1411 : if (bHasTileMatrixSet)
1722 : {
1723 : std::string osSQL =
1724 : "SELECT c.table_name, c.identifier, c.description, c.srs_id, "
1725 : "c.min_x, c.min_y, c.max_x, c.max_y, "
1726 : "tms.min_x, tms.min_y, tms.max_x, tms.max_y, c.data_type "
1727 : "FROM gpkg_contents c JOIN gpkg_tile_matrix_set tms ON "
1728 : "c.table_name = tms.table_name WHERE "
1729 615 : "data_type IN ('tiles', '2d-gridded-coverage')";
1730 615 : if (CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE"))
1731 : osSubdatasetTableName =
1732 2 : CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE");
1733 615 : if (!osSubdatasetTableName.empty())
1734 : {
1735 16 : char *pszTmp = sqlite3_mprintf(" AND c.table_name='%q'",
1736 : osSubdatasetTableName.c_str());
1737 16 : osSQL += pszTmp;
1738 16 : sqlite3_free(pszTmp);
1739 16 : SetPhysicalFilename(osFilename.c_str());
1740 : }
1741 615 : const int nTableLimit = GetOGRTableLimit();
1742 615 : if (nTableLimit > 0)
1743 : {
1744 615 : osSQL += " LIMIT ";
1745 615 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1746 : }
1747 :
1748 615 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1749 615 : if (!oResult)
1750 : {
1751 0 : return FALSE;
1752 : }
1753 :
1754 615 : if (oResult->RowCount() == 0 && !osSubdatasetTableName.empty())
1755 : {
1756 1 : CPLError(CE_Failure, CPLE_AppDefined,
1757 : "Cannot find table '%s' in GeoPackage dataset",
1758 : osSubdatasetTableName.c_str());
1759 : }
1760 614 : else if (oResult->RowCount() == 1)
1761 : {
1762 284 : const char *pszTableName = oResult->GetValue(0, 0);
1763 284 : const char *pszIdentifier = oResult->GetValue(1, 0);
1764 284 : const char *pszDescription = oResult->GetValue(2, 0);
1765 284 : const char *pszSRSId = oResult->GetValue(3, 0);
1766 284 : const char *pszMinX = oResult->GetValue(4, 0);
1767 284 : const char *pszMinY = oResult->GetValue(5, 0);
1768 284 : const char *pszMaxX = oResult->GetValue(6, 0);
1769 284 : const char *pszMaxY = oResult->GetValue(7, 0);
1770 284 : const char *pszTMSMinX = oResult->GetValue(8, 0);
1771 284 : const char *pszTMSMinY = oResult->GetValue(9, 0);
1772 284 : const char *pszTMSMaxX = oResult->GetValue(10, 0);
1773 284 : const char *pszTMSMaxY = oResult->GetValue(11, 0);
1774 284 : const char *pszDataType = oResult->GetValue(12, 0);
1775 284 : if (pszTableName && pszTMSMinX && pszTMSMinY && pszTMSMaxX &&
1776 : pszTMSMaxY)
1777 : {
1778 568 : bRet = OpenRaster(
1779 : pszTableName, pszIdentifier, pszDescription,
1780 284 : pszSRSId ? atoi(pszSRSId) : 0, CPLAtof(pszTMSMinX),
1781 : CPLAtof(pszTMSMinY), CPLAtof(pszTMSMaxX),
1782 : CPLAtof(pszTMSMaxY), pszMinX, pszMinY, pszMaxX, pszMaxY,
1783 284 : EQUAL(pszDataType, "tiles"), poOpenInfo->papszOpenOptions);
1784 : }
1785 : }
1786 330 : else if (oResult->RowCount() >= 1)
1787 : {
1788 5 : bRet = TRUE;
1789 :
1790 5 : if (nTableLimit > 0 && oResult->RowCount() > nTableLimit)
1791 : {
1792 1 : CPLError(CE_Warning, CPLE_AppDefined,
1793 : "File has more than %d raster tables. "
1794 : "Limiting to first %d (can be overridden with "
1795 : "OGR_TABLE_LIMIT config option)",
1796 : nTableLimit, nTableLimit);
1797 1 : oResult->LimitRowCount(nTableLimit);
1798 : }
1799 :
1800 5 : int nSDSCount = 0;
1801 2013 : for (int i = 0; i < oResult->RowCount(); i++)
1802 : {
1803 2008 : const char *pszTableName = oResult->GetValue(0, i);
1804 2008 : const char *pszIdentifier = oResult->GetValue(1, i);
1805 2008 : if (pszTableName == nullptr)
1806 0 : continue;
1807 : m_aosSubDatasets.AddNameValue(
1808 : CPLSPrintf("SUBDATASET_%d_NAME", nSDSCount + 1),
1809 2008 : CPLSPrintf("GPKG:%s:%s", m_pszFilename, pszTableName));
1810 : m_aosSubDatasets.AddNameValue(
1811 : CPLSPrintf("SUBDATASET_%d_DESC", nSDSCount + 1),
1812 : pszIdentifier
1813 2008 : ? CPLSPrintf("%s - %s", pszTableName, pszIdentifier)
1814 4016 : : pszTableName);
1815 2008 : nSDSCount++;
1816 : }
1817 : }
1818 : }
1819 :
1820 1411 : if (!bRet && (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR))
1821 : {
1822 34 : if ((poOpenInfo->nOpenFlags & GDAL_OF_UPDATE))
1823 : {
1824 23 : bRet = TRUE;
1825 : }
1826 : else
1827 : {
1828 11 : CPLDebug("GPKG",
1829 : "This GeoPackage has no vector content and is opened "
1830 : "in read-only mode. If you open it in update mode, "
1831 : "opening will be successful.");
1832 : }
1833 : }
1834 :
1835 1411 : if (eAccess == GA_Update)
1836 : {
1837 285 : FixupWrongRTreeTrigger();
1838 285 : FixupWrongMedataReferenceColumnNameUpdate();
1839 : }
1840 :
1841 1411 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
1842 :
1843 1411 : return bRet;
1844 : }
1845 :
1846 : /************************************************************************/
1847 : /* DetectSpatialRefSysColumns() */
1848 : /************************************************************************/
1849 :
1850 1421 : void GDALGeoPackageDataset::DetectSpatialRefSysColumns()
1851 : {
1852 : // Detect definition_12_063 column
1853 : {
1854 1421 : sqlite3_stmt *hSQLStmt = nullptr;
1855 1421 : int rc = sqlite3_prepare_v2(
1856 : hDB, "SELECT definition_12_063 FROM gpkg_spatial_ref_sys ", -1,
1857 : &hSQLStmt, nullptr);
1858 1421 : if (rc == SQLITE_OK)
1859 : {
1860 85 : m_bHasDefinition12_063 = true;
1861 85 : sqlite3_finalize(hSQLStmt);
1862 : }
1863 : }
1864 :
1865 : // Detect epoch column
1866 1421 : if (m_bHasDefinition12_063)
1867 : {
1868 85 : sqlite3_stmt *hSQLStmt = nullptr;
1869 : int rc =
1870 85 : sqlite3_prepare_v2(hDB, "SELECT epoch FROM gpkg_spatial_ref_sys ",
1871 : -1, &hSQLStmt, nullptr);
1872 85 : if (rc == SQLITE_OK)
1873 : {
1874 76 : m_bHasEpochColumn = true;
1875 76 : sqlite3_finalize(hSQLStmt);
1876 : }
1877 : }
1878 1421 : }
1879 :
1880 : /************************************************************************/
1881 : /* FixupWrongRTreeTrigger() */
1882 : /************************************************************************/
1883 :
1884 285 : void GDALGeoPackageDataset::FixupWrongRTreeTrigger()
1885 : {
1886 : auto oResult = SQLQuery(
1887 : hDB,
1888 : "SELECT name, sql FROM sqlite_master WHERE type = 'trigger' AND "
1889 285 : "NAME LIKE 'rtree_%_update3' AND sql LIKE '% AFTER UPDATE OF % ON %'");
1890 285 : if (oResult == nullptr)
1891 0 : return;
1892 285 : if (oResult->RowCount() > 0)
1893 : {
1894 1 : CPLDebug("GPKG", "Fixing incorrect trigger(s) related to RTree");
1895 : }
1896 287 : for (int i = 0; i < oResult->RowCount(); i++)
1897 : {
1898 2 : const char *pszName = oResult->GetValue(0, i);
1899 2 : const char *pszSQL = oResult->GetValue(1, i);
1900 2 : const char *pszPtr1 = strstr(pszSQL, " AFTER UPDATE OF ");
1901 2 : if (pszPtr1)
1902 : {
1903 2 : const char *pszPtr = pszPtr1 + strlen(" AFTER UPDATE OF ");
1904 : // Skipping over geometry column name
1905 4 : while (*pszPtr == ' ')
1906 2 : pszPtr++;
1907 2 : if (pszPtr[0] == '"' || pszPtr[0] == '\'')
1908 : {
1909 1 : char chStringDelim = pszPtr[0];
1910 1 : pszPtr++;
1911 9 : while (*pszPtr != '\0' && *pszPtr != chStringDelim)
1912 : {
1913 8 : if (*pszPtr == '\\' && pszPtr[1] == chStringDelim)
1914 0 : pszPtr += 2;
1915 : else
1916 8 : pszPtr += 1;
1917 : }
1918 1 : if (*pszPtr == chStringDelim)
1919 1 : pszPtr++;
1920 : }
1921 : else
1922 : {
1923 1 : pszPtr++;
1924 8 : while (*pszPtr != ' ')
1925 7 : pszPtr++;
1926 : }
1927 2 : if (*pszPtr == ' ')
1928 : {
1929 2 : SQLCommand(hDB,
1930 4 : ("DROP TRIGGER \"" + SQLEscapeName(pszName) + "\"")
1931 : .c_str());
1932 4 : CPLString newSQL;
1933 2 : newSQL.assign(pszSQL, pszPtr1 - pszSQL);
1934 2 : newSQL += " AFTER UPDATE";
1935 2 : newSQL += pszPtr;
1936 2 : SQLCommand(hDB, newSQL);
1937 : }
1938 : }
1939 : }
1940 : }
1941 :
1942 : /************************************************************************/
1943 : /* FixupWrongMedataReferenceColumnNameUpdate() */
1944 : /************************************************************************/
1945 :
1946 285 : void GDALGeoPackageDataset::FixupWrongMedataReferenceColumnNameUpdate()
1947 : {
1948 : // Fix wrong trigger that was generated by GDAL < 2.4.0
1949 : // See https://github.com/qgis/QGIS/issues/42768
1950 : auto oResult = SQLQuery(
1951 : hDB, "SELECT sql FROM sqlite_master WHERE type = 'trigger' AND "
1952 : "NAME ='gpkg_metadata_reference_column_name_update' AND "
1953 285 : "sql LIKE '%column_nameIS%'");
1954 285 : if (oResult == nullptr)
1955 0 : return;
1956 285 : if (oResult->RowCount() == 1)
1957 : {
1958 1 : CPLDebug("GPKG", "Fixing incorrect trigger "
1959 : "gpkg_metadata_reference_column_name_update");
1960 1 : const char *pszSQL = oResult->GetValue(0, 0);
1961 : std::string osNewSQL(
1962 3 : CPLString(pszSQL).replaceAll("column_nameIS", "column_name IS"));
1963 :
1964 1 : SQLCommand(hDB,
1965 : "DROP TRIGGER gpkg_metadata_reference_column_name_update");
1966 1 : SQLCommand(hDB, osNewSQL.c_str());
1967 : }
1968 : }
1969 :
1970 : /************************************************************************/
1971 : /* ClearCachedRelationships() */
1972 : /************************************************************************/
1973 :
1974 38 : void GDALGeoPackageDataset::ClearCachedRelationships()
1975 : {
1976 38 : m_bHasPopulatedRelationships = false;
1977 38 : m_osMapRelationships.clear();
1978 38 : }
1979 :
1980 : /************************************************************************/
1981 : /* LoadRelationships() */
1982 : /************************************************************************/
1983 :
1984 99 : void GDALGeoPackageDataset::LoadRelationships() const
1985 : {
1986 99 : m_osMapRelationships.clear();
1987 :
1988 99 : std::vector<std::string> oExcludedTables;
1989 99 : if (HasGpkgextRelationsTable())
1990 : {
1991 41 : LoadRelationshipsUsingRelatedTablesExtension();
1992 :
1993 98 : for (const auto &oRelationship : m_osMapRelationships)
1994 : {
1995 : oExcludedTables.emplace_back(
1996 57 : oRelationship.second->GetMappingTableName());
1997 : }
1998 : }
1999 :
2000 : // Also load relationships defined using foreign keys (i.e. one-to-many
2001 : // relationships). Here we must exclude any relationships defined from the
2002 : // related tables extension, we don't want them included twice.
2003 99 : LoadRelationshipsFromForeignKeys(oExcludedTables);
2004 99 : m_bHasPopulatedRelationships = true;
2005 99 : }
2006 :
2007 : /************************************************************************/
2008 : /* LoadRelationshipsUsingRelatedTablesExtension() */
2009 : /************************************************************************/
2010 :
2011 41 : void GDALGeoPackageDataset::LoadRelationshipsUsingRelatedTablesExtension() const
2012 : {
2013 41 : m_osMapRelationships.clear();
2014 :
2015 : auto oResultTable = SQLQuery(
2016 41 : hDB, "SELECT base_table_name, base_primary_column, "
2017 : "related_table_name, related_primary_column, relation_name, "
2018 82 : "mapping_table_name FROM gpkgext_relations");
2019 41 : if (oResultTable && oResultTable->RowCount() > 0)
2020 : {
2021 95 : for (int i = 0; i < oResultTable->RowCount(); i++)
2022 : {
2023 58 : const char *pszBaseTableName = oResultTable->GetValue(0, i);
2024 58 : if (!pszBaseTableName)
2025 : {
2026 0 : CPLError(CE_Warning, CPLE_AppDefined,
2027 : "Could not retrieve base_table_name from "
2028 : "gpkgext_relations");
2029 1 : continue;
2030 : }
2031 58 : const char *pszBasePrimaryColumn = oResultTable->GetValue(1, i);
2032 58 : if (!pszBasePrimaryColumn)
2033 : {
2034 0 : CPLError(CE_Warning, CPLE_AppDefined,
2035 : "Could not retrieve base_primary_column from "
2036 : "gpkgext_relations");
2037 0 : continue;
2038 : }
2039 58 : const char *pszRelatedTableName = oResultTable->GetValue(2, i);
2040 58 : if (!pszRelatedTableName)
2041 : {
2042 0 : CPLError(CE_Warning, CPLE_AppDefined,
2043 : "Could not retrieve related_table_name from "
2044 : "gpkgext_relations");
2045 0 : continue;
2046 : }
2047 58 : const char *pszRelatedPrimaryColumn = oResultTable->GetValue(3, i);
2048 58 : if (!pszRelatedPrimaryColumn)
2049 : {
2050 0 : CPLError(CE_Warning, CPLE_AppDefined,
2051 : "Could not retrieve related_primary_column from "
2052 : "gpkgext_relations");
2053 0 : continue;
2054 : }
2055 58 : const char *pszRelationName = oResultTable->GetValue(4, i);
2056 58 : if (!pszRelationName)
2057 : {
2058 0 : CPLError(
2059 : CE_Warning, CPLE_AppDefined,
2060 : "Could not retrieve relation_name from gpkgext_relations");
2061 0 : continue;
2062 : }
2063 58 : const char *pszMappingTableName = oResultTable->GetValue(5, i);
2064 58 : if (!pszMappingTableName)
2065 : {
2066 0 : CPLError(CE_Warning, CPLE_AppDefined,
2067 : "Could not retrieve mapping_table_name from "
2068 : "gpkgext_relations");
2069 0 : continue;
2070 : }
2071 :
2072 : // confirm that mapping table exists
2073 : char *pszSQL =
2074 58 : sqlite3_mprintf("SELECT 1 FROM sqlite_master WHERE "
2075 : "name='%q' AND type IN ('table', 'view')",
2076 : pszMappingTableName);
2077 58 : const int nMappingTableCount = SQLGetInteger(hDB, pszSQL, nullptr);
2078 58 : sqlite3_free(pszSQL);
2079 :
2080 59 : if (nMappingTableCount < 1 &&
2081 1 : !const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
2082 1 : pszMappingTableName))
2083 : {
2084 1 : CPLError(CE_Warning, CPLE_AppDefined,
2085 : "Relationship mapping table %s does not exist",
2086 : pszMappingTableName);
2087 1 : continue;
2088 : }
2089 :
2090 : const std::string osRelationName = GenerateNameForRelationship(
2091 114 : pszBaseTableName, pszRelatedTableName, pszRelationName);
2092 :
2093 114 : std::string osType{};
2094 : // defined requirement classes -- for these types the relation name
2095 : // will be specific string value from the related tables extension.
2096 : // In this case we need to construct a unique relationship name
2097 : // based on the related tables
2098 57 : if (EQUAL(pszRelationName, "media") ||
2099 42 : EQUAL(pszRelationName, "simple_attributes") ||
2100 42 : EQUAL(pszRelationName, "features") ||
2101 20 : EQUAL(pszRelationName, "attributes") ||
2102 2 : EQUAL(pszRelationName, "tiles"))
2103 : {
2104 55 : osType = pszRelationName;
2105 : }
2106 : else
2107 : {
2108 : // user defined types default to features
2109 2 : osType = "features";
2110 : }
2111 :
2112 : auto poRelationship = std::make_unique<GDALRelationship>(
2113 : osRelationName, pszBaseTableName, pszRelatedTableName,
2114 114 : GRC_MANY_TO_MANY);
2115 :
2116 114 : poRelationship->SetLeftTableFields({pszBasePrimaryColumn});
2117 114 : poRelationship->SetRightTableFields({pszRelatedPrimaryColumn});
2118 114 : poRelationship->SetLeftMappingTableFields({"base_id"});
2119 114 : poRelationship->SetRightMappingTableFields({"related_id"});
2120 57 : poRelationship->SetMappingTableName(pszMappingTableName);
2121 57 : poRelationship->SetRelatedTableType(osType);
2122 :
2123 57 : m_osMapRelationships[osRelationName] = std::move(poRelationship);
2124 : }
2125 : }
2126 41 : }
2127 :
2128 : /************************************************************************/
2129 : /* GenerateNameForRelationship() */
2130 : /************************************************************************/
2131 :
2132 83 : std::string GDALGeoPackageDataset::GenerateNameForRelationship(
2133 : const char *pszBaseTableName, const char *pszRelatedTableName,
2134 : const char *pszType)
2135 : {
2136 : // defined requirement classes -- for these types the relation name will be
2137 : // specific string value from the related tables extension. In this case we
2138 : // need to construct a unique relationship name based on the related tables
2139 83 : if (EQUAL(pszType, "media") || EQUAL(pszType, "simple_attributes") ||
2140 55 : EQUAL(pszType, "features") || EQUAL(pszType, "attributes") ||
2141 8 : EQUAL(pszType, "tiles"))
2142 : {
2143 150 : std::ostringstream stream;
2144 : stream << pszBaseTableName << '_' << pszRelatedTableName << '_'
2145 75 : << pszType;
2146 75 : return stream.str();
2147 : }
2148 : else
2149 : {
2150 : // user defined types default to features
2151 8 : return pszType;
2152 : }
2153 : }
2154 :
2155 : /************************************************************************/
2156 : /* ValidateRelationship() */
2157 : /************************************************************************/
2158 :
2159 30 : bool GDALGeoPackageDataset::ValidateRelationship(
2160 : const GDALRelationship *poRelationship, std::string &failureReason)
2161 : {
2162 :
2163 30 : if (poRelationship->GetCardinality() !=
2164 : GDALRelationshipCardinality::GRC_MANY_TO_MANY)
2165 : {
2166 3 : failureReason = "Only many to many relationships are supported";
2167 3 : return false;
2168 : }
2169 :
2170 54 : std::string osRelatedTableType = poRelationship->GetRelatedTableType();
2171 71 : if (!osRelatedTableType.empty() && osRelatedTableType != "features" &&
2172 32 : osRelatedTableType != "media" &&
2173 20 : osRelatedTableType != "simple_attributes" &&
2174 59 : osRelatedTableType != "attributes" && osRelatedTableType != "tiles")
2175 : {
2176 : failureReason =
2177 4 : ("Related table type " + osRelatedTableType +
2178 : " is not a valid value for the GeoPackage specification. "
2179 : "Valid values are: features, media, simple_attributes, "
2180 : "attributes, tiles.")
2181 2 : .c_str();
2182 2 : return false;
2183 : }
2184 :
2185 25 : const std::string &osLeftTableName = poRelationship->GetLeftTableName();
2186 25 : OGRGeoPackageLayer *poLeftTable = cpl::down_cast<OGRGeoPackageLayer *>(
2187 25 : GetLayerByName(osLeftTableName.c_str()));
2188 25 : if (!poLeftTable)
2189 : {
2190 4 : failureReason = ("Left table " + osLeftTableName +
2191 : " is not an existing layer in the dataset")
2192 2 : .c_str();
2193 2 : return false;
2194 : }
2195 23 : const std::string &osRightTableName = poRelationship->GetRightTableName();
2196 23 : OGRGeoPackageLayer *poRightTable = cpl::down_cast<OGRGeoPackageLayer *>(
2197 23 : GetLayerByName(osRightTableName.c_str()));
2198 23 : if (!poRightTable)
2199 : {
2200 4 : failureReason = ("Right table " + osRightTableName +
2201 : " is not an existing layer in the dataset")
2202 2 : .c_str();
2203 2 : return false;
2204 : }
2205 :
2206 21 : const auto &aosLeftTableFields = poRelationship->GetLeftTableFields();
2207 21 : if (aosLeftTableFields.empty())
2208 : {
2209 1 : failureReason = "No left table fields were specified";
2210 1 : return false;
2211 : }
2212 20 : else if (aosLeftTableFields.size() > 1)
2213 : {
2214 : failureReason = "Only a single left table field is permitted for the "
2215 1 : "GeoPackage specification";
2216 1 : return false;
2217 : }
2218 : else
2219 : {
2220 : // validate left field exists
2221 38 : if (poLeftTable->GetLayerDefn()->GetFieldIndex(
2222 43 : aosLeftTableFields[0].c_str()) < 0 &&
2223 5 : !EQUAL(poLeftTable->GetFIDColumn(), aosLeftTableFields[0].c_str()))
2224 : {
2225 2 : failureReason = ("Left table field " + aosLeftTableFields[0] +
2226 2 : " does not exist in " + osLeftTableName)
2227 1 : .c_str();
2228 1 : return false;
2229 : }
2230 : }
2231 :
2232 18 : const auto &aosRightTableFields = poRelationship->GetRightTableFields();
2233 18 : if (aosRightTableFields.empty())
2234 : {
2235 1 : failureReason = "No right table fields were specified";
2236 1 : return false;
2237 : }
2238 17 : else if (aosRightTableFields.size() > 1)
2239 : {
2240 : failureReason = "Only a single right table field is permitted for the "
2241 1 : "GeoPackage specification";
2242 1 : return false;
2243 : }
2244 : else
2245 : {
2246 : // validate right field exists
2247 32 : if (poRightTable->GetLayerDefn()->GetFieldIndex(
2248 38 : aosRightTableFields[0].c_str()) < 0 &&
2249 6 : !EQUAL(poRightTable->GetFIDColumn(),
2250 : aosRightTableFields[0].c_str()))
2251 : {
2252 4 : failureReason = ("Right table field " + aosRightTableFields[0] +
2253 4 : " does not exist in " + osRightTableName)
2254 2 : .c_str();
2255 2 : return false;
2256 : }
2257 : }
2258 :
2259 14 : return true;
2260 : }
2261 :
2262 : /************************************************************************/
2263 : /* InitRaster() */
2264 : /************************************************************************/
2265 :
2266 368 : bool GDALGeoPackageDataset::InitRaster(
2267 : GDALGeoPackageDataset *poParentDS, const char *pszTableName, double dfMinX,
2268 : double dfMinY, double dfMaxX, double dfMaxY, const char *pszContentsMinX,
2269 : const char *pszContentsMinY, const char *pszContentsMaxX,
2270 : const char *pszContentsMaxY, CSLConstList papszOpenOptionsIn,
2271 : const SQLResult &oResult, int nIdxInResult)
2272 : {
2273 368 : m_osRasterTable = pszTableName;
2274 368 : m_dfTMSMinX = dfMinX;
2275 368 : m_dfTMSMaxY = dfMaxY;
2276 :
2277 : // Despite prior checking, the type might be Binary and
2278 : // SQLResultGetValue() not working properly on it
2279 368 : int nZoomLevel = atoi(oResult.GetValue(0, nIdxInResult));
2280 368 : if (nZoomLevel < 0 || nZoomLevel > 65536)
2281 : {
2282 0 : return false;
2283 : }
2284 368 : double dfPixelXSize = CPLAtof(oResult.GetValue(1, nIdxInResult));
2285 368 : double dfPixelYSize = CPLAtof(oResult.GetValue(2, nIdxInResult));
2286 368 : if (dfPixelXSize <= 0 || dfPixelYSize <= 0)
2287 : {
2288 0 : return false;
2289 : }
2290 368 : int nTileWidth = atoi(oResult.GetValue(3, nIdxInResult));
2291 368 : int nTileHeight = atoi(oResult.GetValue(4, nIdxInResult));
2292 368 : if (nTileWidth <= 0 || nTileWidth > 65536 || nTileHeight <= 0 ||
2293 : nTileHeight > 65536)
2294 : {
2295 0 : return false;
2296 : }
2297 : int nTileMatrixWidth = static_cast<int>(
2298 736 : std::min(static_cast<GIntBig>(INT_MAX),
2299 368 : CPLAtoGIntBig(oResult.GetValue(5, nIdxInResult))));
2300 : int nTileMatrixHeight = static_cast<int>(
2301 736 : std::min(static_cast<GIntBig>(INT_MAX),
2302 368 : CPLAtoGIntBig(oResult.GetValue(6, nIdxInResult))));
2303 368 : if (nTileMatrixWidth <= 0 || nTileMatrixHeight <= 0)
2304 : {
2305 0 : return false;
2306 : }
2307 :
2308 : /* Use content bounds in priority over tile_matrix_set bounds */
2309 368 : double dfGDALMinX = dfMinX;
2310 368 : double dfGDALMinY = dfMinY;
2311 368 : double dfGDALMaxX = dfMaxX;
2312 368 : double dfGDALMaxY = dfMaxY;
2313 : pszContentsMinX =
2314 368 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINX", pszContentsMinX);
2315 : pszContentsMinY =
2316 368 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINY", pszContentsMinY);
2317 : pszContentsMaxX =
2318 368 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXX", pszContentsMaxX);
2319 : pszContentsMaxY =
2320 368 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXY", pszContentsMaxY);
2321 368 : if (pszContentsMinX != nullptr && pszContentsMinY != nullptr &&
2322 368 : pszContentsMaxX != nullptr && pszContentsMaxY != nullptr)
2323 : {
2324 735 : if (CPLAtof(pszContentsMinX) < CPLAtof(pszContentsMaxX) &&
2325 367 : CPLAtof(pszContentsMinY) < CPLAtof(pszContentsMaxY))
2326 : {
2327 367 : dfGDALMinX = CPLAtof(pszContentsMinX);
2328 367 : dfGDALMinY = CPLAtof(pszContentsMinY);
2329 367 : dfGDALMaxX = CPLAtof(pszContentsMaxX);
2330 367 : dfGDALMaxY = CPLAtof(pszContentsMaxY);
2331 : }
2332 : else
2333 : {
2334 1 : CPLError(CE_Warning, CPLE_AppDefined,
2335 : "Illegal min_x/min_y/max_x/max_y values for %s in open "
2336 : "options and/or gpkg_contents. Using bounds of "
2337 : "gpkg_tile_matrix_set instead",
2338 : pszTableName);
2339 : }
2340 : }
2341 368 : if (dfGDALMinX >= dfGDALMaxX || dfGDALMinY >= dfGDALMaxY)
2342 : {
2343 0 : CPLError(CE_Failure, CPLE_AppDefined,
2344 : "Illegal min_x/min_y/max_x/max_y values for %s", pszTableName);
2345 0 : return false;
2346 : }
2347 :
2348 368 : int nBandCount = 0;
2349 : const char *pszBAND_COUNT =
2350 368 : CSLFetchNameValue(papszOpenOptionsIn, "BAND_COUNT");
2351 368 : if (poParentDS)
2352 : {
2353 86 : nBandCount = poParentDS->GetRasterCount();
2354 : }
2355 282 : else if (m_eDT != GDT_UInt8)
2356 : {
2357 65 : if (pszBAND_COUNT != nullptr && !EQUAL(pszBAND_COUNT, "AUTO") &&
2358 0 : !EQUAL(pszBAND_COUNT, "1"))
2359 : {
2360 0 : CPLError(CE_Warning, CPLE_AppDefined,
2361 : "BAND_COUNT ignored for non-Byte data");
2362 : }
2363 65 : nBandCount = 1;
2364 : }
2365 : else
2366 : {
2367 217 : if (pszBAND_COUNT != nullptr && !EQUAL(pszBAND_COUNT, "AUTO"))
2368 : {
2369 69 : nBandCount = atoi(pszBAND_COUNT);
2370 69 : if (nBandCount == 1)
2371 5 : GetMetadata("IMAGE_STRUCTURE");
2372 : }
2373 : else
2374 : {
2375 148 : GetMetadata("IMAGE_STRUCTURE");
2376 148 : nBandCount = m_nBandCountFromMetadata;
2377 148 : if (nBandCount == 1)
2378 46 : m_eTF = GPKG_TF_PNG;
2379 : }
2380 217 : if (nBandCount == 1 && !m_osTFFromMetadata.empty())
2381 : {
2382 2 : m_eTF = GDALGPKGMBTilesGetTileFormat(m_osTFFromMetadata.c_str());
2383 : }
2384 217 : if (nBandCount <= 0 || nBandCount > 4)
2385 88 : nBandCount = 4;
2386 : }
2387 :
2388 368 : return InitRaster(poParentDS, pszTableName, nZoomLevel, nBandCount, dfMinX,
2389 : dfMaxY, dfPixelXSize, dfPixelYSize, nTileWidth,
2390 : nTileHeight, nTileMatrixWidth, nTileMatrixHeight,
2391 368 : dfGDALMinX, dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
2392 : }
2393 :
2394 : /************************************************************************/
2395 : /* ComputeTileAndPixelShifts() */
2396 : /************************************************************************/
2397 :
2398 803 : bool GDALGeoPackageDataset::ComputeTileAndPixelShifts()
2399 : {
2400 : int nTileWidth, nTileHeight;
2401 803 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2402 :
2403 : // Compute shift between GDAL origin and TileMatrixSet origin
2404 803 : const double dfShiftXPixels = (m_gt[0] - m_dfTMSMinX) / m_gt[1];
2405 803 : if (!(dfShiftXPixels / nTileWidth >= INT_MIN &&
2406 800 : dfShiftXPixels / nTileWidth < INT_MAX))
2407 : {
2408 3 : return false;
2409 : }
2410 800 : const int64_t nShiftXPixels =
2411 800 : static_cast<int64_t>(floor(0.5 + dfShiftXPixels));
2412 800 : m_nShiftXTiles = static_cast<int>(nShiftXPixels / nTileWidth);
2413 800 : if (nShiftXPixels < 0 && (nShiftXPixels % nTileWidth) != 0)
2414 11 : m_nShiftXTiles--;
2415 800 : m_nShiftXPixelsMod =
2416 800 : (static_cast<int>(nShiftXPixels % nTileWidth) + nTileWidth) %
2417 : nTileWidth;
2418 :
2419 800 : const double dfShiftYPixels = (m_gt[3] - m_dfTMSMaxY) / m_gt[5];
2420 800 : if (!(dfShiftYPixels / nTileHeight >= INT_MIN &&
2421 800 : dfShiftYPixels / nTileHeight < INT_MAX))
2422 : {
2423 1 : return false;
2424 : }
2425 799 : const int64_t nShiftYPixels =
2426 799 : static_cast<int64_t>(floor(0.5 + dfShiftYPixels));
2427 799 : m_nShiftYTiles = static_cast<int>(nShiftYPixels / nTileHeight);
2428 799 : if (nShiftYPixels < 0 && (nShiftYPixels % nTileHeight) != 0)
2429 11 : m_nShiftYTiles--;
2430 799 : m_nShiftYPixelsMod =
2431 799 : (static_cast<int>(nShiftYPixels % nTileHeight) + nTileHeight) %
2432 : nTileHeight;
2433 799 : return true;
2434 : }
2435 :
2436 : /************************************************************************/
2437 : /* AllocCachedTiles() */
2438 : /************************************************************************/
2439 :
2440 799 : bool GDALGeoPackageDataset::AllocCachedTiles()
2441 : {
2442 : int nTileWidth, nTileHeight;
2443 799 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2444 :
2445 : // We currently need 4 caches because of
2446 : // GDALGPKGMBTilesLikePseudoDataset::ReadTile(int nRow, int nCol)
2447 799 : const int nCacheCount = 4;
2448 : /*
2449 : (m_nShiftXPixelsMod != 0 || m_nShiftYPixelsMod != 0) ? 4 :
2450 : (GetUpdate() && m_eDT == GDT_UInt8) ? 2 : 1;
2451 : */
2452 799 : m_pabyCachedTiles = static_cast<GByte *>(VSI_MALLOC3_VERBOSE(
2453 : cpl::fits_on<int>(nCacheCount * (m_eDT == GDT_UInt8 ? 4 : 1) *
2454 : m_nDTSize),
2455 : nTileWidth, nTileHeight));
2456 799 : if (m_pabyCachedTiles == nullptr)
2457 : {
2458 0 : CPLError(CE_Failure, CPLE_AppDefined, "Too big tiles: %d x %d",
2459 : nTileWidth, nTileHeight);
2460 0 : return false;
2461 : }
2462 :
2463 799 : return true;
2464 : }
2465 :
2466 : /************************************************************************/
2467 : /* InitRaster() */
2468 : /************************************************************************/
2469 :
2470 612 : bool GDALGeoPackageDataset::InitRaster(
2471 : GDALGeoPackageDataset *poParentDS, const char *pszTableName, int nZoomLevel,
2472 : int nBandCount, double dfTMSMinX, double dfTMSMaxY, double dfPixelXSize,
2473 : double dfPixelYSize, int nTileWidth, int nTileHeight, int nTileMatrixWidth,
2474 : int nTileMatrixHeight, double dfGDALMinX, double dfGDALMinY,
2475 : double dfGDALMaxX, double dfGDALMaxY)
2476 : {
2477 612 : m_osRasterTable = pszTableName;
2478 612 : m_dfTMSMinX = dfTMSMinX;
2479 612 : m_dfTMSMaxY = dfTMSMaxY;
2480 612 : m_nZoomLevel = nZoomLevel;
2481 612 : m_nTileMatrixWidth = nTileMatrixWidth;
2482 612 : m_nTileMatrixHeight = nTileMatrixHeight;
2483 :
2484 612 : m_bGeoTransformValid = true;
2485 612 : m_gt[0] = dfGDALMinX;
2486 612 : m_gt[1] = dfPixelXSize;
2487 612 : m_gt[3] = dfGDALMaxY;
2488 612 : m_gt[5] = -dfPixelYSize;
2489 612 : double dfRasterXSize = 0.5 + (dfGDALMaxX - dfGDALMinX) / dfPixelXSize;
2490 612 : double dfRasterYSize = 0.5 + (dfGDALMaxY - dfGDALMinY) / dfPixelYSize;
2491 612 : if (dfRasterXSize > INT_MAX || dfRasterYSize > INT_MAX)
2492 : {
2493 0 : CPLError(CE_Failure, CPLE_NotSupported, "Too big raster: %f x %f",
2494 : dfRasterXSize, dfRasterYSize);
2495 0 : return false;
2496 : }
2497 612 : nRasterXSize = std::max(1, static_cast<int>(dfRasterXSize));
2498 612 : nRasterYSize = std::max(1, static_cast<int>(dfRasterYSize));
2499 :
2500 612 : if (poParentDS)
2501 : {
2502 330 : m_poParentDS = poParentDS;
2503 330 : eAccess = poParentDS->eAccess;
2504 330 : hDB = poParentDS->hDB;
2505 330 : m_eTF = poParentDS->m_eTF;
2506 330 : m_eDT = poParentDS->m_eDT;
2507 330 : m_nDTSize = poParentDS->m_nDTSize;
2508 330 : m_dfScale = poParentDS->m_dfScale;
2509 330 : m_dfOffset = poParentDS->m_dfOffset;
2510 330 : m_dfPrecision = poParentDS->m_dfPrecision;
2511 330 : m_usGPKGNull = poParentDS->m_usGPKGNull;
2512 330 : m_nQuality = poParentDS->m_nQuality;
2513 330 : m_nZLevel = poParentDS->m_nZLevel;
2514 330 : m_bDither = poParentDS->m_bDither;
2515 : /*m_nSRID = poParentDS->m_nSRID;*/
2516 330 : m_osWHERE = poParentDS->m_osWHERE;
2517 330 : SetDescription(CPLSPrintf("%s - zoom_level=%d",
2518 330 : poParentDS->GetDescription(), m_nZoomLevel));
2519 : }
2520 :
2521 2130 : for (int i = 1; i <= nBandCount; i++)
2522 : {
2523 : auto poNewBand = std::make_unique<GDALGeoPackageRasterBand>(
2524 1518 : this, nTileWidth, nTileHeight);
2525 1518 : if (poParentDS)
2526 : {
2527 766 : int bHasNoData = FALSE;
2528 : double dfNoDataValue =
2529 766 : poParentDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
2530 766 : if (bHasNoData)
2531 24 : poNewBand->SetNoDataValueInternal(dfNoDataValue);
2532 : }
2533 :
2534 1518 : if (nBandCount == 1 && m_poCTFromMetadata)
2535 : {
2536 3 : poNewBand->AssignColorTable(m_poCTFromMetadata.get());
2537 : }
2538 1518 : if (!m_osNodataValueFromMetadata.empty())
2539 : {
2540 8 : poNewBand->SetNoDataValueInternal(
2541 : CPLAtof(m_osNodataValueFromMetadata.c_str()));
2542 : }
2543 :
2544 1518 : SetBand(i, std::move(poNewBand));
2545 : }
2546 :
2547 612 : if (!ComputeTileAndPixelShifts())
2548 : {
2549 3 : CPLError(CE_Failure, CPLE_AppDefined,
2550 : "Overflow occurred in ComputeTileAndPixelShifts()");
2551 3 : return false;
2552 : }
2553 :
2554 609 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL", "IMAGE_STRUCTURE");
2555 609 : GDALPamDataset::SetMetadataItem("ZOOM_LEVEL",
2556 : CPLSPrintf("%d", m_nZoomLevel));
2557 :
2558 609 : return AllocCachedTiles();
2559 : }
2560 :
2561 : /************************************************************************/
2562 : /* GDALGPKGMBTilesGetTileFormat() */
2563 : /************************************************************************/
2564 :
2565 80 : GPKGTileFormat GDALGPKGMBTilesGetTileFormat(const char *pszTF)
2566 : {
2567 80 : GPKGTileFormat eTF = GPKG_TF_PNG_JPEG;
2568 80 : if (pszTF)
2569 : {
2570 80 : if (EQUAL(pszTF, "PNG_JPEG") || EQUAL(pszTF, "AUTO"))
2571 1 : eTF = GPKG_TF_PNG_JPEG;
2572 79 : else if (EQUAL(pszTF, "PNG"))
2573 46 : eTF = GPKG_TF_PNG;
2574 33 : else if (EQUAL(pszTF, "PNG8"))
2575 6 : eTF = GPKG_TF_PNG8;
2576 27 : else if (EQUAL(pszTF, "JPEG"))
2577 14 : eTF = GPKG_TF_JPEG;
2578 13 : else if (EQUAL(pszTF, "WEBP"))
2579 13 : eTF = GPKG_TF_WEBP;
2580 : else
2581 : {
2582 0 : CPLError(CE_Failure, CPLE_NotSupported,
2583 : "Unsuppoted value for TILE_FORMAT: %s", pszTF);
2584 : }
2585 : }
2586 80 : return eTF;
2587 : }
2588 :
2589 28 : const char *GDALMBTilesGetTileFormatName(GPKGTileFormat eTF)
2590 : {
2591 28 : switch (eTF)
2592 : {
2593 26 : case GPKG_TF_PNG:
2594 : case GPKG_TF_PNG8:
2595 26 : return "png";
2596 1 : case GPKG_TF_JPEG:
2597 1 : return "jpg";
2598 1 : case GPKG_TF_WEBP:
2599 1 : return "webp";
2600 0 : default:
2601 0 : break;
2602 : }
2603 0 : CPLError(CE_Failure, CPLE_NotSupported,
2604 : "Unsuppoted value for TILE_FORMAT: %d", static_cast<int>(eTF));
2605 0 : return nullptr;
2606 : }
2607 :
2608 : /************************************************************************/
2609 : /* OpenRaster() */
2610 : /************************************************************************/
2611 :
2612 284 : bool GDALGeoPackageDataset::OpenRaster(
2613 : const char *pszTableName, const char *pszIdentifier,
2614 : const char *pszDescription, int nSRSId, double dfMinX, double dfMinY,
2615 : double dfMaxX, double dfMaxY, const char *pszContentsMinX,
2616 : const char *pszContentsMinY, const char *pszContentsMaxX,
2617 : const char *pszContentsMaxY, bool bIsTiles, CSLConstList papszOpenOptionsIn)
2618 : {
2619 284 : if (dfMinX >= dfMaxX || dfMinY >= dfMaxY)
2620 0 : return false;
2621 :
2622 : // Config option just for debug, and for example force set to NaN
2623 : // which is not supported
2624 568 : CPLString osDataNull = CPLGetConfigOption("GPKG_NODATA", "");
2625 568 : CPLString osUom;
2626 568 : CPLString osFieldName;
2627 568 : CPLString osGridCellEncoding;
2628 284 : if (!bIsTiles)
2629 : {
2630 65 : char *pszSQL = sqlite3_mprintf(
2631 : "SELECT datatype, scale, offset, data_null, precision FROM "
2632 : "gpkg_2d_gridded_coverage_ancillary "
2633 : "WHERE tile_matrix_set_name = '%q' "
2634 : "AND datatype IN ('integer', 'float')"
2635 : "AND (scale > 0 OR scale IS NULL)",
2636 : pszTableName);
2637 65 : auto oResult = SQLQuery(hDB, pszSQL);
2638 65 : sqlite3_free(pszSQL);
2639 65 : if (!oResult || oResult->RowCount() == 0)
2640 : {
2641 0 : return false;
2642 : }
2643 65 : const char *pszDataType = oResult->GetValue(0, 0);
2644 65 : const char *pszScale = oResult->GetValue(1, 0);
2645 65 : const char *pszOffset = oResult->GetValue(2, 0);
2646 65 : const char *pszDataNull = oResult->GetValue(3, 0);
2647 65 : const char *pszPrecision = oResult->GetValue(4, 0);
2648 65 : if (pszDataNull)
2649 23 : osDataNull = pszDataNull;
2650 65 : if (EQUAL(pszDataType, "float"))
2651 : {
2652 6 : SetDataType(GDT_Float32);
2653 6 : m_eTF = GPKG_TF_TIFF_32BIT_FLOAT;
2654 : }
2655 : else
2656 : {
2657 59 : SetDataType(GDT_Float32);
2658 59 : m_eTF = GPKG_TF_PNG_16BIT;
2659 59 : const double dfScale = pszScale ? CPLAtof(pszScale) : 1.0;
2660 59 : const double dfOffset = pszOffset ? CPLAtof(pszOffset) : 0.0;
2661 59 : if (dfScale == 1.0)
2662 : {
2663 59 : if (dfOffset == 0.0)
2664 : {
2665 24 : SetDataType(GDT_UInt16);
2666 : }
2667 35 : else if (dfOffset == -32768.0)
2668 : {
2669 35 : SetDataType(GDT_Int16);
2670 : }
2671 : // coverity[tainted_data]
2672 0 : else if (dfOffset == -32767.0 && !osDataNull.empty() &&
2673 0 : CPLAtof(osDataNull) == 65535.0)
2674 : // Given that we will map the nodata value to -32768
2675 : {
2676 0 : SetDataType(GDT_Int16);
2677 : }
2678 : }
2679 :
2680 : // Check that the tile offset and scales are compatible of a
2681 : // final integer result.
2682 59 : if (m_eDT != GDT_Float32)
2683 : {
2684 : // coverity[tainted_data]
2685 59 : if (dfScale == 1.0 && dfOffset == -32768.0 &&
2686 118 : !osDataNull.empty() && CPLAtof(osDataNull) == 65535.0)
2687 : {
2688 : // Given that we will map the nodata value to -32768
2689 9 : pszSQL = sqlite3_mprintf(
2690 : "SELECT 1 FROM "
2691 : "gpkg_2d_gridded_tile_ancillary WHERE "
2692 : "tpudt_name = '%q' "
2693 : "AND NOT ((offset = 0.0 or offset = 1.0) "
2694 : "AND scale = 1.0) "
2695 : "LIMIT 1",
2696 : pszTableName);
2697 : }
2698 : else
2699 : {
2700 50 : pszSQL = sqlite3_mprintf(
2701 : "SELECT 1 FROM "
2702 : "gpkg_2d_gridded_tile_ancillary WHERE "
2703 : "tpudt_name = '%q' "
2704 : "AND NOT (offset = 0.0 AND scale = 1.0) LIMIT 1",
2705 : pszTableName);
2706 : }
2707 59 : sqlite3_stmt *hSQLStmt = nullptr;
2708 : int rc =
2709 59 : SQLPrepareWithError(hDB, pszSQL, -1, &hSQLStmt, nullptr);
2710 :
2711 59 : if (rc == SQLITE_OK)
2712 : {
2713 59 : if (sqlite3_step(hSQLStmt) == SQLITE_ROW)
2714 : {
2715 8 : SetDataType(GDT_Float32);
2716 : }
2717 59 : sqlite3_finalize(hSQLStmt);
2718 : }
2719 59 : sqlite3_free(pszSQL);
2720 : }
2721 :
2722 59 : SetGlobalOffsetScale(dfOffset, dfScale);
2723 : }
2724 65 : if (pszPrecision)
2725 65 : m_dfPrecision = CPLAtof(pszPrecision);
2726 :
2727 : // Request those columns in a separate query, so as to keep
2728 : // compatibility with pre OGC 17-066r1 databases
2729 : pszSQL =
2730 65 : sqlite3_mprintf("SELECT uom, field_name, grid_cell_encoding FROM "
2731 : "gpkg_2d_gridded_coverage_ancillary "
2732 : "WHERE tile_matrix_set_name = '%q'",
2733 : pszTableName);
2734 65 : CPLPushErrorHandler(CPLQuietErrorHandler);
2735 65 : oResult = SQLQuery(hDB, pszSQL);
2736 65 : CPLPopErrorHandler();
2737 65 : sqlite3_free(pszSQL);
2738 65 : if (oResult && oResult->RowCount() == 1)
2739 : {
2740 64 : const char *pszUom = oResult->GetValue(0, 0);
2741 64 : if (pszUom)
2742 2 : osUom = pszUom;
2743 64 : const char *pszFieldName = oResult->GetValue(1, 0);
2744 64 : if (pszFieldName)
2745 64 : osFieldName = pszFieldName;
2746 64 : const char *pszGridCellEncoding = oResult->GetValue(2, 0);
2747 64 : if (pszGridCellEncoding)
2748 64 : osGridCellEncoding = pszGridCellEncoding;
2749 : }
2750 : }
2751 :
2752 284 : m_bRecordInsertedInGPKGContent = true;
2753 284 : m_nSRID = nSRSId;
2754 :
2755 567 : if (auto poSRS = GetSpatialRef(nSRSId))
2756 : {
2757 283 : m_oSRS = *(poSRS.get());
2758 : }
2759 :
2760 : /* Various sanity checks added in the SELECT */
2761 284 : char *pszQuotedTableName = sqlite3_mprintf("'%q'", pszTableName);
2762 568 : CPLString osQuotedTableName(pszQuotedTableName);
2763 284 : sqlite3_free(pszQuotedTableName);
2764 284 : char *pszSQL = sqlite3_mprintf(
2765 : "SELECT zoom_level, pixel_x_size, pixel_y_size, tile_width, "
2766 : "tile_height, matrix_width, matrix_height "
2767 : "FROM gpkg_tile_matrix tm "
2768 : "WHERE table_name = %s "
2769 : // INT_MAX would be the theoretical maximum value to avoid
2770 : // overflows, but that's already a insane value.
2771 : "AND zoom_level >= 0 AND zoom_level <= 65536 "
2772 : "AND pixel_x_size > 0 AND pixel_y_size > 0 "
2773 : "AND tile_width >= 1 AND tile_width <= 65536 "
2774 : "AND tile_height >= 1 AND tile_height <= 65536 "
2775 : "AND matrix_width >= 1 AND matrix_height >= 1",
2776 : osQuotedTableName.c_str());
2777 568 : CPLString osSQL(pszSQL);
2778 : const char *pszZoomLevel =
2779 284 : CSLFetchNameValue(papszOpenOptionsIn, "ZOOM_LEVEL");
2780 284 : if (pszZoomLevel)
2781 : {
2782 5 : if (GetUpdate())
2783 1 : osSQL += CPLSPrintf(" AND zoom_level <= %d", atoi(pszZoomLevel));
2784 : else
2785 : {
2786 : osSQL += CPLSPrintf(
2787 : " AND (zoom_level = %d OR (zoom_level < %d AND EXISTS(SELECT 1 "
2788 : "FROM %s WHERE zoom_level = tm.zoom_level LIMIT 1)))",
2789 : atoi(pszZoomLevel), atoi(pszZoomLevel),
2790 4 : osQuotedTableName.c_str());
2791 : }
2792 : }
2793 : // In read-only mode, only lists non empty zoom levels
2794 279 : else if (!GetUpdate())
2795 : {
2796 : osSQL += CPLSPrintf(" AND EXISTS(SELECT 1 FROM %s WHERE zoom_level = "
2797 : "tm.zoom_level LIMIT 1)",
2798 225 : osQuotedTableName.c_str());
2799 : }
2800 : else // if( pszZoomLevel == nullptr )
2801 : {
2802 : osSQL +=
2803 : CPLSPrintf(" AND zoom_level <= (SELECT MAX(zoom_level) FROM %s)",
2804 54 : osQuotedTableName.c_str());
2805 : }
2806 284 : osSQL += " ORDER BY zoom_level DESC";
2807 : // To avoid denial of service.
