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>
82 573 : GetTilingScheme(const char *pszName)
83 : {
84 573 : if (EQUAL(pszName, "CUSTOM"))
85 445 : 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(nullptr);
144 53 : const char *pszAuthCode = oSRS.GetAuthorityCode(nullptr);
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 1037 : OGRErr GDALGeoPackageDataset::SetApplicationAndUserVersionId()
192 : {
193 1037 : CPLAssert(hDB != nullptr);
194 :
195 1037 : const CPLString osPragma(CPLString().Printf("PRAGMA application_id = %u;"
196 : "PRAGMA user_version = %u",
197 : m_nApplicationId,
198 2074 : m_nUserVersion));
199 2074 : return SQLCommand(hDB, osPragma.c_str());
200 : }
201 :
202 2794 : bool GDALGeoPackageDataset::CloseDB()
203 : {
204 2794 : OGRSQLiteUnregisterSQLFunctions(m_pSQLFunctionData);
205 2794 : m_pSQLFunctionData = nullptr;
206 2794 : 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 :
222 934 : static OGRErr GDALGPKGImportFromEPSG(OGRSpatialReference *poSpatialRef,
223 : int nEPSGCode)
224 : {
225 934 : CPLPushErrorHandler(CPLQuietErrorHandler);
226 934 : const OGRErr eErr = poSpatialRef->importFromEPSG(nEPSGCode);
227 934 : CPLPopErrorHandler();
228 934 : CPLErrorReset();
229 934 : return eErr;
230 : }
231 :
232 : OGRSpatialReferenceRefCountedPtr
233 1364 : GDALGeoPackageDataset::GetSpatialRef(int iSrsId, bool bFallbackToEPSG,
234 : bool bEmitErrorIfNotFound)
235 : {
236 1364 : const auto oIter = m_oMapSrsIdToSrs.find(iSrsId);
237 1364 : if (oIter != m_oMapSrsIdToSrs.end())
238 : {
239 103 : return oIter->second;
240 : }
241 :
242 1261 : if (iSrsId == 0 || iSrsId == -1)
243 : {
244 120 : auto poSpatialRef = OGRSpatialReferenceRefCountedPtr::makeInstance();
245 120 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
246 :
247 : // See corresponding tests in GDALGeoPackageDataset::GetSrsId
248 120 : if (iSrsId == 0)
249 : {
250 30 : 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 :
260 240 : return m_oMapSrsIdToSrs.insert({iSrsId, std::move(poSpatialRef)})
261 120 : .first->second;
262 : }
263 :
264 2282 : CPLString oSQL;
265 1141 : 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 1141 : m_bHasDefinition12_063 ? ", definition_12_063" : "",
270 1141 : m_bHasEpochColumn ? ", epoch" : "", iSrsId);
271 :
272 2282 : auto oResult = SQLQuery(hDB, oSQL.c_str());
273 :
274 1141 : 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 1129 : const char *pszName = oResult->GetValue(0, 0);
299 1129 : if (pszName && EQUAL(pszName, "Undefined SRS"))
300 : {
301 459 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
302 459 : return nullptr;
303 : }
304 670 : const char *pszWkt = oResult->GetValue(1, 0);
305 670 : if (pszWkt == nullptr)
306 0 : return nullptr;
307 670 : const char *pszOrganization = oResult->GetValue(2, 0);
308 670 : const char *pszOrganizationCoordsysID = oResult->GetValue(3, 0);
309 : const char *pszWkt2 =
310 670 : m_bHasDefinition12_063 ? oResult->GetValue(4, 0) : nullptr;
311 670 : if (pszWkt2 && !EQUAL(pszWkt2, "undefined"))
312 76 : pszWkt = pszWkt2;
313 : const char *pszCoordinateEpoch =
314 670 : m_bHasEpochColumn ? oResult->GetValue(5, 0) : nullptr;
315 : const double dfCoordinateEpoch =
316 670 : pszCoordinateEpoch ? CPLAtof(pszCoordinateEpoch) : 0.0;
317 :
318 1340 : auto poSpatialRef = OGRSpatialReferenceRefCountedPtr::makeInstance();
319 670 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
320 : // Try to import first from EPSG code, and then from WKT
321 670 : if (!(pszOrganization && pszOrganizationCoordsysID &&
322 670 : EQUAL(pszOrganization, "EPSG") &&
323 646 : (atoi(pszOrganizationCoordsysID) == iSrsId ||
324 4 : (dfCoordinateEpoch > 0 && strstr(pszWkt, "DYNAMIC[") == nullptr)) &&
325 646 : GDALGPKGImportFromEPSG(poSpatialRef.get(),
326 : atoi(pszOrganizationCoordsysID)) ==
327 1340 : 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 :
337 670 : poSpatialRef->StripTOWGS84IfKnownDatumAndAllowed();
338 670 : poSpatialRef->SetCoordinateEpoch(dfCoordinateEpoch);
339 1340 : return m_oMapSrsIdToSrs.insert({iSrsId, std::move(poSpatialRef)})
340 670 : .first->second;
341 : }
342 :
343 319 : const char *GDALGeoPackageDataset::GetSrsName(const OGRSpatialReference &oSRS)
344 : {
345 319 : const char *pszName = oSRS.GetName();
346 319 : if (pszName)
347 319 : 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 1014 : int GDALGeoPackageDataset::GetSrsId(const OGRSpatialReference *poSRSIn)
520 : {
521 1014 : const char *pszName = poSRSIn ? poSRSIn->GetName() : nullptr;
522 1483 : if (!poSRSIn || poSRSIn->IsEmpty() ||
523 469 : (pszName && EQUAL(pszName, "Undefined SRS")))
524 : {
525 547 : OGRErr err = OGRERR_NONE;
526 547 : 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);
531 547 : 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)
542 487 : 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 */
563 486 : 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 : }
575 487 : if (SQLCommand(hDB, pszSQL) == OGRERR_NONE)
576 487 : return UNDEFINED_CRS_SRS_ID;
577 : #undef UNDEFINED_CRS_SRS_ID
578 : #undef XSTRINGIFY
579 : #undef STRINGIFY
580 0 : return -1;
581 : }
582 :
583 934 : auto poSRS = OGRSpatialReferenceRefCountedPtr::makeClone(poSRSIn);
584 467 : if (poSRS->IsGeographic() || poSRS->IsLocal())
585 : {
586 : // See corresponding tests in GDALGeoPackageDataset::GetSpatialRef
587 166 : if (pszName != nullptr && strlen(pszName) > 0)
588 : {
589 166 : if (EQUAL(pszName, "Undefined geographic SRS"))
590 2 : return 0;
591 :
592 164 : if (EQUAL(pszName, "Undefined Cartesian SRS"))
593 1 : return -1;
594 : }
595 : }
596 :
597 464 : const char *pszAuthorityName = poSRS->GetAuthorityName(nullptr);
598 :
599 464 : 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(nullptr);
605 28 : if (pszAuthorityName != nullptr && EQUAL(pszAuthorityName, "EPSG"))
606 : {
607 0 : const char *pszAuthorityCode = poSRS->GetAuthorityCode(nullptr);
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(nullptr);
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.
622 464 : char *pszSQL = nullptr;
623 464 : int nSRSId = DEFAULT_SRID;
624 464 : int nAuthorityCode = 0;
625 464 : OGRErr err = OGRERR_NONE;
626 464 : bool bCanUseAuthorityCode = false;
627 464 : const char *const apszIsSameOptions[] = {
628 : "IGNORE_DATA_AXIS_TO_SRS_AXIS_MAPPING=YES",
629 : "IGNORE_COORDINATE_EPOCH=YES", nullptr};
630 464 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0)
631 : {
632 436 : const char *pszAuthorityCode = poSRS->GetAuthorityCode(nullptr);
633 436 : if (pszAuthorityCode)
634 : {
635 436 : if (CPLGetValueType(pszAuthorityCode) == CPL_VALUE_INTEGER)
636 : {
637 436 : 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 :
651 900 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
652 436 : poSRSIn->GetCoordinateEpoch() == 0)
653 : {
654 : pszSQL =
655 431 : 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 :
660 431 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
661 431 : sqlite3_free(pszSQL);
662 :
663 : // Got a match? Return it!
664 431 : if (OGRERR_NONE == err)
665 : {
666 141 : auto poRefSRS = GetSpatialRef(nSRSId);
667 : bool bOK =
668 141 : (poRefSRS == nullptr ||
669 142 : poSRS->IsSame(poRefSRS.get(), apszIsSameOptions) ||
670 1 : !CPLTestBool(CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")));
671 141 : if (bOK)
672 : {
673 140 : 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.
690 324 : CPLCharUniquePtr pszWKT1;
691 324 : CPLCharUniquePtr pszWKT2_2015;
692 324 : CPLCharUniquePtr pszWKT2_2019;
693 324 : const char *const apszOptionsWkt1[] = {"FORMAT=WKT1_GDAL", nullptr};
694 324 : const char *const apszOptionsWkt2_2015[] = {"FORMAT=WKT2_2015", nullptr};
695 324 : const char *const apszOptionsWkt2_2019[] = {"FORMAT=WKT2_2019", nullptr};
696 :
697 648 : std::string osEpochTest;
698 324 : if (poSRSIn->GetCoordinateEpoch() > 0 && m_bHasEpochColumn)
699 : {
700 : osEpochTest =
701 3 : CPLSPrintf(" AND epoch = %.17g", poSRSIn->GetCoordinateEpoch());
702 : }
703 :
704 639 : if (!(poSRS->IsGeographic() && poSRS->GetAxesCount() == 3) &&
705 315 : !poSRS->IsDerivedGeographic())
706 : {
707 630 : CPLErrorStateBackuper oBackuper(CPLQuietErrorHandler);
708 315 : char *pszTmp = nullptr;
709 315 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt1);
710 315 : pszWKT1.reset(pszTmp);
711 315 : if (pszWKT1 && pszWKT1.get()[0] == '\0')
712 : {
713 0 : pszWKT1.reset();
714 : }
715 : }
716 : {
717 648 : CPLErrorStateBackuper oBackuper(CPLQuietErrorHandler);
718 324 : char *pszTmp = nullptr;
719 324 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2015);
720 324 : pszWKT2_2015.reset(pszTmp);
721 324 : if (pszWKT2_2015 && pszWKT2_2015.get()[0] == '\0')
722 : {
723 0 : pszWKT2_2015.reset();
724 : }
725 : }
726 : {
727 324 : char *pszTmp = nullptr;
728 324 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2019);
729 324 : pszWKT2_2019.reset(pszTmp);
730 324 : if (pszWKT2_2019 && pszWKT2_2019.get()[0] == '\0')
731 : {
732 0 : pszWKT2_2019.reset();
733 : }
734 : }
735 :
736 324 : if (!pszWKT1 && !pszWKT2_2015 && !pszWKT2_2019)
737 : {
738 0 : return DEFAULT_SRID;
739 : }
740 :
741 324 : if (poSRSIn->GetCoordinateEpoch() == 0 || m_bHasEpochColumn)
742 : {
743 : // Search if there is already an existing entry with this WKT
744 321 : 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 : }
766 279 : else if (pszWKT1)
767 : {
768 : pszSQL =
769 276 : 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 : }
777 321 : if (pszSQL)
778 : {
779 318 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
780 318 : sqlite3_free(pszSQL);
781 318 : if (OGRERR_NONE == err)
782 : {
783 5 : return nSRSId;
784 : }
785 : }
786 : }
787 :
788 612 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
789 293 : poSRSIn->GetCoordinateEpoch() == 0)
790 : {
791 289 : bool bTryToReuseSRSId = true;
792 289 : if (EQUAL(pszAuthorityName, "EPSG"))
793 : {
794 576 : OGRSpatialReference oSRS_EPSG;
795 288 : if (GDALGPKGImportFromEPSG(&oSRS_EPSG, nAuthorityCode) ==
796 : OGRERR_NONE)
797 : {
798 289 : 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 : }
815 289 : if (bTryToReuseSRSId)
816 : {
817 : // No match, but maybe we can use the nAuthorityCode as the nSRSId?
818 288 : pszSQL = sqlite3_mprintf(
819 : "SELECT Count(*) FROM gpkg_spatial_ref_sys WHERE "
820 : "srs_id = %d",
821 : nAuthorityCode);
822 :
823 : // Yep, we can!
824 288 : if (SQLGetInteger(hDB, pszSQL, nullptr) == 0)
825 287 : bCanUseAuthorityCode = true;
826 288 : sqlite3_free(pszSQL);
827 : }
828 : }
829 :
830 319 : bool bConvertGpkgSpatialRefSysToExtensionWkt2 = false;
831 319 : bool bForceEpoch = false;
832 322 : 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
839 319 : 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 :
877 325 : 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
884 319 : if (bCanUseAuthorityCode)
885 : {
886 287 : 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 :
897 638 : std::string osEpochColumn;
898 319 : std::string osEpochVal;
899 319 : 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.
906 319 : 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 : {
942 274 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
943 : {
944 518 : 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')",
948 259 : GetSrsName(*poSRS), nSRSId, pszAuthorityName, nAuthorityCode,
949 518 : 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.
963 319 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
964 :
965 : // Free everything that was allocated.
966 319 : sqlite3_free(pszSQL);
967 :
968 319 : return nSRSId;
969 : }
970 :
971 : /************************************************************************/
972 : /* ~GDALGeoPackageDataset() */
973 : /************************************************************************/
974 :
975 5566 : GDALGeoPackageDataset::~GDALGeoPackageDataset()
976 : {
977 2783 : GDALGeoPackageDataset::Close();
978 5566 : }
979 :
980 : /************************************************************************/
981 : /* Close() */
982 : /************************************************************************/
983 :
984 4703 : CPLErr GDALGeoPackageDataset::Close(GDALProgressFunc, void *)
985 : {
986 4703 : CPLErr eErr = CE_None;
987 4703 : if (nOpenFlags != OPEN_FLAGS_CLOSED)
988 : {
989 1634 : if (eAccess == GA_Update && m_poParentDS == nullptr &&
990 4417 : !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 5555 : if (!IsMarkedSuppressOnClose() &&
999 2772 : 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 4608 : for (int i = 0; i < nBands; i++)
1008 1825 : delete papoBands[i];
1009 2783 : nBands = 0;
1010 2783 : CPLFree(papoBands);
1011 2783 : papoBands = nullptr;
1012 :
1013 : // Destroy overviews before cleaning m_hTempDB as they could still
1014 : // need it
1015 2783 : m_apoOverviewDS.clear();
1016 :
1017 2783 : if (m_poParentDS)
1018 : {
1019 325 : hDB = nullptr;
1020 : }
1021 :
1022 2783 : m_apoLayers.clear();
1023 :
1024 2783 : m_oMapSrsIdToSrs.clear();
1025 :
1026 2783 : if (!CloseDB())
1027 0 : eErr = CE_Failure;
1028 :
1029 2783 : if (OGRSQLiteBaseDataSource::Close() != CE_None)
1030 0 : eErr = CE_Failure;
1031 : }
1032 4703 : 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 4539 : static int GetOGRTableLimit()
1127 : {
1128 4539 : return atoi(CPLGetConfigOption("OGR_TABLE_LIMIT", "10000"));
1129 : }
1130 :
1131 : /************************************************************************/
1132 : /* GetNameTypeMapFromSQliteMaster() */
1133 : /************************************************************************/
1134 :
1135 : const std::map<CPLString, CPLString> &
1136 1414 : GDALGeoPackageDataset::GetNameTypeMapFromSQliteMaster()
1137 : {
1138 1414 : if (!m_oMapNameToType.empty())
1139 378 : return m_oMapNameToType;
1140 :
1141 : CPLString osSQL(
1142 : "SELECT name, type FROM sqlite_master WHERE "
1143 : "type IN ('view', 'table') OR "
1144 2072 : "(name LIKE 'trigger_%_feature_count_%' AND type = 'trigger')");
1145 1036 : const int nTableLimit = GetOGRTableLimit();
1146 1036 : if (nTableLimit > 0)
1147 : {
1148 1036 : osSQL += " LIMIT ";
1149 1036 : osSQL += CPLSPrintf("%d", 1 + 3 * nTableLimit);
1150 : }
1151 :
1152 1036 : auto oResult = SQLQuery(hDB, osSQL);
1153 1036 : if (oResult)
1154 : {
1155 17317 : for (int i = 0; i < oResult->RowCount(); i++)
1156 : {
1157 16281 : const char *pszName = oResult->GetValue(0, i);
1158 16281 : const char *pszType = oResult->GetValue(1, i);
1159 16281 : m_oMapNameToType[CPLString(pszName).toupper()] = pszType;
1160 : }
1161 : }
1162 :
1163 1036 : 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 985 : GDALGeoPackageDataset::GetUnknownExtensionsTableSpecific()
1182 : {
1183 985 : if (m_bMapTableToExtensionsBuilt)
1184 107 : return m_oMapTableToExtensions;
1185 878 : m_bMapTableToExtensionsBuilt = true;
1186 :
1187 878 : 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 1652 : ")");
1210 826 : const int nTableLimit = GetOGRTableLimit();
1211 826 : if (nTableLimit > 0)
1212 : {
1213 826 : osSQL += " LIMIT ";
1214 826 : osSQL += CPLSPrintf("%d", 1 + 10 * nTableLimit);
1215 : }
1216 :
1217 826 : auto oResult = SQLQuery(hDB, osSQL);
1218 826 : if (oResult)
1219 : {
1220 1529 : for (int i = 0; i < oResult->RowCount(); i++)
1221 : {
1222 703 : const char *pszTableName = oResult->GetValue(0, i);
1223 703 : const char *pszExtensionName = oResult->GetValue(1, i);
1224 703 : const char *pszDefinition = oResult->GetValue(2, i);
1225 703 : const char *pszScope = oResult->GetValue(3, i);
1226 703 : if (pszTableName && pszExtensionName && pszDefinition && pszScope)
1227 : {
1228 703 : GPKGExtensionDesc oDesc;
1229 703 : oDesc.osExtensionName = pszExtensionName;
1230 703 : oDesc.osDefinition = pszDefinition;
1231 703 : oDesc.osScope = pszScope;
1232 1406 : m_oMapTableToExtensions[CPLString(pszTableName).toupper()]
1233 703 : .push_back(std::move(oDesc));
1234 : }
1235 : }
1236 : }
1237 :
1238 826 : return m_oMapTableToExtensions;
1239 : }
1240 :
1241 : /************************************************************************/
1242 : /* GetContents() */
1243 : /************************************************************************/
1244 :
1245 : const std::map<CPLString, GPKGContentsDesc> &
1246 966 : GDALGeoPackageDataset::GetContents()
1247 : {
1248 966 : if (m_bMapTableToContentsBuilt)
1249 90 : return m_oMapTableToContents;
1250 876 : m_bMapTableToContentsBuilt = true;
1251 :
1252 : CPLString osSQL("SELECT table_name, data_type, identifier, "
1253 : "description, min_x, min_y, max_x, max_y "
1254 1752 : "FROM gpkg_contents");
1255 876 : const int nTableLimit = GetOGRTableLimit();
1256 876 : if (nTableLimit > 0)
1257 : {
1258 876 : osSQL += " LIMIT ";
1259 876 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1260 : }
1261 :
1262 876 : auto oResult = SQLQuery(hDB, osSQL);
1263 876 : if (oResult)
1264 : {
1265 1899 : for (int i = 0; i < oResult->RowCount(); i++)
1266 : {
1267 1023 : const char *pszTableName = oResult->GetValue(0, i);
1268 1023 : if (pszTableName == nullptr)
1269 0 : continue;
1270 1023 : const char *pszDataType = oResult->GetValue(1, i);
1271 1023 : const char *pszIdentifier = oResult->GetValue(2, i);
1272 1023 : const char *pszDescription = oResult->GetValue(3, i);
1273 1023 : const char *pszMinX = oResult->GetValue(4, i);
1274 1023 : const char *pszMinY = oResult->GetValue(5, i);
1275 1023 : const char *pszMaxX = oResult->GetValue(6, i);
1276 1023 : const char *pszMaxY = oResult->GetValue(7, i);
1277 1023 : GPKGContentsDesc oDesc;
1278 1023 : if (pszDataType)
1279 1023 : oDesc.osDataType = pszDataType;
1280 1023 : if (pszIdentifier)
1281 1023 : oDesc.osIdentifier = pszIdentifier;
1282 1023 : if (pszDescription)
1283 1022 : oDesc.osDescription = pszDescription;
1284 1023 : if (pszMinX)
1285 682 : oDesc.osMinX = pszMinX;
1286 1023 : if (pszMinY)
1287 682 : oDesc.osMinY = pszMinY;
1288 1023 : if (pszMaxX)
1289 682 : oDesc.osMaxX = pszMaxX;
1290 1023 : if (pszMaxY)
1291 682 : oDesc.osMaxY = pszMaxY;
1292 2046 : m_oMapTableToContents[CPLString(pszTableName).toupper()] =
1293 2046 : std::move(oDesc);
1294 : }
1295 : }
1296 :
1297 876 : return m_oMapTableToContents;
1298 : }
1299 :
1300 : /************************************************************************/
1301 : /* Open() */
1302 : /************************************************************************/
1303 :
1304 1393 : int GDALGeoPackageDataset::Open(GDALOpenInfo *poOpenInfo,
1305 : const std::string &osFilenameInZip)
1306 : {
1307 1393 : m_osFilenameInZip = osFilenameInZip;
1308 1393 : CPLAssert(m_apoLayers.empty());
1309 1393 : CPLAssert(hDB == nullptr);
1310 :
1311 1393 : SetDescription(poOpenInfo->pszFilename);
1312 2786 : CPLString osFilename(poOpenInfo->pszFilename);
1313 2786 : CPLString osSubdatasetTableName;
1314 : GByte abyHeaderLetMeHerePlease[100];
1315 1393 : const GByte *pabyHeader = poOpenInfo->pabyHeader;
1316 1393 : if (STARTS_WITH_CI(poOpenInfo->pszFilename, "GPKG:"))
1317 : {
1318 260 : char **papszTokens = CSLTokenizeString2(poOpenInfo->pszFilename, ":",
1319 : CSLT_HONOURSTRINGS);
1320 260 : int nCount = CSLCount(papszTokens);
1321 260 : if (nCount < 2)
1322 : {
1323 0 : CSLDestroy(papszTokens);
1324 0 : return FALSE;
1325 : }
1326 :
1327 260 : if (nCount <= 3)
1328 : {
1329 258 : 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 260 : if (nCount >= 3)
1350 14 : osSubdatasetTableName = papszTokens[nCount - 1];
1351 :
1352 260 : CSLDestroy(papszTokens);
1353 260 : VSILFILE *fp = VSIFOpenL(osFilename, "rb");
1354 260 : if (fp != nullptr)
1355 : {
1356 260 : VSIFReadL(abyHeaderLetMeHerePlease, 1, 100, fp);
1357 260 : VSIFCloseL(fp);
1358 : }
1359 260 : pabyHeader = abyHeaderLetMeHerePlease;
1360 : }
1361 1133 : else if (poOpenInfo->pabyHeader &&
1362 1133 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1363 : "SQLite format 3"))
1364 : {
1365 1126 : m_bCallUndeclareFileNotToOpen = true;
1366 1126 : GDALOpenInfoDeclareFileNotToOpen(osFilename, poOpenInfo->pabyHeader,
1367 : poOpenInfo->nHeaderBytes);
1368 : }
1369 :
1370 1393 : eAccess = poOpenInfo->eAccess;
1371 1393 : 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 1391 : m_pszFilename = CPLStrdup(osFilename);
1379 : }
1380 :
1381 1393 : if (poOpenInfo->papszOpenOptions)
1382 : {
1383 100 : CSLDestroy(papszOpenOptions);
1384 100 : papszOpenOptions = CSLDuplicate(poOpenInfo->papszOpenOptions);
1385 : }
1386 :
1387 : #ifdef ENABLE_SQL_GPKG_FORMAT
1388 1393 : if (poOpenInfo->pabyHeader &&
1389 1133 : 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 1388 : else if (pabyHeader != nullptr)
1424 : #endif
1425 : {
1426 1388 : 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 1010 : VSIFCloseL(poOpenInfo->fpL);
1431 1010 : poOpenInfo->fpL = nullptr;
1432 : }
1433 :
1434 : /* See if we can open the SQLite database */
1435 1388 : if (!OpenOrCreateDB(GetUpdate() ? SQLITE_OPEN_READWRITE
1436 : : SQLITE_OPEN_READONLY))
1437 3 : return FALSE;
1438 :
1439 1385 : memcpy(&m_nApplicationId, pabyHeader + knApplicationIdPos, 4);
1440 1385 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
1441 1385 : memcpy(&m_nUserVersion, pabyHeader + knUserVersionPos, 4);
1442 1385 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
1443 1385 : if (m_nApplicationId == GP10_APPLICATION_ID)
1444 : {
1445 9 : CPLDebug("GPKG", "GeoPackage v1.0");
1446 : }
1447 1376 : else if (m_nApplicationId == GP11_APPLICATION_ID)
1448 : {
1449 2 : CPLDebug("GPKG", "GeoPackage v1.1");
1450 : }
1451 1374 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
1452 1370 : m_nUserVersion >= GPKG_1_2_VERSION)
1453 : {
1454 1368 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
1455 1368 : (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 1390 : 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 1390 : 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 1390 : 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 1390 : 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 1390 : DetectSpatialRefSysColumns();
1500 :
1501 : #ifdef ENABLE_GPKG_OGR_CONTENTS
1502 1390 : if (SQLGetInteger(hDB,
1503 : "SELECT 1 FROM sqlite_master WHERE "
1504 : "name = 'gpkg_ogr_contents' AND type = 'table'",
1505 1390 : nullptr) == 1)
1506 : {
1507 1379 : m_bHasGPKGOGRContents = true;
1508 : }
1509 : #endif
1510 :
1511 1390 : CheckUnknownExtensions();
1512 :
1513 1390 : int bRet = FALSE;
1514 1390 : bool bHasGPKGExtRelations = false;
1515 1390 : if (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR)
1516 : {
1517 1201 : m_bHasGPKGGeometryColumns =
1518 1201 : SQLGetInteger(hDB,
1519 : "SELECT 1 FROM sqlite_master WHERE "
1520 : "name = 'gpkg_geometry_columns' AND "
1521 : "type IN ('table', 'view')",
1522 1201 : nullptr) == 1;
1523 1201 : bHasGPKGExtRelations = HasGpkgextRelationsTable();
1524 : }
1525 1390 : 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 1199 : " WHERE data_type IN ('aspatial', 'attributes') ";
1551 :
1552 2398 : const char *pszListAllTables = CSLFetchNameValueDef(
1553 1199 : poOpenInfo->papszOpenOptions, "LIST_ALL_TABLES", "AUTO");
1554 1199 : bool bHasASpatialOrAttributes = HasGDALAspatialExtension();
1555 1199 : if (!bHasASpatialOrAttributes)
1556 : {
1557 : auto oResultTable =
1558 : SQLQuery(hDB, "SELECT * FROM gpkg_contents WHERE "
1559 1198 : "data_type = 'attributes' LIMIT 1");
1560 1198 : bHasASpatialOrAttributes =
1561 1198 : (oResultTable && oResultTable->RowCount() == 1);
1562 : }
1563 1199 : 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 1199 : if (EQUAL(pszListAllTables, "YES") ||
1578 1198 : (!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 1129 : "gpkg_contents)";
1595 1129 : if (bHasGPKGExtRelations)
1596 : {
1597 : osSQL += " AND lower(name) NOT IN (SELECT "
1598 : "lower(mapping_table_name) FROM "
1599 15 : "gpkgext_relations)";
1600 : }
1601 : }
1602 1199 : const int nTableLimit = GetOGRTableLimit();
1603 1199 : if (nTableLimit > 0)
1604 : {
1605 1199 : osSQL += " LIMIT ";
1606 1199 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1607 : }
1608 :
1609 1199 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1610 1199 : if (!oResult)
1611 : {
1612 0 : return FALSE;
1613 : }
1614 :
1615 1199 : 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 1199 : if (oResult->RowCount() > 0)
1626 : {
1627 1082 : bRet = TRUE;
1628 :
1629 1082 : m_apoLayers.reserve(oResult->RowCount());
1630 :
1631 2164 : std::map<std::string, int> oMapTableRefCount;
1632 4392 : for (int i = 0; i < oResult->RowCount(); i++)
1633 : {
1634 3310 : const char *pszTableName = oResult->GetValue(0, i);
1635 3310 : if (pszTableName == nullptr)
1636 0 : continue;
1637 3310 : 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 2164 : std::set<std::string> oExistingLayers;
1649 4392 : for (int i = 0; i < oResult->RowCount(); i++)
1650 : {
1651 3310 : const char *pszTableName = oResult->GetValue(0, i);
1652 3310 : if (pszTableName == nullptr)
1653 2 : continue;
1654 : const bool bTableHasSeveralGeomColumns =
1655 3310 : oMapTableRefCount[pszTableName] > 1;
1656 3310 : bool bIsSpatial = CPL_TO_BOOL(oResult->GetValueAsInteger(2, i));
1657 3310 : const char *pszGeomColName = oResult->GetValue(3, i);
1658 3310 : const char *pszGeomType = oResult->GetValue(4, i);
1659 3310 : const char *pszZ = oResult->GetValue(5, i);
1660 3310 : const char *pszM = oResult->GetValue(6, i);
1661 : bool bIsInGpkgContents =
1662 3310 : CPL_TO_BOOL(oResult->GetValueAsInteger(11, i));
1663 3310 : if (!bIsInGpkgContents)
1664 46 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound = true;
1665 3310 : const char *pszObjectType = oResult->GetValue(12, i);
1666 3310 : if (pszObjectType == nullptr ||
1667 3309 : !(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 6876 : pszGeomColName ? std::string(pszTableName) + " (" +
1684 : pszGeomColName + ')'
1685 6618 : : std::string(pszTableName);
1686 3309 : if (cpl::contains(oExistingLayers, osLayerNameWithGeomColName))
1687 1 : continue;
1688 3308 : oExistingLayers.insert(osLayerNameWithGeomColName);
1689 : const std::string osLayerName =
1690 : bTableHasSeveralGeomColumns
1691 3 : ? std::move(osLayerNameWithGeomColName)
1692 6619 : : std::string(pszTableName);
1693 : auto poLayer = std::make_unique<OGRGeoPackageTableLayer>(
1694 6616 : this, osLayerName.c_str());
1695 3308 : bool bHasZ = pszZ && atoi(pszZ) > 0;
1696 3308 : bool bHasM = pszM && atoi(pszM) > 0;
1697 3308 : if (pszGeomType && EQUAL(pszGeomType, "GEOMETRY"))
1698 : {
1699 659 : if (pszZ && atoi(pszZ) == 2)
1700 14 : bHasZ = false;
1701 659 : if (pszM && atoi(pszM) == 2)
1702 6 : bHasM = false;
1703 : }
1704 3308 : poLayer->SetOpeningParameters(
1705 : pszTableName, pszObjectType, bIsInGpkgContents, bIsSpatial,
1706 : pszGeomColName, pszGeomType, bHasZ, bHasM);
1707 3308 : m_apoLayers.push_back(std::move(poLayer));
1708 : }
1709 : }
1710 : }
1711 :
1712 1390 : bool bHasTileMatrixSet = false;
1713 1390 : if (poOpenInfo->nOpenFlags & GDAL_OF_RASTER)
1714 : {
1715 605 : 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 1390 : 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 602 : "data_type IN ('tiles', '2d-gridded-coverage')";
1730 602 : if (CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE"))
1731 : osSubdatasetTableName =
1732 2 : CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE");
1733 602 : 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 602 : const int nTableLimit = GetOGRTableLimit();
1742 602 : if (nTableLimit > 0)
1743 : {
1744 602 : osSQL += " LIMIT ";
1745 602 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1746 : }
1747 :
1748 602 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1749 602 : if (!oResult)
1750 : {
1751 0 : return FALSE;
1752 : }
1753 :
1754 602 : 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 601 : else if (oResult->RowCount() == 1)
1761 : {
1762 281 : const char *pszTableName = oResult->GetValue(0, 0);
1763 281 : const char *pszIdentifier = oResult->GetValue(1, 0);
1764 281 : const char *pszDescription = oResult->GetValue(2, 0);
1765 281 : const char *pszSRSId = oResult->GetValue(3, 0);
1766 281 : const char *pszMinX = oResult->GetValue(4, 0);
1767 281 : const char *pszMinY = oResult->GetValue(5, 0);
1768 281 : const char *pszMaxX = oResult->GetValue(6, 0);
1769 281 : const char *pszMaxY = oResult->GetValue(7, 0);
1770 281 : const char *pszTMSMinX = oResult->GetValue(8, 0);
1771 281 : const char *pszTMSMinY = oResult->GetValue(9, 0);
1772 281 : const char *pszTMSMaxX = oResult->GetValue(10, 0);
1773 281 : const char *pszTMSMaxY = oResult->GetValue(11, 0);
1774 281 : const char *pszDataType = oResult->GetValue(12, 0);
1775 281 : if (pszTableName && pszTMSMinX && pszTMSMinY && pszTMSMaxX &&
1776 : pszTMSMaxY)
1777 : {
1778 562 : bRet = OpenRaster(
1779 : pszTableName, pszIdentifier, pszDescription,
1780 281 : pszSRSId ? atoi(pszSRSId) : 0, CPLAtof(pszTMSMinX),
1781 : CPLAtof(pszTMSMinY), CPLAtof(pszTMSMaxX),
1782 : CPLAtof(pszTMSMaxY), pszMinX, pszMinY, pszMaxX, pszMaxY,
1783 281 : EQUAL(pszDataType, "tiles"), poOpenInfo->papszOpenOptions);
1784 : }
1785 : }
1786 320 : 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 1390 : 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 1390 : if (eAccess == GA_Update)
1836 : {
1837 285 : FixupWrongRTreeTrigger();
1838 285 : FixupWrongMedataReferenceColumnNameUpdate();
1839 : }
1840 :
1841 1390 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
1842 :
1843 1390 : return bRet;
1844 : }
1845 :
1846 : /************************************************************************/
1847 : /* DetectSpatialRefSysColumns() */
1848 : /************************************************************************/
1849 :
1850 1400 : void GDALGeoPackageDataset::DetectSpatialRefSysColumns()
1851 : {
1852 : // Detect definition_12_063 column
1853 : {
1854 1400 : sqlite3_stmt *hSQLStmt = nullptr;
1855 1400 : int rc = sqlite3_prepare_v2(
1856 : hDB, "SELECT definition_12_063 FROM gpkg_spatial_ref_sys ", -1,
1857 : &hSQLStmt, nullptr);
1858 1400 : if (rc == SQLITE_OK)
1859 : {
1860 85 : m_bHasDefinition12_063 = true;
1861 85 : sqlite3_finalize(hSQLStmt);
1862 : }
1863 : }
1864 :
1865 : // Detect epoch column
1866 1400 : 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 1400 : }
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 365 : 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 365 : m_osRasterTable = pszTableName;
2274 365 : m_dfTMSMinX = dfMinX;
2275 365 : m_dfTMSMaxY = dfMaxY;
2276 :
2277 : // Despite prior checking, the type might be Binary and
2278 : // SQLResultGetValue() not working properly on it
2279 365 : int nZoomLevel = atoi(oResult.GetValue(0, nIdxInResult));
2280 365 : if (nZoomLevel < 0 || nZoomLevel > 65536)
2281 : {
2282 0 : return false;
2283 : }
2284 365 : double dfPixelXSize = CPLAtof(oResult.GetValue(1, nIdxInResult));
2285 365 : double dfPixelYSize = CPLAtof(oResult.GetValue(2, nIdxInResult));
2286 365 : if (dfPixelXSize <= 0 || dfPixelYSize <= 0)
2287 : {
2288 0 : return false;
2289 : }
2290 365 : int nTileWidth = atoi(oResult.GetValue(3, nIdxInResult));
2291 365 : int nTileHeight = atoi(oResult.GetValue(4, nIdxInResult));
2292 365 : if (nTileWidth <= 0 || nTileWidth > 65536 || nTileHeight <= 0 ||
2293 : nTileHeight > 65536)
2294 : {
2295 0 : return false;
2296 : }
2297 : int nTileMatrixWidth = static_cast<int>(
2298 730 : std::min(static_cast<GIntBig>(INT_MAX),
2299 365 : CPLAtoGIntBig(oResult.GetValue(5, nIdxInResult))));
2300 : int nTileMatrixHeight = static_cast<int>(
2301 730 : std::min(static_cast<GIntBig>(INT_MAX),
2302 365 : CPLAtoGIntBig(oResult.GetValue(6, nIdxInResult))));
2303 365 : if (nTileMatrixWidth <= 0 || nTileMatrixHeight <= 0)
2304 : {
2305 0 : return false;
2306 : }
2307 :
2308 : /* Use content bounds in priority over tile_matrix_set bounds */
2309 365 : double dfGDALMinX = dfMinX;
2310 365 : double dfGDALMinY = dfMinY;
2311 365 : double dfGDALMaxX = dfMaxX;
2312 365 : double dfGDALMaxY = dfMaxY;
2313 : pszContentsMinX =
2314 365 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINX", pszContentsMinX);
2315 : pszContentsMinY =
2316 365 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINY", pszContentsMinY);
2317 : pszContentsMaxX =
2318 365 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXX", pszContentsMaxX);
2319 : pszContentsMaxY =
2320 365 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXY", pszContentsMaxY);
2321 365 : if (pszContentsMinX != nullptr && pszContentsMinY != nullptr &&
2322 365 : pszContentsMaxX != nullptr && pszContentsMaxY != nullptr)
2323 : {
2324 729 : if (CPLAtof(pszContentsMinX) < CPLAtof(pszContentsMaxX) &&
2325 364 : CPLAtof(pszContentsMinY) < CPLAtof(pszContentsMaxY))
2326 : {
2327 364 : dfGDALMinX = CPLAtof(pszContentsMinX);
2328 364 : dfGDALMinY = CPLAtof(pszContentsMinY);
2329 364 : dfGDALMaxX = CPLAtof(pszContentsMaxX);
2330 364 : 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 365 : 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 365 : int nBandCount = 0;
2349 : const char *pszBAND_COUNT =
2350 365 : CSLFetchNameValue(papszOpenOptionsIn, "BAND_COUNT");
2351 365 : if (poParentDS)
2352 : {
2353 86 : nBandCount = poParentDS->GetRasterCount();
2354 : }
2355 279 : 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 214 : 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 145 : GetMetadata("IMAGE_STRUCTURE");
2376 145 : nBandCount = m_nBandCountFromMetadata;
2377 145 : if (nBandCount == 1)
2378 46 : m_eTF = GPKG_TF_PNG;
2379 : }
2380 214 : if (nBandCount == 1 && !m_osTFFromMetadata.empty())
2381 : {
2382 2 : m_eTF = GDALGPKGMBTilesGetTileFormat(m_osTFFromMetadata.c_str());
2383 : }
2384 214 : if (nBandCount <= 0 || nBandCount > 4)
2385 85 : nBandCount = 4;
2386 : }
2387 :
2388 365 : return InitRaster(poParentDS, pszTableName, nZoomLevel, nBandCount, dfMinX,
2389 : dfMaxY, dfPixelXSize, dfPixelYSize, nTileWidth,
2390 : nTileHeight, nTileMatrixWidth, nTileMatrixHeight,
2391 365 : dfGDALMinX, dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
2392 : }
2393 :
2394 : /************************************************************************/
2395 : /* ComputeTileAndPixelShifts() */
2396 : /************************************************************************/
2397 :
2398 792 : bool GDALGeoPackageDataset::ComputeTileAndPixelShifts()
2399 : {
2400 : int nTileWidth, nTileHeight;
2401 792 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2402 :
2403 : // Compute shift between GDAL origin and TileMatrixSet origin
2404 792 : const double dfShiftXPixels = (m_gt[0] - m_dfTMSMinX) / m_gt[1];
2405 792 : if (!(dfShiftXPixels / nTileWidth >= INT_MIN &&
2406 789 : dfShiftXPixels / nTileWidth < INT_MAX))
2407 : {
2408 3 : return false;
2409 : }
2410 789 : const int64_t nShiftXPixels =
2411 789 : static_cast<int64_t>(floor(0.5 + dfShiftXPixels));
2412 789 : m_nShiftXTiles = static_cast<int>(nShiftXPixels / nTileWidth);
2413 789 : if (nShiftXPixels < 0 && (nShiftXPixels % nTileWidth) != 0)
2414 11 : m_nShiftXTiles--;
2415 789 : m_nShiftXPixelsMod =
2416 789 : (static_cast<int>(nShiftXPixels % nTileWidth) + nTileWidth) %
2417 : nTileWidth;
2418 :
2419 789 : const double dfShiftYPixels = (m_gt[3] - m_dfTMSMaxY) / m_gt[5];
2420 789 : if (!(dfShiftYPixels / nTileHeight >= INT_MIN &&
2421 789 : dfShiftYPixels / nTileHeight < INT_MAX))
2422 : {
2423 1 : return false;
2424 : }
2425 788 : const int64_t nShiftYPixels =
2426 788 : static_cast<int64_t>(floor(0.5 + dfShiftYPixels));
2427 788 : m_nShiftYTiles = static_cast<int>(nShiftYPixels / nTileHeight);
2428 788 : if (nShiftYPixels < 0 && (nShiftYPixels % nTileHeight) != 0)
2429 11 : m_nShiftYTiles--;
2430 788 : m_nShiftYPixelsMod =
2431 788 : (static_cast<int>(nShiftYPixels % nTileHeight) + nTileHeight) %
2432 : nTileHeight;
2433 788 : return true;
2434 : }
2435 :
2436 : /************************************************************************/
2437 : /* AllocCachedTiles() */
2438 : /************************************************************************/
2439 :
2440 788 : bool GDALGeoPackageDataset::AllocCachedTiles()
2441 : {
2442 : int nTileWidth, nTileHeight;
2443 788 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2444 :
2445 : // We currently need 4 caches because of
2446 : // GDALGPKGMBTilesLikePseudoDataset::ReadTile(int nRow, int nCol)
2447 788 : const int nCacheCount = 4;
2448 : /*
2449 : (m_nShiftXPixelsMod != 0 || m_nShiftYPixelsMod != 0) ? 4 :
2450 : (GetUpdate() && m_eDT == GDT_UInt8) ? 2 : 1;
2451 : */
2452 788 : 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 788 : 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 788 : return true;
2464 : }
2465 :
2466 : /************************************************************************/
2467 : /* InitRaster() */
2468 : /************************************************************************/
2469 :
2470 604 : 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 604 : m_osRasterTable = pszTableName;
2478 604 : m_dfTMSMinX = dfTMSMinX;
2479 604 : m_dfTMSMaxY = dfTMSMaxY;
2480 604 : m_nZoomLevel = nZoomLevel;
2481 604 : m_nTileMatrixWidth = nTileMatrixWidth;
2482 604 : m_nTileMatrixHeight = nTileMatrixHeight;
2483 :
2484 604 : m_bGeoTransformValid = true;
2485 604 : m_gt[0] = dfGDALMinX;
2486 604 : m_gt[1] = dfPixelXSize;
2487 604 : m_gt[3] = dfGDALMaxY;
2488 604 : m_gt[5] = -dfPixelYSize;
2489 604 : double dfRasterXSize = 0.5 + (dfGDALMaxX - dfGDALMinX) / dfPixelXSize;
2490 604 : double dfRasterYSize = 0.5 + (dfGDALMaxY - dfGDALMinY) / dfPixelYSize;
2491 604 : 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 604 : nRasterXSize = std::max(1, static_cast<int>(dfRasterXSize));
2498 604 : nRasterYSize = std::max(1, static_cast<int>(dfRasterYSize));
2499 :
2500 604 : if (poParentDS)
2501 : {
2502 325 : m_poParentDS = poParentDS;
2503 325 : eAccess = poParentDS->eAccess;
2504 325 : hDB = poParentDS->hDB;
2505 325 : m_eTF = poParentDS->m_eTF;
2506 325 : m_eDT = poParentDS->m_eDT;
2507 325 : m_nDTSize = poParentDS->m_nDTSize;
2508 325 : m_dfScale = poParentDS->m_dfScale;
2509 325 : m_dfOffset = poParentDS->m_dfOffset;
2510 325 : m_dfPrecision = poParentDS->m_dfPrecision;
2511 325 : m_usGPKGNull = poParentDS->m_usGPKGNull;
2512 325 : m_nQuality = poParentDS->m_nQuality;
2513 325 : m_nZLevel = poParentDS->m_nZLevel;
2514 325 : m_bDither = poParentDS->m_bDither;
2515 : /*m_nSRID = poParentDS->m_nSRID;*/
2516 325 : m_osWHERE = poParentDS->m_osWHERE;
2517 325 : SetDescription(CPLSPrintf("%s - zoom_level=%d",
2518 325 : poParentDS->GetDescription(), m_nZoomLevel));
2519 : }
2520 :
2521 2105 : for (int i = 1; i <= nBandCount; i++)
2522 : {
2523 : auto poNewBand = std::make_unique<GDALGeoPackageRasterBand>(
2524 1501 : this, nTileWidth, nTileHeight);
2525 1501 : if (poParentDS)
2526 : {
2527 761 : int bHasNoData = FALSE;
2528 : double dfNoDataValue =
2529 761 : poParentDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
2530 761 : if (bHasNoData)
2531 24 : poNewBand->SetNoDataValueInternal(dfNoDataValue);
2532 : }
2533 :
2534 1501 : if (nBandCount == 1 && m_poCTFromMetadata)
2535 : {
2536 3 : poNewBand->AssignColorTable(m_poCTFromMetadata.get());
2537 : }
2538 1501 : if (!m_osNodataValueFromMetadata.empty())
2539 : {
2540 8 : poNewBand->SetNoDataValueInternal(
2541 : CPLAtof(m_osNodataValueFromMetadata.c_str()));
2542 : }
2543 :
2544 1501 : SetBand(i, std::move(poNewBand));
2545 : }
2546 :
2547 604 : if (!ComputeTileAndPixelShifts())
2548 : {
2549 3 : CPLError(CE_Failure, CPLE_AppDefined,
2550 : "Overflow occurred in ComputeTileAndPixelShifts()");
2551 3 : return false;
2552 : }
2553 :
2554 601 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL", "IMAGE_STRUCTURE");
2555 601 : GDALPamDataset::SetMetadataItem("ZOOM_LEVEL",
2556 : CPLSPrintf("%d", m_nZoomLevel));
2557 :
2558 601 : 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 281 : 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 281 : 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 562 : CPLString osDataNull = CPLGetConfigOption("GPKG_NODATA", "");
2625 562 : CPLString osUom;
2626 562 : CPLString osFieldName;
2627 562 : CPLString osGridCellEncoding;
2628 281 : 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 281 : m_bRecordInsertedInGPKGContent = true;
2753 281 : m_nSRID = nSRSId;
2754 :
2755 561 : if (auto poSRS = GetSpatialRef(nSRSId))
2756 : {
2757 280 : m_oSRS = *(poSRS.get());
2758 : }
2759 :
2760 : /* Various sanity checks added in the SELECT */
2761 281 : char *pszQuotedTableName = sqlite3_mprintf("'%q'", pszTableName);
2762 562 : CPLString osQuotedTableName(pszQuotedTableName);
2763 281 : sqlite3_free(pszQuotedTableName);
2764 281 : 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 562 : CPLString osSQL(pszSQL);
2778 : const char *pszZoomLevel =
2779 281 : CSLFetchNameValue(papszOpenOptionsIn, "ZOOM_LEVEL");
2780 281 : 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 276 : else if (!GetUpdate())
2795 : {
2796 : osSQL += CPLSPrintf(" AND EXISTS(SELECT 1 FROM %s WHERE zoom_level = "
2797 : "tm.zoom_level LIMIT 1)",
2798 222 : 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 281 : osSQL += " ORDER BY zoom_level DESC";
2807 : // To avoid denial of service.
