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 "gdalwarper.h"
18 : #include "gdal_utils.h"
19 : #include "ogrgeopackageutility.h"
20 : #include "ogrsqliteutility.h"
21 : #include "ogr_wkb.h"
22 : #include "vrt/vrtdataset.h"
23 :
24 : #include "tilematrixset.hpp"
25 :
26 : #include <cstdlib>
27 :
28 : #include <algorithm>
29 : #include <limits>
30 : #include <sstream>
31 :
32 : #define COMPILATION_ALLOWED
33 : #define DEFINE_OGRSQLiteSQLFunctionsSetCaseSensitiveLike
34 : #include "ogrsqlitesqlfunctionscommon.cpp"
35 :
36 : // Keep in sync prototype of those 2 functions between gdalopeninfo.cpp,
37 : // ogrsqlitedatasource.cpp and ogrgeopackagedatasource.cpp
38 : void GDALOpenInfoDeclareFileNotToOpen(const char *pszFilename,
39 : const GByte *pabyHeader,
40 : int nHeaderBytes);
41 : void GDALOpenInfoUnDeclareFileNotToOpen(const char *pszFilename);
42 :
43 : /************************************************************************/
44 : /* Tiling schemes */
45 : /************************************************************************/
46 :
47 : typedef struct
48 : {
49 : const char *pszName;
50 : int nEPSGCode;
51 : double dfMinX;
52 : double dfMaxY;
53 : int nTileXCountZoomLevel0;
54 : int nTileYCountZoomLevel0;
55 : int nTileWidth;
56 : int nTileHeight;
57 : double dfPixelXSizeZoomLevel0;
58 : double dfPixelYSizeZoomLevel0;
59 : } TilingSchemeDefinition;
60 :
61 : static const TilingSchemeDefinition asTilingSchemes[] = {
62 : /* See http://portal.opengeospatial.org/files/?artifact_id=35326 (WMTS 1.0),
63 : Annex E.3 */
64 : {"GoogleCRS84Quad", 4326, -180.0, 180.0, 1, 1, 256, 256, 360.0 / 256,
65 : 360.0 / 256},
66 :
67 : /* See global-mercator at
68 : http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification */
69 : {"PseudoTMS_GlobalMercator", 3857, -20037508.34, 20037508.34, 2, 2, 256,
70 : 256, 78271.516, 78271.516},
71 : };
72 :
73 : // Setting it above 30 would lead to integer overflow ((1 << 31) > INT_MAX)
74 : constexpr int MAX_ZOOM_LEVEL = 30;
75 :
76 : /************************************************************************/
77 : /* GetTilingScheme() */
78 : /************************************************************************/
79 :
80 : static std::unique_ptr<TilingSchemeDefinition>
81 564 : GetTilingScheme(const char *pszName)
82 : {
83 564 : if (EQUAL(pszName, "CUSTOM"))
84 436 : return nullptr;
85 :
86 256 : for (const auto &tilingScheme : asTilingSchemes)
87 : {
88 195 : if (EQUAL(pszName, tilingScheme.pszName))
89 : {
90 67 : return std::make_unique<TilingSchemeDefinition>(tilingScheme);
91 : }
92 : }
93 :
94 61 : if (EQUAL(pszName, "PseudoTMS_GlobalGeodetic"))
95 6 : pszName = "InspireCRS84Quad";
96 :
97 122 : auto poTM = gdal::TileMatrixSet::parse(pszName);
98 61 : if (poTM == nullptr)
99 1 : return nullptr;
100 60 : if (!poTM->haveAllLevelsSameTopLeft())
101 : {
102 0 : CPLError(CE_Failure, CPLE_NotSupported,
103 : "Unsupported tiling scheme: not all zoom levels have same top "
104 : "left corner");
105 0 : return nullptr;
106 : }
107 60 : if (!poTM->haveAllLevelsSameTileSize())
108 : {
109 0 : CPLError(CE_Failure, CPLE_NotSupported,
110 : "Unsupported tiling scheme: not all zoom levels have same "
111 : "tile size");
112 0 : return nullptr;
113 : }
114 60 : if (!poTM->hasOnlyPowerOfTwoVaryingScales())
115 : {
116 1 : CPLError(CE_Failure, CPLE_NotSupported,
117 : "Unsupported tiling scheme: resolution of consecutive zoom "
118 : "levels is not always 2");
119 1 : return nullptr;
120 : }
121 59 : if (poTM->hasVariableMatrixWidth())
122 : {
123 0 : CPLError(CE_Failure, CPLE_NotSupported,