2808 284 : osSQL += " LIMIT 100";
2809 :
2810 568 : auto oResult = SQLQuery(hDB, osSQL.c_str());
2811 284 : if (!oResult || oResult->RowCount() == 0)
2812 : {
2813 120 : if (oResult && oResult->RowCount() == 0 && pszContentsMinX != nullptr &&
2814 120 : pszContentsMinY != nullptr && pszContentsMaxX != nullptr &&
2815 : pszContentsMaxY != nullptr)
2816 : {
2817 59 : osSQL = pszSQL;
2818 59 : osSQL += " ORDER BY zoom_level DESC";
2819 59 : if (!GetUpdate())
2820 33 : osSQL += " LIMIT 1";
2821 59 : oResult = SQLQuery(hDB, osSQL.c_str());
2822 : }
2823 60 : if (!oResult || oResult->RowCount() == 0)
2824 : {
2825 1 : if (oResult && pszZoomLevel != nullptr)
2826 : {
2827 1 : CPLError(CE_Failure, CPLE_AppDefined,
2828 : "ZOOM_LEVEL is probably not valid w.r.t tile "
2829 : "table content");
2830 : }
2831 1 : sqlite3_free(pszSQL);
2832 1 : return false;
2833 : }
2834 : }
2835 283 : sqlite3_free(pszSQL);
2836 :
2837 : // If USE_TILE_EXTENT=YES, then query the tile table to find which tiles
2838 : // actually exist.
2839 :
2840 : // CAUTION: Do not move those variables inside inner scope !
2841 566 : CPLString osContentsMinX, osContentsMinY, osContentsMaxX, osContentsMaxY;
2842 :
2843 283 : if (CPLTestBool(
2844 : CSLFetchNameValueDef(papszOpenOptionsIn, "USE_TILE_EXTENT", "NO")))
2845 : {
2846 13 : pszSQL = sqlite3_mprintf(
2847 : "SELECT MIN(tile_column), MIN(tile_row), MAX(tile_column), "
2848 : "MAX(tile_row) FROM \"%w\" WHERE zoom_level = %d",
2849 : pszTableName, atoi(oResult->GetValue(0, 0)));
2850 13 : auto oResult2 = SQLQuery(hDB, pszSQL);
2851 13 : sqlite3_free(pszSQL);
2852 26 : if (!oResult2 || oResult2->RowCount() == 0 ||
2853 : // Can happen if table is empty
2854 38 : oResult2->GetValue(0, 0) == nullptr ||
2855 : // Can happen if table has no NOT NULL constraint on tile_row
2856 : // and that all tile_row are NULL
2857 12 : oResult2->GetValue(1, 0) == nullptr)
2858 : {
2859 1 : return false;
2860 : }
2861 12 : const double dfPixelXSize = CPLAtof(oResult->GetValue(1, 0));
2862 12 : const double dfPixelYSize = CPLAtof(oResult->GetValue(2, 0));
2863 12 : const int nTileWidth = atoi(oResult->GetValue(3, 0));
2864 12 : const int nTileHeight = atoi(oResult->GetValue(4, 0));
2865 : osContentsMinX =
2866 24 : CPLSPrintf("%.17g", dfMinX + dfPixelXSize * nTileWidth *
2867 12 : atoi(oResult2->GetValue(0, 0)));
2868 : osContentsMaxY =
2869 24 : CPLSPrintf("%.17g", dfMaxY - dfPixelYSize * nTileHeight *
2870 12 : atoi(oResult2->GetValue(1, 0)));
2871 : osContentsMaxX = CPLSPrintf(
2872 24 : "%.17g", dfMinX + dfPixelXSize * nTileWidth *
2873 12 : (1 + atoi(oResult2->GetValue(2, 0))));
2874 : osContentsMinY = CPLSPrintf(
2875 24 : "%.17g", dfMaxY - dfPixelYSize * nTileHeight *
2876 12 : (1 + atoi(oResult2->GetValue(3, 0))));
2877 12 : pszContentsMinX = osContentsMinX.c_str();
2878 12 : pszContentsMinY = osContentsMinY.c_str();
2879 12 : pszContentsMaxX = osContentsMaxX.c_str();
2880 12 : pszContentsMaxY = osContentsMaxY.c_str();
2881 : }
2882 :
2883 282 : if (!InitRaster(nullptr, pszTableName, dfMinX, dfMinY, dfMaxX, dfMaxY,
2884 : pszContentsMinX, pszContentsMinY, pszContentsMaxX,
2885 282 : pszContentsMaxY, papszOpenOptionsIn, *oResult, 0))
2886 : {
2887 3 : return false;
2888 : }
2889 :
2890 279 : auto poBand = cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(1));
2891 279 : if (!osDataNull.empty())
2892 : {
2893 23 : double dfGPKGNoDataValue = CPLAtof(osDataNull);
2894 23 : if (m_eTF == GPKG_TF_PNG_16BIT)
2895 : {
2896 21 : if (dfGPKGNoDataValue < 0 || dfGPKGNoDataValue > 65535 ||
2897 21 : static_cast<int>(dfGPKGNoDataValue) != dfGPKGNoDataValue)
2898 : {
2899 0 : CPLError(CE_Warning, CPLE_AppDefined,
2900 : "data_null = %.17g is invalid for integer data_type",
2901 : dfGPKGNoDataValue);
2902 : }
2903 : else
2904 : {
2905 21 : m_usGPKGNull = static_cast<GUInt16>(dfGPKGNoDataValue);
2906 21 : if (m_eDT == GDT_Int16 && m_usGPKGNull > 32767)
2907 9 : dfGPKGNoDataValue = -32768.0;
2908 12 : else if (m_eDT == GDT_Float32)
2909 : {
2910 : // Pick a value that is unlikely to be hit with offset &
2911 : // scale
2912 4 : dfGPKGNoDataValue = -std::numeric_limits<float>::max();
2913 : }
2914 21 : poBand->SetNoDataValueInternal(dfGPKGNoDataValue);
2915 : }
2916 : }
2917 : else
2918 : {
2919 2 : poBand->SetNoDataValueInternal(
2920 2 : static_cast<float>(dfGPKGNoDataValue));
2921 : }
2922 : }
2923 279 : if (!osUom.empty())
2924 : {
2925 2 : poBand->SetUnitTypeInternal(osUom);
2926 : }
2927 279 : if (!osFieldName.empty())
2928 : {
2929 64 : GetRasterBand(1)->GDALRasterBand::SetDescription(osFieldName);
2930 : }
2931 279 : if (!osGridCellEncoding.empty())
2932 : {
2933 64 : if (osGridCellEncoding == "grid-value-is-center")
2934 : {
2935 15 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2936 : GDALMD_AOP_POINT);
2937 : }
2938 49 : else if (osGridCellEncoding == "grid-value-is-area")
2939 : {
2940 45 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2941 : GDALMD_AOP_AREA);
2942 : }
2943 : else
2944 : {
2945 4 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2946 : GDALMD_AOP_POINT);
2947 4 : GetRasterBand(1)->GDALRasterBand::SetMetadataItem(
2948 : "GRID_CELL_ENCODING", osGridCellEncoding);
2949 : }
2950 : }
2951 :
2952 279 : CheckUnknownExtensions(true);
2953 :
2954 : // Do this after CheckUnknownExtensions() so that m_eTF is set to
2955 : // GPKG_TF_WEBP if the table already registers the gpkg_webp extension
2956 279 : const char *pszTF = CSLFetchNameValue(papszOpenOptionsIn, "TILE_FORMAT");
2957 279 : if (pszTF)
2958 : {
2959 4 : if (!GetUpdate())
2960 : {
2961 0 : CPLError(CE_Warning, CPLE_AppDefined,
2962 : "TILE_FORMAT open option ignored in read-only mode");
2963 : }
2964 4 : else if (m_eTF == GPKG_TF_PNG_16BIT ||
2965 4 : m_eTF == GPKG_TF_TIFF_32BIT_FLOAT)
2966 : {
2967 0 : CPLError(CE_Warning, CPLE_AppDefined,
2968 : "TILE_FORMAT open option ignored on gridded coverages");
2969 : }
2970 : else
2971 : {
2972 4 : GPKGTileFormat eTF = GDALGPKGMBTilesGetTileFormat(pszTF);
2973 4 : if (eTF == GPKG_TF_WEBP && m_eTF != eTF)
2974 : {
2975 1 : if (!RegisterWebPExtension())
2976 0 : return false;
2977 : }
2978 4 : m_eTF = eTF;
2979 : }
2980 : }
2981 :
2982 279 : ParseCompressionOptions(papszOpenOptionsIn);
2983 :
2984 279 : m_osWHERE = CSLFetchNameValueDef(papszOpenOptionsIn, "WHERE", "");
2985 :
2986 : // Set metadata
2987 279 : if (pszIdentifier && pszIdentifier[0])
2988 279 : GDALPamDataset::SetMetadataItem("IDENTIFIER", pszIdentifier);
2989 279 : if (pszDescription && pszDescription[0])
2990 21 : GDALPamDataset::SetMetadataItem("DESCRIPTION", pszDescription);
2991 :
2992 : // Add overviews
2993 364 : for (int i = 1; i < oResult->RowCount(); i++)
2994 : {
2995 86 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
2996 86 : poOvrDS->ShareLockWithParentDataset(this);
2997 172 : if (!poOvrDS->InitRaster(this, pszTableName, dfMinX, dfMinY, dfMaxX,
2998 : dfMaxY, pszContentsMinX, pszContentsMinY,
2999 : pszContentsMaxX, pszContentsMaxY,
3000 86 : papszOpenOptionsIn, *oResult, i))
3001 : {
3002 0 : break;
3003 : }
3004 :
3005 : int nTileWidth, nTileHeight;
3006 86 : poOvrDS->GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3007 : const bool bStop =
3008 87 : (eAccess == GA_ReadOnly && poOvrDS->GetRasterXSize() < nTileWidth &&
3009 1 : poOvrDS->GetRasterYSize() < nTileHeight);
3010 :
3011 86 : m_apoOverviewDS.push_back(std::move(poOvrDS));
3012 :
3013 86 : if (bStop)
3014 : {
3015 1 : break;
3016 : }
3017 : }
3018 :
3019 279 : return true;
3020 : }
3021 :
3022 : /************************************************************************/
3023 : /* GetSpatialRef() */
3024 : /************************************************************************/
3025 :
3026 17 : const OGRSpatialReference *GDALGeoPackageDataset::GetSpatialRef() const
3027 : {
3028 17 : if (GetLayerCount())
3029 1 : return GDALDataset::GetSpatialRef();
3030 16 : return GetSpatialRefRasterOnly();
3031 : }
3032 :
3033 : /************************************************************************/
3034 : /* GetSpatialRefRasterOnly() */
3035 : /************************************************************************/
3036 :
3037 : const OGRSpatialReference *
3038 17 : GDALGeoPackageDataset::GetSpatialRefRasterOnly() const
3039 :
3040 : {
3041 17 : return m_oSRS.IsEmpty() ? nullptr : &m_oSRS;
3042 : }
3043 :
3044 : /************************************************************************/
3045 : /* SetSpatialRef() */
3046 : /************************************************************************/
3047 :
3048 156 : CPLErr GDALGeoPackageDataset::SetSpatialRef(const OGRSpatialReference *poSRS)
3049 : {
3050 156 : if (nBands == 0)
3051 : {
3052 1 : CPLError(CE_Failure, CPLE_NotSupported,
3053 : "SetProjection() not supported on a dataset with 0 band");
3054 1 : return CE_Failure;
3055 : }
3056 155 : if (eAccess != GA_Update)
3057 : {
3058 1 : CPLError(CE_Failure, CPLE_NotSupported,
3059 : "SetProjection() not supported on read-only dataset");
3060 1 : return CE_Failure;
3061 : }
3062 :
3063 154 : const int nSRID = GetSrsId(poSRS);
3064 308 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3065 154 : if (poTS && nSRID != poTS->nEPSGCode)
3066 : {
3067 2 : CPLError(CE_Failure, CPLE_NotSupported,
3068 : "Projection should be EPSG:%d for %s tiling scheme",
3069 1 : poTS->nEPSGCode, m_osTilingScheme.c_str());
3070 1 : return CE_Failure;
3071 : }
3072 :
3073 153 : m_nSRID = nSRID;
3074 153 : m_oSRS.Clear();
3075 153 : if (poSRS)
3076 152 : m_oSRS = *poSRS;
3077 :
3078 153 : if (m_bRecordInsertedInGPKGContent)
3079 : {
3080 122 : char *pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET srs_id = %d "
3081 : "WHERE lower(table_name) = lower('%q')",
3082 : m_nSRID, m_osRasterTable.c_str());
3083 122 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3084 122 : sqlite3_free(pszSQL);
3085 122 : if (eErr != OGRERR_NONE)
3086 0 : return CE_Failure;
3087 :
3088 122 : pszSQL = sqlite3_mprintf("UPDATE gpkg_tile_matrix_set SET srs_id = %d "
3089 : "WHERE lower(table_name) = lower('%q')",
3090 : m_nSRID, m_osRasterTable.c_str());
3091 122 : eErr = SQLCommand(hDB, pszSQL);
3092 122 : sqlite3_free(pszSQL);
3093 122 : if (eErr != OGRERR_NONE)
3094 0 : return CE_Failure;
3095 : }
3096 :
3097 153 : return CE_None;
3098 : }
3099 :
3100 : /************************************************************************/
3101 : /* GetGeoTransform() */
3102 : /************************************************************************/
3103 :
3104 33 : CPLErr GDALGeoPackageDataset::GetGeoTransform(GDALGeoTransform >) const
3105 : {
3106 33 : gt = m_gt;
3107 33 : if (!m_bGeoTransformValid)
3108 2 : return CE_Failure;
3109 : else
3110 31 : return CE_None;
3111 : }
3112 :
3113 : /************************************************************************/
3114 : /* SetGeoTransform() */
3115 : /************************************************************************/
3116 :
3117 196 : CPLErr GDALGeoPackageDataset::SetGeoTransform(const GDALGeoTransform >)
3118 : {
3119 196 : if (nBands == 0)
3120 : {
3121 2 : CPLError(CE_Failure, CPLE_NotSupported,
3122 : "SetGeoTransform() not supported on a dataset with 0 band");
3123 2 : return CE_Failure;
3124 : }
3125 194 : if (eAccess != GA_Update)
3126 : {
3127 1 : CPLError(CE_Failure, CPLE_NotSupported,
3128 : "SetGeoTransform() not supported on read-only dataset");
3129 1 : return CE_Failure;
3130 : }
3131 193 : if (m_bGeoTransformValid)
3132 : {
3133 1 : CPLError(CE_Failure, CPLE_NotSupported,
3134 : "Cannot modify geotransform once set");
3135 1 : return CE_Failure;
3136 : }
3137 192 : if (gt[2] != 0.0 || gt[4] != 0 || gt[5] > 0.0)
3138 : {
3139 0 : CPLError(CE_Failure, CPLE_NotSupported,
3140 : "Only north-up non rotated geotransform supported");
3141 0 : return CE_Failure;
3142 : }
3143 :
3144 192 : if (m_nZoomLevel < 0)
3145 : {
3146 191 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3147 191 : if (poTS)
3148 : {
3149 20 : double dfPixelXSizeZoomLevel0 = poTS->dfPixelXSizeZoomLevel0;
3150 20 : double dfPixelYSizeZoomLevel0 = poTS->dfPixelYSizeZoomLevel0;
3151 199 : for (m_nZoomLevel = 0; m_nZoomLevel < MAX_ZOOM_LEVEL;
3152 179 : m_nZoomLevel++)
3153 : {
3154 198 : double dfExpectedPixelXSize =
3155 198 : dfPixelXSizeZoomLevel0 / (1 << m_nZoomLevel);
3156 198 : double dfExpectedPixelYSize =
3157 198 : dfPixelYSizeZoomLevel0 / (1 << m_nZoomLevel);
3158 198 : if (fabs(gt[1] - dfExpectedPixelXSize) <
3159 217 : 1e-8 * dfExpectedPixelXSize &&
3160 19 : fabs(fabs(gt[5]) - dfExpectedPixelYSize) <
3161 19 : 1e-8 * dfExpectedPixelYSize)
3162 : {
3163 19 : break;
3164 : }
3165 : }
3166 20 : if (m_nZoomLevel == MAX_ZOOM_LEVEL)
3167 : {
3168 1 : m_nZoomLevel = -1;
3169 1 : CPLError(
3170 : CE_Failure, CPLE_NotSupported,
3171 : "Could not find an appropriate zoom level of %s tiling "
3172 : "scheme that matches raster pixel size",
3173 : m_osTilingScheme.c_str());
3174 1 : return CE_Failure;
3175 : }
3176 : }
3177 : }
3178 :
3179 191 : m_gt = gt;
3180 191 : m_bGeoTransformValid = true;
3181 :
3182 191 : return FinalizeRasterRegistration();
3183 : }
3184 :
3185 : /************************************************************************/
3186 : /* FinalizeRasterRegistration() */
3187 : /************************************************************************/
3188 :
3189 191 : CPLErr GDALGeoPackageDataset::FinalizeRasterRegistration()
3190 : {
3191 : OGRErr eErr;
3192 :
3193 191 : m_dfTMSMinX = m_gt[0];
3194 191 : m_dfTMSMaxY = m_gt[3];
3195 :
3196 : int nTileWidth, nTileHeight;
3197 191 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3198 :
3199 191 : if (m_nZoomLevel < 0)
3200 : {
3201 171 : m_nZoomLevel = 0;
3202 250 : while ((nRasterXSize >> m_nZoomLevel) > nTileWidth ||
3203 171 : (nRasterYSize >> m_nZoomLevel) > nTileHeight)
3204 79 : m_nZoomLevel++;
3205 : }
3206 :
3207 191 : double dfPixelXSizeZoomLevel0 = m_gt[1] * (1 << m_nZoomLevel);
3208 191 : double dfPixelYSizeZoomLevel0 = fabs(m_gt[5]) * (1 << m_nZoomLevel);
3209 : int nTileXCountZoomLevel0 =
3210 191 : std::max(1, DIV_ROUND_UP((nRasterXSize >> m_nZoomLevel), nTileWidth));
3211 : int nTileYCountZoomLevel0 =
3212 191 : std::max(1, DIV_ROUND_UP((nRasterYSize >> m_nZoomLevel), nTileHeight));
3213 :
3214 382 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3215 191 : if (poTS)
3216 : {
3217 20 : CPLAssert(m_nZoomLevel >= 0);
3218 20 : m_dfTMSMinX = poTS->dfMinX;
3219 20 : m_dfTMSMaxY = poTS->dfMaxY;
3220 20 : dfPixelXSizeZoomLevel0 = poTS->dfPixelXSizeZoomLevel0;
3221 20 : dfPixelYSizeZoomLevel0 = poTS->dfPixelYSizeZoomLevel0;
3222 20 : nTileXCountZoomLevel0 = poTS->nTileXCountZoomLevel0;
3223 20 : nTileYCountZoomLevel0 = poTS->nTileYCountZoomLevel0;
3224 : }
3225 191 : m_nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << m_nZoomLevel);
3226 191 : m_nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << m_nZoomLevel);
3227 :
3228 191 : if (!ComputeTileAndPixelShifts())
3229 : {
3230 1 : CPLError(CE_Failure, CPLE_AppDefined,
3231 : "Overflow occurred in ComputeTileAndPixelShifts()");
3232 1 : return CE_Failure;
3233 : }
3234 :
3235 190 : if (!AllocCachedTiles())
3236 : {
3237 0 : return CE_Failure;
3238 : }
3239 :
3240 190 : double dfGDALMinX = m_gt[0];
3241 190 : double dfGDALMinY = m_gt[3] + nRasterYSize * m_gt[5];
3242 190 : double dfGDALMaxX = m_gt[0] + nRasterXSize * m_gt[1];
3243 190 : double dfGDALMaxY = m_gt[3];
3244 :
3245 190 : if (SoftStartTransaction() != OGRERR_NONE)
3246 0 : return CE_Failure;
3247 :
3248 : const char *pszCurrentDate =
3249 190 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3250 : CPLString osInsertGpkgContentsFormatting(
3251 : "INSERT INTO gpkg_contents "
3252 : "(table_name,data_type,identifier,description,min_x,min_y,max_x,max_y,"
3253 : "last_change,srs_id) VALUES "
3254 380 : "('%q','%q','%q','%q',%.17g,%.17g,%.17g,%.17g,");
3255 190 : osInsertGpkgContentsFormatting += (pszCurrentDate) ? "'%q'" : "%s";
3256 190 : osInsertGpkgContentsFormatting += ",%d)";
3257 380 : char *pszSQL = sqlite3_mprintf(
3258 : osInsertGpkgContentsFormatting.c_str(), m_osRasterTable.c_str(),
3259 190 : (m_eDT == GDT_UInt8) ? "tiles" : "2d-gridded-coverage",
3260 : m_osIdentifier.c_str(), m_osDescription.c_str(), dfGDALMinX, dfGDALMinY,
3261 : dfGDALMaxX, dfGDALMaxY,
3262 : pszCurrentDate ? pszCurrentDate
3263 : : "strftime('%Y-%m-%dT%H:%M:%fZ','now')",
3264 : m_nSRID);
3265 :
3266 190 : eErr = SQLCommand(hDB, pszSQL);
3267 190 : sqlite3_free(pszSQL);
3268 190 : if (eErr != OGRERR_NONE)
3269 : {
3270 8 : SoftRollbackTransaction();
3271 8 : return CE_Failure;
3272 : }
3273 :
3274 182 : double dfTMSMaxX = m_dfTMSMinX + nTileXCountZoomLevel0 * nTileWidth *
3275 : dfPixelXSizeZoomLevel0;
3276 182 : double dfTMSMinY = m_dfTMSMaxY - nTileYCountZoomLevel0 * nTileHeight *
3277 : dfPixelYSizeZoomLevel0;
3278 :
3279 : pszSQL =
3280 182 : sqlite3_mprintf("INSERT INTO gpkg_tile_matrix_set "
3281 : "(table_name,srs_id,min_x,min_y,max_x,max_y) VALUES "
3282 : "('%q',%d,%.17g,%.17g,%.17g,%.17g)",
3283 : m_osRasterTable.c_str(), m_nSRID, m_dfTMSMinX,
3284 : dfTMSMinY, dfTMSMaxX, m_dfTMSMaxY);
3285 182 : eErr = SQLCommand(hDB, pszSQL);
3286 182 : sqlite3_free(pszSQL);
3287 182 : if (eErr != OGRERR_NONE)
3288 : {
3289 0 : SoftRollbackTransaction();
3290 0 : return CE_Failure;
3291 : }
3292 :
3293 182 : m_apoOverviewDS.resize(m_nZoomLevel);
3294 :
3295 604 : for (int i = 0; i <= m_nZoomLevel; i++)
3296 : {
3297 422 : double dfPixelXSizeZoomLevel = 0.0;
3298 422 : double dfPixelYSizeZoomLevel = 0.0;
3299 422 : int nTileMatrixWidth = 0;
3300 422 : int nTileMatrixHeight = 0;
3301 422 : if (EQUAL(m_osTilingScheme, "CUSTOM"))
3302 : {
3303 241 : dfPixelXSizeZoomLevel = m_gt[1] * (1 << (m_nZoomLevel - i));
3304 241 : dfPixelYSizeZoomLevel = fabs(m_gt[5]) * (1 << (m_nZoomLevel - i));
3305 : }
3306 : else
3307 : {
3308 181 : dfPixelXSizeZoomLevel = dfPixelXSizeZoomLevel0 / (1 << i);
3309 181 : dfPixelYSizeZoomLevel = dfPixelYSizeZoomLevel0 / (1 << i);
3310 : }
3311 422 : nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << i);
3312 422 : nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << i);
3313 :
3314 422 : pszSQL = sqlite3_mprintf(
3315 : "INSERT INTO gpkg_tile_matrix "
3316 : "(table_name,zoom_level,matrix_width,matrix_height,tile_width,tile_"
3317 : "height,pixel_x_size,pixel_y_size) VALUES "
3318 : "('%q',%d,%d,%d,%d,%d,%.17g,%.17g)",
3319 : m_osRasterTable.c_str(), i, nTileMatrixWidth, nTileMatrixHeight,
3320 : nTileWidth, nTileHeight, dfPixelXSizeZoomLevel,
3321 : dfPixelYSizeZoomLevel);
3322 422 : eErr = SQLCommand(hDB, pszSQL);
3323 422 : sqlite3_free(pszSQL);
3324 422 : if (eErr != OGRERR_NONE)
3325 : {
3326 0 : SoftRollbackTransaction();
3327 0 : return CE_Failure;
3328 : }
3329 :
3330 422 : if (i < m_nZoomLevel)
3331 : {
3332 480 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3333 240 : poOvrDS->ShareLockWithParentDataset(this);
3334 240 : poOvrDS->InitRaster(this, m_osRasterTable, i, nBands, m_dfTMSMinX,
3335 : m_dfTMSMaxY, dfPixelXSizeZoomLevel,
3336 : dfPixelYSizeZoomLevel, nTileWidth, nTileHeight,
3337 : nTileMatrixWidth, nTileMatrixHeight, dfGDALMinX,
3338 : dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
3339 :
3340 240 : m_apoOverviewDS[m_nZoomLevel - 1 - i] = std::move(poOvrDS);
3341 : }
3342 : }
3343 :
3344 182 : if (!m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.empty())
3345 : {
3346 40 : eErr = SQLCommand(
3347 : hDB, m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.c_str());
3348 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.clear();
3349 40 : if (eErr != OGRERR_NONE)
3350 : {
3351 0 : SoftRollbackTransaction();
3352 0 : return CE_Failure;
3353 : }
3354 : }
3355 :
3356 182 : SoftCommitTransaction();
3357 :
3358 182 : m_apoOverviewDS.resize(m_nZoomLevel);
3359 182 : m_bRecordInsertedInGPKGContent = true;
3360 :
3361 182 : return CE_None;
3362 : }
3363 :
3364 : /************************************************************************/
3365 : /* FlushCache() */
3366 : /************************************************************************/
3367 :
3368 3041 : CPLErr GDALGeoPackageDataset::FlushCache(bool bAtClosing)
3369 : {
3370 3041 : if (m_bInFlushCache)
3371 0 : return CE_None;
3372 :
3373 3041 : if (eAccess == GA_Update || !m_bMetadataDirty)
3374 : {
3375 3038 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3376 : }
3377 :
3378 3041 : if (m_bRemoveOGREmptyTable)
3379 : {
3380 852 : m_bRemoveOGREmptyTable = false;
3381 852 : RemoveOGREmptyTable();
3382 : }
3383 :
3384 3041 : CPLErr eErr = IFlushCacheWithErrCode(bAtClosing);
3385 :
3386 3041 : FlushMetadata();
3387 :
3388 3041 : if (eAccess == GA_Update || !m_bMetadataDirty)
3389 : {
3390 : // Needed again as above IFlushCacheWithErrCode()
3391 : // may have call GDALGeoPackageRasterBand::InvalidateStatistics()
3392 : // which modifies metadata
3393 3041 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3394 : }
3395 :
3396 3041 : return eErr;
3397 : }
3398 :
3399 5305 : CPLErr GDALGeoPackageDataset::IFlushCacheWithErrCode(bool bAtClosing)
3400 :
3401 : {
3402 5305 : if (m_bInFlushCache)
3403 2197 : return CE_None;
3404 3108 : m_bInFlushCache = true;
3405 3108 : if (hDB && eAccess == GA_ReadOnly && bAtClosing)
3406 : {
3407 : // Clean-up metadata that will go to PAM by removing items that
3408 : // are reconstructed.
3409 2278 : CPLStringList aosMD;
3410 1789 : for (CSLConstList papszIter = GetMetadata(); papszIter && *papszIter;
3411 : ++papszIter)
3412 : {
3413 650 : char *pszKey = nullptr;
3414 650 : CPLParseNameValue(*papszIter, &pszKey);
3415 1300 : if (pszKey &&
3416 650 : (EQUAL(pszKey, "AREA_OR_POINT") ||
3417 497 : EQUAL(pszKey, "IDENTIFIER") || EQUAL(pszKey, "DESCRIPTION") ||
3418 266 : EQUAL(pszKey, "ZOOM_LEVEL") ||
3419 680 : STARTS_WITH(pszKey, "GPKG_METADATA_ITEM_")))
3420 : {
3421 : // remove it
3422 : }
3423 : else
3424 : {
3425 30 : aosMD.AddString(*papszIter);
3426 : }
3427 650 : CPLFree(pszKey);
3428 : }
3429 1139 : oMDMD.SetMetadata(aosMD.List());
3430 1139 : oMDMD.SetMetadata(nullptr, "IMAGE_STRUCTURE");
3431 :
3432 2278 : GDALPamDataset::FlushCache(bAtClosing);
3433 : }
3434 : else
3435 : {
3436 : // Short circuit GDALPamDataset to avoid serialization to .aux.xml
3437 1969 : GDALDataset::FlushCache(bAtClosing);
3438 : }
3439 :
3440 7514 : for (auto &poLayer : m_apoLayers)
3441 : {
3442 4406 : poLayer->RunDeferredCreationIfNecessary();
3443 4406 : poLayer->CreateSpatialIndexIfNecessary();
3444 : }
3445 :
3446 : // Update raster table last_change column in gpkg_contents if needed
3447 3108 : if (m_bHasModifiedTiles)
3448 : {
3449 542 : for (int i = 1; i <= nBands; ++i)
3450 : {
3451 : auto poBand =
3452 360 : cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(i));
3453 360 : if (!poBand->HaveStatsMetadataBeenSetInThisSession())
3454 : {
3455 346 : poBand->InvalidateStatistics();
3456 346 : if (psPam && psPam->pszPamFilename)
3457 346 : VSIUnlink(psPam->pszPamFilename);
3458 : }
3459 : }
3460 :
3461 182 : UpdateGpkgContentsLastChange(m_osRasterTable);
3462 :
3463 182 : m_bHasModifiedTiles = false;
3464 : }
3465 :
3466 3108 : CPLErr eErr = FlushTiles();
3467 :
3468 3108 : m_bInFlushCache = false;
3469 3108 : return eErr;
3470 : }
3471 :
3472 : /************************************************************************/
3473 : /* GetCurrentDateEscapedSQL() */
3474 : /************************************************************************/
3475 :
3476 2310 : std::string GDALGeoPackageDataset::GetCurrentDateEscapedSQL()
3477 : {
3478 : const char *pszCurrentDate =
3479 2310 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3480 2310 : if (pszCurrentDate)
3481 10 : return '\'' + SQLEscapeLiteral(pszCurrentDate) + '\'';
3482 2305 : return "strftime('%Y-%m-%dT%H:%M:%fZ','now')";
3483 : }
3484 :
3485 : /************************************************************************/
3486 : /* UpdateGpkgContentsLastChange() */
3487 : /************************************************************************/
3488 :
3489 : OGRErr
3490 991 : GDALGeoPackageDataset::UpdateGpkgContentsLastChange(const char *pszTableName)
3491 : {
3492 : char *pszSQL =
3493 991 : sqlite3_mprintf("UPDATE gpkg_contents SET "
3494 : "last_change = %s "
3495 : "WHERE lower(table_name) = lower('%q')",
3496 1982 : GetCurrentDateEscapedSQL().c_str(), pszTableName);
3497 991 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3498 991 : sqlite3_free(pszSQL);
3499 991 : return eErr;
3500 : }
3501 :
3502 : /************************************************************************/
3503 : /* IBuildOverviews() */
3504 : /************************************************************************/
3505 :
3506 20 : CPLErr GDALGeoPackageDataset::IBuildOverviews(
3507 : const char *pszResampling, int nOverviews, const int *panOverviewList,
3508 : int nBandsIn, const int * /*panBandList*/, GDALProgressFunc pfnProgress,
3509 : void *pProgressData, CSLConstList papszOptions)
3510 : {
3511 20 : if (GetAccess() != GA_Update)
3512 : {
3513 1 : CPLError(CE_Failure, CPLE_NotSupported,
3514 : "Overview building not supported on a database opened in "
3515 : "read-only mode");
3516 1 : return CE_Failure;
3517 : }
3518 19 : if (m_poParentDS != nullptr)
3519 : {
3520 1 : CPLError(CE_Failure, CPLE_NotSupported,
3521 : "Overview building not supported on overview dataset");
3522 1 : return CE_Failure;
3523 : }
3524 :
3525 18 : if (nOverviews == 0)
3526 : {
3527 5 : for (auto &poOvrDS : m_apoOverviewDS)
3528 3 : poOvrDS->FlushCache(false);
3529 :
3530 2 : SoftStartTransaction();
3531 :
3532 2 : if (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT)
3533 : {
3534 1 : char *pszSQL = sqlite3_mprintf(
3535 : "DELETE FROM gpkg_2d_gridded_tile_ancillary WHERE id IN "
3536 : "(SELECT y.id FROM \"%w\" x "
3537 : "JOIN gpkg_2d_gridded_tile_ancillary y "
3538 : "ON x.id = y.tpudt_id AND y.tpudt_name = '%q' AND "
3539 : "x.zoom_level < %d)",
3540 : m_osRasterTable.c_str(), m_osRasterTable.c_str(), m_nZoomLevel);
3541 1 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3542 1 : sqlite3_free(pszSQL);
3543 1 : if (eErr != OGRERR_NONE)
3544 : {
3545 0 : SoftRollbackTransaction();
3546 0 : return CE_Failure;
3547 : }
3548 : }
3549 :
3550 : char *pszSQL =
3551 2 : sqlite3_mprintf("DELETE FROM \"%w\" WHERE zoom_level < %d",
3552 : m_osRasterTable.c_str(), m_nZoomLevel);
3553 2 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3554 2 : sqlite3_free(pszSQL);
3555 2 : if (eErr != OGRERR_NONE)
3556 : {
3557 0 : SoftRollbackTransaction();
3558 0 : return CE_Failure;
3559 : }
3560 :
3561 2 : SoftCommitTransaction();
3562 :
3563 2 : return CE_None;
3564 : }
3565 :
3566 16 : if (nBandsIn != nBands)
3567 : {
3568 0 : CPLError(CE_Failure, CPLE_NotSupported,
3569 : "Generation of overviews in GPKG only"
3570 : "supported when operating on all bands.");
3571 0 : return CE_Failure;
3572 : }
3573 :
3574 16 : if (m_apoOverviewDS.empty())
3575 : {
3576 0 : CPLError(CE_Failure, CPLE_AppDefined,
3577 : "Image too small to support overviews");
3578 0 : return CE_Failure;
3579 : }
3580 :
3581 16 : FlushCache(false);
3582 60 : for (int i = 0; i < nOverviews; i++)
3583 : {
3584 47 : if (panOverviewList[i] < 2)
3585 : {
3586 1 : CPLError(CE_Failure, CPLE_IllegalArg,
3587 : "Overview factor must be >= 2");
3588 1 : return CE_Failure;
3589 : }
3590 :
3591 46 : bool bFound = false;
3592 46 : int jCandidate = -1;
3593 46 : int nMaxOvFactor = 0;
3594 196 : for (int j = 0; j < static_cast<int>(m_apoOverviewDS.size()); j++)
3595 : {
3596 190 : const auto poODS = m_apoOverviewDS[j].get();
3597 : const int nOvFactor =
3598 190 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3599 :
3600 190 : nMaxOvFactor = nOvFactor;
3601 :
3602 190 : if (nOvFactor == panOverviewList[i])
3603 : {
3604 40 : bFound = true;
3605 40 : break;
3606 : }
3607 :
3608 150 : if (jCandidate < 0 && nOvFactor > panOverviewList[i])
3609 1 : jCandidate = j;
3610 : }
3611 :
3612 46 : if (!bFound)
3613 : {
3614 : /* Mostly for debug */
3615 6 : if (!CPLTestBool(CPLGetConfigOption(
3616 : "ALLOW_GPKG_ZOOM_OTHER_EXTENSION", "YES")))
3617 : {
3618 2 : CPLString osOvrList;
3619 4 : for (const auto &poODS : m_apoOverviewDS)
3620 : {
3621 : const int nOvFactor =
3622 2 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3623 :
3624 2 : if (!osOvrList.empty())
3625 0 : osOvrList += ' ';
3626 2 : osOvrList += CPLSPrintf("%d", nOvFactor);
3627 : }
3628 2 : CPLError(CE_Failure, CPLE_NotSupported,
3629 : "Only overviews %s can be computed",
3630 : osOvrList.c_str());
3631 2 : return CE_Failure;
3632 : }
3633 : else
3634 : {
3635 4 : int nOvFactor = panOverviewList[i];
3636 4 : if (jCandidate < 0)
3637 3 : jCandidate = static_cast<int>(m_apoOverviewDS.size());
3638 :
3639 4 : int nOvXSize = std::max(1, GetRasterXSize() / nOvFactor);
3640 4 : int nOvYSize = std::max(1, GetRasterYSize() / nOvFactor);
3641 4 : if (!(jCandidate == static_cast<int>(m_apoOverviewDS.size()) &&
3642 5 : nOvFactor == 2 * nMaxOvFactor) &&
3643 1 : !m_bZoomOther)
3644 : {
3645 1 : CPLError(CE_Warning, CPLE_AppDefined,
3646 : "Use of overview factor %d causes gpkg_zoom_other "
3647 : "extension to be needed",
3648 : nOvFactor);
3649 1 : RegisterZoomOtherExtension();
3650 1 : m_bZoomOther = true;
3651 : }
3652 :
3653 4 : SoftStartTransaction();
3654 :
3655 4 : CPLAssert(jCandidate > 0);
3656 : const int nNewZoomLevel =
3657 4 : m_apoOverviewDS[jCandidate - 1]->m_nZoomLevel;
3658 :
3659 : char *pszSQL;
3660 : OGRErr eErr;
3661 24 : for (int k = 0; k <= jCandidate; k++)
3662 : {
3663 60 : pszSQL = sqlite3_mprintf(
3664 : "UPDATE gpkg_tile_matrix SET zoom_level = %d "
3665 : "WHERE lower(table_name) = lower('%q') AND zoom_level "
3666 : "= %d",
3667 20 : m_nZoomLevel - k + 1, m_osRasterTable.c_str(),
3668 20 : m_nZoomLevel - k);
3669 20 : eErr = SQLCommand(hDB, pszSQL);
3670 20 : sqlite3_free(pszSQL);
3671 20 : if (eErr != OGRERR_NONE)
3672 : {
3673 0 : SoftRollbackTransaction();
3674 0 : return CE_Failure;
3675 : }
3676 :
3677 : pszSQL =
3678 20 : sqlite3_mprintf("UPDATE \"%w\" SET zoom_level = %d "
3679 : "WHERE zoom_level = %d",
3680 : m_osRasterTable.c_str(),
3681 20 : m_nZoomLevel - k + 1, m_nZoomLevel - k);
3682 20 : eErr = SQLCommand(hDB, pszSQL);
3683 20 : sqlite3_free(pszSQL);
3684 20 : if (eErr != OGRERR_NONE)
3685 : {
3686 0 : SoftRollbackTransaction();
3687 0 : return CE_Failure;
3688 : }
3689 : }
3690 :
3691 4 : double dfGDALMinX = m_gt[0];
3692 4 : double dfGDALMinY = m_gt[3] + nRasterYSize * m_gt[5];
3693 4 : double dfGDALMaxX = m_gt[0] + nRasterXSize * m_gt[1];
3694 4 : double dfGDALMaxY = m_gt[3];
3695 4 : double dfPixelXSizeZoomLevel = m_gt[1] * nOvFactor;
3696 4 : double dfPixelYSizeZoomLevel = fabs(m_gt[5]) * nOvFactor;
3697 : int nTileWidth, nTileHeight;
3698 4 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3699 4 : int nTileMatrixWidth = DIV_ROUND_UP(nOvXSize, nTileWidth);
3700 4 : int nTileMatrixHeight = DIV_ROUND_UP(nOvYSize, nTileHeight);
3701 4 : pszSQL = sqlite3_mprintf(
3702 : "INSERT INTO gpkg_tile_matrix "
3703 : "(table_name,zoom_level,matrix_width,matrix_height,tile_"
3704 : "width,tile_height,pixel_x_size,pixel_y_size) VALUES "
3705 : "('%q',%d,%d,%d,%d,%d,%.17g,%.17g)",
3706 : m_osRasterTable.c_str(), nNewZoomLevel, nTileMatrixWidth,
3707 : nTileMatrixHeight, nTileWidth, nTileHeight,
3708 : dfPixelXSizeZoomLevel, dfPixelYSizeZoomLevel);
3709 4 : eErr = SQLCommand(hDB, pszSQL);
3710 4 : sqlite3_free(pszSQL);
3711 4 : if (eErr != OGRERR_NONE)
3712 : {
3713 0 : SoftRollbackTransaction();
3714 0 : return CE_Failure;
3715 : }
3716 :
3717 4 : SoftCommitTransaction();
3718 :
3719 4 : m_nZoomLevel++; /* this change our zoom level as well as
3720 : previous overviews */
3721 20 : for (int k = 0; k < jCandidate; k++)
3722 16 : m_apoOverviewDS[k]->m_nZoomLevel++;
3723 :
3724 4 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3725 4 : poOvrDS->ShareLockWithParentDataset(this);
3726 4 : poOvrDS->InitRaster(
3727 : this, m_osRasterTable, nNewZoomLevel, nBands, m_dfTMSMinX,
3728 : m_dfTMSMaxY, dfPixelXSizeZoomLevel, dfPixelYSizeZoomLevel,
3729 : nTileWidth, nTileHeight, nTileMatrixWidth,
3730 : nTileMatrixHeight, dfGDALMinX, dfGDALMinY, dfGDALMaxX,
3731 : dfGDALMaxY);
3732 4 : m_apoOverviewDS.insert(m_apoOverviewDS.begin() + jCandidate,
3733 8 : std::move(poOvrDS));
3734 : }
3735 : }
3736 : }
3737 :
3738 : GDALRasterBand ***papapoOverviewBands = static_cast<GDALRasterBand ***>(
3739 13 : CPLCalloc(sizeof(GDALRasterBand **), nBands));
3740 13 : CPLErr eErr = CE_None;
3741 49 : for (int iBand = 0; eErr == CE_None && iBand < nBands; iBand++)
3742 : {
3743 72 : papapoOverviewBands[iBand] = static_cast<GDALRasterBand **>(
3744 36 : CPLCalloc(sizeof(GDALRasterBand *), nOverviews));
3745 36 : int iCurOverview = 0;
3746 185 : for (int i = 0; i < nOverviews; i++)
3747 : {
3748 149 : bool bFound = false;
3749 724 : for (const auto &poODS : m_apoOverviewDS)
3750 : {
3751 : const int nOvFactor =
3752 724 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3753 :
3754 724 : if (nOvFactor == panOverviewList[i])
3755 : {
3756 298 : papapoOverviewBands[iBand][iCurOverview] =
3757 149 : poODS->GetRasterBand(iBand + 1);
3758 149 : iCurOverview++;
3759 149 : bFound = true;
3760 149 : break;
3761 : }
3762 : }
3763 149 : if (!bFound)
3764 : {
3765 0 : CPLError(CE_Failure, CPLE_AppDefined,
3766 : "Could not find dataset corresponding to ov factor %d",
3767 0 : panOverviewList[i]);
3768 0 : eErr = CE_Failure;
3769 : }
3770 : }
3771 36 : if (eErr == CE_None)
3772 : {
3773 36 : CPLAssert(iCurOverview == nOverviews);
3774 : }
3775 : }
3776 :
3777 13 : if (eErr == CE_None)
3778 13 : eErr = GDALRegenerateOverviewsMultiBand(
3779 13 : nBands, papoBands, nOverviews, papapoOverviewBands, pszResampling,
3780 : pfnProgress, pProgressData, papszOptions);
3781 :
3782 49 : for (int iBand = 0; iBand < nBands; iBand++)
3783 : {
3784 36 : CPLFree(papapoOverviewBands[iBand]);
3785 : }
3786 13 : CPLFree(papapoOverviewBands);
3787 :
3788 13 : return eErr;
3789 : }
3790 :
3791 : /************************************************************************/
3792 : /* GetFileList() */
3793 : /************************************************************************/
3794 :
3795 38 : char **GDALGeoPackageDataset::GetFileList()
3796 : {
3797 38 : TryLoadXML();
3798 38 : return GDALPamDataset::GetFileList();
3799 : }
3800 :
3801 : /************************************************************************/
3802 : /* GetMetadataDomainList() */
3803 : /************************************************************************/
3804 :
3805 47 : char **GDALGeoPackageDataset::GetMetadataDomainList()
3806 : {
3807 47 : GetMetadata();
3808 47 : if (!m_osRasterTable.empty())
3809 5 : GetMetadata("GEOPACKAGE");
3810 47 : return BuildMetadataDomainList(GDALPamDataset::GetMetadataDomainList(),
3811 47 : TRUE, "SUBDATASETS", nullptr);
3812 : }
3813 :
3814 : /************************************************************************/
3815 : /* CheckMetadataDomain() */
3816 : /************************************************************************/
3817 :
3818 6417 : const char *GDALGeoPackageDataset::CheckMetadataDomain(const char *pszDomain)
3819 : {
3820 6603 : if (pszDomain != nullptr && EQUAL(pszDomain, "GEOPACKAGE") &&
3821 186 : m_osRasterTable.empty())
3822 : {
3823 4 : CPLError(
3824 : CE_Warning, CPLE_IllegalArg,
3825 : "Using GEOPACKAGE for a non-raster geopackage is not supported. "
3826 : "Using default domain instead");
3827 4 : return nullptr;
3828 : }
3829 6413 : return pszDomain;
3830 : }
3831 :
3832 : /************************************************************************/
3833 : /* HasMetadataTables() */
3834 : /************************************************************************/
3835 :
3836 6125 : bool GDALGeoPackageDataset::HasMetadataTables() const
3837 : {
3838 6125 : if (m_nHasMetadataTables < 0)
3839 : {
3840 : const int nCount =
3841 2354 : SQLGetInteger(hDB,
3842 : "SELECT COUNT(*) FROM sqlite_master WHERE name IN "
3843 : "('gpkg_metadata', 'gpkg_metadata_reference') "
3844 : "AND type IN ('table', 'view')",
3845 : nullptr);
3846 2354 : m_nHasMetadataTables = nCount == 2;
3847 : }
3848 6125 : return CPL_TO_BOOL(m_nHasMetadataTables);
3849 : }
3850 :
3851 : /************************************************************************/
3852 : /* HasDataColumnsTable() */
3853 : /************************************************************************/
3854 :
3855 1362 : bool GDALGeoPackageDataset::HasDataColumnsTable() const
3856 : {
3857 2724 : const int nCount = SQLGetInteger(
3858 1362 : hDB,
3859 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_data_columns'"
3860 : "AND type IN ('table', 'view')",
3861 : nullptr);
3862 1362 : return nCount == 1;
3863 : }
3864 :
3865 : /************************************************************************/
3866 : /* HasDataColumnConstraintsTable() */
3867 : /************************************************************************/
3868 :
3869 168 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTable() const
3870 : {
3871 168 : const int nCount = SQLGetInteger(hDB,
3872 : "SELECT 1 FROM sqlite_master WHERE name = "
3873 : "'gpkg_data_column_constraints'"
3874 : "AND type IN ('table', 'view')",
3875 : nullptr);
3876 168 : return nCount == 1;
3877 : }
3878 :
3879 : /************************************************************************/
3880 : /* HasDataColumnConstraintsTableGPKG_1_0() */
3881 : /************************************************************************/
3882 :
3883 111 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTableGPKG_1_0() const
3884 : {
3885 111 : if (m_nApplicationId != GP10_APPLICATION_ID)
3886 109 : return false;
3887 : // In GPKG 1.0, the columns were named minIsInclusive, maxIsInclusive
3888 : // They were changed in 1.1 to min_is_inclusive, max_is_inclusive
3889 2 : bool bRet = false;
3890 2 : sqlite3_stmt *hSQLStmt = nullptr;
3891 2 : int rc = sqlite3_prepare_v2(hDB,
3892 : "SELECT minIsInclusive, maxIsInclusive FROM "
3893 : "gpkg_data_column_constraints",
3894 : -1, &hSQLStmt, nullptr);
3895 2 : if (rc == SQLITE_OK)
3896 : {
3897 2 : bRet = true;
3898 2 : sqlite3_finalize(hSQLStmt);
3899 : }
3900 2 : return bRet;
3901 : }
3902 :
3903 : /************************************************************************/
3904 : /* CreateColumnsTableAndColumnConstraintsTablesIfNecessary() */
3905 : /************************************************************************/
3906 :
3907 53 : bool GDALGeoPackageDataset::
3908 : CreateColumnsTableAndColumnConstraintsTablesIfNecessary()
3909 : {
3910 53 : if (!HasDataColumnsTable())
3911 : {
3912 : // Geopackage < 1.3 had
3913 : // CONSTRAINT fk_gdc_tn FOREIGN KEY (table_name) REFERENCES
3914 : // gpkg_contents(table_name) instead of the unique constraint.