2808 281 : osSQL += " LIMIT 100";
2809 :
2810 562 : auto oResult = SQLQuery(hDB, osSQL.c_str());
2811 281 : if (!oResult || oResult->RowCount() == 0)
2812 : {
2813 114 : if (oResult && oResult->RowCount() == 0 && pszContentsMinX != nullptr &&
2814 114 : pszContentsMinY != nullptr && pszContentsMaxX != nullptr &&
2815 : pszContentsMaxY != nullptr)
2816 : {
2817 56 : osSQL = pszSQL;
2818 56 : osSQL += " ORDER BY zoom_level DESC";
2819 56 : if (!GetUpdate())
2820 30 : osSQL += " LIMIT 1";
2821 56 : oResult = SQLQuery(hDB, osSQL.c_str());
2822 : }
2823 57 : 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 280 : 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 560 : CPLString osContentsMinX, osContentsMinY, osContentsMaxX, osContentsMaxY;
2842 :
2843 280 : 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 279 : if (!InitRaster(nullptr, pszTableName, dfMinX, dfMinY, dfMaxX, dfMaxY,
2884 : pszContentsMinX, pszContentsMinY, pszContentsMaxX,
2885 279 : pszContentsMaxY, papszOpenOptionsIn, *oResult, 0))
2886 : {
2887 3 : return false;
2888 : }
2889 :
2890 276 : auto poBand = cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(1));
2891 276 : 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 276 : if (!osUom.empty())
2924 : {
2925 2 : poBand->SetUnitTypeInternal(osUom);
2926 : }
2927 276 : if (!osFieldName.empty())
2928 : {
2929 64 : GetRasterBand(1)->GDALRasterBand::SetDescription(osFieldName);
2930 : }
2931 276 : 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 276 : 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 276 : const char *pszTF = CSLFetchNameValue(papszOpenOptionsIn, "TILE_FORMAT");
2957 276 : 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 276 : ParseCompressionOptions(papszOpenOptionsIn);
2983 :
2984 276 : m_osWHERE = CSLFetchNameValueDef(papszOpenOptionsIn, "WHERE", "");
2985 :
2986 : // Set metadata
2987 276 : if (pszIdentifier && pszIdentifier[0])
2988 276 : GDALPamDataset::SetMetadataItem("IDENTIFIER", pszIdentifier);
2989 276 : if (pszDescription && pszDescription[0])
2990 21 : GDALPamDataset::SetMetadataItem("DESCRIPTION", pszDescription);
2991 :
2992 : // Add overviews
2993 361 : 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 276 : 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 153 : CPLErr GDALGeoPackageDataset::SetSpatialRef(const OGRSpatialReference *poSRS)
3049 : {
3050 153 : 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 152 : 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 151 : const int nSRID = GetSrsId(poSRS);
3064 302 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3065 151 : 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 150 : m_nSRID = nSRID;
3074 150 : m_oSRS.Clear();
3075 150 : if (poSRS)
3076 149 : m_oSRS = *poSRS;
3077 :
3078 150 : 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 150 : 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 193 : CPLErr GDALGeoPackageDataset::SetGeoTransform(const GDALGeoTransform >)
3118 : {
3119 193 : 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 191 : 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 190 : if (m_bGeoTransformValid)
3132 : {
3133 1 : CPLError(CE_Failure, CPLE_NotSupported,
3134 : "Cannot modify geotransform once set");
3135 1 : return CE_Failure;
3136 : }
3137 189 : 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 189 : if (m_nZoomLevel < 0)
3145 : {
3146 188 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3147 188 : 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 188 : m_gt = gt;
3180 188 : m_bGeoTransformValid = true;
3181 :
3182 188 : return FinalizeRasterRegistration();
3183 : }
3184 :
3185 : /************************************************************************/
3186 : /* FinalizeRasterRegistration() */
3187 : /************************************************************************/
3188 :
3189 188 : CPLErr GDALGeoPackageDataset::FinalizeRasterRegistration()
3190 : {
3191 : OGRErr eErr;
3192 :
3193 188 : m_dfTMSMinX = m_gt[0];
3194 188 : m_dfTMSMaxY = m_gt[3];
3195 :
3196 : int nTileWidth, nTileHeight;
3197 188 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3198 :
3199 188 : if (m_nZoomLevel < 0)
3200 : {
3201 168 : m_nZoomLevel = 0;
3202 242 : while ((nRasterXSize >> m_nZoomLevel) > nTileWidth ||
3203 168 : (nRasterYSize >> m_nZoomLevel) > nTileHeight)
3204 74 : m_nZoomLevel++;
3205 : }
3206 :
3207 188 : double dfPixelXSizeZoomLevel0 = m_gt[1] * (1 << m_nZoomLevel);
3208 188 : double dfPixelYSizeZoomLevel0 = fabs(m_gt[5]) * (1 << m_nZoomLevel);
3209 : int nTileXCountZoomLevel0 =
3210 188 : std::max(1, DIV_ROUND_UP((nRasterXSize >> m_nZoomLevel), nTileWidth));
3211 : int nTileYCountZoomLevel0 =
3212 188 : std::max(1, DIV_ROUND_UP((nRasterYSize >> m_nZoomLevel), nTileHeight));
3213 :
3214 376 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3215 188 : 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 188 : m_nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << m_nZoomLevel);
3226 188 : m_nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << m_nZoomLevel);
3227 :
3228 188 : if (!ComputeTileAndPixelShifts())
3229 : {
3230 1 : CPLError(CE_Failure, CPLE_AppDefined,
3231 : "Overflow occurred in ComputeTileAndPixelShifts()");
3232 1 : return CE_Failure;
3233 : }
3234 :
3235 187 : if (!AllocCachedTiles())
3236 : {
3237 0 : return CE_Failure;
3238 : }
3239 :
3240 187 : double dfGDALMinX = m_gt[0];
3241 187 : double dfGDALMinY = m_gt[3] + nRasterYSize * m_gt[5];
3242 187 : double dfGDALMaxX = m_gt[0] + nRasterXSize * m_gt[1];
3243 187 : double dfGDALMaxY = m_gt[3];
3244 :
3245 187 : if (SoftStartTransaction() != OGRERR_NONE)
3246 0 : return CE_Failure;
3247 :
3248 : const char *pszCurrentDate =
3249 187 : 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 374 : "('%q','%q','%q','%q',%.17g,%.17g,%.17g,%.17g,");
3255 187 : osInsertGpkgContentsFormatting += (pszCurrentDate) ? "'%q'" : "%s";
3256 187 : osInsertGpkgContentsFormatting += ",%d)";
3257 374 : char *pszSQL = sqlite3_mprintf(
3258 : osInsertGpkgContentsFormatting.c_str(), m_osRasterTable.c_str(),
3259 187 : (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 187 : eErr = SQLCommand(hDB, pszSQL);
3267 187 : sqlite3_free(pszSQL);
3268 187 : if (eErr != OGRERR_NONE)
3269 : {
3270 8 : SoftRollbackTransaction();
3271 8 : return CE_Failure;
3272 : }
3273 :
3274 179 : double dfTMSMaxX = m_dfTMSMinX + nTileXCountZoomLevel0 * nTileWidth *
3275 : dfPixelXSizeZoomLevel0;
3276 179 : double dfTMSMinY = m_dfTMSMaxY - nTileYCountZoomLevel0 * nTileHeight *
3277 : dfPixelYSizeZoomLevel0;
3278 :
3279 : pszSQL =
3280 179 : 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 179 : eErr = SQLCommand(hDB, pszSQL);
3286 179 : sqlite3_free(pszSQL);
3287 179 : if (eErr != OGRERR_NONE)
3288 : {
3289 0 : SoftRollbackTransaction();
3290 0 : return CE_Failure;
3291 : }
3292 :
3293 179 : m_apoOverviewDS.resize(m_nZoomLevel);
3294 :
3295 593 : for (int i = 0; i <= m_nZoomLevel; i++)
3296 : {
3297 414 : double dfPixelXSizeZoomLevel = 0.0;
3298 414 : double dfPixelYSizeZoomLevel = 0.0;
3299 414 : int nTileMatrixWidth = 0;
3300 414 : int nTileMatrixHeight = 0;
3301 414 : if (EQUAL(m_osTilingScheme, "CUSTOM"))
3302 : {
3303 233 : dfPixelXSizeZoomLevel = m_gt[1] * (1 << (m_nZoomLevel - i));
3304 233 : 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 414 : nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << i);
3312 414 : nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << i);
3313 :
3314 414 : 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 414 : eErr = SQLCommand(hDB, pszSQL);
3323 414 : sqlite3_free(pszSQL);
3324 414 : if (eErr != OGRERR_NONE)
3325 : {
3326 0 : SoftRollbackTransaction();
3327 0 : return CE_Failure;
3328 : }
3329 :
3330 414 : if (i < m_nZoomLevel)
3331 : {
3332 470 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3333 235 : poOvrDS->ShareLockWithParentDataset(this);
3334 235 : 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 235 : m_apoOverviewDS[m_nZoomLevel - 1 - i] = std::move(poOvrDS);
3341 : }
3342 : }
3343 :
3344 179 : 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 179 : SoftCommitTransaction();
3357 :
3358 179 : m_apoOverviewDS.resize(m_nZoomLevel);
3359 179 : m_bRecordInsertedInGPKGContent = true;
3360 :
3361 179 : return CE_None;
3362 : }
3363 :
3364 : /************************************************************************/
3365 : /* FlushCache() */
3366 : /************************************************************************/
3367 :
3368 2994 : CPLErr GDALGeoPackageDataset::FlushCache(bool bAtClosing)
3369 : {
3370 2994 : if (m_bInFlushCache)
3371 0 : return CE_None;
3372 :
3373 2994 : if (eAccess == GA_Update || !m_bMetadataDirty)
3374 : {
3375 2991 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3376 : }
3377 :
3378 2994 : if (m_bRemoveOGREmptyTable)
3379 : {
3380 835 : m_bRemoveOGREmptyTable = false;
3381 835 : RemoveOGREmptyTable();
3382 : }
3383 :
3384 2994 : CPLErr eErr = IFlushCacheWithErrCode(bAtClosing);
3385 :
3386 2994 : FlushMetadata();
3387 :
3388 2994 : if (eAccess == GA_Update || !m_bMetadataDirty)
3389 : {
3390 : // Needed again as above IFlushCacheWithErrCode()
3391 : // may have call GDALGeoPackageRasterBand::InvalidateStatistics()
3392 : // which modifies metadata
3393 2994 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3394 : }
3395 :
3396 2994 : return eErr;
3397 : }
3398 :
3399 5238 : CPLErr GDALGeoPackageDataset::IFlushCacheWithErrCode(bool bAtClosing)
3400 :
3401 : {
3402 5238 : if (m_bInFlushCache)
3403 2177 : return CE_None;
3404 3061 : m_bInFlushCache = true;
3405 3061 : if (hDB && eAccess == GA_ReadOnly && bAtClosing)
3406 : {
3407 : // Clean-up metadata that will go to PAM by removing items that
3408 : // are reconstructed.
3409 2236 : CPLStringList aosMD;
3410 1762 : for (CSLConstList papszIter = GetMetadata(); papszIter && *papszIter;
3411 : ++papszIter)
3412 : {
3413 644 : char *pszKey = nullptr;
3414 644 : CPLParseNameValue(*papszIter, &pszKey);
3415 1288 : if (pszKey &&
3416 644 : (EQUAL(pszKey, "AREA_OR_POINT") ||
3417 491 : EQUAL(pszKey, "IDENTIFIER") || EQUAL(pszKey, "DESCRIPTION") ||
3418 263 : EQUAL(pszKey, "ZOOM_LEVEL") ||
3419 674 : STARTS_WITH(pszKey, "GPKG_METADATA_ITEM_")))
3420 : {
3421 : // remove it
3422 : }
3423 : else
3424 : {
3425 30 : aosMD.AddString(*papszIter);
3426 : }
3427 644 : CPLFree(pszKey);
3428 : }
3429 1118 : oMDMD.SetMetadata(aosMD.List());
3430 1118 : oMDMD.SetMetadata(nullptr, "IMAGE_STRUCTURE");
3431 :
3432 2236 : GDALPamDataset::FlushCache(bAtClosing);
3433 : }
3434 : else
3435 : {
3436 : // Short circuit GDALPamDataset to avoid serialization to .aux.xml
3437 1943 : GDALDataset::FlushCache(bAtClosing);
3438 : }
3439 :
3440 7431 : for (auto &poLayer : m_apoLayers)
3441 : {
3442 4370 : poLayer->RunDeferredCreationIfNecessary();
3443 4370 : poLayer->CreateSpatialIndexIfNecessary();
3444 : }
3445 :
3446 : // Update raster table last_change column in gpkg_contents if needed
3447 3061 : 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 3061 : CPLErr eErr = FlushTiles();
3467 :
3468 3061 : m_bInFlushCache = false;
3469 3061 : return eErr;
3470 : }
3471 :
3472 : /************************************************************************/
3473 : /* GetCurrentDateEscapedSQL() */
3474 : /************************************************************************/
3475 :
3476 2269 : std::string GDALGeoPackageDataset::GetCurrentDateEscapedSQL()
3477 : {
3478 : const char *pszCurrentDate =
3479 2269 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3480 2269 : if (pszCurrentDate)
3481 10 : return '\'' + SQLEscapeLiteral(pszCurrentDate) + '\'';
3482 2264 : return "strftime('%Y-%m-%dT%H:%M:%fZ','now')";
3483 : }
3484 :
3485 : /************************************************************************/
3486 : /* UpdateGpkgContentsLastChange() */
3487 : /************************************************************************/
3488 :
3489 : OGRErr
3490 974 : GDALGeoPackageDataset::UpdateGpkgContentsLastChange(const char *pszTableName)
3491 : {
3492 : char *pszSQL =
3493 974 : sqlite3_mprintf("UPDATE gpkg_contents SET "
3494 : "last_change = %s "
3495 : "WHERE lower(table_name) = lower('%q')",
3496 1948 : GetCurrentDateEscapedSQL().c_str(), pszTableName);
3497 974 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3498 974 : sqlite3_free(pszSQL);
3499 974 : 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 6299 : const char *GDALGeoPackageDataset::CheckMetadataDomain(const char *pszDomain)
3819 : {
3820 6485 : 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 6295 : return pszDomain;
3830 : }
3831 :
3832 : /************************************************************************/
3833 : /* HasMetadataTables() */
3834 : /************************************************************************/
3835 :
3836 6021 : bool GDALGeoPackageDataset::HasMetadataTables() const
3837 : {
3838 6021 : if (m_nHasMetadataTables < 0)
3839 : {
3840 : const int nCount =
3841 2316 : 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 2316 : m_nHasMetadataTables = nCount == 2;
3847 : }
3848 6021 : return CPL_TO_BOOL(m_nHasMetadataTables);
3849 : }
3850 :
3851 : /************************************************************************/
3852 : /* HasDataColumnsTable() */
3853 : /************************************************************************/
3854 :
3855 1343 : bool GDALGeoPackageDataset::HasDataColumnsTable() const
3856 : {
3857 2686 : const int nCount = SQLGetInteger(
3858 1343 : hDB,
3859 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_data_columns'"
3860 : "AND type IN ('table', 'view')",
3861 : nullptr);
3862 1343 : return nCount == 1;
3863 : }
3864 :
3865 : /************************************************************************/
3866 : /* HasDataColumnConstraintsTable() */
3867 : /************************************************************************/
3868 :
3869 164 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTable() const
3870 : {
3871 164 : 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 164 : return nCount == 1;
3877 : }
3878 :
3879 : /************************************************************************/
3880 : /* HasDataColumnConstraintsTableGPKG_1_0() */
3881 : /************************************************************************/
3882 :
3883 110 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTableGPKG_1_0() const
3884 : {
3885 110 : if (m_nApplicationId != GP10_APPLICATION_ID)
3886 108 : 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 1377 : bool GDALGeoPackageDataset::HasGpkgextRelationsTable() const
4006 : {
4007 2754 : const int nCount = SQLGetInteger(
4008 1377 : hDB,
4009 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkgext_relations'"
4010 : "AND type IN ('table', 'view')",
4011 : nullptr);
4012 1377 : 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 4135 : CSLConstList GDALGeoPackageDataset::GetMetadata(const char *pszDomain)
4076 :
4077 : {
4078 4135 : pszDomain = CheckMetadataDomain(pszDomain);
4079 4135 : if (pszDomain != nullptr && EQUAL(pszDomain, "SUBDATASETS"))
4080 74 : return m_aosSubDatasets.List();
4081 :
4082 4061 : if (m_bHasReadMetadataFromStorage)
4083 1813 : return GDALPamDataset::GetMetadata(pszDomain);
4084 :
4085 2248 : m_bHasReadMetadataFromStorage = true;
4086 :
4087 2248 : TryLoadXML();
4088 :
4089 2248 : if (!HasMetadataTables())
4090 1715 : return GDALPamDataset::GetMetadata(pszDomain);
4091 :
4092 533 : char *pszSQL = nullptr;
4093 533 : 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 356 : 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 1066 : auto oResult = SQLQuery(hDB, pszSQL);
4119 533 : sqlite3_free(pszSQL);
4120 533 : if (!oResult)
4121 : {
4122 0 : return GDALPamDataset::GetMetadata(pszDomain);
4123 : }
4124 :
4125 533 : char **papszMetadata = CSLDuplicate(GDALPamDataset::GetMetadata());
4126 :
4127 : /* GDAL metadata */
4128 730 : 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 533 : GDALPamDataset::SetMetadata(papszMetadata);
4228 533 : CSLDestroy(papszMetadata);
4229 533 : papszMetadata = nullptr;
4230 :
4231 : /* Add non-GDAL metadata now */
4232 533 : int nNonGDALMDILocal = 1;
4233 533 : int nNonGDALMDIGeopackage = 1;
4234 730 : 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 533 : return GDALPamDataset::GetMetadata(pszDomain);
4278 : }
4279 :
4280 : /************************************************************************/
4281 : /* WriteMetadata() */
4282 : /************************************************************************/
4283 :
4284 756 : void GDALGeoPackageDataset::WriteMetadata(
4285 : CPLXMLNode *psXMLNode, /* will be destroyed by the method */
4286 : const char *pszTableName)
4287 : {
4288 756 : const bool bIsEmpty = (psXMLNode == nullptr);
4289 756 : if (!HasMetadataTables())
4290 : {
4291 551 : if (bIsEmpty || !CreateMetadataTables())
4292 : {
4293 252 : CPLDestroyXMLNode(psXMLNode);
4294 252 : return;
4295 : }
4296 : }
4297 :
4298 504 : char *pszXML = nullptr;
4299 504 : if (!bIsEmpty)
4300 : {
4301 : CPLXMLNode *psMasterXMLNode =
4302 349 : CPLCreateXMLNode(nullptr, CXT_Element, "GDALMultiDomainMetadata");
4303 349 : psMasterXMLNode->psChild = psXMLNode;
4304 349 : pszXML = CPLSerializeXMLTree(psMasterXMLNode);
4305 349 : CPLDestroyXMLNode(psMasterXMLNode);
4306 : }
4307 : // cppcheck-suppress uselessAssignmentPtrArg
4308 504 : psXMLNode = nullptr;
4309 :
4310 504 : char *pszSQL = nullptr;
4311 504 : if (pszTableName && pszTableName[0] != '\0')
4312 : {
4313 357 : 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 504 : int mdId = SQLGetInteger(hDB, pszSQL, &err);
4334 504 : if (err != OGRERR_NONE)
4335 471 : mdId = -1;
4336 504 : sqlite3_free(pszSQL);
4337 :
4338 504 : 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 349 : 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 322 : 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 349 : SQLCommand(hDB, pszSQL);
4369 349 : sqlite3_free(pszSQL);
4370 :
4371 349 : CPLFree(pszXML);
4372 :
4373 349 : if (mdId < 0)
4374 : {
4375 322 : const sqlite_int64 nFID = sqlite3_last_insert_rowid(hDB);
4376 322 : if (pszTableName != nullptr && pszTableName[0] != '\0')
4377 : {
4378 310 : 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 620 : 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 349 : SQLCommand(hDB, pszSQL);
4401 349 : sqlite3_free(pszSQL);
4402 : }
4403 : }
4404 :
4405 : /************************************************************************/
4406 : /* CreateMetadataTables() */
4407 : /************************************************************************/
4408 :
4409 318 : bool GDALGeoPackageDataset::CreateMetadataTables()
4410 : {
4411 : const bool bCreateTriggers =
4412 318 : 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 636 : ")";
4422 :
4423 : /* From D.2. metadata Table 40. metadata Trigger Definition SQL */
4424 318 : 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 318 : 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 318 : ")";
4478 :
4479 : /* From D.3. metadata_reference Table 41. gpkg_metadata_reference Trigger
4480 : * Definition SQL */
4481 318 : 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 318 : if (bCreateTriggers)
4575 : {
4576 0 : osSQL += ";";
4577 0 : osSQL += pszMetadataReferenceTriggers;
4578 : }
4579 :
4580 318 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
4581 2 : return false;
4582 :
4583 316 : 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 316 : "'read-write')";
4590 :
4591 316 : 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 316 : "'read-write')";
4598 :
4599 316 : const bool bOK = SQLCommand(hDB, osSQL) == OGRERR_NONE;
4600 316 : m_nHasMetadataTables = bOK;
4601 316 : return bOK;
4602 : }
4603 :
4604 : /************************************************************************/
4605 : /* FlushMetadata() */
4606 : /************************************************************************/
4607 :
4608 9114 : void GDALGeoPackageDataset::FlushMetadata()
4609 : {
4610 9114 : if (!m_bMetadataDirty || m_poParentDS != nullptr ||
4611 378 : m_nCreateMetadataTables == FALSE)
4612 8742 : return;
4613 372 : m_bMetadataDirty = false;
4614 :
4615 372 : if (eAccess == GA_ReadOnly)
4616 : {
4617 3 : return;
4618 : }
4619 :
4620 369 : bool bCanWriteAreaOrPoint =
4621 736 : !m_bGridCellEncodingAsCO &&
4622 367 : (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT);
4623 369 : 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 369 : char **papszMDDup = nullptr;
4681 206 : for (const char *pszKeyValue :
4682 781 : 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 369 : CPLXMLNode *psXMLNode = nullptr;
4702 : {
4703 369 : GDALMultiDomainMetadata oLocalMDMD;
4704 369 : CSLConstList papszDomainList = oMDMD.GetDomainList();
4705 369 : CSLConstList papszIter = papszDomainList;
4706 369 : oLocalMDMD.SetMetadata(papszMDDup);
4707 700 : 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 369 : 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 514 : 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 619 : 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 369 : psXMLNode = oLocalMDMD.Serialize();
4799 : }
4800 :
4801 369 : CSLDestroy(papszMDDup);
4802 369 : papszMDDup = nullptr;
4803 :
4804 369 : WriteMetadata(psXMLNode, m_osRasterTable.c_str());
4805 :
4806 369 : 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 611 : for (auto &poLayer : m_apoLayers)
4828 : {
4829 242 : const char *pszIdentifier = poLayer->GetMetadataItem("IDENTIFIER");
4830 242 : const char *pszDescription = poLayer->GetMetadataItem("DESCRIPTION");
4831 242 : 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 242 : 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 242 : papszMDDup = nullptr;
4851 651 : for (CSLConstList papszIter = poLayer->GetMetadata();
4852 651 : papszIter && *papszIter; ++papszIter)
4853 : {
4854 409 : if (STARTS_WITH_CI(*papszIter, "IDENTIFIER="))
4855 3 : continue;
4856 406 : if (STARTS_WITH_CI(*papszIter, "DESCRIPTION="))
4857 3 : continue;
4858 403 : if (STARTS_WITH_CI(*papszIter, "OLMD_FID64="))
4859 0 : continue;
4860 403 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4861 : }
4862 :
4863 : {
4864 242 : GDALMultiDomainMetadata oLocalMDMD;
4865 242 : char **papszDomainList = poLayer->GetMetadataDomainList();
4866 242 : char **papszIter = papszDomainList;
4867 242 : oLocalMDMD.SetMetadata(papszMDDup);
4868 539 : while (papszIter && *papszIter)
4869 : {
4870 297 : if (!EQUAL(*papszIter, ""))
4871 68 : oLocalMDMD.SetMetadata(poLayer->GetMetadata(*papszIter),
4872 : *papszIter);
4873 297 : papszIter++;
4874 : }
4875 242 : CSLDestroy(papszDomainList);
4876 242 : psXMLNode = oLocalMDMD.Serialize();
4877 : }
4878 :
4879 242 : CSLDestroy(papszMDDup);
4880 242 : papszMDDup = nullptr;
4881 :
4882 242 : WriteMetadata(psXMLNode, poLayer->GetName());
4883 : }
4884 : }
4885 :
4886 : /************************************************************************/
4887 : /* GetMetadataItem() */
4888 : /************************************************************************/
4889 :
4890 2009 : const char *GDALGeoPackageDataset::GetMetadataItem(const char *pszName,
4891 : const char *pszDomain)
4892 : {
4893 2009 : pszDomain = CheckMetadataDomain(pszDomain);
4894 2009 : 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 1065 : int GDALGeoPackageDataset::Create(const char *pszFilename, int nXSize,
4929 : int nYSize, int nBandsIn, GDALDataType eDT,
4930 : CSLConstList papszOptions)
4931 : {
4932 2130 : CPLString osCommand;
4933 :
4934 : /* First, ensure there isn't any such file yet. */
4935 : VSIStatBufL sStatBuf;
4936 :
4937 1065 : if (nBandsIn != 0)
4938 : {
4939 227 : if (eDT == GDT_UInt8)
4940 : {
4941 157 : 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 1034 : const size_t nFilenameLen = strlen(pszFilename);
4970 1034 : const bool bGpkgZip =
4971 1029 : (nFilenameLen > strlen(".gpkg.zip") &&
4972 2063 : !STARTS_WITH(pszFilename, "/vsizip/") &&
4973 1029 : EQUAL(pszFilename + nFilenameLen - strlen(".gpkg.zip"), ".gpkg.zip"));
4974 :
4975 : const bool bUseTempFile =
4976 1035 : 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 1034 : "FORCED")));
4982 :
4983 1034 : bool bFileExists = false;
4984 1034 : 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 1034 : 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 1031 : m_pszFilename = CPLStrdup(pszFilename);
5019 : }
5020 1034 : m_bNew = true;
5021 1034 : eAccess = GA_Update;
5022 1034 : m_bDateTimeWithTZ =
5023 1034 : EQUAL(CSLFetchNameValueDef(papszOptions, "DATETIME_FORMAT", "WITH_TZ"),
5024 : "WITH_TZ");
5025 :
5026 : // for test/debug purposes only. true is the nominal value
5027 1034 : m_bPNGSupports2Bands =
5028 1034 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_2BANDS", "TRUE"));
5029 1034 : m_bPNGSupportsCT =
5030 1034 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_CT", "TRUE"));
5031 :
5032 1034 : 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 2042 : if (!bFileExists &&
5039 1016 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5040 : {
5041 501 : 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 1026 : SQLCommand(hDB, "PRAGMA encoding = \"UTF-8\"");
5047 :
5048 1026 : 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 1026 : const char *pszVersion = CSLFetchNameValue(papszOptions, "VERSION");
5082 1026 : 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 1026 : SoftStartTransaction();
5112 :
5113 2052 : CPLString osSQL;
5114 1026 : 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 1016 : "description TEXT";
5126 1016 : if (CPLTestBool(CSLFetchNameValueDef(papszOptions, "CRS_WKT_EXTENSION",
5127 1198 : "NO")) ||
5128 182 : (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 1016 : "definition, description";
5148 1016 : 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 1016 : "84 spheroid'";
5161 1016 : 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 1016 : "definition, description";
5183 1016 : if (m_bHasDefinition12_063)
5184 42 : osSQL += ", definition_12_063";
5185 : osSQL += ") VALUES ("
5186 : "'Undefined Cartesian SRS', -1, 'NONE', -1, 'undefined', "
5187 1016 : "'undefined Cartesian coordinate reference system'";
5188 1016 : 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 1016 : "definition, description";
5203 1016 : if (m_bHasDefinition12_063)
5204 42 : osSQL += ", definition_12_063";
5205 : osSQL += ") VALUES ("
5206 : "'Undefined geographic SRS', 0, 'NONE', 0, 'undefined', "
5207 1016 : "'undefined geographic coordinate reference system'";
5208 1016 : 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 1016 : ")";
5228 :
5229 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5230 1016 : if (CPLFetchBool(papszOptions, "ADD_GPKG_OGR_CONTENTS", true))
5231 : {
5232 1010 : 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 1010 : ")";
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 1016 : CPLTestBool(CPLGetConfigOption("CREATE_GEOMETRY_COLUMNS", "YES"));
5248 1016 : if (bCreateGeometryColumns)
5249 : {
5250 1015 : m_bHasGPKGGeometryColumns = true;
5251 1015 : osSQL += ";";
5252 1015 : osSQL += pszCREATE_GPKG_GEOMETRY_COLUMNS;
5253 : }
5254 : }
5255 :
5256 : const bool bCreateTriggers =
5257 1026 : 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 2052 : nullptr) == 0) ||
5264 1025 : (!bFileExists &&
5265 1016 : CPLTestBool(CPLGetConfigOption("CREATE_RASTER_TABLES", "YES"))))
5266 : {
5267 1016 : if (!osSQL.empty())
5268 1015 : 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 1016 : ")";
5301 :
5302 1016 : if (bCreateTriggers)
5303 : {
5304 : /* From D.1. gpkg_tile_matrix Table 39. gpkg_tile_matrix Trigger
5305 : * Definition SQL */
5306 1016 : 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 1016 : osSQL += ";";
5378 1016 : osSQL += pszTileMatrixTrigger;
5379 : }
5380 : }
5381 :
5382 1026 : if (!osSQL.empty() && OGRERR_NONE != SQLCommand(hDB, osSQL))
5383 1 : return FALSE;
5384 :
5385 1025 : if (!bFileExists)
5386 : {
5387 : const char *pszMetadataTables =
5388 1015 : CSLFetchNameValue(papszOptions, "METADATA_TABLES");
5389 1015 : if (pszMetadataTables)
5390 10 : m_nCreateMetadataTables = int(CPLTestBool(pszMetadataTables));
5391 :
5392 1015 : if (m_nCreateMetadataTables == TRUE && !CreateMetadataTables())
5393 0 : return FALSE;
5394 :
5395 1015 : 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 1025 : if (nBandsIn != 0)
5435 : {
5436 191 : const std::string osTableName = CPLGetBasenameSafe(m_pszFilename);
5437 : m_osRasterTable = CSLFetchNameValueDef(papszOptions, "RASTER_TABLE",
5438 191 : osTableName.c_str());
5439 191 : 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 191 : m_bIdentifierAsCO =
5446 191 : CSLFetchNameValue(papszOptions, "RASTER_IDENTIFIER") != nullptr;
5447 : m_osIdentifier = CSLFetchNameValueDef(papszOptions, "RASTER_IDENTIFIER",
5448 191 : m_osRasterTable);
5449 191 : m_bDescriptionAsCO =
5450 191 : CSLFetchNameValue(papszOptions, "RASTER_DESCRIPTION") != nullptr;
5451 : m_osDescription =
5452 191 : CSLFetchNameValueDef(papszOptions, "RASTER_DESCRIPTION", "");
5453 191 : SetDataType(eDT);
5454 191 : 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 191 : 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 191 : osSQL = pszSQL;
5470 191 : sqlite3_free(pszSQL);
5471 :
5472 191 : if (bCreateTriggers)
5473 : {
5474 191 : osSQL += ";";
5475 191 : osSQL += CreateRasterTriggersSQL(m_osRasterTable);
5476 : }
5477 :
5478 191 : OGRErr eErr = SQLCommand(hDB, osSQL);
5479 191 : if (OGRERR_NONE != eErr)
5480 0 : return FALSE;
5481 :
5482 191 : const char *pszTF = CSLFetchNameValue(papszOptions, "TILE_FORMAT");
5483 191 : 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 164 : 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 151 : 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 80 : else if (nBandsIn == 1)
5520 69 : m_eTF = GPKG_TF_PNG;
5521 : }
5522 :
5523 191 : if (eDT != GDT_UInt8)
5524 : {
5525 40 : if (!CreateTileGriddedTable(papszOptions))
5526 0 : return FALSE;
5527 : }
5528 :
5529 191 : nRasterXSize = nXSize;
5530 191 : nRasterYSize = nYSize;
5531 :
5532 : const char *pszTileSize =
5533 191 : CSLFetchNameValueDef(papszOptions, "BLOCKSIZE", "256");
5534 : const char *pszTileWidth =
5535 191 : CSLFetchNameValueDef(papszOptions, "BLOCKXSIZE", pszTileSize);
5536 : const char *pszTileHeight =
5537 191 : CSLFetchNameValueDef(papszOptions, "BLOCKYSIZE", pszTileSize);
5538 191 : int nTileWidth = atoi(pszTileWidth);
5539 191 : int nTileHeight = atoi(pszTileHeight);
5540 191 : if ((nTileWidth < 8 || nTileWidth > 4096 || nTileHeight < 8 ||
5541 382 : 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 515 : for (int i = 1; i <= nBandsIn; i++)
5551 : {
5552 324 : SetBand(i, std::make_unique<GDALGeoPackageRasterBand>(
5553 : this, nTileWidth, nTileHeight));
5554 : }
5555 :
5556 191 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL",
5557 : "IMAGE_STRUCTURE");
5558 191 : GDALPamDataset::SetMetadataItem("IDENTIFIER", m_osIdentifier);
5559 191 : if (!m_osDescription.empty())
5560 1 : GDALPamDataset::SetMetadataItem("DESCRIPTION", m_osDescription);
5561 :
5562 191 : ParseCompressionOptions(papszOptions);
5563 :
5564 191 : if (m_eTF == GPKG_TF_WEBP)
5565 : {
5566 10 : if (!RegisterWebPExtension())
5567 0 : return FALSE;
5568 : }
5569 :
5570 : m_osTilingScheme =
5571 191 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5572 191 : 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 169 : 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 1024 : 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 1024 : 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 1024 : SetApplicationAndUserVersionId();
5645 :
5646 : /* Default to synchronous=off for performance for new file */
5647 2038 : if (!bFileExists &&
5648 1014 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5649 : {
5650 501 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5651 : }
5652 :
5653 1024 : return TRUE;
5654 : }
5655 :
5656 : /************************************************************************/
5657 : /* RemoveOGREmptyTable() */
5658 : /************************************************************************/
5659 :
5660 844 : void GDALGeoPackageDataset::RemoveOGREmptyTable()
5661 : {
5662 : // Run with sqlite3_exec since we don't want errors to be emitted
5663 844 : sqlite3_exec(hDB, "DROP TABLE IF EXISTS ogr_empty_table", nullptr, nullptr,
5664 : nullptr);
5665 844 : sqlite3_exec(
5666 : hDB, "DELETE FROM gpkg_contents WHERE table_name = 'ogr_empty_table'",
5667 : nullptr, nullptr, nullptr);
5668 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5669 844 : if (m_bHasGPKGOGRContents)
5670 : {
5671 829 : sqlite3_exec(hDB,
5672 : "DELETE FROM gpkg_ogr_contents WHERE "
5673 : "table_name = 'ogr_empty_table'",
5674 : nullptr, nullptr, nullptr);
5675 : }
5676 : #endif
5677 844 : sqlite3_exec(hDB,
5678 : "DELETE FROM gpkg_geometry_columns WHERE "
5679 : "table_name = 'ogr_empty_table'",
5680 : nullptr, nullptr, nullptr);
5681 844 : }
5682 :
5683 : /************************************************************************/
5684 : /* CreateTileGriddedTable() */
5685 : /************************************************************************/
5686 :
5687 40 : bool GDALGeoPackageDataset::CreateTileGriddedTable(CSLConstList papszOptions)
5688 : {
5689 80 : CPLString osSQL;
5690 40 : if (!HasGriddedCoverageAncillaryTable())
5691 : {
5692 : // It doesn't exist. So create gpkg_extensions table if necessary, and
5693 : // gpkg_2d_gridded_coverage_ancillary & gpkg_2d_gridded_tile_ancillary,
5694 : // and register them as extensions.