124 : "Unsupported tiling scheme: some levels have variable matrix "
125 : "width");
126 0 : return nullptr;
127 : }
128 118 : auto poTilingScheme = std::make_unique<TilingSchemeDefinition>();
129 59 : poTilingScheme->pszName = pszName;
130 :
131 118 : OGRSpatialReference oSRS;
132 59 : if (oSRS.SetFromUserInput(poTM->crs().c_str()) != OGRERR_NONE)
133 : {
134 0 : return nullptr;
135 : }
136 59 : if (poTM->crs() == "http://www.opengis.net/def/crs/OGC/1.3/CRS84")
137 : {
138 6 : poTilingScheme->nEPSGCode = 4326;
139 : }
140 : else
141 : {
142 53 : const char *pszAuthName = oSRS.GetAuthorityName(nullptr);
143 53 : const char *pszAuthCode = oSRS.GetAuthorityCode(nullptr);
144 53 : if (pszAuthName == nullptr || !EQUAL(pszAuthName, "EPSG") ||
145 : pszAuthCode == nullptr)
146 : {
147 0 : CPLError(CE_Failure, CPLE_NotSupported,
148 : "Unsupported tiling scheme: only EPSG CRS supported");
149 0 : return nullptr;
150 : }
151 53 : poTilingScheme->nEPSGCode = atoi(pszAuthCode);
152 : }
153 59 : const auto &zoomLevel0 = poTM->tileMatrixList()[0];
154 59 : poTilingScheme->dfMinX = zoomLevel0.mTopLeftX;
155 59 : poTilingScheme->dfMaxY = zoomLevel0.mTopLeftY;
156 59 : poTilingScheme->nTileXCountZoomLevel0 = zoomLevel0.mMatrixWidth;
157 59 : poTilingScheme->nTileYCountZoomLevel0 = zoomLevel0.mMatrixHeight;
158 59 : poTilingScheme->nTileWidth = zoomLevel0.mTileWidth;
159 59 : poTilingScheme->nTileHeight = zoomLevel0.mTileHeight;
160 59 : poTilingScheme->dfPixelXSizeZoomLevel0 = zoomLevel0.mResX;
161 59 : poTilingScheme->dfPixelYSizeZoomLevel0 = zoomLevel0.mResY;
162 :
163 118 : const bool bInvertAxis = oSRS.EPSGTreatsAsLatLong() != FALSE ||
164 59 : oSRS.EPSGTreatsAsNorthingEasting() != FALSE;
165 59 : if (bInvertAxis)
166 : {
167 6 : std::swap(poTilingScheme->dfMinX, poTilingScheme->dfMaxY);
168 6 : std::swap(poTilingScheme->dfPixelXSizeZoomLevel0,
169 6 : poTilingScheme->dfPixelYSizeZoomLevel0);
170 : }
171 59 : return poTilingScheme;
172 : }
173 :
174 : static const char *pszCREATE_GPKG_GEOMETRY_COLUMNS =
175 : "CREATE TABLE gpkg_geometry_columns ("
176 : "table_name TEXT NOT NULL,"
177 : "column_name TEXT NOT NULL,"
178 : "geometry_type_name TEXT NOT NULL,"
179 : "srs_id INTEGER NOT NULL,"
180 : "z TINYINT NOT NULL,"
181 : "m TINYINT NOT NULL,"
182 : "CONSTRAINT pk_geom_cols PRIMARY KEY (table_name, column_name),"
183 : "CONSTRAINT uk_gc_table_name UNIQUE (table_name),"
184 : "CONSTRAINT fk_gc_tn FOREIGN KEY (table_name) REFERENCES "
185 : "gpkg_contents(table_name),"
186 : "CONSTRAINT fk_gc_srs FOREIGN KEY (srs_id) REFERENCES gpkg_spatial_ref_sys "
187 : "(srs_id)"
188 : ")";
189 :
190 865 : OGRErr GDALGeoPackageDataset::SetApplicationAndUserVersionId()
191 : {
192 865 : CPLAssert(hDB != nullptr);
193 :
194 865 : const CPLString osPragma(CPLString().Printf("PRAGMA application_id = %u;"
195 : "PRAGMA user_version = %u",
196 : m_nApplicationId,
197 1730 : m_nUserVersion));
198 1730 : return SQLCommand(hDB, osPragma.c_str());
199 : }
200 :
201 2438 : bool GDALGeoPackageDataset::CloseDB()
202 : {
203 2438 : OGRSQLiteUnregisterSQLFunctions(m_pSQLFunctionData);
204 2438 : m_pSQLFunctionData = nullptr;
205 2438 : return OGRSQLiteBaseDataSource::CloseDB();
206 : }
207 :
208 11 : bool GDALGeoPackageDataset::ReOpenDB()
209 : {
210 11 : CPLAssert(hDB != nullptr);
211 11 : CPLAssert(m_pszFilename != nullptr);
212 :
213 11 : FinishSpatialite();
214 :
215 11 : CloseDB();
216 :
217 : /* And re-open the file */
218 11 : return OpenOrCreateDB(SQLITE_OPEN_READWRITE);
219 : }
220 :
221 803 : static OGRErr GDALGPKGImportFromEPSG(OGRSpatialReference *poSpatialRef,