3915 13 : if (OGRERR_NONE !=
3916 13 : SQLCommand(
3917 : GetDB(),
3918 : "CREATE TABLE gpkg_data_columns ("
3919 : "table_name TEXT NOT NULL,"
3920 : "column_name TEXT NOT NULL,"
3921 : "name TEXT,"
3922 : "title TEXT,"
3923 : "description TEXT,"
3924 : "mime_type TEXT,"
3925 : "constraint_name TEXT,"
3926 : "CONSTRAINT pk_gdc PRIMARY KEY (table_name, column_name),"
3927 : "CONSTRAINT gdc_tn UNIQUE (table_name, name));"))
3928 : {
3929 0 : return false;
3930 : }
3931 : }
3932 53 : if (!HasDataColumnConstraintsTable())
3933 : {
3934 28 : const char *min_is_inclusive = m_nApplicationId != GP10_APPLICATION_ID
3935 14 : ? "min_is_inclusive"
3936 : : "minIsInclusive";
3937 28 : const char *max_is_inclusive = m_nApplicationId != GP10_APPLICATION_ID
3938 14 : ? "max_is_inclusive"
3939 : : "maxIsInclusive";
3940 :
3941 : const std::string osSQL(
3942 : CPLSPrintf("CREATE TABLE gpkg_data_column_constraints ("
3943 : "constraint_name TEXT NOT NULL,"
3944 : "constraint_type TEXT NOT NULL,"
3945 : "value TEXT,"
3946 : "min NUMERIC,"
3947 : "%s BOOLEAN,"
3948 : "max NUMERIC,"
3949 : "%s BOOLEAN,"
3950 : "description TEXT,"
3951 : "CONSTRAINT gdcc_ntv UNIQUE (constraint_name, "
3952 : "constraint_type, value));",
3953 14 : min_is_inclusive, max_is_inclusive));
3954 14 : if (OGRERR_NONE != SQLCommand(GetDB(), osSQL.c_str()))
3955 : {
3956 0 : return false;
3957 : }
3958 : }
3959 53 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
3960 : {
3961 0 : return false;
3962 : }
3963 53 : if (SQLGetInteger(GetDB(),
3964 : "SELECT 1 FROM gpkg_extensions WHERE "
3965 : "table_name = 'gpkg_data_columns'",
3966 53 : nullptr) != 1)
3967 : {
3968 14 : if (OGRERR_NONE !=
3969 14 : SQLCommand(
3970 : GetDB(),
3971 : "INSERT INTO gpkg_extensions "
3972 : "(table_name,column_name,extension_name,definition,scope) "
3973 : "VALUES ('gpkg_data_columns', NULL, 'gpkg_schema', "
3974 : "'http://www.geopackage.org/spec121/#extension_schema', "
3975 : "'read-write')"))
3976 : {
3977 0 : return false;
3978 : }
3979 : }
3980 53 : if (SQLGetInteger(GetDB(),
3981 : "SELECT 1 FROM gpkg_extensions WHERE "
3982 : "table_name = 'gpkg_data_column_constraints'",
3983 53 : nullptr) != 1)
3984 : {
3985 14 : if (OGRERR_NONE !=
3986 14 : SQLCommand(
3987 : GetDB(),
3988 : "INSERT INTO gpkg_extensions "
3989 : "(table_name,column_name,extension_name,definition,scope) "
3990 : "VALUES ('gpkg_data_column_constraints', NULL, 'gpkg_schema', "
3991 : "'http://www.geopackage.org/spec121/#extension_schema', "
3992 : "'read-write')"))
3993 : {
3994 0 : return false;
3995 : }
3996 : }
3997 :
3998 53 : return true;
3999 : }
4000 :
4001 : /************************************************************************/
4002 : /* HasGpkgextRelationsTable() */
4003 : /************************************************************************/
4004 :
4005 1395 : bool GDALGeoPackageDataset::HasGpkgextRelationsTable() const
4006 : {
4007 2790 : const int nCount = SQLGetInteger(
4008 1395 : hDB,
4009 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkgext_relations'"
4010 : "AND type IN ('table', 'view')",
4011 : nullptr);
4012 1395 : return nCount == 1;
4013 : }
4014 :
4015 : /************************************************************************/
4016 : /* CreateRelationsTableIfNecessary() */
4017 : /************************************************************************/
4018 :
4019 11 : bool GDALGeoPackageDataset::CreateRelationsTableIfNecessary()
4020 : {
4021 11 : if (HasGpkgextRelationsTable())
4022 : {
4023 6 : return true;
4024 : }
4025 :
4026 5 : if (OGRERR_NONE !=
4027 5 : SQLCommand(GetDB(), "CREATE TABLE gpkgext_relations ("
4028 : "id INTEGER PRIMARY KEY AUTOINCREMENT,"
4029 : "base_table_name TEXT NOT NULL,"
4030 : "base_primary_column TEXT NOT NULL DEFAULT 'id',"
4031 : "related_table_name TEXT NOT NULL,"
4032 : "related_primary_column TEXT NOT NULL DEFAULT 'id',"
4033 : "relation_name TEXT NOT NULL,"
4034 : "mapping_table_name TEXT NOT NULL UNIQUE);"))
4035 : {
4036 0 : return false;
4037 : }
4038 :
4039 5 : return true;
4040 : }
4041 :
4042 : /************************************************************************/
4043 : /* HasQGISLayerStyles() */
4044 : /************************************************************************/
4045 :
4046 11 : bool GDALGeoPackageDataset::HasQGISLayerStyles() const
4047 : {
4048 : // QGIS layer_styles extension:
4049 : // https://github.com/pka/qgpkg/blob/master/qgis_geopackage_extension.md
4050 11 : bool bRet = false;
4051 : const int nCount =
4052 11 : SQLGetInteger(hDB,
4053 : "SELECT 1 FROM sqlite_master WHERE name = 'layer_styles'"
4054 : "AND type = 'table'",
4055 : nullptr);
4056 11 : if (nCount == 1)
4057 : {
4058 1 : sqlite3_stmt *hSQLStmt = nullptr;
4059 2 : int rc = sqlite3_prepare_v2(
4060 1 : hDB, "SELECT f_table_name, f_geometry_column FROM layer_styles", -1,
4061 : &hSQLStmt, nullptr);
4062 1 : if (rc == SQLITE_OK)
4063 : {
4064 1 : bRet = true;
4065 1 : sqlite3_finalize(hSQLStmt);
4066 : }
4067 : }
4068 11 : return bRet;
4069 : }
4070 :
4071 : /************************************************************************/
4072 : /* GetMetadata() */
4073 : /************************************************************************/
4074 :
4075 4210 : CSLConstList GDALGeoPackageDataset::GetMetadata(const char *pszDomain)
4076 :
4077 : {
4078 4210 : pszDomain = CheckMetadataDomain(pszDomain);
4079 4210 : if (pszDomain != nullptr && EQUAL(pszDomain, "SUBDATASETS"))
4080 74 : return m_aosSubDatasets.List();
4081 :
4082 4136 : if (m_bHasReadMetadataFromStorage)
4083 1850 : return GDALPamDataset::GetMetadata(pszDomain);
4084 :
4085 2286 : m_bHasReadMetadataFromStorage = true;
4086 :
4087 2286 : TryLoadXML();
4088 :
4089 2286 : if (!HasMetadataTables())
4090 1746 : return GDALPamDataset::GetMetadata(pszDomain);
4091 :
4092 540 : char *pszSQL = nullptr;
4093 540 : if (!m_osRasterTable.empty())
4094 : {
4095 177 : pszSQL = sqlite3_mprintf(
4096 : "SELECT md.metadata, md.md_standard_uri, md.mime_type, "
4097 : "mdr.reference_scope FROM gpkg_metadata md "
4098 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4099 : "WHERE "
4100 : "(mdr.reference_scope = 'geopackage' OR "
4101 : "(mdr.reference_scope = 'table' AND lower(mdr.table_name) = "
4102 : "lower('%q'))) ORDER BY md.id "
4103 : "LIMIT 1000", // to avoid denial of service
4104 : m_osRasterTable.c_str());
4105 : }
4106 : else
4107 : {
4108 363 : pszSQL = sqlite3_mprintf(
4109 : "SELECT md.metadata, md.md_standard_uri, md.mime_type, "
4110 : "mdr.reference_scope FROM gpkg_metadata md "
4111 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4112 : "WHERE "
4113 : "mdr.reference_scope = 'geopackage' ORDER BY md.id "
4114 : "LIMIT 1000" // to avoid denial of service
4115 : );
4116 : }
4117 :
4118 1080 : auto oResult = SQLQuery(hDB, pszSQL);
4119 540 : sqlite3_free(pszSQL);
4120 540 : if (!oResult)
4121 : {
4122 0 : return GDALPamDataset::GetMetadata(pszDomain);
4123 : }
4124 :
4125 540 : char **papszMetadata = CSLDuplicate(GDALPamDataset::GetMetadata());
4126 :
4127 : /* GDAL metadata */
4128 737 : for (int i = 0; i < oResult->RowCount(); i++)
4129 : {
4130 197 : const char *pszMetadata = oResult->GetValue(0, i);
4131 197 : const char *pszMDStandardURI = oResult->GetValue(1, i);
4132 197 : const char *pszMimeType = oResult->GetValue(2, i);
4133 197 : const char *pszReferenceScope = oResult->GetValue(3, i);
4134 197 : if (pszMetadata && pszMDStandardURI && pszMimeType &&
4135 197 : pszReferenceScope && EQUAL(pszMDStandardURI, "http://gdal.org") &&
4136 181 : EQUAL(pszMimeType, "text/xml"))
4137 : {
4138 181 : CPLXMLNode *psXMLNode = CPLParseXMLString(pszMetadata);
4139 181 : if (psXMLNode)
4140 : {
4141 362 : GDALMultiDomainMetadata oLocalMDMD;
4142 181 : oLocalMDMD.XMLInit(psXMLNode, FALSE);
4143 347 : if (!m_osRasterTable.empty() &&
4144 166 : EQUAL(pszReferenceScope, "geopackage"))
4145 : {
4146 6 : oMDMD.SetMetadata(oLocalMDMD.GetMetadata(), "GEOPACKAGE");
4147 : }
4148 : else
4149 : {
4150 : papszMetadata =
4151 175 : CSLMerge(papszMetadata, oLocalMDMD.GetMetadata());
4152 175 : CSLConstList papszDomainList = oLocalMDMD.GetDomainList();
4153 175 : CSLConstList papszIter = papszDomainList;
4154 470 : while (papszIter && *papszIter)
4155 : {
4156 295 : if (EQUAL(*papszIter, "IMAGE_STRUCTURE"))
4157 : {
4158 : CSLConstList papszMD =
4159 133 : oLocalMDMD.GetMetadata(*papszIter);
4160 : const char *pszBAND_COUNT =
4161 133 : CSLFetchNameValue(papszMD, "BAND_COUNT");
4162 133 : if (pszBAND_COUNT)
4163 131 : m_nBandCountFromMetadata = atoi(pszBAND_COUNT);
4164 :
4165 : const char *pszCOLOR_TABLE =
4166 133 : CSLFetchNameValue(papszMD, "COLOR_TABLE");
4167 133 : if (pszCOLOR_TABLE)
4168 : {
4169 : const CPLStringList aosTokens(
4170 : CSLTokenizeString2(pszCOLOR_TABLE, "{,",
4171 26 : 0));
4172 13 : if ((aosTokens.size() % 4) == 0)
4173 : {
4174 13 : const int nColors = aosTokens.size() / 4;
4175 : m_poCTFromMetadata =
4176 13 : std::make_unique<GDALColorTable>();
4177 3341 : for (int iColor = 0; iColor < nColors;
4178 : ++iColor)
4179 : {
4180 : GDALColorEntry sEntry;
4181 3328 : sEntry.c1 = static_cast<short>(
4182 3328 : atoi(aosTokens[4 * iColor + 0]));
4183 3328 : sEntry.c2 = static_cast<short>(
4184 3328 : atoi(aosTokens[4 * iColor + 1]));
4185 3328 : sEntry.c3 = static_cast<short>(
4186 3328 : atoi(aosTokens[4 * iColor + 2]));
4187 3328 : sEntry.c4 = static_cast<short>(
4188 3328 : atoi(aosTokens[4 * iColor + 3]));
4189 3328 : m_poCTFromMetadata->SetColorEntry(
4190 : iColor, &sEntry);
4191 : }
4192 : }
4193 : }
4194 :
4195 : const char *pszTILE_FORMAT =
4196 133 : CSLFetchNameValue(papszMD, "TILE_FORMAT");
4197 133 : if (pszTILE_FORMAT)
4198 : {
4199 8 : m_osTFFromMetadata = pszTILE_FORMAT;
4200 8 : oMDMD.SetMetadataItem("TILE_FORMAT",
4201 : pszTILE_FORMAT,
4202 : "IMAGE_STRUCTURE");
4203 : }
4204 :
4205 : const char *pszNodataValue =
4206 133 : CSLFetchNameValue(papszMD, "NODATA_VALUE");
4207 133 : if (pszNodataValue)
4208 : {
4209 2 : m_osNodataValueFromMetadata = pszNodataValue;
4210 : }
4211 : }
4212 :
4213 162 : else if (!EQUAL(*papszIter, "") &&
4214 18 : !STARTS_WITH(*papszIter, "BAND_"))
4215 : {
4216 12 : oMDMD.SetMetadata(
4217 6 : oLocalMDMD.GetMetadata(*papszIter), *papszIter);
4218 : }
4219 295 : papszIter++;
4220 : }
4221 : }
4222 181 : CPLDestroyXMLNode(psXMLNode);
4223 : }
4224 : }
4225 : }
4226 :
4227 540 : GDALPamDataset::SetMetadata(papszMetadata);
4228 540 : CSLDestroy(papszMetadata);
4229 540 : papszMetadata = nullptr;
4230 :
4231 : /* Add non-GDAL metadata now */
4232 540 : int nNonGDALMDILocal = 1;
4233 540 : int nNonGDALMDIGeopackage = 1;
4234 737 : for (int i = 0; i < oResult->RowCount(); i++)
4235 : {
4236 197 : const char *pszMetadata = oResult->GetValue(0, i);
4237 197 : const char *pszMDStandardURI = oResult->GetValue(1, i);
4238 197 : const char *pszMimeType = oResult->GetValue(2, i);
4239 197 : const char *pszReferenceScope = oResult->GetValue(3, i);
4240 197 : if (pszMetadata == nullptr || pszMDStandardURI == nullptr ||
4241 197 : pszMimeType == nullptr || pszReferenceScope == nullptr)
4242 : {
4243 : // should not happen as there are NOT NULL constraints
4244 : // But a database could lack such NOT NULL constraints or have
4245 : // large values that would cause a memory allocation failure.
4246 0 : continue;
4247 : }
4248 197 : int bIsGPKGScope = EQUAL(pszReferenceScope, "geopackage");
4249 197 : if (EQUAL(pszMDStandardURI, "http://gdal.org") &&
4250 181 : EQUAL(pszMimeType, "text/xml"))
4251 181 : continue;
4252 :
4253 16 : if (!m_osRasterTable.empty() && bIsGPKGScope)
4254 : {
4255 8 : oMDMD.SetMetadataItem(
4256 : CPLSPrintf("GPKG_METADATA_ITEM_%d", nNonGDALMDIGeopackage),
4257 : pszMetadata, "GEOPACKAGE");
4258 8 : nNonGDALMDIGeopackage++;
4259 : }
4260 : /*else if( strcmp( pszMDStandardURI, "http://www.isotc211.org/2005/gmd"
4261 : ) == 0 && strcmp( pszMimeType, "text/xml" ) == 0 )
4262 : {
4263 : char* apszMD[2];
4264 : apszMD[0] = (char*)pszMetadata;
4265 : apszMD[1] = NULL;
4266 : oMDMD.SetMetadata(apszMD, "xml:MD_Metadata");
4267 : }*/
4268 : else
4269 : {
4270 8 : oMDMD.SetMetadataItem(
4271 : CPLSPrintf("GPKG_METADATA_ITEM_%d", nNonGDALMDILocal),
4272 : pszMetadata);
4273 8 : nNonGDALMDILocal++;
4274 : }
4275 : }
4276 :
4277 540 : return GDALPamDataset::GetMetadata(pszDomain);
4278 : }
4279 :
4280 : /************************************************************************/
4281 : /* WriteMetadata() */
4282 : /************************************************************************/
4283 :
4284 770 : void GDALGeoPackageDataset::WriteMetadata(
4285 : CPLXMLNode *psXMLNode, /* will be destroyed by the method */
4286 : const char *pszTableName)
4287 : {
4288 770 : const bool bIsEmpty = (psXMLNode == nullptr);
4289 770 : if (!HasMetadataTables())
4290 : {
4291 565 : if (bIsEmpty || !CreateMetadataTables())
4292 : {
4293 259 : CPLDestroyXMLNode(psXMLNode);
4294 259 : return;
4295 : }
4296 : }
4297 :
4298 511 : char *pszXML = nullptr;
4299 511 : if (!bIsEmpty)
4300 : {
4301 : CPLXMLNode *psMasterXMLNode =
4302 356 : CPLCreateXMLNode(nullptr, CXT_Element, "GDALMultiDomainMetadata");
4303 356 : psMasterXMLNode->psChild = psXMLNode;
4304 356 : pszXML = CPLSerializeXMLTree(psMasterXMLNode);
4305 356 : CPLDestroyXMLNode(psMasterXMLNode);
4306 : }
4307 : // cppcheck-suppress uselessAssignmentPtrArg
4308 511 : psXMLNode = nullptr;
4309 :
4310 511 : char *pszSQL = nullptr;
4311 511 : if (pszTableName && pszTableName[0] != '\0')
4312 : {
4313 364 : pszSQL = sqlite3_mprintf(
4314 : "SELECT md.id FROM gpkg_metadata md "
4315 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4316 : "WHERE md.md_scope = 'dataset' AND "
4317 : "md.md_standard_uri='http://gdal.org' "
4318 : "AND md.mime_type='text/xml' AND mdr.reference_scope = 'table' AND "
4319 : "lower(mdr.table_name) = lower('%q')",
4320 : pszTableName);
4321 : }
4322 : else
4323 : {
4324 147 : pszSQL = sqlite3_mprintf(
4325 : "SELECT md.id FROM gpkg_metadata md "
4326 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4327 : "WHERE md.md_scope = 'dataset' AND "
4328 : "md.md_standard_uri='http://gdal.org' "
4329 : "AND md.mime_type='text/xml' AND mdr.reference_scope = "
4330 : "'geopackage'");
4331 : }
4332 : OGRErr err;
4333 511 : int mdId = SQLGetInteger(hDB, pszSQL, &err);
4334 511 : if (err != OGRERR_NONE)
4335 478 : mdId = -1;
4336 511 : sqlite3_free(pszSQL);
4337 :
4338 511 : if (bIsEmpty)
4339 : {
4340 155 : if (mdId >= 0)
4341 : {
4342 6 : SQLCommand(
4343 : hDB,
4344 : CPLSPrintf(
4345 : "DELETE FROM gpkg_metadata_reference WHERE md_file_id = %d",
4346 : mdId));
4347 6 : SQLCommand(
4348 : hDB,
4349 : CPLSPrintf("DELETE FROM gpkg_metadata WHERE id = %d", mdId));
4350 : }
4351 : }
4352 : else
4353 : {
4354 356 : if (mdId >= 0)
4355 : {
4356 27 : pszSQL = sqlite3_mprintf(
4357 : "UPDATE gpkg_metadata SET metadata = '%q' WHERE id = %d",
4358 : pszXML, mdId);
4359 : }
4360 : else
4361 : {
4362 : pszSQL =
4363 329 : sqlite3_mprintf("INSERT INTO gpkg_metadata (md_scope, "
4364 : "md_standard_uri, mime_type, metadata) VALUES "
4365 : "('dataset','http://gdal.org','text/xml','%q')",
4366 : pszXML);
4367 : }
4368 356 : SQLCommand(hDB, pszSQL);
4369 356 : sqlite3_free(pszSQL);
4370 :
4371 356 : CPLFree(pszXML);
4372 :
4373 356 : if (mdId < 0)
4374 : {
4375 329 : const sqlite_int64 nFID = sqlite3_last_insert_rowid(hDB);
4376 329 : if (pszTableName != nullptr && pszTableName[0] != '\0')
4377 : {
4378 317 : pszSQL = sqlite3_mprintf(
4379 : "INSERT INTO gpkg_metadata_reference (reference_scope, "
4380 : "table_name, timestamp, md_file_id) VALUES "
4381 : "('table', '%q', %s, %d)",
4382 634 : pszTableName, GetCurrentDateEscapedSQL().c_str(),
4383 : static_cast<int>(nFID));
4384 : }
4385 : else
4386 : {
4387 12 : pszSQL = sqlite3_mprintf(
4388 : "INSERT INTO gpkg_metadata_reference (reference_scope, "
4389 : "timestamp, md_file_id) VALUES "
4390 : "('geopackage', %s, %d)",
4391 24 : GetCurrentDateEscapedSQL().c_str(), static_cast<int>(nFID));
4392 : }
4393 : }
4394 : else
4395 : {
4396 27 : pszSQL = sqlite3_mprintf("UPDATE gpkg_metadata_reference SET "
4397 : "timestamp = %s WHERE md_file_id = %d",
4398 54 : GetCurrentDateEscapedSQL().c_str(), mdId);
4399 : }
4400 356 : SQLCommand(hDB, pszSQL);
4401 356 : sqlite3_free(pszSQL);
4402 : }
4403 : }
4404 :
4405 : /************************************************************************/
4406 : /* CreateMetadataTables() */
4407 : /************************************************************************/
4408 :
4409 325 : bool GDALGeoPackageDataset::CreateMetadataTables()
4410 : {
4411 : const bool bCreateTriggers =
4412 325 : CPLTestBool(CPLGetConfigOption("CREATE_TRIGGERS", "NO"));
4413 :
4414 : /* From C.10. gpkg_metadata Table 35. gpkg_metadata Table Definition SQL */
4415 : CPLString osSQL = "CREATE TABLE gpkg_metadata ("
4416 : "id INTEGER CONSTRAINT m_pk PRIMARY KEY ASC NOT NULL,"
4417 : "md_scope TEXT NOT NULL DEFAULT 'dataset',"
4418 : "md_standard_uri TEXT NOT NULL,"
4419 : "mime_type TEXT NOT NULL DEFAULT 'text/xml',"
4420 : "metadata TEXT NOT NULL DEFAULT ''"
4421 650 : ")";
4422 :
4423 : /* From D.2. metadata Table 40. metadata Trigger Definition SQL */
4424 325 : const char *pszMetadataTriggers =
4425 : "CREATE TRIGGER 'gpkg_metadata_md_scope_insert' "
4426 : "BEFORE INSERT ON 'gpkg_metadata' "
4427 : "FOR EACH ROW BEGIN "
4428 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata violates "
4429 : "constraint: md_scope must be one of undefined | fieldSession | "
4430 : "collectionSession | series | dataset | featureType | feature | "
4431 : "attributeType | attribute | tile | model | catalogue | schema | "
4432 : "taxonomy software | service | collectionHardware | "
4433 : "nonGeographicDataset | dimensionGroup') "
4434 : "WHERE NOT(NEW.md_scope IN "
4435 : "('undefined','fieldSession','collectionSession','series','dataset', "
4436 : "'featureType','feature','attributeType','attribute','tile','model', "
4437 : "'catalogue','schema','taxonomy','software','service', "
4438 : "'collectionHardware','nonGeographicDataset','dimensionGroup')); "
4439 : "END; "
4440 : "CREATE TRIGGER 'gpkg_metadata_md_scope_update' "
4441 : "BEFORE UPDATE OF 'md_scope' ON 'gpkg_metadata' "
4442 : "FOR EACH ROW BEGIN "
4443 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata violates "
4444 : "constraint: md_scope must be one of undefined | fieldSession | "
4445 : "collectionSession | series | dataset | featureType | feature | "
4446 : "attributeType | attribute | tile | model | catalogue | schema | "
4447 : "taxonomy software | service | collectionHardware | "
4448 : "nonGeographicDataset | dimensionGroup') "
4449 : "WHERE NOT(NEW.md_scope IN "
4450 : "('undefined','fieldSession','collectionSession','series','dataset', "
4451 : "'featureType','feature','attributeType','attribute','tile','model', "
4452 : "'catalogue','schema','taxonomy','software','service', "
4453 : "'collectionHardware','nonGeographicDataset','dimensionGroup')); "
4454 : "END";
4455 325 : if (bCreateTriggers)
4456 : {
4457 0 : osSQL += ";";
4458 0 : osSQL += pszMetadataTriggers;
4459 : }
4460 :
4461 : /* From C.11. gpkg_metadata_reference Table 36. gpkg_metadata_reference
4462 : * Table Definition SQL */
4463 : osSQL += ";"
4464 : "CREATE TABLE gpkg_metadata_reference ("
4465 : "reference_scope TEXT NOT NULL,"
4466 : "table_name TEXT,"
4467 : "column_name TEXT,"
4468 : "row_id_value INTEGER,"
4469 : "timestamp DATETIME NOT NULL DEFAULT "
4470 : "(strftime('%Y-%m-%dT%H:%M:%fZ','now')),"
4471 : "md_file_id INTEGER NOT NULL,"
4472 : "md_parent_id INTEGER,"
4473 : "CONSTRAINT crmr_mfi_fk FOREIGN KEY (md_file_id) REFERENCES "
4474 : "gpkg_metadata(id),"
4475 : "CONSTRAINT crmr_mpi_fk FOREIGN KEY (md_parent_id) REFERENCES "
4476 : "gpkg_metadata(id)"
4477 325 : ")";
4478 :
4479 : /* From D.3. metadata_reference Table 41. gpkg_metadata_reference Trigger
4480 : * Definition SQL */
4481 325 : const char *pszMetadataReferenceTriggers =
4482 : "CREATE TRIGGER 'gpkg_metadata_reference_reference_scope_insert' "
4483 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4484 : "FOR EACH ROW BEGIN "
4485 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4486 : "violates constraint: reference_scope must be one of \"geopackage\", "
4487 : "table\", \"column\", \"row\", \"row/col\"') "
4488 : "WHERE NOT NEW.reference_scope IN "
4489 : "('geopackage','table','column','row','row/col'); "
4490 : "END; "
4491 : "CREATE TRIGGER 'gpkg_metadata_reference_reference_scope_update' "
4492 : "BEFORE UPDATE OF 'reference_scope' ON 'gpkg_metadata_reference' "
4493 : "FOR EACH ROW BEGIN "
4494 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4495 : "violates constraint: reference_scope must be one of \"geopackage\", "
4496 : "\"table\", \"column\", \"row\", \"row/col\"') "
4497 : "WHERE NOT NEW.reference_scope IN "
4498 : "('geopackage','table','column','row','row/col'); "
4499 : "END; "
4500 : "CREATE TRIGGER 'gpkg_metadata_reference_column_name_insert' "
4501 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4502 : "FOR EACH ROW BEGIN "
4503 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4504 : "violates constraint: column name must be NULL when reference_scope "
4505 : "is \"geopackage\", \"table\" or \"row\"') "
4506 : "WHERE (NEW.reference_scope IN ('geopackage','table','row') "
4507 : "AND NEW.column_name IS NOT NULL); "
4508 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4509 : "violates constraint: column name must be defined for the specified "
4510 : "table when reference_scope is \"column\" or \"row/col\"') "
4511 : "WHERE (NEW.reference_scope IN ('column','row/col') "
4512 : "AND NOT NEW.table_name IN ( "
4513 : "SELECT name FROM SQLITE_MASTER WHERE type = 'table' "
4514 : "AND name = NEW.table_name "
4515 : "AND sql LIKE ('%' || NEW.column_name || '%'))); "
4516 : "END; "
4517 : "CREATE TRIGGER 'gpkg_metadata_reference_column_name_update' "
4518 : "BEFORE UPDATE OF column_name ON 'gpkg_metadata_reference' "
4519 : "FOR EACH ROW BEGIN "
4520 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4521 : "violates constraint: column name must be NULL when reference_scope "
4522 : "is \"geopackage\", \"table\" or \"row\"') "
4523 : "WHERE (NEW.reference_scope IN ('geopackage','table','row') "
4524 : "AND NEW.column_name IS NOT NULL); "
4525 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4526 : "violates constraint: column name must be defined for the specified "
4527 : "table when reference_scope is \"column\" or \"row/col\"') "
4528 : "WHERE (NEW.reference_scope IN ('column','row/col') "
4529 : "AND NOT NEW.table_name IN ( "
4530 : "SELECT name FROM SQLITE_MASTER WHERE type = 'table' "
4531 : "AND name = NEW.table_name "
4532 : "AND sql LIKE ('%' || NEW.column_name || '%'))); "
4533 : "END; "
4534 : "CREATE TRIGGER 'gpkg_metadata_reference_row_id_value_insert' "
4535 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4536 : "FOR EACH ROW BEGIN "
4537 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4538 : "violates constraint: row_id_value must be NULL when reference_scope "
4539 : "is \"geopackage\", \"table\" or \"column\"') "
4540 : "WHERE NEW.reference_scope IN ('geopackage','table','column') "
4541 : "AND NEW.row_id_value IS NOT NULL; "
4542 : "END; "
4543 : "CREATE TRIGGER 'gpkg_metadata_reference_row_id_value_update' "
4544 : "BEFORE UPDATE OF 'row_id_value' ON 'gpkg_metadata_reference' "
4545 : "FOR EACH ROW BEGIN "
4546 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4547 : "violates constraint: row_id_value must be NULL when reference_scope "
4548 : "is \"geopackage\", \"table\" or \"column\"') "
4549 : "WHERE NEW.reference_scope IN ('geopackage','table','column') "
4550 : "AND NEW.row_id_value IS NOT NULL; "
4551 : "END; "
4552 : "CREATE TRIGGER 'gpkg_metadata_reference_timestamp_insert' "
4553 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4554 : "FOR EACH ROW BEGIN "
4555 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4556 : "violates constraint: timestamp must be a valid time in ISO 8601 "
4557 : "\"yyyy-mm-ddThh:mm:ss.cccZ\" form') "
4558 : "WHERE NOT (NEW.timestamp GLOB "
4559 : "'[1-2][0-9][0-9][0-9]-[0-1][0-9]-[0-3][0-9]T[0-2][0-9]:[0-5][0-9]:[0-"
4560 : "5][0-9].[0-9][0-9][0-9]Z' "
4561 : "AND strftime('%s',NEW.timestamp) NOT NULL); "
4562 : "END; "
4563 : "CREATE TRIGGER 'gpkg_metadata_reference_timestamp_update' "
4564 : "BEFORE UPDATE OF 'timestamp' ON 'gpkg_metadata_reference' "
4565 : "FOR EACH ROW BEGIN "
4566 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4567 : "violates constraint: timestamp must be a valid time in ISO 8601 "
4568 : "\"yyyy-mm-ddThh:mm:ss.cccZ\" form') "
4569 : "WHERE NOT (NEW.timestamp GLOB "
4570 : "'[1-2][0-9][0-9][0-9]-[0-1][0-9]-[0-3][0-9]T[0-2][0-9]:[0-5][0-9]:[0-"
4571 : "5][0-9].[0-9][0-9][0-9]Z' "
4572 : "AND strftime('%s',NEW.timestamp) NOT NULL); "
4573 : "END";
4574 325 : if (bCreateTriggers)
4575 : {
4576 0 : osSQL += ";";
4577 0 : osSQL += pszMetadataReferenceTriggers;
4578 : }
4579 :
4580 325 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
4581 2 : return false;
4582 :
4583 323 : osSQL += ";";
4584 : osSQL += "INSERT INTO gpkg_extensions "
4585 : "(table_name, column_name, extension_name, definition, scope) "
4586 : "VALUES "
4587 : "('gpkg_metadata', NULL, 'gpkg_metadata', "
4588 : "'http://www.geopackage.org/spec120/#extension_metadata', "
4589 323 : "'read-write')";
4590 :
4591 323 : osSQL += ";";
4592 : osSQL += "INSERT INTO gpkg_extensions "
4593 : "(table_name, column_name, extension_name, definition, scope) "
4594 : "VALUES "
4595 : "('gpkg_metadata_reference', NULL, 'gpkg_metadata', "
4596 : "'http://www.geopackage.org/spec120/#extension_metadata', "
4597 323 : "'read-write')";
4598 :
4599 323 : const bool bOK = SQLCommand(hDB, osSQL) == OGRERR_NONE;
4600 323 : m_nHasMetadataTables = bOK;
4601 323 : return bOK;
4602 : }
4603 :
4604 : /************************************************************************/
4605 : /* FlushMetadata() */
4606 : /************************************************************************/
4607 :
4608 9165 : void GDALGeoPackageDataset::FlushMetadata()
4609 : {
4610 9165 : if (!m_bMetadataDirty || m_poParentDS != nullptr ||
4611 385 : m_nCreateMetadataTables == FALSE)
4612 8786 : return;
4613 379 : m_bMetadataDirty = false;
4614 :
4615 379 : if (eAccess == GA_ReadOnly)
4616 : {
4617 3 : return;
4618 : }
4619 :
4620 376 : bool bCanWriteAreaOrPoint =
4621 750 : !m_bGridCellEncodingAsCO &&
4622 374 : (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT);
4623 376 : if (!m_osRasterTable.empty())
4624 : {
4625 : const char *pszIdentifier =
4626 145 : GDALGeoPackageDataset::GetMetadataItem("IDENTIFIER");
4627 : const char *pszDescription =
4628 145 : GDALGeoPackageDataset::GetMetadataItem("DESCRIPTION");
4629 174 : if (!m_bIdentifierAsCO && pszIdentifier != nullptr &&
4630 29 : pszIdentifier != m_osIdentifier)
4631 : {
4632 14 : m_osIdentifier = pszIdentifier;
4633 : char *pszSQL =
4634 14 : sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' "
4635 : "WHERE lower(table_name) = lower('%q')",
4636 : pszIdentifier, m_osRasterTable.c_str());
4637 14 : SQLCommand(hDB, pszSQL);
4638 14 : sqlite3_free(pszSQL);
4639 : }
4640 152 : if (!m_bDescriptionAsCO && pszDescription != nullptr &&
4641 7 : pszDescription != m_osDescription)
4642 : {
4643 7 : m_osDescription = pszDescription;
4644 : char *pszSQL =
4645 7 : sqlite3_mprintf("UPDATE gpkg_contents SET description = '%q' "
4646 : "WHERE lower(table_name) = lower('%q')",
4647 : pszDescription, m_osRasterTable.c_str());
4648 7 : SQLCommand(hDB, pszSQL);
4649 7 : sqlite3_free(pszSQL);
4650 : }
4651 145 : if (bCanWriteAreaOrPoint)
4652 : {
4653 : const char *pszAreaOrPoint =
4654 28 : GDALGeoPackageDataset::GetMetadataItem(GDALMD_AREA_OR_POINT);
4655 28 : if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_AREA))
4656 : {
4657 23 : bCanWriteAreaOrPoint = false;
4658 23 : char *pszSQL = sqlite3_mprintf(
4659 : "UPDATE gpkg_2d_gridded_coverage_ancillary SET "
4660 : "grid_cell_encoding = 'grid-value-is-area' WHERE "
4661 : "lower(tile_matrix_set_name) = lower('%q')",
4662 : m_osRasterTable.c_str());
4663 23 : SQLCommand(hDB, pszSQL);
4664 23 : sqlite3_free(pszSQL);
4665 : }
4666 5 : else if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_POINT))
4667 : {
4668 1 : bCanWriteAreaOrPoint = false;
4669 1 : char *pszSQL = sqlite3_mprintf(
4670 : "UPDATE gpkg_2d_gridded_coverage_ancillary SET "
4671 : "grid_cell_encoding = 'grid-value-is-center' WHERE "
4672 : "lower(tile_matrix_set_name) = lower('%q')",
4673 : m_osRasterTable.c_str());
4674 1 : SQLCommand(hDB, pszSQL);
4675 1 : sqlite3_free(pszSQL);
4676 : }
4677 : }
4678 : }
4679 :
4680 376 : char **papszMDDup = nullptr;
4681 206 : for (const char *pszKeyValue :
4682 788 : cpl::Iterate(GDALGeoPackageDataset::GetMetadata()))
4683 : {
4684 206 : if (STARTS_WITH_CI(pszKeyValue, "IDENTIFIER="))
4685 29 : continue;
4686 177 : if (STARTS_WITH_CI(pszKeyValue, "DESCRIPTION="))
4687 8 : continue;
4688 169 : if (STARTS_WITH_CI(pszKeyValue, "ZOOM_LEVEL="))
4689 14 : continue;
4690 155 : if (STARTS_WITH_CI(pszKeyValue, "GPKG_METADATA_ITEM_"))
4691 4 : continue;
4692 151 : if ((m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT) &&
4693 29 : !bCanWriteAreaOrPoint &&
4694 26 : STARTS_WITH_CI(pszKeyValue, GDALMD_AREA_OR_POINT))
4695 : {
4696 26 : continue;
4697 : }
4698 125 : papszMDDup = CSLInsertString(papszMDDup, -1, pszKeyValue);
4699 : }
4700 :
4701 376 : CPLXMLNode *psXMLNode = nullptr;
4702 : {
4703 376 : GDALMultiDomainMetadata oLocalMDMD;
4704 376 : CSLConstList papszDomainList = oMDMD.GetDomainList();
4705 376 : CSLConstList papszIter = papszDomainList;
4706 376 : oLocalMDMD.SetMetadata(papszMDDup);
4707 707 : while (papszIter && *papszIter)
4708 : {
4709 331 : if (!EQUAL(*papszIter, "") &&
4710 160 : !EQUAL(*papszIter, "IMAGE_STRUCTURE") &&
4711 15 : !EQUAL(*papszIter, "GEOPACKAGE"))
4712 : {
4713 8 : oLocalMDMD.SetMetadata(oMDMD.GetMetadata(*papszIter),
4714 : *papszIter);
4715 : }
4716 331 : papszIter++;
4717 : }
4718 376 : if (m_nBandCountFromMetadata > 0)
4719 : {
4720 75 : oLocalMDMD.SetMetadataItem(
4721 : "BAND_COUNT", CPLSPrintf("%d", m_nBandCountFromMetadata),
4722 : "IMAGE_STRUCTURE");
4723 75 : if (nBands == 1)
4724 : {
4725 51 : const auto poCT = GetRasterBand(1)->GetColorTable();
4726 51 : if (poCT)
4727 : {
4728 16 : std::string osVal("{");
4729 8 : const int nColorCount = poCT->GetColorEntryCount();
4730 2056 : for (int i = 0; i < nColorCount; ++i)
4731 : {
4732 2048 : if (i > 0)
4733 2040 : osVal += ',';
4734 2048 : const GDALColorEntry *psEntry = poCT->GetColorEntry(i);
4735 : osVal +=
4736 2048 : CPLSPrintf("{%d,%d,%d,%d}", psEntry->c1,
4737 2048 : psEntry->c2, psEntry->c3, psEntry->c4);
4738 : }
4739 8 : osVal += '}';
4740 8 : oLocalMDMD.SetMetadataItem("COLOR_TABLE", osVal.c_str(),
4741 : "IMAGE_STRUCTURE");
4742 : }
4743 : }
4744 75 : if (nBands == 1)
4745 : {
4746 51 : const char *pszTILE_FORMAT = nullptr;
4747 51 : switch (m_eTF)
4748 : {
4749 0 : case GPKG_TF_PNG_JPEG:
4750 0 : pszTILE_FORMAT = "JPEG_PNG";
4751 0 : break;
4752 45 : case GPKG_TF_PNG:
4753 45 : break;
4754 0 : case GPKG_TF_PNG8:
4755 0 : pszTILE_FORMAT = "PNG8";
4756 0 : break;
4757 3 : case GPKG_TF_JPEG:
4758 3 : pszTILE_FORMAT = "JPEG";
4759 3 : break;
4760 3 : case GPKG_TF_WEBP:
4761 3 : pszTILE_FORMAT = "WEBP";
4762 3 : break;
4763 0 : case GPKG_TF_PNG_16BIT:
4764 0 : break;
4765 0 : case GPKG_TF_TIFF_32BIT_FLOAT:
4766 0 : break;
4767 : }
4768 51 : if (pszTILE_FORMAT)
4769 6 : oLocalMDMD.SetMetadataItem("TILE_FORMAT", pszTILE_FORMAT,
4770 : "IMAGE_STRUCTURE");
4771 : }
4772 : }
4773 521 : if (GetRasterCount() > 0 &&
4774 145 : GetRasterBand(1)->GetRasterDataType() == GDT_UInt8)
4775 : {
4776 115 : int bHasNoData = FALSE;
4777 : const double dfNoDataValue =
4778 115 : GetRasterBand(1)->GetNoDataValue(&bHasNoData);
4779 115 : if (bHasNoData)
4780 : {
4781 3 : oLocalMDMD.SetMetadataItem("NODATA_VALUE",
4782 : CPLSPrintf("%.17g", dfNoDataValue),
4783 : "IMAGE_STRUCTURE");
4784 : }
4785 : }
4786 626 : for (int i = 1; i <= GetRasterCount(); ++i)
4787 : {
4788 : auto poBand =
4789 250 : cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(i));
4790 250 : poBand->AddImplicitStatistics(false);
4791 250 : CSLConstList papszMD = GetRasterBand(i)->GetMetadata();
4792 250 : poBand->AddImplicitStatistics(true);
4793 250 : if (papszMD)
4794 : {
4795 15 : oLocalMDMD.SetMetadata(papszMD, CPLSPrintf("BAND_%d", i));
4796 : }
4797 : }
4798 376 : psXMLNode = oLocalMDMD.Serialize();
4799 : }
4800 :
4801 376 : CSLDestroy(papszMDDup);
4802 376 : papszMDDup = nullptr;
4803 :
4804 376 : WriteMetadata(psXMLNode, m_osRasterTable.c_str());
4805 :
4806 376 : if (!m_osRasterTable.empty())
4807 : {
4808 : CSLConstList papszGeopackageMD =
4809 145 : GDALGeoPackageDataset::GetMetadata("GEOPACKAGE");
4810 :
4811 145 : papszMDDup = nullptr;
4812 145 : for (CSLConstList papszIter = papszGeopackageMD;
4813 154 : papszIter && *papszIter; ++papszIter)
4814 : {
4815 9 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4816 : }
4817 :
4818 290 : GDALMultiDomainMetadata oLocalMDMD;
4819 145 : oLocalMDMD.SetMetadata(papszMDDup);
4820 145 : CSLDestroy(papszMDDup);
4821 145 : papszMDDup = nullptr;
4822 145 : psXMLNode = oLocalMDMD.Serialize();
4823 :
4824 145 : WriteMetadata(psXMLNode, nullptr);
4825 : }
4826 :
4827 625 : for (auto &poLayer : m_apoLayers)
4828 : {
4829 249 : const char *pszIdentifier = poLayer->GetMetadataItem("IDENTIFIER");
4830 249 : const char *pszDescription = poLayer->GetMetadataItem("DESCRIPTION");
4831 249 : if (pszIdentifier != nullptr)
4832 : {
4833 : char *pszSQL =
4834 3 : sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' "
4835 : "WHERE lower(table_name) = lower('%q')",
4836 : pszIdentifier, poLayer->GetName());
4837 3 : SQLCommand(hDB, pszSQL);
4838 3 : sqlite3_free(pszSQL);
4839 : }
4840 249 : if (pszDescription != nullptr)
4841 : {
4842 : char *pszSQL =
4843 3 : sqlite3_mprintf("UPDATE gpkg_contents SET description = '%q' "
4844 : "WHERE lower(table_name) = lower('%q')",
4845 : pszDescription, poLayer->GetName());
4846 3 : SQLCommand(hDB, pszSQL);
4847 3 : sqlite3_free(pszSQL);
4848 : }
4849 :
4850 249 : papszMDDup = nullptr;
4851 667 : for (CSLConstList papszIter = poLayer->GetMetadata();
4852 667 : papszIter && *papszIter; ++papszIter)
4853 : {
4854 418 : if (STARTS_WITH_CI(*papszIter, "IDENTIFIER="))
4855 3 : continue;
4856 415 : if (STARTS_WITH_CI(*papszIter, "DESCRIPTION="))
4857 3 : continue;
4858 412 : if (STARTS_WITH_CI(*papszIter, "OLMD_FID64="))
4859 0 : continue;
4860 412 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4861 : }
4862 :
4863 : {
4864 249 : GDALMultiDomainMetadata oLocalMDMD;
4865 249 : char **papszDomainList = poLayer->GetMetadataDomainList();
4866 249 : char **papszIter = papszDomainList;
4867 249 : oLocalMDMD.SetMetadata(papszMDDup);
4868 554 : while (papszIter && *papszIter)
4869 : {
4870 305 : if (!EQUAL(*papszIter, ""))
4871 69 : oLocalMDMD.SetMetadata(poLayer->GetMetadata(*papszIter),
4872 : *papszIter);
4873 305 : papszIter++;
4874 : }
4875 249 : CSLDestroy(papszDomainList);
4876 249 : psXMLNode = oLocalMDMD.Serialize();
4877 : }
4878 :
4879 249 : CSLDestroy(papszMDDup);
4880 249 : papszMDDup = nullptr;
4881 :
4882 249 : WriteMetadata(psXMLNode, poLayer->GetName());
4883 : }
4884 : }
4885 :
4886 : /************************************************************************/
4887 : /* GetMetadataItem() */
4888 : /************************************************************************/
4889 :
4890 2052 : const char *GDALGeoPackageDataset::GetMetadataItem(const char *pszName,
4891 : const char *pszDomain)
4892 : {
4893 2052 : pszDomain = CheckMetadataDomain(pszDomain);
4894 2052 : return CSLFetchNameValue(GetMetadata(pszDomain), pszName);
4895 : }
4896 :
4897 : /************************************************************************/
4898 : /* SetMetadata() */
4899 : /************************************************************************/
4900 :
4901 134 : CPLErr GDALGeoPackageDataset::SetMetadata(CSLConstList papszMetadata,
4902 : const char *pszDomain)
4903 : {
4904 134 : pszDomain = CheckMetadataDomain(pszDomain);
4905 134 : m_bMetadataDirty = true;
4906 134 : GetMetadata(); /* force loading from storage if needed */
4907 134 : return GDALPamDataset::SetMetadata(papszMetadata, pszDomain);
4908 : }
4909 :
4910 : /************************************************************************/
4911 : /* SetMetadataItem() */
4912 : /************************************************************************/
4913 :
4914 21 : CPLErr GDALGeoPackageDataset::SetMetadataItem(const char *pszName,
4915 : const char *pszValue,
4916 : const char *pszDomain)
4917 : {
4918 21 : pszDomain = CheckMetadataDomain(pszDomain);
4919 21 : m_bMetadataDirty = true;
4920 21 : GetMetadata(); /* force loading from storage if needed */
4921 21 : return GDALPamDataset::SetMetadataItem(pszName, pszValue, pszDomain);
4922 : }
4923 :
4924 : /************************************************************************/
4925 : /* Create() */
4926 : /************************************************************************/
4927 :
4928 1085 : int GDALGeoPackageDataset::Create(const char *pszFilename, int nXSize,
4929 : int nYSize, int nBandsIn, GDALDataType eDT,
4930 : CSLConstList papszOptions)
4931 : {
4932 2170 : CPLString osCommand;
4933 :
4934 : /* First, ensure there isn't any such file yet. */
4935 : VSIStatBufL sStatBuf;
4936 :
4937 1085 : if (nBandsIn != 0)
4938 : {
4939 230 : if (eDT == GDT_UInt8)
4940 : {
4941 160 : if (nBandsIn != 1 && nBandsIn != 2 && nBandsIn != 3 &&
4942 : nBandsIn != 4)
4943 : {
4944 1 : CPLError(CE_Failure, CPLE_NotSupported,
4945 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), "
4946 : "3 (RGB) or 4 (RGBA) band dataset supported for "
4947 : "Byte datatype");
4948 1 : return FALSE;
4949 : }
4950 : }
4951 70 : else if (eDT == GDT_Int16 || eDT == GDT_UInt16 || eDT == GDT_Float32)
4952 : {
4953 43 : if (nBandsIn != 1)
4954 : {
4955 3 : CPLError(CE_Failure, CPLE_NotSupported,
4956 : "Only single band dataset supported for non Byte "
4957 : "datatype");
4958 3 : return FALSE;
4959 : }
4960 : }
4961 : else
4962 : {
4963 27 : CPLError(CE_Failure, CPLE_NotSupported,
4964 : "Only Byte, Int16, UInt16 or Float32 supported");
4965 27 : return FALSE;
4966 : }
4967 : }
4968 :
4969 1054 : const size_t nFilenameLen = strlen(pszFilename);
4970 1054 : const bool bGpkgZip =
4971 1049 : (nFilenameLen > strlen(".gpkg.zip") &&
4972 2103 : !STARTS_WITH(pszFilename, "/vsizip/") &&
4973 1049 : EQUAL(pszFilename + nFilenameLen - strlen(".gpkg.zip"), ".gpkg.zip"));
4974 :
4975 : const bool bUseTempFile =
4976 1055 : bGpkgZip || (CPLTestBool(CPLGetConfigOption(
4977 1 : "CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE", "NO")) &&
4978 1 : (VSIHasOptimizedReadMultiRange(pszFilename) != FALSE ||
4979 1 : EQUAL(CPLGetConfigOption(
4980 : "CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE", ""),
4981 1054 : "FORCED")));
4982 :
4983 1054 : bool bFileExists = false;
4984 1054 : if (VSIStatL(pszFilename, &sStatBuf) == 0)
4985 : {
4986 10 : bFileExists = true;
4987 20 : if (nBandsIn == 0 || bUseTempFile ||
4988 10 : !CPLTestBool(
4989 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")))
4990 : {
4991 0 : CPLError(CE_Failure, CPLE_AppDefined,
4992 : "A file system object called '%s' already exists.",
4993 : pszFilename);
4994 :
4995 0 : return FALSE;
4996 : }
4997 : }
4998 :
4999 1054 : if (bUseTempFile)
5000 : {
5001 3 : if (bGpkgZip)
5002 : {
5003 2 : std::string osFilenameInZip(CPLGetFilename(pszFilename));
5004 2 : osFilenameInZip.resize(osFilenameInZip.size() - strlen(".zip"));
5005 : m_osFinalFilename =
5006 2 : std::string("/vsizip/{") + pszFilename + "}/" + osFilenameInZip;
5007 : }
5008 : else
5009 : {
5010 1 : m_osFinalFilename = pszFilename;
5011 : }
5012 3 : m_pszFilename = CPLStrdup(
5013 6 : CPLGenerateTempFilenameSafe(CPLGetFilename(pszFilename)).c_str());
5014 3 : CPLDebug("GPKG", "Creating temporary file %s", m_pszFilename);
5015 : }
5016 : else
5017 : {
5018 1051 : m_pszFilename = CPLStrdup(pszFilename);
5019 : }
5020 1054 : m_bNew = true;