5695 40 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
5696 0 : return false;
5697 :
5698 : // Req 1 /table-defs/coverage-ancillary
5699 : osSQL = "CREATE TABLE gpkg_2d_gridded_coverage_ancillary ("
5700 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5701 : "tile_matrix_set_name TEXT NOT NULL UNIQUE,"
5702 : "datatype TEXT NOT NULL DEFAULT 'integer',"
5703 : "scale REAL NOT NULL DEFAULT 1.0,"
5704 : "offset REAL NOT NULL DEFAULT 0.0,"
5705 : "precision REAL DEFAULT 1.0,"
5706 : "data_null REAL,"
5707 : "grid_cell_encoding TEXT DEFAULT 'grid-value-is-center',"
5708 : "uom TEXT,"
5709 : "field_name TEXT DEFAULT 'Height',"
5710 : "quantity_definition TEXT DEFAULT 'Height',"
5711 : "CONSTRAINT fk_g2dgtct_name FOREIGN KEY(tile_matrix_set_name) "
5712 : "REFERENCES gpkg_tile_matrix_set ( table_name ) "
5713 : "CHECK (datatype in ('integer','float')))"
5714 : ";"
5715 : // Requirement 2 /table-defs/tile-ancillary
5716 : "CREATE TABLE gpkg_2d_gridded_tile_ancillary ("
5717 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5718 : "tpudt_name TEXT NOT NULL,"
5719 : "tpudt_id INTEGER NOT NULL,"
5720 : "scale REAL NOT NULL DEFAULT 1.0,"
5721 : "offset REAL NOT NULL DEFAULT 0.0,"
5722 : "min REAL DEFAULT NULL,"
5723 : "max REAL DEFAULT NULL,"
5724 : "mean REAL DEFAULT NULL,"
5725 : "std_dev REAL DEFAULT NULL,"
5726 : "CONSTRAINT fk_g2dgtat_name FOREIGN KEY (tpudt_name) "
5727 : "REFERENCES gpkg_contents(table_name),"
5728 : "UNIQUE (tpudt_name, tpudt_id))"
5729 : ";"
5730 : // Requirement 6 /gpkg-extensions
5731 : "INSERT INTO gpkg_extensions "
5732 : "(table_name, column_name, extension_name, definition, scope) "
5733 : "VALUES ('gpkg_2d_gridded_coverage_ancillary', NULL, "
5734 : "'gpkg_2d_gridded_coverage', "
5735 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5736 : "'read-write')"
5737 : ";"
5738 : // Requirement 6 /gpkg-extensions
5739 : "INSERT INTO gpkg_extensions "
5740 : "(table_name, column_name, extension_name, definition, scope) "
5741 : "VALUES ('gpkg_2d_gridded_tile_ancillary', NULL, "
5742 : "'gpkg_2d_gridded_coverage', "
5743 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5744 : "'read-write')"
5745 40 : ";";
5746 : }
5747 :
5748 : // Requirement 6 /gpkg-extensions
5749 40 : char *pszSQL = sqlite3_mprintf(
5750 : "INSERT INTO gpkg_extensions "
5751 : "(table_name, column_name, extension_name, definition, scope) "
5752 : "VALUES ('%q', 'tile_data', "
5753 : "'gpkg_2d_gridded_coverage', "
5754 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5755 : "'read-write')",
5756 : m_osRasterTable.c_str());
5757 40 : osSQL += pszSQL;
5758 40 : osSQL += ";";
5759 40 : sqlite3_free(pszSQL);
5760 :
5761 : // Requirement 7 /gpkg-2d-gridded-coverage-ancillary
5762 : // Requirement 8 /gpkg-2d-gridded-coverage-ancillary-set-name
5763 : // Requirement 9 /gpkg-2d-gridded-coverage-ancillary-datatype
5764 40 : m_dfPrecision =
5765 40 : CPLAtof(CSLFetchNameValueDef(papszOptions, "PRECISION", "1"));
5766 : CPLString osGridCellEncoding(CSLFetchNameValueDef(
5767 80 : papszOptions, "GRID_CELL_ENCODING", "grid-value-is-center"));
5768 40 : m_bGridCellEncodingAsCO =
5769 40 : CSLFetchNameValue(papszOptions, "GRID_CELL_ENCODING") != nullptr;
5770 80 : CPLString osUom(CSLFetchNameValueDef(papszOptions, "UOM", ""));
5771 : CPLString osFieldName(
5772 80 : CSLFetchNameValueDef(papszOptions, "FIELD_NAME", "Height"));
5773 : CPLString osQuantityDefinition(
5774 80 : CSLFetchNameValueDef(papszOptions, "QUANTITY_DEFINITION", "Height"));
5775 :
5776 121 : pszSQL = sqlite3_mprintf(
5777 : "INSERT INTO gpkg_2d_gridded_coverage_ancillary "
5778 : "(tile_matrix_set_name, datatype, scale, offset, precision, "
5779 : "grid_cell_encoding, uom, field_name, quantity_definition) "
5780 : "VALUES (%Q, '%s', %.17g, %.17g, %.17g, %Q, %Q, %Q, %Q)",
5781 : m_osRasterTable.c_str(),
5782 40 : (m_eTF == GPKG_TF_PNG_16BIT) ? "integer" : "float", m_dfScale,
5783 : m_dfOffset, m_dfPrecision, osGridCellEncoding.c_str(),
5784 41 : osUom.empty() ? nullptr : osUom.c_str(), osFieldName.c_str(),
5785 : osQuantityDefinition.c_str());
5786 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary = pszSQL;
5787 40 : sqlite3_free(pszSQL);
5788 :
5789 : // Requirement 3 /gpkg-spatial-ref-sys-row
5790 : auto oResultTable = SQLQuery(
5791 80 : hDB, "SELECT * FROM gpkg_spatial_ref_sys WHERE srs_id = 4979 LIMIT 2");
5792 40 : bool bHasEPSG4979 = (oResultTable && oResultTable->RowCount() == 1);
5793 40 : if (!bHasEPSG4979)
5794 : {
5795 41 : if (!m_bHasDefinition12_063 &&
5796 1 : !ConvertGpkgSpatialRefSysToExtensionWkt2(/*bForceEpoch=*/false))
5797 : {
5798 0 : return false;
5799 : }
5800 :
5801 : // This is WKT 2...
5802 40 : const char *pszWKT =
5803 : "GEODCRS[\"WGS 84\","
5804 : "DATUM[\"World Geodetic System 1984\","
5805 : " ELLIPSOID[\"WGS 84\",6378137,298.257223563,"
5806 : "LENGTHUNIT[\"metre\",1.0]]],"
5807 : "CS[ellipsoidal,3],"
5808 : " AXIS[\"latitude\",north,ORDER[1],ANGLEUNIT[\"degree\","
5809 : "0.0174532925199433]],"
5810 : " AXIS[\"longitude\",east,ORDER[2],ANGLEUNIT[\"degree\","
5811 : "0.0174532925199433]],"
5812 : " AXIS[\"ellipsoidal height\",up,ORDER[3],"
5813 : "LENGTHUNIT[\"metre\",1.0]],"
5814 : "ID[\"EPSG\",4979]]";
5815 :
5816 40 : pszSQL = sqlite3_mprintf(
5817 : "INSERT INTO gpkg_spatial_ref_sys "
5818 : "(srs_name,srs_id,organization,organization_coordsys_id,"
5819 : "definition,definition_12_063) VALUES "
5820 : "('WGS 84 3D', 4979, 'EPSG', 4979, 'undefined', '%q')",
5821 : pszWKT);
5822 40 : osSQL += ";";
5823 40 : osSQL += pszSQL;
5824 40 : sqlite3_free(pszSQL);
5825 : }
5826 :
5827 40 : return SQLCommand(hDB, osSQL) == OGRERR_NONE;
5828 : }
5829 :
5830 : /************************************************************************/
5831 : /* HasGriddedCoverageAncillaryTable() */
5832 : /************************************************************************/
5833 :
5834 44 : bool GDALGeoPackageDataset::HasGriddedCoverageAncillaryTable()
5835 : {
5836 : auto oResultTable = SQLQuery(
5837 : hDB, "SELECT * FROM sqlite_master WHERE type IN ('table', 'view') AND "
5838 44 : "name = 'gpkg_2d_gridded_coverage_ancillary'");
5839 44 : bool bHasTable = (oResultTable && oResultTable->RowCount() == 1);
5840 88 : return bHasTable;
5841 : }
5842 :
5843 : /************************************************************************/
5844 : /* GetUnderlyingDataset() */
5845 : /************************************************************************/
5846 :
5847 3 : static GDALDataset *GetUnderlyingDataset(GDALDataset *poSrcDS)
5848 : {
5849 3 : if (auto poVRTDS = dynamic_cast<VRTDataset *>(poSrcDS))
5850 : {
5851 0 : auto poTmpDS = poVRTDS->GetSingleSimpleSource();
5852 0 : if (poTmpDS)
5853 0 : return poTmpDS;
5854 : }
5855 :
5856 3 : return poSrcDS;
5857 : }
5858 :
5859 : /************************************************************************/
5860 : /* CreateCopy() */
5861 : /************************************************************************/
5862 :
5863 : typedef struct
5864 : {
5865 : const char *pszName;
5866 : GDALResampleAlg eResampleAlg;
5867 : } WarpResamplingAlg;
5868 :
5869 : static const WarpResamplingAlg asResamplingAlg[] = {
5870 : {"NEAREST", GRA_NearestNeighbour},
5871 : {"BILINEAR", GRA_Bilinear},
5872 : {"CUBIC", GRA_Cubic},
5873 : {"CUBICSPLINE", GRA_CubicSpline},
5874 : {"LANCZOS", GRA_Lanczos},
5875 : {"MODE", GRA_Mode},
5876 : {"AVERAGE", GRA_Average},
5877 : {"RMS", GRA_RMS},
5878 : };
5879 :
5880 163 : GDALDataset *GDALGeoPackageDataset::CreateCopy(const char *pszFilename,
5881 : GDALDataset *poSrcDS,
5882 : int bStrict,
5883 : CSLConstList papszOptions,
5884 : GDALProgressFunc pfnProgress,
5885 : void *pProgressData)
5886 : {
5887 163 : const int nBands = poSrcDS->GetRasterCount();
5888 163 : if (nBands == 0)
5889 : {
5890 2 : GDALDataset *poDS = nullptr;
5891 : GDALDriver *poThisDriver =
5892 2 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5893 2 : if (poThisDriver != nullptr)
5894 : {
5895 2 : poDS = poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS,
5896 : bStrict, papszOptions,
5897 : pfnProgress, pProgressData);
5898 : }
5899 2 : return poDS;
5900 : }
5901 :
5902 : const char *pszTilingScheme =
5903 161 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5904 :
5905 322 : CPLStringList apszUpdatedOptions(CSLDuplicate(papszOptions));
5906 161 : if (CPLTestBool(
5907 167 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")) &&
5908 6 : CSLFetchNameValue(papszOptions, "RASTER_TABLE") == nullptr)
5909 : {
5910 : const std::string osBasename(CPLGetBasenameSafe(
5911 6 : GetUnderlyingDataset(poSrcDS)->GetDescription()));
5912 3 : apszUpdatedOptions.SetNameValue("RASTER_TABLE", osBasename.c_str());
5913 : }
5914 :
5915 161 : if (nBands != 1 && nBands != 2 && nBands != 3 && nBands != 4)
5916 : {
5917 1 : CPLError(CE_Failure, CPLE_NotSupported,
5918 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), 3 (RGB) or "
5919 : "4 (RGBA) band dataset supported");
5920 1 : return nullptr;
5921 : }
5922 :
5923 160 : const char *pszUnitType = poSrcDS->GetRasterBand(1)->GetUnitType();
5924 320 : if (CSLFetchNameValue(papszOptions, "UOM") == nullptr && pszUnitType &&
5925 160 : !EQUAL(pszUnitType, ""))
5926 : {
5927 1 : apszUpdatedOptions.SetNameValue("UOM", pszUnitType);
5928 : }
5929 :
5930 160 : if (EQUAL(pszTilingScheme, "CUSTOM"))
5931 : {
5932 136 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5933 : {
5934 0 : CPLError(CE_Failure, CPLE_NotSupported,
5935 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5936 0 : return nullptr;
5937 : }
5938 :
5939 136 : GDALGeoPackageDataset *poDS = nullptr;
5940 : GDALDriver *poThisDriver =
5941 136 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5942 136 : if (poThisDriver != nullptr)
5943 : {
5944 136 : apszUpdatedOptions.SetNameValue("SKIP_HOLES", "YES");
5945 136 : poDS = cpl::down_cast<GDALGeoPackageDataset *>(
5946 : poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS, bStrict,
5947 : apszUpdatedOptions, pfnProgress,
5948 136 : pProgressData));
5949 :
5950 252 : if (poDS != nullptr &&
5951 136 : poSrcDS->GetRasterBand(1)->GetRasterDataType() == GDT_UInt8 &&
5952 : nBands <= 3)
5953 : {
5954 76 : poDS->m_nBandCountFromMetadata = nBands;
5955 76 : poDS->m_bMetadataDirty = true;
5956 : }
5957 : }
5958 136 : if (poDS)
5959 116 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
5960 136 : return poDS;
5961 : }
5962 :
5963 48 : const auto poTS = GetTilingScheme(pszTilingScheme);
5964 24 : if (!poTS)
5965 : {
5966 2 : return nullptr;
5967 : }
5968 22 : const int nEPSGCode = poTS->nEPSGCode;
5969 :
5970 44 : OGRSpatialReference oSRS;
5971 22 : if (oSRS.importFromEPSG(nEPSGCode) != OGRERR_NONE)
5972 : {
5973 0 : return nullptr;
5974 : }
5975 22 : char *pszWKT = nullptr;
5976 22 : oSRS.exportToWkt(&pszWKT);
5977 22 : char **papszTO = CSLSetNameValue(nullptr, "DST_SRS", pszWKT);
5978 :
5979 22 : void *hTransformArg = nullptr;
5980 :
5981 : // Hack to compensate for GDALSuggestedWarpOutput2() failure (or not
5982 : // ideal suggestion with PROJ 8) when reprojecting latitude = +/- 90 to
5983 : // EPSG:3857.
5984 22 : GDALGeoTransform srcGT;
5985 22 : std::unique_ptr<GDALDataset> poTmpDS;
5986 22 : bool bEPSG3857Adjust = false;
5987 8 : if (nEPSGCode == 3857 && poSrcDS->GetGeoTransform(srcGT) == CE_None &&
5988 30 : srcGT[2] == 0 && srcGT[4] == 0 && srcGT[5] < 0)
5989 : {
5990 8 : const auto poSrcSRS = poSrcDS->GetSpatialRef();
5991 8 : if (poSrcSRS && poSrcSRS->IsGeographic())
5992 : {
5993 2 : double maxLat = srcGT[3];
5994 2 : double minLat = srcGT[3] + poSrcDS->GetRasterYSize() * srcGT[5];
5995 : // Corresponds to the latitude of below MAX_GM
5996 2 : constexpr double MAX_LAT = 85.0511287798066;
5997 2 : bool bModified = false;
5998 2 : if (maxLat > MAX_LAT)
5999 : {
6000 2 : maxLat = MAX_LAT;
6001 2 : bModified = true;
6002 : }
6003 2 : if (minLat < -MAX_LAT)
6004 : {
6005 2 : minLat = -MAX_LAT;
6006 2 : bModified = true;
6007 : }
6008 2 : if (bModified)
6009 : {
6010 4 : CPLStringList aosOptions;
6011 2 : aosOptions.AddString("-of");
6012 2 : aosOptions.AddString("VRT");
6013 2 : aosOptions.AddString("-projwin");
6014 2 : aosOptions.AddString(CPLSPrintf("%.17g", srcGT[0]));
6015 2 : aosOptions.AddString(CPLSPrintf("%.17g", maxLat));
6016 : aosOptions.AddString(CPLSPrintf(
6017 2 : "%.17g", srcGT[0] + poSrcDS->GetRasterXSize() * srcGT[1]));
6018 2 : aosOptions.AddString(CPLSPrintf("%.17g", minLat));
6019 : auto psOptions =
6020 2 : GDALTranslateOptionsNew(aosOptions.List(), nullptr);
6021 2 : poTmpDS.reset(GDALDataset::FromHandle(GDALTranslate(
6022 : "", GDALDataset::ToHandle(poSrcDS), psOptions, nullptr)));
6023 2 : GDALTranslateOptionsFree(psOptions);
6024 2 : if (poTmpDS)
6025 : {
6026 2 : bEPSG3857Adjust = true;
6027 2 : hTransformArg = GDALCreateGenImgProjTransformer2(
6028 2 : GDALDataset::FromHandle(poTmpDS.get()), nullptr,
6029 : papszTO);
6030 : }
6031 : }
6032 : }
6033 : }
6034 22 : if (hTransformArg == nullptr)
6035 : {
6036 : hTransformArg =
6037 20 : GDALCreateGenImgProjTransformer2(poSrcDS, nullptr, papszTO);
6038 : }
6039 :
6040 22 : if (hTransformArg == nullptr)
6041 : {
6042 1 : CPLFree(pszWKT);
6043 1 : CSLDestroy(papszTO);
6044 1 : return nullptr;
6045 : }
6046 :
6047 21 : GDALTransformerInfo *psInfo =
6048 : static_cast<GDALTransformerInfo *>(hTransformArg);
6049 21 : GDALGeoTransform gt;
6050 : double adfExtent[4];
6051 : int nXSize, nYSize;
6052 :
6053 21 : if (GDALSuggestedWarpOutput2(poSrcDS, psInfo->pfnTransform, hTransformArg,
6054 : gt.data(), &nXSize, &nYSize, adfExtent,
6055 21 : 0) != CE_None)
6056 : {
6057 0 : CPLFree(pszWKT);
6058 0 : CSLDestroy(papszTO);
6059 0 : GDALDestroyGenImgProjTransformer(hTransformArg);
6060 0 : return nullptr;
6061 : }
6062 :
6063 21 : GDALDestroyGenImgProjTransformer(hTransformArg);
6064 21 : hTransformArg = nullptr;
6065 21 : poTmpDS.reset();
6066 :
6067 21 : if (bEPSG3857Adjust)
6068 : {
6069 2 : constexpr double SPHERICAL_RADIUS = 6378137.0;
6070 2 : constexpr double MAX_GM =
6071 : SPHERICAL_RADIUS * M_PI; // 20037508.342789244
6072 2 : double maxNorthing = gt[3];
6073 2 : double minNorthing = gt[3] + gt[5] * nYSize;
6074 2 : bool bChanged = false;
6075 2 : if (maxNorthing > MAX_GM)
6076 : {
6077 2 : bChanged = true;
6078 2 : maxNorthing = MAX_GM;
6079 : }
6080 2 : if (minNorthing < -MAX_GM)
6081 : {
6082 2 : bChanged = true;
6083 2 : minNorthing = -MAX_GM;
6084 : }
6085 2 : if (bChanged)
6086 : {
6087 2 : gt[3] = maxNorthing;
6088 2 : nYSize = int((maxNorthing - minNorthing) / (-gt[5]) + 0.5);
6089 2 : adfExtent[1] = maxNorthing + nYSize * gt[5];
6090 2 : adfExtent[3] = maxNorthing;
6091 : }
6092 : }
6093 :
6094 21 : double dfComputedRes = gt[1];
6095 21 : double dfPrevRes = 0.0;
6096 21 : double dfRes = 0.0;
6097 21 : int nZoomLevel = 0; // Used after for.
6098 21 : const char *pszZoomLevel = CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
6099 21 : if (pszZoomLevel)
6100 : {
6101 2 : nZoomLevel = atoi(pszZoomLevel);
6102 :
6103 2 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
6104 2 : while ((1 << nMaxZoomLevelForThisTM) >
6105 4 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
6106 2 : (1 << nMaxZoomLevelForThisTM) >
6107 2 : INT_MAX / poTS->nTileYCountZoomLevel0)
6108 : {
6109 0 : --nMaxZoomLevelForThisTM;
6110 : }
6111 :
6112 2 : if (nZoomLevel < 0 || nZoomLevel > nMaxZoomLevelForThisTM)
6113 : {
6114 1 : CPLError(CE_Failure, CPLE_AppDefined,
6115 : "ZOOM_LEVEL = %s is invalid. It should be in [0,%d] range",
6116 : pszZoomLevel, nMaxZoomLevelForThisTM);
6117 1 : CPLFree(pszWKT);
6118 1 : CSLDestroy(papszTO);
6119 1 : return nullptr;
6120 : }
6121 : }
6122 : else
6123 : {
6124 171 : for (; nZoomLevel < MAX_ZOOM_LEVEL; nZoomLevel++)
6125 : {
6126 171 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6127 171 : if (dfComputedRes > dfRes ||
6128 152 : fabs(dfComputedRes - dfRes) / dfRes <= 1e-8)
6129 : break;
6130 152 : dfPrevRes = dfRes;
6131 : }
6132 38 : if (nZoomLevel == MAX_ZOOM_LEVEL ||
6133 38 : (1 << nZoomLevel) > INT_MAX / poTS->nTileXCountZoomLevel0 ||
6134 19 : (1 << nZoomLevel) > INT_MAX / poTS->nTileYCountZoomLevel0)
6135 : {
6136 0 : CPLError(CE_Failure, CPLE_AppDefined,
6137 : "Could not find an appropriate zoom level");
6138 0 : CPLFree(pszWKT);
6139 0 : CSLDestroy(papszTO);
6140 0 : return nullptr;
6141 : }
6142 :
6143 19 : if (nZoomLevel > 0 && fabs(dfComputedRes - dfRes) / dfRes > 1e-8)
6144 : {
6145 17 : const char *pszZoomLevelStrategy = CSLFetchNameValueDef(
6146 : papszOptions, "ZOOM_LEVEL_STRATEGY", "AUTO");
6147 17 : if (EQUAL(pszZoomLevelStrategy, "LOWER"))
6148 : {
6149 1 : nZoomLevel--;
6150 : }
6151 16 : else if (EQUAL(pszZoomLevelStrategy, "UPPER"))
6152 : {
6153 : /* do nothing */
6154 : }
6155 : else
6156 : {
6157 15 : if (dfPrevRes / dfComputedRes < dfComputedRes / dfRes)
6158 13 : nZoomLevel--;
6159 : }
6160 : }
6161 : }
6162 :
6163 20 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6164 :
6165 20 : double dfMinX = adfExtent[0];
6166 20 : double dfMinY = adfExtent[1];
6167 20 : double dfMaxX = adfExtent[2];
6168 20 : double dfMaxY = adfExtent[3];
6169 :
6170 20 : nXSize = static_cast<int>(0.5 + (dfMaxX - dfMinX) / dfRes);
6171 20 : nYSize = static_cast<int>(0.5 + (dfMaxY - dfMinY) / dfRes);
6172 20 : gt[1] = dfRes;
6173 20 : gt[5] = -dfRes;
6174 :
6175 20 : const GDALDataType eDT = poSrcDS->GetRasterBand(1)->GetRasterDataType();
6176 20 : int nTargetBands = nBands;
6177 : /* For grey level or RGB, if there's reprojection involved, add an alpha */
6178 : /* channel */
6179 37 : if (eDT == GDT_UInt8 &&
6180 13 : ((nBands == 1 &&
6181 17 : poSrcDS->GetRasterBand(1)->GetColorTable() == nullptr) ||
6182 : nBands == 3))
6183 : {
6184 30 : OGRSpatialReference oSrcSRS;
6185 15 : oSrcSRS.SetFromUserInput(poSrcDS->GetProjectionRef());
6186 15 : oSrcSRS.AutoIdentifyEPSG();
6187 30 : if (oSrcSRS.GetAuthorityCode(nullptr) == nullptr ||
6188 15 : atoi(oSrcSRS.GetAuthorityCode(nullptr)) != nEPSGCode)
6189 : {
6190 13 : nTargetBands++;
6191 : }
6192 : }
6193 :
6194 20 : GDALResampleAlg eResampleAlg = GRA_Bilinear;
6195 20 : const char *pszResampling = CSLFetchNameValue(papszOptions, "RESAMPLING");
6196 20 : if (pszResampling)
6197 : {
6198 6 : for (size_t iAlg = 0;
6199 6 : iAlg < sizeof(asResamplingAlg) / sizeof(asResamplingAlg[0]);
6200 : iAlg++)
6201 : {
6202 6 : if (EQUAL(pszResampling, asResamplingAlg[iAlg].pszName))
6203 : {
6204 3 : eResampleAlg = asResamplingAlg[iAlg].eResampleAlg;
6205 3 : break;
6206 : }
6207 : }
6208 : }
6209 :
6210 16 : if (nBands == 1 && poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr &&
6211 36 : eResampleAlg != GRA_NearestNeighbour && eResampleAlg != GRA_Mode)
6212 : {
6213 0 : CPLError(
6214 : CE_Warning, CPLE_AppDefined,
6215 : "Input dataset has a color table, which will likely lead to "
6216 : "bad results when using a resampling method other than "
6217 : "nearest neighbour or mode. Converting the dataset to 24/32 bit "
6218 : "(e.g. with gdal_translate -expand rgb/rgba) is advised.");
6219 : }
6220 :
6221 40 : auto poDS = std::make_unique<GDALGeoPackageDataset>();
6222 40 : if (!(poDS->Create(pszFilename, nXSize, nYSize, nTargetBands, eDT,
6223 20 : apszUpdatedOptions)))
6224 : {
6225 1 : CPLFree(pszWKT);
6226 1 : CSLDestroy(papszTO);
6227 1 : return nullptr;
6228 : }
6229 :
6230 : // Assign nodata values before the SetGeoTransform call.
6231 : // SetGeoTransform will trigger creation of the overview datasets for each
6232 : // zoom level and at that point the nodata value needs to be known.