222 : int nEPSGCode)
223 : {
224 803 : CPLPushErrorHandler(CPLQuietErrorHandler);
225 803 : const OGRErr eErr = poSpatialRef->importFromEPSG(nEPSGCode);
226 803 : CPLPopErrorHandler();
227 803 : CPLErrorReset();
228 803 : return eErr;
229 : }
230 :
231 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>
232 1208 : GDALGeoPackageDataset::GetSpatialRef(int iSrsId, bool bFallbackToEPSG,
233 : bool bEmitErrorIfNotFound)
234 : {
235 1208 : const auto oIter = m_oMapSrsIdToSrs.find(iSrsId);
236 1208 : if (oIter != m_oMapSrsIdToSrs.end())
237 : {
238 88 : if (oIter->second == nullptr)
239 31 : return nullptr;
240 57 : oIter->second->Reference();
241 : return std::unique_ptr<OGRSpatialReference,
242 57 : OGRSpatialReferenceReleaser>(oIter->second);
243 : }
244 :
245 1120 : if (iSrsId == 0 || iSrsId == -1)
246 : {
247 119 : OGRSpatialReference *poSpatialRef = new OGRSpatialReference();
248 119 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
249 :
250 : // See corresponding tests in GDALGeoPackageDataset::GetSrsId
251 119 : if (iSrsId == 0)
252 : {
253 29 : poSpatialRef->SetGeogCS("Undefined geographic SRS", "unknown",
254 : "unknown", SRS_WGS84_SEMIMAJOR,
255 : SRS_WGS84_INVFLATTENING);
256 : }
257 90 : else if (iSrsId == -1)
258 : {
259 90 : poSpatialRef->SetLocalCS("Undefined Cartesian SRS");
260 90 : poSpatialRef->SetLinearUnits(SRS_UL_METER, 1.0);
261 : }
262 :
263 119 : m_oMapSrsIdToSrs[iSrsId] = poSpatialRef;
264 119 : poSpatialRef->Reference();
265 : return std::unique_ptr<OGRSpatialReference,
266 119 : OGRSpatialReferenceReleaser>(poSpatialRef);
267 : }
268 :
269 2002 : CPLString oSQL;
270 1001 : oSQL.Printf("SELECT srs_name, definition, organization, "
271 : "organization_coordsys_id%s%s "
272 : "FROM gpkg_spatial_ref_sys WHERE "
273 : "srs_id = %d LIMIT 2",
274 1001 : m_bHasDefinition12_063 ? ", definition_12_063" : "",
275 1001 : m_bHasEpochColumn ? ", epoch" : "", iSrsId);
276 :
277 2002 : auto oResult = SQLQuery(hDB, oSQL.c_str());
278 :
279 1001 : if (!oResult || oResult->RowCount() != 1)
280 : {
281 12 : if (bFallbackToEPSG)
282 : {
283 7 : CPLDebug("GPKG",
284 : "unable to read srs_id '%d' from gpkg_spatial_ref_sys",
285 : iSrsId);
286 7 : OGRSpatialReference *poSRS = new OGRSpatialReference();
287 7 : if (poSRS->importFromEPSG(iSrsId) == OGRERR_NONE)
288 : {
289 5 : poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
290 : return std::unique_ptr<OGRSpatialReference,
291 5 : OGRSpatialReferenceReleaser>(poSRS);
292 : }
293 2 : poSRS->Release();
294 : }
295 5 : else if (bEmitErrorIfNotFound)
296 : {
297 2 : CPLError(CE_Warning, CPLE_AppDefined,
298 : "unable to read srs_id '%d' from gpkg_spatial_ref_sys",
299 : iSrsId);
300 2 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
301 : }
302 7 : return nullptr;
303 : }
304 :
305 989 : const char *pszName = oResult->GetValue(0, 0);
306 989 : if (pszName && EQUAL(pszName, "Undefined SRS"))
307 : {
308 408 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
309 408 : return nullptr;
310 : }
311 581 : const char *pszWkt = oResult->GetValue(1, 0);
312 581 : if (pszWkt == nullptr)
313 0 : return nullptr;
314 581 : const char *pszOrganization = oResult->GetValue(2, 0);
315 581 : const char *pszOrganizationCoordsysID = oResult->GetValue(3, 0);
316 : const char *pszWkt2 =
317 581 : m_bHasDefinition12_063 ? oResult->GetValue(4, 0) : nullptr;
318 581 : if (pszWkt2 && !EQUAL(pszWkt2, "undefined"))
319 76 : pszWkt = pszWkt2;
320 : const char *pszCoordinateEpoch =
321 581 : m_bHasEpochColumn ? oResult->GetValue(5, 0) : nullptr;
322 : const double dfCoordinateEpoch =