5021 1054 : eAccess = GA_Update;
5022 1054 : m_bDateTimeWithTZ =
5023 1054 : EQUAL(CSLFetchNameValueDef(papszOptions, "DATETIME_FORMAT", "WITH_TZ"),
5024 : "WITH_TZ");
5025 :
5026 : // for test/debug purposes only. true is the nominal value
5027 1054 : m_bPNGSupports2Bands =
5028 1054 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_2BANDS", "TRUE"));
5029 1054 : m_bPNGSupportsCT =
5030 1054 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_CT", "TRUE"));
5031 :
5032 1054 : if (!OpenOrCreateDB(bFileExists
5033 : ? SQLITE_OPEN_READWRITE
5034 : : SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE))
5035 8 : return FALSE;
5036 :
5037 : /* Default to synchronous=off for performance for new file */
5038 2082 : if (!bFileExists &&
5039 1036 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5040 : {
5041 520 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5042 : }
5043 :
5044 : /* OGR UTF-8 support. If we set the UTF-8 Pragma early on, it */
5045 : /* will be written into the main file and supported henceforth */
5046 1046 : SQLCommand(hDB, "PRAGMA encoding = \"UTF-8\"");
5047 :
5048 1046 : if (bFileExists)
5049 : {
5050 10 : VSILFILE *fp = VSIFOpenL(pszFilename, "rb");
5051 10 : if (fp)
5052 : {
5053 : GByte abyHeader[100];
5054 10 : VSIFReadL(abyHeader, 1, sizeof(abyHeader), fp);
5055 10 : VSIFCloseL(fp);
5056 :
5057 10 : memcpy(&m_nApplicationId, abyHeader + knApplicationIdPos, 4);
5058 10 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
5059 10 : memcpy(&m_nUserVersion, abyHeader + knUserVersionPos, 4);
5060 10 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
5061 :
5062 10 : if (m_nApplicationId == GP10_APPLICATION_ID)
5063 : {
5064 0 : CPLDebug("GPKG", "GeoPackage v1.0");
5065 : }
5066 10 : else if (m_nApplicationId == GP11_APPLICATION_ID)
5067 : {
5068 0 : CPLDebug("GPKG", "GeoPackage v1.1");
5069 : }
5070 10 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
5071 10 : m_nUserVersion >= GPKG_1_2_VERSION)
5072 : {
5073 10 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
5074 10 : (m_nUserVersion % 10000) / 100, m_nUserVersion % 100);
5075 : }
5076 : }
5077 :
5078 10 : DetectSpatialRefSysColumns();
5079 : }
5080 :
5081 1046 : const char *pszVersion = CSLFetchNameValue(papszOptions, "VERSION");
5082 1046 : if (pszVersion && !EQUAL(pszVersion, "AUTO"))
5083 : {
5084 40 : if (EQUAL(pszVersion, "1.0"))
5085 : {
5086 2 : m_nApplicationId = GP10_APPLICATION_ID;
5087 2 : m_nUserVersion = 0;
5088 : }
5089 38 : else if (EQUAL(pszVersion, "1.1"))
5090 : {
5091 1 : m_nApplicationId = GP11_APPLICATION_ID;
5092 1 : m_nUserVersion = 0;
5093 : }
5094 37 : else if (EQUAL(pszVersion, "1.2"))
5095 : {
5096 15 : m_nApplicationId = GPKG_APPLICATION_ID;
5097 15 : m_nUserVersion = GPKG_1_2_VERSION;
5098 : }
5099 22 : else if (EQUAL(pszVersion, "1.3"))
5100 : {
5101 3 : m_nApplicationId = GPKG_APPLICATION_ID;
5102 3 : m_nUserVersion = GPKG_1_3_VERSION;
5103 : }
5104 19 : else if (EQUAL(pszVersion, "1.4"))
5105 : {
5106 19 : m_nApplicationId = GPKG_APPLICATION_ID;
5107 19 : m_nUserVersion = GPKG_1_4_VERSION;
5108 : }
5109 : }
5110 :
5111 1046 : SoftStartTransaction();
5112 :
5113 2092 : CPLString osSQL;
5114 1046 : if (!bFileExists)
5115 : {
5116 : /* Requirement 10: A GeoPackage SHALL include a gpkg_spatial_ref_sys
5117 : * table */
5118 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5119 : osSQL = "CREATE TABLE gpkg_spatial_ref_sys ("
5120 : "srs_name TEXT NOT NULL,"
5121 : "srs_id INTEGER NOT NULL PRIMARY KEY,"
5122 : "organization TEXT NOT NULL,"
5123 : "organization_coordsys_id INTEGER NOT NULL,"
5124 : "definition TEXT NOT NULL,"
5125 1036 : "description TEXT";
5126 1036 : if (CPLTestBool(CSLFetchNameValueDef(papszOptions, "CRS_WKT_EXTENSION",
5127 1221 : "NO")) ||
5128 185 : (nBandsIn != 0 && eDT != GDT_UInt8))
5129 : {
5130 42 : m_bHasDefinition12_063 = true;
5131 42 : osSQL += ", definition_12_063 TEXT NOT NULL";
5132 42 : if (m_nUserVersion >= GPKG_1_4_VERSION)
5133 : {
5134 40 : osSQL += ", epoch DOUBLE";
5135 40 : m_bHasEpochColumn = true;
5136 : }
5137 : }
5138 : osSQL += ")"
5139 : ";"
5140 : /* Requirement 11: The gpkg_spatial_ref_sys table in a
5141 : GeoPackage SHALL */
5142 : /* contain a record for EPSG:4326, the geodetic WGS84 SRS */
5143 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5144 :
5145 : "INSERT INTO gpkg_spatial_ref_sys ("
5146 : "srs_name, srs_id, organization, organization_coordsys_id, "
5147 1036 : "definition, description";
5148 1036 : if (m_bHasDefinition12_063)
5149 42 : osSQL += ", definition_12_063";
5150 : osSQL +=
5151 : ") VALUES ("
5152 : "'WGS 84 geodetic', 4326, 'EPSG', 4326, '"
5153 : "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS "
5154 : "84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],"
5155 : "AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY["
5156 : "\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY["
5157 : "\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\","
5158 : "EAST],AUTHORITY[\"EPSG\",\"4326\"]]"
5159 : "', 'longitude/latitude coordinates in decimal degrees on the WGS "
5160 1036 : "84 spheroid'";
5161 1036 : if (m_bHasDefinition12_063)
5162 : osSQL +=
5163 : ", 'GEODCRS[\"WGS 84\", DATUM[\"World Geodetic System 1984\", "
5164 : "ELLIPSOID[\"WGS 84\",6378137, 298.257223563, "
5165 : "LENGTHUNIT[\"metre\", 1.0]]], PRIMEM[\"Greenwich\", 0.0, "
5166 : "ANGLEUNIT[\"degree\",0.0174532925199433]], CS[ellipsoidal, "
5167 : "2], AXIS[\"latitude\", north, ORDER[1]], AXIS[\"longitude\", "
5168 : "east, ORDER[2]], ANGLEUNIT[\"degree\", 0.0174532925199433], "
5169 42 : "ID[\"EPSG\", 4326]]'";
5170 : osSQL +=
5171 : ")"
5172 : ";"
5173 : /* Requirement 11: The gpkg_spatial_ref_sys table in a GeoPackage
5174 : SHALL */
5175 : /* contain a record with an srs_id of -1, an organization of “NONE”,
5176 : */
5177 : /* an organization_coordsys_id of -1, and definition “undefined” */
5178 : /* for undefined Cartesian coordinate reference systems */
5179 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5180 : "INSERT INTO gpkg_spatial_ref_sys ("
5181 : "srs_name, srs_id, organization, organization_coordsys_id, "
5182 1036 : "definition, description";
5183 1036 : if (m_bHasDefinition12_063)
5184 42 : osSQL += ", definition_12_063";
5185 : osSQL += ") VALUES ("
5186 : "'Undefined Cartesian SRS', -1, 'NONE', -1, 'undefined', "
5187 1036 : "'undefined Cartesian coordinate reference system'";
5188 1036 : if (m_bHasDefinition12_063)
5189 42 : osSQL += ", 'undefined'";
5190 : osSQL +=
5191 : ")"
5192 : ";"
5193 : /* Requirement 11: The gpkg_spatial_ref_sys table in a GeoPackage
5194 : SHALL */
5195 : /* contain a record with an srs_id of 0, an organization of “NONE”,
5196 : */
5197 : /* an organization_coordsys_id of 0, and definition “undefined” */
5198 : /* for undefined geographic coordinate reference systems */
5199 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5200 : "INSERT INTO gpkg_spatial_ref_sys ("
5201 : "srs_name, srs_id, organization, organization_coordsys_id, "
5202 1036 : "definition, description";
5203 1036 : if (m_bHasDefinition12_063)
5204 42 : osSQL += ", definition_12_063";
5205 : osSQL += ") VALUES ("
5206 : "'Undefined geographic SRS', 0, 'NONE', 0, 'undefined', "
5207 1036 : "'undefined geographic coordinate reference system'";
5208 1036 : if (m_bHasDefinition12_063)
5209 42 : osSQL += ", 'undefined'";
5210 : osSQL += ")"
5211 : ";"
5212 : /* Requirement 13: A GeoPackage file SHALL include a
5213 : gpkg_contents table */
5214 : /* http://opengis.github.io/geopackage/#_contents */
5215 : "CREATE TABLE gpkg_contents ("
5216 : "table_name TEXT NOT NULL PRIMARY KEY,"
5217 : "data_type TEXT NOT NULL,"
5218 : "identifier TEXT UNIQUE,"
5219 : "description TEXT DEFAULT '',"
5220 : "last_change DATETIME NOT NULL DEFAULT "
5221 : "(strftime('%Y-%m-%dT%H:%M:%fZ','now')),"
5222 : "min_x DOUBLE, min_y DOUBLE,"
5223 : "max_x DOUBLE, max_y DOUBLE,"
5224 : "srs_id INTEGER,"
5225 : "CONSTRAINT fk_gc_r_srs_id FOREIGN KEY (srs_id) REFERENCES "
5226 : "gpkg_spatial_ref_sys(srs_id)"
5227 1036 : ")";
5228 :
5229 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5230 1036 : if (CPLFetchBool(papszOptions, "ADD_GPKG_OGR_CONTENTS", true))
5231 : {
5232 1030 : m_bHasGPKGOGRContents = true;
5233 : osSQL += ";"
5234 : "CREATE TABLE gpkg_ogr_contents("
5235 : "table_name TEXT NOT NULL PRIMARY KEY,"
5236 : "feature_count INTEGER DEFAULT NULL"
5237 1030 : ")";
5238 : }
5239 : #endif
5240 :
5241 : /* Requirement 21: A GeoPackage with a gpkg_contents table row with a
5242 : * “features” */
5243 : /* data_type SHALL contain a gpkg_geometry_columns table or updateable
5244 : * view */
5245 : /* http://opengis.github.io/geopackage/#_geometry_columns */
5246 : const bool bCreateGeometryColumns =
5247 1036 : CPLTestBool(CPLGetConfigOption("CREATE_GEOMETRY_COLUMNS", "YES"));
5248 1036 : if (bCreateGeometryColumns)
5249 : {
5250 1035 : m_bHasGPKGGeometryColumns = true;
5251 1035 : osSQL += ";";
5252 1035 : osSQL += pszCREATE_GPKG_GEOMETRY_COLUMNS;
5253 : }
5254 : }
5255 :
5256 : const bool bCreateTriggers =
5257 1046 : CPLTestBool(CPLGetConfigOption("CREATE_TRIGGERS", "YES"));
5258 10 : if ((bFileExists && nBandsIn != 0 &&
5259 10 : SQLGetInteger(
5260 : hDB,
5261 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_tile_matrix_set' "
5262 : "AND type in ('table', 'view')",
5263 2092 : nullptr) == 0) ||
5264 1045 : (!bFileExists &&
5265 1036 : CPLTestBool(CPLGetConfigOption("CREATE_RASTER_TABLES", "YES"))))
5266 : {
5267 1036 : if (!osSQL.empty())
5268 1035 : osSQL += ";";
5269 :
5270 : /* From C.5. gpkg_tile_matrix_set Table 28. gpkg_tile_matrix_set Table
5271 : * Creation SQL */
5272 : osSQL += "CREATE TABLE gpkg_tile_matrix_set ("
5273 : "table_name TEXT NOT NULL PRIMARY KEY,"
5274 : "srs_id INTEGER NOT NULL,"
5275 : "min_x DOUBLE NOT NULL,"
5276 : "min_y DOUBLE NOT NULL,"
5277 : "max_x DOUBLE NOT NULL,"
5278 : "max_y DOUBLE NOT NULL,"
5279 : "CONSTRAINT fk_gtms_table_name FOREIGN KEY (table_name) "
5280 : "REFERENCES gpkg_contents(table_name),"
5281 : "CONSTRAINT fk_gtms_srs FOREIGN KEY (srs_id) REFERENCES "
5282 : "gpkg_spatial_ref_sys (srs_id)"
5283 : ")"
5284 : ";"
5285 :
5286 : /* From C.6. gpkg_tile_matrix Table 29. gpkg_tile_matrix Table
5287 : Creation SQL */
5288 : "CREATE TABLE gpkg_tile_matrix ("
5289 : "table_name TEXT NOT NULL,"
5290 : "zoom_level INTEGER NOT NULL,"
5291 : "matrix_width INTEGER NOT NULL,"
5292 : "matrix_height INTEGER NOT NULL,"
5293 : "tile_width INTEGER NOT NULL,"
5294 : "tile_height INTEGER NOT NULL,"
5295 : "pixel_x_size DOUBLE NOT NULL,"
5296 : "pixel_y_size DOUBLE NOT NULL,"
5297 : "CONSTRAINT pk_ttm PRIMARY KEY (table_name, zoom_level),"
5298 : "CONSTRAINT fk_tmm_table_name FOREIGN KEY (table_name) "
5299 : "REFERENCES gpkg_contents(table_name)"
5300 1036 : ")";
5301 :
5302 1036 : if (bCreateTriggers)
5303 : {
5304 : /* From D.1. gpkg_tile_matrix Table 39. gpkg_tile_matrix Trigger
5305 : * Definition SQL */
5306 1036 : const char *pszTileMatrixTrigger =
5307 : "CREATE TRIGGER 'gpkg_tile_matrix_zoom_level_insert' "
5308 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5309 : "FOR EACH ROW BEGIN "
5310 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5311 : "violates constraint: zoom_level cannot be less than 0') "
5312 : "WHERE (NEW.zoom_level < 0); "
5313 : "END; "
5314 : "CREATE TRIGGER 'gpkg_tile_matrix_zoom_level_update' "
5315 : "BEFORE UPDATE of zoom_level ON 'gpkg_tile_matrix' "
5316 : "FOR EACH ROW BEGIN "
5317 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5318 : "violates constraint: zoom_level cannot be less than 0') "
5319 : "WHERE (NEW.zoom_level < 0); "
5320 : "END; "
5321 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_width_insert' "
5322 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5323 : "FOR EACH ROW BEGIN "
5324 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5325 : "violates constraint: matrix_width cannot be less than 1') "
5326 : "WHERE (NEW.matrix_width < 1); "
5327 : "END; "
5328 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_width_update' "
5329 : "BEFORE UPDATE OF matrix_width ON 'gpkg_tile_matrix' "
5330 : "FOR EACH ROW BEGIN "
5331 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5332 : "violates constraint: matrix_width cannot be less than 1') "
5333 : "WHERE (NEW.matrix_width < 1); "
5334 : "END; "
5335 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_height_insert' "
5336 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5337 : "FOR EACH ROW BEGIN "
5338 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5339 : "violates constraint: matrix_height cannot be less than 1') "
5340 : "WHERE (NEW.matrix_height < 1); "
5341 : "END; "
5342 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_height_update' "
5343 : "BEFORE UPDATE OF matrix_height ON 'gpkg_tile_matrix' "
5344 : "FOR EACH ROW BEGIN "
5345 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5346 : "violates constraint: matrix_height cannot be less than 1') "
5347 : "WHERE (NEW.matrix_height < 1); "
5348 : "END; "
5349 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_x_size_insert' "
5350 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5351 : "FOR EACH ROW BEGIN "
5352 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5353 : "violates constraint: pixel_x_size must be greater than 0') "
5354 : "WHERE NOT (NEW.pixel_x_size > 0); "
5355 : "END; "
5356 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_x_size_update' "
5357 : "BEFORE UPDATE OF pixel_x_size ON 'gpkg_tile_matrix' "
5358 : "FOR EACH ROW BEGIN "
5359 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5360 : "violates constraint: pixel_x_size must be greater than 0') "
5361 : "WHERE NOT (NEW.pixel_x_size > 0); "
5362 : "END; "
5363 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_y_size_insert' "
5364 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5365 : "FOR EACH ROW BEGIN "
5366 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5367 : "violates constraint: pixel_y_size must be greater than 0') "
5368 : "WHERE NOT (NEW.pixel_y_size > 0); "
5369 : "END; "
5370 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_y_size_update' "
5371 : "BEFORE UPDATE OF pixel_y_size ON 'gpkg_tile_matrix' "
5372 : "FOR EACH ROW BEGIN "
5373 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5374 : "violates constraint: pixel_y_size must be greater than 0') "
5375 : "WHERE NOT (NEW.pixel_y_size > 0); "
5376 : "END;";
5377 1036 : osSQL += ";";
5378 1036 : osSQL += pszTileMatrixTrigger;
5379 : }
5380 : }
5381 :
5382 1046 : if (!osSQL.empty() && OGRERR_NONE != SQLCommand(hDB, osSQL))
5383 1 : return FALSE;
5384 :
5385 1045 : if (!bFileExists)
5386 : {
5387 : const char *pszMetadataTables =
5388 1035 : CSLFetchNameValue(papszOptions, "METADATA_TABLES");
5389 1035 : if (pszMetadataTables)
5390 10 : m_nCreateMetadataTables = int(CPLTestBool(pszMetadataTables));
5391 :
5392 1035 : if (m_nCreateMetadataTables == TRUE && !CreateMetadataTables())
5393 0 : return FALSE;
5394 :
5395 1035 : if (m_bHasDefinition12_063)
5396 : {
5397 84 : if (OGRERR_NONE != CreateExtensionsTableIfNecessary() ||
5398 : OGRERR_NONE !=
5399 42 : SQLCommand(hDB, "INSERT INTO gpkg_extensions "
5400 : "(table_name, column_name, extension_name, "
5401 : "definition, scope) "
5402 : "VALUES "
5403 : "('gpkg_spatial_ref_sys', "
5404 : "'definition_12_063', 'gpkg_crs_wkt', "
5405 : "'http://www.geopackage.org/spec120/"
5406 : "#extension_crs_wkt', 'read-write')"))
5407 : {
5408 0 : return FALSE;
5409 : }
5410 42 : if (m_bHasEpochColumn)
5411 : {
5412 40 : if (OGRERR_NONE !=
5413 40 : SQLCommand(
5414 : hDB, "UPDATE gpkg_extensions SET extension_name = "
5415 : "'gpkg_crs_wkt_1_1' "
5416 80 : "WHERE extension_name = 'gpkg_crs_wkt'") ||
5417 : OGRERR_NONE !=
5418 40 : SQLCommand(hDB, "INSERT INTO gpkg_extensions "
5419 : "(table_name, column_name, "
5420 : "extension_name, definition, scope) "
5421 : "VALUES "
5422 : "('gpkg_spatial_ref_sys', 'epoch', "
5423 : "'gpkg_crs_wkt_1_1', "
5424 : "'http://www.geopackage.org/spec/"
5425 : "#extension_crs_wkt', "
5426 : "'read-write')"))
5427 : {
5428 0 : return FALSE;
5429 : }
5430 : }
5431 : }
5432 : }
5433 :
5434 1045 : if (nBandsIn != 0)
5435 : {
5436 194 : const std::string osTableName = CPLGetBasenameSafe(m_pszFilename);
5437 : m_osRasterTable = CSLFetchNameValueDef(papszOptions, "RASTER_TABLE",
5438 194 : osTableName.c_str());
5439 194 : if (m_osRasterTable.empty())
5440 : {
5441 0 : CPLError(CE_Failure, CPLE_AppDefined,
5442 : "RASTER_TABLE must be set to a non empty value");
5443 0 : return FALSE;
5444 : }
5445 194 : m_bIdentifierAsCO =
5446 194 : CSLFetchNameValue(papszOptions, "RASTER_IDENTIFIER") != nullptr;
5447 : m_osIdentifier = CSLFetchNameValueDef(papszOptions, "RASTER_IDENTIFIER",
5448 194 : m_osRasterTable);
5449 194 : m_bDescriptionAsCO =
5450 194 : CSLFetchNameValue(papszOptions, "RASTER_DESCRIPTION") != nullptr;
5451 : m_osDescription =
5452 194 : CSLFetchNameValueDef(papszOptions, "RASTER_DESCRIPTION", "");
5453 194 : SetDataType(eDT);
5454 194 : if (eDT == GDT_Int16)
5455 16 : SetGlobalOffsetScale(-32768.0, 1.0);
5456 :
5457 : /* From C.7. sample_tile_pyramid (Informative) Table 31. EXAMPLE: tiles
5458 : * table Create Table SQL (Informative) */
5459 : char *pszSQL =
5460 194 : sqlite3_mprintf("CREATE TABLE \"%w\" ("
5461 : "id INTEGER PRIMARY KEY AUTOINCREMENT,"
5462 : "zoom_level INTEGER NOT NULL,"
5463 : "tile_column INTEGER NOT NULL,"
5464 : "tile_row INTEGER NOT NULL,"
5465 : "tile_data BLOB NOT NULL,"
5466 : "UNIQUE (zoom_level, tile_column, tile_row)"
5467 : ")",
5468 : m_osRasterTable.c_str());
5469 194 : osSQL = pszSQL;
5470 194 : sqlite3_free(pszSQL);
5471 :
5472 194 : if (bCreateTriggers)
5473 : {
5474 194 : osSQL += ";";
5475 194 : osSQL += CreateRasterTriggersSQL(m_osRasterTable);
5476 : }
5477 :
5478 194 : OGRErr eErr = SQLCommand(hDB, osSQL);
5479 194 : if (OGRERR_NONE != eErr)
5480 0 : return FALSE;
5481 :
5482 194 : const char *pszTF = CSLFetchNameValue(papszOptions, "TILE_FORMAT");
5483 194 : if (eDT == GDT_Int16 || eDT == GDT_UInt16)
5484 : {
5485 27 : m_eTF = GPKG_TF_PNG_16BIT;
5486 27 : if (pszTF)
5487 : {
5488 1 : if (!EQUAL(pszTF, "AUTO") && !EQUAL(pszTF, "PNG"))
5489 : {
5490 0 : CPLError(CE_Warning, CPLE_NotSupported,
5491 : "Only AUTO or PNG supported "
5492 : "as tile format for Int16 / UInt16");
5493 : }
5494 : }
5495 : }
5496 167 : else if (eDT == GDT_Float32)
5497 : {
5498 13 : m_eTF = GPKG_TF_TIFF_32BIT_FLOAT;
5499 13 : if (pszTF)
5500 : {
5501 5 : if (EQUAL(pszTF, "PNG"))
5502 5 : m_eTF = GPKG_TF_PNG_16BIT;
5503 0 : else if (!EQUAL(pszTF, "AUTO") && !EQUAL(pszTF, "TIFF"))
5504 : {
5505 0 : CPLError(CE_Warning, CPLE_NotSupported,
5506 : "Only AUTO, PNG or TIFF supported "
5507 : "as tile format for Float32");
5508 : }
5509 : }
5510 : }
5511 : else
5512 : {
5513 154 : if (pszTF)
5514 : {
5515 71 : m_eTF = GDALGPKGMBTilesGetTileFormat(pszTF);
5516 71 : if (nBandsIn == 1 && m_eTF != GPKG_TF_PNG)
5517 7 : m_bMetadataDirty = true;
5518 : }
5519 83 : else if (nBandsIn == 1)
5520 72 : m_eTF = GPKG_TF_PNG;
5521 : }
5522 :
5523 194 : if (eDT != GDT_UInt8)
5524 : {
5525 40 : if (!CreateTileGriddedTable(papszOptions))
5526 0 : return FALSE;
5527 : }
5528 :
5529 194 : nRasterXSize = nXSize;
5530 194 : nRasterYSize = nYSize;
5531 :
5532 : const char *pszTileSize =
5533 194 : CSLFetchNameValueDef(papszOptions, "BLOCKSIZE", "256");
5534 : const char *pszTileWidth =
5535 194 : CSLFetchNameValueDef(papszOptions, "BLOCKXSIZE", pszTileSize);
5536 : const char *pszTileHeight =
5537 194 : CSLFetchNameValueDef(papszOptions, "BLOCKYSIZE", pszTileSize);
5538 194 : int nTileWidth = atoi(pszTileWidth);
5539 194 : int nTileHeight = atoi(pszTileHeight);
5540 194 : if ((nTileWidth < 8 || nTileWidth > 4096 || nTileHeight < 8 ||
5541 388 : nTileHeight > 4096) &&
5542 1 : !CPLTestBool(CPLGetConfigOption("GPKG_ALLOW_CRAZY_SETTINGS", "NO")))
5543 : {
5544 0 : CPLError(CE_Failure, CPLE_AppDefined,
5545 : "Invalid block dimensions: %dx%d", nTileWidth,
5546 : nTileHeight);
5547 0 : return FALSE;
5548 : }
5549 :
5550 521 : for (int i = 1; i <= nBandsIn; i++)
5551 : {
5552 327 : SetBand(i, std::make_unique<GDALGeoPackageRasterBand>(
5553 : this, nTileWidth, nTileHeight));
5554 : }
5555 :
5556 194 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL",
5557 : "IMAGE_STRUCTURE");
5558 194 : GDALPamDataset::SetMetadataItem("IDENTIFIER", m_osIdentifier);
5559 194 : if (!m_osDescription.empty())
5560 1 : GDALPamDataset::SetMetadataItem("DESCRIPTION", m_osDescription);
5561 :
5562 194 : ParseCompressionOptions(papszOptions);
5563 :
5564 194 : if (m_eTF == GPKG_TF_WEBP)
5565 : {
5566 10 : if (!RegisterWebPExtension())
5567 0 : return FALSE;
5568 : }
5569 :
5570 : m_osTilingScheme =
5571 194 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5572 194 : if (!EQUAL(m_osTilingScheme, "CUSTOM"))
5573 : {
5574 22 : const auto poTS = GetTilingScheme(m_osTilingScheme);
5575 22 : if (!poTS)
5576 0 : return FALSE;
5577 :
5578 43 : if (nTileWidth != poTS->nTileWidth ||
5579 21 : nTileHeight != poTS->nTileHeight)
5580 : {
5581 2 : CPLError(CE_Failure, CPLE_NotSupported,
5582 : "Tile dimension should be %dx%d for %s tiling scheme",
5583 1 : poTS->nTileWidth, poTS->nTileHeight,
5584 : m_osTilingScheme.c_str());
5585 1 : return FALSE;
5586 : }
5587 :
5588 : const char *pszZoomLevel =
5589 21 : CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
5590 21 : if (pszZoomLevel)
5591 : {
5592 1 : m_nZoomLevel = atoi(pszZoomLevel);
5593 1 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
5594 1 : while ((1 << nMaxZoomLevelForThisTM) >
5595 2 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
5596 1 : (1 << nMaxZoomLevelForThisTM) >
5597 1 : INT_MAX / poTS->nTileYCountZoomLevel0)
5598 : {
5599 0 : --nMaxZoomLevelForThisTM;
5600 : }
5601 :
5602 1 : if (m_nZoomLevel < 0 || m_nZoomLevel > nMaxZoomLevelForThisTM)
5603 : {
5604 0 : CPLError(CE_Failure, CPLE_AppDefined,
5605 : "ZOOM_LEVEL = %s is invalid. It should be in "
5606 : "[0,%d] range",
5607 : pszZoomLevel, nMaxZoomLevelForThisTM);
5608 0 : return FALSE;
5609 : }
5610 : }
5611 :
5612 : // Implicitly sets SRS.
5613 21 : OGRSpatialReference oSRS;
5614 21 : if (oSRS.importFromEPSG(poTS->nEPSGCode) != OGRERR_NONE)
5615 0 : return FALSE;
5616 21 : char *pszWKT = nullptr;
5617 21 : oSRS.exportToWkt(&pszWKT);
5618 21 : SetProjection(pszWKT);
5619 21 : CPLFree(pszWKT);
5620 : }
5621 : else
5622 : {
5623 172 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5624 : {
5625 0 : CPLError(
5626 : CE_Failure, CPLE_NotSupported,
5627 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5628 0 : return false;
5629 : }
5630 : }
5631 : }
5632 :
5633 1044 : if (bFileExists && nBandsIn > 0 && eDT == GDT_UInt8)
5634 : {
5635 : // If there was an ogr_empty_table table, we can remove it
5636 9 : RemoveOGREmptyTable();
5637 : }
5638 :
5639 1044 : SoftCommitTransaction();
5640 :
5641 : /* Requirement 2 */
5642 : /* We have to do this after there's some content so the database file */
5643 : /* is not zero length */
5644 1044 : SetApplicationAndUserVersionId();
5645 :
5646 : /* Default to synchronous=off for performance for new file */
5647 2078 : if (!bFileExists &&
5648 1034 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5649 : {
5650 520 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5651 : }
5652 :
5653 : // Enable SpatiaLite 4.3 GPKG mode, i.e. that SpatiaLite functions
5654 : // that take geometries will accept and return GPKG encoded geometries without
5655 : // explicit conversion.
5656 : // Note: we need to do that after DB creation, since EnableGpkgMode()
5657 : // checks for the presence of GPKG system tables.
5658 1044 : sqlite3_exec(hDB, "SELECT EnableGpkgMode()", nullptr, nullptr, nullptr);
5659 :
5660 1044 : return TRUE;
5661 : }
5662 :
5663 : /************************************************************************/
5664 : /* RemoveOGREmptyTable() */
5665 : /************************************************************************/
5666 :
5667 861 : void GDALGeoPackageDataset::RemoveOGREmptyTable()
5668 : {
5669 : // Run with sqlite3_exec since we don't want errors to be emitted
5670 861 : sqlite3_exec(hDB, "DROP TABLE IF EXISTS ogr_empty_table", nullptr, nullptr,
5671 : nullptr);
5672 861 : sqlite3_exec(
5673 : hDB, "DELETE FROM gpkg_contents WHERE table_name = 'ogr_empty_table'",
5674 : nullptr, nullptr, nullptr);
5675 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5676 861 : if (m_bHasGPKGOGRContents)
5677 : {
5678 846 : sqlite3_exec(hDB,
5679 : "DELETE FROM gpkg_ogr_contents WHERE "
5680 : "table_name = 'ogr_empty_table'",
5681 : nullptr, nullptr, nullptr);
5682 : }
5683 : #endif
5684 861 : sqlite3_exec(hDB,
5685 : "DELETE FROM gpkg_geometry_columns WHERE "
5686 : "table_name = 'ogr_empty_table'",
5687 : nullptr, nullptr, nullptr);
5688 861 : }
5689 :
5690 : /************************************************************************/
5691 : /* CreateTileGriddedTable() */
5692 : /************************************************************************/
5693 :
5694 40 : bool GDALGeoPackageDataset::CreateTileGriddedTable(CSLConstList papszOptions)
5695 : {
5696 80 : CPLString osSQL;
5697 40 : if (!HasGriddedCoverageAncillaryTable())
5698 : {
5699 : // It doesn't exist. So create gpkg_extensions table if necessary, and
5700 : // gpkg_2d_gridded_coverage_ancillary & gpkg_2d_gridded_tile_ancillary,
5701 : // and register them as extensions.
5702 40 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
5703 0 : return false;
5704 :
5705 : // Req 1 /table-defs/coverage-ancillary
5706 : osSQL = "CREATE TABLE gpkg_2d_gridded_coverage_ancillary ("
5707 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5708 : "tile_matrix_set_name TEXT NOT NULL UNIQUE,"
5709 : "datatype TEXT NOT NULL DEFAULT 'integer',"
5710 : "scale REAL NOT NULL DEFAULT 1.0,"
5711 : "offset REAL NOT NULL DEFAULT 0.0,"
5712 : "precision REAL DEFAULT 1.0,"
5713 : "data_null REAL,"
5714 : "grid_cell_encoding TEXT DEFAULT 'grid-value-is-center',"
5715 : "uom TEXT,"
5716 : "field_name TEXT DEFAULT 'Height',"
5717 : "quantity_definition TEXT DEFAULT 'Height',"
5718 : "CONSTRAINT fk_g2dgtct_name FOREIGN KEY(tile_matrix_set_name) "
5719 : "REFERENCES gpkg_tile_matrix_set ( table_name ) "
5720 : "CHECK (datatype in ('integer','float')))"
5721 : ";"
5722 : // Requirement 2 /table-defs/tile-ancillary
5723 : "CREATE TABLE gpkg_2d_gridded_tile_ancillary ("
5724 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5725 : "tpudt_name TEXT NOT NULL,"
5726 : "tpudt_id INTEGER NOT NULL,"
5727 : "scale REAL NOT NULL DEFAULT 1.0,"
5728 : "offset REAL NOT NULL DEFAULT 0.0,"
5729 : "min REAL DEFAULT NULL,"
5730 : "max REAL DEFAULT NULL,"
5731 : "mean REAL DEFAULT NULL,"
5732 : "std_dev REAL DEFAULT NULL,"
5733 : "CONSTRAINT fk_g2dgtat_name FOREIGN KEY (tpudt_name) "
5734 : "REFERENCES gpkg_contents(table_name),"
5735 : "UNIQUE (tpudt_name, tpudt_id))"
5736 : ";"
5737 : // Requirement 6 /gpkg-extensions
5738 : "INSERT INTO gpkg_extensions "
5739 : "(table_name, column_name, extension_name, definition, scope) "
5740 : "VALUES ('gpkg_2d_gridded_coverage_ancillary', NULL, "
5741 : "'gpkg_2d_gridded_coverage', "
5742 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5743 : "'read-write')"
5744 : ";"
5745 : // Requirement 6 /gpkg-extensions
5746 : "INSERT INTO gpkg_extensions "
5747 : "(table_name, column_name, extension_name, definition, scope) "
5748 : "VALUES ('gpkg_2d_gridded_tile_ancillary', NULL, "
5749 : "'gpkg_2d_gridded_coverage', "
5750 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5751 : "'read-write')"
5752 40 : ";";
5753 : }
5754 :
5755 : // Requirement 6 /gpkg-extensions
5756 40 : char *pszSQL = sqlite3_mprintf(
5757 : "INSERT INTO gpkg_extensions "
5758 : "(table_name, column_name, extension_name, definition, scope) "
5759 : "VALUES ('%q', 'tile_data', "
5760 : "'gpkg_2d_gridded_coverage', "
5761 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5762 : "'read-write')",
5763 : m_osRasterTable.c_str());
5764 40 : osSQL += pszSQL;
5765 40 : osSQL += ";";
5766 40 : sqlite3_free(pszSQL);
5767 :
5768 : // Requirement 7 /gpkg-2d-gridded-coverage-ancillary
5769 : // Requirement 8 /gpkg-2d-gridded-coverage-ancillary-set-name
5770 : // Requirement 9 /gpkg-2d-gridded-coverage-ancillary-datatype
5771 40 : m_dfPrecision =
5772 40 : CPLAtof(CSLFetchNameValueDef(papszOptions, "PRECISION", "1"));
5773 : CPLString osGridCellEncoding(CSLFetchNameValueDef(
5774 80 : papszOptions, "GRID_CELL_ENCODING", "grid-value-is-center"));
5775 40 : m_bGridCellEncodingAsCO =
5776 40 : CSLFetchNameValue(papszOptions, "GRID_CELL_ENCODING") != nullptr;
5777 80 : CPLString osUom(CSLFetchNameValueDef(papszOptions, "UOM", ""));
5778 : CPLString osFieldName(
5779 80 : CSLFetchNameValueDef(papszOptions, "FIELD_NAME", "Height"));
5780 : CPLString osQuantityDefinition(
5781 80 : CSLFetchNameValueDef(papszOptions, "QUANTITY_DEFINITION", "Height"));
5782 :
5783 121 : pszSQL = sqlite3_mprintf(
5784 : "INSERT INTO gpkg_2d_gridded_coverage_ancillary "
5785 : "(tile_matrix_set_name, datatype, scale, offset, precision, "
5786 : "grid_cell_encoding, uom, field_name, quantity_definition) "
5787 : "VALUES (%Q, '%s', %.17g, %.17g, %.17g, %Q, %Q, %Q, %Q)",
5788 : m_osRasterTable.c_str(),
5789 40 : (m_eTF == GPKG_TF_PNG_16BIT) ? "integer" : "float", m_dfScale,
5790 : m_dfOffset, m_dfPrecision, osGridCellEncoding.c_str(),
5791 41 : osUom.empty() ? nullptr : osUom.c_str(), osFieldName.c_str(),
5792 : osQuantityDefinition.c_str());
5793 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary = pszSQL;
5794 40 : sqlite3_free(pszSQL);
5795 :
5796 : // Requirement 3 /gpkg-spatial-ref-sys-row
5797 : auto oResultTable = SQLQuery(
5798 80 : hDB, "SELECT * FROM gpkg_spatial_ref_sys WHERE srs_id = 4979 LIMIT 2");
5799 40 : bool bHasEPSG4979 = (oResultTable && oResultTable->RowCount() == 1);
5800 40 : if (!bHasEPSG4979)
5801 : {
5802 41 : if (!m_bHasDefinition12_063 &&
5803 1 : !ConvertGpkgSpatialRefSysToExtensionWkt2(/*bForceEpoch=*/false))
5804 : {
5805 0 : return false;
5806 : }
5807 :
5808 : // This is WKT 2...
5809 40 : const char *pszWKT =
5810 : "GEODCRS[\"WGS 84\","
5811 : "DATUM[\"World Geodetic System 1984\","
5812 : " ELLIPSOID[\"WGS 84\",6378137,298.257223563,"
5813 : "LENGTHUNIT[\"metre\",1.0]]],"
5814 : "CS[ellipsoidal,3],"
5815 : " AXIS[\"latitude\",north,ORDER[1],ANGLEUNIT[\"degree\","
5816 : "0.0174532925199433]],"
5817 : " AXIS[\"longitude\",east,ORDER[2],ANGLEUNIT[\"degree\","
5818 : "0.0174532925199433]],"
5819 : " AXIS[\"ellipsoidal height\",up,ORDER[3],"
5820 : "LENGTHUNIT[\"metre\",1.0]],"
5821 : "ID[\"EPSG\",4979]]";
5822 :
5823 40 : pszSQL = sqlite3_mprintf(
5824 : "INSERT INTO gpkg_spatial_ref_sys "
5825 : "(srs_name,srs_id,organization,organization_coordsys_id,"
5826 : "definition,definition_12_063) VALUES "
5827 : "('WGS 84 3D', 4979, 'EPSG', 4979, 'undefined', '%q')",
5828 : pszWKT);
5829 40 : osSQL += ";";
5830 40 : osSQL += pszSQL;
5831 40 : sqlite3_free(pszSQL);
5832 : }
5833 :
5834 40 : return SQLCommand(hDB, osSQL) == OGRERR_NONE;
5835 : }
5836 :
5837 : /************************************************************************/
5838 : /* HasGriddedCoverageAncillaryTable() */
5839 : /************************************************************************/
5840 :
5841 44 : bool GDALGeoPackageDataset::HasGriddedCoverageAncillaryTable()
5842 : {
5843 : auto oResultTable = SQLQuery(
5844 : hDB, "SELECT * FROM sqlite_master WHERE type IN ('table', 'view') AND "
5845 44 : "name = 'gpkg_2d_gridded_coverage_ancillary'");
5846 44 : bool bHasTable = (oResultTable && oResultTable->RowCount() == 1);
5847 88 : return bHasTable;
5848 : }
5849 :
5850 : /************************************************************************/
5851 : /* GetUnderlyingDataset() */
5852 : /************************************************************************/
5853 :
5854 3 : static GDALDataset *GetUnderlyingDataset(GDALDataset *poSrcDS)
5855 : {
5856 3 : if (auto poVRTDS = dynamic_cast<VRTDataset *>(poSrcDS))
5857 : {
5858 0 : auto poTmpDS = poVRTDS->GetSingleSimpleSource();
5859 0 : if (poTmpDS)
5860 0 : return poTmpDS;
5861 : }
5862 :
5863 3 : return poSrcDS;
5864 : }
5865 :
5866 : /************************************************************************/
5867 : /* CreateCopy() */
5868 : /************************************************************************/
5869 :
5870 : typedef struct
5871 : {
5872 : const char *pszName;
5873 : GDALResampleAlg eResampleAlg;
5874 : } WarpResamplingAlg;
5875 :
5876 : static const WarpResamplingAlg asResamplingAlg[] = {
5877 : {"NEAREST", GRA_NearestNeighbour},
5878 : {"BILINEAR", GRA_Bilinear},
5879 : {"CUBIC", GRA_Cubic},
5880 : {"CUBICSPLINE", GRA_CubicSpline},
5881 : {"LANCZOS", GRA_Lanczos},
5882 : {"MODE", GRA_Mode},
5883 : {"AVERAGE", GRA_Average},
5884 : {"RMS", GRA_RMS},
5885 : };
5886 :
5887 163 : GDALDataset *GDALGeoPackageDataset::CreateCopy(const char *pszFilename,
5888 : GDALDataset *poSrcDS,
5889 : int bStrict,
5890 : CSLConstList papszOptions,
5891 : GDALProgressFunc pfnProgress,
5892 : void *pProgressData)
5893 : {
5894 163 : const int nBands = poSrcDS->GetRasterCount();
5895 163 : if (nBands == 0)
5896 : {
5897 2 : GDALDataset *poDS = nullptr;
5898 : GDALDriver *poThisDriver =
5899 2 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5900 2 : if (poThisDriver != nullptr)
5901 : {
5902 2 : poDS = poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS,
5903 : bStrict, papszOptions,
5904 : pfnProgress, pProgressData);
5905 : }
5906 2 : return poDS;
5907 : }
5908 :
5909 : const char *pszTilingScheme =
5910 161 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5911 :
5912 322 : CPLStringList apszUpdatedOptions(CSLDuplicate(papszOptions));
5913 161 : if (CPLTestBool(
5914 167 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")) &&
5915 6 : CSLFetchNameValue(papszOptions, "RASTER_TABLE") == nullptr)
5916 : {
5917 : const std::string osBasename(CPLGetBasenameSafe(
5918 6 : GetUnderlyingDataset(poSrcDS)->GetDescription()));
5919 3 : apszUpdatedOptions.SetNameValue("RASTER_TABLE", osBasename.c_str());
5920 : }
5921 :
5922 161 : if (nBands != 1 && nBands != 2 && nBands != 3 && nBands != 4)
5923 : {
5924 1 : CPLError(CE_Failure, CPLE_NotSupported,
5925 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), 3 (RGB) or "
5926 : "4 (RGBA) band dataset supported");
5927 1 : return nullptr;
5928 : }
5929 :
5930 160 : const char *pszUnitType = poSrcDS->GetRasterBand(1)->GetUnitType();
5931 320 : if (CSLFetchNameValue(papszOptions, "UOM") == nullptr && pszUnitType &&
5932 160 : !EQUAL(pszUnitType, ""))
5933 : {
5934 1 : apszUpdatedOptions.SetNameValue("UOM", pszUnitType);
5935 : }
5936 :
5937 160 : if (EQUAL(pszTilingScheme, "CUSTOM"))
5938 : {
5939 136 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5940 : {
5941 0 : CPLError(CE_Failure, CPLE_NotSupported,
5942 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5943 0 : return nullptr;
5944 : }
5945 :
5946 136 : GDALGeoPackageDataset *poDS = nullptr;
5947 : GDALDriver *poThisDriver =
5948 136 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5949 136 : if (poThisDriver != nullptr)
5950 : {
5951 136 : apszUpdatedOptions.SetNameValue("SKIP_HOLES", "YES");
5952 136 : poDS = cpl::down_cast<GDALGeoPackageDataset *>(
5953 : poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS, bStrict,
5954 : apszUpdatedOptions, pfnProgress,
5955 136 : pProgressData));
5956 :
5957 252 : if (poDS != nullptr &&
5958 136 : poSrcDS->GetRasterBand(1)->GetRasterDataType() == GDT_UInt8 &&
5959 : nBands <= 3)
5960 : {
5961 76 : poDS->m_nBandCountFromMetadata = nBands;
5962 76 : poDS->m_bMetadataDirty = true;
5963 : }
5964 : }
5965 136 : if (poDS)
5966 116 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
5967 136 : return poDS;
5968 : }
5969 :
5970 48 : const auto poTS = GetTilingScheme(pszTilingScheme);
5971 24 : if (!poTS)
5972 : {
5973 2 : return nullptr;
5974 : }
5975 22 : const int nEPSGCode = poTS->nEPSGCode;
5976 :
5977 44 : OGRSpatialReference oSRS;
5978 22 : if (oSRS.importFromEPSG(nEPSGCode) != OGRERR_NONE)
5979 : {
5980 0 : return nullptr;
5981 : }
5982 22 : char *pszWKT = nullptr;
5983 22 : oSRS.exportToWkt(&pszWKT);
5984 22 : char **papszTO = CSLSetNameValue(nullptr, "DST_SRS", pszWKT);
5985 :
5986 22 : void *hTransformArg = nullptr;
5987 :
5988 : // Hack to compensate for GDALSuggestedWarpOutput2() failure (or not
5989 : // ideal suggestion with PROJ 8) when reprojecting latitude = +/- 90 to
5990 : // EPSG:3857.
5991 22 : GDALGeoTransform srcGT;
5992 22 : std::unique_ptr<GDALDataset> poTmpDS;
5993 22 : bool bEPSG3857Adjust = false;
5994 8 : if (nEPSGCode == 3857 && poSrcDS->GetGeoTransform(srcGT) == CE_None &&
5995 30 : srcGT[2] == 0 && srcGT[4] == 0 && srcGT[5] < 0)
5996 : {
5997 8 : const auto poSrcSRS = poSrcDS->GetSpatialRef();
5998 8 : if (poSrcSRS && poSrcSRS->IsGeographic())
5999 : {
6000 2 : double maxLat = srcGT[3];
6001 2 : double minLat = srcGT[3] + poSrcDS->GetRasterYSize() * srcGT[5];
6002 : // Corresponds to the latitude of below MAX_GM
6003 2 : constexpr double MAX_LAT = 85.0511287798066;
6004 2 : bool bModified = false;
6005 2 : if (maxLat > MAX_LAT)
6006 : {
6007 2 : maxLat = MAX_LAT;
6008 2 : bModified = true;
6009 : }
6010 2 : if (minLat < -MAX_LAT)
6011 : {
6012 2 : minLat = -MAX_LAT;
6013 2 : bModified = true;
6014 : }
6015 2 : if (bModified)
6016 : {
6017 4 : CPLStringList aosOptions;
6018 2 : aosOptions.AddString("-of");
6019 2 : aosOptions.AddString("VRT");
6020 2 : aosOptions.AddString("-projwin");
6021 2 : aosOptions.AddString(CPLSPrintf("%.17g", srcGT[0]));
6022 2 : aosOptions.AddString(CPLSPrintf("%.17g", maxLat));
6023 : aosOptions.AddString(CPLSPrintf(
6024 2 : "%.17g", srcGT[0] + poSrcDS->GetRasterXSize() * srcGT[1]));
6025 2 : aosOptions.AddString(CPLSPrintf("%.17g", minLat));
6026 : auto psOptions =
6027 2 : GDALTranslateOptionsNew(aosOptions.List(), nullptr);
6028 2 : poTmpDS.reset(GDALDataset::FromHandle(GDALTranslate(
6029 : "", GDALDataset::ToHandle(poSrcDS), psOptions, nullptr)));
6030 2 : GDALTranslateOptionsFree(psOptions);
6031 2 : if (poTmpDS)
6032 : {
6033 2 : bEPSG3857Adjust = true;
6034 2 : hTransformArg = GDALCreateGenImgProjTransformer2(
6035 2 : GDALDataset::FromHandle(poTmpDS.get()), nullptr,
6036 : papszTO);
6037 : }
6038 : }
6039 : }
6040 : }
6041 22 : if (hTransformArg == nullptr)
6042 : {
6043 : hTransformArg =
6044 20 : GDALCreateGenImgProjTransformer2(poSrcDS, nullptr, papszTO);
6045 : }
6046 :
6047 22 : if (hTransformArg == nullptr)
6048 : {
6049 1 : CPLFree(pszWKT);
6050 1 : CSLDestroy(papszTO);
6051 1 : return nullptr;
6052 : }
6053 :
6054 21 : GDALTransformerInfo *psInfo =
6055 : static_cast<GDALTransformerInfo *>(hTransformArg);
6056 21 : GDALGeoTransform gt;
6057 : double adfExtent[4];
6058 : int nXSize, nYSize;
6059 :
6060 21 : if (GDALSuggestedWarpOutput2(poSrcDS, psInfo->pfnTransform, hTransformArg,
6061 : gt.data(), &nXSize, &nYSize, adfExtent,
6062 21 : 0) != CE_None)
6063 : {
6064 0 : CPLFree(pszWKT);
6065 0 : CSLDestroy(papszTO);
6066 0 : GDALDestroyGenImgProjTransformer(hTransformArg);
6067 0 : return nullptr;
6068 : }
6069 :
6070 21 : GDALDestroyGenImgProjTransformer(hTransformArg);
6071 21 : hTransformArg = nullptr;
6072 21 : poTmpDS.reset();
6073 :
6074 21 : if (bEPSG3857Adjust)
6075 : {
6076 2 : constexpr double SPHERICAL_RADIUS = 6378137.0;
6077 2 : constexpr double MAX_GM =
6078 : SPHERICAL_RADIUS * M_PI; // 20037508.342789244
6079 2 : double maxNorthing = gt[3];
6080 2 : double minNorthing = gt[3] + gt[5] * nYSize;
6081 2 : bool bChanged = false;
6082 2 : if (maxNorthing > MAX_GM)
6083 : {
6084 2 : bChanged = true;
6085 2 : maxNorthing = MAX_GM;
6086 : }
6087 2 : if (minNorthing < -MAX_GM)
6088 : {
6089 2 : bChanged = true;
6090 2 : minNorthing = -MAX_GM;
6091 : }
6092 2 : if (bChanged)
6093 : {
6094 2 : gt[3] = maxNorthing;
6095 2 : nYSize = int((maxNorthing - minNorthing) / (-gt[5]) + 0.5);
6096 2 : adfExtent[1] = maxNorthing + nYSize * gt[5];
6097 2 : adfExtent[3] = maxNorthing;
6098 : }
6099 : }
6100 :
6101 21 : double dfComputedRes = gt[1];
6102 21 : double dfPrevRes = 0.0;
6103 21 : double dfRes = 0.0;
6104 21 : int nZoomLevel = 0; // Used after for.