6233 19 : int bHasNoData = FALSE;
6234 : double dfNoDataValue =
6235 19 : poSrcDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
6236 19 : if (eDT != GDT_UInt8 && bHasNoData)
6237 : {
6238 3 : poDS->GetRasterBand(1)->SetNoDataValue(dfNoDataValue);
6239 : }
6240 :
6241 19 : poDS->SetGeoTransform(gt);
6242 19 : poDS->SetProjection(pszWKT);
6243 19 : CPLFree(pszWKT);
6244 19 : pszWKT = nullptr;
6245 24 : if (nTargetBands == 1 && nBands == 1 &&
6246 5 : poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr)
6247 : {
6248 2 : poDS->GetRasterBand(1)->SetColorTable(
6249 1 : poSrcDS->GetRasterBand(1)->GetColorTable());
6250 : }
6251 :
6252 : hTransformArg =
6253 19 : GDALCreateGenImgProjTransformer2(poSrcDS, poDS.get(), papszTO);
6254 19 : CSLDestroy(papszTO);
6255 19 : if (hTransformArg == nullptr)
6256 : {
6257 0 : return nullptr;
6258 : }
6259 :
6260 19 : poDS->SetMetadata(poSrcDS->GetMetadata());
6261 :
6262 : /* -------------------------------------------------------------------- */
6263 : /* Warp the transformer with a linear approximator */
6264 : /* -------------------------------------------------------------------- */
6265 19 : hTransformArg = GDALCreateApproxTransformer(GDALGenImgProjTransform,
6266 : hTransformArg, 0.125);
6267 19 : GDALApproxTransformerOwnsSubtransformer(hTransformArg, TRUE);
6268 :
6269 : /* -------------------------------------------------------------------- */
6270 : /* Setup warp options. */
6271 : /* -------------------------------------------------------------------- */
6272 19 : GDALWarpOptions *psWO = GDALCreateWarpOptions();
6273 :
6274 19 : psWO->papszWarpOptions = CSLSetNameValue(nullptr, "OPTIMIZE_SIZE", "YES");
6275 19 : psWO->papszWarpOptions =
6276 19 : CSLSetNameValue(psWO->papszWarpOptions, "SAMPLE_GRID", "YES");
6277 19 : if (bHasNoData)
6278 : {
6279 3 : if (dfNoDataValue == 0.0)
6280 : {
6281 : // Do not initialize in the case where nodata != 0, since we
6282 : // want the GeoPackage driver to return empty tiles at the nodata
6283 : // value instead of 0 as GDAL core would
6284 0 : psWO->papszWarpOptions =
6285 0 : CSLSetNameValue(psWO->papszWarpOptions, "INIT_DEST", "0");
6286 : }
6287 :
6288 3 : psWO->padfSrcNoDataReal =
6289 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6290 3 : psWO->padfSrcNoDataReal[0] = dfNoDataValue;
6291 :
6292 3 : psWO->padfDstNoDataReal =
6293 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6294 3 : psWO->padfDstNoDataReal[0] = dfNoDataValue;
6295 : }
6296 19 : psWO->eWorkingDataType = eDT;
6297 19 : psWO->eResampleAlg = eResampleAlg;
6298 :
6299 19 : psWO->hSrcDS = poSrcDS;
6300 19 : psWO->hDstDS = poDS.get();
6301 :
6302 19 : psWO->pfnTransformer = GDALApproxTransform;
6303 19 : psWO->pTransformerArg = hTransformArg;
6304 :
6305 19 : psWO->pfnProgress = pfnProgress;
6306 19 : psWO->pProgressArg = pProgressData;
6307 :
6308 : /* -------------------------------------------------------------------- */
6309 : /* Setup band mapping. */
6310 : /* -------------------------------------------------------------------- */
6311 :
6312 19 : if (nBands == 2 || nBands == 4)
6313 1 : psWO->nBandCount = nBands - 1;
6314 : else
6315 18 : psWO->nBandCount = nBands;
6316 :
6317 19 : psWO->panSrcBands =
6318 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6319 19 : psWO->panDstBands =
6320 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6321 :
6322 46 : for (int i = 0; i < psWO->nBandCount; i++)
6323 : {
6324 27 : psWO->panSrcBands[i] = i + 1;
6325 27 : psWO->panDstBands[i] = i + 1;
6326 : }
6327 :
6328 19 : if (nBands == 2 || nBands == 4)
6329 : {
6330 1 : psWO->nSrcAlphaBand = nBands;
6331 : }
6332 19 : if (nTargetBands == 2 || nTargetBands == 4)
6333 : {
6334 13 : psWO->nDstAlphaBand = nTargetBands;
6335 : }
6336 :
6337 : /* -------------------------------------------------------------------- */
6338 : /* Initialize and execute the warp. */
6339 : /* -------------------------------------------------------------------- */
6340 38 : GDALWarpOperation oWO;
6341 :
6342 19 : CPLErr eErr = oWO.Initialize(psWO);
6343 19 : if (eErr == CE_None)
6344 : {
6345 : /*if( bMulti )
6346 : eErr = oWO.ChunkAndWarpMulti( 0, 0, nXSize, nYSize );
6347 : else*/
6348 19 : eErr = oWO.ChunkAndWarpImage(0, 0, nXSize, nYSize);
6349 : }
6350 19 : if (eErr != CE_None)
6351 : {
6352 0 : poDS.reset();
6353 : }
6354 :
6355 19 : GDALDestroyTransformer(hTransformArg);
6356 19 : GDALDestroyWarpOptions(psWO);
6357 :
6358 19 : if (poDS)
6359 19 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
6360 :
6361 19 : return poDS.release();
6362 : }
6363 :
6364 : /************************************************************************/
6365 : /* ParseCompressionOptions() */
6366 : /************************************************************************/
6367 :
6368 467 : void GDALGeoPackageDataset::ParseCompressionOptions(CSLConstList papszOptions)
6369 : {
6370 467 : const char *pszZLevel = CSLFetchNameValue(papszOptions, "ZLEVEL");
6371 467 : if (pszZLevel)
6372 0 : m_nZLevel = atoi(pszZLevel);
6373 :
6374 467 : const char *pszQuality = CSLFetchNameValue(papszOptions, "QUALITY");
6375 467 : if (pszQuality)
6376 0 : m_nQuality = atoi(pszQuality);
6377 :
6378 467 : const char *pszDither = CSLFetchNameValue(papszOptions, "DITHER");
6379 467 : if (pszDither)
6380 0 : m_bDither = CPLTestBool(pszDither);
6381 467 : }
6382 :
6383 : /************************************************************************/
6384 : /* RegisterWebPExtension() */
6385 : /************************************************************************/
6386 :
6387 11 : bool GDALGeoPackageDataset::RegisterWebPExtension()
6388 : {
6389 11 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6390 0 : return false;
6391 :
6392 11 : char *pszSQL = sqlite3_mprintf(
6393 : "INSERT INTO gpkg_extensions "
6394 : "(table_name, column_name, extension_name, definition, scope) "
6395 : "VALUES "
6396 : "('%q', 'tile_data', 'gpkg_webp', "
6397 : "'http://www.geopackage.org/spec120/#extension_tiles_webp', "
6398 : "'read-write')",
6399 : m_osRasterTable.c_str());
6400 11 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6401 11 : sqlite3_free(pszSQL);
6402 :
6403 11 : return OGRERR_NONE == eErr;
6404 : }
6405 :
6406 : /************************************************************************/
6407 : /* RegisterZoomOtherExtension() */
6408 : /************************************************************************/
6409 :
6410 1 : bool GDALGeoPackageDataset::RegisterZoomOtherExtension()
6411 : {
6412 1 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6413 0 : return false;
6414 :
6415 1 : char *pszSQL = sqlite3_mprintf(
6416 : "INSERT INTO gpkg_extensions "
6417 : "(table_name, column_name, extension_name, definition, scope) "
6418 : "VALUES "
6419 : "('%q', 'tile_data', 'gpkg_zoom_other', "
6420 : "'http://www.geopackage.org/spec120/#extension_zoom_other_intervals', "
6421 : "'read-write')",
6422 : m_osRasterTable.c_str());
6423 1 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6424 1 : sqlite3_free(pszSQL);
6425 1 : return OGRERR_NONE == eErr;
6426 : }
6427 :
6428 : /************************************************************************/
6429 : /* GetLayer() */
6430 : /************************************************************************/
6431 :
6432 16818 : const OGRLayer *GDALGeoPackageDataset::GetLayer(int iLayer) const
6433 :
6434 : {
6435 16818 : if (iLayer < 0 || iLayer >= static_cast<int>(m_apoLayers.size()))
6436 7 : return nullptr;
6437 : else
6438 16811 : return m_apoLayers[iLayer].get();
6439 : }
6440 :
6441 : /************************************************************************/
6442 : /* LaunderName() */
6443 : /************************************************************************/
6444 :
6445 : /** Launder identifiers (table, column names) according to guidance at
6446 : * https://www.geopackage.org/guidance/getting-started.html:
6447 : * "For maximum interoperability, start your database identifiers (table names,
6448 : * column names, etc.) with a lowercase character and only use lowercase
6449 : * characters, numbers 0-9, and underscores (_)."
6450 : */
6451 :
6452 : /* static */
6453 5 : std::string GDALGeoPackageDataset::LaunderName(const std::string &osStr)
6454 : {
6455 5 : char *pszASCII = CPLUTF8ForceToASCII(osStr.c_str(), '_');
6456 10 : const std::string osStrASCII(pszASCII);
6457 5 : CPLFree(pszASCII);
6458 :
6459 10 : std::string osRet;
6460 5 : osRet.reserve(osStrASCII.size());
6461 :
6462 29 : for (size_t i = 0; i < osStrASCII.size(); ++i)
6463 : {
6464 24 : if (osRet.empty())
6465 : {
6466 5 : if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6467 : {
6468 2 : osRet += (osStrASCII[i] - 'A' + 'a');
6469 : }
6470 3 : else if (osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z')
6471 : {
6472 2 : osRet += osStrASCII[i];
6473 : }
6474 : else
6475 : {
6476 1 : continue;
6477 : }
6478 : }
6479 19 : else if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6480 : {
6481 11 : osRet += (osStrASCII[i] - 'A' + 'a');
6482 : }
6483 9 : else if ((osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z') ||
6484 14 : (osStrASCII[i] >= '0' && osStrASCII[i] <= '9') ||
6485 5 : osStrASCII[i] == '_')
6486 : {
6487 7 : osRet += osStrASCII[i];
6488 : }
6489 : else
6490 : {
6491 1 : osRet += '_';
6492 : }
6493 : }
6494 :
6495 5 : if (osRet.empty() && !osStrASCII.empty())
6496 2 : return LaunderName(std::string("x").append(osStrASCII));
6497 :
6498 4 : if (osRet != osStr)
6499 : {
6500 3 : CPLDebug("PG", "LaunderName('%s') -> '%s'", osStr.c_str(),
6501 : osRet.c_str());
6502 : }
6503 :
6504 4 : return osRet;
6505 : }
6506 :
6507 : /************************************************************************/
6508 : /* ICreateLayer() */
6509 : /************************************************************************/
6510 :
6511 : OGRLayer *
6512 949 : GDALGeoPackageDataset::ICreateLayer(const char *pszLayerName,
6513 : const OGRGeomFieldDefn *poSrcGeomFieldDefn,
6514 : CSLConstList papszOptions)
6515 : {
6516 : /* -------------------------------------------------------------------- */
6517 : /* Verify we are in update mode. */
6518 : /* -------------------------------------------------------------------- */
6519 949 : if (!GetUpdate())
6520 : {
6521 0 : CPLError(CE_Failure, CPLE_NoWriteAccess,
6522 : "Data source %s opened read-only.\n"
6523 : "New layer %s cannot be created.\n",
6524 : m_pszFilename, pszLayerName);
6525 :
6526 0 : return nullptr;
6527 : }
6528 :
6529 : const bool bLaunder =
6530 949 : CPLTestBool(CSLFetchNameValueDef(papszOptions, "LAUNDER", "NO"));
6531 : const std::string osTableName(bLaunder ? LaunderName(pszLayerName)
6532 2847 : : std::string(pszLayerName));
6533 :
6534 : const auto eGType =
6535 949 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetType() : wkbNone;
6536 : const auto poSpatialRef =
6537 949 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetSpatialRef() : nullptr;
6538 :
6539 949 : if (!m_bHasGPKGGeometryColumns)
6540 : {
6541 1 : if (SQLCommand(hDB, pszCREATE_GPKG_GEOMETRY_COLUMNS) != OGRERR_NONE)
6542 : {
6543 0 : return nullptr;
6544 : }
6545 1 : m_bHasGPKGGeometryColumns = true;
6546 : }
6547 :
6548 : // Check identifier unicity
6549 949 : const char *pszIdentifier = CSLFetchNameValue(papszOptions, "IDENTIFIER");
6550 949 : if (pszIdentifier != nullptr && pszIdentifier[0] == '\0')
6551 0 : pszIdentifier = nullptr;
6552 949 : if (pszIdentifier != nullptr)
6553 : {
6554 13 : for (auto &poLayer : m_apoLayers)
6555 : {
6556 : const char *pszOtherIdentifier =
6557 9 : poLayer->GetMetadataItem("IDENTIFIER");
6558 9 : if (pszOtherIdentifier == nullptr)
6559 6 : pszOtherIdentifier = poLayer->GetName();
6560 18 : if (pszOtherIdentifier != nullptr &&
6561 12 : EQUAL(pszOtherIdentifier, pszIdentifier) &&
6562 3 : !EQUAL(poLayer->GetName(), osTableName.c_str()))
6563 : {
6564 2 : CPLError(CE_Failure, CPLE_AppDefined,
6565 : "Identifier %s is already used by table %s",
6566 : pszIdentifier, poLayer->GetName());
6567 2 : return nullptr;
6568 : }
6569 : }
6570 :
6571 : // In case there would be table in gpkg_contents not listed as a
6572 : // vector layer
6573 4 : char *pszSQL = sqlite3_mprintf(
6574 : "SELECT table_name FROM gpkg_contents WHERE identifier = '%q' "
6575 : "LIMIT 2",
6576 : pszIdentifier);
6577 4 : auto oResult = SQLQuery(hDB, pszSQL);
6578 4 : sqlite3_free(pszSQL);
6579 8 : if (oResult && oResult->RowCount() > 0 &&
6580 9 : oResult->GetValue(0, 0) != nullptr &&
6581 1 : !EQUAL(oResult->GetValue(0, 0), osTableName.c_str()))
6582 : {
6583 1 : CPLError(CE_Failure, CPLE_AppDefined,
6584 : "Identifier %s is already used by table %s", pszIdentifier,
6585 : oResult->GetValue(0, 0));
6586 1 : return nullptr;
6587 : }
6588 : }
6589 :
6590 : /* Read GEOMETRY_NAME option */
6591 : const char *pszGeomColumnName =
6592 946 : CSLFetchNameValue(papszOptions, "GEOMETRY_NAME");
6593 946 : if (pszGeomColumnName == nullptr) /* deprecated name */
6594 859 : pszGeomColumnName = CSLFetchNameValue(papszOptions, "GEOMETRY_COLUMN");
6595 946 : if (pszGeomColumnName == nullptr && poSrcGeomFieldDefn)
6596 : {
6597 777 : pszGeomColumnName = poSrcGeomFieldDefn->GetNameRef();
6598 777 : if (pszGeomColumnName && pszGeomColumnName[0] == 0)
6599 742 : pszGeomColumnName = nullptr;
6600 : }
6601 946 : if (pszGeomColumnName == nullptr)
6602 824 : pszGeomColumnName = "geom";
6603 : const bool bGeomNullable =
6604 946 : CPLFetchBool(papszOptions, "GEOMETRY_NULLABLE", true);
6605 :
6606 : /* Read FID option */
6607 946 : const char *pszFIDColumnName = CSLFetchNameValue(papszOptions, "FID");
6608 946 : if (pszFIDColumnName == nullptr)
6609 855 : pszFIDColumnName = "fid";
6610 :
6611 946 : if (CPLTestBool(CPLGetConfigOption("GPKG_NAME_CHECK", "YES")))
6612 : {
6613 946 : if (strspn(pszFIDColumnName, "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") > 0)
6614 : {
6615 2 : CPLError(CE_Failure, CPLE_AppDefined,
6616 : "The primary key (%s) name may not contain special "
6617 : "characters or spaces",
6618 : pszFIDColumnName);
6619 2 : return nullptr;
6620 : }
6621 :
6622 : /* Avoiding gpkg prefixes is not an official requirement, but seems wise
6623 : */
6624 944 : if (STARTS_WITH(osTableName.c_str(), "gpkg"))
6625 : {
6626 0 : CPLError(CE_Failure, CPLE_AppDefined,
6627 : "The layer name may not begin with 'gpkg' as it is a "
6628 : "reserved geopackage prefix");
6629 0 : return nullptr;
6630 : }
6631 :
6632 : /* Preemptively try and avoid sqlite3 syntax errors due to */
6633 : /* illegal characters. */
6634 944 : if (strspn(osTableName.c_str(), "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") >
6635 : 0)
6636 : {
6637 0 : CPLError(
6638 : CE_Failure, CPLE_AppDefined,
6639 : "The layer name may not contain special characters or spaces");
6640 0 : return nullptr;
6641 : }
6642 : }
6643 :
6644 : /* Check for any existing layers that already use this name */
6645 1187 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6646 : iLayer++)
6647 : {
6648 244 : if (EQUAL(osTableName.c_str(), m_apoLayers[iLayer]->GetName()))
6649 : {
6650 : const char *pszOverwrite =
6651 2 : CSLFetchNameValue(papszOptions, "OVERWRITE");
6652 2 : if (pszOverwrite != nullptr && CPLTestBool(pszOverwrite))
6653 : {
6654 1 : DeleteLayer(iLayer);
6655 : }
6656 : else
6657 : {
6658 1 : CPLError(CE_Failure, CPLE_AppDefined,
6659 : "Layer %s already exists, CreateLayer failed.\n"
6660 : "Use the layer creation option OVERWRITE=YES to "
6661 : "replace it.",
6662 : osTableName.c_str());
6663 1 : return nullptr;
6664 : }
6665 : }
6666 : }
6667 :
6668 943 : if (m_apoLayers.size() == 1)
6669 : {
6670 : // Async RTree building doesn't play well with multiple layer:
6671 : // SQLite3 locks being hold for a long time, random failed commits,
6672 : // etc.
6673 95 : m_apoLayers[0]->FinishOrDisableThreadedRTree();
6674 : }
6675 :
6676 : /* Create a blank layer. */
6677 : auto poLayer =
6678 1886 : std::make_unique<OGRGeoPackageTableLayer>(this, osTableName.c_str());
6679 :
6680 1886 : OGRSpatialReferenceRefCountedPtr poSRS;
6681 943 : if (poSpatialRef)
6682 : {
6683 313 : poSRS = OGRSpatialReferenceRefCountedPtr::makeClone(poSpatialRef);
6684 313 : poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
6685 : }
6686 2830 : poLayer->SetCreationParameters(
6687 : eGType,
6688 944 : bLaunder ? LaunderName(pszGeomColumnName).c_str() : pszGeomColumnName,
6689 943 : bGeomNullable, poSRS.get(), CSLFetchNameValue(papszOptions, "SRID"),
6690 1886 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetCoordinatePrecision()
6691 : : OGRGeomCoordinatePrecision(),
6692 943 : CPLTestBool(
6693 : CSLFetchNameValueDef(papszOptions, "DISCARD_COORD_LSB", "NO")),
6694 943 : CPLTestBool(CSLFetchNameValueDef(
6695 : papszOptions, "UNDO_DISCARD_COORD_LSB_ON_READING", "NO")),
6696 944 : bLaunder ? LaunderName(pszFIDColumnName).c_str() : pszFIDColumnName,
6697 : pszIdentifier, CSLFetchNameValue(papszOptions, "DESCRIPTION"));
6698 :
6699 943 : poLayer->SetLaunder(bLaunder);
6700 :
6701 : /* Should we create a spatial index ? */
6702 943 : const char *pszSI = CSLFetchNameValue(papszOptions, "SPATIAL_INDEX");
6703 943 : int bCreateSpatialIndex = (pszSI == nullptr || CPLTestBool(pszSI));
6704 943 : if (eGType != wkbNone && bCreateSpatialIndex)
6705 : {
6706 839 : poLayer->SetDeferredSpatialIndexCreation(true);
6707 : }
6708 :
6709 943 : poLayer->SetPrecisionFlag(CPLFetchBool(papszOptions, "PRECISION", true));
6710 943 : poLayer->SetTruncateFieldsFlag(
6711 943 : CPLFetchBool(papszOptions, "TRUNCATE_FIELDS", false));
6712 943 : if (eGType == wkbNone)
6713 : {
6714 82 : const char *pszASpatialVariant = CSLFetchNameValueDef(
6715 : papszOptions, "ASPATIAL_VARIANT",
6716 82 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound
6717 : ? "NOT_REGISTERED"
6718 : : "GPKG_ATTRIBUTES");
6719 82 : GPKGASpatialVariant eASpatialVariant = GPKG_ATTRIBUTES;
6720 82 : if (EQUAL(pszASpatialVariant, "GPKG_ATTRIBUTES"))
6721 70 : eASpatialVariant = GPKG_ATTRIBUTES;
6722 12 : else if (EQUAL(pszASpatialVariant, "OGR_ASPATIAL"))
6723 : {
6724 0 : CPLError(CE_Failure, CPLE_NotSupported,
6725 : "ASPATIAL_VARIANT=OGR_ASPATIAL is no longer supported");
6726 0 : return nullptr;
6727 : }
6728 12 : else if (EQUAL(pszASpatialVariant, "NOT_REGISTERED"))
6729 12 : eASpatialVariant = NOT_REGISTERED;
6730 : else
6731 : {
6732 0 : CPLError(CE_Failure, CPLE_NotSupported,
6733 : "Unsupported value for ASPATIAL_VARIANT: %s",
6734 : pszASpatialVariant);
6735 0 : return nullptr;
6736 : }
6737 82 : poLayer->SetASpatialVariant(eASpatialVariant);
6738 : }
6739 :
6740 : const char *pszDateTimePrecision =
6741 943 : CSLFetchNameValueDef(papszOptions, "DATETIME_PRECISION", "AUTO");
6742 943 : if (EQUAL(pszDateTimePrecision, "MILLISECOND"))
6743 : {
6744 2 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6745 : }
6746 941 : else if (EQUAL(pszDateTimePrecision, "SECOND"))
6747 : {
6748 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6749 0 : CPLError(
6750 : CE_Warning, CPLE_AppDefined,
6751 : "DATETIME_PRECISION=SECOND is only valid since GeoPackage 1.4");
6752 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::SECOND);
6753 : }
6754 940 : else if (EQUAL(pszDateTimePrecision, "MINUTE"))
6755 : {
6756 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6757 0 : CPLError(
6758 : CE_Warning, CPLE_AppDefined,
6759 : "DATETIME_PRECISION=MINUTE is only valid since GeoPackage 1.4");
6760 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MINUTE);
6761 : }
6762 939 : else if (EQUAL(pszDateTimePrecision, "AUTO"))
6763 : {
6764 938 : if (m_nUserVersion < GPKG_1_4_VERSION)
6765 13 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6766 : }
6767 : else
6768 : {
6769 1 : CPLError(CE_Failure, CPLE_NotSupported,
6770 : "Unsupported value for DATETIME_PRECISION: %s",
6771 : pszDateTimePrecision);
6772 1 : return nullptr;
6773 : }
6774 :
6775 : // If there was an ogr_empty_table table, we can remove it
6776 : // But do it at dataset closing, otherwise locking performance issues
6777 : // can arise (probably when transactions are used).
6778 942 : m_bRemoveOGREmptyTable = true;
6779 :
6780 942 : m_apoLayers.emplace_back(std::move(poLayer));
6781 942 : return m_apoLayers.back().get();
6782 : }
6783 :
6784 : /************************************************************************/
6785 : /* FindLayerIndex() */
6786 : /************************************************************************/
6787 :
6788 29 : int GDALGeoPackageDataset::FindLayerIndex(const char *pszLayerName)
6789 :
6790 : {
6791 51 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6792 : iLayer++)
6793 : {
6794 35 : if (EQUAL(pszLayerName, m_apoLayers[iLayer]->GetName()))
6795 13 : return iLayer;
6796 : }
6797 16 : return -1;
6798 : }
6799 :
6800 : /************************************************************************/
6801 : /* DeleteLayerCommon() */
6802 : /************************************************************************/
6803 :
6804 43 : OGRErr GDALGeoPackageDataset::DeleteLayerCommon(const char *pszLayerName)
6805 : {
6806 : // Temporary remove foreign key checks
6807 : const GPKGTemporaryForeignKeyCheckDisabler
6808 43 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6809 :
6810 43 : char *pszSQL = sqlite3_mprintf(
6811 : "DELETE FROM gpkg_contents WHERE lower(table_name) = lower('%q')",
6812 : pszLayerName);
6813 43 : OGRErr eErr = SQLCommand(hDB, pszSQL);
6814 43 : sqlite3_free(pszSQL);
6815 :
6816 43 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6817 : {
6818 41 : pszSQL = sqlite3_mprintf(
6819 : "DELETE FROM gpkg_extensions WHERE lower(table_name) = lower('%q')",
6820 : pszLayerName);
6821 41 : eErr = SQLCommand(hDB, pszSQL);
6822 41 : sqlite3_free(pszSQL);
6823 : }
6824 :
6825 43 : if (eErr == OGRERR_NONE && HasMetadataTables())
6826 : {
6827 : // Delete from gpkg_metadata metadata records that are only referenced
6828 : // by the table we are about to drop
6829 12 : pszSQL = sqlite3_mprintf(
6830 : "DELETE FROM gpkg_metadata WHERE id IN ("
6831 : "SELECT DISTINCT md_file_id FROM "
6832 : "gpkg_metadata_reference WHERE "
6833 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6834 : "AND id NOT IN ("
6835 : "SELECT DISTINCT md_file_id FROM gpkg_metadata_reference WHERE "
6836 : "md_file_id IN (SELECT DISTINCT md_file_id FROM "
6837 : "gpkg_metadata_reference WHERE "
6838 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6839 : "AND lower(table_name) <> lower('%q'))",
6840 : pszLayerName, pszLayerName, pszLayerName);
6841 12 : eErr = SQLCommand(hDB, pszSQL);
6842 12 : sqlite3_free(pszSQL);
6843 :
6844 12 : if (eErr == OGRERR_NONE)
6845 : {
6846 : pszSQL =
6847 12 : sqlite3_mprintf("DELETE FROM gpkg_metadata_reference WHERE "
6848 : "lower(table_name) = lower('%q')",
6849 : pszLayerName);
6850 12 : eErr = SQLCommand(hDB, pszSQL);
6851 12 : sqlite3_free(pszSQL);
6852 : }
6853 : }
6854 :
6855 43 : if (eErr == OGRERR_NONE && HasGpkgextRelationsTable())
6856 : {
6857 : // Remove reference to potential corresponding mapping table in
6858 : // gpkg_extensions
6859 4 : pszSQL = sqlite3_mprintf(
6860 : "DELETE FROM gpkg_extensions WHERE "
6861 : "extension_name IN ('related_tables', "
6862 : "'gpkg_related_tables') AND lower(table_name) = "
6863 : "(SELECT lower(mapping_table_name) FROM gpkgext_relations WHERE "
6864 : "lower(base_table_name) = lower('%q') OR "
6865 : "lower(related_table_name) = lower('%q') OR "
6866 : "lower(mapping_table_name) = lower('%q'))",
6867 : pszLayerName, pszLayerName, pszLayerName);
6868 4 : eErr = SQLCommand(hDB, pszSQL);
6869 4 : sqlite3_free(pszSQL);
6870 :
6871 4 : if (eErr == OGRERR_NONE)
6872 : {
6873 : // Remove reference to potential corresponding mapping table in
6874 : // gpkgext_relations
6875 : pszSQL =
6876 4 : sqlite3_mprintf("DELETE FROM gpkgext_relations WHERE "
6877 : "lower(base_table_name) = lower('%q') OR "
6878 : "lower(related_table_name) = lower('%q') OR "
6879 : "lower(mapping_table_name) = lower('%q')",
6880 : pszLayerName, pszLayerName, pszLayerName);
6881 4 : eErr = SQLCommand(hDB, pszSQL);
6882 4 : sqlite3_free(pszSQL);
6883 : }
6884 :
6885 4 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6886 : {
6887 : // If there is no longer any mapping table, then completely
6888 : // remove any reference to the extension in gpkg_extensions
6889 : // as mandated per the related table specification.
6890 : OGRErr err;
6891 4 : if (SQLGetInteger(hDB,
6892 : "SELECT COUNT(*) FROM gpkg_extensions WHERE "
6893 : "extension_name IN ('related_tables', "
6894 : "'gpkg_related_tables') AND "
6895 : "lower(table_name) != 'gpkgext_relations'",
6896 4 : &err) == 0)
6897 : {
6898 2 : eErr = SQLCommand(hDB, "DELETE FROM gpkg_extensions WHERE "
6899 : "extension_name IN ('related_tables', "
6900 : "'gpkg_related_tables')");
6901 : }
6902 :
6903 4 : ClearCachedRelationships();
6904 : }
6905 : }
6906 :
6907 43 : if (eErr == OGRERR_NONE)
6908 : {
6909 43 : pszSQL = sqlite3_mprintf("DROP TABLE \"%w\"", pszLayerName);
6910 43 : eErr = SQLCommand(hDB, pszSQL);
6911 43 : sqlite3_free(pszSQL);
6912 : }
6913 :
6914 : // Check foreign key integrity
6915 43 : if (eErr == OGRERR_NONE)
6916 : {
6917 43 : eErr = PragmaCheck("foreign_key_check", "", 0);
6918 : }
6919 :
6920 86 : return eErr;
6921 : }
6922 :
6923 : /************************************************************************/
6924 : /* DeleteLayer() */
6925 : /************************************************************************/
6926 :
6927 40 : OGRErr GDALGeoPackageDataset::DeleteLayer(int iLayer)
6928 : {
6929 79 : if (!GetUpdate() || iLayer < 0 ||
6930 39 : iLayer >= static_cast<int>(m_apoLayers.size()))
6931 2 : return OGRERR_FAILURE;
6932 :
6933 38 : m_apoLayers[iLayer]->ResetReading();
6934 38 : m_apoLayers[iLayer]->SyncToDisk();
6935 :
6936 76 : CPLString osLayerName = m_apoLayers[iLayer]->GetName();
6937 :
6938 38 : CPLDebug("GPKG", "DeleteLayer(%s)", osLayerName.c_str());
6939 :
6940 : // Temporary remove foreign key checks
6941 : const GPKGTemporaryForeignKeyCheckDisabler
6942 38 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6943 :
6944 38 : OGRErr eErr = SoftStartTransaction();
6945 :
6946 38 : if (eErr == OGRERR_NONE)
6947 : {
6948 38 : if (m_apoLayers[iLayer]->HasSpatialIndex())
6949 35 : m_apoLayers[iLayer]->DropSpatialIndex();
6950 :
6951 : char *pszSQL =
6952 38 : sqlite3_mprintf("DELETE FROM gpkg_geometry_columns WHERE "
6953 : "lower(table_name) = lower('%q')",
6954 : osLayerName.c_str());
6955 38 : eErr = SQLCommand(hDB, pszSQL);
6956 38 : sqlite3_free(pszSQL);
6957 : }
6958 :
6959 38 : if (eErr == OGRERR_NONE && HasDataColumnsTable())
6960 : {
6961 1 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_data_columns WHERE "
6962 : "lower(table_name) = lower('%q')",
6963 : osLayerName.c_str());
6964 1 : eErr = SQLCommand(hDB, pszSQL);
6965 1 : sqlite3_free(pszSQL);
6966 : }
6967 :
6968 : #ifdef ENABLE_GPKG_OGR_CONTENTS
6969 38 : if (eErr == OGRERR_NONE && m_bHasGPKGOGRContents)
6970 : {
6971 38 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_ogr_contents WHERE "
6972 : "lower(table_name) = lower('%q')",
6973 : osLayerName.c_str());
6974 38 : eErr = SQLCommand(hDB, pszSQL);
6975 38 : sqlite3_free(pszSQL);
6976 : }
6977 : #endif
6978 :
6979 38 : if (eErr == OGRERR_NONE)
6980 : {
6981 38 : eErr = DeleteLayerCommon(osLayerName.c_str());
6982 : }
6983 :
6984 38 : if (eErr == OGRERR_NONE)
6985 : {
6986 38 : eErr = SoftCommitTransaction();
6987 38 : if (eErr == OGRERR_NONE)
6988 : {
6989 : /* Delete the layer object */
6990 38 : m_apoLayers.erase(m_apoLayers.begin() + iLayer);
6991 : }
6992 : }
6993 : else
6994 : {
6995 0 : SoftRollbackTransaction();
6996 : }
6997 :
6998 38 : return eErr;
6999 : }
7000 :
7001 : /************************************************************************/
7002 : /* DeleteRasterLayer() */
7003 : /************************************************************************/
7004 :
7005 2 : OGRErr GDALGeoPackageDataset::DeleteRasterLayer(const char *pszLayerName)
7006 : {
7007 : // Temporary remove foreign key checks
7008 : const GPKGTemporaryForeignKeyCheckDisabler
7009 2 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7010 :
7011 2 : OGRErr eErr = SoftStartTransaction();
7012 :
7013 2 : if (eErr == OGRERR_NONE)
7014 : {
7015 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix WHERE "
7016 : "lower(table_name) = lower('%q')",
7017 : pszLayerName);
7018 2 : eErr = SQLCommand(hDB, pszSQL);
7019 2 : sqlite3_free(pszSQL);
7020 : }
7021 :
7022 2 : if (eErr == OGRERR_NONE)
7023 : {
7024 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix_set WHERE "
7025 : "lower(table_name) = lower('%q')",
7026 : pszLayerName);
7027 2 : eErr = SQLCommand(hDB, pszSQL);
7028 2 : sqlite3_free(pszSQL);
7029 : }
7030 :
7031 2 : if (eErr == OGRERR_NONE && HasGriddedCoverageAncillaryTable())
7032 : {
7033 : char *pszSQL =
7034 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_coverage_ancillary "
7035 : "WHERE lower(tile_matrix_set_name) = lower('%q')",
7036 : pszLayerName);
7037 1 : eErr = SQLCommand(hDB, pszSQL);
7038 1 : sqlite3_free(pszSQL);
7039 :
7040 1 : if (eErr == OGRERR_NONE)
7041 : {
7042 : pszSQL =
7043 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_tile_ancillary "
7044 : "WHERE lower(tpudt_name) = lower('%q')",
7045 : pszLayerName);
7046 1 : eErr = SQLCommand(hDB, pszSQL);
7047 1 : sqlite3_free(pszSQL);
7048 : }
7049 : }
7050 :
7051 2 : if (eErr == OGRERR_NONE)
7052 : {
7053 2 : eErr = DeleteLayerCommon(pszLayerName);
7054 : }
7055 :
7056 2 : if (eErr == OGRERR_NONE)
7057 : {
7058 2 : eErr = SoftCommitTransaction();
7059 : }
7060 : else
7061 : {
7062 0 : SoftRollbackTransaction();
7063 : }
7064 :
7065 4 : return eErr;
7066 : }
7067 :
7068 : /************************************************************************/
7069 : /* DeleteVectorOrRasterLayer() */
7070 : /************************************************************************/
7071 :
7072 13 : bool GDALGeoPackageDataset::DeleteVectorOrRasterLayer(const char *pszLayerName)
7073 : {
7074 :
7075 13 : int idx = FindLayerIndex(pszLayerName);
7076 13 : if (idx >= 0)
7077 : {
7078 5 : DeleteLayer(idx);
7079 5 : return true;
7080 : }
7081 :
7082 : char *pszSQL =
7083 8 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7084 : "lower(table_name) = lower('%q') "
7085 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7086 : pszLayerName);
7087 8 : bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7088 8 : sqlite3_free(pszSQL);
7089 8 : if (bIsRasterTable)
7090 : {
7091 2 : DeleteRasterLayer(pszLayerName);
7092 2 : return true;
7093 : }
7094 6 : return false;
7095 : }
7096 :
7097 7 : bool GDALGeoPackageDataset::RenameVectorOrRasterLayer(
7098 : const char *pszLayerName, const char *pszNewLayerName)
7099 : {
7100 7 : int idx = FindLayerIndex(pszLayerName);
7101 7 : if (idx >= 0)
7102 : {
7103 4 : m_apoLayers[idx]->Rename(pszNewLayerName);
7104 4 : return true;
7105 : }
7106 :
7107 : char *pszSQL =
7108 3 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7109 : "lower(table_name) = lower('%q') "
7110 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7111 : pszLayerName);
7112 3 : const bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7113 3 : sqlite3_free(pszSQL);
7114 :
7115 3 : if (bIsRasterTable)
7116 : {
7117 2 : return RenameRasterLayer(pszLayerName, pszNewLayerName);
7118 : }
7119 :
7120 1 : return false;
7121 : }
7122 :
7123 2 : bool GDALGeoPackageDataset::RenameRasterLayer(const char *pszLayerName,
7124 : const char *pszNewLayerName)
7125 : {
7126 4 : std::string osSQL;
7127 :
7128 2 : char *pszSQL = sqlite3_mprintf(
7129 : "SELECT 1 FROM sqlite_master WHERE lower(name) = lower('%q') "
7130 : "AND type IN ('table', 'view')",
7131 : pszNewLayerName);
7132 2 : const bool bAlreadyExists = SQLGetInteger(GetDB(), pszSQL, nullptr) == 1;
7133 2 : sqlite3_free(pszSQL);
7134 2 : if (bAlreadyExists)
7135 : {
7136 0 : CPLError(CE_Failure, CPLE_AppDefined, "Table %s already exists",
7137 : pszNewLayerName);
7138 0 : return false;
7139 : }
7140 :
7141 : // Temporary remove foreign key checks
7142 : const GPKGTemporaryForeignKeyCheckDisabler
7143 4 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7144 :
7145 2 : if (SoftStartTransaction() != OGRERR_NONE)
7146 : {
7147 0 : return false;
7148 : }
7149 :
7150 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET table_name = '%q' WHERE "
7151 : "lower(table_name) = lower('%q');",
7152 : pszNewLayerName, pszLayerName);
7153 2 : osSQL = pszSQL;
7154 2 : sqlite3_free(pszSQL);
7155 :
7156 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' WHERE "
7157 : "lower(identifier) = lower('%q');",
7158 : pszNewLayerName, pszLayerName);
7159 2 : osSQL += pszSQL;
7160 2 : sqlite3_free(pszSQL);
7161 :
7162 : pszSQL =
7163 2 : sqlite3_mprintf("UPDATE gpkg_tile_matrix SET table_name = '%q' WHERE "
7164 : "lower(table_name) = lower('%q');",
7165 : pszNewLayerName, pszLayerName);
7166 2 : osSQL += pszSQL;
7167 2 : sqlite3_free(pszSQL);
7168 :
7169 2 : pszSQL = sqlite3_mprintf(
7170 : "UPDATE gpkg_tile_matrix_set 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 : if (HasGriddedCoverageAncillaryTable())
7177 : {
7178 1 : pszSQL = sqlite3_mprintf("UPDATE gpkg_2d_gridded_coverage_ancillary "
7179 : "SET tile_matrix_set_name = '%q' WHERE "
7180 : "lower(tile_matrix_set_name) = lower('%q');",
7181 : pszNewLayerName, pszLayerName);
7182 1 : osSQL += pszSQL;
7183 1 : sqlite3_free(pszSQL);
7184 :
7185 1 : pszSQL = sqlite3_mprintf(
7186 : "UPDATE gpkg_2d_gridded_tile_ancillary SET tpudt_name = '%q' WHERE "
7187 : "lower(tpudt_name) = lower('%q');",
7188 : pszNewLayerName, pszLayerName);
7189 1 : osSQL += pszSQL;
7190 1 : sqlite3_free(pszSQL);
7191 : }
7192 :
7193 2 : if (HasExtensionsTable())
7194 : {
7195 2 : pszSQL = sqlite3_mprintf(
7196 : "UPDATE gpkg_extensions SET table_name = '%q' WHERE "
7197 : "lower(table_name) = lower('%q');",
7198 : pszNewLayerName, pszLayerName);
7199 2 : osSQL += pszSQL;
7200 2 : sqlite3_free(pszSQL);
7201 : }
7202 :
7203 2 : if (HasMetadataTables())
7204 : {
7205 1 : pszSQL = sqlite3_mprintf(
7206 : "UPDATE gpkg_metadata_reference SET table_name = '%q' WHERE "
7207 : "lower(table_name) = lower('%q');",
7208 : pszNewLayerName, pszLayerName);
7209 1 : osSQL += pszSQL;
7210 1 : sqlite3_free(pszSQL);
7211 : }
7212 :
7213 2 : if (HasDataColumnsTable())
7214 : {
7215 0 : pszSQL = sqlite3_mprintf(
7216 : "UPDATE gpkg_data_columns SET table_name = '%q' WHERE "
7217 : "lower(table_name) = lower('%q');",
7218 : pszNewLayerName, pszLayerName);
7219 0 : osSQL += pszSQL;
7220 0 : sqlite3_free(pszSQL);
7221 : }
7222 :
7223 2 : if (HasQGISLayerStyles())
7224 : {
7225 : // Update QGIS styles
7226 : pszSQL =
7227 0 : sqlite3_mprintf("UPDATE layer_styles SET f_table_name = '%q' WHERE "
7228 : "lower(f_table_name) = lower('%q');",
7229 : pszNewLayerName, pszLayerName);
7230 0 : osSQL += pszSQL;
7231 0 : sqlite3_free(pszSQL);
7232 : }
7233 :
7234 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7235 2 : if (m_bHasGPKGOGRContents)
7236 : {
7237 2 : pszSQL = sqlite3_mprintf(
7238 : "UPDATE gpkg_ogr_contents SET table_name = '%q' WHERE "
7239 : "lower(table_name) = lower('%q');",
7240 : pszNewLayerName, pszLayerName);
7241 2 : osSQL += pszSQL;
7242 2 : sqlite3_free(pszSQL);
7243 : }
7244 : #endif
7245 :
7246 2 : if (HasGpkgextRelationsTable())
7247 : {
7248 0 : pszSQL = sqlite3_mprintf(
7249 : "UPDATE gpkgext_relations SET base_table_name = '%q' WHERE "
7250 : "lower(base_table_name) = lower('%q');",
7251 : pszNewLayerName, pszLayerName);
7252 0 : osSQL += pszSQL;
7253 0 : sqlite3_free(pszSQL);
7254 :
7255 0 : pszSQL = sqlite3_mprintf(
7256 : "UPDATE gpkgext_relations SET related_table_name = '%q' WHERE "
7257 : "lower(related_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 mapping_table_name = '%q' WHERE "
7264 : "lower(mapping_table_name) = lower('%q');",
7265 : pszNewLayerName, pszLayerName);
7266 0 : osSQL += pszSQL;
7267 0 : sqlite3_free(pszSQL);
7268 : }
7269 :
7270 : // Drop all triggers for the layer
7271 2 : pszSQL = sqlite3_mprintf("SELECT name FROM sqlite_master WHERE type = "
7272 : "'trigger' AND tbl_name = '%q'",
7273 : pszLayerName);
7274 2 : auto oTriggerResult = SQLQuery(GetDB(), pszSQL);
7275 2 : sqlite3_free(pszSQL);
7276 2 : if (oTriggerResult)
7277 : {
7278 14 : for (int i = 0; i < oTriggerResult->RowCount(); i++)
7279 : {
7280 12 : const char *pszTriggerName = oTriggerResult->GetValue(0, i);
7281 12 : pszSQL = sqlite3_mprintf("DROP TRIGGER IF EXISTS \"%w\";",
7282 : pszTriggerName);
7283 12 : osSQL += pszSQL;
7284 12 : sqlite3_free(pszSQL);
7285 : }
7286 : }
7287 :
7288 2 : pszSQL = sqlite3_mprintf("ALTER TABLE \"%w\" RENAME TO \"%w\";",
7289 : pszLayerName, pszNewLayerName);
7290 2 : osSQL += pszSQL;
7291 2 : sqlite3_free(pszSQL);
7292 :
7293 : // Recreate all zoom/tile triggers
7294 2 : if (oTriggerResult)
7295 : {
7296 2 : osSQL += CreateRasterTriggersSQL(pszNewLayerName);
7297 : }
7298 :
7299 2 : OGRErr eErr = SQLCommand(GetDB(), osSQL.c_str());
7300 :
7301 : // Check foreign key integrity
7302 2 : if (eErr == OGRERR_NONE)
7303 : {
7304 2 : eErr = PragmaCheck("foreign_key_check", "", 0);
7305 : }
7306 :
7307 2 : if (eErr == OGRERR_NONE)
7308 : {
7309 2 : eErr = SoftCommitTransaction();
7310 : }
7311 : else
7312 : {
7313 0 : SoftRollbackTransaction();
7314 : }
7315 :
7316 2 : return eErr == OGRERR_NONE;
7317 : }
7318 :
7319 : /************************************************************************/
7320 : /* TestCapability() */
7321 : /************************************************************************/
7322 :
7323 555 : int GDALGeoPackageDataset::TestCapability(const char *pszCap) const
7324 : {
7325 555 : if (EQUAL(pszCap, ODsCCreateLayer) || EQUAL(pszCap, ODsCDeleteLayer) ||
7326 359 : EQUAL(pszCap, "RenameLayer"))
7327 : {
7328 196 : return GetUpdate();
7329 : }
7330 359 : else if (EQUAL(pszCap, ODsCCurveGeometries))
7331 12 : return TRUE;
7332 347 : else if (EQUAL(pszCap, ODsCMeasuredGeometries))
7333 8 : return TRUE;
7334 339 : else if (EQUAL(pszCap, ODsCZGeometries))
7335 8 : return TRUE;
7336 331 : else if (EQUAL(pszCap, ODsCRandomLayerWrite) ||
7337 331 : EQUAL(pszCap, GDsCAddRelationship) ||
7338 331 : EQUAL(pszCap, GDsCDeleteRelationship) ||
7339 331 : EQUAL(pszCap, GDsCUpdateRelationship) ||
7340 331 : EQUAL(pszCap, ODsCAddFieldDomain) ||
7341 329 : EQUAL(pszCap, ODsCUpdateFieldDomain) ||
7342 327 : EQUAL(pszCap, ODsCDeleteFieldDomain))
7343 : {
7344 6 : return GetUpdate();
7345 : }
7346 :
7347 325 : return OGRSQLiteBaseDataSource::TestCapability(pszCap);
7348 : }
7349 :
7350 : /************************************************************************/
7351 : /* ResetReadingAllLayers() */
7352 : /************************************************************************/
7353 :
7354 205 : void GDALGeoPackageDataset::ResetReadingAllLayers()
7355 : {
7356 415 : for (auto &poLayer : m_apoLayers)
7357 : {
7358 210 : poLayer->ResetReading();
7359 : }
7360 205 : }
7361 :
7362 : /************************************************************************/
7363 : /* ExecuteSQL() */
7364 : /************************************************************************/
7365 :
7366 : static const char *const apszFuncsWithSideEffects[] = {
7367 : "CreateSpatialIndex",
7368 : "DisableSpatialIndex",
7369 : "HasSpatialIndex",
7370 : "RegisterGeometryExtension",
7371 : };
7372 :
7373 5717 : OGRLayer *GDALGeoPackageDataset::ExecuteSQL(const char *pszSQLCommand,
7374 : OGRGeometry *poSpatialFilter,
7375 : const char *pszDialect)
7376 :
7377 : {
7378 5717 : m_bHasReadMetadataFromStorage = false;
7379 :
7380 5717 : FlushMetadata();
7381 :
7382 5735 : while (*pszSQLCommand != '\0' &&
7383 5735 : isspace(static_cast<unsigned char>(*pszSQLCommand)))
7384 18 : pszSQLCommand++;
7385 :
7386 11434 : CPLString osSQLCommand(pszSQLCommand);
7387 5717 : if (!osSQLCommand.empty() && osSQLCommand.back() == ';')
7388 48 : osSQLCommand.pop_back();
7389 :
7390 11433 : if (osSQLCommand.ifind("AsGPB(ST_") != std::string::npos ||
7391 5716 : osSQLCommand.ifind("AsGPB( ST_") != std::string::npos)
7392 : {
7393 1 : CPLError(CE_Warning, CPLE_AppDefined,
7394 : "Use of AsGPB(ST_xxx(...)) found in \"%s\". Since GDAL 3.13, "
7395 : "ST_xxx() functions return a GeoPackage geometry when used "
7396 : "with a GeoPackage connection, and the use of AsGPB() is no "
7397 : "longer needed. It is here automatically removed",
7398 : osSQLCommand.c_str());
7399 1 : osSQLCommand.replaceAll("AsGPB(ST_", "(ST_");
7400 1 : osSQLCommand.replaceAll("AsGPB( ST_", "(ST_");
7401 : }
7402 :
7403 5717 : if (pszDialect == nullptr || !EQUAL(pszDialect, "DEBUG"))
7404 : {
7405 : // Some SQL commands will influence the feature count behind our
7406 : // back, so disable it in that case.