323 581 : pszCoordinateEpoch ? CPLAtof(pszCoordinateEpoch) : 0.0;
324 :
325 581 : OGRSpatialReference *poSpatialRef = new OGRSpatialReference();
326 581 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
327 : // Try to import first from EPSG code, and then from WKT
328 581 : if (!(pszOrganization && pszOrganizationCoordsysID &&
329 581 : EQUAL(pszOrganization, "EPSG") &&
330 561 : (atoi(pszOrganizationCoordsysID) == iSrsId ||
331 4 : (dfCoordinateEpoch > 0 && strstr(pszWkt, "DYNAMIC[") == nullptr)) &&
332 561 : GDALGPKGImportFromEPSG(
333 1162 : poSpatialRef, atoi(pszOrganizationCoordsysID)) == OGRERR_NONE) &&
334 20 : poSpatialRef->importFromWkt(pszWkt) != OGRERR_NONE)
335 : {
336 0 : CPLError(CE_Warning, CPLE_AppDefined,
337 : "Unable to parse srs_id '%d' well-known text '%s'", iSrsId,
338 : pszWkt);
339 0 : delete poSpatialRef;
340 0 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
341 0 : return nullptr;
342 : }
343 :
344 581 : poSpatialRef->StripTOWGS84IfKnownDatumAndAllowed();
345 581 : poSpatialRef->SetCoordinateEpoch(dfCoordinateEpoch);
346 581 : m_oMapSrsIdToSrs[iSrsId] = poSpatialRef;
347 581 : poSpatialRef->Reference();
348 : return std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>(
349 581 : poSpatialRef);
350 : }
351 :
352 271 : const char *GDALGeoPackageDataset::GetSrsName(const OGRSpatialReference &oSRS)
353 : {
354 271 : const char *pszName = oSRS.GetName();
355 271 : if (pszName)
356 271 : return pszName;
357 :
358 : // Something odd. Return empty.
359 0 : return "Unnamed SRS";
360 : }
361 :
362 : /* Add the definition_12_063 column to an existing gpkg_spatial_ref_sys table */
363 7 : bool GDALGeoPackageDataset::ConvertGpkgSpatialRefSysToExtensionWkt2(
364 : bool bForceEpoch)
365 : {
366 7 : const bool bAddEpoch = (m_nUserVersion >= GPKG_1_4_VERSION || bForceEpoch);
367 : auto oResultTable = SQLQuery(
368 : hDB, "SELECT srs_name, srs_id, organization, organization_coordsys_id, "
369 14 : "definition, description FROM gpkg_spatial_ref_sys LIMIT 100000");
370 7 : if (!oResultTable)
371 0 : return false;
372 :
373 : // Temporary remove foreign key checks
374 : const GPKGTemporaryForeignKeyCheckDisabler
375 7 : oGPKGTemporaryForeignKeyCheckDisabler(this);
376 :
377 7 : bool bRet = SoftStartTransaction() == OGRERR_NONE;
378 :
379 7 : if (bRet)
380 : {
381 : std::string osSQL("CREATE TABLE gpkg_spatial_ref_sys_temp ("
382 : "srs_name TEXT NOT NULL,"
383 : "srs_id INTEGER NOT NULL PRIMARY KEY,"
384 : "organization TEXT NOT NULL,"
385 : "organization_coordsys_id INTEGER NOT NULL,"
386 : "definition TEXT NOT NULL,"
387 : "description TEXT, "
388 7 : "definition_12_063 TEXT NOT NULL");
389 7 : if (bAddEpoch)
390 6 : osSQL += ", epoch DOUBLE";
391 7 : osSQL += ")";
392 7 : bRet = SQLCommand(hDB, osSQL.c_str()) == OGRERR_NONE;
393 : }
394 :
395 7 : if (bRet)
396 : {
397 32 : for (int i = 0; bRet && i < oResultTable->RowCount(); i++)
398 : {
399 25 : const char *pszSrsName = oResultTable->GetValue(0, i);
400 25 : const char *pszSrsId = oResultTable->GetValue(1, i);
401 25 : const char *pszOrganization = oResultTable->GetValue(2, i);
402 : const char *pszOrganizationCoordsysID =
403 25 : oResultTable->GetValue(3, i);
404 25 : const char *pszDefinition = oResultTable->GetValue(4, i);
405 : if (pszSrsName == nullptr || pszSrsId == nullptr ||
406 : pszOrganization == nullptr ||
407 : pszOrganizationCoordsysID == nullptr)
408 : {
409 : // should not happen as there are NOT NULL constraints
410 : // But a database could lack such NOT NULL constraints or have
411 : // large values that would cause a memory allocation failure.