6105 21 : const char *pszZoomLevel = CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
6106 21 : if (pszZoomLevel)
6107 : {
6108 2 : nZoomLevel = atoi(pszZoomLevel);
6109 :
6110 2 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
6111 2 : while ((1 << nMaxZoomLevelForThisTM) >
6112 4 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
6113 2 : (1 << nMaxZoomLevelForThisTM) >
6114 2 : INT_MAX / poTS->nTileYCountZoomLevel0)
6115 : {
6116 0 : --nMaxZoomLevelForThisTM;
6117 : }
6118 :
6119 2 : if (nZoomLevel < 0 || nZoomLevel > nMaxZoomLevelForThisTM)
6120 : {
6121 1 : CPLError(CE_Failure, CPLE_AppDefined,
6122 : "ZOOM_LEVEL = %s is invalid. It should be in [0,%d] range",
6123 : pszZoomLevel, nMaxZoomLevelForThisTM);
6124 1 : CPLFree(pszWKT);
6125 1 : CSLDestroy(papszTO);
6126 1 : return nullptr;
6127 : }
6128 : }
6129 : else
6130 : {
6131 171 : for (; nZoomLevel < MAX_ZOOM_LEVEL; nZoomLevel++)
6132 : {
6133 171 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6134 171 : if (dfComputedRes > dfRes ||
6135 152 : fabs(dfComputedRes - dfRes) / dfRes <= 1e-8)
6136 : break;
6137 152 : dfPrevRes = dfRes;
6138 : }
6139 38 : if (nZoomLevel == MAX_ZOOM_LEVEL ||
6140 38 : (1 << nZoomLevel) > INT_MAX / poTS->nTileXCountZoomLevel0 ||
6141 19 : (1 << nZoomLevel) > INT_MAX / poTS->nTileYCountZoomLevel0)
6142 : {
6143 0 : CPLError(CE_Failure, CPLE_AppDefined,
6144 : "Could not find an appropriate zoom level");
6145 0 : CPLFree(pszWKT);
6146 0 : CSLDestroy(papszTO);
6147 0 : return nullptr;
6148 : }
6149 :
6150 19 : if (nZoomLevel > 0 && fabs(dfComputedRes - dfRes) / dfRes > 1e-8)
6151 : {
6152 17 : const char *pszZoomLevelStrategy = CSLFetchNameValueDef(
6153 : papszOptions, "ZOOM_LEVEL_STRATEGY", "AUTO");
6154 17 : if (EQUAL(pszZoomLevelStrategy, "LOWER"))
6155 : {
6156 1 : nZoomLevel--;
6157 : }
6158 16 : else if (EQUAL(pszZoomLevelStrategy, "UPPER"))
6159 : {
6160 : /* do nothing */
6161 : }
6162 : else
6163 : {
6164 15 : if (dfPrevRes / dfComputedRes < dfComputedRes / dfRes)
6165 13 : nZoomLevel--;
6166 : }
6167 : }
6168 : }
6169 :
6170 20 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6171 :
6172 20 : double dfMinX = adfExtent[0];
6173 20 : double dfMinY = adfExtent[1];
6174 20 : double dfMaxX = adfExtent[2];
6175 20 : double dfMaxY = adfExtent[3];
6176 :
6177 20 : nXSize = static_cast<int>(0.5 + (dfMaxX - dfMinX) / dfRes);
6178 20 : nYSize = static_cast<int>(0.5 + (dfMaxY - dfMinY) / dfRes);
6179 20 : gt[1] = dfRes;
6180 20 : gt[5] = -dfRes;
6181 :
6182 20 : const GDALDataType eDT = poSrcDS->GetRasterBand(1)->GetRasterDataType();
6183 20 : int nTargetBands = nBands;
6184 : /* For grey level or RGB, if there's reprojection involved, add an alpha */
6185 : /* channel */
6186 37 : if (eDT == GDT_UInt8 &&
6187 13 : ((nBands == 1 &&
6188 17 : poSrcDS->GetRasterBand(1)->GetColorTable() == nullptr) ||
6189 : nBands == 3))
6190 : {
6191 30 : OGRSpatialReference oSrcSRS;
6192 15 : oSrcSRS.SetFromUserInput(poSrcDS->GetProjectionRef());
6193 15 : oSrcSRS.AutoIdentifyEPSG();
6194 30 : if (oSrcSRS.GetAuthorityCode() == nullptr ||
6195 15 : atoi(oSrcSRS.GetAuthorityCode()) != nEPSGCode)
6196 : {
6197 13 : nTargetBands++;
6198 : }
6199 : }
6200 :
6201 20 : GDALResampleAlg eResampleAlg = GRA_Bilinear;
6202 20 : const char *pszResampling = CSLFetchNameValue(papszOptions, "RESAMPLING");
6203 20 : if (pszResampling)
6204 : {
6205 6 : for (size_t iAlg = 0;
6206 6 : iAlg < sizeof(asResamplingAlg) / sizeof(asResamplingAlg[0]);
6207 : iAlg++)
6208 : {
6209 6 : if (EQUAL(pszResampling, asResamplingAlg[iAlg].pszName))
6210 : {
6211 3 : eResampleAlg = asResamplingAlg[iAlg].eResampleAlg;
6212 3 : break;
6213 : }
6214 : }
6215 : }
6216 :
6217 16 : if (nBands == 1 && poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr &&
6218 36 : eResampleAlg != GRA_NearestNeighbour && eResampleAlg != GRA_Mode)
6219 : {
6220 0 : CPLError(
6221 : CE_Warning, CPLE_AppDefined,
6222 : "Input dataset has a color table, which will likely lead to "
6223 : "bad results when using a resampling method other than "
6224 : "nearest neighbour or mode. Converting the dataset to 24/32 bit "
6225 : "(e.g. with gdal_translate -expand rgb/rgba) is advised.");
6226 : }
6227 :
6228 40 : auto poDS = std::make_unique<GDALGeoPackageDataset>();
6229 40 : if (!(poDS->Create(pszFilename, nXSize, nYSize, nTargetBands, eDT,
6230 20 : apszUpdatedOptions)))
6231 : {
6232 1 : CPLFree(pszWKT);
6233 1 : CSLDestroy(papszTO);
6234 1 : return nullptr;
6235 : }
6236 :
6237 : // Assign nodata values before the SetGeoTransform call.
6238 : // SetGeoTransform will trigger creation of the overview datasets for each
6239 : // zoom level and at that point the nodata value needs to be known.
6240 19 : int bHasNoData = FALSE;
6241 : double dfNoDataValue =
6242 19 : poSrcDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
6243 19 : if (eDT != GDT_UInt8 && bHasNoData)
6244 : {
6245 3 : poDS->GetRasterBand(1)->SetNoDataValue(dfNoDataValue);
6246 : }
6247 :
6248 19 : poDS->SetGeoTransform(gt);
6249 19 : poDS->SetProjection(pszWKT);
6250 19 : CPLFree(pszWKT);
6251 19 : pszWKT = nullptr;
6252 24 : if (nTargetBands == 1 && nBands == 1 &&
6253 5 : poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr)
6254 : {
6255 2 : poDS->GetRasterBand(1)->SetColorTable(
6256 1 : poSrcDS->GetRasterBand(1)->GetColorTable());
6257 : }
6258 :
6259 : hTransformArg =
6260 19 : GDALCreateGenImgProjTransformer2(poSrcDS, poDS.get(), papszTO);
6261 19 : CSLDestroy(papszTO);
6262 19 : if (hTransformArg == nullptr)
6263 : {
6264 0 : return nullptr;
6265 : }
6266 :
6267 19 : poDS->SetMetadata(poSrcDS->GetMetadata());
6268 :
6269 : /* -------------------------------------------------------------------- */
6270 : /* Warp the transformer with a linear approximator */
6271 : /* -------------------------------------------------------------------- */
6272 19 : hTransformArg = GDALCreateApproxTransformer(GDALGenImgProjTransform,
6273 : hTransformArg, 0.125);
6274 19 : GDALApproxTransformerOwnsSubtransformer(hTransformArg, TRUE);
6275 :
6276 : /* -------------------------------------------------------------------- */
6277 : /* Setup warp options. */
6278 : /* -------------------------------------------------------------------- */
6279 19 : GDALWarpOptions *psWO = GDALCreateWarpOptions();
6280 :
6281 19 : psWO->papszWarpOptions = CSLSetNameValue(nullptr, "OPTIMIZE_SIZE", "YES");
6282 19 : psWO->papszWarpOptions =
6283 19 : CSLSetNameValue(psWO->papszWarpOptions, "SAMPLE_GRID", "YES");
6284 19 : if (bHasNoData)
6285 : {
6286 3 : if (dfNoDataValue == 0.0)
6287 : {
6288 : // Do not initialize in the case where nodata != 0, since we
6289 : // want the GeoPackage driver to return empty tiles at the nodata
6290 : // value instead of 0 as GDAL core would
6291 0 : psWO->papszWarpOptions =
6292 0 : CSLSetNameValue(psWO->papszWarpOptions, "INIT_DEST", "0");
6293 : }
6294 :
6295 3 : psWO->padfSrcNoDataReal =
6296 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6297 3 : psWO->padfSrcNoDataReal[0] = dfNoDataValue;
6298 :
6299 3 : psWO->padfDstNoDataReal =
6300 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6301 3 : psWO->padfDstNoDataReal[0] = dfNoDataValue;
6302 : }
6303 19 : psWO->eWorkingDataType = eDT;
6304 19 : psWO->eResampleAlg = eResampleAlg;
6305 :
6306 19 : psWO->hSrcDS = poSrcDS;
6307 19 : psWO->hDstDS = poDS.get();
6308 :
6309 19 : psWO->pfnTransformer = GDALApproxTransform;
6310 19 : psWO->pTransformerArg = hTransformArg;
6311 :
6312 19 : psWO->pfnProgress = pfnProgress;
6313 19 : psWO->pProgressArg = pProgressData;
6314 :
6315 : /* -------------------------------------------------------------------- */
6316 : /* Setup band mapping. */
6317 : /* -------------------------------------------------------------------- */
6318 :
6319 19 : if (nBands == 2 || nBands == 4)
6320 1 : psWO->nBandCount = nBands - 1;
6321 : else
6322 18 : psWO->nBandCount = nBands;
6323 :
6324 19 : psWO->panSrcBands =
6325 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6326 19 : psWO->panDstBands =
6327 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6328 :
6329 46 : for (int i = 0; i < psWO->nBandCount; i++)
6330 : {
6331 27 : psWO->panSrcBands[i] = i + 1;
6332 27 : psWO->panDstBands[i] = i + 1;
6333 : }
6334 :
6335 19 : if (nBands == 2 || nBands == 4)
6336 : {
6337 1 : psWO->nSrcAlphaBand = nBands;
6338 : }
6339 19 : if (nTargetBands == 2 || nTargetBands == 4)
6340 : {
6341 13 : psWO->nDstAlphaBand = nTargetBands;
6342 : }
6343 :
6344 : /* -------------------------------------------------------------------- */
6345 : /* Initialize and execute the warp. */
6346 : /* -------------------------------------------------------------------- */
6347 38 : GDALWarpOperation oWO;
6348 :
6349 19 : CPLErr eErr = oWO.Initialize(psWO);
6350 19 : if (eErr == CE_None)
6351 : {
6352 : /*if( bMulti )
6353 : eErr = oWO.ChunkAndWarpMulti( 0, 0, nXSize, nYSize );
6354 : else*/
6355 19 : eErr = oWO.ChunkAndWarpImage(0, 0, nXSize, nYSize);
6356 : }
6357 19 : if (eErr != CE_None)
6358 : {
6359 0 : poDS.reset();
6360 : }
6361 :
6362 19 : GDALDestroyTransformer(hTransformArg);
6363 19 : GDALDestroyWarpOptions(psWO);
6364 :
6365 19 : if (poDS)
6366 19 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
6367 :
6368 19 : return poDS.release();
6369 : }
6370 :
6371 : /************************************************************************/
6372 : /* ParseCompressionOptions() */
6373 : /************************************************************************/
6374 :
6375 473 : void GDALGeoPackageDataset::ParseCompressionOptions(CSLConstList papszOptions)
6376 : {
6377 473 : const char *pszZLevel = CSLFetchNameValue(papszOptions, "ZLEVEL");
6378 473 : if (pszZLevel)
6379 0 : m_nZLevel = atoi(pszZLevel);
6380 :
6381 473 : const char *pszQuality = CSLFetchNameValue(papszOptions, "QUALITY");
6382 473 : if (pszQuality)
6383 0 : m_nQuality = atoi(pszQuality);
6384 :
6385 473 : const char *pszDither = CSLFetchNameValue(papszOptions, "DITHER");
6386 473 : if (pszDither)
6387 0 : m_bDither = CPLTestBool(pszDither);
6388 473 : }
6389 :
6390 : /************************************************************************/
6391 : /* RegisterWebPExtension() */
6392 : /************************************************************************/
6393 :
6394 11 : bool GDALGeoPackageDataset::RegisterWebPExtension()
6395 : {
6396 11 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6397 0 : return false;
6398 :
6399 11 : char *pszSQL = sqlite3_mprintf(
6400 : "INSERT INTO gpkg_extensions "
6401 : "(table_name, column_name, extension_name, definition, scope) "
6402 : "VALUES "
6403 : "('%q', 'tile_data', 'gpkg_webp', "
6404 : "'http://www.geopackage.org/spec120/#extension_tiles_webp', "
6405 : "'read-write')",
6406 : m_osRasterTable.c_str());
6407 11 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6408 11 : sqlite3_free(pszSQL);
6409 :
6410 11 : return OGRERR_NONE == eErr;
6411 : }
6412 :
6413 : /************************************************************************/
6414 : /* RegisterZoomOtherExtension() */
6415 : /************************************************************************/
6416 :
6417 1 : bool GDALGeoPackageDataset::RegisterZoomOtherExtension()
6418 : {
6419 1 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6420 0 : return false;
6421 :
6422 1 : char *pszSQL = sqlite3_mprintf(
6423 : "INSERT INTO gpkg_extensions "
6424 : "(table_name, column_name, extension_name, definition, scope) "
6425 : "VALUES "
6426 : "('%q', 'tile_data', 'gpkg_zoom_other', "
6427 : "'http://www.geopackage.org/spec120/#extension_zoom_other_intervals', "
6428 : "'read-write')",
6429 : m_osRasterTable.c_str());
6430 1 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6431 1 : sqlite3_free(pszSQL);
6432 1 : return OGRERR_NONE == eErr;
6433 : }
6434 :
6435 : /************************************************************************/
6436 : /* GetLayer() */
6437 : /************************************************************************/
6438 :
6439 16900 : const OGRLayer *GDALGeoPackageDataset::GetLayer(int iLayer) const
6440 :
6441 : {
6442 16900 : if (iLayer < 0 || iLayer >= static_cast<int>(m_apoLayers.size()))
6443 7 : return nullptr;
6444 : else
6445 16893 : return m_apoLayers[iLayer].get();
6446 : }
6447 :
6448 : /************************************************************************/
6449 : /* LaunderName() */
6450 : /************************************************************************/
6451 :
6452 : /** Launder identifiers (table, column names) according to guidance at
6453 : * https://www.geopackage.org/guidance/getting-started.html:
6454 : * "For maximum interoperability, start your database identifiers (table names,
6455 : * column names, etc.) with a lowercase character and only use lowercase
6456 : * characters, numbers 0-9, and underscores (_)."
6457 : */
6458 :
6459 : /* static */
6460 5 : std::string GDALGeoPackageDataset::LaunderName(const std::string &osStr)
6461 : {
6462 5 : char *pszASCII = CPLUTF8ForceToASCII(osStr.c_str(), '_');
6463 10 : const std::string osStrASCII(pszASCII);
6464 5 : CPLFree(pszASCII);
6465 :
6466 10 : std::string osRet;
6467 5 : osRet.reserve(osStrASCII.size());
6468 :
6469 29 : for (size_t i = 0; i < osStrASCII.size(); ++i)
6470 : {
6471 24 : if (osRet.empty())
6472 : {
6473 5 : if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6474 : {
6475 2 : osRet += (osStrASCII[i] - 'A' + 'a');
6476 : }
6477 3 : else if (osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z')
6478 : {
6479 2 : osRet += osStrASCII[i];
6480 : }
6481 : else
6482 : {
6483 1 : continue;
6484 : }
6485 : }
6486 19 : else if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6487 : {
6488 11 : osRet += (osStrASCII[i] - 'A' + 'a');
6489 : }
6490 9 : else if ((osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z') ||
6491 14 : (osStrASCII[i] >= '0' && osStrASCII[i] <= '9') ||
6492 5 : osStrASCII[i] == '_')
6493 : {
6494 7 : osRet += osStrASCII[i];
6495 : }
6496 : else
6497 : {
6498 1 : osRet += '_';
6499 : }
6500 : }
6501 :
6502 5 : if (osRet.empty() && !osStrASCII.empty())
6503 2 : return LaunderName(std::string("x").append(osStrASCII));
6504 :
6505 4 : if (osRet != osStr)
6506 : {
6507 3 : CPLDebug("PG", "LaunderName('%s') -> '%s'", osStr.c_str(),
6508 : osRet.c_str());
6509 : }
6510 :
6511 4 : return osRet;
6512 : }
6513 :
6514 : /************************************************************************/
6515 : /* ICreateLayer() */
6516 : /************************************************************************/
6517 :
6518 : OGRLayer *
6519 966 : GDALGeoPackageDataset::ICreateLayer(const char *pszLayerName,
6520 : const OGRGeomFieldDefn *poSrcGeomFieldDefn,
6521 : CSLConstList papszOptions)
6522 : {
6523 : /* -------------------------------------------------------------------- */
6524 : /* Verify we are in update mode. */
6525 : /* -------------------------------------------------------------------- */
6526 966 : if (!GetUpdate())
6527 : {
6528 0 : CPLError(CE_Failure, CPLE_NoWriteAccess,
6529 : "Data source %s opened read-only.\n"
6530 : "New layer %s cannot be created.\n",
6531 : m_pszFilename, pszLayerName);
6532 :
6533 0 : return nullptr;
6534 : }
6535 :
6536 : const bool bLaunder =
6537 966 : CPLTestBool(CSLFetchNameValueDef(papszOptions, "LAUNDER", "NO"));
6538 : const std::string osTableName(bLaunder ? LaunderName(pszLayerName)
6539 2898 : : std::string(pszLayerName));
6540 :
6541 : const auto eGType =
6542 966 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetType() : wkbNone;
6543 : const auto poSpatialRef =
6544 966 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetSpatialRef() : nullptr;
6545 :
6546 966 : if (!m_bHasGPKGGeometryColumns)
6547 : {
6548 1 : if (SQLCommand(hDB, pszCREATE_GPKG_GEOMETRY_COLUMNS) != OGRERR_NONE)
6549 : {
6550 0 : return nullptr;
6551 : }
6552 1 : m_bHasGPKGGeometryColumns = true;
6553 : }
6554 :
6555 : // Check identifier unicity
6556 966 : const char *pszIdentifier = CSLFetchNameValue(papszOptions, "IDENTIFIER");
6557 966 : if (pszIdentifier != nullptr && pszIdentifier[0] == '\0')
6558 0 : pszIdentifier = nullptr;
6559 966 : if (pszIdentifier != nullptr)
6560 : {
6561 13 : for (auto &poLayer : m_apoLayers)
6562 : {
6563 : const char *pszOtherIdentifier =
6564 9 : poLayer->GetMetadataItem("IDENTIFIER");
6565 9 : if (pszOtherIdentifier == nullptr)
6566 6 : pszOtherIdentifier = poLayer->GetName();
6567 18 : if (pszOtherIdentifier != nullptr &&
6568 12 : EQUAL(pszOtherIdentifier, pszIdentifier) &&
6569 3 : !EQUAL(poLayer->GetName(), osTableName.c_str()))
6570 : {
6571 2 : CPLError(CE_Failure, CPLE_AppDefined,
6572 : "Identifier %s is already used by table %s",
6573 : pszIdentifier, poLayer->GetName());
6574 2 : return nullptr;
6575 : }
6576 : }
6577 :
6578 : // In case there would be table in gpkg_contents not listed as a
6579 : // vector layer
6580 4 : char *pszSQL = sqlite3_mprintf(
6581 : "SELECT table_name FROM gpkg_contents WHERE identifier = '%q' "
6582 : "LIMIT 2",
6583 : pszIdentifier);
6584 4 : auto oResult = SQLQuery(hDB, pszSQL);
6585 4 : sqlite3_free(pszSQL);
6586 8 : if (oResult && oResult->RowCount() > 0 &&
6587 9 : oResult->GetValue(0, 0) != nullptr &&
6588 1 : !EQUAL(oResult->GetValue(0, 0), osTableName.c_str()))
6589 : {
6590 1 : CPLError(CE_Failure, CPLE_AppDefined,
6591 : "Identifier %s is already used by table %s", pszIdentifier,
6592 : oResult->GetValue(0, 0));
6593 1 : return nullptr;
6594 : }
6595 : }
6596 :
6597 : /* Read GEOMETRY_NAME option */
6598 : const char *pszGeomColumnName =
6599 963 : CSLFetchNameValue(papszOptions, "GEOMETRY_NAME");
6600 963 : if (pszGeomColumnName == nullptr) /* deprecated name */
6601 876 : pszGeomColumnName = CSLFetchNameValue(papszOptions, "GEOMETRY_COLUMN");
6602 963 : if (pszGeomColumnName == nullptr && poSrcGeomFieldDefn)
6603 : {
6604 794 : pszGeomColumnName = poSrcGeomFieldDefn->GetNameRef();
6605 794 : if (pszGeomColumnName && pszGeomColumnName[0] == 0)
6606 759 : pszGeomColumnName = nullptr;
6607 : }
6608 963 : if (pszGeomColumnName == nullptr)
6609 841 : pszGeomColumnName = "geom";
6610 : const bool bGeomNullable =
6611 963 : CPLFetchBool(papszOptions, "GEOMETRY_NULLABLE", true);
6612 :
6613 : /* Read FID option */
6614 963 : const char *pszFIDColumnName = CSLFetchNameValue(papszOptions, "FID");
6615 963 : if (pszFIDColumnName == nullptr)
6616 872 : pszFIDColumnName = "fid";
6617 :
6618 963 : if (CPLTestBool(CPLGetConfigOption("GPKG_NAME_CHECK", "YES")))
6619 : {
6620 963 : if (strspn(pszFIDColumnName, "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") > 0)
6621 : {
6622 2 : CPLError(CE_Failure, CPLE_AppDefined,
6623 : "The primary key (%s) name may not contain special "
6624 : "characters or spaces",
6625 : pszFIDColumnName);
6626 2 : return nullptr;
6627 : }
6628 :
6629 : /* Avoiding gpkg prefixes is not an official requirement, but seems wise
6630 : */
6631 961 : if (STARTS_WITH(osTableName.c_str(), "gpkg"))
6632 : {
6633 0 : CPLError(CE_Failure, CPLE_AppDefined,
6634 : "The layer name may not begin with 'gpkg' as it is a "
6635 : "reserved geopackage prefix");
6636 0 : return nullptr;
6637 : }
6638 :
6639 : /* Preemptively try and avoid sqlite3 syntax errors due to */
6640 : /* illegal characters. */
6641 961 : if (strspn(osTableName.c_str(), "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") >
6642 : 0)
6643 : {
6644 0 : CPLError(
6645 : CE_Failure, CPLE_AppDefined,
6646 : "The layer name may not contain special characters or spaces");
6647 0 : return nullptr;
6648 : }
6649 : }
6650 :
6651 : /* Check for any existing layers that already use this name */
6652 1204 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6653 : iLayer++)
6654 : {
6655 244 : if (EQUAL(osTableName.c_str(), m_apoLayers[iLayer]->GetName()))
6656 : {
6657 : const char *pszOverwrite =
6658 2 : CSLFetchNameValue(papszOptions, "OVERWRITE");
6659 2 : if (pszOverwrite != nullptr && CPLTestBool(pszOverwrite))
6660 : {
6661 1 : DeleteLayer(iLayer);
6662 : }
6663 : else
6664 : {
6665 1 : CPLError(CE_Failure, CPLE_AppDefined,
6666 : "Layer %s already exists, CreateLayer failed.\n"
6667 : "Use the layer creation option OVERWRITE=YES to "
6668 : "replace it.",
6669 : osTableName.c_str());
6670 1 : return nullptr;
6671 : }
6672 : }
6673 : }
6674 :
6675 960 : if (m_apoLayers.size() == 1)
6676 : {
6677 : // Async RTree building doesn't play well with multiple layer:
6678 : // SQLite3 locks being hold for a long time, random failed commits,
6679 : // etc.
6680 95 : m_apoLayers[0]->FinishOrDisableThreadedRTree();
6681 : }
6682 :
6683 : /* Create a blank layer. */
6684 : auto poLayer =
6685 1920 : std::make_unique<OGRGeoPackageTableLayer>(this, osTableName.c_str());
6686 :
6687 1920 : OGRSpatialReferenceRefCountedPtr poSRS;
6688 960 : if (poSpatialRef)
6689 : {
6690 328 : poSRS = OGRSpatialReferenceRefCountedPtr::makeClone(poSpatialRef);
6691 328 : poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
6692 : }
6693 2881 : poLayer->SetCreationParameters(
6694 : eGType,
6695 961 : bLaunder ? LaunderName(pszGeomColumnName).c_str() : pszGeomColumnName,
6696 960 : bGeomNullable, poSRS.get(), CSLFetchNameValue(papszOptions, "SRID"),
6697 1920 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetCoordinatePrecision()
6698 : : OGRGeomCoordinatePrecision(),
6699 960 : CPLTestBool(
6700 : CSLFetchNameValueDef(papszOptions, "DISCARD_COORD_LSB", "NO")),
6701 960 : CPLTestBool(CSLFetchNameValueDef(
6702 : papszOptions, "UNDO_DISCARD_COORD_LSB_ON_READING", "NO")),
6703 961 : bLaunder ? LaunderName(pszFIDColumnName).c_str() : pszFIDColumnName,
6704 : pszIdentifier, CSLFetchNameValue(papszOptions, "DESCRIPTION"));
6705 :
6706 960 : poLayer->SetLaunder(bLaunder);
6707 :
6708 : /* Should we create a spatial index ? */
6709 960 : const char *pszSI = CSLFetchNameValue(papszOptions, "SPATIAL_INDEX");
6710 960 : int bCreateSpatialIndex = (pszSI == nullptr || CPLTestBool(pszSI));
6711 960 : if (eGType != wkbNone && bCreateSpatialIndex)
6712 : {
6713 856 : poLayer->SetDeferredSpatialIndexCreation(true);
6714 : }
6715 :
6716 960 : poLayer->SetPrecisionFlag(CPLFetchBool(papszOptions, "PRECISION", true));
6717 960 : poLayer->SetTruncateFieldsFlag(
6718 960 : CPLFetchBool(papszOptions, "TRUNCATE_FIELDS", false));
6719 960 : if (eGType == wkbNone)
6720 : {
6721 82 : const char *pszASpatialVariant = CSLFetchNameValueDef(
6722 : papszOptions, "ASPATIAL_VARIANT",
6723 82 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound
6724 : ? "NOT_REGISTERED"
6725 : : "GPKG_ATTRIBUTES");
6726 82 : GPKGASpatialVariant eASpatialVariant = GPKG_ATTRIBUTES;
6727 82 : if (EQUAL(pszASpatialVariant, "GPKG_ATTRIBUTES"))
6728 70 : eASpatialVariant = GPKG_ATTRIBUTES;
6729 12 : else if (EQUAL(pszASpatialVariant, "OGR_ASPATIAL"))
6730 : {
6731 0 : CPLError(CE_Failure, CPLE_NotSupported,
6732 : "ASPATIAL_VARIANT=OGR_ASPATIAL is no longer supported");
6733 0 : return nullptr;
6734 : }
6735 12 : else if (EQUAL(pszASpatialVariant, "NOT_REGISTERED"))
6736 12 : eASpatialVariant = NOT_REGISTERED;
6737 : else
6738 : {
6739 0 : CPLError(CE_Failure, CPLE_NotSupported,
6740 : "Unsupported value for ASPATIAL_VARIANT: %s",
6741 : pszASpatialVariant);
6742 0 : return nullptr;
6743 : }
6744 82 : poLayer->SetASpatialVariant(eASpatialVariant);
6745 : }
6746 :
6747 : const char *pszDateTimePrecision =
6748 960 : CSLFetchNameValueDef(papszOptions, "DATETIME_PRECISION", "AUTO");
6749 960 : if (EQUAL(pszDateTimePrecision, "MILLISECOND"))
6750 : {
6751 2 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6752 : }
6753 958 : else if (EQUAL(pszDateTimePrecision, "SECOND"))
6754 : {
6755 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6756 0 : CPLError(
6757 : CE_Warning, CPLE_AppDefined,
6758 : "DATETIME_PRECISION=SECOND is only valid since GeoPackage 1.4");
6759 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::SECOND);
6760 : }
6761 957 : else if (EQUAL(pszDateTimePrecision, "MINUTE"))
6762 : {
6763 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6764 0 : CPLError(
6765 : CE_Warning, CPLE_AppDefined,
6766 : "DATETIME_PRECISION=MINUTE is only valid since GeoPackage 1.4");
6767 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MINUTE);
6768 : }
6769 956 : else if (EQUAL(pszDateTimePrecision, "AUTO"))
6770 : {
6771 955 : if (m_nUserVersion < GPKG_1_4_VERSION)
6772 13 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6773 : }
6774 : else
6775 : {
6776 1 : CPLError(CE_Failure, CPLE_NotSupported,
6777 : "Unsupported value for DATETIME_PRECISION: %s",
6778 : pszDateTimePrecision);
6779 1 : return nullptr;
6780 : }
6781 :
6782 : // If there was an ogr_empty_table table, we can remove it
6783 : // But do it at dataset closing, otherwise locking performance issues
6784 : // can arise (probably when transactions are used).
6785 959 : m_bRemoveOGREmptyTable = true;
6786 :
6787 959 : m_apoLayers.emplace_back(std::move(poLayer));
6788 959 : return m_apoLayers.back().get();
6789 : }
6790 :
6791 : /************************************************************************/
6792 : /* FindLayerIndex() */
6793 : /************************************************************************/
6794 :
6795 29 : int GDALGeoPackageDataset::FindLayerIndex(const char *pszLayerName)
6796 :
6797 : {
6798 51 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6799 : iLayer++)
6800 : {
6801 35 : if (EQUAL(pszLayerName, m_apoLayers[iLayer]->GetName()))
6802 13 : return iLayer;
6803 : }
6804 16 : return -1;
6805 : }
6806 :
6807 : /************************************************************************/
6808 : /* DeleteLayerCommon() */
6809 : /************************************************************************/
6810 :
6811 43 : OGRErr GDALGeoPackageDataset::DeleteLayerCommon(const char *pszLayerName)
6812 : {
6813 : // Temporary remove foreign key checks
6814 : const GPKGTemporaryForeignKeyCheckDisabler
6815 43 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6816 :
6817 43 : char *pszSQL = sqlite3_mprintf(
6818 : "DELETE FROM gpkg_contents WHERE lower(table_name) = lower('%q')",
6819 : pszLayerName);
6820 43 : OGRErr eErr = SQLCommand(hDB, pszSQL);
6821 43 : sqlite3_free(pszSQL);
6822 :
6823 43 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6824 : {
6825 41 : pszSQL = sqlite3_mprintf(
6826 : "DELETE FROM gpkg_extensions WHERE lower(table_name) = lower('%q')",
6827 : pszLayerName);
6828 41 : eErr = SQLCommand(hDB, pszSQL);
6829 41 : sqlite3_free(pszSQL);
6830 : }
6831 :
6832 43 : if (eErr == OGRERR_NONE && HasMetadataTables())
6833 : {
6834 : // Delete from gpkg_metadata metadata records that are only referenced
6835 : // by the table we are about to drop
6836 12 : pszSQL = sqlite3_mprintf(
6837 : "DELETE FROM gpkg_metadata WHERE id IN ("
6838 : "SELECT DISTINCT md_file_id FROM "
6839 : "gpkg_metadata_reference WHERE "
6840 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6841 : "AND id NOT IN ("
6842 : "SELECT DISTINCT md_file_id FROM gpkg_metadata_reference WHERE "
6843 : "md_file_id IN (SELECT DISTINCT md_file_id FROM "
6844 : "gpkg_metadata_reference WHERE "
6845 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6846 : "AND lower(table_name) <> lower('%q'))",
6847 : pszLayerName, pszLayerName, pszLayerName);
6848 12 : eErr = SQLCommand(hDB, pszSQL);
6849 12 : sqlite3_free(pszSQL);
6850 :
6851 12 : if (eErr == OGRERR_NONE)
6852 : {
6853 : pszSQL =
6854 12 : sqlite3_mprintf("DELETE FROM gpkg_metadata_reference WHERE "
6855 : "lower(table_name) = lower('%q')",
6856 : pszLayerName);
6857 12 : eErr = SQLCommand(hDB, pszSQL);
6858 12 : sqlite3_free(pszSQL);
6859 : }
6860 : }
6861 :
6862 43 : if (eErr == OGRERR_NONE && HasGpkgextRelationsTable())
6863 : {
6864 : // Remove reference to potential corresponding mapping table in
6865 : // gpkg_extensions
6866 4 : pszSQL = sqlite3_mprintf(
6867 : "DELETE FROM gpkg_extensions WHERE "
6868 : "extension_name IN ('related_tables', "
6869 : "'gpkg_related_tables') AND lower(table_name) = "
6870 : "(SELECT lower(mapping_table_name) FROM gpkgext_relations WHERE "
6871 : "lower(base_table_name) = lower('%q') OR "
6872 : "lower(related_table_name) = lower('%q') OR "
6873 : "lower(mapping_table_name) = lower('%q'))",
6874 : pszLayerName, pszLayerName, pszLayerName);
6875 4 : eErr = SQLCommand(hDB, pszSQL);
6876 4 : sqlite3_free(pszSQL);
6877 :
6878 4 : if (eErr == OGRERR_NONE)
6879 : {
6880 : // Remove reference to potential corresponding mapping table in
6881 : // gpkgext_relations
6882 : pszSQL =
6883 4 : sqlite3_mprintf("DELETE FROM gpkgext_relations WHERE "
6884 : "lower(base_table_name) = lower('%q') OR "
6885 : "lower(related_table_name) = lower('%q') OR "
6886 : "lower(mapping_table_name) = lower('%q')",
6887 : pszLayerName, pszLayerName, pszLayerName);
6888 4 : eErr = SQLCommand(hDB, pszSQL);
6889 4 : sqlite3_free(pszSQL);
6890 : }
6891 :
6892 4 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6893 : {
6894 : // If there is no longer any mapping table, then completely
6895 : // remove any reference to the extension in gpkg_extensions
6896 : // as mandated per the related table specification.
6897 : OGRErr err;
6898 4 : if (SQLGetInteger(hDB,
6899 : "SELECT COUNT(*) FROM gpkg_extensions WHERE "
6900 : "extension_name IN ('related_tables', "
6901 : "'gpkg_related_tables') AND "
6902 : "lower(table_name) != 'gpkgext_relations'",
6903 4 : &err) == 0)
6904 : {
6905 2 : eErr = SQLCommand(hDB, "DELETE FROM gpkg_extensions WHERE "
6906 : "extension_name IN ('related_tables', "
6907 : "'gpkg_related_tables')");
6908 : }
6909 :
6910 4 : ClearCachedRelationships();
6911 : }
6912 : }
6913 :
6914 43 : if (eErr == OGRERR_NONE)
6915 : {
6916 43 : pszSQL = sqlite3_mprintf("DROP TABLE \"%w\"", pszLayerName);
6917 43 : eErr = SQLCommand(hDB, pszSQL);
6918 43 : sqlite3_free(pszSQL);
6919 : }
6920 :
6921 : // Check foreign key integrity
6922 43 : if (eErr == OGRERR_NONE)
6923 : {
6924 43 : eErr = PragmaCheck("foreign_key_check", "", 0);
6925 : }
6926 :
6927 86 : return eErr;
6928 : }
6929 :
6930 : /************************************************************************/
6931 : /* DeleteLayer() */
6932 : /************************************************************************/
6933 :
6934 40 : OGRErr GDALGeoPackageDataset::DeleteLayer(int iLayer)
6935 : {
6936 79 : if (!GetUpdate() || iLayer < 0 ||
6937 39 : iLayer >= static_cast<int>(m_apoLayers.size()))
6938 2 : return OGRERR_FAILURE;
6939 :
6940 38 : m_apoLayers[iLayer]->ResetReading();
6941 38 : m_apoLayers[iLayer]->SyncToDisk();
6942 :
6943 76 : CPLString osLayerName = m_apoLayers[iLayer]->GetName();
6944 :
6945 38 : CPLDebug("GPKG", "DeleteLayer(%s)", osLayerName.c_str());
6946 :
6947 : // Temporary remove foreign key checks
6948 : const GPKGTemporaryForeignKeyCheckDisabler
6949 38 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6950 :
6951 38 : OGRErr eErr = SoftStartTransaction();
6952 :
6953 38 : if (eErr == OGRERR_NONE)
6954 : {
6955 38 : if (m_apoLayers[iLayer]->HasSpatialIndex())
6956 35 : m_apoLayers[iLayer]->DropSpatialIndex();
6957 :
6958 : char *pszSQL =
6959 38 : sqlite3_mprintf("DELETE FROM gpkg_geometry_columns WHERE "
6960 : "lower(table_name) = lower('%q')",
6961 : osLayerName.c_str());
6962 38 : eErr = SQLCommand(hDB, pszSQL);
6963 38 : sqlite3_free(pszSQL);
6964 : }
6965 :
6966 38 : if (eErr == OGRERR_NONE && HasDataColumnsTable())
6967 : {
6968 1 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_data_columns WHERE "
6969 : "lower(table_name) = lower('%q')",
6970 : osLayerName.c_str());
6971 1 : eErr = SQLCommand(hDB, pszSQL);
6972 1 : sqlite3_free(pszSQL);
6973 : }
6974 :
6975 : #ifdef ENABLE_GPKG_OGR_CONTENTS
6976 38 : if (eErr == OGRERR_NONE && m_bHasGPKGOGRContents)
6977 : {
6978 38 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_ogr_contents WHERE "
6979 : "lower(table_name) = lower('%q')",
6980 : osLayerName.c_str());
6981 38 : eErr = SQLCommand(hDB, pszSQL);
6982 38 : sqlite3_free(pszSQL);
6983 : }
6984 : #endif
6985 :
6986 38 : if (eErr == OGRERR_NONE)
6987 : {
6988 38 : eErr = DeleteLayerCommon(osLayerName.c_str());
6989 : }
6990 :
6991 38 : if (eErr == OGRERR_NONE)
6992 : {
6993 38 : eErr = SoftCommitTransaction();
6994 38 : if (eErr == OGRERR_NONE)
6995 : {
6996 : /* Delete the layer object */
6997 38 : m_apoLayers.erase(m_apoLayers.begin() + iLayer);
6998 : }
6999 : }
7000 : else
7001 : {
7002 0 : SoftRollbackTransaction();
7003 : }
7004 :
7005 38 : return eErr;
7006 : }
7007 :
7008 : /************************************************************************/
7009 : /* DeleteRasterLayer() */
7010 : /************************************************************************/
7011 :
7012 2 : OGRErr GDALGeoPackageDataset::DeleteRasterLayer(const char *pszLayerName)
7013 : {
7014 : // Temporary remove foreign key checks
7015 : const GPKGTemporaryForeignKeyCheckDisabler
7016 2 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7017 :
7018 2 : OGRErr eErr = SoftStartTransaction();
7019 :
7020 2 : if (eErr == OGRERR_NONE)
7021 : {
7022 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix WHERE "
7023 : "lower(table_name) = lower('%q')",
7024 : pszLayerName);
7025 2 : eErr = SQLCommand(hDB, pszSQL);
7026 2 : sqlite3_free(pszSQL);
7027 : }
7028 :
7029 2 : if (eErr == OGRERR_NONE)
7030 : {
7031 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix_set WHERE "
7032 : "lower(table_name) = lower('%q')",
7033 : pszLayerName);
7034 2 : eErr = SQLCommand(hDB, pszSQL);
7035 2 : sqlite3_free(pszSQL);
7036 : }
7037 :
7038 2 : if (eErr == OGRERR_NONE && HasGriddedCoverageAncillaryTable())
7039 : {
7040 : char *pszSQL =
7041 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_coverage_ancillary "
7042 : "WHERE lower(tile_matrix_set_name) = lower('%q')",
7043 : pszLayerName);
7044 1 : eErr = SQLCommand(hDB, pszSQL);
7045 1 : sqlite3_free(pszSQL);
7046 :
7047 1 : if (eErr == OGRERR_NONE)
7048 : {
7049 : pszSQL =
7050 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_tile_ancillary "
7051 : "WHERE lower(tpudt_name) = lower('%q')",
7052 : pszLayerName);
7053 1 : eErr = SQLCommand(hDB, pszSQL);
7054 1 : sqlite3_free(pszSQL);
7055 : }
7056 : }
7057 :
7058 2 : if (eErr == OGRERR_NONE)
7059 : {
7060 2 : eErr = DeleteLayerCommon(pszLayerName);
7061 : }
7062 :
7063 2 : if (eErr == OGRERR_NONE)
7064 : {
7065 2 : eErr = SoftCommitTransaction();
7066 : }
7067 : else
7068 : {
7069 0 : SoftRollbackTransaction();
7070 : }
7071 :
7072 4 : return eErr;
7073 : }
7074 :
7075 : /************************************************************************/
7076 : /* DeleteVectorOrRasterLayer() */
7077 : /************************************************************************/
7078 :
7079 13 : bool GDALGeoPackageDataset::DeleteVectorOrRasterLayer(const char *pszLayerName)
7080 : {
7081 :
7082 13 : int idx = FindLayerIndex(pszLayerName);
7083 13 : if (idx >= 0)
7084 : {
7085 5 : DeleteLayer(idx);
7086 5 : return true;
7087 : }
7088 :
7089 : char *pszSQL =
7090 8 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7091 : "lower(table_name) = lower('%q') "
7092 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7093 : pszLayerName);
7094 8 : bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7095 8 : sqlite3_free(pszSQL);
7096 8 : if (bIsRasterTable)
7097 : {
7098 2 : DeleteRasterLayer(pszLayerName);
7099 2 : return true;
7100 : }
7101 6 : return false;
7102 : }
7103 :
7104 7 : bool GDALGeoPackageDataset::RenameVectorOrRasterLayer(
7105 : const char *pszLayerName, const char *pszNewLayerName)
7106 : {
7107 7 : int idx = FindLayerIndex(pszLayerName);
7108 7 : if (idx >= 0)
7109 : {
7110 4 : m_apoLayers[idx]->Rename(pszNewLayerName);
7111 4 : return true;
7112 : }
7113 :
7114 : char *pszSQL =
7115 3 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7116 : "lower(table_name) = lower('%q') "
7117 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7118 : pszLayerName);
7119 3 : const bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7120 3 : sqlite3_free(pszSQL);
7121 :
7122 3 : if (bIsRasterTable)
7123 : {
7124 2 : return RenameRasterLayer(pszLayerName, pszNewLayerName);
7125 : }
7126 :
7127 1 : return false;
7128 : }
7129 :
7130 2 : bool GDALGeoPackageDataset::RenameRasterLayer(const char *pszLayerName,
7131 : const char *pszNewLayerName)
7132 : {
7133 4 : std::string osSQL;
7134 :
7135 2 : char *pszSQL = sqlite3_mprintf(
7136 : "SELECT 1 FROM sqlite_master WHERE lower(name) = lower('%q') "
7137 : "AND type IN ('table', 'view')",
7138 : pszNewLayerName);
7139 2 : const bool bAlreadyExists = SQLGetInteger(GetDB(), pszSQL, nullptr) == 1;
7140 2 : sqlite3_free(pszSQL);
7141 2 : if (bAlreadyExists)
7142 : {
7143 0 : CPLError(CE_Failure, CPLE_AppDefined, "Table %s already exists",
7144 : pszNewLayerName);
7145 0 : return false;
7146 : }
7147 :
7148 : // Temporary remove foreign key checks
7149 : const GPKGTemporaryForeignKeyCheckDisabler
7150 4 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7151 :
7152 2 : if (SoftStartTransaction() != OGRERR_NONE)
7153 : {
7154 0 : return false;
7155 : }
7156 :
7157 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET table_name = '%q' WHERE "
7158 : "lower(table_name) = lower('%q');",
7159 : pszNewLayerName, pszLayerName);
7160 2 : osSQL = pszSQL;
7161 2 : sqlite3_free(pszSQL);
7162 :
7163 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' WHERE "
7164 : "lower(identifier) = lower('%q');",
7165 : pszNewLayerName, pszLayerName);
7166 2 : osSQL += pszSQL;
7167 2 : sqlite3_free(pszSQL);
7168 :
7169 : pszSQL =
7170 2 : sqlite3_mprintf("UPDATE gpkg_tile_matrix SET table_name = '%q' WHERE "
7171 : "lower(table_name) = lower('%q');",
7172 : pszNewLayerName, pszLayerName);
7173 2 : osSQL += pszSQL;
7174 2 : sqlite3_free(pszSQL);
7175 :
7176 2 : pszSQL = sqlite3_mprintf(
7177 : "UPDATE gpkg_tile_matrix_set SET table_name = '%q' WHERE "
7178 : "lower(table_name) = lower('%q');",
7179 : pszNewLayerName, pszLayerName);
7180 2 : osSQL += pszSQL;
7181 2 : sqlite3_free(pszSQL);
7182 :
7183 2 : if (HasGriddedCoverageAncillaryTable())
7184 : {
7185 1 : pszSQL = sqlite3_mprintf("UPDATE gpkg_2d_gridded_coverage_ancillary "
7186 : "SET tile_matrix_set_name = '%q' WHERE "
7187 : "lower(tile_matrix_set_name) = lower('%q');",
7188 : pszNewLayerName, pszLayerName);
7189 1 : osSQL += pszSQL;
7190 1 : sqlite3_free(pszSQL);
7191 :
7192 1 : pszSQL = sqlite3_mprintf(
7193 : "UPDATE gpkg_2d_gridded_tile_ancillary SET tpudt_name = '%q' WHERE "
7194 : "lower(tpudt_name) = lower('%q');",
7195 : pszNewLayerName, pszLayerName);
7196 1 : osSQL += pszSQL;
7197 1 : sqlite3_free(pszSQL);
7198 : }
7199 :
7200 2 : if (HasExtensionsTable())
7201 : {
7202 2 : pszSQL = sqlite3_mprintf(
7203 : "UPDATE gpkg_extensions SET table_name = '%q' WHERE "
7204 : "lower(table_name) = lower('%q');",
7205 : pszNewLayerName, pszLayerName);
7206 2 : osSQL += pszSQL;
7207 2 : sqlite3_free(pszSQL);
7208 : }
7209 :
7210 2 : if (HasMetadataTables())
7211 : {
7212 1 : pszSQL = sqlite3_mprintf(
7213 : "UPDATE gpkg_metadata_reference SET table_name = '%q' WHERE "
7214 : "lower(table_name) = lower('%q');",
7215 : pszNewLayerName, pszLayerName);
7216 1 : osSQL += pszSQL;
7217 1 : sqlite3_free(pszSQL);
7218 : }
7219 :
7220 2 : if (HasDataColumnsTable())
7221 : {
7222 0 : pszSQL = sqlite3_mprintf(
7223 : "UPDATE gpkg_data_columns SET table_name = '%q' WHERE "
7224 : "lower(table_name) = lower('%q');",
7225 : pszNewLayerName, pszLayerName);
7226 0 : osSQL += pszSQL;
7227 0 : sqlite3_free(pszSQL);
7228 : }
7229 :
7230 2 : if (HasQGISLayerStyles())
7231 : {
7232 : // Update QGIS styles
7233 : pszSQL =
7234 0 : sqlite3_mprintf("UPDATE layer_styles SET f_table_name = '%q' WHERE "
7235 : "lower(f_table_name) = lower('%q');",
7236 : pszNewLayerName, pszLayerName);
7237 0 : osSQL += pszSQL;
7238 0 : sqlite3_free(pszSQL);
7239 : }
7240 :
7241 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7242 2 : if (m_bHasGPKGOGRContents)
7243 : {
7244 2 : pszSQL = sqlite3_mprintf(
7245 : "UPDATE gpkg_ogr_contents SET table_name = '%q' WHERE "
7246 : "lower(table_name) = lower('%q');",
7247 : pszNewLayerName, pszLayerName);
7248 2 : osSQL += pszSQL;
7249 2 : sqlite3_free(pszSQL);
7250 : }
7251 : #endif
7252 :
7253 2 : if (HasGpkgextRelationsTable())
7254 : {
7255 0 : pszSQL = sqlite3_mprintf(
7256 : "UPDATE gpkgext_relations SET base_table_name = '%q' WHERE "
7257 : "lower(base_table_name) = lower('%q');",
7258 : pszNewLayerName, pszLayerName);
7259 0 : osSQL += pszSQL;
7260 0 : sqlite3_free(pszSQL);
7261 :
7262 0 : pszSQL = sqlite3_mprintf(
7263 : "UPDATE gpkgext_relations SET related_table_name = '%q' WHERE "
7264 : "lower(related_table_name) = lower('%q');",
7265 : pszNewLayerName, pszLayerName);
7266 0 : osSQL += pszSQL;
7267 0 : sqlite3_free(pszSQL);
7268 :
7269 0 : pszSQL = sqlite3_mprintf(
7270 : "UPDATE gpkgext_relations SET mapping_table_name = '%q' WHERE "
7271 : "lower(mapping_table_name) = lower('%q');",
7272 : pszNewLayerName, pszLayerName);
7273 0 : osSQL += pszSQL;
7274 0 : sqlite3_free(pszSQL);
7275 : }
7276 :
7277 : // Drop all triggers for the layer
7278 2 : pszSQL = sqlite3_mprintf("SELECT name FROM sqlite_master WHERE type = "
7279 : "'trigger' AND tbl_name = '%q'",
7280 : pszLayerName);
7281 2 : auto oTriggerResult = SQLQuery(GetDB(), pszSQL);
7282 2 : sqlite3_free(pszSQL);
7283 2 : if (oTriggerResult)
7284 : {
7285 14 : for (int i = 0; i < oTriggerResult->RowCount(); i++)
7286 : {
7287 12 : const char *pszTriggerName = oTriggerResult->GetValue(0, i);
7288 12 : pszSQL = sqlite3_mprintf("DROP TRIGGER IF EXISTS \"%w\";",
7289 : pszTriggerName);
7290 12 : osSQL += pszSQL;
7291 12 : sqlite3_free(pszSQL);
7292 : }
7293 : }
7294 :
7295 2 : pszSQL = sqlite3_mprintf("ALTER TABLE \"%w\" RENAME TO \"%w\";",
7296 : pszLayerName, pszNewLayerName);
7297 2 : osSQL += pszSQL;
7298 2 : sqlite3_free(pszSQL);
7299 :
7300 : // Recreate all zoom/tile triggers
7301 2 : if (oTriggerResult)
7302 : {
7303 2 : osSQL += CreateRasterTriggersSQL(pszNewLayerName);
7304 : }
7305 :
7306 2 : OGRErr eErr = SQLCommand(GetDB(), osSQL.c_str());
7307 :
7308 : // Check foreign key integrity
7309 2 : if (eErr == OGRERR_NONE)
7310 : {
7311 2 : eErr = PragmaCheck("foreign_key_check", "", 0);
7312 : }
7313 :
7314 2 : if (eErr == OGRERR_NONE)
7315 : {
7316 2 : eErr = SoftCommitTransaction();
7317 : }
7318 : else
7319 : {
7320 0 : SoftRollbackTransaction();
7321 : }
7322 :
7323 2 : return eErr == OGRERR_NONE;
7324 : }
7325 :
7326 : /************************************************************************/
7327 : /* TestCapability() */
7328 : /************************************************************************/
7329 :
7330 558 : int GDALGeoPackageDataset::TestCapability(const char *pszCap) const
7331 : {
7332 558 : if (EQUAL(pszCap, ODsCCreateLayer) || EQUAL(pszCap, ODsCDeleteLayer) ||
7333 361 : EQUAL(pszCap, "RenameLayer"))
7334 : {
7335 197 : return GetUpdate();
7336 : }
7337 361 : else if (EQUAL(pszCap, ODsCCurveGeometries))
7338 12 : return TRUE;
7339 349 : else if (EQUAL(pszCap, ODsCMeasuredGeometries))
7340 8 : return TRUE;
7341 341 : else if (EQUAL(pszCap, ODsCZGeometries))
7342 8 : return TRUE;
7343 333 : else if (EQUAL(pszCap, ODsCRandomLayerWrite) ||
7344 333 : EQUAL(pszCap, GDsCAddRelationship) ||
7345 333 : EQUAL(pszCap, GDsCDeleteRelationship) ||
7346 333 : EQUAL(pszCap, GDsCUpdateRelationship) ||
7347 333 : EQUAL(pszCap, ODsCAddFieldDomain) ||
7348 331 : EQUAL(pszCap, ODsCUpdateFieldDomain) ||
7349 329 : EQUAL(pszCap, ODsCDeleteFieldDomain))
7350 : {
7351 6 : return GetUpdate();
7352 : }
7353 :
7354 327 : return OGRSQLiteBaseDataSource::TestCapability(pszCap);
7355 : }
7356 :
7357 : /************************************************************************/
7358 : /* ResetReadingAllLayers() */
7359 : /************************************************************************/
7360 :
7361 205 : void GDALGeoPackageDataset::ResetReadingAllLayers()
7362 : {
7363 415 : for (auto &poLayer : m_apoLayers)
7364 : {
7365 210 : poLayer->ResetReading();
7366 : }
7367 205 : }
7368 :
7369 : /************************************************************************/
7370 : /* ExecuteSQL() */
7371 : /************************************************************************/
7372 :
7373 : static const char *const apszFuncsWithSideEffects[] = {
7374 : "CreateSpatialIndex",
7375 : "DisableSpatialIndex",
7376 : "HasSpatialIndex",
7377 : "RegisterGeometryExtension",
7378 : };
7379 :
7380 5720 : OGRLayer *GDALGeoPackageDataset::ExecuteSQL(const char *pszSQLCommand,
7381 : OGRGeometry *poSpatialFilter,
7382 : const char *pszDialect)
7383 :
7384 : {
7385 5720 : m_bHasReadMetadataFromStorage = false;
7386 :
7387 5720 : FlushMetadata();
7388 :
7389 5738 : while (*pszSQLCommand != '\0' &&
7390 5738 : isspace(static_cast<unsigned char>(*pszSQLCommand)))
7391 18 : pszSQLCommand++;
7392 :
7393 11440 : CPLString osSQLCommand(pszSQLCommand);
7394 5720 : if (!osSQLCommand.empty() && osSQLCommand.back() == ';')
7395 48 : osSQLCommand.pop_back();
7396 :
7397 11439 : if (osSQLCommand.ifind("AsGPB(ST_") != std::string::npos ||
7398 5719 : osSQLCommand.ifind("AsGPB( ST_") != std::string::npos)
7399 : {
7400 1 : CPLError(CE_Warning, CPLE_AppDefined,
7401 : "Use of AsGPB(ST_xxx(...)) found in \"%s\". Since GDAL 3.13, "
7402 : "ST_xxx() functions return a GeoPackage geometry when used "
7403 : "with a GeoPackage connection, and the use of AsGPB() is no "
7404 : "longer needed. It is here automatically removed",
7405 : osSQLCommand.c_str());
7406 1 : osSQLCommand.replaceAll("AsGPB(ST_", "(ST_");
7407 1 : osSQLCommand.replaceAll("AsGPB( ST_", "(ST_");
7408 : }
7409 :
7410 5720 : if (pszDialect == nullptr || !EQUAL(pszDialect, "DEBUG"))
7411 : {
7412 : // Some SQL commands will influence the feature count behind our
7413 : // back, so disable it in that case.