7407 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7408 : const bool bInsertOrDelete =
7409 5648 : osSQLCommand.ifind("insert into ") != std::string::npos ||
7410 2527 : osSQLCommand.ifind("insert or replace into ") !=
7411 8175 : std::string::npos ||
7412 2490 : osSQLCommand.ifind("delete from ") != std::string::npos;
7413 : const bool bRollback =
7414 5648 : osSQLCommand.ifind("rollback ") != std::string::npos;
7415 : #endif
7416 :
7417 7557 : for (auto &poLayer : m_apoLayers)
7418 : {
7419 1909 : if (poLayer->SyncToDisk() != OGRERR_NONE)
7420 0 : return nullptr;
7421 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7422 2114 : if (bRollback ||
7423 205 : (bInsertOrDelete &&
7424 205 : osSQLCommand.ifind(poLayer->GetName()) != std::string::npos))
7425 : {
7426 203 : poLayer->DisableFeatureCount();
7427 : }
7428 : #endif
7429 : }
7430 : }
7431 :
7432 5717 : if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 0") ||
7433 5716 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=0") ||
7434 5716 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =0") ||
7435 5716 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 0"))
7436 : {
7437 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, false);
7438 : }
7439 5716 : else if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 1") ||
7440 5715 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=1") ||
7441 5715 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =1") ||
7442 5715 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 1"))
7443 : {
7444 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, true);
7445 : }
7446 :
7447 : /* -------------------------------------------------------------------- */
7448 : /* DEBUG "SELECT nolock" command. */
7449 : /* -------------------------------------------------------------------- */
7450 5786 : if (pszDialect != nullptr && EQUAL(pszDialect, "DEBUG") &&
7451 69 : EQUAL(osSQLCommand, "SELECT nolock"))
7452 : {
7453 3 : return new OGRSQLiteSingleFeatureLayer(osSQLCommand, m_bNoLock ? 1 : 0);
7454 : }
7455 :
7456 : /* -------------------------------------------------------------------- */
7457 : /* Special case DELLAYER: command. */
7458 : /* -------------------------------------------------------------------- */
7459 5714 : if (STARTS_WITH_CI(osSQLCommand, "DELLAYER:"))
7460 : {
7461 4 : const char *pszLayerName = osSQLCommand.c_str() + strlen("DELLAYER:");
7462 :
7463 4 : while (*pszLayerName == ' ')
7464 0 : pszLayerName++;
7465 :
7466 4 : if (!DeleteVectorOrRasterLayer(pszLayerName))
7467 : {
7468 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer: %s",
7469 : pszLayerName);
7470 : }
7471 4 : return nullptr;
7472 : }
7473 :
7474 : /* -------------------------------------------------------------------- */
7475 : /* Special case RECOMPUTE EXTENT ON command. */
7476 : /* -------------------------------------------------------------------- */
7477 5710 : if (STARTS_WITH_CI(osSQLCommand, "RECOMPUTE EXTENT ON "))
7478 : {
7479 : const char *pszLayerName =
7480 4 : osSQLCommand.c_str() + strlen("RECOMPUTE EXTENT ON ");
7481 :
7482 4 : while (*pszLayerName == ' ')
7483 0 : pszLayerName++;
7484 :
7485 4 : int idx = FindLayerIndex(pszLayerName);
7486 4 : if (idx >= 0)
7487 : {
7488 4 : m_apoLayers[idx]->RecomputeExtent();
7489 : }
7490 : else
7491 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer: %s",
7492 : pszLayerName);
7493 4 : return nullptr;
7494 : }
7495 :
7496 : /* -------------------------------------------------------------------- */
7497 : /* Intercept DROP TABLE */
7498 : /* -------------------------------------------------------------------- */
7499 5706 : if (STARTS_WITH_CI(osSQLCommand, "DROP TABLE "))
7500 : {
7501 9 : const char *pszLayerName = osSQLCommand.c_str() + strlen("DROP TABLE ");
7502 :
7503 9 : while (*pszLayerName == ' ')
7504 0 : pszLayerName++;
7505 :
7506 9 : if (DeleteVectorOrRasterLayer(SQLUnescape(pszLayerName)))
7507 4 : return nullptr;
7508 : }
7509 :
7510 : /* -------------------------------------------------------------------- */
7511 : /* Intercept ALTER TABLE src_table RENAME TO dst_table */
7512 : /* and ALTER TABLE table RENAME COLUMN src_name TO dst_name */
7513 : /* and ALTER TABLE table DROP COLUMN col_name */
7514 : /* */
7515 : /* We do this because SQLite mechanisms can't deal with updating */
7516 : /* literal values in gpkg_ tables that refer to table and column */
7517 : /* names. */
7518 : /* -------------------------------------------------------------------- */
7519 5702 : if (STARTS_WITH_CI(osSQLCommand, "ALTER TABLE "))
7520 : {
7521 9 : char **papszTokens = SQLTokenize(osSQLCommand);
7522 : /* ALTER TABLE src_table RENAME TO dst_table */
7523 16 : if (CSLCount(papszTokens) == 6 && EQUAL(papszTokens[3], "RENAME") &&
7524 7 : EQUAL(papszTokens[4], "TO"))
7525 : {
7526 7 : const char *pszSrcTableName = papszTokens[2];
7527 7 : const char *pszDstTableName = papszTokens[5];
7528 7 : if (RenameVectorOrRasterLayer(SQLUnescape(pszSrcTableName),
7529 14 : SQLUnescape(pszDstTableName)))
7530 : {
7531 6 : CSLDestroy(papszTokens);
7532 6 : return nullptr;
7533 : }
7534 : }
7535 : /* ALTER TABLE table RENAME COLUMN src_name TO dst_name */
7536 2 : else if (CSLCount(papszTokens) == 8 &&
7537 1 : EQUAL(papszTokens[3], "RENAME") &&
7538 3 : EQUAL(papszTokens[4], "COLUMN") && EQUAL(papszTokens[6], "TO"))
7539 : {
7540 1 : const char *pszTableName = papszTokens[2];
7541 1 : const char *pszSrcColumn = papszTokens[5];
7542 1 : const char *pszDstColumn = papszTokens[7];
7543 : OGRGeoPackageTableLayer *poLayer =
7544 0 : dynamic_cast<OGRGeoPackageTableLayer *>(
7545 1 : GetLayerByName(SQLUnescape(pszTableName)));
7546 1 : if (poLayer)
7547 : {
7548 2 : int nSrcFieldIdx = poLayer->GetLayerDefn()->GetFieldIndex(
7549 2 : SQLUnescape(pszSrcColumn));
7550 1 : if (nSrcFieldIdx >= 0)
7551 : {
7552 : // OFTString or any type will do as we just alter the name
7553 : // so it will be ignored.
7554 1 : OGRFieldDefn oFieldDefn(SQLUnescape(pszDstColumn),
7555 1 : OFTString);
7556 1 : poLayer->AlterFieldDefn(nSrcFieldIdx, &oFieldDefn,
7557 : ALTER_NAME_FLAG);
7558 1 : CSLDestroy(papszTokens);
7559 1 : return nullptr;
7560 : }
7561 : }
7562 : }
7563 : /* ALTER TABLE table DROP COLUMN col_name */
7564 2 : else if (CSLCount(papszTokens) == 6 && EQUAL(papszTokens[3], "DROP") &&
7565 1 : EQUAL(papszTokens[4], "COLUMN"))
7566 : {
7567 1 : const char *pszTableName = papszTokens[2];
7568 1 : const char *pszColumnName = papszTokens[5];
7569 : OGRGeoPackageTableLayer *poLayer =
7570 0 : dynamic_cast<OGRGeoPackageTableLayer *>(
7571 1 : GetLayerByName(SQLUnescape(pszTableName)));
7572 1 : if (poLayer)
7573 : {
7574 2 : int nFieldIdx = poLayer->GetLayerDefn()->GetFieldIndex(
7575 2 : SQLUnescape(pszColumnName));
7576 1 : if (nFieldIdx >= 0)
7577 : {
7578 1 : poLayer->DeleteField(nFieldIdx);
7579 1 : CSLDestroy(papszTokens);
7580 1 : return nullptr;
7581 : }
7582 : }
7583 : }
7584 1 : CSLDestroy(papszTokens);
7585 : }
7586 :
7587 5694 : if (ProcessTransactionSQL(osSQLCommand))
7588 : {
7589 253 : return nullptr;
7590 : }
7591 :
7592 5441 : if (EQUAL(osSQLCommand, "VACUUM"))
7593 : {
7594 13 : ResetReadingAllLayers();
7595 : }
7596 5428 : else if (STARTS_WITH_CI(osSQLCommand, "DELETE FROM "))
7597 : {
7598 : // Optimize truncation of a table, especially if it has a spatial
7599 : // index.
7600 23 : const CPLStringList aosTokens(SQLTokenize(osSQLCommand));
7601 23 : if (aosTokens.size() == 3)
7602 : {
7603 16 : const char *pszTableName = aosTokens[2];
7604 : OGRGeoPackageTableLayer *poLayer =
7605 8 : dynamic_cast<OGRGeoPackageTableLayer *>(
7606 24 : GetLayerByName(SQLUnescape(pszTableName)));
7607 16 : if (poLayer)
7608 : {
7609 8 : poLayer->Truncate();
7610 8 : return nullptr;
7611 : }
7612 : }
7613 : }
7614 5405 : else if (pszDialect != nullptr && EQUAL(pszDialect, "INDIRECT_SQLITE"))
7615 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter, "SQLITE");
7616 5404 : else if (pszDialect != nullptr && !EQUAL(pszDialect, "") &&
7617 67 : !EQUAL(pszDialect, "NATIVE") && !EQUAL(pszDialect, "SQLITE") &&
7618 67 : !EQUAL(pszDialect, "DEBUG"))
7619 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter,
7620 1 : pszDialect);
7621 :
7622 : /* -------------------------------------------------------------------- */
7623 : /* Prepare statement. */
7624 : /* -------------------------------------------------------------------- */
7625 : /* This will speed-up layer creation */
7626 : /* ORDER BY are costly to evaluate and are not necessary to establish */
7627 : /* the layer definition. */
7628 5431 : bool bUseStatementForGetNextFeature = true;
7629 5431 : bool bEmptyLayer = false;
7630 10862 : CPLString osSQLCommandTruncated(osSQLCommand);
7631 :
7632 18035 : if (osSQLCommand.ifind("SELECT ") == 0 &&
7633 6302 : CPLString(osSQLCommand.substr(1)).ifind("SELECT ") ==
7634 830 : std::string::npos &&
7635 830 : osSQLCommand.ifind(" UNION ") == std::string::npos &&
7636 7132 : osSQLCommand.ifind(" INTERSECT ") == std::string::npos &&
7637 830 : osSQLCommand.ifind(" EXCEPT ") == std::string::npos)
7638 : {
7639 830 : size_t nOrderByPos = osSQLCommand.ifind(" ORDER BY ");
7640 830 : if (nOrderByPos != std::string::npos)
7641 : {
7642 9 : osSQLCommandTruncated.resize(nOrderByPos);
7643 9 : bUseStatementForGetNextFeature = false;
7644 : }
7645 : }
7646 :
7647 5431 : const auto nErrorCount = CPLGetErrorCounter();
7648 : sqlite3_stmt *hSQLStmt =
7649 5431 : prepareSql(hDB, osSQLCommandTruncated.c_str(),
7650 5431 : static_cast<int>(osSQLCommandTruncated.size()));
7651 5431 : if (!hSQLStmt)
7652 : {
7653 12 : if (nErrorCount == CPLGetErrorCounter())
7654 : {
7655 9 : CPLError(CE_Failure, CPLE_AppDefined, "%s",
7656 18 : SQLFormatErrorMsgFailedPrepare(
7657 : GetDB(), "In ExecuteSQL(): sqlite3_prepare_v2(): ",
7658 : osSQLCommand.c_str())
7659 : .c_str());
7660 : }
7661 12 : return nullptr;
7662 : }
7663 :
7664 : /* -------------------------------------------------------------------- */
7665 : /* Do we get a resultset? */
7666 : /* -------------------------------------------------------------------- */
7667 5419 : int rc = sqlite3_step(hSQLStmt);
7668 :
7669 7090 : for (auto &poLayer : m_apoLayers)
7670 : {
7671 1671 : if (!poLayer->RunDeferredDropRTreeTableIfNecessary())
7672 0 : return nullptr;
7673 : }
7674 :
7675 5419 : if (rc != SQLITE_ROW)
7676 : {
7677 4635 : if (rc != SQLITE_DONE)
7678 : {
7679 7 : CPLError(CE_Failure, CPLE_AppDefined,
7680 : "In ExecuteSQL(): sqlite3_step(%s):\n %s",
7681 : osSQLCommandTruncated.c_str(), sqlite3_errmsg(hDB));
7682 :
7683 7 : sqlite3_finalize(hSQLStmt);
7684 7 : return nullptr;
7685 : }
7686 :
7687 4628 : if (EQUAL(osSQLCommand, "VACUUM"))
7688 : {
7689 13 : sqlite3_finalize(hSQLStmt);
7690 : /* VACUUM rewrites the DB, so we need to reset the application id */
7691 13 : SetApplicationAndUserVersionId();
7692 13 : return nullptr;
7693 : }
7694 :
7695 4615 : if (!STARTS_WITH_CI(osSQLCommand, "SELECT "))
7696 : {
7697 4487 : sqlite3_finalize(hSQLStmt);
7698 4487 : return nullptr;
7699 : }
7700 :
7701 128 : bUseStatementForGetNextFeature = false;
7702 128 : bEmptyLayer = true;
7703 : }
7704 :
7705 : /* -------------------------------------------------------------------- */
7706 : /* Special case for some functions which must be run */
7707 : /* only once */
7708 : /* -------------------------------------------------------------------- */
7709 912 : if (STARTS_WITH_CI(osSQLCommand, "SELECT "))
7710 : {
7711 4184 : for (unsigned int i = 0; i < sizeof(apszFuncsWithSideEffects) /
7712 : sizeof(apszFuncsWithSideEffects[0]);
7713 : i++)
7714 : {
7715 3373 : if (EQUALN(apszFuncsWithSideEffects[i], osSQLCommand.c_str() + 7,
7716 : strlen(apszFuncsWithSideEffects[i])))
7717 : {
7718 112 : if (sqlite3_column_count(hSQLStmt) == 1 &&
7719 56 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_INTEGER)
7720 : {
7721 56 : int ret = sqlite3_column_int(hSQLStmt, 0);
7722 :
7723 56 : sqlite3_finalize(hSQLStmt);
7724 :
7725 : return new OGRSQLiteSingleFeatureLayer(
7726 56 : apszFuncsWithSideEffects[i], ret);
7727 : }
7728 : }
7729 : }
7730 : }
7731 45 : else if (STARTS_WITH_CI(osSQLCommand, "PRAGMA "))
7732 : {
7733 63 : if (sqlite3_column_count(hSQLStmt) == 1 &&
7734 18 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_INTEGER)
7735 : {
7736 15 : int ret = sqlite3_column_int(hSQLStmt, 0);
7737 :
7738 15 : sqlite3_finalize(hSQLStmt);
7739 :
7740 15 : return new OGRSQLiteSingleFeatureLayer(osSQLCommand.c_str() + 7,
7741 15 : ret);
7742 : }
7743 33 : else if (sqlite3_column_count(hSQLStmt) == 1 &&
7744 3 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_TEXT)
7745 : {
7746 : const char *pszRet = reinterpret_cast<const char *>(
7747 3 : sqlite3_column_text(hSQLStmt, 0));
7748 :
7749 : OGRLayer *poRet = new OGRSQLiteSingleFeatureLayer(
7750 3 : osSQLCommand.c_str() + 7, pszRet);
7751 :
7752 3 : sqlite3_finalize(hSQLStmt);
7753 :
7754 3 : return poRet;
7755 : }
7756 : }
7757 :
7758 : /* -------------------------------------------------------------------- */
7759 : /* Create layer. */
7760 : /* -------------------------------------------------------------------- */
7761 :
7762 : auto poLayer = std::make_unique<OGRGeoPackageSelectLayer>(
7763 : this, osSQLCommand, hSQLStmt, bUseStatementForGetNextFeature,
7764 1676 : bEmptyLayer);
7765 :
7766 841 : if (poSpatialFilter != nullptr &&
7767 3 : poLayer->GetLayerDefn()->GetGeomFieldCount() > 0)
7768 3 : poLayer->SetSpatialFilter(0, poSpatialFilter);
7769 :
7770 838 : return poLayer.release();
7771 : }
7772 :
7773 : /************************************************************************/
7774 : /* ReleaseResultSet() */
7775 : /************************************************************************/
7776 :
7777 871 : void GDALGeoPackageDataset::ReleaseResultSet(OGRLayer *poLayer)
7778 :
7779 : {
7780 871 : delete poLayer;
7781 871 : }
7782 :
7783 : /************************************************************************/
7784 : /* HasExtensionsTable() */
7785 : /************************************************************************/
7786 :
7787 7509 : bool GDALGeoPackageDataset::HasExtensionsTable()
7788 : {
7789 7509 : return SQLGetInteger(
7790 : hDB,
7791 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_extensions' "
7792 : "AND type IN ('table', 'view')",
7793 7509 : nullptr) == 1;
7794 : }
7795 :
7796 : /************************************************************************/
7797 : /* CheckUnknownExtensions() */
7798 : /************************************************************************/
7799 :
7800 1666 : void GDALGeoPackageDataset::CheckUnknownExtensions(bool bCheckRasterTable)
7801 : {
7802 1666 : if (!HasExtensionsTable())
7803 211 : return;
7804 :
7805 1455 : char *pszSQL = nullptr;
7806 1455 : if (!bCheckRasterTable)
7807 1239 : pszSQL = sqlite3_mprintf(
7808 : "SELECT extension_name, definition, scope FROM gpkg_extensions "
7809 : "WHERE (table_name IS NULL "
7810 : "AND extension_name IS NOT NULL "
7811 : "AND definition IS NOT NULL "
7812 : "AND scope IS NOT NULL "
7813 : "AND extension_name NOT IN ("
7814 : "'gdal_aspatial', "
7815 : "'gpkg_elevation_tiles', " // Old name before GPKG 1.2 approval
7816 : "'2d_gridded_coverage', " // Old name after GPKG 1.2 and before OGC
7817 : // 17-066r1 finalization
7818 : "'gpkg_2d_gridded_coverage', " // Name in OGC 17-066r1 final
7819 : "'gpkg_metadata', "
7820 : "'gpkg_schema', "
7821 : "'gpkg_crs_wkt', "
7822 : "'gpkg_crs_wkt_1_1', "
7823 : "'related_tables', 'gpkg_related_tables')) "
7824 : #ifdef WORKAROUND_SQLITE3_BUGS
7825 : "OR 0 "
7826 : #endif
7827 : "LIMIT 1000");
7828 : else
7829 216 : pszSQL = sqlite3_mprintf(
7830 : "SELECT extension_name, definition, scope FROM gpkg_extensions "
7831 : "WHERE (lower(table_name) = lower('%q') "
7832 : "AND extension_name IS NOT NULL "
7833 : "AND definition IS NOT NULL "
7834 : "AND scope IS NOT NULL "
7835 : "AND extension_name NOT IN ("
7836 : "'gpkg_elevation_tiles', " // Old name before GPKG 1.2 approval
7837 : "'2d_gridded_coverage', " // Old name after GPKG 1.2 and before OGC
7838 : // 17-066r1 finalization
7839 : "'gpkg_2d_gridded_coverage', " // Name in OGC 17-066r1 final
7840 : "'gpkg_metadata', "
7841 : "'gpkg_schema', "
7842 : "'gpkg_crs_wkt', "
7843 : "'gpkg_crs_wkt_1_1', "
7844 : "'related_tables', 'gpkg_related_tables')) "
7845 : #ifdef WORKAROUND_SQLITE3_BUGS
7846 : "OR 0 "
7847 : #endif
7848 : "LIMIT 1000",
7849 : m_osRasterTable.c_str());
7850 :
7851 2910 : auto oResultTable = SQLQuery(GetDB(), pszSQL);
7852 1455 : sqlite3_free(pszSQL);
7853 1455 : if (oResultTable && oResultTable->RowCount() > 0)
7854 : {
7855 42 : for (int i = 0; i < oResultTable->RowCount(); i++)
7856 : {
7857 21 : const char *pszExtName = oResultTable->GetValue(0, i);
7858 21 : const char *pszDefinition = oResultTable->GetValue(1, i);
7859 21 : const char *pszScope = oResultTable->GetValue(2, i);
7860 21 : if (pszExtName == nullptr || pszDefinition == nullptr ||
7861 : pszScope == nullptr)
7862 : {
7863 0 : continue;
7864 : }
7865 :
7866 21 : if (EQUAL(pszExtName, "gpkg_webp"))
7867 : {
7868 15 : if (GDALGetDriverByName("WEBP") == nullptr)
7869 : {
7870 1 : CPLError(
7871 : CE_Warning, CPLE_AppDefined,
7872 : "Table %s contains WEBP tiles, but GDAL configured "
7873 : "without WEBP support. Data will be missing",
7874 : m_osRasterTable.c_str());
7875 : }
7876 15 : m_eTF = GPKG_TF_WEBP;
7877 15 : continue;
7878 : }
7879 6 : if (EQUAL(pszExtName, "gpkg_zoom_other"))
7880 : {
7881 2 : m_bZoomOther = true;
7882 2 : continue;
7883 : }
7884 :
7885 4 : if (GetUpdate() && EQUAL(pszScope, "write-only"))
7886 : {
7887 1 : CPLError(
7888 : CE_Warning, CPLE_AppDefined,
7889 : "Database relies on the '%s' (%s) extension that should "
7890 : "be implemented for safe write-support, but is not "
7891 : "currently. "
7892 : "Update of that database are strongly discouraged to avoid "
7893 : "corruption.",
7894 : pszExtName, pszDefinition);
7895 : }
7896 3 : else if (GetUpdate() && EQUAL(pszScope, "read-write"))
7897 : {
7898 1 : CPLError(
7899 : CE_Warning, CPLE_AppDefined,
7900 : "Database relies on the '%s' (%s) extension that should "
7901 : "be implemented in order to read/write it safely, but is "
7902 : "not currently. "
7903 : "Some data may be missing while reading that database, and "
7904 : "updates are strongly discouraged.",
7905 : pszExtName, pszDefinition);
7906 : }
7907 2 : else if (EQUAL(pszScope, "read-write") &&
7908 : // None of the NGA extensions at
7909 : // http://ngageoint.github.io/GeoPackage/docs/extensions/
7910 : // affect read-only scenarios
7911 1 : !STARTS_WITH(pszExtName, "nga_"))
7912 : {
7913 1 : CPLError(
7914 : CE_Warning, CPLE_AppDefined,
7915 : "Database relies on the '%s' (%s) extension that should "
7916 : "be implemented in order to read it safely, but is not "
7917 : "currently. "
7918 : "Some data may be missing while reading that database.",
7919 : pszExtName, pszDefinition);
7920 : }
7921 : }
7922 : }
7923 : }
7924 :
7925 : /************************************************************************/
7926 : /* HasGDALAspatialExtension() */
7927 : /************************************************************************/
7928 :
7929 1199 : bool GDALGeoPackageDataset::HasGDALAspatialExtension()
7930 : {
7931 1199 : if (!HasExtensionsTable())
7932 103 : return false;
7933 :
7934 : auto oResultTable = SQLQuery(hDB, "SELECT * FROM gpkg_extensions "
7935 : "WHERE (extension_name = 'gdal_aspatial' "
7936 : "AND table_name IS NULL "
7937 : "AND column_name IS NULL)"
7938 : #ifdef WORKAROUND_SQLITE3_BUGS
7939 : " OR 0"
7940 : #endif
7941 1096 : );
7942 1096 : bool bHasExtension = (oResultTable && oResultTable->RowCount() == 1);
7943 1096 : return bHasExtension;
7944 : }
7945 :
7946 : std::string
7947 193 : GDALGeoPackageDataset::CreateRasterTriggersSQL(const std::string &osTableName)
7948 : {
7949 : char *pszSQL;
7950 193 : std::string osSQL;
7951 : /* From D.5. sample_tile_pyramid Table 43. tiles table Trigger
7952 : * Definition SQL */
7953 193 : pszSQL = sqlite3_mprintf(
7954 : "CREATE TRIGGER \"%w_zoom_insert\" "
7955 : "BEFORE INSERT ON \"%w\" "
7956 : "FOR EACH ROW BEGIN "
7957 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7958 : "constraint: zoom_level not specified for table in "
7959 : "gpkg_tile_matrix') "
7960 : "WHERE NOT (NEW.zoom_level IN (SELECT zoom_level FROM "
7961 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q'))) ; "
7962 : "END; "
7963 : "CREATE TRIGGER \"%w_zoom_update\" "
7964 : "BEFORE UPDATE OF zoom_level ON \"%w\" "
7965 : "FOR EACH ROW BEGIN "
7966 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7967 : "constraint: zoom_level not specified for table in "
7968 : "gpkg_tile_matrix') "
7969 : "WHERE NOT (NEW.zoom_level IN (SELECT zoom_level FROM "
7970 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q'))) ; "
7971 : "END; "
7972 : "CREATE TRIGGER \"%w_tile_column_insert\" "
7973 : "BEFORE INSERT ON \"%w\" "
7974 : "FOR EACH ROW BEGIN "
7975 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7976 : "constraint: tile_column cannot be < 0') "
7977 : "WHERE (NEW.tile_column < 0) ; "
7978 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7979 : "constraint: tile_column must by < matrix_width specified for "
7980 : "table and zoom level in gpkg_tile_matrix') "
7981 : "WHERE NOT (NEW.tile_column < (SELECT matrix_width FROM "
7982 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
7983 : "zoom_level = NEW.zoom_level)); "
7984 : "END; "
7985 : "CREATE TRIGGER \"%w_tile_column_update\" "
7986 : "BEFORE UPDATE OF tile_column ON \"%w\" "
7987 : "FOR EACH ROW BEGIN "
7988 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7989 : "constraint: tile_column cannot be < 0') "
7990 : "WHERE (NEW.tile_column < 0) ; "
7991 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7992 : "constraint: tile_column must by < matrix_width specified for "
7993 : "table and zoom level in gpkg_tile_matrix') "
7994 : "WHERE NOT (NEW.tile_column < (SELECT matrix_width FROM "
7995 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
7996 : "zoom_level = NEW.zoom_level)); "
7997 : "END; "
7998 : "CREATE TRIGGER \"%w_tile_row_insert\" "
7999 : "BEFORE INSERT ON \"%w\" "
8000 : "FOR EACH ROW BEGIN "
8001 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
8002 : "constraint: tile_row cannot be < 0') "
8003 : "WHERE (NEW.tile_row < 0) ; "
8004 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
8005 : "constraint: tile_row must by < matrix_height specified for "
8006 : "table and zoom level in gpkg_tile_matrix') "
8007 : "WHERE NOT (NEW.tile_row < (SELECT matrix_height FROM "
8008 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8009 : "zoom_level = NEW.zoom_level)); "
8010 : "END; "
8011 : "CREATE TRIGGER \"%w_tile_row_update\" "
8012 : "BEFORE UPDATE OF tile_row ON \"%w\" "
8013 : "FOR EACH ROW BEGIN "
8014 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8015 : "constraint: tile_row cannot be < 0') "
8016 : "WHERE (NEW.tile_row < 0) ; "
8017 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8018 : "constraint: tile_row must by < matrix_height specified for "
8019 : "table and zoom level in gpkg_tile_matrix') "
8020 : "WHERE NOT (NEW.tile_row < (SELECT matrix_height FROM "
8021 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8022 : "zoom_level = NEW.zoom_level)); "
8023 : "END; ",
8024 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8025 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8026 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8027 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8028 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8029 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8030 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8031 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8032 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8033 : osTableName.c_str());
8034 193 : osSQL = pszSQL;
8035 193 : sqlite3_free(pszSQL);
8036 193 : return osSQL;
8037 : }
8038 :
8039 : /************************************************************************/
8040 : /* CreateExtensionsTableIfNecessary() */
8041 : /************************************************************************/
8042 :
8043 1345 : OGRErr GDALGeoPackageDataset::CreateExtensionsTableIfNecessary()
8044 : {
8045 : /* Check if the table gpkg_extensions exists */
8046 1345 : if (HasExtensionsTable())
8047 454 : return OGRERR_NONE;
8048 :
8049 : /* Requirement 79 : Every extension of a GeoPackage SHALL be registered */
8050 : /* in a corresponding row in the gpkg_extensions table. The absence of a */
8051 : /* gpkg_extensions table or the absence of rows in gpkg_extensions table */
8052 : /* SHALL both indicate the absence of extensions to a GeoPackage. */
8053 891 : const char *pszCreateGpkgExtensions =
8054 : "CREATE TABLE gpkg_extensions ("
8055 : "table_name TEXT,"
8056 : "column_name TEXT,"
8057 : "extension_name TEXT NOT NULL,"
8058 : "definition TEXT NOT NULL,"
8059 : "scope TEXT NOT NULL,"
8060 : "CONSTRAINT ge_tce UNIQUE (table_name, column_name, extension_name)"
8061 : ")";
8062 :
8063 891 : return SQLCommand(hDB, pszCreateGpkgExtensions);
8064 : }
8065 :
8066 : /************************************************************************/
8067 : /* OGR_GPKG_Intersects_Spatial_Filter() */
8068 : /************************************************************************/
8069 :
8070 23236 : void OGR_GPKG_Intersects_Spatial_Filter(sqlite3_context *pContext, int argc,
8071 : sqlite3_value **argv)
8072 : {
8073 23236 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8074 : {
8075 0 : sqlite3_result_int(pContext, 0);
8076 23226 : return;
8077 : }
8078 :
8079 : auto poLayer =
8080 23236 : static_cast<OGRGeoPackageTableLayer *>(sqlite3_user_data(pContext));
8081 :
8082 23236 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8083 : const GByte *pabyBLOB =
8084 23236 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8085 :
8086 : GPkgHeader sHeader;
8087 46472 : if (poLayer->m_bFilterIsEnvelope &&
8088 23236 : OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false, 0))
8089 : {
8090 23236 : if (sHeader.bExtentHasXY)
8091 : {
8092 95 : OGREnvelope sEnvelope;
8093 95 : sEnvelope.MinX = sHeader.MinX;
8094 95 : sEnvelope.MinY = sHeader.MinY;
8095 95 : sEnvelope.MaxX = sHeader.MaxX;
8096 95 : sEnvelope.MaxY = sHeader.MaxY;
8097 95 : if (poLayer->m_sFilterEnvelope.Contains(sEnvelope))
8098 : {
8099 31 : sqlite3_result_int(pContext, 1);
8100 31 : return;
8101 : }
8102 : }
8103 :
8104 : // Check if at least one point falls into the layer filter envelope
8105 : // nHeaderLen is > 0 for GeoPackage geometries
8106 46410 : if (sHeader.nHeaderLen > 0 &&
8107 23205 : OGRWKBIntersectsPessimistic(pabyBLOB + sHeader.nHeaderLen,
8108 23205 : nBLOBLen - sHeader.nHeaderLen,
8109 23205 : poLayer->m_sFilterEnvelope))
8110 : {
8111 23195 : sqlite3_result_int(pContext, 1);
8112 23195 : return;
8113 : }
8114 : }
8115 :
8116 : auto poGeom = std::unique_ptr<OGRGeometry>(
8117 10 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8118 10 : if (poGeom == nullptr)
8119 : {
8120 : // Try also spatialite geometry blobs
8121 0 : OGRGeometry *poGeomSpatialite = nullptr;
8122 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8123 0 : &poGeomSpatialite) != OGRERR_NONE)
8124 : {
8125 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8126 0 : sqlite3_result_int(pContext, 0);
8127 0 : return;
8128 : }
8129 0 : poGeom.reset(poGeomSpatialite);
8130 : }
8131 :
8132 10 : sqlite3_result_int(pContext, poLayer->FilterGeometry(poGeom.get()));
8133 : }
8134 :
8135 : /************************************************************************/
8136 : /* OGRGeoPackageSTMinX() */
8137 : /************************************************************************/
8138 :
8139 253039 : static void OGRGeoPackageSTMinX(sqlite3_context *pContext, int argc,
8140 : sqlite3_value **argv)
8141 : {
8142 : GPkgHeader sHeader;
8143 253039 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8144 : {
8145 17 : sqlite3_result_null(pContext);
8146 17 : return;
8147 : }
8148 253022 : sqlite3_result_double(pContext, sHeader.MinX);
8149 : }
8150 :
8151 : /************************************************************************/
8152 : /* OGRGeoPackageSTMinY() */
8153 : /************************************************************************/
8154 :
8155 253023 : static void OGRGeoPackageSTMinY(sqlite3_context *pContext, int argc,
8156 : sqlite3_value **argv)
8157 : {
8158 : GPkgHeader sHeader;
8159 253023 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8160 : {
8161 1 : sqlite3_result_null(pContext);
8162 1 : return;
8163 : }
8164 253022 : sqlite3_result_double(pContext, sHeader.MinY);
8165 : }
8166 :
8167 : /************************************************************************/
8168 : /* OGRGeoPackageSTMaxX() */
8169 : /************************************************************************/
8170 :
8171 253023 : static void OGRGeoPackageSTMaxX(sqlite3_context *pContext, int argc,
8172 : sqlite3_value **argv)
8173 : {
8174 : GPkgHeader sHeader;
8175 253023 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8176 : {
8177 1 : sqlite3_result_null(pContext);
8178 1 : return;
8179 : }
8180 253022 : sqlite3_result_double(pContext, sHeader.MaxX);
8181 : }
8182 :
8183 : /************************************************************************/
8184 : /* OGRGeoPackageSTMaxY() */
8185 : /************************************************************************/
8186 :
8187 253023 : static void OGRGeoPackageSTMaxY(sqlite3_context *pContext, int argc,
8188 : sqlite3_value **argv)
8189 : {
8190 : GPkgHeader sHeader;
8191 253023 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8192 : {
8193 1 : sqlite3_result_null(pContext);
8194 1 : return;
8195 : }
8196 253022 : sqlite3_result_double(pContext, sHeader.MaxY);
8197 : }
8198 :
8199 : /************************************************************************/
8200 : /* OGRGeoPackageSTIsEmpty() */
8201 : /************************************************************************/
8202 :
8203 254460 : static void OGRGeoPackageSTIsEmpty(sqlite3_context *pContext, int argc,
8204 : sqlite3_value **argv)
8205 : {
8206 : GPkgHeader sHeader;
8207 254460 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8208 : {
8209 2 : sqlite3_result_null(pContext);
8210 2 : return;
8211 : }
8212 254458 : sqlite3_result_int(pContext, sHeader.bEmpty);
8213 : }
8214 :
8215 : /************************************************************************/
8216 : /* OGRGeoPackageSTGeometryType() */
8217 : /************************************************************************/
8218 :
8219 7 : static void OGRGeoPackageSTGeometryType(sqlite3_context *pContext, int /*argc*/,
8220 : sqlite3_value **argv)
8221 : {
8222 : GPkgHeader sHeader;
8223 :
8224 7 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8225 : const GByte *pabyBLOB =
8226 7 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8227 : OGRwkbGeometryType eGeometryType;
8228 :
8229 13 : if (nBLOBLen < 8 ||
8230 6 : GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) != OGRERR_NONE)
8231 : {
8232 2 : if (OGRSQLiteGetSpatialiteGeometryHeader(
8233 : pabyBLOB, nBLOBLen, nullptr, &eGeometryType, nullptr, nullptr,
8234 2 : nullptr, nullptr, nullptr) == OGRERR_NONE)
8235 : {
8236 1 : sqlite3_result_text(pContext, OGRToOGCGeomType(eGeometryType), -1,
8237 : SQLITE_TRANSIENT);
8238 4 : return;
8239 : }
8240 : else
8241 : {
8242 1 : sqlite3_result_null(pContext);
8243 1 : return;
8244 : }
8245 : }
8246 :
8247 5 : if (static_cast<size_t>(nBLOBLen) < sHeader.nHeaderLen + 5)
8248 : {
8249 2 : sqlite3_result_null(pContext);
8250 2 : return;
8251 : }
8252 :
8253 3 : OGRErr err = OGRReadWKBGeometryType(pabyBLOB + sHeader.nHeaderLen,
8254 : wkbVariantIso, &eGeometryType);
8255 3 : if (err != OGRERR_NONE)
8256 1 : sqlite3_result_null(pContext);
8257 : else
8258 2 : sqlite3_result_text(pContext, OGRToOGCGeomType(eGeometryType), -1,
8259 : SQLITE_TRANSIENT);
8260 : }
8261 :
8262 : /************************************************************************/
8263 : /* OGRGeoPackageSTEnvelopesIntersects() */
8264 : /************************************************************************/
8265 :
8266 118 : static void OGRGeoPackageSTEnvelopesIntersects(sqlite3_context *pContext,
8267 : int argc, sqlite3_value **argv)
8268 : {
8269 : GPkgHeader sHeader;
8270 118 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8271 : {
8272 2 : sqlite3_result_int(pContext, FALSE);
8273 107 : return;
8274 : }
8275 116 : const double dfMinX = sqlite3_value_double(argv[1]);
8276 116 : if (sHeader.MaxX < dfMinX)
8277 : {
8278 93 : sqlite3_result_int(pContext, FALSE);
8279 93 : return;
8280 : }
8281 23 : const double dfMinY = sqlite3_value_double(argv[2]);
8282 23 : if (sHeader.MaxY < dfMinY)
8283 : {
8284 11 : sqlite3_result_int(pContext, FALSE);
8285 11 : return;
8286 : }
8287 12 : const double dfMaxX = sqlite3_value_double(argv[3]);
8288 12 : if (sHeader.MinX > dfMaxX)
8289 : {
8290 1 : sqlite3_result_int(pContext, FALSE);
8291 1 : return;
8292 : }
8293 11 : const double dfMaxY = sqlite3_value_double(argv[4]);
8294 11 : sqlite3_result_int(pContext, sHeader.MinY <= dfMaxY);
8295 : }
8296 :
8297 : /************************************************************************/
8298 : /* OGRGeoPackageSTEnvelopesIntersectsTwoParams() */
8299 : /************************************************************************/
8300 :
8301 : static void
8302 3 : OGRGeoPackageSTEnvelopesIntersectsTwoParams(sqlite3_context *pContext, int argc,
8303 : sqlite3_value **argv)
8304 : {
8305 : GPkgHeader sHeader;
8306 3 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false, 0))
8307 : {
8308 0 : sqlite3_result_int(pContext, FALSE);
8309 2 : return;
8310 : }
8311 : GPkgHeader sHeader2;
8312 3 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader2, true, false,
8313 : 1))
8314 : {
8315 0 : sqlite3_result_int(pContext, FALSE);
8316 0 : return;
8317 : }
8318 3 : if (sHeader.MaxX < sHeader2.MinX)
8319 : {
8320 1 : sqlite3_result_int(pContext, FALSE);
8321 1 : return;
8322 : }
8323 2 : if (sHeader.MaxY < sHeader2.MinY)
8324 : {
8325 0 : sqlite3_result_int(pContext, FALSE);
8326 0 : return;
8327 : }
8328 2 : if (sHeader.MinX > sHeader2.MaxX)
8329 : {
8330 1 : sqlite3_result_int(pContext, FALSE);
8331 1 : return;
8332 : }
8333 1 : sqlite3_result_int(pContext, sHeader.MinY <= sHeader2.MaxY);
8334 : }
8335 :
8336 : /************************************************************************/
8337 : /* OGRGeoPackageGPKGIsAssignable() */
8338 : /************************************************************************/
8339 :
8340 8 : static void OGRGeoPackageGPKGIsAssignable(sqlite3_context *pContext,
8341 : int /*argc*/, sqlite3_value **argv)
8342 : {
8343 15 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8344 7 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8345 : {
8346 2 : sqlite3_result_int(pContext, 0);
8347 2 : return;
8348 : }
8349 :
8350 : const char *pszExpected =
8351 6 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8352 : const char *pszActual =
8353 6 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8354 6 : int bIsAssignable = OGR_GT_IsSubClassOf(OGRFromOGCGeomType(pszActual),
8355 : OGRFromOGCGeomType(pszExpected));
8356 6 : sqlite3_result_int(pContext, bIsAssignable);
8357 : }
8358 :
8359 : /************************************************************************/
8360 : /* OGRGeoPackageSTSRID() */
8361 : /************************************************************************/
8362 :
8363 12 : static void OGRGeoPackageSTSRID(sqlite3_context *pContext, int argc,
8364 : sqlite3_value **argv)
8365 : {
8366 : GPkgHeader sHeader;
8367 12 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8368 : {
8369 2 : sqlite3_result_null(pContext);
8370 2 : return;
8371 : }
8372 10 : sqlite3_result_int(pContext, sHeader.iSrsId);
8373 : }
8374 :
8375 : /************************************************************************/
8376 : /* OGRGeoPackageSetSRID() */
8377 : /************************************************************************/
8378 :
8379 28 : static void OGRGeoPackageSetSRID(sqlite3_context *pContext, int /* argc */,
8380 : sqlite3_value **argv)
8381 : {
8382 28 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8383 : {
8384 1 : sqlite3_result_null(pContext);
8385 1 : return;
8386 : }
8387 27 : const int nDestSRID = sqlite3_value_int(argv[1]);
8388 : GPkgHeader sHeader;
8389 27 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8390 : const GByte *pabyBLOB =
8391 27 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8392 :
8393 54 : if (nBLOBLen < 8 ||
8394 27 : GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) != OGRERR_NONE)
8395 : {
8396 : // Try also spatialite geometry blobs
8397 0 : OGRGeometry *poGeom = nullptr;
8398 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeom) !=
8399 : OGRERR_NONE)
8400 : {
8401 0 : sqlite3_result_null(pContext);
8402 0 : return;
8403 : }
8404 0 : size_t nBLOBDestLen = 0;
8405 : GByte *pabyDestBLOB =
8406 0 : GPkgGeometryFromOGR(poGeom, nDestSRID, nullptr, &nBLOBDestLen);
8407 0 : if (!pabyDestBLOB)
8408 : {
8409 0 : sqlite3_result_null(pContext);
8410 0 : return;
8411 : }
8412 0 : sqlite3_result_blob(pContext, pabyDestBLOB,
8413 : static_cast<int>(nBLOBDestLen), VSIFree);
8414 0 : return;
8415 : }
8416 :
8417 27 : GByte *pabyDestBLOB = static_cast<GByte *>(CPLMalloc(nBLOBLen));
8418 27 : memcpy(pabyDestBLOB, pabyBLOB, nBLOBLen);
8419 27 : int32_t nSRIDToSerialize = nDestSRID;
8420 27 : if (OGR_SWAP(sHeader.eByteOrder))
8421 0 : nSRIDToSerialize = CPL_SWAP32(nSRIDToSerialize);
8422 27 : memcpy(pabyDestBLOB + 4, &nSRIDToSerialize, 4);
8423 27 : sqlite3_result_blob(pContext, pabyDestBLOB, nBLOBLen, VSIFree);
8424 : }
8425 :
8426 : /************************************************************************/
8427 : /* OGRGeoPackageSTMakeValid() */
8428 : /************************************************************************/
8429 :
8430 3 : static void OGRGeoPackageSTMakeValid(sqlite3_context *pContext, int argc,
8431 : sqlite3_value **argv)
8432 : {
8433 3 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8434 : {
8435 2 : sqlite3_result_null(pContext);
8436 2 : return;
8437 : }
8438 1 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8439 : const GByte *pabyBLOB =
8440 1 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8441 :
8442 : GPkgHeader sHeader;
8443 1 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8444 : {
8445 0 : sqlite3_result_null(pContext);
8446 0 : return;
8447 : }
8448 :
8449 : auto poGeom = std::unique_ptr<OGRGeometry>(
8450 1 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8451 1 : if (poGeom == nullptr)
8452 : {
8453 : // Try also spatialite geometry blobs
8454 0 : OGRGeometry *poGeomPtr = nullptr;
8455 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeomPtr) !=
8456 : OGRERR_NONE)
8457 : {
8458 0 : sqlite3_result_null(pContext);
8459 0 : return;
8460 : }
8461 0 : poGeom.reset(poGeomPtr);
8462 : }
8463 1 : auto poValid = std::unique_ptr<OGRGeometry>(poGeom->MakeValid());
8464 1 : if (poValid == nullptr)
8465 : {
8466 0 : sqlite3_result_null(pContext);
8467 0 : return;
8468 : }
8469 :
8470 1 : size_t nBLOBDestLen = 0;
8471 1 : GByte *pabyDestBLOB = GPkgGeometryFromOGR(poValid.get(), sHeader.iSrsId,
8472 : nullptr, &nBLOBDestLen);
8473 1 : if (!pabyDestBLOB)
8474 : {
8475 0 : sqlite3_result_null(pContext);
8476 0 : return;
8477 : }
8478 1 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
8479 : VSIFree);
8480 : }
8481 :
8482 : /************************************************************************/
8483 : /* OGRGeoPackageSTArea() */
8484 : /************************************************************************/
8485 :
8486 19 : static void OGRGeoPackageSTArea(sqlite3_context *pContext, int /*argc*/,
8487 : sqlite3_value **argv)
8488 : {
8489 19 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8490 : {
8491 1 : sqlite3_result_null(pContext);
8492 15 : return;
8493 : }
8494 18 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8495 : const GByte *pabyBLOB =
8496 18 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8497 :
8498 : GPkgHeader sHeader;
8499 0 : std::unique_ptr<OGRGeometry> poGeom;
8500 18 : if (GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) == OGRERR_NONE)
8501 : {
8502 16 : if (sHeader.bEmpty)
8503 : {
8504 3 : sqlite3_result_double(pContext, 0);
8505 13 : return;
8506 : }
8507 13 : const GByte *pabyWkb = pabyBLOB + sHeader.nHeaderLen;
8508 13 : size_t nWKBSize = nBLOBLen - sHeader.nHeaderLen;
8509 : bool bNeedSwap;
8510 : uint32_t nType;
8511 13 : if (OGRWKBGetGeomType(pabyWkb, nWKBSize, bNeedSwap, nType))
8512 : {
8513 13 : if (nType == wkbPolygon || nType == wkbPolygon25D ||
8514 11 : nType == wkbPolygon + 1000 || // wkbPolygonZ
8515 10 : nType == wkbPolygonM || nType == wkbPolygonZM)
8516 : {
8517 : double dfArea;
8518 5 : if (OGRWKBPolygonGetArea(pabyWkb, nWKBSize, dfArea))
8519 : {
8520 5 : sqlite3_result_double(pContext, dfArea);
8521 5 : return;
8522 0 : }
8523 : }
8524 8 : else if (nType == wkbMultiPolygon || nType == wkbMultiPolygon25D ||
8525 6 : nType == wkbMultiPolygon + 1000 || // wkbMultiPolygonZ
8526 5 : nType == wkbMultiPolygonM || nType == wkbMultiPolygonZM)
8527 : {
8528 : double dfArea;
8529 5 : if (OGRWKBMultiPolygonGetArea(pabyWkb, nWKBSize, dfArea))
8530 : {
8531 5 : sqlite3_result_double(pContext, dfArea);
8532 5 : return;
8533 : }
8534 : }
8535 : }
8536 :
8537 : // For curve geometries, fallback to OGRGeometry methods
8538 3 : poGeom.reset(GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8539 : }
8540 : else
8541 : {
8542 : // Try also spatialite geometry blobs
8543 2 : OGRGeometry *poGeomPtr = nullptr;
8544 2 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeomPtr) !=
8545 : OGRERR_NONE)
8546 : {
8547 1 : sqlite3_result_null(pContext);
8548 1 : return;
8549 : }
8550 1 : poGeom.reset(poGeomPtr);
8551 : }
8552 4 : auto poSurface = dynamic_cast<OGRSurface *>(poGeom.get());
8553 4 : if (poSurface == nullptr)
8554 : {
8555 2 : auto poMultiSurface = dynamic_cast<OGRMultiSurface *>(poGeom.get());
8556 2 : if (poMultiSurface == nullptr)
8557 : {
8558 1 : sqlite3_result_double(pContext, 0);
8559 : }
8560 : else
8561 : {
8562 1 : sqlite3_result_double(pContext, poMultiSurface->get_Area());
8563 : }
8564 : }
8565 : else
8566 : {
8567 2 : sqlite3_result_double(pContext, poSurface->get_Area());
8568 : }
8569 : }
8570 :
8571 : /************************************************************************/
8572 : /* OGRGeoPackageGeodesicArea() */
8573 : /************************************************************************/
8574 :
8575 5 : static void OGRGeoPackageGeodesicArea(sqlite3_context *pContext, int argc,
8576 : sqlite3_value **argv)
8577 : {
8578 5 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8579 : {
8580 1 : sqlite3_result_null(pContext);
8581 3 : return;
8582 : }
8583 4 : if (sqlite3_value_int(argv[1]) != 1)
8584 : {
8585 2 : CPLError(CE_Warning, CPLE_NotSupported,
8586 : "ST_Area(geom, use_ellipsoid) is only supported for "
8587 : "use_ellipsoid = 1");
8588 : }
8589 :
8590 4 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8591 : const GByte *pabyBLOB =
8592 4 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8593 : GPkgHeader sHeader;
8594 4 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8595 : {
8596 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8597 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8598 1 : return;
8599 : }
8600 :
8601 : GDALGeoPackageDataset *poDS =
8602 3 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8603 :
8604 3 : auto poSrcSRS = poDS->GetSpatialRef(sHeader.iSrsId, true);
8605 3 : if (poSrcSRS == nullptr)
8606 : {
8607 1 : CPLError(CE_Failure, CPLE_AppDefined,
8608 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8609 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8610 1 : return;
8611 : }
8612 :
8613 : auto poGeom = std::unique_ptr<OGRGeometry>(
8614 2 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8615 2 : if (poGeom == nullptr)
8616 : {
8617 : // Try also spatialite geometry blobs
8618 0 : OGRGeometry *poGeomSpatialite = nullptr;
8619 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8620 0 : &poGeomSpatialite) != OGRERR_NONE)
8621 : {
8622 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8623 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8624 0 : return;
8625 : }
8626 0 : poGeom.reset(poGeomSpatialite);
8627 : }
8628 :
8629 2 : poGeom->assignSpatialReference(poSrcSRS.get());
8630 2 : sqlite3_result_double(
8631 : pContext, OGR_G_GeodesicArea(OGRGeometry::ToHandle(poGeom.get())));
8632 : }
8633 :
8634 : /************************************************************************/
8635 : /* OGRGeoPackageLengthOrGeodesicLength() */
8636 : /************************************************************************/
8637 :
8638 8 : static void OGRGeoPackageLengthOrGeodesicLength(sqlite3_context *pContext,
8639 : int argc, sqlite3_value **argv)
8640 : {
8641 8 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8642 : {
8643 2 : sqlite3_result_null(pContext);
8644 5 : return;
8645 : }
8646 6 : if (argc == 2 && sqlite3_value_int(argv[1]) != 1)
8647 : {
8648 2 : CPLError(CE_Warning, CPLE_NotSupported,
8649 : "ST_Length(geom, use_ellipsoid) is only supported for "
8650 : "use_ellipsoid = 1");
8651 : }
8652 :
8653 6 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8654 : const GByte *pabyBLOB =
8655 6 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8656 : GPkgHeader sHeader;
8657 6 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8658 : {
8659 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8660 2 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8661 2 : return;
8662 : }
8663 :
8664 : GDALGeoPackageDataset *poDS =
8665 4 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8666 :
8667 4 : OGRSpatialReferenceRefCountedPtr poSrcSRS;
8668 4 : if (argc == 2)
8669 : {
8670 3 : poSrcSRS = poDS->GetSpatialRef(sHeader.iSrsId, true);
8671 3 : if (!poSrcSRS)
8672 : {
8673 1 : CPLError(CE_Failure, CPLE_AppDefined,
8674 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8675 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8676 1 : return;
8677 : }
8678 : }
8679 :
8680 : auto poGeom = std::unique_ptr<OGRGeometry>(
8681 3 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8682 3 : if (poGeom == nullptr)
8683 : {
8684 : // Try also spatialite geometry blobs
8685 0 : OGRGeometry *poGeomSpatialite = nullptr;
8686 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8687 0 : &poGeomSpatialite) != OGRERR_NONE)
8688 : {
8689 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8690 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8691 0 : return;
8692 : }
8693 0 : poGeom.reset(poGeomSpatialite);
8694 : }
8695 :
8696 3 : if (argc == 2)
8697 2 : poGeom->assignSpatialReference(poSrcSRS.get());
8698 :
8699 6 : sqlite3_result_double(
8700 : pContext,
8701 1 : argc == 1 ? OGR_G_Length(OGRGeometry::ToHandle(poGeom.get()))
8702 2 : : OGR_G_GeodesicLength(OGRGeometry::ToHandle(poGeom.get())));
8703 : }
8704 :
8705 : /************************************************************************/
8706 : /* OGRGeoPackageTransform() */
8707 : /************************************************************************/
8708 :
8709 : void OGRGeoPackageTransform(sqlite3_context *pContext, int argc,
8710 : sqlite3_value **argv);
8711 :
8712 32 : void OGRGeoPackageTransform(sqlite3_context *pContext, int argc,
8713 : sqlite3_value **argv)
8714 : {
8715 63 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB ||
8716 31 : sqlite3_value_type(argv[1]) != SQLITE_INTEGER)
8717 : {
8718 2 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8719 32 : return;
8720 : }
8721 :
8722 30 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8723 : const GByte *pabyBLOB =
8724 30 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8725 : GPkgHeader sHeader;
8726 30 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8727 : {
8728 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8729 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8730 1 : return;
8731 : }
8732 :
8733 29 : const int nDestSRID = sqlite3_value_int(argv[1]);
8734 29 : if (sHeader.iSrsId == nDestSRID)
8735 : {
8736 : // Return blob unmodified
8737 3 : sqlite3_result_blob(pContext, pabyBLOB, nBLOBLen, SQLITE_TRANSIENT);
8738 3 : return;
8739 : }
8740 :
8741 : GDALGeoPackageDataset *poDS =
8742 26 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8743 :
8744 : // Try to get the cached coordinate transformation
8745 : OGRCoordinateTransformation *poCT;
8746 26 : if (poDS->m_nLastCachedCTSrcSRId == sHeader.iSrsId &&
8747 20 : poDS->m_nLastCachedCTDstSRId == nDestSRID)
8748 : {
8749 20 : poCT = poDS->m_poLastCachedCT.get();
8750 : }
8751 : else
8752 : {
8753 6 : auto poSrcSRS = poDS->GetSpatialRef(sHeader.iSrsId, true);
8754 6 : if (poSrcSRS == nullptr)
8755 : {
8756 0 : CPLError(CE_Failure, CPLE_AppDefined,
8757 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8758 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8759 0 : return;
8760 : }
8761 :
8762 6 : auto poDstSRS = poDS->GetSpatialRef(nDestSRID, true);
8763 6 : if (poDstSRS == nullptr)
8764 : {
8765 0 : CPLError(CE_Failure, CPLE_AppDefined, "Target SRID (%d) is invalid",
8766 : nDestSRID);
8767 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8768 0 : return;
8769 : }
8770 : poCT =
8771 6 : OGRCreateCoordinateTransformation(poSrcSRS.get(), poDstSRS.get());
8772 6 : if (poCT == nullptr)
8773 : {
8774 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8775 0 : return;
8776 : }
8777 :
8778 : // Cache coordinate transformation for potential later reuse
8779 6 : poDS->m_nLastCachedCTSrcSRId = sHeader.iSrsId;
8780 6 : poDS->m_nLastCachedCTDstSRId = nDestSRID;
8781 6 : poDS->m_poLastCachedCT.reset(poCT);
8782 6 : poCT = poDS->m_poLastCachedCT.get();
8783 : }
8784 :
8785 26 : if (sHeader.nHeaderLen >= 8)
8786 : {
8787 26 : std::vector<GByte> &abyNewBLOB = poDS->m_abyWKBTransformCache;
8788 26 : abyNewBLOB.resize(nBLOBLen);
8789 26 : memcpy(abyNewBLOB.data(), pabyBLOB, nBLOBLen);
8790 :
8791 26 : OGREnvelope3D oEnv3d;
8792 26 : if (!OGRWKBTransform(abyNewBLOB.data() + sHeader.nHeaderLen,
8793 26 : nBLOBLen - sHeader.nHeaderLen, poCT,
8794 78 : poDS->m_oWKBTransformCache, oEnv3d) ||
8795 26 : !GPkgUpdateHeader(abyNewBLOB.data(), nBLOBLen, nDestSRID,
8796 : oEnv3d.MinX, oEnv3d.MaxX, oEnv3d.MinY,
8797 : oEnv3d.MaxY, oEnv3d.MinZ, oEnv3d.MaxZ))
8798 : {
8799 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8800 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8801 0 : return;
8802 : }
8803 :
8804 26 : sqlite3_result_blob(pContext, abyNewBLOB.data(), nBLOBLen,
8805 : SQLITE_TRANSIENT);
8806 26 : return;
8807 : }
8808 :
8809 : // Try also spatialite geometry blobs
8810 0 : OGRGeometry *poGeomSpatialite = nullptr;
8811 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8812 0 : &poGeomSpatialite) != OGRERR_NONE)
8813 : {
8814 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8815 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8816 0 : return;
8817 : }
8818 0 : auto poGeom = std::unique_ptr<OGRGeometry>(poGeomSpatialite);
8819 :
8820 0 : if (poGeom->transform(poCT) != OGRERR_NONE)
8821 : {
8822 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8823 0 : return;
8824 : }
8825 :
8826 0 : size_t nBLOBDestLen = 0;
8827 : GByte *pabyDestBLOB =
8828 0 : GPkgGeometryFromOGR(poGeom.get(), nDestSRID, nullptr, &nBLOBDestLen);
8829 0 : if (!pabyDestBLOB)
8830 : {
8831 0 : sqlite3_result_null(pContext);
8832 0 : return;
8833 : }
8834 0 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
8835 : VSIFree);
8836 : }
8837 :
8838 : /************************************************************************/
8839 : /* OGRGeoPackageSridFromAuthCRS() */
8840 : /************************************************************************/
8841 :
8842 4 : static void OGRGeoPackageSridFromAuthCRS(sqlite3_context *pContext,
8843 : int /*argc*/, sqlite3_value **argv)
8844 : {
8845 7 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8846 3 : sqlite3_value_type(argv[1]) != SQLITE_INTEGER)
8847 : {
8848 2 : sqlite3_result_int(pContext, -1);
8849 2 : return;
8850 : }
8851 :
8852 : GDALGeoPackageDataset *poDS =
8853 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8854 :
8855 2 : char *pszSQL = sqlite3_mprintf(
8856 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
8857 : "lower(organization) = lower('%q') AND organization_coordsys_id = %d",
8858 2 : sqlite3_value_text(argv[0]), sqlite3_value_int(argv[1]));
8859 2 : OGRErr err = OGRERR_NONE;
8860 2 : int nSRSId = SQLGetInteger(poDS->GetDB(), pszSQL, &err);
8861 2 : sqlite3_free(pszSQL);
8862 2 : if (err != OGRERR_NONE)
8863 1 : nSRSId = -1;
8864 2 : sqlite3_result_int(pContext, nSRSId);
8865 : }
8866 :
8867 : /************************************************************************/
8868 : /* OGRGeoPackageImportFromEPSG() */
8869 : /************************************************************************/
8870 :
8871 4 : static void OGRGeoPackageImportFromEPSG(sqlite3_context *pContext, int /*argc*/,
8872 : sqlite3_value **argv)
8873 : {
8874 4 : if (sqlite3_value_type(argv[0]) != SQLITE_INTEGER)
8875 : {
8876 1 : sqlite3_result_int(pContext, -1);
8877 2 : return;
8878 : }
8879 :
8880 : GDALGeoPackageDataset *poDS =
8881 3 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8882 3 : OGRSpatialReference oSRS;
8883 3 : if (oSRS.importFromEPSG(sqlite3_value_int(argv[0])) != OGRERR_NONE)
8884 : {
8885 1 : sqlite3_result_int(pContext, -1);
8886 1 : return;
8887 : }
8888 :
8889 2 : sqlite3_result_int(pContext, poDS->GetSrsId(&oSRS));
8890 : }
8891 :
8892 : /************************************************************************/
8893 : /* OGRGeoPackageRegisterGeometryExtension() */
8894 : /************************************************************************/
8895 :
8896 1 : static void OGRGeoPackageRegisterGeometryExtension(sqlite3_context *pContext,
8897 : int /*argc*/,
8898 : sqlite3_value **argv)
8899 : {
8900 1 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8901 2 : sqlite3_value_type(argv[1]) != SQLITE_TEXT ||
8902 1 : sqlite3_value_type(argv[2]) != SQLITE_TEXT)
8903 : {
8904 0 : sqlite3_result_int(pContext, 0);
8905 0 : return;
8906 : }
8907 :
8908 : const char *pszTableName =
8909 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8910 : const char *pszGeomName =
8911 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8912 : const char *pszGeomType =
8913 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[2]));
8914 :
8915 : GDALGeoPackageDataset *poDS =
8916 1 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8917 :
8918 1 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8919 1 : poDS->GetLayerByName(pszTableName));
8920 1 : if (poLyr == nullptr)
8921 : {
8922 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8923 0 : sqlite3_result_int(pContext, 0);
8924 0 : return;
8925 : }
8926 1 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
8927 : {
8928 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
8929 0 : sqlite3_result_int(pContext, 0);
8930 0 : return;
8931 : }
8932 1 : const OGRwkbGeometryType eGeomType = OGRFromOGCGeomType(pszGeomType);
8933 1 : if (eGeomType == wkbUnknown)
8934 : {
8935 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry type name");
8936 0 : sqlite3_result_int(pContext, 0);
8937 0 : return;
8938 : }
8939 :
8940 1 : sqlite3_result_int(
8941 : pContext,
8942 1 : static_cast<int>(poLyr->CreateGeometryExtensionIfNecessary(eGeomType)));
8943 : }
8944 :
8945 : /************************************************************************/
8946 : /* OGRGeoPackageCreateSpatialIndex() */
8947 : /************************************************************************/
8948 :
8949 14 : static void OGRGeoPackageCreateSpatialIndex(sqlite3_context *pContext,
8950 : int /*argc*/, sqlite3_value **argv)
8951 : {
8952 27 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8953 13 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8954 : {
8955 2 : sqlite3_result_int(pContext, 0);
8956 2 : return;
8957 : }
8958 :
8959 : const char *pszTableName =
8960 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8961 : const char *pszGeomName =
8962 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8963 : GDALGeoPackageDataset *poDS =
8964 12 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8965 :
8966 12 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8967 12 : poDS->GetLayerByName(pszTableName));
8968 12 : if (poLyr == nullptr)
8969 : {
8970 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8971 1 : sqlite3_result_int(pContext, 0);
8972 1 : return;
8973 : }
8974 11 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
8975 : {
8976 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
8977 1 : sqlite3_result_int(pContext, 0);
8978 1 : return;
8979 : }
8980 :
8981 10 : sqlite3_result_int(pContext, poLyr->CreateSpatialIndex());
8982 : }
8983 :
8984 : /************************************************************************/
8985 : /* OGRGeoPackageDisableSpatialIndex() */
8986 : /************************************************************************/
8987 :
8988 12 : static void OGRGeoPackageDisableSpatialIndex(sqlite3_context *pContext,
8989 : int /*argc*/, sqlite3_value **argv)
8990 : {
8991 23 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8992 11 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8993 : {
8994 2 : sqlite3_result_int(pContext, 0);
8995 2 : return;
8996 : }
8997 :
8998 : const char *pszTableName =
8999 10 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9000 : const char *pszGeomName =
9001 10 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9002 : GDALGeoPackageDataset *poDS =
9003 10 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9004 :
9005 10 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
9006 10 : poDS->GetLayerByName(pszTableName));
9007 10 : if (poLyr == nullptr)
9008 : {
9009 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
9010 1 : sqlite3_result_int(pContext, 0);
9011 1 : return;
9012 : }
9013 9 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9014 : {
9015 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9016 1 : sqlite3_result_int(pContext, 0);
9017 1 : return;
9018 : }
9019 :
9020 8 : sqlite3_result_int(pContext, poLyr->DropSpatialIndex(true));
9021 : }
9022 :
9023 : /************************************************************************/
9024 : /* OGRGeoPackageHasSpatialIndex() */
9025 : /************************************************************************/
9026 :
9027 29 : static void OGRGeoPackageHasSpatialIndex(sqlite3_context *pContext,
9028 : int /*argc*/, sqlite3_value **argv)
9029 : {
9030 57 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9031 28 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9032 : {
9033 2 : sqlite3_result_int(pContext, 0);
9034 2 : return;
9035 : }
9036 :
9037 : const char *pszTableName =
9038 27 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9039 : const char *pszGeomName =
9040 27 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9041 : GDALGeoPackageDataset *poDS =
9042 27 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9043 :
9044 27 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
9045 27 : poDS->GetLayerByName(pszTableName));
9046 27 : if (poLyr == nullptr)
9047 : {
9048 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
9049 1 : sqlite3_result_int(pContext, 0);
9050 1 : return;
9051 : }
9052 26 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9053 : {
9054 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9055 1 : sqlite3_result_int(pContext, 0);
9056 1 : return;
9057 : }
9058 :
9059 25 : poLyr->RunDeferredCreationIfNecessary();
9060 25 : poLyr->CreateSpatialIndexIfNecessary();
9061 :
9062 25 : sqlite3_result_int(pContext, poLyr->HasSpatialIndex());
9063 : }
9064 :
9065 : /************************************************************************/
9066 : /* GPKG_hstore_get_value() */
9067 : /************************************************************************/
9068 :
9069 4 : static void GPKG_hstore_get_value(sqlite3_context *pContext, int /*argc*/,
9070 : sqlite3_value **argv)
9071 : {
9072 7 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9073 3 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9074 : {
9075 2 : sqlite3_result_null(pContext);
9076 2 : return;
9077 : }
9078 :
9079 : const char *pszHStore =
9080 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9081 : const char *pszSearchedKey =
9082 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9083 2 : char *pszValue = OGRHStoreGetValue(pszHStore, pszSearchedKey);
9084 2 : if (pszValue != nullptr)
9085 1 : sqlite3_result_text(pContext, pszValue, -1, CPLFree);
9086 : else
9087 1 : sqlite3_result_null(pContext);
9088 : }
9089 :
9090 : /************************************************************************/
9091 : /* GPKG_GDAL_GetMemFileFromBlob() */
9092 : /************************************************************************/
9093 :
9094 105 : static CPLString GPKG_GDAL_GetMemFileFromBlob(sqlite3_value **argv)
9095 : {
9096 105 : int nBytes = sqlite3_value_bytes(argv[0]);
9097 : const GByte *pabyBLOB =
9098 105 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
9099 : CPLString osMemFileName(
9100 105 : VSIMemGenerateHiddenFilename("GPKG_GDAL_GetMemFileFromBlob"));
9101 105 : VSILFILE *fp = VSIFileFromMemBuffer(
9102 : osMemFileName.c_str(), const_cast<GByte *>(pabyBLOB), nBytes, FALSE);
9103 105 : VSIFCloseL(fp);
9104 105 : return osMemFileName;
9105 : }
9106 :
9107 : /************************************************************************/
9108 : /* GPKG_GDAL_GetMimeType() */
9109 : /************************************************************************/
9110 :
9111 35 : static void GPKG_GDAL_GetMimeType(sqlite3_context *pContext, int /*argc*/,
9112 : sqlite3_value **argv)
9113 : {
9114 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9115 : {
9116 0 : sqlite3_result_null(pContext);
9117 0 : return;
9118 : }
9119 :
9120 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9121 : GDALDriver *poDriver =
9122 35 : GDALDriver::FromHandle(GDALIdentifyDriver(osMemFileName, nullptr));
9123 35 : if (poDriver != nullptr)
9124 : {
9125 35 : const char *pszRes = nullptr;
9126 35 : if (EQUAL(poDriver->GetDescription(), "PNG"))
9127 23 : pszRes = "image/png";
9128 12 : else if (EQUAL(poDriver->GetDescription(), "JPEG"))
9129 6 : pszRes = "image/jpeg";
9130 6 : else if (EQUAL(poDriver->GetDescription(), "WEBP"))
9131 6 : pszRes = "image/x-webp";
9132 0 : else if (EQUAL(poDriver->GetDescription(), "GTIFF"))
9133 0 : pszRes = "image/tiff";
9134 : else
9135 0 : pszRes = CPLSPrintf("gdal/%s", poDriver->GetDescription());
9136 35 : sqlite3_result_text(pContext, pszRes, -1, SQLITE_TRANSIENT);
9137 : }
9138 : else
9139 0 : sqlite3_result_null(pContext);
9140 35 : VSIUnlink(osMemFileName);
9141 : }
9142 :
9143 : /************************************************************************/
9144 : /* GPKG_GDAL_GetBandCount() */
9145 : /************************************************************************/
9146 :
9147 35 : static void GPKG_GDAL_GetBandCount(sqlite3_context *pContext, int /*argc*/,
9148 : sqlite3_value **argv)
9149 : {
9150 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9151 : {
9152 0 : sqlite3_result_null(pContext);
9153 0 : return;
9154 : }
9155 :
9156 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9157 : auto poDS = std::unique_ptr<GDALDataset>(
9158 : GDALDataset::Open(osMemFileName, GDAL_OF_RASTER | GDAL_OF_INTERNAL,
9159 70 : nullptr, nullptr, nullptr));
9160 35 : if (poDS != nullptr)
9161 : {
9162 35 : sqlite3_result_int(pContext, poDS->GetRasterCount());
9163 : }
9164 : else
9165 0 : sqlite3_result_null(pContext);
9166 35 : VSIUnlink(osMemFileName);
9167 : }
9168 :
9169 : /************************************************************************/
9170 : /* GPKG_GDAL_HasColorTable() */
9171 : /************************************************************************/
9172 :
9173 35 : static void GPKG_GDAL_HasColorTable(sqlite3_context *pContext, int /*argc*/,
9174 : sqlite3_value **argv)
9175 : {
9176 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9177 : {
9178 0 : sqlite3_result_null(pContext);
9179 0 : return;
9180 : }
9181 :
9182 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9183 : auto poDS = std::unique_ptr<GDALDataset>(