7414 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7415 : const bool bInsertOrDelete =
7416 5651 : osSQLCommand.ifind("insert into ") != std::string::npos ||
7417 2530 : osSQLCommand.ifind("insert or replace into ") !=
7418 8181 : std::string::npos ||
7419 2493 : osSQLCommand.ifind("delete from ") != std::string::npos;
7420 : const bool bRollback =
7421 5651 : osSQLCommand.ifind("rollback ") != std::string::npos;
7422 : #endif
7423 :
7424 7563 : for (auto &poLayer : m_apoLayers)
7425 : {
7426 1912 : if (poLayer->SyncToDisk() != OGRERR_NONE)
7427 0 : return nullptr;
7428 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7429 2117 : if (bRollback ||
7430 205 : (bInsertOrDelete &&
7431 205 : osSQLCommand.ifind(poLayer->GetName()) != std::string::npos))
7432 : {
7433 203 : poLayer->DisableFeatureCount();
7434 : }
7435 : #endif
7436 : }
7437 : }
7438 :
7439 5720 : if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 0") ||
7440 5719 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=0") ||
7441 5719 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =0") ||
7442 5719 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 0"))
7443 : {
7444 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, false);
7445 : }
7446 5719 : else if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 1") ||
7447 5718 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=1") ||
7448 5718 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =1") ||
7449 5718 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 1"))
7450 : {
7451 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, true);
7452 : }
7453 :
7454 : /* -------------------------------------------------------------------- */
7455 : /* DEBUG "SELECT nolock" command. */
7456 : /* -------------------------------------------------------------------- */
7457 5789 : if (pszDialect != nullptr && EQUAL(pszDialect, "DEBUG") &&
7458 69 : EQUAL(osSQLCommand, "SELECT nolock"))
7459 : {
7460 3 : return new OGRSQLiteSingleFeatureLayer(osSQLCommand, m_bNoLock ? 1 : 0);
7461 : }
7462 :
7463 : /* -------------------------------------------------------------------- */
7464 : /* Special case DELLAYER: command. */
7465 : /* -------------------------------------------------------------------- */
7466 5717 : if (STARTS_WITH_CI(osSQLCommand, "DELLAYER:"))
7467 : {
7468 4 : const char *pszLayerName = osSQLCommand.c_str() + strlen("DELLAYER:");
7469 :
7470 4 : while (*pszLayerName == ' ')
7471 0 : pszLayerName++;
7472 :
7473 4 : if (!DeleteVectorOrRasterLayer(pszLayerName))
7474 : {
7475 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer: %s",
7476 : pszLayerName);
7477 : }
7478 4 : return nullptr;
7479 : }
7480 :
7481 : /* -------------------------------------------------------------------- */
7482 : /* Special case RECOMPUTE EXTENT ON command. */
7483 : /* -------------------------------------------------------------------- */
7484 5713 : if (STARTS_WITH_CI(osSQLCommand, "RECOMPUTE EXTENT ON "))
7485 : {
7486 : const char *pszLayerName =
7487 4 : osSQLCommand.c_str() + strlen("RECOMPUTE EXTENT ON ");
7488 :
7489 4 : while (*pszLayerName == ' ')
7490 0 : pszLayerName++;
7491 :
7492 4 : int idx = FindLayerIndex(pszLayerName);
7493 4 : if (idx >= 0)
7494 : {
7495 4 : m_apoLayers[idx]->RecomputeExtent();
7496 : }
7497 : else
7498 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer: %s",
7499 : pszLayerName);
7500 4 : return nullptr;
7501 : }
7502 :
7503 : /* -------------------------------------------------------------------- */
7504 : /* Intercept DROP TABLE */
7505 : /* -------------------------------------------------------------------- */
7506 5709 : if (STARTS_WITH_CI(osSQLCommand, "DROP TABLE "))
7507 : {
7508 9 : const char *pszLayerName = osSQLCommand.c_str() + strlen("DROP TABLE ");
7509 :
7510 9 : while (*pszLayerName == ' ')
7511 0 : pszLayerName++;
7512 :
7513 9 : if (DeleteVectorOrRasterLayer(SQLUnescape(pszLayerName)))
7514 4 : return nullptr;
7515 : }
7516 :
7517 : /* -------------------------------------------------------------------- */
7518 : /* Intercept ALTER TABLE src_table RENAME TO dst_table */
7519 : /* and ALTER TABLE table RENAME COLUMN src_name TO dst_name */
7520 : /* and ALTER TABLE table DROP COLUMN col_name */
7521 : /* */
7522 : /* We do this because SQLite mechanisms can't deal with updating */
7523 : /* literal values in gpkg_ tables that refer to table and column */
7524 : /* names. */
7525 : /* -------------------------------------------------------------------- */
7526 5705 : if (STARTS_WITH_CI(osSQLCommand, "ALTER TABLE "))
7527 : {
7528 9 : char **papszTokens = SQLTokenize(osSQLCommand);
7529 : /* ALTER TABLE src_table RENAME TO dst_table */
7530 16 : if (CSLCount(papszTokens) == 6 && EQUAL(papszTokens[3], "RENAME") &&
7531 7 : EQUAL(papszTokens[4], "TO"))
7532 : {
7533 7 : const char *pszSrcTableName = papszTokens[2];
7534 7 : const char *pszDstTableName = papszTokens[5];
7535 7 : if (RenameVectorOrRasterLayer(SQLUnescape(pszSrcTableName),
7536 14 : SQLUnescape(pszDstTableName)))
7537 : {
7538 6 : CSLDestroy(papszTokens);
7539 6 : return nullptr;
7540 : }
7541 : }
7542 : /* ALTER TABLE table RENAME COLUMN src_name TO dst_name */
7543 2 : else if (CSLCount(papszTokens) == 8 &&
7544 1 : EQUAL(papszTokens[3], "RENAME") &&
7545 3 : EQUAL(papszTokens[4], "COLUMN") && EQUAL(papszTokens[6], "TO"))
7546 : {
7547 1 : const char *pszTableName = papszTokens[2];
7548 1 : const char *pszSrcColumn = papszTokens[5];
7549 1 : const char *pszDstColumn = papszTokens[7];
7550 : OGRGeoPackageTableLayer *poLayer =
7551 0 : dynamic_cast<OGRGeoPackageTableLayer *>(
7552 1 : GetLayerByName(SQLUnescape(pszTableName)));
7553 1 : if (poLayer)
7554 : {
7555 2 : int nSrcFieldIdx = poLayer->GetLayerDefn()->GetFieldIndex(
7556 2 : SQLUnescape(pszSrcColumn));
7557 1 : if (nSrcFieldIdx >= 0)
7558 : {
7559 : // OFTString or any type will do as we just alter the name
7560 : // so it will be ignored.
7561 1 : OGRFieldDefn oFieldDefn(SQLUnescape(pszDstColumn),
7562 1 : OFTString);
7563 1 : poLayer->AlterFieldDefn(nSrcFieldIdx, &oFieldDefn,
7564 : ALTER_NAME_FLAG);
7565 1 : CSLDestroy(papszTokens);
7566 1 : return nullptr;
7567 : }
7568 : }
7569 : }
7570 : /* ALTER TABLE table DROP COLUMN col_name */
7571 2 : else if (CSLCount(papszTokens) == 6 && EQUAL(papszTokens[3], "DROP") &&
7572 1 : EQUAL(papszTokens[4], "COLUMN"))
7573 : {
7574 1 : const char *pszTableName = papszTokens[2];
7575 1 : const char *pszColumnName = papszTokens[5];
7576 : OGRGeoPackageTableLayer *poLayer =
7577 0 : dynamic_cast<OGRGeoPackageTableLayer *>(
7578 1 : GetLayerByName(SQLUnescape(pszTableName)));
7579 1 : if (poLayer)
7580 : {
7581 2 : int nFieldIdx = poLayer->GetLayerDefn()->GetFieldIndex(
7582 2 : SQLUnescape(pszColumnName));
7583 1 : if (nFieldIdx >= 0)
7584 : {
7585 1 : poLayer->DeleteField(nFieldIdx);
7586 1 : CSLDestroy(papszTokens);
7587 1 : return nullptr;
7588 : }
7589 : }
7590 : }
7591 1 : CSLDestroy(papszTokens);
7592 : }
7593 :
7594 5697 : if (ProcessTransactionSQL(osSQLCommand))
7595 : {
7596 253 : return nullptr;
7597 : }
7598 :
7599 5444 : if (EQUAL(osSQLCommand, "VACUUM"))
7600 : {
7601 13 : ResetReadingAllLayers();
7602 : }
7603 5431 : else if (STARTS_WITH_CI(osSQLCommand, "DELETE FROM "))
7604 : {
7605 : // Optimize truncation of a table, especially if it has a spatial
7606 : // index.
7607 23 : const CPLStringList aosTokens(SQLTokenize(osSQLCommand));
7608 23 : if (aosTokens.size() == 3)
7609 : {
7610 16 : const char *pszTableName = aosTokens[2];
7611 : OGRGeoPackageTableLayer *poLayer =
7612 8 : dynamic_cast<OGRGeoPackageTableLayer *>(
7613 24 : GetLayerByName(SQLUnescape(pszTableName)));
7614 16 : if (poLayer)
7615 : {
7616 8 : poLayer->Truncate();
7617 8 : return nullptr;
7618 : }
7619 : }
7620 : }
7621 5408 : else if (pszDialect != nullptr && EQUAL(pszDialect, "INDIRECT_SQLITE"))
7622 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter, "SQLITE");
7623 5407 : else if (pszDialect != nullptr && !EQUAL(pszDialect, "") &&
7624 67 : !EQUAL(pszDialect, "NATIVE") && !EQUAL(pszDialect, "SQLITE") &&
7625 67 : !EQUAL(pszDialect, "DEBUG"))
7626 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter,
7627 1 : pszDialect);
7628 :
7629 : /* -------------------------------------------------------------------- */
7630 : /* Prepare statement. */
7631 : /* -------------------------------------------------------------------- */
7632 : /* This will speed-up layer creation */
7633 : /* ORDER BY are costly to evaluate and are not necessary to establish */
7634 : /* the layer definition. */
7635 5434 : bool bUseStatementForGetNextFeature = true;
7636 5434 : bool bEmptyLayer = false;
7637 10868 : CPLString osSQLCommandTruncated(osSQLCommand);
7638 :
7639 18050 : if (osSQLCommand.ifind("SELECT ") == 0 &&
7640 6308 : CPLString(osSQLCommand.substr(1)).ifind("SELECT ") ==
7641 833 : std::string::npos &&
7642 833 : osSQLCommand.ifind(" UNION ") == std::string::npos &&
7643 7141 : osSQLCommand.ifind(" INTERSECT ") == std::string::npos &&
7644 833 : osSQLCommand.ifind(" EXCEPT ") == std::string::npos)
7645 : {
7646 833 : size_t nOrderByPos = osSQLCommand.ifind(" ORDER BY ");
7647 833 : if (nOrderByPos != std::string::npos)
7648 : {
7649 9 : osSQLCommandTruncated.resize(nOrderByPos);
7650 9 : bUseStatementForGetNextFeature = false;
7651 : }
7652 : }
7653 :
7654 5434 : const auto nErrorCount = CPLGetErrorCounter();
7655 : sqlite3_stmt *hSQLStmt =
7656 5434 : prepareSql(hDB, osSQLCommandTruncated.c_str(),
7657 5434 : static_cast<int>(osSQLCommandTruncated.size()));
7658 5434 : if (!hSQLStmt)
7659 : {
7660 12 : if (nErrorCount == CPLGetErrorCounter())
7661 : {
7662 9 : CPLError(CE_Failure, CPLE_AppDefined, "%s",
7663 18 : SQLFormatErrorMsgFailedPrepare(
7664 : GetDB(), "In ExecuteSQL(): sqlite3_prepare_v2(): ",
7665 : osSQLCommand.c_str())
7666 : .c_str());
7667 : }
7668 12 : return nullptr;
7669 : }
7670 :
7671 : /* -------------------------------------------------------------------- */
7672 : /* Do we get a resultset? */
7673 : /* -------------------------------------------------------------------- */
7674 5422 : int rc = sqlite3_step(hSQLStmt);
7675 :
7676 7096 : for (auto &poLayer : m_apoLayers)
7677 : {
7678 1674 : if (!poLayer->RunDeferredDropRTreeTableIfNecessary())
7679 0 : return nullptr;
7680 : }
7681 :
7682 5422 : if (rc != SQLITE_ROW)
7683 : {
7684 4635 : if (rc != SQLITE_DONE)
7685 : {
7686 7 : CPLError(CE_Failure, CPLE_AppDefined,
7687 : "In ExecuteSQL(): sqlite3_step(%s):\n %s",
7688 : osSQLCommandTruncated.c_str(), sqlite3_errmsg(hDB));
7689 :
7690 7 : sqlite3_finalize(hSQLStmt);
7691 7 : return nullptr;
7692 : }
7693 :
7694 4628 : if (EQUAL(osSQLCommand, "VACUUM"))
7695 : {
7696 13 : sqlite3_finalize(hSQLStmt);
7697 : /* VACUUM rewrites the DB, so we need to reset the application id */
7698 13 : SetApplicationAndUserVersionId();
7699 13 : return nullptr;
7700 : }
7701 :
7702 4615 : if (!STARTS_WITH_CI(osSQLCommand, "SELECT "))
7703 : {
7704 4487 : sqlite3_finalize(hSQLStmt);
7705 4487 : return nullptr;
7706 : }
7707 :
7708 128 : bUseStatementForGetNextFeature = false;
7709 128 : bEmptyLayer = true;
7710 : }
7711 :
7712 : /* -------------------------------------------------------------------- */
7713 : /* Special case for some functions which must be run */
7714 : /* only once */
7715 : /* -------------------------------------------------------------------- */
7716 915 : if (STARTS_WITH_CI(osSQLCommand, "SELECT "))
7717 : {
7718 4199 : for (unsigned int i = 0; i < sizeof(apszFuncsWithSideEffects) /
7719 : sizeof(apszFuncsWithSideEffects[0]);
7720 : i++)
7721 : {
7722 3385 : if (EQUALN(apszFuncsWithSideEffects[i], osSQLCommand.c_str() + 7,
7723 : strlen(apszFuncsWithSideEffects[i])))
7724 : {
7725 112 : if (sqlite3_column_count(hSQLStmt) == 1 &&
7726 56 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_INTEGER)
7727 : {
7728 56 : int ret = sqlite3_column_int(hSQLStmt, 0);
7729 :
7730 56 : sqlite3_finalize(hSQLStmt);
7731 :
7732 : return new OGRSQLiteSingleFeatureLayer(
7733 56 : apszFuncsWithSideEffects[i], ret);
7734 : }
7735 : }
7736 : }
7737 : }
7738 45 : else if (STARTS_WITH_CI(osSQLCommand, "PRAGMA "))
7739 : {
7740 63 : if (sqlite3_column_count(hSQLStmt) == 1 &&
7741 18 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_INTEGER)
7742 : {
7743 15 : int ret = sqlite3_column_int(hSQLStmt, 0);
7744 :
7745 15 : sqlite3_finalize(hSQLStmt);
7746 :
7747 15 : return new OGRSQLiteSingleFeatureLayer(osSQLCommand.c_str() + 7,
7748 15 : ret);
7749 : }
7750 33 : else if (sqlite3_column_count(hSQLStmt) == 1 &&
7751 3 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_TEXT)
7752 : {
7753 : const char *pszRet = reinterpret_cast<const char *>(
7754 3 : sqlite3_column_text(hSQLStmt, 0));
7755 :
7756 : OGRLayer *poRet = new OGRSQLiteSingleFeatureLayer(
7757 3 : osSQLCommand.c_str() + 7, pszRet);
7758 :
7759 3 : sqlite3_finalize(hSQLStmt);
7760 :
7761 3 : return poRet;
7762 : }
7763 : }
7764 :
7765 : /* -------------------------------------------------------------------- */
7766 : /* Create layer. */
7767 : /* -------------------------------------------------------------------- */
7768 :
7769 : auto poLayer = std::make_unique<OGRGeoPackageSelectLayer>(
7770 : this, osSQLCommand, hSQLStmt, bUseStatementForGetNextFeature,
7771 1682 : bEmptyLayer);
7772 :
7773 844 : if (poSpatialFilter != nullptr &&
7774 3 : poLayer->GetLayerDefn()->GetGeomFieldCount() > 0)
7775 3 : poLayer->SetSpatialFilter(0, poSpatialFilter);
7776 :
7777 841 : return poLayer.release();
7778 : }
7779 :
7780 : /************************************************************************/
7781 : /* ReleaseResultSet() */
7782 : /************************************************************************/
7783 :
7784 874 : void GDALGeoPackageDataset::ReleaseResultSet(OGRLayer *poLayer)
7785 :
7786 : {
7787 874 : delete poLayer;
7788 874 : }
7789 :
7790 : /************************************************************************/
7791 : /* HasExtensionsTable() */
7792 : /************************************************************************/
7793 :
7794 7644 : bool GDALGeoPackageDataset::HasExtensionsTable()
7795 : {
7796 7644 : return SQLGetInteger(
7797 : hDB,
7798 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_extensions' "
7799 : "AND type IN ('table', 'view')",
7800 7644 : nullptr) == 1;
7801 : }
7802 :
7803 : /************************************************************************/
7804 : /* CheckUnknownExtensions() */
7805 : /************************************************************************/
7806 :
7807 1690 : void GDALGeoPackageDataset::CheckUnknownExtensions(bool bCheckRasterTable)
7808 : {
7809 1690 : if (!HasExtensionsTable())
7810 217 : return;
7811 :
7812 1473 : char *pszSQL = nullptr;
7813 1473 : if (!bCheckRasterTable)
7814 1257 : pszSQL = sqlite3_mprintf(
7815 : "SELECT extension_name, definition, scope FROM gpkg_extensions "
7816 : "WHERE (table_name IS NULL "
7817 : "AND extension_name IS NOT NULL "
7818 : "AND definition IS NOT NULL "
7819 : "AND scope IS NOT NULL "
7820 : "AND extension_name NOT IN ("
7821 : "'gdal_aspatial', "
7822 : "'gpkg_elevation_tiles', " // Old name before GPKG 1.2 approval
7823 : "'2d_gridded_coverage', " // Old name after GPKG 1.2 and before OGC
7824 : // 17-066r1 finalization
7825 : "'gpkg_2d_gridded_coverage', " // Name in OGC 17-066r1 final
7826 : "'gpkg_metadata', "
7827 : "'gpkg_schema', "
7828 : "'gpkg_crs_wkt', "
7829 : "'gpkg_crs_wkt_1_1', "
7830 : "'related_tables', 'gpkg_related_tables')) "
7831 : #ifdef WORKAROUND_SQLITE3_BUGS
7832 : "OR 0 "
7833 : #endif
7834 : "LIMIT 1000");
7835 : else
7836 216 : pszSQL = sqlite3_mprintf(
7837 : "SELECT extension_name, definition, scope FROM gpkg_extensions "
7838 : "WHERE (lower(table_name) = lower('%q') "
7839 : "AND extension_name IS NOT NULL "
7840 : "AND definition IS NOT NULL "
7841 : "AND scope IS NOT NULL "
7842 : "AND extension_name NOT IN ("
7843 : "'gpkg_elevation_tiles', " // Old name before GPKG 1.2 approval
7844 : "'2d_gridded_coverage', " // Old name after GPKG 1.2 and before OGC
7845 : // 17-066r1 finalization
7846 : "'gpkg_2d_gridded_coverage', " // Name in OGC 17-066r1 final
7847 : "'gpkg_metadata', "
7848 : "'gpkg_schema', "
7849 : "'gpkg_crs_wkt', "
7850 : "'gpkg_crs_wkt_1_1', "
7851 : "'related_tables', 'gpkg_related_tables')) "
7852 : #ifdef WORKAROUND_SQLITE3_BUGS
7853 : "OR 0 "
7854 : #endif
7855 : "LIMIT 1000",
7856 : m_osRasterTable.c_str());
7857 :
7858 2946 : auto oResultTable = SQLQuery(GetDB(), pszSQL);
7859 1473 : sqlite3_free(pszSQL);
7860 1473 : if (oResultTable && oResultTable->RowCount() > 0)
7861 : {
7862 42 : for (int i = 0; i < oResultTable->RowCount(); i++)
7863 : {
7864 21 : const char *pszExtName = oResultTable->GetValue(0, i);
7865 21 : const char *pszDefinition = oResultTable->GetValue(1, i);
7866 21 : const char *pszScope = oResultTable->GetValue(2, i);
7867 21 : if (pszExtName == nullptr || pszDefinition == nullptr ||
7868 : pszScope == nullptr)
7869 : {
7870 0 : continue;
7871 : }
7872 :
7873 21 : if (EQUAL(pszExtName, "gpkg_webp"))
7874 : {
7875 15 : if (GDALGetDriverByName("WEBP") == nullptr)
7876 : {
7877 1 : CPLError(
7878 : CE_Warning, CPLE_AppDefined,
7879 : "Table %s contains WEBP tiles, but GDAL configured "
7880 : "without WEBP support. Data will be missing",
7881 : m_osRasterTable.c_str());
7882 : }
7883 15 : m_eTF = GPKG_TF_WEBP;
7884 15 : continue;
7885 : }
7886 6 : if (EQUAL(pszExtName, "gpkg_zoom_other"))
7887 : {
7888 2 : m_bZoomOther = true;
7889 2 : continue;
7890 : }
7891 :
7892 4 : if (GetUpdate() && EQUAL(pszScope, "write-only"))
7893 : {
7894 1 : CPLError(
7895 : CE_Warning, CPLE_AppDefined,
7896 : "Database relies on the '%s' (%s) extension that should "
7897 : "be implemented for safe write-support, but is not "
7898 : "currently. "
7899 : "Update of that database are strongly discouraged to avoid "
7900 : "corruption.",
7901 : pszExtName, pszDefinition);
7902 : }
7903 3 : else if (GetUpdate() && EQUAL(pszScope, "read-write"))
7904 : {
7905 1 : CPLError(
7906 : CE_Warning, CPLE_AppDefined,
7907 : "Database relies on the '%s' (%s) extension that should "
7908 : "be implemented in order to read/write it safely, but is "
7909 : "not currently. "
7910 : "Some data may be missing while reading that database, and "
7911 : "updates are strongly discouraged.",
7912 : pszExtName, pszDefinition);
7913 : }
7914 2 : else if (EQUAL(pszScope, "read-write") &&
7915 : // None of the NGA extensions at
7916 : // http://ngageoint.github.io/GeoPackage/docs/extensions/
7917 : // affect read-only scenarios
7918 1 : !STARTS_WITH(pszExtName, "nga_"))
7919 : {
7920 1 : CPLError(
7921 : CE_Warning, CPLE_AppDefined,
7922 : "Database relies on the '%s' (%s) extension that should "
7923 : "be implemented in order to read it safely, but is not "
7924 : "currently. "
7925 : "Some data may be missing while reading that database.",
7926 : pszExtName, pszDefinition);
7927 : }
7928 : }
7929 : }
7930 : }
7931 :
7932 : /************************************************************************/
7933 : /* HasGDALAspatialExtension() */
7934 : /************************************************************************/
7935 :
7936 1217 : bool GDALGeoPackageDataset::HasGDALAspatialExtension()
7937 : {
7938 1217 : if (!HasExtensionsTable())
7939 103 : return false;
7940 :
7941 : auto oResultTable = SQLQuery(hDB, "SELECT * FROM gpkg_extensions "
7942 : "WHERE (extension_name = 'gdal_aspatial' "
7943 : "AND table_name IS NULL "
7944 : "AND column_name IS NULL)"
7945 : #ifdef WORKAROUND_SQLITE3_BUGS
7946 : " OR 0"
7947 : #endif
7948 1114 : );
7949 1114 : bool bHasExtension = (oResultTable && oResultTable->RowCount() == 1);
7950 1114 : return bHasExtension;
7951 : }
7952 :
7953 : std::string
7954 196 : GDALGeoPackageDataset::CreateRasterTriggersSQL(const std::string &osTableName)
7955 : {
7956 : char *pszSQL;
7957 196 : std::string osSQL;
7958 : /* From D.5. sample_tile_pyramid Table 43. tiles table Trigger
7959 : * Definition SQL */
7960 196 : pszSQL = sqlite3_mprintf(
7961 : "CREATE TRIGGER \"%w_zoom_insert\" "
7962 : "BEFORE INSERT ON \"%w\" "
7963 : "FOR EACH ROW BEGIN "
7964 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7965 : "constraint: zoom_level not specified for table in "
7966 : "gpkg_tile_matrix') "
7967 : "WHERE NOT (NEW.zoom_level IN (SELECT zoom_level FROM "
7968 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q'))) ; "
7969 : "END; "
7970 : "CREATE TRIGGER \"%w_zoom_update\" "
7971 : "BEFORE UPDATE OF zoom_level ON \"%w\" "
7972 : "FOR EACH ROW BEGIN "
7973 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7974 : "constraint: zoom_level not specified for table in "
7975 : "gpkg_tile_matrix') "
7976 : "WHERE NOT (NEW.zoom_level IN (SELECT zoom_level FROM "
7977 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q'))) ; "
7978 : "END; "
7979 : "CREATE TRIGGER \"%w_tile_column_insert\" "
7980 : "BEFORE INSERT ON \"%w\" "
7981 : "FOR EACH ROW BEGIN "
7982 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7983 : "constraint: tile_column cannot be < 0') "
7984 : "WHERE (NEW.tile_column < 0) ; "
7985 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7986 : "constraint: tile_column must by < matrix_width specified for "
7987 : "table and zoom level in gpkg_tile_matrix') "
7988 : "WHERE NOT (NEW.tile_column < (SELECT matrix_width FROM "
7989 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
7990 : "zoom_level = NEW.zoom_level)); "
7991 : "END; "
7992 : "CREATE TRIGGER \"%w_tile_column_update\" "
7993 : "BEFORE UPDATE OF tile_column ON \"%w\" "
7994 : "FOR EACH ROW BEGIN "
7995 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7996 : "constraint: tile_column cannot be < 0') "
7997 : "WHERE (NEW.tile_column < 0) ; "
7998 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7999 : "constraint: tile_column must by < matrix_width specified for "
8000 : "table and zoom level in gpkg_tile_matrix') "
8001 : "WHERE NOT (NEW.tile_column < (SELECT matrix_width FROM "
8002 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8003 : "zoom_level = NEW.zoom_level)); "
8004 : "END; "
8005 : "CREATE TRIGGER \"%w_tile_row_insert\" "
8006 : "BEFORE INSERT ON \"%w\" "
8007 : "FOR EACH ROW BEGIN "
8008 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
8009 : "constraint: tile_row cannot be < 0') "
8010 : "WHERE (NEW.tile_row < 0) ; "
8011 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
8012 : "constraint: tile_row must by < matrix_height specified for "
8013 : "table and zoom level in gpkg_tile_matrix') "
8014 : "WHERE NOT (NEW.tile_row < (SELECT matrix_height FROM "
8015 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8016 : "zoom_level = NEW.zoom_level)); "
8017 : "END; "
8018 : "CREATE TRIGGER \"%w_tile_row_update\" "
8019 : "BEFORE UPDATE OF tile_row ON \"%w\" "
8020 : "FOR EACH ROW BEGIN "
8021 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8022 : "constraint: tile_row cannot be < 0') "
8023 : "WHERE (NEW.tile_row < 0) ; "
8024 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8025 : "constraint: tile_row must by < matrix_height specified for "
8026 : "table and zoom level in gpkg_tile_matrix') "
8027 : "WHERE NOT (NEW.tile_row < (SELECT matrix_height FROM "
8028 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8029 : "zoom_level = NEW.zoom_level)); "
8030 : "END; ",
8031 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8032 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8033 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8034 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8035 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8036 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8037 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8038 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8039 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8040 : osTableName.c_str());
8041 196 : osSQL = pszSQL;
8042 196 : sqlite3_free(pszSQL);
8043 196 : return osSQL;
8044 : }
8045 :
8046 : /************************************************************************/
8047 : /* CreateExtensionsTableIfNecessary() */
8048 : /************************************************************************/
8049 :
8050 1369 : OGRErr GDALGeoPackageDataset::CreateExtensionsTableIfNecessary()
8051 : {
8052 : /* Check if the table gpkg_extensions exists */
8053 1369 : if (HasExtensionsTable())
8054 461 : return OGRERR_NONE;
8055 :
8056 : /* Requirement 79 : Every extension of a GeoPackage SHALL be registered */
8057 : /* in a corresponding row in the gpkg_extensions table. The absence of a */
8058 : /* gpkg_extensions table or the absence of rows in gpkg_extensions table */
8059 : /* SHALL both indicate the absence of extensions to a GeoPackage. */
8060 908 : const char *pszCreateGpkgExtensions =
8061 : "CREATE TABLE gpkg_extensions ("
8062 : "table_name TEXT,"
8063 : "column_name TEXT,"
8064 : "extension_name TEXT NOT NULL,"
8065 : "definition TEXT NOT NULL,"
8066 : "scope TEXT NOT NULL,"
8067 : "CONSTRAINT ge_tce UNIQUE (table_name, column_name, extension_name)"
8068 : ")";
8069 :
8070 908 : return SQLCommand(hDB, pszCreateGpkgExtensions);
8071 : }
8072 :
8073 : /************************************************************************/
8074 : /* OGR_GPKG_Intersects_Spatial_Filter() */
8075 : /************************************************************************/
8076 :
8077 23236 : void OGR_GPKG_Intersects_Spatial_Filter(sqlite3_context *pContext, int argc,
8078 : sqlite3_value **argv)
8079 : {
8080 23236 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8081 : {
8082 0 : sqlite3_result_int(pContext, 0);
8083 23226 : return;
8084 : }
8085 :
8086 : auto poLayer =
8087 23236 : static_cast<OGRGeoPackageTableLayer *>(sqlite3_user_data(pContext));
8088 :
8089 23236 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8090 : const GByte *pabyBLOB =
8091 23236 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8092 :
8093 : GPkgHeader sHeader;
8094 46472 : if (poLayer->m_bFilterIsEnvelope &&
8095 23236 : OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false, 0))
8096 : {
8097 23236 : if (sHeader.bExtentHasXY)
8098 : {
8099 95 : OGREnvelope sEnvelope;
8100 95 : sEnvelope.MinX = sHeader.MinX;
8101 95 : sEnvelope.MinY = sHeader.MinY;
8102 95 : sEnvelope.MaxX = sHeader.MaxX;
8103 95 : sEnvelope.MaxY = sHeader.MaxY;
8104 95 : if (poLayer->m_sFilterEnvelope.Contains(sEnvelope))
8105 : {
8106 31 : sqlite3_result_int(pContext, 1);
8107 31 : return;
8108 : }
8109 : }
8110 :
8111 : // Check if at least one point falls into the layer filter envelope
8112 : // nHeaderLen is > 0 for GeoPackage geometries
8113 46410 : if (sHeader.nHeaderLen > 0 &&
8114 23205 : OGRWKBIntersectsPessimistic(pabyBLOB + sHeader.nHeaderLen,
8115 23205 : nBLOBLen - sHeader.nHeaderLen,
8116 23205 : poLayer->m_sFilterEnvelope))
8117 : {
8118 23195 : sqlite3_result_int(pContext, 1);
8119 23195 : return;
8120 : }
8121 : }
8122 :
8123 : auto poGeom = std::unique_ptr<OGRGeometry>(
8124 10 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8125 10 : if (poGeom == nullptr)
8126 : {
8127 : // Try also spatialite geometry blobs
8128 0 : OGRGeometry *poGeomSpatialite = nullptr;
8129 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8130 0 : &poGeomSpatialite) != OGRERR_NONE)
8131 : {
8132 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8133 0 : sqlite3_result_int(pContext, 0);
8134 0 : return;
8135 : }
8136 0 : poGeom.reset(poGeomSpatialite);
8137 : }
8138 :
8139 10 : sqlite3_result_int(pContext, poLayer->FilterGeometry(poGeom.get()));
8140 : }
8141 :
8142 : /************************************************************************/
8143 : /* OGRGeoPackageSTMinX() */
8144 : /************************************************************************/
8145 :
8146 253065 : static void OGRGeoPackageSTMinX(sqlite3_context *pContext, int argc,
8147 : sqlite3_value **argv)
8148 : {
8149 : GPkgHeader sHeader;
8150 253065 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8151 : {
8152 17 : sqlite3_result_null(pContext);
8153 17 : return;
8154 : }
8155 253048 : sqlite3_result_double(pContext, sHeader.MinX);
8156 : }
8157 :
8158 : /************************************************************************/
8159 : /* OGRGeoPackageSTMinY() */
8160 : /************************************************************************/
8161 :
8162 253049 : static void OGRGeoPackageSTMinY(sqlite3_context *pContext, int argc,
8163 : sqlite3_value **argv)
8164 : {
8165 : GPkgHeader sHeader;
8166 253049 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8167 : {
8168 1 : sqlite3_result_null(pContext);
8169 1 : return;
8170 : }
8171 253048 : sqlite3_result_double(pContext, sHeader.MinY);
8172 : }
8173 :
8174 : /************************************************************************/
8175 : /* OGRGeoPackageSTMaxX() */
8176 : /************************************************************************/
8177 :
8178 253049 : static void OGRGeoPackageSTMaxX(sqlite3_context *pContext, int argc,
8179 : sqlite3_value **argv)
8180 : {
8181 : GPkgHeader sHeader;
8182 253049 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8183 : {
8184 1 : sqlite3_result_null(pContext);
8185 1 : return;
8186 : }
8187 253048 : sqlite3_result_double(pContext, sHeader.MaxX);
8188 : }
8189 :
8190 : /************************************************************************/
8191 : /* OGRGeoPackageSTMaxY() */
8192 : /************************************************************************/
8193 :
8194 253049 : static void OGRGeoPackageSTMaxY(sqlite3_context *pContext, int argc,
8195 : sqlite3_value **argv)
8196 : {
8197 : GPkgHeader sHeader;
8198 253049 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8199 : {
8200 1 : sqlite3_result_null(pContext);
8201 1 : return;
8202 : }
8203 253048 : sqlite3_result_double(pContext, sHeader.MaxY);
8204 : }
8205 :
8206 : /************************************************************************/
8207 : /* OGRGeoPackageSTIsEmpty() */
8208 : /************************************************************************/
8209 :
8210 254499 : static void OGRGeoPackageSTIsEmpty(sqlite3_context *pContext, int argc,
8211 : sqlite3_value **argv)
8212 : {
8213 : GPkgHeader sHeader;
8214 254499 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8215 : {
8216 2 : sqlite3_result_null(pContext);
8217 2 : return;
8218 : }
8219 254497 : sqlite3_result_int(pContext, sHeader.bEmpty);
8220 : }
8221 :
8222 : /************************************************************************/
8223 : /* OGRGeoPackageSTGeometryType() */
8224 : /************************************************************************/
8225 :
8226 7 : static void OGRGeoPackageSTGeometryType(sqlite3_context *pContext, int /*argc*/,
8227 : sqlite3_value **argv)
8228 : {
8229 : GPkgHeader sHeader;
8230 :
8231 7 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8232 : const GByte *pabyBLOB =
8233 7 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8234 : OGRwkbGeometryType eGeometryType;
8235 :
8236 13 : if (nBLOBLen < 8 ||
8237 6 : GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) != OGRERR_NONE)
8238 : {
8239 2 : if (OGRSQLiteGetSpatialiteGeometryHeader(
8240 : pabyBLOB, nBLOBLen, nullptr, &eGeometryType, nullptr, nullptr,
8241 2 : nullptr, nullptr, nullptr) == OGRERR_NONE)
8242 : {
8243 1 : sqlite3_result_text(pContext, OGRToOGCGeomType(eGeometryType), -1,
8244 : SQLITE_TRANSIENT);
8245 4 : return;
8246 : }
8247 : else
8248 : {
8249 1 : sqlite3_result_null(pContext);
8250 1 : return;
8251 : }
8252 : }
8253 :
8254 5 : if (static_cast<size_t>(nBLOBLen) < sHeader.nHeaderLen + 5)
8255 : {
8256 2 : sqlite3_result_null(pContext);
8257 2 : return;
8258 : }
8259 :
8260 3 : OGRErr err = OGRReadWKBGeometryType(pabyBLOB + sHeader.nHeaderLen,
8261 : wkbVariantIso, &eGeometryType);
8262 3 : if (err != OGRERR_NONE)
8263 1 : sqlite3_result_null(pContext);
8264 : else
8265 2 : sqlite3_result_text(pContext, OGRToOGCGeomType(eGeometryType), -1,
8266 : SQLITE_TRANSIENT);
8267 : }
8268 :
8269 : /************************************************************************/
8270 : /* OGRGeoPackageSTEnvelopesIntersects() */
8271 : /************************************************************************/
8272 :
8273 118 : static void OGRGeoPackageSTEnvelopesIntersects(sqlite3_context *pContext,
8274 : int argc, sqlite3_value **argv)
8275 : {
8276 : GPkgHeader sHeader;
8277 118 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8278 : {
8279 2 : sqlite3_result_int(pContext, FALSE);
8280 107 : return;
8281 : }
8282 116 : const double dfMinX = sqlite3_value_double(argv[1]);
8283 116 : if (sHeader.MaxX < dfMinX)
8284 : {
8285 93 : sqlite3_result_int(pContext, FALSE);
8286 93 : return;
8287 : }
8288 23 : const double dfMinY = sqlite3_value_double(argv[2]);
8289 23 : if (sHeader.MaxY < dfMinY)
8290 : {
8291 11 : sqlite3_result_int(pContext, FALSE);
8292 11 : return;
8293 : }
8294 12 : const double dfMaxX = sqlite3_value_double(argv[3]);
8295 12 : if (sHeader.MinX > dfMaxX)
8296 : {
8297 1 : sqlite3_result_int(pContext, FALSE);
8298 1 : return;
8299 : }
8300 11 : const double dfMaxY = sqlite3_value_double(argv[4]);
8301 11 : sqlite3_result_int(pContext, sHeader.MinY <= dfMaxY);
8302 : }
8303 :
8304 : /************************************************************************/
8305 : /* OGRGeoPackageSTEnvelopesIntersectsTwoParams() */
8306 : /************************************************************************/
8307 :
8308 : static void
8309 3 : OGRGeoPackageSTEnvelopesIntersectsTwoParams(sqlite3_context *pContext, int argc,
8310 : sqlite3_value **argv)
8311 : {
8312 : GPkgHeader sHeader;
8313 3 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false, 0))
8314 : {
8315 0 : sqlite3_result_int(pContext, FALSE);
8316 2 : return;
8317 : }
8318 : GPkgHeader sHeader2;
8319 3 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader2, true, false,
8320 : 1))
8321 : {
8322 0 : sqlite3_result_int(pContext, FALSE);
8323 0 : return;
8324 : }
8325 3 : if (sHeader.MaxX < sHeader2.MinX)
8326 : {
8327 1 : sqlite3_result_int(pContext, FALSE);
8328 1 : return;
8329 : }
8330 2 : if (sHeader.MaxY < sHeader2.MinY)
8331 : {
8332 0 : sqlite3_result_int(pContext, FALSE);
8333 0 : return;
8334 : }
8335 2 : if (sHeader.MinX > sHeader2.MaxX)
8336 : {
8337 1 : sqlite3_result_int(pContext, FALSE);
8338 1 : return;
8339 : }
8340 1 : sqlite3_result_int(pContext, sHeader.MinY <= sHeader2.MaxY);
8341 : }
8342 :
8343 : /************************************************************************/
8344 : /* OGRGeoPackageGPKGIsAssignable() */
8345 : /************************************************************************/
8346 :
8347 8 : static void OGRGeoPackageGPKGIsAssignable(sqlite3_context *pContext,
8348 : int /*argc*/, sqlite3_value **argv)
8349 : {
8350 15 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8351 7 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8352 : {
8353 2 : sqlite3_result_int(pContext, 0);
8354 2 : return;
8355 : }
8356 :
8357 : const char *pszExpected =
8358 6 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8359 : const char *pszActual =
8360 6 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8361 6 : int bIsAssignable = OGR_GT_IsSubClassOf(OGRFromOGCGeomType(pszActual),
8362 : OGRFromOGCGeomType(pszExpected));
8363 6 : sqlite3_result_int(pContext, bIsAssignable);
8364 : }
8365 :
8366 : /************************************************************************/
8367 : /* OGRGeoPackageSTSRID() */
8368 : /************************************************************************/
8369 :
8370 12 : static void OGRGeoPackageSTSRID(sqlite3_context *pContext, int argc,
8371 : sqlite3_value **argv)
8372 : {
8373 : GPkgHeader sHeader;
8374 12 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8375 : {
8376 2 : sqlite3_result_null(pContext);
8377 2 : return;
8378 : }
8379 10 : sqlite3_result_int(pContext, sHeader.iSrsId);
8380 : }
8381 :
8382 : /************************************************************************/
8383 : /* OGRGeoPackageSetSRID() */
8384 : /************************************************************************/
8385 :
8386 28 : static void OGRGeoPackageSetSRID(sqlite3_context *pContext, int /* argc */,
8387 : sqlite3_value **argv)
8388 : {
8389 28 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8390 : {
8391 1 : sqlite3_result_null(pContext);
8392 1 : return;
8393 : }
8394 27 : const int nDestSRID = sqlite3_value_int(argv[1]);
8395 : GPkgHeader sHeader;
8396 27 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8397 : const GByte *pabyBLOB =
8398 27 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8399 :
8400 54 : if (nBLOBLen < 8 ||
8401 27 : GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) != OGRERR_NONE)
8402 : {
8403 : // Try also spatialite geometry blobs
8404 0 : OGRGeometry *poGeom = nullptr;
8405 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeom) !=
8406 : OGRERR_NONE)
8407 : {
8408 0 : sqlite3_result_null(pContext);
8409 0 : return;
8410 : }
8411 0 : size_t nBLOBDestLen = 0;
8412 : GByte *pabyDestBLOB =
8413 0 : GPkgGeometryFromOGR(poGeom, nDestSRID, nullptr, &nBLOBDestLen);
8414 0 : if (!pabyDestBLOB)
8415 : {
8416 0 : sqlite3_result_null(pContext);
8417 0 : return;
8418 : }
8419 0 : sqlite3_result_blob(pContext, pabyDestBLOB,
8420 : static_cast<int>(nBLOBDestLen), VSIFree);
8421 0 : return;
8422 : }
8423 :
8424 27 : GByte *pabyDestBLOB = static_cast<GByte *>(CPLMalloc(nBLOBLen));
8425 27 : memcpy(pabyDestBLOB, pabyBLOB, nBLOBLen);
8426 27 : int32_t nSRIDToSerialize = nDestSRID;
8427 27 : if (OGR_SWAP(sHeader.eByteOrder))
8428 0 : nSRIDToSerialize = CPL_SWAP32(nSRIDToSerialize);
8429 27 : memcpy(pabyDestBLOB + 4, &nSRIDToSerialize, 4);
8430 27 : sqlite3_result_blob(pContext, pabyDestBLOB, nBLOBLen, VSIFree);
8431 : }
8432 :
8433 : /************************************************************************/
8434 : /* OGRGeoPackageSTMakeValid() */
8435 : /************************************************************************/
8436 :
8437 3 : static void OGRGeoPackageSTMakeValid(sqlite3_context *pContext, int argc,
8438 : sqlite3_value **argv)
8439 : {
8440 3 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8441 : {
8442 2 : sqlite3_result_null(pContext);
8443 2 : return;
8444 : }
8445 1 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8446 : const GByte *pabyBLOB =
8447 1 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8448 :
8449 : GPkgHeader sHeader;
8450 1 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8451 : {
8452 0 : sqlite3_result_null(pContext);
8453 0 : return;
8454 : }
8455 :
8456 : auto poGeom = std::unique_ptr<OGRGeometry>(
8457 1 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8458 1 : if (poGeom == nullptr)
8459 : {
8460 : // Try also spatialite geometry blobs
8461 0 : OGRGeometry *poGeomPtr = nullptr;
8462 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeomPtr) !=
8463 : OGRERR_NONE)
8464 : {
8465 0 : sqlite3_result_null(pContext);
8466 0 : return;
8467 : }
8468 0 : poGeom.reset(poGeomPtr);
8469 : }
8470 1 : auto poValid = std::unique_ptr<OGRGeometry>(poGeom->MakeValid());
8471 1 : if (poValid == nullptr)
8472 : {
8473 0 : sqlite3_result_null(pContext);
8474 0 : return;
8475 : }
8476 :
8477 1 : size_t nBLOBDestLen = 0;
8478 1 : GByte *pabyDestBLOB = GPkgGeometryFromOGR(poValid.get(), sHeader.iSrsId,
8479 : nullptr, &nBLOBDestLen);
8480 1 : if (!pabyDestBLOB)
8481 : {
8482 0 : sqlite3_result_null(pContext);
8483 0 : return;
8484 : }
8485 1 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
8486 : VSIFree);
8487 : }
8488 :
8489 : /************************************************************************/
8490 : /* OGRGeoPackageSTArea() */
8491 : /************************************************************************/
8492 :
8493 19 : static void OGRGeoPackageSTArea(sqlite3_context *pContext, int /*argc*/,
8494 : sqlite3_value **argv)
8495 : {
8496 19 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8497 : {
8498 1 : sqlite3_result_null(pContext);
8499 15 : return;
8500 : }
8501 18 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8502 : const GByte *pabyBLOB =
8503 18 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8504 :
8505 : GPkgHeader sHeader;
8506 0 : std::unique_ptr<OGRGeometry> poGeom;
8507 18 : if (GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) == OGRERR_NONE)
8508 : {
8509 16 : if (sHeader.bEmpty)
8510 : {
8511 3 : sqlite3_result_double(pContext, 0);
8512 13 : return;
8513 : }
8514 13 : const GByte *pabyWkb = pabyBLOB + sHeader.nHeaderLen;
8515 13 : size_t nWKBSize = nBLOBLen - sHeader.nHeaderLen;
8516 : bool bNeedSwap;
8517 : uint32_t nType;
8518 13 : if (OGRWKBGetGeomType(pabyWkb, nWKBSize, bNeedSwap, nType))
8519 : {
8520 13 : if (nType == wkbPolygon || nType == wkbPolygon25D ||
8521 11 : nType == wkbPolygon + 1000 || // wkbPolygonZ
8522 10 : nType == wkbPolygonM || nType == wkbPolygonZM)
8523 : {
8524 : double dfArea;
8525 5 : if (OGRWKBPolygonGetArea(pabyWkb, nWKBSize, dfArea))
8526 : {
8527 5 : sqlite3_result_double(pContext, dfArea);
8528 5 : return;
8529 0 : }
8530 : }
8531 8 : else if (nType == wkbMultiPolygon || nType == wkbMultiPolygon25D ||
8532 6 : nType == wkbMultiPolygon + 1000 || // wkbMultiPolygonZ
8533 5 : nType == wkbMultiPolygonM || nType == wkbMultiPolygonZM)
8534 : {
8535 : double dfArea;
8536 5 : if (OGRWKBMultiPolygonGetArea(pabyWkb, nWKBSize, dfArea))
8537 : {
8538 5 : sqlite3_result_double(pContext, dfArea);
8539 5 : return;
8540 : }
8541 : }
8542 : }
8543 :
8544 : // For curve geometries, fallback to OGRGeometry methods
8545 3 : poGeom.reset(GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8546 : }
8547 : else
8548 : {
8549 : // Try also spatialite geometry blobs
8550 2 : OGRGeometry *poGeomPtr = nullptr;
8551 2 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeomPtr) !=
8552 : OGRERR_NONE)
8553 : {
8554 1 : sqlite3_result_null(pContext);
8555 1 : return;
8556 : }
8557 1 : poGeom.reset(poGeomPtr);
8558 : }
8559 4 : auto poSurface = dynamic_cast<OGRSurface *>(poGeom.get());
8560 4 : if (poSurface == nullptr)
8561 : {
8562 2 : auto poMultiSurface = dynamic_cast<OGRMultiSurface *>(poGeom.get());
8563 2 : if (poMultiSurface == nullptr)
8564 : {
8565 1 : sqlite3_result_double(pContext, 0);
8566 : }
8567 : else
8568 : {
8569 1 : sqlite3_result_double(pContext, poMultiSurface->get_Area());
8570 : }
8571 : }
8572 : else
8573 : {
8574 2 : sqlite3_result_double(pContext, poSurface->get_Area());
8575 : }
8576 : }
8577 :
8578 : /************************************************************************/
8579 : /* OGRGeoPackageGeodesicArea() */
8580 : /************************************************************************/
8581 :
8582 5 : static void OGRGeoPackageGeodesicArea(sqlite3_context *pContext, int argc,
8583 : sqlite3_value **argv)
8584 : {
8585 5 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8586 : {
8587 1 : sqlite3_result_null(pContext);
8588 3 : return;
8589 : }
8590 4 : if (sqlite3_value_int(argv[1]) != 1)
8591 : {
8592 2 : CPLError(CE_Warning, CPLE_NotSupported,
8593 : "ST_Area(geom, use_ellipsoid) is only supported for "
8594 : "use_ellipsoid = 1");
8595 : }
8596 :
8597 4 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8598 : const GByte *pabyBLOB =
8599 4 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8600 : GPkgHeader sHeader;
8601 4 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8602 : {
8603 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8604 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8605 1 : return;
8606 : }
8607 :
8608 : GDALGeoPackageDataset *poDS =
8609 3 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8610 :
8611 3 : auto poSrcSRS = poDS->GetSpatialRef(sHeader.iSrsId, true);
8612 3 : if (poSrcSRS == nullptr)
8613 : {
8614 1 : CPLError(CE_Failure, CPLE_AppDefined,
8615 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8616 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8617 1 : return;
8618 : }
8619 :
8620 : auto poGeom = std::unique_ptr<OGRGeometry>(
8621 2 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8622 2 : if (poGeom == nullptr)
8623 : {
8624 : // Try also spatialite geometry blobs
8625 0 : OGRGeometry *poGeomSpatialite = nullptr;
8626 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8627 0 : &poGeomSpatialite) != OGRERR_NONE)
8628 : {
8629 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8630 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8631 0 : return;
8632 : }
8633 0 : poGeom.reset(poGeomSpatialite);
8634 : }
8635 :
8636 2 : poGeom->assignSpatialReference(poSrcSRS.get());
8637 2 : sqlite3_result_double(
8638 : pContext, OGR_G_GeodesicArea(OGRGeometry::ToHandle(poGeom.get())));
8639 : }
8640 :
8641 : /************************************************************************/
8642 : /* OGRGeoPackageLengthOrGeodesicLength() */
8643 : /************************************************************************/
8644 :
8645 8 : static void OGRGeoPackageLengthOrGeodesicLength(sqlite3_context *pContext,
8646 : int argc, sqlite3_value **argv)
8647 : {
8648 8 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8649 : {
8650 2 : sqlite3_result_null(pContext);
8651 5 : return;
8652 : }
8653 6 : if (argc == 2 && sqlite3_value_int(argv[1]) != 1)
8654 : {
8655 2 : CPLError(CE_Warning, CPLE_NotSupported,
8656 : "ST_Length(geom, use_ellipsoid) is only supported for "
8657 : "use_ellipsoid = 1");
8658 : }
8659 :
8660 6 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8661 : const GByte *pabyBLOB =
8662 6 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8663 : GPkgHeader sHeader;
8664 6 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8665 : {
8666 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8667 2 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8668 2 : return;
8669 : }
8670 :
8671 : GDALGeoPackageDataset *poDS =
8672 4 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8673 :
8674 4 : OGRSpatialReferenceRefCountedPtr poSrcSRS;
8675 4 : if (argc == 2)
8676 : {
8677 3 : poSrcSRS = poDS->GetSpatialRef(sHeader.iSrsId, true);
8678 3 : if (!poSrcSRS)
8679 : {
8680 1 : CPLError(CE_Failure, CPLE_AppDefined,
8681 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8682 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8683 1 : return;
8684 : }
8685 : }
8686 :
8687 : auto poGeom = std::unique_ptr<OGRGeometry>(
8688 3 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8689 3 : if (poGeom == nullptr)
8690 : {
8691 : // Try also spatialite geometry blobs
8692 0 : OGRGeometry *poGeomSpatialite = nullptr;
8693 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8694 0 : &poGeomSpatialite) != OGRERR_NONE)
8695 : {
8696 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8697 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8698 0 : return;
8699 : }
8700 0 : poGeom.reset(poGeomSpatialite);
8701 : }
8702 :
8703 3 : if (argc == 2)
8704 2 : poGeom->assignSpatialReference(poSrcSRS.get());
8705 :
8706 6 : sqlite3_result_double(
8707 : pContext,
8708 1 : argc == 1 ? OGR_G_Length(OGRGeometry::ToHandle(poGeom.get()))
8709 2 : : OGR_G_GeodesicLength(OGRGeometry::ToHandle(poGeom.get())));
8710 : }
8711 :
8712 : /************************************************************************/
8713 : /* OGRGeoPackageTransform() */
8714 : /************************************************************************/
8715 :
8716 : void OGRGeoPackageTransform(sqlite3_context *pContext, int argc,
8717 : sqlite3_value **argv);
8718 :
8719 32 : void OGRGeoPackageTransform(sqlite3_context *pContext, int argc,
8720 : sqlite3_value **argv)
8721 : {
8722 63 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB ||
8723 31 : sqlite3_value_type(argv[1]) != SQLITE_INTEGER)
8724 : {
8725 2 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8726 32 : return;
8727 : }
8728 :
8729 30 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8730 : const GByte *pabyBLOB =
8731 30 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8732 : GPkgHeader sHeader;
8733 30 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8734 : {
8735 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8736 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8737 1 : return;
8738 : }
8739 :
8740 29 : const int nDestSRID = sqlite3_value_int(argv[1]);
8741 29 : if (sHeader.iSrsId == nDestSRID)
8742 : {
8743 : // Return blob unmodified
8744 3 : sqlite3_result_blob(pContext, pabyBLOB, nBLOBLen, SQLITE_TRANSIENT);
8745 3 : return;
8746 : }
8747 :
8748 : GDALGeoPackageDataset *poDS =
8749 26 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8750 :
8751 : // Try to get the cached coordinate transformation
8752 : OGRCoordinateTransformation *poCT;
8753 26 : if (poDS->m_nLastCachedCTSrcSRId == sHeader.iSrsId &&
8754 20 : poDS->m_nLastCachedCTDstSRId == nDestSRID)
8755 : {
8756 20 : poCT = poDS->m_poLastCachedCT.get();
8757 : }
8758 : else
8759 : {
8760 6 : auto poSrcSRS = poDS->GetSpatialRef(sHeader.iSrsId, true);
8761 6 : if (poSrcSRS == nullptr)
8762 : {
8763 0 : CPLError(CE_Failure, CPLE_AppDefined,
8764 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8765 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8766 0 : return;
8767 : }
8768 :
8769 6 : auto poDstSRS = poDS->GetSpatialRef(nDestSRID, true);
8770 6 : if (poDstSRS == nullptr)
8771 : {
8772 0 : CPLError(CE_Failure, CPLE_AppDefined, "Target SRID (%d) is invalid",
8773 : nDestSRID);
8774 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8775 0 : return;
8776 : }
8777 : poCT =
8778 6 : OGRCreateCoordinateTransformation(poSrcSRS.get(), poDstSRS.get());
8779 6 : if (poCT == nullptr)
8780 : {
8781 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8782 0 : return;
8783 : }
8784 :
8785 : // Cache coordinate transformation for potential later reuse
8786 6 : poDS->m_nLastCachedCTSrcSRId = sHeader.iSrsId;
8787 6 : poDS->m_nLastCachedCTDstSRId = nDestSRID;
8788 6 : poDS->m_poLastCachedCT.reset(poCT);
8789 6 : poCT = poDS->m_poLastCachedCT.get();
8790 : }
8791 :
8792 26 : if (sHeader.nHeaderLen >= 8)
8793 : {
8794 26 : std::vector<GByte> &abyNewBLOB = poDS->m_abyWKBTransformCache;
8795 26 : abyNewBLOB.resize(nBLOBLen);
8796 26 : memcpy(abyNewBLOB.data(), pabyBLOB, nBLOBLen);
8797 :
8798 26 : OGREnvelope3D oEnv3d;
8799 26 : if (!OGRWKBTransform(abyNewBLOB.data() + sHeader.nHeaderLen,
8800 26 : nBLOBLen - sHeader.nHeaderLen, poCT,
8801 78 : poDS->m_oWKBTransformCache, oEnv3d) ||
8802 26 : !GPkgUpdateHeader(abyNewBLOB.data(), nBLOBLen, nDestSRID,
8803 : oEnv3d.MinX, oEnv3d.MaxX, oEnv3d.MinY,
8804 : oEnv3d.MaxY, oEnv3d.MinZ, oEnv3d.MaxZ))
8805 : {
8806 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8807 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8808 0 : return;
8809 : }
8810 :
8811 26 : sqlite3_result_blob(pContext, abyNewBLOB.data(), nBLOBLen,
8812 : SQLITE_TRANSIENT);
8813 26 : return;
8814 : }
8815 :
8816 : // Try also spatialite geometry blobs
8817 0 : OGRGeometry *poGeomSpatialite = nullptr;
8818 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8819 0 : &poGeomSpatialite) != OGRERR_NONE)
8820 : {
8821 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8822 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8823 0 : return;
8824 : }
8825 0 : auto poGeom = std::unique_ptr<OGRGeometry>(poGeomSpatialite);
8826 :
8827 0 : if (poGeom->transform(poCT) != OGRERR_NONE)
8828 : {
8829 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8830 0 : return;
8831 : }
8832 :
8833 0 : size_t nBLOBDestLen = 0;
8834 : GByte *pabyDestBLOB =
8835 0 : GPkgGeometryFromOGR(poGeom.get(), nDestSRID, nullptr, &nBLOBDestLen);
8836 0 : if (!pabyDestBLOB)
8837 : {
8838 0 : sqlite3_result_null(pContext);
8839 0 : return;
8840 : }
8841 0 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
8842 : VSIFree);
8843 : }
8844 :
8845 : /************************************************************************/
8846 : /* OGRGeoPackageSridFromAuthCRS() */
8847 : /************************************************************************/
8848 :
8849 4 : static void OGRGeoPackageSridFromAuthCRS(sqlite3_context *pContext,
8850 : int /*argc*/, sqlite3_value **argv)
8851 : {
8852 7 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8853 3 : sqlite3_value_type(argv[1]) != SQLITE_INTEGER)
8854 : {
8855 2 : sqlite3_result_int(pContext, -1);
8856 2 : return;
8857 : }
8858 :
8859 : GDALGeoPackageDataset *poDS =
8860 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8861 :
8862 2 : char *pszSQL = sqlite3_mprintf(
8863 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
8864 : "lower(organization) = lower('%q') AND organization_coordsys_id = %d",
8865 2 : sqlite3_value_text(argv[0]), sqlite3_value_int(argv[1]));
8866 2 : OGRErr err = OGRERR_NONE;
8867 2 : int nSRSId = SQLGetInteger(poDS->GetDB(), pszSQL, &err);
8868 2 : sqlite3_free(pszSQL);
8869 2 : if (err != OGRERR_NONE)
8870 1 : nSRSId = -1;
8871 2 : sqlite3_result_int(pContext, nSRSId);
8872 : }
8873 :
8874 : /************************************************************************/
8875 : /* OGRGeoPackageImportFromEPSG() */
8876 : /************************************************************************/
8877 :
8878 4 : static void OGRGeoPackageImportFromEPSG(sqlite3_context *pContext, int /*argc*/,
8879 : sqlite3_value **argv)
8880 : {
8881 4 : if (sqlite3_value_type(argv[0]) != SQLITE_INTEGER)
8882 : {
8883 1 : sqlite3_result_int(pContext, -1);
8884 2 : return;
8885 : }
8886 :
8887 : GDALGeoPackageDataset *poDS =
8888 3 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8889 3 : OGRSpatialReference oSRS;
8890 3 : if (oSRS.importFromEPSG(sqlite3_value_int(argv[0])) != OGRERR_NONE)
8891 : {
8892 1 : sqlite3_result_int(pContext, -1);
8893 1 : return;
8894 : }
8895 :
8896 2 : sqlite3_result_int(pContext, poDS->GetSrsId(&oSRS));
8897 : }
8898 :
8899 : /************************************************************************/
8900 : /* OGRGeoPackageRegisterGeometryExtension() */
8901 : /************************************************************************/
8902 :
8903 1 : static void OGRGeoPackageRegisterGeometryExtension(sqlite3_context *pContext,
8904 : int /*argc*/,
8905 : sqlite3_value **argv)
8906 : {
8907 1 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8908 2 : sqlite3_value_type(argv[1]) != SQLITE_TEXT ||
8909 1 : sqlite3_value_type(argv[2]) != SQLITE_TEXT)
8910 : {
8911 0 : sqlite3_result_int(pContext, 0);
8912 0 : return;
8913 : }
8914 :
8915 : const char *pszTableName =
8916 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8917 : const char *pszGeomName =
8918 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8919 : const char *pszGeomType =
8920 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[2]));
8921 :
8922 : GDALGeoPackageDataset *poDS =
8923 1 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8924 :
8925 1 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8926 1 : poDS->GetLayerByName(pszTableName));
8927 1 : if (poLyr == nullptr)
8928 : {
8929 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8930 0 : sqlite3_result_int(pContext, 0);
8931 0 : return;
8932 : }
8933 1 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
8934 : {
8935 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
8936 0 : sqlite3_result_int(pContext, 0);
8937 0 : return;
8938 : }
8939 1 : const OGRwkbGeometryType eGeomType = OGRFromOGCGeomType(pszGeomType);
8940 1 : if (eGeomType == wkbUnknown)
8941 : {
8942 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry type name");
8943 0 : sqlite3_result_int(pContext, 0);
8944 0 : return;
8945 : }
8946 :
8947 1 : sqlite3_result_int(
8948 : pContext,
8949 1 : static_cast<int>(poLyr->CreateGeometryExtensionIfNecessary(eGeomType)));
8950 : }
8951 :
8952 : /************************************************************************/
8953 : /* OGRGeoPackageCreateSpatialIndex() */
8954 : /************************************************************************/
8955 :
8956 14 : static void OGRGeoPackageCreateSpatialIndex(sqlite3_context *pContext,
8957 : int /*argc*/, sqlite3_value **argv)
8958 : {
8959 27 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8960 13 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8961 : {
8962 2 : sqlite3_result_int(pContext, 0);
8963 2 : return;
8964 : }
8965 :
8966 : const char *pszTableName =
8967 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8968 : const char *pszGeomName =
8969 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8970 : GDALGeoPackageDataset *poDS =
8971 12 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8972 :
8973 12 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8974 12 : poDS->GetLayerByName(pszTableName));
8975 12 : if (poLyr == nullptr)
8976 : {
8977 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8978 1 : sqlite3_result_int(pContext, 0);
8979 1 : return;
8980 : }
8981 11 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
8982 : {
8983 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
8984 1 : sqlite3_result_int(pContext, 0);
8985 1 : return;
8986 : }
8987 :
8988 10 : sqlite3_result_int(pContext, poLyr->CreateSpatialIndex());
8989 : }
8990 :
8991 : /************************************************************************/
8992 : /* OGRGeoPackageDisableSpatialIndex() */
8993 : /************************************************************************/
8994 :
8995 12 : static void OGRGeoPackageDisableSpatialIndex(sqlite3_context *pContext,
8996 : int /*argc*/, sqlite3_value **argv)
8997 : {
8998 23 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8999 11 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9000 : {
9001 2 : sqlite3_result_int(pContext, 0);
9002 2 : return;
9003 : }
9004 :
9005 : const char *pszTableName =
9006 10 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9007 : const char *pszGeomName =
9008 10 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9009 : GDALGeoPackageDataset *poDS =
9010 10 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9011 :
9012 10 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
9013 10 : poDS->GetLayerByName(pszTableName));
9014 10 : if (poLyr == nullptr)
9015 : {
9016 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
9017 1 : sqlite3_result_int(pContext, 0);
9018 1 : return;
9019 : }
9020 9 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9021 : {
9022 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9023 1 : sqlite3_result_int(pContext, 0);
9024 1 : return;
9025 : }
9026 :
9027 8 : sqlite3_result_int(pContext, poLyr->DropSpatialIndex(true));
9028 : }
9029 :
9030 : /************************************************************************/
9031 : /* OGRGeoPackageHasSpatialIndex() */
9032 : /************************************************************************/
9033 :
9034 29 : static void OGRGeoPackageHasSpatialIndex(sqlite3_context *pContext,
9035 : int /*argc*/, sqlite3_value **argv)
9036 : {
9037 57 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9038 28 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9039 : {
9040 2 : sqlite3_result_int(pContext, 0);
9041 2 : return;
9042 : }
9043 :
9044 : const char *pszTableName =
9045 27 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9046 : const char *pszGeomName =
9047 27 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9048 : GDALGeoPackageDataset *poDS =
9049 27 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9050 :
9051 27 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
9052 27 : poDS->GetLayerByName(pszTableName));
9053 27 : if (poLyr == nullptr)
9054 : {
9055 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
9056 1 : sqlite3_result_int(pContext, 0);
9057 1 : return;
9058 : }
9059 26 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9060 : {
9061 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9062 1 : sqlite3_result_int(pContext, 0);
9063 1 : return;
9064 : }
9065 :
9066 25 : poLyr->RunDeferredCreationIfNecessary();
9067 25 : poLyr->CreateSpatialIndexIfNecessary();
9068 :
9069 25 : sqlite3_result_int(pContext, poLyr->HasSpatialIndex());
9070 : }
9071 :
9072 : /************************************************************************/
9073 : /* GPKG_hstore_get_value() */
9074 : /************************************************************************/
9075 :
9076 4 : static void GPKG_hstore_get_value(sqlite3_context *pContext, int /*argc*/,
9077 : sqlite3_value **argv)
9078 : {
9079 7 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9080 3 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9081 : {
9082 2 : sqlite3_result_null(pContext);
9083 2 : return;
9084 : }
9085 :
9086 : const char *pszHStore =
9087 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9088 : const char *pszSearchedKey =
9089 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9090 2 : char *pszValue = OGRHStoreGetValue(pszHStore, pszSearchedKey);
9091 2 : if (pszValue != nullptr)
9092 1 : sqlite3_result_text(pContext, pszValue, -1, CPLFree);
9093 : else
9094 1 : sqlite3_result_null(pContext);
9095 : }
9096 :
9097 : /************************************************************************/
9098 : /* GPKG_GDAL_GetMemFileFromBlob() */
9099 : /************************************************************************/
9100 :
9101 105 : static CPLString GPKG_GDAL_GetMemFileFromBlob(sqlite3_value **argv)
9102 : {
9103 105 : int nBytes = sqlite3_value_bytes(argv[0]);
9104 : const GByte *pabyBLOB =
9105 105 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
9106 : CPLString osMemFileName(
9107 105 : VSIMemGenerateHiddenFilename("GPKG_GDAL_GetMemFileFromBlob"));
9108 105 : VSILFILE *fp = VSIFileFromMemBuffer(
9109 : osMemFileName.c_str(), const_cast<GByte *>(pabyBLOB), nBytes, FALSE);
9110 105 : VSIFCloseL(fp);
9111 105 : return osMemFileName;
9112 : }
9113 :
9114 : /************************************************************************/
9115 : /* GPKG_GDAL_GetMimeType() */
9116 : /************************************************************************/
9117 :
9118 35 : static void GPKG_GDAL_GetMimeType(sqlite3_context *pContext, int /*argc*/,
9119 : sqlite3_value **argv)
9120 : {
9121 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9122 : {
9123 0 : sqlite3_result_null(pContext);
9124 0 : return;
9125 : }
9126 :
9127 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9128 : GDALDriver *poDriver =
9129 35 : GDALDriver::FromHandle(GDALIdentifyDriver(osMemFileName, nullptr));
9130 35 : if (poDriver != nullptr)
9131 : {
9132 35 : const char *pszRes = nullptr;
9133 35 : if (EQUAL(poDriver->GetDescription(), "PNG"))
9134 23 : pszRes = "image/png";
9135 12 : else if (EQUAL(poDriver->GetDescription(), "JPEG"))
9136 6 : pszRes = "image/jpeg";
9137 6 : else if (EQUAL(poDriver->GetDescription(), "WEBP"))
9138 6 : pszRes = "image/x-webp";
9139 0 : else if (EQUAL(poDriver->GetDescription(), "GTIFF"))
9140 0 : pszRes = "image/tiff";
9141 : else
9142 0 : pszRes = CPLSPrintf("gdal/%s", poDriver->GetDescription());
9143 35 : sqlite3_result_text(pContext, pszRes, -1, SQLITE_TRANSIENT);
9144 : }
9145 : else
9146 0 : sqlite3_result_null(pContext);
9147 35 : VSIUnlink(osMemFileName);
9148 : }
9149 :
9150 : /************************************************************************/
9151 : /* GPKG_GDAL_GetBandCount() */
9152 : /************************************************************************/
9153 :
9154 35 : static void GPKG_GDAL_GetBandCount(sqlite3_context *pContext, int /*argc*/,
9155 : sqlite3_value **argv)
9156 : {
9157 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9158 : {
9159 0 : sqlite3_result_null(pContext);
9160 0 : return;
9161 : }
9162 :
9163 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9164 : auto poDS = std::unique_ptr<GDALDataset>(
9165 : GDALDataset::Open(osMemFileName, GDAL_OF_RASTER | GDAL_OF_INTERNAL,
9166 70 : nullptr, nullptr, nullptr));
9167 35 : if (poDS != nullptr)
9168 : {
9169 35 : sqlite3_result_int(pContext, poDS->GetRasterCount());
9170 : }
9171 : else
9172 0 : sqlite3_result_null(pContext);
9173 35 : VSIUnlink(osMemFileName);
9174 : }
9175 :
9176 : /************************************************************************/
9177 : /* GPKG_GDAL_HasColorTable() */
9178 : /************************************************************************/
9179 :
9180 35 : static void GPKG_GDAL_HasColorTable(sqlite3_context *pContext, int /*argc*/,
9181 : sqlite3_value **argv)
9182 : {
9183 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9184 : {
9185 0 : sqlite3_result_null(pContext);
9186 0 : return;
9187 : }
9188 :
9189 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9190 : auto poDS = std::unique_ptr<GDALDataset>(
9191 : GDALDataset::Open(osMemFileName, GDAL_OF_RASTER | GDAL_OF_INTERNAL,
9192 70 : nullptr, nullptr, nullptr));
9193 35 : if (poDS != nullptr)
9194 : {
9195 35 : sqlite3_result_int(
9196 46 : pContext, poDS->GetRasterCount() == 1 &&
9197 11 : poDS->GetRasterBand(1)->GetColorTable() != nullptr);
9198 : }
9199 : else
9200 0 : sqlite3_result_null(pContext);
9201 35 : VSIUnlink(osMemFileName);
9202 : }
9203 :
9204 : /************************************************************************/
9205 : /* GetRasterLayerDataset() */
9206 : /************************************************************************/
9207 :
9208 : GDALDataset *
9209 12 : GDALGeoPackageDataset::GetRasterLayerDataset(const char *pszLayerName)
9210 : {
9211 12 : const auto oIter = m_oCachedRasterDS.find(pszLayerName);
9212 12 : if (oIter != m_oCachedRasterDS.end())
9213 10 : return oIter->second.get();
9214 :
9215 : auto poDS = std::unique_ptr<GDALDataset>(GDALDataset::Open(
9216 4 : (std::string("GPKG:\"") + m_pszFilename + "\":" + pszLayerName).c_str(),
9217 4 : GDAL_OF_RASTER | GDAL_OF_VERBOSE_ERROR));
9218 2 : if (!poDS)
9219 : {
9220 0 : return nullptr;
9221 : }
9222 2 : m_oCachedRasterDS[pszLayerName] = std::move(poDS);
9223 2 : return m_oCachedRasterDS[pszLayerName].get();
9224 : }
9225 :
9226 : /************************************************************************/
9227 : /* GPKG_gdal_get_layer_pixel_value() */
9228 : /************************************************************************/
9229 :
9230 : // NOTE: keep in sync implementations in ogrsqlitesqlfunctionscommon.cpp
9231 : // and ogrgeopackagedatasource.cpp
9232 13 : static void GPKG_gdal_get_layer_pixel_value(sqlite3_context *pContext, int argc,
9233 : sqlite3_value **argv)
9234 : {
9235 13 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT)
9236 : {
9237 1 : CPLError(CE_Failure, CPLE_AppDefined,
9238 : "Invalid arguments to gdal_get_layer_pixel_value()");
9239 1 : sqlite3_result_null(pContext);
9240 1 : return;
9241 : }
9242 :
9243 : const char *pszLayerName =
9244 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9245 :
9246 : GDALGeoPackageDataset *poGlobalDS =
9247 12 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9248 12 : auto poDS = poGlobalDS->GetRasterLayerDataset(pszLayerName);
9249 12 : if (!poDS)
9250 : {
9251 0 : sqlite3_result_null(pContext);
9252 0 : return;
9253 : }
9254 :
9255 12 : OGRSQLite_gdal_get_pixel_value_common("gdal_get_layer_pixel_value",
9256 : pContext, argc, argv, poDS);
9257 : }
9258 :
9259 : /************************************************************************/
9260 : /* GPKG_ogr_layer_Extent() */
9261 : /************************************************************************/
9262 :
9263 3 : static void GPKG_ogr_layer_Extent(sqlite3_context *pContext, int /*argc*/,
9264 : sqlite3_value **argv)
9265 : {
9266 3 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT)
9267 : {
9268 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Invalid argument type",
9269 : "ogr_layer_Extent");
9270 1 : sqlite3_result_null(pContext);
9271 2 : return;
9272 : }
9273 :
9274 : const char *pszLayerName =
9275 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9276 : GDALGeoPackageDataset *poDS =
9277 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9278 2 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9279 2 : if (!poLayer)
9280 : {
9281 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer",
9282 : "ogr_layer_Extent");
9283 1 : sqlite3_result_null(pContext);
9284 1 : return;
9285 : }
9286 :
9287 1 : if (poLayer->GetGeomType() == wkbNone)
9288 : {
9289 0 : sqlite3_result_null(pContext);
9290 0 : return;
9291 : }
9292 :
9293 1 : OGREnvelope sExtent;
9294 1 : if (poLayer->GetExtent(&sExtent, true) != OGRERR_NONE)
9295 : {
9296 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9297 : "ogr_layer_Extent");
9298 0 : sqlite3_result_null(pContext);
9299 0 : return;
9300 : }
9301 :
9302 1 : OGRPolygon oPoly;
9303 1 : auto poRing = std::make_unique<OGRLinearRing>();
9304 1 : poRing->addPoint(sExtent.MinX, sExtent.MinY);
9305 1 : poRing->addPoint(sExtent.MaxX, sExtent.MinY);
9306 1 : poRing->addPoint(sExtent.MaxX, sExtent.MaxY);
9307 1 : poRing->addPoint(sExtent.MinX, sExtent.MaxY);
9308 1 : poRing->addPoint(sExtent.MinX, sExtent.MinY);
9309 1 : oPoly.addRing(std::move(poRing));
9310 :
9311 1 : const auto poSRS = poLayer->GetSpatialRef();
9312 1 : const int nSRID = poDS->GetSrsId(poSRS);
9313 1 : size_t nBLOBDestLen = 0;
9314 : GByte *pabyDestBLOB =
9315 1 : GPkgGeometryFromOGR(&oPoly, nSRID, nullptr, &nBLOBDestLen);
9316 1 : if (!pabyDestBLOB)
9317 : {
9318 0 : sqlite3_result_null(pContext);
9319 0 : return;
9320 : }
9321 1 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
9322 : VSIFree);
9323 : }
9324 :
9325 : /************************************************************************/
9326 : /* GPKG_ST_Hilbert_X_Y_TableName() */
9327 : /************************************************************************/
9328 :
9329 8 : static void GPKG_ST_Hilbert_X_Y_TableName(sqlite3_context *pContext,
9330 : [[maybe_unused]] int argc,
9331 : sqlite3_value **argv)
9332 : {
9333 8 : CPLAssert(argc == 3);
9334 8 : const double dfX = sqlite3_value_double(argv[0]);
9335 8 : const double dfY = sqlite3_value_double(argv[1]);
9336 :
9337 8 : if (sqlite3_value_type(argv[2]) != SQLITE_TEXT)
9338 : {
9339 1 : CPLError(CE_Failure, CPLE_AppDefined,
9340 : "%s: Invalid argument type for 3rd argument. Text expected",
9341 : "ST_Hilbert()");
9342 1 : sqlite3_result_null(pContext);
9343 6 : return;
9344 : }
9345 :
9346 : const char *pszLayerName =
9347 7 : reinterpret_cast<const char *>(sqlite3_value_text(argv[2]));
9348 : GDALGeoPackageDataset *poDS =
9349 7 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9350 7 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9351 7 : if (!poLayer)
9352 : {
9353 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer '%s'",
9354 : "ST_Hilbert()", pszLayerName);
9355 1 : sqlite3_result_null(pContext);
9356 1 : return;
9357 : }
9358 :
9359 6 : OGREnvelope sExtent;
9360 6 : if (poLayer->GetExtent(&sExtent, true) != OGRERR_NONE)
9361 : {
9362 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9363 : "ST_Hilbert()");
9364 0 : sqlite3_result_null(pContext);
9365 0 : return;
9366 : }
9367 6 : if (!(dfX >= sExtent.MinX && dfY >= sExtent.MinY && dfX <= sExtent.MaxX &&
9368 3 : dfY <= sExtent.MaxY))
9369 : {
9370 4 : CPLError(CE_Warning, CPLE_AppDefined,
9371 : "ST_Hilbert(): (%g, %g) is not within passed bounding box",
9372 : dfX, dfY);
9373 4 : sqlite3_result_null(pContext);
9374 4 : return;
9375 : }
9376 2 : sqlite3_result_int64(pContext, GDALHilbertCode(&sExtent, dfX, dfY));
9377 : }
9378 :
9379 : /************************************************************************/
9380 : /* GPKG_ST_Hilbert_Geom_BBOX() */
9381 : /************************************************************************/
9382 :
9383 6 : static void GPKG_ST_Hilbert_Geom_BBOX(sqlite3_context *pContext, int argc,
9384 : sqlite3_value **argv)
9385 : {
9386 6 : CPLAssert(argc == 5);
9387 : GPkgHeader sHeader;
9388 6 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
9389 : {
9390 1 : sqlite3_result_null(pContext);
9391 5 : return;
9392 : }
9393 5 : const double dfX = (sHeader.MinX + sHeader.MaxX) / 2;
9394 5 : const double dfY = (sHeader.MinY + sHeader.MaxY) / 2;
9395 :
9396 5 : OGREnvelope sExtent;
9397 5 : sExtent.MinX = sqlite3_value_double(argv[1]);
9398 5 : sExtent.MinY = sqlite3_value_double(argv[2]);
9399 5 : sExtent.MaxX = sqlite3_value_double(argv[3]);
9400 5 : sExtent.MaxY = sqlite3_value_double(argv[4]);
9401 5 : if (!(dfX >= sExtent.MinX && dfY >= sExtent.MinY && dfX <= sExtent.MaxX &&
9402 2 : dfY <= sExtent.MaxY))
9403 : {
9404 4 : CPLError(CE_Warning, CPLE_AppDefined,
9405 : "ST_Hilbert(): (%g, %g) is not within passed bounding box",
9406 : dfX, dfY);
9407 4 : sqlite3_result_null(pContext);
9408 4 : return;
9409 : }
9410 1 : sqlite3_result_int64(pContext, GDALHilbertCode(&sExtent, dfX, dfY));
9411 : }
9412 :
9413 : /************************************************************************/
9414 : /* GPKG_ST_Hilbert_Geom_TableName() */
9415 : /************************************************************************/
9416 :
9417 4 : static void GPKG_ST_Hilbert_Geom_TableName(sqlite3_context *pContext, int argc,
9418 : sqlite3_value **argv)
9419 : {
9420 4 : CPLAssert(argc == 2);
9421 : GPkgHeader sHeader;
9422 4 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
9423 : {
9424 1 : sqlite3_result_null(pContext);
9425 3 : return;
9426 : }
9427 3 : const double dfX = (sHeader.MinX + sHeader.MaxX) / 2;
9428 3 : const double dfY = (sHeader.MinY + sHeader.MaxY) / 2;
9429 :
9430 3 : if (sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9431 : {
9432 1 : CPLError(CE_Failure, CPLE_AppDefined,
9433 : "%s: Invalid argument type for 2nd argument. Text expected",
9434 : "ST_Hilbert()");
9435 1 : sqlite3_result_null(pContext);
9436 1 : return;
9437 : }
9438 :
9439 : const char *pszLayerName =
9440 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9441 : GDALGeoPackageDataset *poDS =
9442 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9443 2 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9444 2 : if (!poLayer)
9445 : {
9446 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer '%s'",
9447 : "ST_Hilbert()", pszLayerName);
9448 1 : sqlite3_result_null(pContext);
9449 1 : return;
9450 : }
9451 :
9452 1 : OGREnvelope sExtent;
9453 1 : if (poLayer->GetExtent(&sExtent, true) != OGRERR_NONE)
9454 : {
9455 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9456 : "ST_Hilbert()");
9457 0 : sqlite3_result_null(pContext);
9458 0 : return;
9459 : }
9460 1 : if (!(dfX >= sExtent.MinX && dfY >= sExtent.MinY && dfX <= sExtent.MaxX &&
9461 1 : dfY <= sExtent.MaxY))
9462 : {
9463 0 : CPLError(CE_Warning, CPLE_AppDefined,
9464 : "ST_Hilbert(): (%g, %g) is not within passed bounding box",
9465 : dfX, dfY);
9466 0 : sqlite3_result_null(pContext);
9467 0 : return;
9468 : }
9469 1 : sqlite3_result_int64(pContext, GDALHilbertCode(&sExtent, dfX, dfY));
9470 : }
9471 :
9472 : /************************************************************************/
9473 : /* InstallSQLFunctions() */
9474 : /************************************************************************/
9475 :
9476 : #ifndef SQLITE_DETERMINISTIC
9477 : #define SQLITE_DETERMINISTIC 0
9478 : #endif
9479 :
9480 : #ifndef SQLITE_INNOCUOUS
9481 : #define SQLITE_INNOCUOUS 0
9482 : #endif
9483 :
9484 : #ifndef UTF8_INNOCUOUS
9485 : #define UTF8_INNOCUOUS (SQLITE_UTF8 | SQLITE_DETERMINISTIC | SQLITE_INNOCUOUS)
9486 : #endif
9487 :
9488 2468 : void GDALGeoPackageDataset::InstallSQLFunctions()
9489 : {
9490 2468 : InitSpatialite();
9491 :
9492 : // Enable SpatiaLite 4.3 GPKG mode, i.e. that SpatiaLite functions
9493 : // that take geometries will accept and return GPKG encoded geometries without
9494 : // explicit conversion.
9495 : // Use sqlite3_exec() instead of SQLCommand() since we don't want verbose
9496 : // error.
9497 2468 : sqlite3_exec(hDB, "SELECT EnableGpkgMode()", nullptr, nullptr, nullptr);
9498 :
9499 : /* Used by RTree Spatial Index Extension */
9500 2468 : sqlite3_create_function(hDB, "ST_MinX", 1, UTF8_INNOCUOUS, nullptr,
9501 : OGRGeoPackageSTMinX, nullptr, nullptr);
9502 2468 : sqlite3_create_function(hDB, "ST_MinY", 1, UTF8_INNOCUOUS, nullptr,
9503 : OGRGeoPackageSTMinY, nullptr, nullptr);
9504 2468 : sqlite3_create_function(hDB, "ST_MaxX", 1, UTF8_INNOCUOUS, nullptr,
9505 : OGRGeoPackageSTMaxX, nullptr, nullptr);
9506 2468 : sqlite3_create_function(hDB, "ST_MaxY", 1, UTF8_INNOCUOUS, nullptr,
9507 : OGRGeoPackageSTMaxY, nullptr, nullptr);
9508 2468 : sqlite3_create_function(hDB, "ST_IsEmpty", 1, UTF8_INNOCUOUS, nullptr,
9509 : OGRGeoPackageSTIsEmpty, nullptr, nullptr);
9510 :
9511 : /* Used by Geometry Type Triggers Extension */
9512 2468 : sqlite3_create_function(hDB, "ST_GeometryType", 1, UTF8_INNOCUOUS, nullptr,
9513 : OGRGeoPackageSTGeometryType, nullptr, nullptr);
9514 2468 : sqlite3_create_function(hDB, "GPKG_IsAssignable", 2, UTF8_INNOCUOUS,
9515 : nullptr, OGRGeoPackageGPKGIsAssignable, nullptr,
9516 : nullptr);
9517 :
9518 : /* Used by Geometry SRS ID Triggers Extension */
9519 2468 : sqlite3_create_function(hDB, "ST_SRID", 1, UTF8_INNOCUOUS, nullptr,
9520 : OGRGeoPackageSTSRID, nullptr, nullptr);
9521 :
9522 : /* Spatialite-like functions */
9523 2468 : sqlite3_create_function(hDB, "CreateSpatialIndex", 2, SQLITE_UTF8, this,
9524 : OGRGeoPackageCreateSpatialIndex, nullptr, nullptr);
9525 2468 : sqlite3_create_function(hDB, "DisableSpatialIndex", 2, SQLITE_UTF8, this,
9526 : OGRGeoPackageDisableSpatialIndex, nullptr, nullptr);
9527 2468 : sqlite3_create_function(hDB, "HasSpatialIndex", 2, SQLITE_UTF8, this,
9528 : OGRGeoPackageHasSpatialIndex, nullptr, nullptr);
9529 :
9530 : // HSTORE functions
9531 2468 : sqlite3_create_function(hDB, "hstore_get_value", 2, UTF8_INNOCUOUS, nullptr,
9532 : GPKG_hstore_get_value, nullptr, nullptr);
9533 :
9534 : // Override a few Spatialite functions to work with gpkg_spatial_ref_sys
9535 2468 : sqlite3_create_function(hDB, "ST_Transform", 2, UTF8_INNOCUOUS, this,
9536 : OGRGeoPackageTransform, nullptr, nullptr);
9537 2468 : sqlite3_create_function(hDB, "Transform", 2, UTF8_INNOCUOUS, this,
9538 : OGRGeoPackageTransform, nullptr, nullptr);
9539 2468 : sqlite3_create_function(hDB, "SridFromAuthCRS", 2, SQLITE_UTF8, this,
9540 : OGRGeoPackageSridFromAuthCRS, nullptr, nullptr);
9541 :
9542 2468 : sqlite3_create_function(hDB, "ST_EnvIntersects", 2, UTF8_INNOCUOUS, nullptr,
9543 : OGRGeoPackageSTEnvelopesIntersectsTwoParams,
9544 : nullptr, nullptr);
9545 2468 : sqlite3_create_function(
9546 : hDB, "ST_EnvelopesIntersects", 2, UTF8_INNOCUOUS, nullptr,
9547 : OGRGeoPackageSTEnvelopesIntersectsTwoParams, nullptr, nullptr);
9548 :
9549 2468 : sqlite3_create_function(hDB, "ST_EnvIntersects", 5, UTF8_INNOCUOUS, nullptr,
9550 : OGRGeoPackageSTEnvelopesIntersects, nullptr,
9551 : nullptr);
9552 2468 : sqlite3_create_function(hDB, "ST_EnvelopesIntersects", 5, UTF8_INNOCUOUS,
9553 : nullptr, OGRGeoPackageSTEnvelopesIntersects,
9554 : nullptr, nullptr);
9555 :
9556 : // Implementation that directly hacks the GeoPackage geometry blob header
9557 2468 : sqlite3_create_function(hDB, "SetSRID", 2, UTF8_INNOCUOUS, nullptr,
9558 : OGRGeoPackageSetSRID, nullptr, nullptr);
9559 :
9560 : // GDAL specific function
9561 2468 : sqlite3_create_function(hDB, "ImportFromEPSG", 1, SQLITE_UTF8, this,
9562 : OGRGeoPackageImportFromEPSG, nullptr, nullptr);
9563 :
9564 : // May be used by ogrmerge.py
9565 2468 : sqlite3_create_function(hDB, "RegisterGeometryExtension", 3, SQLITE_UTF8,
9566 : this, OGRGeoPackageRegisterGeometryExtension,
9567 : nullptr, nullptr);
9568 :
9569 2468 : if (OGRGeometryFactory::haveGEOS())
9570 : {
9571 2468 : sqlite3_create_function(hDB, "ST_MakeValid", 1, UTF8_INNOCUOUS, nullptr,
9572 : OGRGeoPackageSTMakeValid, nullptr, nullptr);
9573 : }
9574 :
9575 2468 : sqlite3_create_function(hDB, "ST_Length", 1, UTF8_INNOCUOUS, nullptr,
9576 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9577 : nullptr);
9578 2468 : sqlite3_create_function(hDB, "ST_Length", 2, UTF8_INNOCUOUS, this,
9579 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9580 : nullptr);
9581 :
9582 2468 : sqlite3_create_function(hDB, "ST_Area", 1, UTF8_INNOCUOUS, nullptr,
9583 : OGRGeoPackageSTArea, nullptr, nullptr);
9584 2468 : sqlite3_create_function(hDB, "ST_Area", 2, UTF8_INNOCUOUS, this,
9585 : OGRGeoPackageGeodesicArea, nullptr, nullptr);
9586 :
9587 : // Debug functions
9588 2468 : if (CPLTestBool(CPLGetConfigOption("GPKG_DEBUG", "FALSE")))
9589 : {
9590 422 : sqlite3_create_function(hDB, "GDAL_GetMimeType", 1,
9591 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9592 : GPKG_GDAL_GetMimeType, nullptr, nullptr);
9593 422 : sqlite3_create_function(hDB, "GDAL_GetBandCount", 1,
9594 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9595 : GPKG_GDAL_GetBandCount, nullptr, nullptr);
9596 422 : sqlite3_create_function(hDB, "GDAL_HasColorTable", 1,
9597 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9598 : GPKG_GDAL_HasColorTable, nullptr, nullptr);
9599 : }
9600 :
9601 2468 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 5, SQLITE_UTF8,
9602 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9603 : nullptr);
9604 2468 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 6, SQLITE_UTF8,
9605 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9606 : nullptr);
9607 :
9608 : // Function from VirtualOGR
9609 2468 : sqlite3_create_function(hDB, "ogr_layer_Extent", 1, SQLITE_UTF8, this,
9610 : GPKG_ogr_layer_Extent, nullptr, nullptr);
9611 :
9612 2468 : m_pSQLFunctionData = OGRSQLiteRegisterSQLFunctionsCommon(hDB);
9613 :
9614 : // ST_Hilbert() inspired from https://duckdb.org/docs/stable/core_extensions/spatial/functions#st_hilbert
9615 : // Override the generic version of OGRSQLiteRegisterSQLFunctionsCommon()
9616 :
9617 : // X,Y,table_name
9618 2468 : sqlite3_create_function(hDB, "ST_Hilbert", 2 + 1, UTF8_INNOCUOUS, this,
9619 : GPKG_ST_Hilbert_X_Y_TableName, nullptr, nullptr);
9620 :
9621 : // geometry,minX,minY,maxX,maxY
9622 2468 : sqlite3_create_function(hDB, "ST_Hilbert", 1 + 4, UTF8_INNOCUOUS, nullptr,
9623 : GPKG_ST_Hilbert_Geom_BBOX, nullptr, nullptr);
9624 :
9625 : // geometry,table_name
9626 2468 : sqlite3_create_function(hDB, "ST_Hilbert", 1 + 1, UTF8_INNOCUOUS, this,
9627 : GPKG_ST_Hilbert_Geom_TableName, nullptr, nullptr);
9628 2468 : }
9629 :
9630 : /************************************************************************/
9631 : /* OpenOrCreateDB() */
9632 : /************************************************************************/
9633 :
9634 2474 : bool GDALGeoPackageDataset::OpenOrCreateDB(int flags)
9635 : {
9636 2474 : const bool bSuccess = OGRSQLiteBaseDataSource::OpenOrCreateDB(
9637 : flags, /*bRegisterOGR2SQLiteExtensions=*/false,
9638 : /*bLoadExtensions=*/true);
9639 2474 : if (!bSuccess)
9640 11 : return false;
9641 :
9642 : // Turning on recursive_triggers is needed so that DELETE triggers fire
9643 : // in a INSERT OR REPLACE statement. In particular this is needed to
9644 : // make sure gpkg_ogr_contents.feature_count is properly updated.
9645 2463 : SQLCommand(hDB, "PRAGMA recursive_triggers = 1");
9646 :
9647 2463 : InstallSQLFunctions();
9648 :
9649 : const char *pszSqlitePragma =
9650 2463 : CPLGetConfigOption("OGR_SQLITE_PRAGMA", nullptr);
9651 2463 : OGRErr eErr = OGRERR_NONE;
9652 6 : if ((!pszSqlitePragma || !strstr(pszSqlitePragma, "trusted_schema")) &&
9653 : // Older sqlite versions don't have this pragma
9654 4932 : SQLGetInteger(hDB, "PRAGMA trusted_schema", &eErr) == 0 &&
9655 2463 : eErr == OGRERR_NONE)
9656 : {
9657 2463 : bool bNeedsTrustedSchema = false;
9658 :
9659 : // Current SQLite versions require PRAGMA trusted_schema = 1 to be
9660 : // able to use the RTree from triggers, which is only needed when
9661 : // modifying the RTree.