9184 : GDALDataset::Open(osMemFileName, GDAL_OF_RASTER | GDAL_OF_INTERNAL,
9185 70 : nullptr, nullptr, nullptr));
9186 35 : if (poDS != nullptr)
9187 : {
9188 35 : sqlite3_result_int(
9189 46 : pContext, poDS->GetRasterCount() == 1 &&
9190 11 : poDS->GetRasterBand(1)->GetColorTable() != nullptr);
9191 : }
9192 : else
9193 0 : sqlite3_result_null(pContext);
9194 35 : VSIUnlink(osMemFileName);
9195 : }
9196 :
9197 : /************************************************************************/
9198 : /* GetRasterLayerDataset() */
9199 : /************************************************************************/
9200 :
9201 : GDALDataset *
9202 12 : GDALGeoPackageDataset::GetRasterLayerDataset(const char *pszLayerName)
9203 : {
9204 12 : const auto oIter = m_oCachedRasterDS.find(pszLayerName);
9205 12 : if (oIter != m_oCachedRasterDS.end())
9206 10 : return oIter->second.get();
9207 :
9208 : auto poDS = std::unique_ptr<GDALDataset>(GDALDataset::Open(
9209 4 : (std::string("GPKG:\"") + m_pszFilename + "\":" + pszLayerName).c_str(),
9210 4 : GDAL_OF_RASTER | GDAL_OF_VERBOSE_ERROR));
9211 2 : if (!poDS)
9212 : {
9213 0 : return nullptr;
9214 : }
9215 2 : m_oCachedRasterDS[pszLayerName] = std::move(poDS);
9216 2 : return m_oCachedRasterDS[pszLayerName].get();
9217 : }
9218 :
9219 : /************************************************************************/
9220 : /* GPKG_gdal_get_layer_pixel_value() */
9221 : /************************************************************************/
9222 :
9223 : // NOTE: keep in sync implementations in ogrsqlitesqlfunctionscommon.cpp
9224 : // and ogrgeopackagedatasource.cpp
9225 13 : static void GPKG_gdal_get_layer_pixel_value(sqlite3_context *pContext, int argc,
9226 : sqlite3_value **argv)
9227 : {
9228 13 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT)
9229 : {
9230 1 : CPLError(CE_Failure, CPLE_AppDefined,
9231 : "Invalid arguments to gdal_get_layer_pixel_value()");
9232 1 : sqlite3_result_null(pContext);
9233 1 : return;
9234 : }
9235 :
9236 : const char *pszLayerName =
9237 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9238 :
9239 : GDALGeoPackageDataset *poGlobalDS =
9240 12 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9241 12 : auto poDS = poGlobalDS->GetRasterLayerDataset(pszLayerName);
9242 12 : if (!poDS)
9243 : {
9244 0 : sqlite3_result_null(pContext);
9245 0 : return;
9246 : }
9247 :
9248 12 : OGRSQLite_gdal_get_pixel_value_common("gdal_get_layer_pixel_value",
9249 : pContext, argc, argv, poDS);
9250 : }
9251 :
9252 : /************************************************************************/
9253 : /* GPKG_ogr_layer_Extent() */
9254 : /************************************************************************/
9255 :
9256 3 : static void GPKG_ogr_layer_Extent(sqlite3_context *pContext, int /*argc*/,
9257 : sqlite3_value **argv)
9258 : {
9259 3 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT)
9260 : {
9261 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Invalid argument type",
9262 : "ogr_layer_Extent");
9263 1 : sqlite3_result_null(pContext);
9264 2 : return;
9265 : }
9266 :
9267 : const char *pszLayerName =
9268 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9269 : GDALGeoPackageDataset *poDS =
9270 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9271 2 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9272 2 : if (!poLayer)
9273 : {
9274 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer",
9275 : "ogr_layer_Extent");
9276 1 : sqlite3_result_null(pContext);
9277 1 : return;
9278 : }
9279 :
9280 1 : if (poLayer->GetGeomType() == wkbNone)
9281 : {
9282 0 : sqlite3_result_null(pContext);
9283 0 : return;
9284 : }
9285 :
9286 1 : OGREnvelope sExtent;
9287 1 : if (poLayer->GetExtent(&sExtent, true) != OGRERR_NONE)
9288 : {
9289 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9290 : "ogr_layer_Extent");
9291 0 : sqlite3_result_null(pContext);
9292 0 : return;
9293 : }
9294 :
9295 1 : OGRPolygon oPoly;
9296 1 : auto poRing = std::make_unique<OGRLinearRing>();
9297 1 : poRing->addPoint(sExtent.MinX, sExtent.MinY);
9298 1 : poRing->addPoint(sExtent.MaxX, sExtent.MinY);
9299 1 : poRing->addPoint(sExtent.MaxX, sExtent.MaxY);
9300 1 : poRing->addPoint(sExtent.MinX, sExtent.MaxY);
9301 1 : poRing->addPoint(sExtent.MinX, sExtent.MinY);
9302 1 : oPoly.addRing(std::move(poRing));
9303 :
9304 1 : const auto poSRS = poLayer->GetSpatialRef();
9305 1 : const int nSRID = poDS->GetSrsId(poSRS);
9306 1 : size_t nBLOBDestLen = 0;
9307 : GByte *pabyDestBLOB =
9308 1 : GPkgGeometryFromOGR(&oPoly, nSRID, nullptr, &nBLOBDestLen);
9309 1 : if (!pabyDestBLOB)
9310 : {
9311 0 : sqlite3_result_null(pContext);
9312 0 : return;
9313 : }
9314 1 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
9315 : VSIFree);
9316 : }
9317 :
9318 : /************************************************************************/
9319 : /* GPKG_ST_Hilbert_X_Y_TableName() */
9320 : /************************************************************************/
9321 :
9322 8 : static void GPKG_ST_Hilbert_X_Y_TableName(sqlite3_context *pContext,
9323 : [[maybe_unused]] int argc,
9324 : sqlite3_value **argv)
9325 : {
9326 8 : CPLAssert(argc == 3);
9327 8 : const double dfX = sqlite3_value_double(argv[0]);
9328 8 : const double dfY = sqlite3_value_double(argv[1]);
9329 :
9330 8 : if (sqlite3_value_type(argv[2]) != SQLITE_TEXT)
9331 : {
9332 1 : CPLError(CE_Failure, CPLE_AppDefined,
9333 : "%s: Invalid argument type for 3rd argument. Text expected",
9334 : "ST_Hilbert()");
9335 1 : sqlite3_result_null(pContext);
9336 6 : return;
9337 : }
9338 :
9339 : const char *pszLayerName =
9340 7 : reinterpret_cast<const char *>(sqlite3_value_text(argv[2]));
9341 : GDALGeoPackageDataset *poDS =
9342 7 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9343 7 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9344 7 : if (!poLayer)
9345 : {
9346 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer '%s'",
9347 : "ST_Hilbert()", pszLayerName);
9348 1 : sqlite3_result_null(pContext);
9349 1 : return;
9350 : }
9351 :
9352 6 : OGREnvelope sExtent;
9353 6 : if (poLayer->GetExtent(&sExtent, true) != OGRERR_NONE)
9354 : {
9355 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9356 : "ST_Hilbert()");
9357 0 : sqlite3_result_null(pContext);
9358 0 : return;
9359 : }
9360 6 : if (!(dfX >= sExtent.MinX && dfY >= sExtent.MinY && dfX <= sExtent.MaxX &&
9361 3 : dfY <= sExtent.MaxY))
9362 : {
9363 4 : CPLError(CE_Warning, CPLE_AppDefined,
9364 : "ST_Hilbert(): (%g, %g) is not within passed bounding box",
9365 : dfX, dfY);
9366 4 : sqlite3_result_null(pContext);
9367 4 : return;
9368 : }
9369 2 : sqlite3_result_int64(pContext, GDALHilbertCode(&sExtent, dfX, dfY));
9370 : }
9371 :
9372 : /************************************************************************/
9373 : /* GPKG_ST_Hilbert_Geom_BBOX() */
9374 : /************************************************************************/
9375 :
9376 6 : static void GPKG_ST_Hilbert_Geom_BBOX(sqlite3_context *pContext, int argc,
9377 : sqlite3_value **argv)
9378 : {
9379 6 : CPLAssert(argc == 5);
9380 : GPkgHeader sHeader;
9381 6 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
9382 : {
9383 1 : sqlite3_result_null(pContext);
9384 5 : return;
9385 : }
9386 5 : const double dfX = (sHeader.MinX + sHeader.MaxX) / 2;
9387 5 : const double dfY = (sHeader.MinY + sHeader.MaxY) / 2;
9388 :
9389 5 : OGREnvelope sExtent;
9390 5 : sExtent.MinX = sqlite3_value_double(argv[1]);
9391 5 : sExtent.MinY = sqlite3_value_double(argv[2]);
9392 5 : sExtent.MaxX = sqlite3_value_double(argv[3]);
9393 5 : sExtent.MaxY = sqlite3_value_double(argv[4]);
9394 5 : if (!(dfX >= sExtent.MinX && dfY >= sExtent.MinY && dfX <= sExtent.MaxX &&
9395 2 : dfY <= sExtent.MaxY))
9396 : {
9397 4 : CPLError(CE_Warning, CPLE_AppDefined,
9398 : "ST_Hilbert(): (%g, %g) is not within passed bounding box",
9399 : dfX, dfY);
9400 4 : sqlite3_result_null(pContext);
9401 4 : return;
9402 : }
9403 1 : sqlite3_result_int64(pContext, GDALHilbertCode(&sExtent, dfX, dfY));
9404 : }
9405 :
9406 : /************************************************************************/
9407 : /* GPKG_ST_Hilbert_Geom_TableName() */
9408 : /************************************************************************/
9409 :
9410 4 : static void GPKG_ST_Hilbert_Geom_TableName(sqlite3_context *pContext, int argc,
9411 : sqlite3_value **argv)
9412 : {
9413 4 : CPLAssert(argc == 2);
9414 : GPkgHeader sHeader;
9415 4 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
9416 : {
9417 1 : sqlite3_result_null(pContext);
9418 3 : return;
9419 : }
9420 3 : const double dfX = (sHeader.MinX + sHeader.MaxX) / 2;
9421 3 : const double dfY = (sHeader.MinY + sHeader.MaxY) / 2;
9422 :
9423 3 : if (sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9424 : {
9425 1 : CPLError(CE_Failure, CPLE_AppDefined,
9426 : "%s: Invalid argument type for 2nd argument. Text expected",
9427 : "ST_Hilbert()");
9428 1 : sqlite3_result_null(pContext);
9429 1 : return;
9430 : }
9431 :
9432 : const char *pszLayerName =
9433 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9434 : GDALGeoPackageDataset *poDS =
9435 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9436 2 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9437 2 : if (!poLayer)
9438 : {
9439 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer '%s'",
9440 : "ST_Hilbert()", pszLayerName);
9441 1 : sqlite3_result_null(pContext);
9442 1 : return;
9443 : }
9444 :
9445 1 : OGREnvelope sExtent;
9446 1 : if (poLayer->GetExtent(&sExtent, true) != OGRERR_NONE)
9447 : {
9448 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9449 : "ST_Hilbert()");
9450 0 : sqlite3_result_null(pContext);
9451 0 : return;
9452 : }
9453 1 : if (!(dfX >= sExtent.MinX && dfY >= sExtent.MinY && dfX <= sExtent.MaxX &&
9454 1 : dfY <= sExtent.MaxY))
9455 : {
9456 0 : CPLError(CE_Warning, CPLE_AppDefined,
9457 : "ST_Hilbert(): (%g, %g) is not within passed bounding box",
9458 : dfX, dfY);
9459 0 : sqlite3_result_null(pContext);
9460 0 : return;
9461 : }
9462 1 : sqlite3_result_int64(pContext, GDALHilbertCode(&sExtent, dfX, dfY));
9463 : }
9464 :
9465 : /************************************************************************/
9466 : /* InstallSQLFunctions() */
9467 : /************************************************************************/
9468 :
9469 : #ifndef SQLITE_DETERMINISTIC
9470 : #define SQLITE_DETERMINISTIC 0
9471 : #endif
9472 :
9473 : #ifndef SQLITE_INNOCUOUS
9474 : #define SQLITE_INNOCUOUS 0
9475 : #endif
9476 :
9477 : #ifndef UTF8_INNOCUOUS
9478 : #define UTF8_INNOCUOUS (SQLITE_UTF8 | SQLITE_DETERMINISTIC | SQLITE_INNOCUOUS)
9479 : #endif
9480 :
9481 2427 : void GDALGeoPackageDataset::InstallSQLFunctions()
9482 : {
9483 2427 : InitSpatialite();
9484 :
9485 : // Enable SpatiaLite 4.3 GPKG mode, i.e. that SpatiaLite functions
9486 : // that take geometries will accept and return GPKG encoded geometries without
9487 : // explicit conversion.
9488 : // Use sqlite3_exec() instead of SQLCommand() since we don't want verbose
9489 : // error.
9490 2427 : sqlite3_exec(hDB, "SELECT EnableGpkgMode()", nullptr, nullptr, nullptr);
9491 :
9492 : /* Used by RTree Spatial Index Extension */
9493 2427 : sqlite3_create_function(hDB, "ST_MinX", 1, UTF8_INNOCUOUS, nullptr,
9494 : OGRGeoPackageSTMinX, nullptr, nullptr);
9495 2427 : sqlite3_create_function(hDB, "ST_MinY", 1, UTF8_INNOCUOUS, nullptr,
9496 : OGRGeoPackageSTMinY, nullptr, nullptr);
9497 2427 : sqlite3_create_function(hDB, "ST_MaxX", 1, UTF8_INNOCUOUS, nullptr,
9498 : OGRGeoPackageSTMaxX, nullptr, nullptr);
9499 2427 : sqlite3_create_function(hDB, "ST_MaxY", 1, UTF8_INNOCUOUS, nullptr,
9500 : OGRGeoPackageSTMaxY, nullptr, nullptr);
9501 2427 : sqlite3_create_function(hDB, "ST_IsEmpty", 1, UTF8_INNOCUOUS, nullptr,
9502 : OGRGeoPackageSTIsEmpty, nullptr, nullptr);
9503 :
9504 : /* Used by Geometry Type Triggers Extension */
9505 2427 : sqlite3_create_function(hDB, "ST_GeometryType", 1, UTF8_INNOCUOUS, nullptr,
9506 : OGRGeoPackageSTGeometryType, nullptr, nullptr);
9507 2427 : sqlite3_create_function(hDB, "GPKG_IsAssignable", 2, UTF8_INNOCUOUS,
9508 : nullptr, OGRGeoPackageGPKGIsAssignable, nullptr,
9509 : nullptr);
9510 :
9511 : /* Used by Geometry SRS ID Triggers Extension */
9512 2427 : sqlite3_create_function(hDB, "ST_SRID", 1, UTF8_INNOCUOUS, nullptr,
9513 : OGRGeoPackageSTSRID, nullptr, nullptr);
9514 :
9515 : /* Spatialite-like functions */
9516 2427 : sqlite3_create_function(hDB, "CreateSpatialIndex", 2, SQLITE_UTF8, this,
9517 : OGRGeoPackageCreateSpatialIndex, nullptr, nullptr);
9518 2427 : sqlite3_create_function(hDB, "DisableSpatialIndex", 2, SQLITE_UTF8, this,
9519 : OGRGeoPackageDisableSpatialIndex, nullptr, nullptr);
9520 2427 : sqlite3_create_function(hDB, "HasSpatialIndex", 2, SQLITE_UTF8, this,
9521 : OGRGeoPackageHasSpatialIndex, nullptr, nullptr);
9522 :
9523 : // HSTORE functions
9524 2427 : sqlite3_create_function(hDB, "hstore_get_value", 2, UTF8_INNOCUOUS, nullptr,
9525 : GPKG_hstore_get_value, nullptr, nullptr);
9526 :
9527 : // Override a few Spatialite functions to work with gpkg_spatial_ref_sys
9528 2427 : sqlite3_create_function(hDB, "ST_Transform", 2, UTF8_INNOCUOUS, this,
9529 : OGRGeoPackageTransform, nullptr, nullptr);
9530 2427 : sqlite3_create_function(hDB, "Transform", 2, UTF8_INNOCUOUS, this,
9531 : OGRGeoPackageTransform, nullptr, nullptr);
9532 2427 : sqlite3_create_function(hDB, "SridFromAuthCRS", 2, SQLITE_UTF8, this,
9533 : OGRGeoPackageSridFromAuthCRS, nullptr, nullptr);
9534 :
9535 2427 : sqlite3_create_function(hDB, "ST_EnvIntersects", 2, UTF8_INNOCUOUS, nullptr,
9536 : OGRGeoPackageSTEnvelopesIntersectsTwoParams,
9537 : nullptr, nullptr);
9538 2427 : sqlite3_create_function(
9539 : hDB, "ST_EnvelopesIntersects", 2, UTF8_INNOCUOUS, nullptr,
9540 : OGRGeoPackageSTEnvelopesIntersectsTwoParams, nullptr, nullptr);
9541 :
9542 2427 : sqlite3_create_function(hDB, "ST_EnvIntersects", 5, UTF8_INNOCUOUS, nullptr,
9543 : OGRGeoPackageSTEnvelopesIntersects, nullptr,
9544 : nullptr);
9545 2427 : sqlite3_create_function(hDB, "ST_EnvelopesIntersects", 5, UTF8_INNOCUOUS,
9546 : nullptr, OGRGeoPackageSTEnvelopesIntersects,
9547 : nullptr, nullptr);
9548 :
9549 : // Implementation that directly hacks the GeoPackage geometry blob header
9550 2427 : sqlite3_create_function(hDB, "SetSRID", 2, UTF8_INNOCUOUS, nullptr,
9551 : OGRGeoPackageSetSRID, nullptr, nullptr);
9552 :
9553 : // GDAL specific function
9554 2427 : sqlite3_create_function(hDB, "ImportFromEPSG", 1, SQLITE_UTF8, this,
9555 : OGRGeoPackageImportFromEPSG, nullptr, nullptr);
9556 :
9557 : // May be used by ogrmerge.py
9558 2427 : sqlite3_create_function(hDB, "RegisterGeometryExtension", 3, SQLITE_UTF8,
9559 : this, OGRGeoPackageRegisterGeometryExtension,
9560 : nullptr, nullptr);
9561 :
9562 2427 : if (OGRGeometryFactory::haveGEOS())
9563 : {
9564 2427 : sqlite3_create_function(hDB, "ST_MakeValid", 1, UTF8_INNOCUOUS, nullptr,
9565 : OGRGeoPackageSTMakeValid, nullptr, nullptr);
9566 : }
9567 :
9568 2427 : sqlite3_create_function(hDB, "ST_Length", 1, UTF8_INNOCUOUS, nullptr,
9569 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9570 : nullptr);
9571 2427 : sqlite3_create_function(hDB, "ST_Length", 2, UTF8_INNOCUOUS, this,
9572 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9573 : nullptr);
9574 :
9575 2427 : sqlite3_create_function(hDB, "ST_Area", 1, UTF8_INNOCUOUS, nullptr,
9576 : OGRGeoPackageSTArea, nullptr, nullptr);
9577 2427 : sqlite3_create_function(hDB, "ST_Area", 2, UTF8_INNOCUOUS, this,
9578 : OGRGeoPackageGeodesicArea, nullptr, nullptr);
9579 :
9580 : // Debug functions
9581 2427 : if (CPLTestBool(CPLGetConfigOption("GPKG_DEBUG", "FALSE")))
9582 : {
9583 422 : sqlite3_create_function(hDB, "GDAL_GetMimeType", 1,
9584 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9585 : GPKG_GDAL_GetMimeType, nullptr, nullptr);
9586 422 : sqlite3_create_function(hDB, "GDAL_GetBandCount", 1,
9587 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9588 : GPKG_GDAL_GetBandCount, nullptr, nullptr);
9589 422 : sqlite3_create_function(hDB, "GDAL_HasColorTable", 1,
9590 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9591 : GPKG_GDAL_HasColorTable, nullptr, nullptr);
9592 : }
9593 :
9594 2427 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 5, SQLITE_UTF8,
9595 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9596 : nullptr);
9597 2427 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 6, SQLITE_UTF8,
9598 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9599 : nullptr);
9600 :
9601 : // Function from VirtualOGR
9602 2427 : sqlite3_create_function(hDB, "ogr_layer_Extent", 1, SQLITE_UTF8, this,
9603 : GPKG_ogr_layer_Extent, nullptr, nullptr);
9604 :
9605 2427 : m_pSQLFunctionData = OGRSQLiteRegisterSQLFunctionsCommon(hDB);
9606 :
9607 : // ST_Hilbert() inspired from https://duckdb.org/docs/stable/core_extensions/spatial/functions#st_hilbert
9608 : // Override the generic version of OGRSQLiteRegisterSQLFunctionsCommon()
9609 :
9610 : // X,Y,table_name
9611 2427 : sqlite3_create_function(hDB, "ST_Hilbert", 2 + 1, UTF8_INNOCUOUS, this,
9612 : GPKG_ST_Hilbert_X_Y_TableName, nullptr, nullptr);
9613 :
9614 : // geometry,minX,minY,maxX,maxY
9615 2427 : sqlite3_create_function(hDB, "ST_Hilbert", 1 + 4, UTF8_INNOCUOUS, nullptr,
9616 : GPKG_ST_Hilbert_Geom_BBOX, nullptr, nullptr);
9617 :
9618 : // geometry,table_name
9619 2427 : sqlite3_create_function(hDB, "ST_Hilbert", 1 + 1, UTF8_INNOCUOUS, this,
9620 : GPKG_ST_Hilbert_Geom_TableName, nullptr, nullptr);
9621 2427 : }
9622 :
9623 : /************************************************************************/
9624 : /* OpenOrCreateDB() */
9625 : /************************************************************************/
9626 :
9627 2433 : bool GDALGeoPackageDataset::OpenOrCreateDB(int flags)
9628 : {
9629 2433 : const bool bSuccess = OGRSQLiteBaseDataSource::OpenOrCreateDB(
9630 : flags, /*bRegisterOGR2SQLiteExtensions=*/false,
9631 : /*bLoadExtensions=*/true);
9632 2433 : if (!bSuccess)
9633 11 : return false;
9634 :
9635 : // Turning on recursive_triggers is needed so that DELETE triggers fire
9636 : // in a INSERT OR REPLACE statement. In particular this is needed to
9637 : // make sure gpkg_ogr_contents.feature_count is properly updated.
9638 2422 : SQLCommand(hDB, "PRAGMA recursive_triggers = 1");
9639 :
9640 2422 : InstallSQLFunctions();
9641 :
9642 : const char *pszSqlitePragma =
9643 2422 : CPLGetConfigOption("OGR_SQLITE_PRAGMA", nullptr);
9644 2422 : OGRErr eErr = OGRERR_NONE;
9645 6 : if ((!pszSqlitePragma || !strstr(pszSqlitePragma, "trusted_schema")) &&
9646 : // Older sqlite versions don't have this pragma
9647 4850 : SQLGetInteger(hDB, "PRAGMA trusted_schema", &eErr) == 0 &&
9648 2422 : eErr == OGRERR_NONE)
9649 : {
9650 2422 : bool bNeedsTrustedSchema = false;
9651 :
9652 : // Current SQLite versions require PRAGMA trusted_schema = 1 to be
9653 : // able to use the RTree from triggers, which is only needed when
9654 : // modifying the RTree.
9655 5945 : if (((flags & SQLITE_OPEN_READWRITE) != 0 ||
9656 3743 : (flags & SQLITE_OPEN_CREATE) != 0) &&
9657 1321 : OGRSQLiteRTreeRequiresTrustedSchemaOn())
9658 : {
9659 1321 : bNeedsTrustedSchema = true;
9660 : }
9661 :
9662 : #ifdef HAVE_SPATIALITE
9663 : // Spatialite <= 5.1.0 doesn't declare its functions as SQLITE_INNOCUOUS
9664 1101 : if (!bNeedsTrustedSchema && HasExtensionsTable() &&
9665 1009 : SQLGetInteger(
9666 : hDB,
9667 : "SELECT 1 FROM gpkg_extensions WHERE "
9668 : "extension_name ='gdal_spatialite_computed_geom_column'",
9669 1 : nullptr) == 1 &&
9670 3523 : SpatialiteRequiresTrustedSchemaOn() && AreSpatialiteTriggersSafe())
9671 : {
9672 1 : bNeedsTrustedSchema = true;
9673 : }
9674 : #endif
9675 :
9676 2422 : if (bNeedsTrustedSchema)
9677 : {
9678 1322 : CPLDebug("GPKG", "Setting PRAGMA trusted_schema = 1");
9679 1322 : SQLCommand(hDB, "PRAGMA trusted_schema = 1");
9680 : }
9681 : }
9682 :
9683 : const char *pszPreludeStatements =
9684 2422 : CSLFetchNameValue(papszOpenOptions, "PRELUDE_STATEMENTS");
9685 2422 : if (pszPreludeStatements)
9686 : {
9687 2 : if (SQLCommand(hDB, pszPreludeStatements) != OGRERR_NONE)
9688 0 : return false;
9689 : }
9690 :
9691 2422 : return true;
9692 : }
9693 :
9694 : /************************************************************************/
9695 : /* GetLayerWithGetSpatialWhereByName() */
9696 : /************************************************************************/
9697 :
9698 : std::pair<OGRLayer *, IOGRSQLiteGetSpatialWhere *>
9699 90 : GDALGeoPackageDataset::GetLayerWithGetSpatialWhereByName(const char *pszName)
9700 : {
9701 : OGRGeoPackageLayer *poRet =
9702 90 : cpl::down_cast<OGRGeoPackageLayer *>(GetLayerByName(pszName));
9703 90 : return std::pair(poRet, poRet);
9704 : }
9705 :
9706 : /************************************************************************/
9707 : /* CommitTransaction() */
9708 : /************************************************************************/
9709 :
9710 373 : OGRErr GDALGeoPackageDataset::CommitTransaction()
9711 :
9712 : {
9713 373 : if (m_nSoftTransactionLevel == 1)
9714 : {
9715 367 : FlushMetadata();
9716 789 : for (auto &poLayer : m_apoLayers)
9717 : {
9718 422 : poLayer->DoJobAtTransactionCommit();
9719 : }
9720 : }
9721 :
9722 373 : return OGRSQLiteBaseDataSource::CommitTransaction();
9723 : }
9724 :
9725 : /************************************************************************/
9726 : /* RollbackTransaction() */
9727 : /************************************************************************/
9728 :
9729 37 : OGRErr GDALGeoPackageDataset::RollbackTransaction()
9730 :
9731 : {
9732 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9733 74 : std::vector<bool> abAddTriggers;
9734 37 : std::vector<bool> abTriggersDeletedInTransaction;
9735 : #endif
9736 37 : if (m_nSoftTransactionLevel == 1)
9737 : {
9738 36 : FlushMetadata();
9739 74 : for (auto &poLayer : m_apoLayers)
9740 : {
9741 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9742 38 : abAddTriggers.push_back(poLayer->GetAddOGRFeatureCountTriggers());
9743 38 : abTriggersDeletedInTransaction.push_back(
9744 38 : poLayer->GetOGRFeatureCountTriggersDeletedInTransaction());
9745 38 : poLayer->SetAddOGRFeatureCountTriggers(false);
9746 : #endif
9747 38 : poLayer->DoJobAtTransactionRollback();
9748 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9749 38 : poLayer->DisableFeatureCount();
9750 : #endif
9751 : }
9752 : }
9753 :
9754 37 : const OGRErr eErr = OGRSQLiteBaseDataSource::RollbackTransaction();
9755 :
9756 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9757 37 : if (!abAddTriggers.empty())
9758 : {
9759 72 : for (size_t i = 0; i < m_apoLayers.size(); ++i)
9760 : {
9761 38 : auto &poLayer = m_apoLayers[i];
9762 38 : if (abTriggersDeletedInTransaction[i])
9763 : {
9764 7 : poLayer->SetOGRFeatureCountTriggersEnabled(true);
9765 : }
9766 : else
9767 : {
9768 31 : poLayer->SetAddOGRFeatureCountTriggers(abAddTriggers[i]);
9769 : }
9770 : }
9771 : }
9772 : #endif
9773 74 : return eErr;
9774 : }
9775 :
9776 : /************************************************************************/
9777 : /* GetGeometryTypeString() */
9778 : /************************************************************************/
9779 :
9780 : const char *
9781 1769 : GDALGeoPackageDataset::GetGeometryTypeString(OGRwkbGeometryType eType)
9782 : {
9783 1769 : const char *pszGPKGGeomType = OGRToOGCGeomType(eType);
9784 1781 : if (EQUAL(pszGPKGGeomType, "GEOMETRYCOLLECTION") &&
9785 12 : CPLTestBool(CPLGetConfigOption("OGR_GPKG_GEOMCOLLECTION", "NO")))
9786 : {
9787 0 : pszGPKGGeomType = "GEOMCOLLECTION";
9788 : }
9789 1769 : return pszGPKGGeomType;
9790 : }
9791 :
9792 : /************************************************************************/
9793 : /* GetFieldDomainNames() */
9794 : /************************************************************************/
9795 :
9796 : std::vector<std::string>
9797 15 : GDALGeoPackageDataset::GetFieldDomainNames(CSLConstList) const
9798 : {
9799 15 : if (!HasDataColumnConstraintsTable())
9800 3 : return std::vector<std::string>();
9801 :
9802 24 : std::vector<std::string> oDomainNamesList;
9803 :
9804 12 : std::unique_ptr<SQLResult> oResultTable;
9805 : {
9806 : std::string osSQL =
9807 : "SELECT DISTINCT constraint_name "
9808 : "FROM gpkg_data_column_constraints "
9809 : "WHERE constraint_name NOT LIKE '_%_domain_description' "
9810 : "ORDER BY constraint_name "
9811 12 : "LIMIT 10000" // to avoid denial of service
9812 : ;
9813 12 : oResultTable = SQLQuery(hDB, osSQL.c_str());
9814 12 : if (!oResultTable)
9815 0 : return oDomainNamesList;
9816 : }
9817 :
9818 12 : if (oResultTable->RowCount() == 10000)
9819 : {
9820 0 : CPLError(CE_Warning, CPLE_AppDefined,
9821 : "Number of rows returned for field domain names has been "
9822 : "truncated.");
9823 : }
9824 12 : else if (oResultTable->RowCount() > 0)
9825 : {
9826 11 : oDomainNamesList.reserve(oResultTable->RowCount());
9827 126 : for (int i = 0; i < oResultTable->RowCount(); i++)
9828 : {
9829 115 : const char *pszConstraintName = oResultTable->GetValue(0, i);
9830 115 : if (!pszConstraintName)
9831 0 : continue;
9832 :
9833 115 : oDomainNamesList.emplace_back(pszConstraintName);
9834 : }
9835 : }
9836 :
9837 12 : return oDomainNamesList;
9838 : }
9839 :
9840 : /************************************************************************/
9841 : /* GetFieldDomain() */
9842 : /************************************************************************/
9843 :
9844 : const OGRFieldDomain *
9845 139 : GDALGeoPackageDataset::GetFieldDomain(const std::string &name) const
9846 : {
9847 139 : const auto baseRet = GDALDataset::GetFieldDomain(name);
9848 139 : if (baseRet)
9849 43 : return baseRet;
9850 :
9851 96 : if (!HasDataColumnConstraintsTable())
9852 4 : return nullptr;
9853 :
9854 92 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
9855 92 : const char *min_is_inclusive =
9856 92 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
9857 92 : const char *max_is_inclusive =
9858 92 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
9859 :
9860 92 : std::unique_ptr<SQLResult> oResultTable;
9861 : // Note: for coded domains, we use a little trick by using a dummy
9862 : // _{domainname}_domain_description enum that has a single entry whose
9863 : // description is the description of the main domain.
9864 : {
9865 92 : char *pszSQL = sqlite3_mprintf(
9866 : "SELECT constraint_type, value, min, %s, "
9867 : "max, %s, description, constraint_name "
9868 : "FROM gpkg_data_column_constraints "
9869 : "WHERE constraint_name IN ('%q', "
9870 : "'_%q_domain_description') "
9871 : "AND length(constraint_type) < 100 " // to
9872 : // avoid
9873 : // denial
9874 : // of
9875 : // service
9876 : "AND (value IS NULL OR length(value) < "
9877 : "10000) " // to avoid denial
9878 : // of service
9879 : "AND (description IS NULL OR "
9880 : "length(description) < 10000) " // to
9881 : // avoid
9882 : // denial
9883 : // of
9884 : // service
9885 : "ORDER BY value "
9886 : "LIMIT 10000", // to avoid denial of
9887 : // service
9888 : min_is_inclusive, max_is_inclusive, name.c_str(), name.c_str());
9889 92 : oResultTable = SQLQuery(hDB, pszSQL);
9890 92 : sqlite3_free(pszSQL);
9891 92 : if (!oResultTable)
9892 0 : return nullptr;
9893 : }
9894 92 : if (oResultTable->RowCount() == 0)
9895 : {
9896 33 : return nullptr;
9897 : }
9898 59 : if (oResultTable->RowCount() == 10000)
9899 : {
9900 0 : CPLError(CE_Warning, CPLE_AppDefined,
9901 : "Number of rows returned for field domain %s has been "
9902 : "truncated.",
9903 : name.c_str());
9904 : }
9905 :
9906 : // Try to find the field domain data type from fields that implement it
9907 59 : int nFieldType = -1;
9908 59 : OGRFieldSubType eSubType = OFSTNone;
9909 59 : if (HasDataColumnsTable())
9910 : {
9911 54 : char *pszSQL = sqlite3_mprintf(
9912 : "SELECT table_name, column_name FROM gpkg_data_columns WHERE "
9913 : "constraint_name = '%q' LIMIT 10",
9914 : name.c_str());
9915 108 : auto oResultTable2 = SQLQuery(hDB, pszSQL);
9916 54 : sqlite3_free(pszSQL);
9917 54 : if (oResultTable2 && oResultTable2->RowCount() >= 1)
9918 : {
9919 60 : for (int iRecord = 0; iRecord < oResultTable2->RowCount();
9920 : iRecord++)
9921 : {
9922 30 : const char *pszTableName = oResultTable2->GetValue(0, iRecord);
9923 30 : const char *pszColumnName = oResultTable2->GetValue(1, iRecord);
9924 30 : if (pszTableName == nullptr || pszColumnName == nullptr)
9925 0 : continue;
9926 : OGRLayer *poLayer =
9927 60 : const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
9928 30 : pszTableName);
9929 30 : if (poLayer)
9930 : {
9931 30 : const auto poFDefn = poLayer->GetLayerDefn();
9932 30 : int nIdx = poFDefn->GetFieldIndex(pszColumnName);
9933 30 : if (nIdx >= 0)
9934 : {
9935 30 : const auto poFieldDefn = poFDefn->GetFieldDefn(nIdx);
9936 30 : const auto eType = poFieldDefn->GetType();
9937 30 : if (nFieldType < 0)
9938 : {
9939 30 : nFieldType = eType;
9940 30 : eSubType = poFieldDefn->GetSubType();
9941 : }
9942 0 : else if ((eType == OFTInteger64 || eType == OFTReal) &&
9943 : nFieldType == OFTInteger)
9944 : {
9945 : // ok
9946 : }
9947 0 : else if (eType == OFTInteger &&
9948 0 : (nFieldType == OFTInteger64 ||
9949 : nFieldType == OFTReal))
9950 : {
9951 0 : nFieldType = OFTInteger;
9952 0 : eSubType = OFSTNone;
9953 : }
9954 0 : else if (nFieldType != eType)
9955 : {
9956 0 : nFieldType = -1;
9957 0 : eSubType = OFSTNone;
9958 0 : break;
9959 : }
9960 : }
9961 : }
9962 : }
9963 : }
9964 : }
9965 :
9966 59 : std::unique_ptr<OGRFieldDomain> poDomain;
9967 118 : std::vector<OGRCodedValue> asValues;
9968 59 : bool error = false;
9969 118 : CPLString osLastConstraintType;
9970 59 : int nFieldTypeFromEnumCode = -1;
9971 118 : std::string osConstraintDescription;
9972 118 : std::string osDescrConstraintName("_");
9973 59 : osDescrConstraintName += name;
9974 59 : osDescrConstraintName += "_domain_description";
9975 148 : for (int iRecord = 0; iRecord < oResultTable->RowCount(); iRecord++)
9976 : {
9977 93 : const char *pszConstraintType = oResultTable->GetValue(0, iRecord);
9978 93 : if (pszConstraintType == nullptr)
9979 2 : continue;
9980 93 : const char *pszValue = oResultTable->GetValue(1, iRecord);
9981 93 : const char *pszMin = oResultTable->GetValue(2, iRecord);
9982 : const bool bIsMinIncluded =
9983 93 : oResultTable->GetValueAsInteger(3, iRecord) == 1;
9984 93 : const char *pszMax = oResultTable->GetValue(4, iRecord);
9985 : const bool bIsMaxIncluded =
9986 93 : oResultTable->GetValueAsInteger(5, iRecord) == 1;
9987 93 : const char *pszDescription = oResultTable->GetValue(6, iRecord);
9988 93 : const char *pszConstraintName = oResultTable->GetValue(7, iRecord);
9989 :
9990 93 : if (!osLastConstraintType.empty() && osLastConstraintType != "enum")
9991 : {
9992 1 : CPLError(CE_Failure, CPLE_AppDefined,
9993 : "Only constraint of type 'enum' can have multiple rows");
9994 1 : error = true;
9995 4 : break;
9996 : }
9997 :
9998 92 : if (strcmp(pszConstraintType, "enum") == 0)
9999 : {
10000 65 : if (pszValue == nullptr)
10001 : {
10002 1 : CPLError(CE_Failure, CPLE_AppDefined,
10003 : "NULL in 'value' column of enumeration");
10004 1 : error = true;
10005 1 : break;
10006 : }
10007 64 : if (osDescrConstraintName == pszConstraintName)
10008 : {
10009 2 : if (pszDescription)
10010 : {
10011 2 : osConstraintDescription = pszDescription;
10012 : }
10013 2 : continue;
10014 : }
10015 62 : if (asValues.empty())
10016 : {
10017 31 : asValues.reserve(oResultTable->RowCount() + 1);
10018 : }
10019 : OGRCodedValue cv;
10020 : // intended: the 'value' column in GPKG is actually the code
10021 62 : cv.pszCode = VSI_STRDUP_VERBOSE(pszValue);
10022 62 : if (cv.pszCode == nullptr)
10023 : {
10024 0 : error = true;
10025 0 : break;
10026 : }
10027 62 : if (pszDescription)
10028 : {
10029 49 : cv.pszValue = VSI_STRDUP_VERBOSE(pszDescription);
10030 49 : if (cv.pszValue == nullptr)
10031 : {
10032 0 : VSIFree(cv.pszCode);
10033 0 : error = true;
10034 0 : break;
10035 : }
10036 : }
10037 : else
10038 : {
10039 13 : cv.pszValue = nullptr;
10040 : }
10041 :
10042 : // If we can't get the data type from field definition, guess it
10043 : // from code.