9662 6048 : if (((flags & SQLITE_OPEN_READWRITE) != 0 ||
9663 3804 : (flags & SQLITE_OPEN_CREATE) != 0) &&
9664 1341 : OGRSQLiteRTreeRequiresTrustedSchemaOn())
9665 : {
9666 1341 : bNeedsTrustedSchema = true;
9667 : }
9668 :
9669 : #ifdef HAVE_SPATIALITE
9670 : // Spatialite <= 5.1.0 doesn't declare its functions as SQLITE_INNOCUOUS
9671 1122 : if (!bNeedsTrustedSchema && HasExtensionsTable() &&
9672 1027 : SQLGetInteger(
9673 : hDB,
9674 : "SELECT 1 FROM gpkg_extensions WHERE "
9675 : "extension_name ='gdal_spatialite_computed_geom_column'",
9676 1 : nullptr) == 1 &&
9677 3585 : SpatialiteRequiresTrustedSchemaOn() && AreSpatialiteTriggersSafe())
9678 : {
9679 1 : bNeedsTrustedSchema = true;
9680 : }
9681 : #endif
9682 :
9683 2463 : if (bNeedsTrustedSchema)
9684 : {
9685 1342 : CPLDebug("GPKG", "Setting PRAGMA trusted_schema = 1");
9686 1342 : SQLCommand(hDB, "PRAGMA trusted_schema = 1");
9687 : }
9688 : }
9689 :
9690 : const char *pszPreludeStatements =
9691 2463 : CSLFetchNameValue(papszOpenOptions, "PRELUDE_STATEMENTS");
9692 2463 : if (pszPreludeStatements)
9693 : {
9694 2 : if (SQLCommand(hDB, pszPreludeStatements) != OGRERR_NONE)
9695 0 : return false;
9696 : }
9697 :
9698 2463 : return true;
9699 : }
9700 :
9701 : /************************************************************************/
9702 : /* GetLayerWithGetSpatialWhereByName() */
9703 : /************************************************************************/
9704 :
9705 : std::pair<OGRLayer *, IOGRSQLiteGetSpatialWhere *>
9706 90 : GDALGeoPackageDataset::GetLayerWithGetSpatialWhereByName(const char *pszName)
9707 : {
9708 : OGRGeoPackageLayer *poRet =
9709 90 : cpl::down_cast<OGRGeoPackageLayer *>(GetLayerByName(pszName));
9710 90 : return std::pair(poRet, poRet);
9711 : }
9712 :
9713 : /************************************************************************/
9714 : /* CommitTransaction() */
9715 : /************************************************************************/
9716 :
9717 374 : OGRErr GDALGeoPackageDataset::CommitTransaction()
9718 :
9719 : {
9720 374 : if (m_nSoftTransactionLevel == 1)
9721 : {
9722 368 : FlushMetadata();
9723 791 : for (auto &poLayer : m_apoLayers)
9724 : {
9725 423 : poLayer->DoJobAtTransactionCommit();
9726 : }
9727 : }
9728 :
9729 374 : return OGRSQLiteBaseDataSource::CommitTransaction();
9730 : }
9731 :
9732 : /************************************************************************/
9733 : /* RollbackTransaction() */
9734 : /************************************************************************/
9735 :
9736 37 : OGRErr GDALGeoPackageDataset::RollbackTransaction()
9737 :
9738 : {
9739 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9740 74 : std::vector<bool> abAddTriggers;
9741 37 : std::vector<bool> abTriggersDeletedInTransaction;
9742 : #endif
9743 37 : if (m_nSoftTransactionLevel == 1)
9744 : {
9745 36 : FlushMetadata();
9746 74 : for (auto &poLayer : m_apoLayers)
9747 : {
9748 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9749 38 : abAddTriggers.push_back(poLayer->GetAddOGRFeatureCountTriggers());
9750 38 : abTriggersDeletedInTransaction.push_back(
9751 38 : poLayer->GetOGRFeatureCountTriggersDeletedInTransaction());
9752 38 : poLayer->SetAddOGRFeatureCountTriggers(false);
9753 : #endif
9754 38 : poLayer->DoJobAtTransactionRollback();
9755 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9756 38 : poLayer->DisableFeatureCount();
9757 : #endif
9758 : }
9759 : }
9760 :
9761 37 : const OGRErr eErr = OGRSQLiteBaseDataSource::RollbackTransaction();
9762 :
9763 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9764 37 : if (!abAddTriggers.empty())
9765 : {
9766 72 : for (size_t i = 0; i < m_apoLayers.size(); ++i)
9767 : {
9768 38 : auto &poLayer = m_apoLayers[i];
9769 38 : if (abTriggersDeletedInTransaction[i])
9770 : {
9771 7 : poLayer->SetOGRFeatureCountTriggersEnabled(true);
9772 : }
9773 : else
9774 : {
9775 31 : poLayer->SetAddOGRFeatureCountTriggers(abAddTriggers[i]);
9776 : }
9777 : }
9778 : }
9779 : #endif
9780 74 : return eErr;
9781 : }
9782 :
9783 : /************************************************************************/
9784 : /* GetGeometryTypeString() */
9785 : /************************************************************************/
9786 :
9787 : const char *
9788 1803 : GDALGeoPackageDataset::GetGeometryTypeString(OGRwkbGeometryType eType)
9789 : {
9790 1803 : const char *pszGPKGGeomType = OGRToOGCGeomType(eType);
9791 1815 : if (EQUAL(pszGPKGGeomType, "GEOMETRYCOLLECTION") &&
9792 12 : CPLTestBool(CPLGetConfigOption("OGR_GPKG_GEOMCOLLECTION", "NO")))
9793 : {
9794 0 : pszGPKGGeomType = "GEOMCOLLECTION";
9795 : }
9796 1803 : return pszGPKGGeomType;
9797 : }
9798 :
9799 : /************************************************************************/
9800 : /* GetFieldDomainNames() */
9801 : /************************************************************************/
9802 :
9803 : std::vector<std::string>
9804 18 : GDALGeoPackageDataset::GetFieldDomainNames(CSLConstList) const
9805 : {
9806 18 : if (!HasDataColumnConstraintsTable())
9807 3 : return std::vector<std::string>();
9808 :
9809 30 : std::vector<std::string> oDomainNamesList;
9810 :
9811 15 : std::unique_ptr<SQLResult> oResultTable;
9812 : {
9813 : std::string osSQL =
9814 : "SELECT DISTINCT constraint_name "
9815 : "FROM gpkg_data_column_constraints "
9816 : "WHERE constraint_name NOT LIKE '_%_domain_description' "
9817 : "ORDER BY constraint_name "
9818 15 : "LIMIT 10000" // to avoid denial of service
9819 : ;
9820 15 : oResultTable = SQLQuery(hDB, osSQL.c_str());
9821 15 : if (!oResultTable)
9822 0 : return oDomainNamesList;
9823 : }
9824 :
9825 15 : if (oResultTable->RowCount() == 10000)
9826 : {
9827 0 : CPLError(CE_Warning, CPLE_AppDefined,
9828 : "Number of rows returned for field domain names has been "
9829 : "truncated.");
9830 : }
9831 15 : else if (oResultTable->RowCount() > 0)
9832 : {
9833 14 : oDomainNamesList.reserve(oResultTable->RowCount());
9834 147 : for (int i = 0; i < oResultTable->RowCount(); i++)
9835 : {
9836 133 : const char *pszConstraintName = oResultTable->GetValue(0, i);
9837 133 : if (!pszConstraintName)
9838 0 : continue;
9839 :
9840 133 : oDomainNamesList.emplace_back(pszConstraintName);
9841 : }
9842 : }
9843 :
9844 15 : return oDomainNamesList;
9845 : }
9846 :
9847 : /************************************************************************/
9848 : /* GetFieldDomain() */
9849 : /************************************************************************/
9850 :
9851 : const OGRFieldDomain *
9852 140 : GDALGeoPackageDataset::GetFieldDomain(const std::string &name) const
9853 : {
9854 140 : const auto baseRet = GDALDataset::GetFieldDomain(name);
9855 140 : if (baseRet)
9856 43 : return baseRet;
9857 :
9858 97 : if (!HasDataColumnConstraintsTable())
9859 4 : return nullptr;
9860 :
9861 93 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
9862 93 : const char *min_is_inclusive =
9863 93 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
9864 93 : const char *max_is_inclusive =
9865 93 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
9866 :
9867 93 : std::unique_ptr<SQLResult> oResultTable;
9868 : // Note: for coded domains, we use a little trick by using a dummy
9869 : // _{domainname}_domain_description enum that has a single entry whose
9870 : // description is the description of the main domain.
9871 : {
9872 93 : char *pszSQL = sqlite3_mprintf(
9873 : "SELECT constraint_type, value, min, %s, "
9874 : "max, %s, description, constraint_name "
9875 : "FROM gpkg_data_column_constraints "
9876 : "WHERE constraint_name IN ('%q', "
9877 : "'_%q_domain_description') "
9878 : "AND length(constraint_type) < 100 " // to
9879 : // avoid
9880 : // denial
9881 : // of
9882 : // service
9883 : "AND (value IS NULL OR length(value) < "
9884 : "10000) " // to avoid denial
9885 : // of service
9886 : "AND (description IS NULL OR "
9887 : "length(description) < 10000) " // to
9888 : // avoid
9889 : // denial
9890 : // of
9891 : // service
9892 : "ORDER BY value "
9893 : "LIMIT 10000", // to avoid denial of
9894 : // service
9895 : min_is_inclusive, max_is_inclusive, name.c_str(), name.c_str());
9896 93 : oResultTable = SQLQuery(hDB, pszSQL);
9897 93 : sqlite3_free(pszSQL);
9898 93 : if (!oResultTable)
9899 0 : return nullptr;
9900 : }
9901 93 : if (oResultTable->RowCount() == 0)
9902 : {
9903 33 : return nullptr;
9904 : }
9905 60 : if (oResultTable->RowCount() == 10000)
9906 : {
9907 0 : CPLError(CE_Warning, CPLE_AppDefined,
9908 : "Number of rows returned for field domain %s has been "
9909 : "truncated.",
9910 : name.c_str());
9911 : }
9912 :
9913 : // Try to find the field domain data type from fields that implement it
9914 60 : int nFieldType = -1;
9915 60 : OGRFieldSubType eSubType = OFSTNone;
9916 60 : if (HasDataColumnsTable())
9917 : {
9918 55 : char *pszSQL = sqlite3_mprintf(
9919 : "SELECT table_name, column_name FROM gpkg_data_columns WHERE "
9920 : "constraint_name = '%q' LIMIT 10",
9921 : name.c_str());
9922 110 : auto oResultTable2 = SQLQuery(hDB, pszSQL);
9923 55 : sqlite3_free(pszSQL);
9924 55 : if (oResultTable2 && oResultTable2->RowCount() >= 1)
9925 : {
9926 62 : for (int iRecord = 0; iRecord < oResultTable2->RowCount();
9927 : iRecord++)
9928 : {
9929 31 : const char *pszTableName = oResultTable2->GetValue(0, iRecord);
9930 31 : const char *pszColumnName = oResultTable2->GetValue(1, iRecord);
9931 31 : if (pszTableName == nullptr || pszColumnName == nullptr)
9932 0 : continue;
9933 : OGRLayer *poLayer =
9934 62 : const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
9935 31 : pszTableName);
9936 31 : if (poLayer)
9937 : {
9938 31 : const auto poFDefn = poLayer->GetLayerDefn();
9939 31 : int nIdx = poFDefn->GetFieldIndex(pszColumnName);
9940 31 : if (nIdx >= 0)
9941 : {
9942 31 : const auto poFieldDefn = poFDefn->GetFieldDefn(nIdx);
9943 31 : const auto eType = poFieldDefn->GetType();
9944 31 : if (nFieldType < 0)
9945 : {
9946 31 : nFieldType = eType;
9947 31 : eSubType = poFieldDefn->GetSubType();
9948 : }
9949 0 : else if ((eType == OFTInteger64 || eType == OFTReal) &&
9950 : nFieldType == OFTInteger)
9951 : {
9952 : // ok
9953 : }
9954 0 : else if (eType == OFTInteger &&
9955 0 : (nFieldType == OFTInteger64 ||
9956 : nFieldType == OFTReal))
9957 : {
9958 0 : nFieldType = OFTInteger;
9959 0 : eSubType = OFSTNone;
9960 : }
9961 0 : else if (nFieldType != eType)
9962 : {
9963 0 : nFieldType = -1;
9964 0 : eSubType = OFSTNone;
9965 0 : break;
9966 : }
9967 : }
9968 : }
9969 : }
9970 : }
9971 : }
9972 :
9973 60 : std::unique_ptr<OGRFieldDomain> poDomain;
9974 120 : std::vector<OGRCodedValue> asValues;
9975 60 : bool error = false;
9976 120 : CPLString osLastConstraintType;
9977 60 : int nFieldTypeFromEnumCode = -1;
9978 120 : std::string osConstraintDescription;
9979 120 : std::string osDescrConstraintName("_");
9980 60 : osDescrConstraintName += name;
9981 60 : osDescrConstraintName += "_domain_description";
9982 151 : for (int iRecord = 0; iRecord < oResultTable->RowCount(); iRecord++)
9983 : {
9984 95 : const char *pszConstraintType = oResultTable->GetValue(0, iRecord);
9985 95 : if (pszConstraintType == nullptr)
9986 2 : continue;
9987 95 : const char *pszValue = oResultTable->GetValue(1, iRecord);
9988 95 : const char *pszMin = oResultTable->GetValue(2, iRecord);
9989 : const bool bIsMinIncluded =
9990 95 : oResultTable->GetValueAsInteger(3, iRecord) == 1;
9991 95 : const char *pszMax = oResultTable->GetValue(4, iRecord);
9992 : const bool bIsMaxIncluded =
9993 95 : oResultTable->GetValueAsInteger(5, iRecord) == 1;
9994 95 : const char *pszDescription = oResultTable->GetValue(6, iRecord);
9995 95 : const char *pszConstraintName = oResultTable->GetValue(7, iRecord);
9996 :
9997 95 : if (!osLastConstraintType.empty() && osLastConstraintType != "enum")
9998 : {
9999 1 : CPLError(CE_Failure, CPLE_AppDefined,
10000 : "Only constraint of type 'enum' can have multiple rows");
10001 1 : error = true;
10002 4 : break;
10003 : }
10004 :
10005 94 : if (strcmp(pszConstraintType, "enum") == 0)
10006 : {
10007 67 : if (pszValue == nullptr)
10008 : {
10009 1 : CPLError(CE_Failure, CPLE_AppDefined,
10010 : "NULL in 'value' column of enumeration");
10011 1 : error = true;
10012 1 : break;
10013 : }
10014 66 : if (osDescrConstraintName == pszConstraintName)
10015 : {
10016 2 : if (pszDescription)
10017 : {
10018 2 : osConstraintDescription = pszDescription;
10019 : }
10020 2 : continue;
10021 : }
10022 64 : if (asValues.empty())
10023 : {
10024 32 : asValues.reserve(oResultTable->RowCount() + 1);
10025 : }
10026 : OGRCodedValue cv;
10027 : // intended: the 'value' column in GPKG is actually the code
10028 64 : cv.pszCode = VSI_STRDUP_VERBOSE(pszValue);
10029 64 : if (cv.pszCode == nullptr)
10030 : {
10031 0 : error = true;
10032 0 : break;
10033 : }
10034 64 : if (pszDescription)
10035 : {
10036 50 : cv.pszValue = VSI_STRDUP_VERBOSE(pszDescription);
10037 50 : if (cv.pszValue == nullptr)
10038 : {
10039 0 : VSIFree(cv.pszCode);
10040 0 : error = true;
10041 0 : break;
10042 : }
10043 : }
10044 : else
10045 : {
10046 14 : cv.pszValue = nullptr;
10047 : }
10048 :
10049 : // If we can't get the data type from field definition, guess it
10050 : // from code.
10051 64 : if (nFieldType < 0 && nFieldTypeFromEnumCode != OFTString)
10052 : {
10053 36 : switch (CPLGetValueType(cv.pszCode))
10054 : {
10055 26 : case CPL_VALUE_INTEGER:
10056 : {
10057 26 : if (nFieldTypeFromEnumCode != OFTReal &&
10058 : nFieldTypeFromEnumCode != OFTInteger64)
10059 : {
10060 18 : const auto nVal = CPLAtoGIntBig(cv.pszCode);
10061 34 : if (nVal < std::numeric_limits<int>::min() ||
10062 16 : nVal > std::numeric_limits<int>::max())
10063 : {
10064 6 : nFieldTypeFromEnumCode = OFTInteger64;
10065 : }
10066 : else
10067 : {
10068 12 : nFieldTypeFromEnumCode = OFTInteger;
10069 : }
10070 : }
10071 26 : break;
10072 : }
10073 :
10074 6 : case CPL_VALUE_REAL:
10075 6 : nFieldTypeFromEnumCode = OFTReal;
10076 6 : break;
10077 :
10078 4 : case CPL_VALUE_STRING:
10079 4 : nFieldTypeFromEnumCode = OFTString;
10080 4 : break;
10081 : }
10082 : }
10083 :
10084 64 : asValues.emplace_back(cv);
10085 : }
10086 27 : else if (strcmp(pszConstraintType, "range") == 0)
10087 : {
10088 : OGRField sMin;
10089 : OGRField sMax;
10090 20 : OGR_RawField_SetUnset(&sMin);
10091 20 : OGR_RawField_SetUnset(&sMax);
10092 20 : if (nFieldType != OFTInteger && nFieldType != OFTInteger64)
10093 11 : nFieldType = OFTReal;
10094 39 : if (pszMin != nullptr &&
10095 19 : CPLAtof(pszMin) != -std::numeric_limits<double>::infinity())
10096 : {
10097 15 : if (nFieldType == OFTInteger)
10098 6 : sMin.Integer = atoi(pszMin);
10099 9 : else if (nFieldType == OFTInteger64)
10100 3 : sMin.Integer64 = CPLAtoGIntBig(pszMin);
10101 : else /* if( nFieldType == OFTReal ) */
10102 6 : sMin.Real = CPLAtof(pszMin);
10103 : }
10104 39 : if (pszMax != nullptr &&
10105 19 : CPLAtof(pszMax) != std::numeric_limits<double>::infinity())
10106 : {
10107 15 : if (nFieldType == OFTInteger)
10108 6 : sMax.Integer = atoi(pszMax);
10109 9 : else if (nFieldType == OFTInteger64)
10110 3 : sMax.Integer64 = CPLAtoGIntBig(pszMax);
10111 : else /* if( nFieldType == OFTReal ) */
10112 6 : sMax.Real = CPLAtof(pszMax);
10113 : }
10114 20 : poDomain = std::make_unique<OGRRangeFieldDomain>(
10115 20 : name, pszDescription ? pszDescription : "",
10116 40 : static_cast<OGRFieldType>(nFieldType), eSubType, sMin,
10117 20 : bIsMinIncluded, sMax, bIsMaxIncluded);
10118 : }
10119 7 : else if (strcmp(pszConstraintType, "glob") == 0)
10120 : {
10121 6 : if (pszValue == nullptr)
10122 : {
10123 1 : CPLError(CE_Failure, CPLE_AppDefined,
10124 : "NULL in 'value' column of glob");
10125 1 : error = true;
10126 1 : break;
10127 : }
10128 5 : if (nFieldType < 0)
10129 1 : nFieldType = OFTString;
10130 5 : poDomain = std::make_unique<OGRGlobFieldDomain>(
10131 5 : name, pszDescription ? pszDescription : "",
10132 15 : static_cast<OGRFieldType>(nFieldType), eSubType, pszValue);
10133 : }
10134 : else
10135 : {
10136 1 : CPLError(CE_Failure, CPLE_AppDefined,
10137 : "Unhandled constraint_type: %s", pszConstraintType);
10138 1 : error = true;
10139 1 : break;
10140 : }
10141 :
10142 89 : osLastConstraintType = pszConstraintType;
10143 : }
10144 :
10145 60 : if (!asValues.empty())
10146 : {
10147 32 : if (nFieldType < 0)
10148 18 : nFieldType = nFieldTypeFromEnumCode;
10149 32 : poDomain = std::make_unique<OGRCodedFieldDomain>(
10150 : name, osConstraintDescription,
10151 64 : static_cast<OGRFieldType>(nFieldType), eSubType,
10152 64 : std::move(asValues));
10153 : }
10154 :
10155 60 : if (error)
10156 : {
10157 4 : return nullptr;
10158 : }
10159 :
10160 56 : m_oMapFieldDomains[name] = std::move(poDomain);
10161 56 : return GDALDataset::GetFieldDomain(name);
10162 : }
10163 :
10164 : /************************************************************************/
10165 : /* AddFieldDomain() */
10166 : /************************************************************************/
10167 :
10168 19 : bool GDALGeoPackageDataset::AddFieldDomain(
10169 : std::unique_ptr<OGRFieldDomain> &&domain, std::string &failureReason)
10170 : {
10171 38 : const std::string domainName(domain->GetName());
10172 19 : if (!GetUpdate())
10173 : {
10174 0 : CPLError(CE_Failure, CPLE_NotSupported,
10175 : "AddFieldDomain() not supported on read-only dataset");
10176 0 : return false;
10177 : }
10178 19 : if (GetFieldDomain(domainName) != nullptr)
10179 : {
10180 1 : failureReason = "A domain of identical name already exists";
10181 1 : return false;
10182 : }
10183 18 : if (!CreateColumnsTableAndColumnConstraintsTablesIfNecessary())
10184 0 : return false;
10185 :
10186 18 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
10187 18 : const char *min_is_inclusive =
10188 18 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
10189 18 : const char *max_is_inclusive =
10190 18 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
10191 :
10192 18 : const auto &osDescription = domain->GetDescription();
10193 18 : switch (domain->GetDomainType())
10194 : {
10195 11 : case OFDT_CODED:
10196 : {
10197 : const auto poCodedDomain =
10198 11 : cpl::down_cast<const OGRCodedFieldDomain *>(domain.get());
10199 11 : if (!osDescription.empty())
10200 : {
10201 : // We use a little trick by using a dummy
10202 : // _{domainname}_domain_description enum that has a single
10203 : // entry whose description is the description of the main
10204 : // domain.
10205 1 : char *pszSQL = sqlite3_mprintf(
10206 : "INSERT INTO gpkg_data_column_constraints ("
10207 : "constraint_name, constraint_type, value, "
10208 : "min, %s, max, %s, "
10209 : "description) VALUES ("
10210 : "'_%q_domain_description', 'enum', '', NULL, NULL, NULL, "
10211 : "NULL, %Q)",
10212 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10213 : osDescription.c_str());
10214 1 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
10215 1 : sqlite3_free(pszSQL);
10216 : }
10217 11 : const auto &enumeration = poCodedDomain->GetEnumeration();
10218 33 : for (int i = 0; enumeration[i].pszCode != nullptr; ++i)
10219 : {
10220 22 : char *pszSQL = sqlite3_mprintf(
10221 : "INSERT INTO gpkg_data_column_constraints ("
10222 : "constraint_name, constraint_type, value, "
10223 : "min, %s, max, %s, "
10224 : "description) VALUES ("
10225 : "'%q', 'enum', '%q', NULL, NULL, NULL, NULL, %Q)",
10226 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10227 22 : enumeration[i].pszCode, enumeration[i].pszValue);
10228 22 : bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10229 22 : sqlite3_free(pszSQL);
10230 22 : if (!ok)
10231 0 : return false;
10232 : }
10233 11 : break;
10234 : }
10235 :
10236 6 : case OFDT_RANGE:
10237 : {
10238 : const auto poRangeDomain =
10239 6 : cpl::down_cast<const OGRRangeFieldDomain *>(domain.get());
10240 6 : const auto eFieldType = poRangeDomain->GetFieldType();
10241 6 : if (eFieldType != OFTInteger && eFieldType != OFTInteger64 &&
10242 : eFieldType != OFTReal)
10243 : {
10244 : failureReason = "Only range domains of numeric type are "
10245 0 : "supported in GeoPackage";
10246 0 : return false;
10247 : }
10248 :
10249 6 : double dfMin = -std::numeric_limits<double>::infinity();
10250 6 : double dfMax = std::numeric_limits<double>::infinity();
10251 6 : bool bMinIsInclusive = true;
10252 6 : const auto &sMin = poRangeDomain->GetMin(bMinIsInclusive);
10253 6 : bool bMaxIsInclusive = true;
10254 6 : const auto &sMax = poRangeDomain->GetMax(bMaxIsInclusive);
10255 6 : if (eFieldType == OFTInteger)
10256 : {
10257 2 : if (!OGR_RawField_IsUnset(&sMin))
10258 2 : dfMin = sMin.Integer;
10259 2 : if (!OGR_RawField_IsUnset(&sMax))
10260 2 : dfMax = sMax.Integer;
10261 : }
10262 4 : else if (eFieldType == OFTInteger64)
10263 : {
10264 1 : if (!OGR_RawField_IsUnset(&sMin))
10265 1 : dfMin = static_cast<double>(sMin.Integer64);
10266 1 : if (!OGR_RawField_IsUnset(&sMax))
10267 1 : dfMax = static_cast<double>(sMax.Integer64);
10268 : }
10269 : else /* if( eFieldType == OFTReal ) */
10270 : {
10271 3 : if (!OGR_RawField_IsUnset(&sMin))
10272 3 : dfMin = sMin.Real;
10273 3 : if (!OGR_RawField_IsUnset(&sMax))
10274 3 : dfMax = sMax.Real;
10275 : }
10276 :
10277 6 : sqlite3_stmt *hInsertStmt = nullptr;
10278 : const char *pszSQL =
10279 6 : CPLSPrintf("INSERT INTO gpkg_data_column_constraints ("
10280 : "constraint_name, constraint_type, value, "
10281 : "min, %s, max, %s, "
10282 : "description) VALUES ("
10283 : "?, 'range', NULL, ?, ?, ?, ?, ?)",
10284 : min_is_inclusive, max_is_inclusive);
10285 6 : if (SQLPrepareWithError(hDB, pszSQL, -1, &hInsertStmt, nullptr) !=
10286 : SQLITE_OK)
10287 : {
10288 0 : return false;
10289 : }
10290 6 : sqlite3_bind_text(hInsertStmt, 1, domainName.c_str(),
10291 6 : static_cast<int>(domainName.size()),
10292 : SQLITE_TRANSIENT);
10293 6 : sqlite3_bind_double(hInsertStmt, 2, dfMin);
10294 6 : sqlite3_bind_int(hInsertStmt, 3, bMinIsInclusive ? 1 : 0);
10295 6 : sqlite3_bind_double(hInsertStmt, 4, dfMax);
10296 6 : sqlite3_bind_int(hInsertStmt, 5, bMaxIsInclusive ? 1 : 0);
10297 6 : if (osDescription.empty())
10298 : {
10299 3 : sqlite3_bind_null(hInsertStmt, 6);
10300 : }
10301 : else
10302 : {
10303 3 : sqlite3_bind_text(hInsertStmt, 6, osDescription.c_str(),
10304 3 : static_cast<int>(osDescription.size()),
10305 : SQLITE_TRANSIENT);
10306 : }
10307 6 : const int sqlite_err = sqlite3_step(hInsertStmt);
10308 6 : sqlite3_finalize(hInsertStmt);
10309 6 : if (sqlite_err != SQLITE_OK && sqlite_err != SQLITE_DONE)
10310 : {
10311 0 : CPLError(CE_Failure, CPLE_AppDefined,
10312 : "failed to execute insertion '%s': %s", pszSQL,
10313 : sqlite3_errmsg(hDB));
10314 0 : return false;
10315 : }
10316 :
10317 6 : break;
10318 : }
10319 :
10320 1 : case OFDT_GLOB:
10321 : {
10322 : const auto poGlobDomain =
10323 1 : cpl::down_cast<const OGRGlobFieldDomain *>(domain.get());
10324 2 : char *pszSQL = sqlite3_mprintf(
10325 : "INSERT INTO gpkg_data_column_constraints ("
10326 : "constraint_name, constraint_type, value, "
10327 : "min, %s, max, %s, "
10328 : "description) VALUES ("
10329 : "'%q', 'glob', '%q', NULL, NULL, NULL, NULL, %Q)",
10330 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10331 1 : poGlobDomain->GetGlob().c_str(),
10332 2 : osDescription.empty() ? nullptr : osDescription.c_str());
10333 1 : bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10334 1 : sqlite3_free(pszSQL);
10335 1 : if (!ok)
10336 0 : return false;
10337 :
10338 1 : break;
10339 : }
10340 : }
10341 :
10342 18 : m_oMapFieldDomains[domainName] = std::move(domain);
10343 18 : return true;
10344 : }
10345 :
10346 : /************************************************************************/
10347 : /* UpdateFieldDomain() */
10348 : /************************************************************************/
10349 :
10350 3 : bool GDALGeoPackageDataset::UpdateFieldDomain(
10351 : std::unique_ptr<OGRFieldDomain> &&domain, std::string &failureReason)
10352 : {
10353 6 : const std::string domainName(domain->GetName());
10354 3 : if (eAccess != GA_Update)
10355 : {
10356 1 : CPLError(CE_Failure, CPLE_NotSupported,
10357 : "UpdateFieldDomain() not supported on read-only dataset");
10358 1 : return false;
10359 : }
10360 :
10361 2 : if (GetFieldDomain(domainName) == nullptr)
10362 : {
10363 1 : failureReason = "The domain should already exist to be updated";
10364 1 : return false;
10365 : }
10366 :
10367 1 : bool bRet = SoftStartTransaction() == OGRERR_NONE;
10368 1 : if (bRet)
10369 : {
10370 2 : bRet = DeleteFieldDomain(domainName, failureReason) &&
10371 1 : AddFieldDomain(std::move(domain), failureReason);
10372 1 : if (bRet)
10373 1 : bRet = SoftCommitTransaction() == OGRERR_NONE;
10374 : else
10375 0 : SoftRollbackTransaction();
10376 : }
10377 1 : return bRet;
10378 : }
10379 :
10380 : /************************************************************************/
10381 : /* DeleteFieldDomain() */
10382 : /************************************************************************/
10383 :
10384 18 : bool GDALGeoPackageDataset::DeleteFieldDomain(const std::string &name,
10385 : std::string &failureReason)
10386 : {
10387 18 : if (eAccess != GA_Update)
10388 : {
10389 1 : CPLError(CE_Failure, CPLE_NotSupported,
10390 : "DeleteFieldDomain() not supported on read-only dataset");
10391 1 : return false;
10392 : }
10393 17 : if (GetFieldDomain(name) == nullptr)
10394 : {
10395 1 : failureReason = "Domain does not exist";
10396 1 : return false;
10397 : }
10398 :
10399 : char *pszSQL =
10400 16 : sqlite3_mprintf("DELETE FROM gpkg_data_column_constraints WHERE "
10401 : "constraint_name IN ('%q', '_%q_domain_description')",
10402 : name.c_str(), name.c_str());
10403 16 : const bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10404 16 : sqlite3_free(pszSQL);
10405 16 : if (ok)
10406 16 : m_oMapFieldDomains.erase(name);
10407 16 : return ok;
10408 : }
10409 :
10410 : /************************************************************************/
10411 : /* AddRelationship() */
10412 : /************************************************************************/
10413 :
10414 26 : bool GDALGeoPackageDataset::AddRelationship(
10415 : std::unique_ptr<GDALRelationship> &&relationship,
10416 : std::string &failureReason)
10417 : {
10418 26 : if (!GetUpdate())
10419 : {
10420 0 : CPLError(CE_Failure, CPLE_NotSupported,
10421 : "AddRelationship() not supported on read-only dataset");
10422 0 : return false;
10423 : }
10424 :
10425 : const std::string osRelationshipName = GenerateNameForRelationship(
10426 26 : relationship->GetLeftTableName().c_str(),
10427 26 : relationship->GetRightTableName().c_str(),
10428 104 : relationship->GetRelatedTableType().c_str());
10429 : // sanity checks
10430 26 : if (GetRelationship(osRelationshipName) != nullptr)
10431 : {
10432 1 : failureReason = "A relationship of identical name already exists";
10433 1 : return false;
10434 : }
10435 :
10436 25 : if (!ValidateRelationship(relationship.get(), failureReason))
10437 : {
10438 14 : return false;
10439 : }
10440 :
10441 75 : for (auto &poLayer : m_apoLayers)
10442 : {
10443 64 : if (poLayer->SyncToDisk() != OGRERR_NONE)
10444 0 : return false;
10445 : }
10446 :
10447 11 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
10448 : {
10449 0 : return false;
10450 : }
10451 11 : if (!CreateRelationsTableIfNecessary())
10452 : {
10453 0 : failureReason = "Could not create gpkgext_relations table";
10454 0 : return false;
10455 : }
10456 11 : if (SQLGetInteger(GetDB(),
10457 : "SELECT 1 FROM gpkg_extensions WHERE "
10458 : "table_name = 'gpkgext_relations'",
10459 11 : nullptr) != 1)
10460 : {
10461 5 : if (OGRERR_NONE !=
10462 5 : SQLCommand(
10463 : GetDB(),
10464 : "INSERT INTO gpkg_extensions "
10465 : "(table_name,column_name,extension_name,definition,scope) "
10466 : "VALUES ('gpkgext_relations', NULL, 'gpkg_related_tables', "
10467 : "'http://www.geopackage.org/18-000.html', "
10468 : "'read-write')"))
10469 : {
10470 : failureReason =
10471 0 : "Could not create gpkg_extensions entry for gpkgext_relations";
10472 0 : return false;
10473 : }
10474 : }
10475 :
10476 11 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10477 11 : const std::string &osRightTableName = relationship->GetRightTableName();
10478 11 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10479 11 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10480 :
10481 22 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10482 11 : if (osRelatedTableType.empty())
10483 : {
10484 5 : osRelatedTableType = "features";
10485 : }
10486 :
10487 : // generate mapping table if not set
10488 22 : CPLString osMappingTableName = relationship->GetMappingTableName();
10489 11 : if (osMappingTableName.empty())
10490 : {
10491 5 : int nIndex = 1;
10492 5 : osMappingTableName = osLeftTableName + "_" + osRightTableName;
10493 5 : while (FindLayerIndex(osMappingTableName.c_str()) >= 0)
10494 : {
10495 0 : nIndex += 1;
10496 : osMappingTableName.Printf("%s_%s_%d", osLeftTableName.c_str(),
10497 0 : osRightTableName.c_str(), nIndex);
10498 : }
10499 :
10500 : // determine whether base/related keys are unique
10501 5 : bool bBaseKeyIsUnique = false;
10502 : {
10503 : const std::set<std::string> uniqueBaseFieldsUC =
10504 : SQLGetUniqueFieldUCConstraints(GetDB(),
10505 10 : osLeftTableName.c_str());
10506 10 : if (uniqueBaseFieldsUC.find(
10507 5 : CPLString(aosLeftTableFields[0]).toupper()) !=
10508 10 : uniqueBaseFieldsUC.end())
10509 : {
10510 2 : bBaseKeyIsUnique = true;
10511 : }
10512 : }
10513 5 : bool bRelatedKeyIsUnique = false;
10514 : {
10515 : const std::set<std::string> uniqueRelatedFieldsUC =
10516 : SQLGetUniqueFieldUCConstraints(GetDB(),
10517 10 : osRightTableName.c_str());
10518 10 : if (uniqueRelatedFieldsUC.find(
10519 5 : CPLString(aosRightTableFields[0]).toupper()) !=
10520 10 : uniqueRelatedFieldsUC.end())
10521 : {
10522 2 : bRelatedKeyIsUnique = true;
10523 : }
10524 : }
10525 :
10526 : // create mapping table
10527 :
10528 5 : std::string osBaseIdDefinition = "base_id INTEGER";
10529 5 : if (bBaseKeyIsUnique)
10530 : {
10531 2 : char *pszSQL = sqlite3_mprintf(
10532 : " CONSTRAINT 'fk_base_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10533 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10534 : "DEFERRED",
10535 : osMappingTableName.c_str(), osLeftTableName.c_str(),
10536 2 : aosLeftTableFields[0].c_str());
10537 2 : osBaseIdDefinition += pszSQL;
10538 2 : sqlite3_free(pszSQL);
10539 : }
10540 :
10541 5 : std::string osRelatedIdDefinition = "related_id INTEGER";
10542 5 : if (bRelatedKeyIsUnique)
10543 : {
10544 2 : char *pszSQL = sqlite3_mprintf(
10545 : " CONSTRAINT 'fk_related_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10546 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10547 : "DEFERRED",
10548 : osMappingTableName.c_str(), osRightTableName.c_str(),
10549 2 : aosRightTableFields[0].c_str());
10550 2 : osRelatedIdDefinition += pszSQL;
10551 2 : sqlite3_free(pszSQL);
10552 : }
10553 :
10554 5 : char *pszSQL = sqlite3_mprintf("CREATE TABLE \"%w\" ("
10555 : "id INTEGER PRIMARY KEY AUTOINCREMENT, "
10556 : "%s, %s);",
10557 : osMappingTableName.c_str(),
10558 : osBaseIdDefinition.c_str(),
10559 : osRelatedIdDefinition.c_str());
10560 5 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10561 5 : sqlite3_free(pszSQL);
10562 5 : if (eErr != OGRERR_NONE)
10563 : {
10564 : failureReason =
10565 0 : ("Could not create mapping table " + osMappingTableName)
10566 0 : .c_str();
10567 0 : return false;
10568 : }
10569 :
10570 : /*
10571 : * Strictly speaking we should NOT be inserting the mapping table into gpkg_contents.
10572 : * The related tables extension explicitly states that the mapping table should only be
10573 : * in the gpkgext_relations table and not in gpkg_contents. (See also discussion at
10574 : * https://github.com/opengeospatial/geopackage/issues/679).
10575 : *
10576 : * However, if we don't insert the mapping table into gpkg_contents then it is no longer
10577 : * visible to some clients (eg ESRI software only allows opening tables that are present
10578 : * in gpkg_contents). So we'll do this anyway, for maximum compatibility and flexibility.
10579 : *
10580 : * More related discussion is at https://github.com/OSGeo/gdal/pull/9258
10581 : */
10582 5 : pszSQL = sqlite3_mprintf(
10583 : "INSERT INTO gpkg_contents "
10584 : "(table_name,data_type,identifier,description,last_change,srs_id) "
10585 : "VALUES "
10586 : "('%q','attributes','%q','Mapping table for relationship between "
10587 : "%q and %q',%s,0)",
10588 : osMappingTableName.c_str(), /*table_name*/
10589 : osMappingTableName.c_str(), /*identifier*/
10590 : osLeftTableName.c_str(), /*description left table name*/
10591 : osRightTableName.c_str(), /*description right table name*/
10592 10 : GDALGeoPackageDataset::GetCurrentDateEscapedSQL().c_str());
10593 :
10594 : // Note -- we explicitly ignore failures here, because hey, we aren't really
10595 : // supposed to be adding this table to gpkg_contents anyway!
10596 5 : (void)SQLCommand(hDB, pszSQL);
10597 5 : sqlite3_free(pszSQL);
10598 :
10599 5 : pszSQL = sqlite3_mprintf(
10600 : "CREATE INDEX \"idx_%w_base_id\" ON \"%w\" (base_id);",
10601 : osMappingTableName.c_str(), osMappingTableName.c_str());
10602 5 : eErr = SQLCommand(hDB, pszSQL);
10603 5 : sqlite3_free(pszSQL);
10604 5 : if (eErr != OGRERR_NONE)
10605 : {
10606 0 : failureReason = ("Could not create index for " +
10607 0 : osMappingTableName + " (base_id)")
10608 0 : .c_str();
10609 0 : return false;
10610 : }
10611 :
10612 5 : pszSQL = sqlite3_mprintf(
10613 : "CREATE INDEX \"idx_%qw_related_id\" ON \"%w\" (related_id);",
10614 : osMappingTableName.c_str(), osMappingTableName.c_str());
10615 5 : eErr = SQLCommand(hDB, pszSQL);
10616 5 : sqlite3_free(pszSQL);
10617 5 : if (eErr != OGRERR_NONE)
10618 : {
10619 0 : failureReason = ("Could not create index for " +
10620 0 : osMappingTableName + " (related_id)")
10621 0 : .c_str();
10622 0 : return false;
10623 : }
10624 :
10625 : auto poLayer = std::make_unique<OGRGeoPackageTableLayer>(
10626 10 : this, osMappingTableName.c_str());
10627 5 : poLayer->SetOpeningParameters(osMappingTableName.c_str(), "table",
10628 : /* bIsInGpkgContents = */ true,
10629 : /* bIsSpatial = */ false,
10630 : /* pszGeomColName =*/nullptr,
10631 : /* pszGeomType =*/nullptr,
10632 : /* bHasZ = */ false, /* bHasM = */ false);
10633 5 : m_apoLayers.push_back(std::move(poLayer));
10634 : }
10635 : else
10636 : {
10637 : // validate mapping table structure
10638 6 : if (OGRGeoPackageTableLayer *poLayer =
10639 6 : cpl::down_cast<OGRGeoPackageTableLayer *>(
10640 6 : GetLayerByName(osMappingTableName)))
10641 : {
10642 4 : if (poLayer->GetLayerDefn()->GetFieldIndex("base_id") < 0)
10643 : {
10644 : failureReason =
10645 2 : ("Field base_id must exist in " + osMappingTableName)
10646 1 : .c_str();
10647 1 : return false;
10648 : }
10649 3 : if (poLayer->GetLayerDefn()->GetFieldIndex("related_id") < 0)
10650 : {
10651 : failureReason =
10652 2 : ("Field related_id must exist in " + osMappingTableName)
10653 1 : .c_str();
10654 1 : return false;
10655 : }
10656 : }
10657 : else
10658 : {
10659 : failureReason =
10660 2 : ("Could not retrieve table " + osMappingTableName).c_str();
10661 2 : return false;
10662 : }
10663 : }
10664 :
10665 7 : char *pszSQL = sqlite3_mprintf(
10666 : "INSERT INTO gpkg_extensions "
10667 : "(table_name,column_name,extension_name,definition,scope) "
10668 : "VALUES ('%q', NULL, 'gpkg_related_tables', "
10669 : "'http://www.geopackage.org/18-000.html', "
10670 : "'read-write')",
10671 : osMappingTableName.c_str());
10672 7 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10673 7 : sqlite3_free(pszSQL);
10674 7 : if (eErr != OGRERR_NONE)
10675 : {
10676 0 : failureReason = ("Could not insert mapping table " +
10677 0 : osMappingTableName + " into gpkg_extensions")
10678 0 : .c_str();
10679 0 : return false;
10680 : }
10681 :
10682 21 : pszSQL = sqlite3_mprintf(
10683 : "INSERT INTO gpkgext_relations "
10684 : "(base_table_name,base_primary_column,related_table_name,related_"
10685 : "primary_column,relation_name,mapping_table_name) "
10686 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10687 7 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10688 7 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10689 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10690 7 : eErr = SQLCommand(hDB, pszSQL);
10691 7 : sqlite3_free(pszSQL);
10692 7 : if (eErr != OGRERR_NONE)
10693 : {
10694 0 : failureReason = "Could not insert relationship into gpkgext_relations";
10695 0 : return false;
10696 : }
10697 :
10698 7 : ClearCachedRelationships();
10699 7 : LoadRelationships();
10700 7 : return true;
10701 : }
10702 :
10703 : /************************************************************************/
10704 : /* DeleteRelationship() */
10705 : /************************************************************************/
10706 :
10707 4 : bool GDALGeoPackageDataset::DeleteRelationship(const std::string &name,
10708 : std::string &failureReason)
10709 : {
10710 4 : if (eAccess != GA_Update)
10711 : {
10712 0 : CPLError(CE_Failure, CPLE_NotSupported,
10713 : "DeleteRelationship() not supported on read-only dataset");
10714 0 : return false;
10715 : }
10716 :
10717 : // ensure relationships are up to date before we try to remove one
10718 4 : ClearCachedRelationships();
10719 4 : LoadRelationships();
10720 :
10721 8 : std::string osMappingTableName;
10722 : {
10723 4 : const GDALRelationship *poRelationship = GetRelationship(name);
10724 4 : if (poRelationship == nullptr)
10725 : {
10726 1 : failureReason = "Could not find relationship with name " + name;
10727 1 : return false;
10728 : }
10729 :
10730 3 : osMappingTableName = poRelationship->GetMappingTableName();
10731 : }
10732 :
10733 : // DeleteLayerCommon will delete existing relationship objects, so we can't
10734 : // refer to poRelationship or any of its members previously obtained here
10735 3 : if (DeleteLayerCommon(osMappingTableName.c_str()) != OGRERR_NONE)
10736 : {
10737 : failureReason =
10738 0 : "Could not remove mapping layer name " + osMappingTableName;
10739 :
10740 : // relationships may have been left in an inconsistent state -- reload
10741 : // them now
10742 0 : ClearCachedRelationships();
10743 0 : LoadRelationships();
10744 0 : return false;
10745 : }
10746 :
10747 3 : ClearCachedRelationships();
10748 3 : LoadRelationships();
10749 3 : return true;
10750 : }
10751 :
10752 : /************************************************************************/
10753 : /* UpdateRelationship() */
10754 : /************************************************************************/
10755 :
10756 6 : bool GDALGeoPackageDataset::UpdateRelationship(
10757 : std::unique_ptr<GDALRelationship> &&relationship,
10758 : std::string &failureReason)
10759 : {
10760 6 : if (eAccess != GA_Update)
10761 : {
10762 0 : CPLError(CE_Failure, CPLE_NotSupported,
10763 : "UpdateRelationship() not supported on read-only dataset");
10764 0 : return false;
10765 : }
10766 :
10767 : // ensure relationships are up to date before we try to update one
10768 6 : ClearCachedRelationships();
10769 6 : LoadRelationships();
10770 :
10771 6 : const std::string &osRelationshipName = relationship->GetName();
10772 6 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10773 6 : const std::string &osRightTableName = relationship->GetRightTableName();
10774 6 : const std::string &osMappingTableName = relationship->GetMappingTableName();
10775 6 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10776 6 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10777 :
10778 : // sanity checks
10779 : {
10780 : const GDALRelationship *poExistingRelationship =
10781 6 : GetRelationship(osRelationshipName);
10782 6 : if (poExistingRelationship == nullptr)
10783 : {
10784 : failureReason =
10785 1 : "The relationship should already exist to be updated";
10786 1 : return false;
10787 : }
10788 :
10789 5 : if (!ValidateRelationship(relationship.get(), failureReason))
10790 : {
10791 2 : return false;
10792 : }
10793 :
10794 : // we don't permit changes to the participating tables
10795 3 : if (osLeftTableName != poExistingRelationship->GetLeftTableName())
10796 : {
10797 0 : failureReason = ("Cannot change base table from " +
10798 0 : poExistingRelationship->GetLeftTableName() +
10799 0 : " to " + osLeftTableName)
10800 0 : .c_str();
10801 0 : return false;
10802 : }
10803 3 : if (osRightTableName != poExistingRelationship->GetRightTableName())
10804 : {
10805 0 : failureReason = ("Cannot change related table from " +
10806 0 : poExistingRelationship->GetRightTableName() +
10807 0 : " to " + osRightTableName)
10808 0 : .c_str();
10809 0 : return false;
10810 : }
10811 3 : if (osMappingTableName != poExistingRelationship->GetMappingTableName())
10812 : {
10813 0 : failureReason = ("Cannot change mapping table from " +
10814 0 : poExistingRelationship->GetMappingTableName() +
10815 0 : " to " + osMappingTableName)
10816 0 : .c_str();
10817 0 : return false;
10818 : }
10819 : }
10820 :
10821 6 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10822 3 : if (osRelatedTableType.empty())
10823 : {
10824 0 : osRelatedTableType = "features";
10825 : }
10826 :
10827 3 : char *pszSQL = sqlite3_mprintf(
10828 : "DELETE FROM gpkgext_relations WHERE mapping_table_name='%q'",
10829 : osMappingTableName.c_str());
10830 3 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10831 3 : sqlite3_free(pszSQL);
10832 3 : if (eErr != OGRERR_NONE)
10833 : {
10834 : failureReason =
10835 0 : "Could not delete old relationship from gpkgext_relations";
10836 0 : return false;
10837 : }
10838 :
10839 9 : pszSQL = sqlite3_mprintf(
10840 : "INSERT INTO gpkgext_relations "
10841 : "(base_table_name,base_primary_column,related_table_name,related_"
10842 : "primary_column,relation_name,mapping_table_name) "
10843 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10844 3 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10845 3 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10846 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10847 3 : eErr = SQLCommand(hDB, pszSQL);
10848 3 : sqlite3_free(pszSQL);
10849 3 : if (eErr != OGRERR_NONE)
10850 : {
10851 : failureReason =
10852 0 : "Could not insert updated relationship into gpkgext_relations";
10853 0 : return false;
10854 : }
10855 :
10856 3 : ClearCachedRelationships();
10857 3 : LoadRelationships();
10858 3 : return true;
10859 : }
10860 :
10861 : /************************************************************************/
10862 : /* GetSqliteMasterContent() */
10863 : /************************************************************************/
10864 :
10865 : const std::vector<SQLSqliteMasterContent> &
10866 2 : GDALGeoPackageDataset::GetSqliteMasterContent()
10867 : {
10868 2 : if (m_aoSqliteMasterContent.empty())
10869 : {
10870 : auto oResultTable =
10871 2 : SQLQuery(hDB, "SELECT sql, type, tbl_name FROM sqlite_master");
10872 1 : if (oResultTable)
10873 : {
10874 58 : for (int rowCnt = 0; rowCnt < oResultTable->RowCount(); ++rowCnt)
10875 : {
10876 114 : SQLSqliteMasterContent row;
10877 57 : const char *pszSQL = oResultTable->GetValue(0, rowCnt);
10878 57 : row.osSQL = pszSQL ? pszSQL : "";
10879 57 : const char *pszType = oResultTable->GetValue(1, rowCnt);
10880 57 : row.osType = pszType ? pszType : "";
10881 57 : const char *pszTableName = oResultTable->GetValue(2, rowCnt);
10882 57 : row.osTableName = pszTableName ? pszTableName : "";
10883 57 : m_aoSqliteMasterContent.emplace_back(std::move(row));
10884 : }
10885 : }
10886 : }
10887 2 : return m_aoSqliteMasterContent;
10888 : }
|