10044 62 : if (nFieldType < 0 && nFieldTypeFromEnumCode != OFTString)
10045 : {
10046 36 : switch (CPLGetValueType(cv.pszCode))
10047 : {
10048 26 : case CPL_VALUE_INTEGER:
10049 : {
10050 26 : if (nFieldTypeFromEnumCode != OFTReal &&
10051 : nFieldTypeFromEnumCode != OFTInteger64)
10052 : {
10053 18 : const auto nVal = CPLAtoGIntBig(cv.pszCode);
10054 34 : if (nVal < std::numeric_limits<int>::min() ||
10055 16 : nVal > std::numeric_limits<int>::max())
10056 : {
10057 6 : nFieldTypeFromEnumCode = OFTInteger64;
10058 : }
10059 : else
10060 : {
10061 12 : nFieldTypeFromEnumCode = OFTInteger;
10062 : }
10063 : }
10064 26 : break;
10065 : }
10066 :
10067 6 : case CPL_VALUE_REAL:
10068 6 : nFieldTypeFromEnumCode = OFTReal;
10069 6 : break;
10070 :
10071 4 : case CPL_VALUE_STRING:
10072 4 : nFieldTypeFromEnumCode = OFTString;
10073 4 : break;
10074 : }
10075 : }
10076 :
10077 62 : asValues.emplace_back(cv);
10078 : }
10079 27 : else if (strcmp(pszConstraintType, "range") == 0)
10080 : {
10081 : OGRField sMin;
10082 : OGRField sMax;
10083 20 : OGR_RawField_SetUnset(&sMin);
10084 20 : OGR_RawField_SetUnset(&sMax);
10085 20 : if (nFieldType != OFTInteger && nFieldType != OFTInteger64)
10086 11 : nFieldType = OFTReal;
10087 39 : if (pszMin != nullptr &&
10088 19 : CPLAtof(pszMin) != -std::numeric_limits<double>::infinity())
10089 : {
10090 15 : if (nFieldType == OFTInteger)
10091 6 : sMin.Integer = atoi(pszMin);
10092 9 : else if (nFieldType == OFTInteger64)
10093 3 : sMin.Integer64 = CPLAtoGIntBig(pszMin);
10094 : else /* if( nFieldType == OFTReal ) */
10095 6 : sMin.Real = CPLAtof(pszMin);
10096 : }
10097 39 : if (pszMax != nullptr &&
10098 19 : CPLAtof(pszMax) != std::numeric_limits<double>::infinity())
10099 : {
10100 15 : if (nFieldType == OFTInteger)
10101 6 : sMax.Integer = atoi(pszMax);
10102 9 : else if (nFieldType == OFTInteger64)
10103 3 : sMax.Integer64 = CPLAtoGIntBig(pszMax);
10104 : else /* if( nFieldType == OFTReal ) */
10105 6 : sMax.Real = CPLAtof(pszMax);
10106 : }
10107 20 : poDomain = std::make_unique<OGRRangeFieldDomain>(
10108 20 : name, pszDescription ? pszDescription : "",
10109 40 : static_cast<OGRFieldType>(nFieldType), eSubType, sMin,
10110 20 : bIsMinIncluded, sMax, bIsMaxIncluded);
10111 : }
10112 7 : else if (strcmp(pszConstraintType, "glob") == 0)
10113 : {
10114 6 : if (pszValue == nullptr)
10115 : {
10116 1 : CPLError(CE_Failure, CPLE_AppDefined,
10117 : "NULL in 'value' column of glob");
10118 1 : error = true;
10119 1 : break;
10120 : }
10121 5 : if (nFieldType < 0)
10122 1 : nFieldType = OFTString;
10123 5 : poDomain = std::make_unique<OGRGlobFieldDomain>(
10124 5 : name, pszDescription ? pszDescription : "",
10125 15 : static_cast<OGRFieldType>(nFieldType), eSubType, pszValue);
10126 : }
10127 : else
10128 : {
10129 1 : CPLError(CE_Failure, CPLE_AppDefined,
10130 : "Unhandled constraint_type: %s", pszConstraintType);
10131 1 : error = true;
10132 1 : break;
10133 : }
10134 :
10135 87 : osLastConstraintType = pszConstraintType;
10136 : }
10137 :
10138 59 : if (!asValues.empty())
10139 : {
10140 31 : if (nFieldType < 0)
10141 18 : nFieldType = nFieldTypeFromEnumCode;
10142 31 : poDomain = std::make_unique<OGRCodedFieldDomain>(
10143 : name, osConstraintDescription,
10144 62 : static_cast<OGRFieldType>(nFieldType), eSubType,
10145 62 : std::move(asValues));
10146 : }
10147 :
10148 59 : if (error)
10149 : {
10150 4 : return nullptr;
10151 : }
10152 :
10153 55 : m_oMapFieldDomains[name] = std::move(poDomain);
10154 55 : return GDALDataset::GetFieldDomain(name);
10155 : }
10156 :
10157 : /************************************************************************/
10158 : /* AddFieldDomain() */
10159 : /************************************************************************/
10160 :
10161 19 : bool GDALGeoPackageDataset::AddFieldDomain(
10162 : std::unique_ptr<OGRFieldDomain> &&domain, std::string &failureReason)
10163 : {
10164 38 : const std::string domainName(domain->GetName());
10165 19 : if (!GetUpdate())
10166 : {
10167 0 : CPLError(CE_Failure, CPLE_NotSupported,
10168 : "AddFieldDomain() not supported on read-only dataset");
10169 0 : return false;
10170 : }
10171 19 : if (GetFieldDomain(domainName) != nullptr)
10172 : {
10173 1 : failureReason = "A domain of identical name already exists";
10174 1 : return false;
10175 : }
10176 18 : if (!CreateColumnsTableAndColumnConstraintsTablesIfNecessary())
10177 0 : return false;
10178 :
10179 18 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
10180 18 : const char *min_is_inclusive =
10181 18 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
10182 18 : const char *max_is_inclusive =
10183 18 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
10184 :
10185 18 : const auto &osDescription = domain->GetDescription();
10186 18 : switch (domain->GetDomainType())
10187 : {
10188 11 : case OFDT_CODED:
10189 : {
10190 : const auto poCodedDomain =
10191 11 : cpl::down_cast<const OGRCodedFieldDomain *>(domain.get());
10192 11 : if (!osDescription.empty())
10193 : {
10194 : // We use a little trick by using a dummy
10195 : // _{domainname}_domain_description enum that has a single
10196 : // entry whose description is the description of the main
10197 : // domain.
10198 1 : char *pszSQL = sqlite3_mprintf(
10199 : "INSERT INTO gpkg_data_column_constraints ("
10200 : "constraint_name, constraint_type, value, "
10201 : "min, %s, max, %s, "
10202 : "description) VALUES ("
10203 : "'_%q_domain_description', 'enum', '', NULL, NULL, NULL, "
10204 : "NULL, %Q)",
10205 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10206 : osDescription.c_str());
10207 1 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
10208 1 : sqlite3_free(pszSQL);
10209 : }
10210 11 : const auto &enumeration = poCodedDomain->GetEnumeration();
10211 33 : for (int i = 0; enumeration[i].pszCode != nullptr; ++i)
10212 : {
10213 22 : char *pszSQL = sqlite3_mprintf(
10214 : "INSERT INTO gpkg_data_column_constraints ("
10215 : "constraint_name, constraint_type, value, "
10216 : "min, %s, max, %s, "
10217 : "description) VALUES ("
10218 : "'%q', 'enum', '%q', NULL, NULL, NULL, NULL, %Q)",
10219 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10220 22 : enumeration[i].pszCode, enumeration[i].pszValue);
10221 22 : bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10222 22 : sqlite3_free(pszSQL);
10223 22 : if (!ok)
10224 0 : return false;
10225 : }
10226 11 : break;
10227 : }
10228 :
10229 6 : case OFDT_RANGE:
10230 : {
10231 : const auto poRangeDomain =
10232 6 : cpl::down_cast<const OGRRangeFieldDomain *>(domain.get());
10233 6 : const auto eFieldType = poRangeDomain->GetFieldType();
10234 6 : if (eFieldType != OFTInteger && eFieldType != OFTInteger64 &&
10235 : eFieldType != OFTReal)
10236 : {
10237 : failureReason = "Only range domains of numeric type are "
10238 0 : "supported in GeoPackage";
10239 0 : return false;
10240 : }
10241 :
10242 6 : double dfMin = -std::numeric_limits<double>::infinity();
10243 6 : double dfMax = std::numeric_limits<double>::infinity();
10244 6 : bool bMinIsInclusive = true;
10245 6 : const auto &sMin = poRangeDomain->GetMin(bMinIsInclusive);
10246 6 : bool bMaxIsInclusive = true;
10247 6 : const auto &sMax = poRangeDomain->GetMax(bMaxIsInclusive);
10248 6 : if (eFieldType == OFTInteger)
10249 : {
10250 2 : if (!OGR_RawField_IsUnset(&sMin))
10251 2 : dfMin = sMin.Integer;
10252 2 : if (!OGR_RawField_IsUnset(&sMax))
10253 2 : dfMax = sMax.Integer;
10254 : }
10255 4 : else if (eFieldType == OFTInteger64)
10256 : {
10257 1 : if (!OGR_RawField_IsUnset(&sMin))
10258 1 : dfMin = static_cast<double>(sMin.Integer64);
10259 1 : if (!OGR_RawField_IsUnset(&sMax))
10260 1 : dfMax = static_cast<double>(sMax.Integer64);
10261 : }
10262 : else /* if( eFieldType == OFTReal ) */
10263 : {
10264 3 : if (!OGR_RawField_IsUnset(&sMin))
10265 3 : dfMin = sMin.Real;
10266 3 : if (!OGR_RawField_IsUnset(&sMax))
10267 3 : dfMax = sMax.Real;
10268 : }
10269 :
10270 6 : sqlite3_stmt *hInsertStmt = nullptr;
10271 : const char *pszSQL =
10272 6 : CPLSPrintf("INSERT INTO gpkg_data_column_constraints ("
10273 : "constraint_name, constraint_type, value, "
10274 : "min, %s, max, %s, "
10275 : "description) VALUES ("
10276 : "?, 'range', NULL, ?, ?, ?, ?, ?)",
10277 : min_is_inclusive, max_is_inclusive);
10278 6 : if (SQLPrepareWithError(hDB, pszSQL, -1, &hInsertStmt, nullptr) !=
10279 : SQLITE_OK)
10280 : {
10281 0 : return false;
10282 : }
10283 6 : sqlite3_bind_text(hInsertStmt, 1, domainName.c_str(),
10284 6 : static_cast<int>(domainName.size()),
10285 : SQLITE_TRANSIENT);
10286 6 : sqlite3_bind_double(hInsertStmt, 2, dfMin);
10287 6 : sqlite3_bind_int(hInsertStmt, 3, bMinIsInclusive ? 1 : 0);
10288 6 : sqlite3_bind_double(hInsertStmt, 4, dfMax);
10289 6 : sqlite3_bind_int(hInsertStmt, 5, bMaxIsInclusive ? 1 : 0);
10290 6 : if (osDescription.empty())
10291 : {
10292 3 : sqlite3_bind_null(hInsertStmt, 6);
10293 : }
10294 : else
10295 : {
10296 3 : sqlite3_bind_text(hInsertStmt, 6, osDescription.c_str(),
10297 3 : static_cast<int>(osDescription.size()),
10298 : SQLITE_TRANSIENT);
10299 : }
10300 6 : const int sqlite_err = sqlite3_step(hInsertStmt);
10301 6 : sqlite3_finalize(hInsertStmt);
10302 6 : if (sqlite_err != SQLITE_OK && sqlite_err != SQLITE_DONE)
10303 : {
10304 0 : CPLError(CE_Failure, CPLE_AppDefined,
10305 : "failed to execute insertion '%s': %s", pszSQL,
10306 : sqlite3_errmsg(hDB));
10307 0 : return false;
10308 : }
10309 :
10310 6 : break;
10311 : }
10312 :
10313 1 : case OFDT_GLOB:
10314 : {
10315 : const auto poGlobDomain =
10316 1 : cpl::down_cast<const OGRGlobFieldDomain *>(domain.get());
10317 2 : char *pszSQL = sqlite3_mprintf(
10318 : "INSERT INTO gpkg_data_column_constraints ("
10319 : "constraint_name, constraint_type, value, "
10320 : "min, %s, max, %s, "
10321 : "description) VALUES ("
10322 : "'%q', 'glob', '%q', NULL, NULL, NULL, NULL, %Q)",
10323 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10324 1 : poGlobDomain->GetGlob().c_str(),
10325 2 : osDescription.empty() ? nullptr : osDescription.c_str());
10326 1 : bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10327 1 : sqlite3_free(pszSQL);
10328 1 : if (!ok)
10329 0 : return false;
10330 :
10331 1 : break;
10332 : }
10333 : }
10334 :
10335 18 : m_oMapFieldDomains[domainName] = std::move(domain);
10336 18 : return true;
10337 : }
10338 :
10339 : /************************************************************************/
10340 : /* UpdateFieldDomain() */
10341 : /************************************************************************/
10342 :
10343 3 : bool GDALGeoPackageDataset::UpdateFieldDomain(
10344 : std::unique_ptr<OGRFieldDomain> &&domain, std::string &failureReason)
10345 : {
10346 6 : const std::string domainName(domain->GetName());
10347 3 : if (eAccess != GA_Update)
10348 : {
10349 1 : CPLError(CE_Failure, CPLE_NotSupported,
10350 : "UpdateFieldDomain() not supported on read-only dataset");
10351 1 : return false;
10352 : }
10353 :
10354 2 : if (GetFieldDomain(domainName) == nullptr)
10355 : {
10356 1 : failureReason = "The domain should already exist to be updated";
10357 1 : return false;
10358 : }
10359 :
10360 1 : bool bRet = SoftStartTransaction() == OGRERR_NONE;
10361 1 : if (bRet)
10362 : {
10363 2 : bRet = DeleteFieldDomain(domainName, failureReason) &&
10364 1 : AddFieldDomain(std::move(domain), failureReason);
10365 1 : if (bRet)
10366 1 : bRet = SoftCommitTransaction() == OGRERR_NONE;
10367 : else
10368 0 : SoftRollbackTransaction();
10369 : }
10370 1 : return bRet;
10371 : }
10372 :
10373 : /************************************************************************/
10374 : /* DeleteFieldDomain() */
10375 : /************************************************************************/
10376 :
10377 18 : bool GDALGeoPackageDataset::DeleteFieldDomain(const std::string &name,
10378 : std::string &failureReason)
10379 : {
10380 18 : if (eAccess != GA_Update)
10381 : {
10382 1 : CPLError(CE_Failure, CPLE_NotSupported,
10383 : "DeleteFieldDomain() not supported on read-only dataset");
10384 1 : return false;
10385 : }
10386 17 : if (GetFieldDomain(name) == nullptr)
10387 : {
10388 1 : failureReason = "Domain does not exist";
10389 1 : return false;
10390 : }
10391 :
10392 : char *pszSQL =
10393 16 : sqlite3_mprintf("DELETE FROM gpkg_data_column_constraints WHERE "
10394 : "constraint_name IN ('%q', '_%q_domain_description')",
10395 : name.c_str(), name.c_str());
10396 16 : const bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10397 16 : sqlite3_free(pszSQL);
10398 16 : if (ok)
10399 16 : m_oMapFieldDomains.erase(name);
10400 16 : return ok;
10401 : }
10402 :
10403 : /************************************************************************/
10404 : /* AddRelationship() */
10405 : /************************************************************************/
10406 :
10407 26 : bool GDALGeoPackageDataset::AddRelationship(
10408 : std::unique_ptr<GDALRelationship> &&relationship,
10409 : std::string &failureReason)
10410 : {
10411 26 : if (!GetUpdate())
10412 : {
10413 0 : CPLError(CE_Failure, CPLE_NotSupported,
10414 : "AddRelationship() not supported on read-only dataset");
10415 0 : return false;
10416 : }
10417 :
10418 : const std::string osRelationshipName = GenerateNameForRelationship(
10419 26 : relationship->GetLeftTableName().c_str(),
10420 26 : relationship->GetRightTableName().c_str(),
10421 104 : relationship->GetRelatedTableType().c_str());
10422 : // sanity checks
10423 26 : if (GetRelationship(osRelationshipName) != nullptr)
10424 : {
10425 1 : failureReason = "A relationship of identical name already exists";
10426 1 : return false;
10427 : }
10428 :
10429 25 : if (!ValidateRelationship(relationship.get(), failureReason))
10430 : {
10431 14 : return false;
10432 : }
10433 :
10434 75 : for (auto &poLayer : m_apoLayers)
10435 : {
10436 64 : if (poLayer->SyncToDisk() != OGRERR_NONE)
10437 0 : return false;
10438 : }
10439 :
10440 11 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
10441 : {
10442 0 : return false;
10443 : }
10444 11 : if (!CreateRelationsTableIfNecessary())
10445 : {
10446 0 : failureReason = "Could not create gpkgext_relations table";
10447 0 : return false;
10448 : }
10449 11 : if (SQLGetInteger(GetDB(),
10450 : "SELECT 1 FROM gpkg_extensions WHERE "
10451 : "table_name = 'gpkgext_relations'",
10452 11 : nullptr) != 1)
10453 : {
10454 5 : if (OGRERR_NONE !=
10455 5 : SQLCommand(
10456 : GetDB(),
10457 : "INSERT INTO gpkg_extensions "
10458 : "(table_name,column_name,extension_name,definition,scope) "
10459 : "VALUES ('gpkgext_relations', NULL, 'gpkg_related_tables', "
10460 : "'http://www.geopackage.org/18-000.html', "
10461 : "'read-write')"))
10462 : {
10463 : failureReason =
10464 0 : "Could not create gpkg_extensions entry for gpkgext_relations";
10465 0 : return false;
10466 : }
10467 : }
10468 :
10469 11 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10470 11 : const std::string &osRightTableName = relationship->GetRightTableName();
10471 11 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10472 11 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10473 :
10474 22 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10475 11 : if (osRelatedTableType.empty())
10476 : {
10477 5 : osRelatedTableType = "features";
10478 : }
10479 :
10480 : // generate mapping table if not set
10481 22 : CPLString osMappingTableName = relationship->GetMappingTableName();
10482 11 : if (osMappingTableName.empty())
10483 : {
10484 5 : int nIndex = 1;
10485 5 : osMappingTableName = osLeftTableName + "_" + osRightTableName;
10486 5 : while (FindLayerIndex(osMappingTableName.c_str()) >= 0)
10487 : {
10488 0 : nIndex += 1;
10489 : osMappingTableName.Printf("%s_%s_%d", osLeftTableName.c_str(),
10490 0 : osRightTableName.c_str(), nIndex);
10491 : }
10492 :
10493 : // determine whether base/related keys are unique
10494 5 : bool bBaseKeyIsUnique = false;
10495 : {
10496 : const std::set<std::string> uniqueBaseFieldsUC =
10497 : SQLGetUniqueFieldUCConstraints(GetDB(),
10498 10 : osLeftTableName.c_str());
10499 10 : if (uniqueBaseFieldsUC.find(
10500 5 : CPLString(aosLeftTableFields[0]).toupper()) !=
10501 10 : uniqueBaseFieldsUC.end())
10502 : {
10503 2 : bBaseKeyIsUnique = true;
10504 : }
10505 : }
10506 5 : bool bRelatedKeyIsUnique = false;
10507 : {
10508 : const std::set<std::string> uniqueRelatedFieldsUC =
10509 : SQLGetUniqueFieldUCConstraints(GetDB(),
10510 10 : osRightTableName.c_str());
10511 10 : if (uniqueRelatedFieldsUC.find(
10512 5 : CPLString(aosRightTableFields[0]).toupper()) !=
10513 10 : uniqueRelatedFieldsUC.end())
10514 : {
10515 2 : bRelatedKeyIsUnique = true;
10516 : }
10517 : }
10518 :
10519 : // create mapping table
10520 :
10521 5 : std::string osBaseIdDefinition = "base_id INTEGER";
10522 5 : if (bBaseKeyIsUnique)
10523 : {
10524 2 : char *pszSQL = sqlite3_mprintf(
10525 : " CONSTRAINT 'fk_base_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10526 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10527 : "DEFERRED",
10528 : osMappingTableName.c_str(), osLeftTableName.c_str(),
10529 2 : aosLeftTableFields[0].c_str());
10530 2 : osBaseIdDefinition += pszSQL;
10531 2 : sqlite3_free(pszSQL);
10532 : }
10533 :
10534 5 : std::string osRelatedIdDefinition = "related_id INTEGER";
10535 5 : if (bRelatedKeyIsUnique)
10536 : {
10537 2 : char *pszSQL = sqlite3_mprintf(
10538 : " CONSTRAINT 'fk_related_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10539 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10540 : "DEFERRED",
10541 : osMappingTableName.c_str(), osRightTableName.c_str(),
10542 2 : aosRightTableFields[0].c_str());
10543 2 : osRelatedIdDefinition += pszSQL;
10544 2 : sqlite3_free(pszSQL);
10545 : }
10546 :
10547 5 : char *pszSQL = sqlite3_mprintf("CREATE TABLE \"%w\" ("
10548 : "id INTEGER PRIMARY KEY AUTOINCREMENT, "
10549 : "%s, %s);",
10550 : osMappingTableName.c_str(),
10551 : osBaseIdDefinition.c_str(),
10552 : osRelatedIdDefinition.c_str());
10553 5 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10554 5 : sqlite3_free(pszSQL);
10555 5 : if (eErr != OGRERR_NONE)
10556 : {
10557 : failureReason =
10558 0 : ("Could not create mapping table " + osMappingTableName)
10559 0 : .c_str();
10560 0 : return false;
10561 : }
10562 :
10563 : /*
10564 : * Strictly speaking we should NOT be inserting the mapping table into gpkg_contents.
10565 : * The related tables extension explicitly states that the mapping table should only be
10566 : * in the gpkgext_relations table and not in gpkg_contents. (See also discussion at
10567 : * https://github.com/opengeospatial/geopackage/issues/679).
10568 : *
10569 : * However, if we don't insert the mapping table into gpkg_contents then it is no longer
10570 : * visible to some clients (eg ESRI software only allows opening tables that are present
10571 : * in gpkg_contents). So we'll do this anyway, for maximum compatibility and flexibility.
10572 : *
10573 : * More related discussion is at https://github.com/OSGeo/gdal/pull/9258
10574 : */
10575 5 : pszSQL = sqlite3_mprintf(
10576 : "INSERT INTO gpkg_contents "
10577 : "(table_name,data_type,identifier,description,last_change,srs_id) "
10578 : "VALUES "
10579 : "('%q','attributes','%q','Mapping table for relationship between "
10580 : "%q and %q',%s,0)",
10581 : osMappingTableName.c_str(), /*table_name*/
10582 : osMappingTableName.c_str(), /*identifier*/
10583 : osLeftTableName.c_str(), /*description left table name*/
10584 : osRightTableName.c_str(), /*description right table name*/
10585 10 : GDALGeoPackageDataset::GetCurrentDateEscapedSQL().c_str());
10586 :
10587 : // Note -- we explicitly ignore failures here, because hey, we aren't really
10588 : // supposed to be adding this table to gpkg_contents anyway!
10589 5 : (void)SQLCommand(hDB, pszSQL);
10590 5 : sqlite3_free(pszSQL);
10591 :
10592 5 : pszSQL = sqlite3_mprintf(
10593 : "CREATE INDEX \"idx_%w_base_id\" ON \"%w\" (base_id);",
10594 : osMappingTableName.c_str(), osMappingTableName.c_str());
10595 5 : eErr = SQLCommand(hDB, pszSQL);
10596 5 : sqlite3_free(pszSQL);
10597 5 : if (eErr != OGRERR_NONE)
10598 : {
10599 0 : failureReason = ("Could not create index for " +
10600 0 : osMappingTableName + " (base_id)")
10601 0 : .c_str();
10602 0 : return false;
10603 : }
10604 :
10605 5 : pszSQL = sqlite3_mprintf(
10606 : "CREATE INDEX \"idx_%qw_related_id\" ON \"%w\" (related_id);",
10607 : osMappingTableName.c_str(), osMappingTableName.c_str());
10608 5 : eErr = SQLCommand(hDB, pszSQL);
10609 5 : sqlite3_free(pszSQL);
10610 5 : if (eErr != OGRERR_NONE)
10611 : {
10612 0 : failureReason = ("Could not create index for " +
10613 0 : osMappingTableName + " (related_id)")
10614 0 : .c_str();
10615 0 : return false;
10616 : }
10617 :
10618 : auto poLayer = std::make_unique<OGRGeoPackageTableLayer>(
10619 10 : this, osMappingTableName.c_str());
10620 5 : poLayer->SetOpeningParameters(osMappingTableName.c_str(), "table",
10621 : /* bIsInGpkgContents = */ true,
10622 : /* bIsSpatial = */ false,
10623 : /* pszGeomColName =*/nullptr,
10624 : /* pszGeomType =*/nullptr,
10625 : /* bHasZ = */ false, /* bHasM = */ false);
10626 5 : m_apoLayers.push_back(std::move(poLayer));
10627 : }
10628 : else
10629 : {
10630 : // validate mapping table structure
10631 6 : if (OGRGeoPackageTableLayer *poLayer =
10632 6 : cpl::down_cast<OGRGeoPackageTableLayer *>(
10633 6 : GetLayerByName(osMappingTableName)))
10634 : {
10635 4 : if (poLayer->GetLayerDefn()->GetFieldIndex("base_id") < 0)
10636 : {
10637 : failureReason =
10638 2 : ("Field base_id must exist in " + osMappingTableName)
10639 1 : .c_str();
10640 1 : return false;
10641 : }
10642 3 : if (poLayer->GetLayerDefn()->GetFieldIndex("related_id") < 0)
10643 : {
10644 : failureReason =
10645 2 : ("Field related_id must exist in " + osMappingTableName)
10646 1 : .c_str();
10647 1 : return false;
10648 : }
10649 : }
10650 : else
10651 : {
10652 : failureReason =
10653 2 : ("Could not retrieve table " + osMappingTableName).c_str();
10654 2 : return false;
10655 : }
10656 : }
10657 :
10658 7 : char *pszSQL = sqlite3_mprintf(
10659 : "INSERT INTO gpkg_extensions "
10660 : "(table_name,column_name,extension_name,definition,scope) "
10661 : "VALUES ('%q', NULL, 'gpkg_related_tables', "
10662 : "'http://www.geopackage.org/18-000.html', "
10663 : "'read-write')",
10664 : osMappingTableName.c_str());
10665 7 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10666 7 : sqlite3_free(pszSQL);
10667 7 : if (eErr != OGRERR_NONE)
10668 : {
10669 0 : failureReason = ("Could not insert mapping table " +
10670 0 : osMappingTableName + " into gpkg_extensions")
10671 0 : .c_str();
10672 0 : return false;
10673 : }
10674 :
10675 21 : pszSQL = sqlite3_mprintf(
10676 : "INSERT INTO gpkgext_relations "
10677 : "(base_table_name,base_primary_column,related_table_name,related_"
10678 : "primary_column,relation_name,mapping_table_name) "
10679 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10680 7 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10681 7 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10682 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10683 7 : eErr = SQLCommand(hDB, pszSQL);
10684 7 : sqlite3_free(pszSQL);
10685 7 : if (eErr != OGRERR_NONE)
10686 : {
10687 0 : failureReason = "Could not insert relationship into gpkgext_relations";
10688 0 : return false;
10689 : }
10690 :
10691 7 : ClearCachedRelationships();
10692 7 : LoadRelationships();
10693 7 : return true;
10694 : }
10695 :
10696 : /************************************************************************/
10697 : /* DeleteRelationship() */
10698 : /************************************************************************/
10699 :
10700 4 : bool GDALGeoPackageDataset::DeleteRelationship(const std::string &name,
10701 : std::string &failureReason)
10702 : {
10703 4 : if (eAccess != GA_Update)
10704 : {
10705 0 : CPLError(CE_Failure, CPLE_NotSupported,
10706 : "DeleteRelationship() not supported on read-only dataset");
10707 0 : return false;
10708 : }
10709 :
10710 : // ensure relationships are up to date before we try to remove one
10711 4 : ClearCachedRelationships();
10712 4 : LoadRelationships();
10713 :
10714 8 : std::string osMappingTableName;
10715 : {
10716 4 : const GDALRelationship *poRelationship = GetRelationship(name);
10717 4 : if (poRelationship == nullptr)
10718 : {
10719 1 : failureReason = "Could not find relationship with name " + name;
10720 1 : return false;
10721 : }
10722 :
10723 3 : osMappingTableName = poRelationship->GetMappingTableName();
10724 : }
10725 :
10726 : // DeleteLayerCommon will delete existing relationship objects, so we can't
10727 : // refer to poRelationship or any of its members previously obtained here
10728 3 : if (DeleteLayerCommon(osMappingTableName.c_str()) != OGRERR_NONE)
10729 : {
10730 : failureReason =
10731 0 : "Could not remove mapping layer name " + osMappingTableName;
10732 :
10733 : // relationships may have been left in an inconsistent state -- reload
10734 : // them now
10735 0 : ClearCachedRelationships();
10736 0 : LoadRelationships();
10737 0 : return false;
10738 : }
10739 :
10740 3 : ClearCachedRelationships();
10741 3 : LoadRelationships();
10742 3 : return true;
10743 : }
10744 :
10745 : /************************************************************************/
10746 : /* UpdateRelationship() */
10747 : /************************************************************************/
10748 :
10749 6 : bool GDALGeoPackageDataset::UpdateRelationship(
10750 : std::unique_ptr<GDALRelationship> &&relationship,
10751 : std::string &failureReason)
10752 : {
10753 6 : if (eAccess != GA_Update)
10754 : {
10755 0 : CPLError(CE_Failure, CPLE_NotSupported,
10756 : "UpdateRelationship() not supported on read-only dataset");
10757 0 : return false;
10758 : }
10759 :
10760 : // ensure relationships are up to date before we try to update one
10761 6 : ClearCachedRelationships();
10762 6 : LoadRelationships();
10763 :
10764 6 : const std::string &osRelationshipName = relationship->GetName();
10765 6 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10766 6 : const std::string &osRightTableName = relationship->GetRightTableName();
10767 6 : const std::string &osMappingTableName = relationship->GetMappingTableName();
10768 6 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10769 6 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10770 :
10771 : // sanity checks
10772 : {
10773 : const GDALRelationship *poExistingRelationship =
10774 6 : GetRelationship(osRelationshipName);
10775 6 : if (poExistingRelationship == nullptr)
10776 : {
10777 : failureReason =
10778 1 : "The relationship should already exist to be updated";
10779 1 : return false;
10780 : }
10781 :
10782 5 : if (!ValidateRelationship(relationship.get(), failureReason))
10783 : {
10784 2 : return false;
10785 : }
10786 :
10787 : // we don't permit changes to the participating tables
10788 3 : if (osLeftTableName != poExistingRelationship->GetLeftTableName())
10789 : {
10790 0 : failureReason = ("Cannot change base table from " +
10791 0 : poExistingRelationship->GetLeftTableName() +
10792 0 : " to " + osLeftTableName)
10793 0 : .c_str();
10794 0 : return false;
10795 : }
10796 3 : if (osRightTableName != poExistingRelationship->GetRightTableName())
10797 : {
10798 0 : failureReason = ("Cannot change related table from " +
10799 0 : poExistingRelationship->GetRightTableName() +
10800 0 : " to " + osRightTableName)
10801 0 : .c_str();
10802 0 : return false;
10803 : }
10804 3 : if (osMappingTableName != poExistingRelationship->GetMappingTableName())
10805 : {
10806 0 : failureReason = ("Cannot change mapping table from " +
10807 0 : poExistingRelationship->GetMappingTableName() +
10808 0 : " to " + osMappingTableName)
10809 0 : .c_str();
10810 0 : return false;
10811 : }
10812 : }
10813 :
10814 6 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10815 3 : if (osRelatedTableType.empty())
10816 : {
10817 0 : osRelatedTableType = "features";
10818 : }
10819 :
10820 3 : char *pszSQL = sqlite3_mprintf(
10821 : "DELETE FROM gpkgext_relations WHERE mapping_table_name='%q'",
10822 : osMappingTableName.c_str());
10823 3 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10824 3 : sqlite3_free(pszSQL);
10825 3 : if (eErr != OGRERR_NONE)
10826 : {
10827 : failureReason =
10828 0 : "Could not delete old relationship from gpkgext_relations";
10829 0 : return false;
10830 : }
10831 :
10832 9 : pszSQL = sqlite3_mprintf(
10833 : "INSERT INTO gpkgext_relations "
10834 : "(base_table_name,base_primary_column,related_table_name,related_"
10835 : "primary_column,relation_name,mapping_table_name) "
10836 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10837 3 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10838 3 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10839 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10840 3 : eErr = SQLCommand(hDB, pszSQL);
10841 3 : sqlite3_free(pszSQL);
10842 3 : if (eErr != OGRERR_NONE)
10843 : {
10844 : failureReason =
10845 0 : "Could not insert updated relationship into gpkgext_relations";
10846 0 : return false;
10847 : }
10848 :
10849 3 : ClearCachedRelationships();
10850 3 : LoadRelationships();
10851 3 : return true;
10852 : }
10853 :
10854 : /************************************************************************/
10855 : /* GetSqliteMasterContent() */
10856 : /************************************************************************/
10857 :
10858 : const std::vector<SQLSqliteMasterContent> &
10859 2 : GDALGeoPackageDataset::GetSqliteMasterContent()
10860 : {
10861 2 : if (m_aoSqliteMasterContent.empty())
10862 : {
10863 : auto oResultTable =
10864 2 : SQLQuery(hDB, "SELECT sql, type, tbl_name FROM sqlite_master");
10865 1 : if (oResultTable)
10866 : {
10867 58 : for (int rowCnt = 0; rowCnt < oResultTable->RowCount(); ++rowCnt)
10868 : {
10869 114 : SQLSqliteMasterContent row;
10870 57 : const char *pszSQL = oResultTable->GetValue(0, rowCnt);
10871 57 : row.osSQL = pszSQL ? pszSQL : "";
10872 57 : const char *pszType = oResultTable->GetValue(1, rowCnt);
10873 57 : row.osType = pszType ? pszType : "";
10874 57 : const char *pszTableName = oResultTable->GetValue(2, rowCnt);
10875 57 : row.osTableName = pszTableName ? pszTableName : "";
10876 57 : m_aoSqliteMasterContent.emplace_back(std::move(row));
10877 : }
10878 : }
10879 : }
10880 2 : return m_aoSqliteMasterContent;
10881 : }
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