412 : }
413 25 : const char *pszDescription = oResultTable->GetValue(5, i);
414 : char *pszSQL;
415 :
416 50 : OGRSpatialReference oSRS;
417 25 : if (pszOrganization && pszOrganizationCoordsysID &&
418 25 : EQUAL(pszOrganization, "EPSG"))
419 : {
420 9 : oSRS.importFromEPSG(atoi(pszOrganizationCoordsysID));
421 : }
422 34 : if (!oSRS.IsEmpty() && pszDefinition &&
423 9 : !EQUAL(pszDefinition, "undefined"))
424 : {
425 9 : oSRS.SetFromUserInput(pszDefinition);
426 : }
427 25 : char *pszWKT2 = nullptr;
428 25 : if (!oSRS.IsEmpty())
429 : {
430 9 : const char *const apszOptionsWkt2[] = {"FORMAT=WKT2_2015",
431 : nullptr};
432 9 : oSRS.exportToWkt(&pszWKT2, apszOptionsWkt2);
433 9 : if (pszWKT2 && pszWKT2[0] == '\0')
434 : {
435 0 : CPLFree(pszWKT2);
436 0 : pszWKT2 = nullptr;
437 : }
438 : }
439 25 : if (pszWKT2 == nullptr)
440 : {
441 16 : pszWKT2 = CPLStrdup("undefined");
442 : }
443 :
444 25 : if (pszDescription)
445 : {
446 22 : pszSQL = sqlite3_mprintf(
447 : "INSERT INTO gpkg_spatial_ref_sys_temp(srs_name, srs_id, "
448 : "organization, organization_coordsys_id, definition, "
449 : "description, definition_12_063) VALUES ('%q', '%q', '%q', "
450 : "'%q', '%q', '%q', '%q')",
451 : pszSrsName, pszSrsId, pszOrganization,
452 : pszOrganizationCoordsysID, pszDefinition, pszDescription,
453 : pszWKT2);
454 : }
455 : else
456 : {
457 3 : pszSQL = sqlite3_mprintf(
458 : "INSERT INTO gpkg_spatial_ref_sys_temp(srs_name, srs_id, "
459 : "organization, organization_coordsys_id, definition, "
460 : "description, definition_12_063) VALUES ('%q', '%q', '%q', "
461 : "'%q', '%q', NULL, '%q')",
462 : pszSrsName, pszSrsId, pszOrganization,
463 : pszOrganizationCoordsysID, pszDefinition, pszWKT2);
464 : }
465 :
466 25 : CPLFree(pszWKT2);
467 25 : bRet &= SQLCommand(hDB, pszSQL) == OGRERR_NONE;
468 25 : sqlite3_free(pszSQL);
469 : }
470 : }
471 :
472 7 : if (bRet)
473 : {
474 7 : bRet =
475 7 : SQLCommand(hDB, "DROP TABLE gpkg_spatial_ref_sys") == OGRERR_NONE;
476 : }
477 7 : if (bRet)
478 : {
479 7 : bRet = SQLCommand(hDB, "ALTER TABLE gpkg_spatial_ref_sys_temp RENAME "
480 : "TO gpkg_spatial_ref_sys") == OGRERR_NONE;
481 : }
482 7 : if (bRet)
483 : {
484 14 : bRet = OGRERR_NONE == CreateExtensionsTableIfNecessary() &&
485 7 : OGRERR_NONE == SQLCommand(hDB,
486 : "INSERT INTO gpkg_extensions "
487 : "(table_name, column_name, "
488 : "extension_name, definition, scope) "
489 : "VALUES "
490 : "('gpkg_spatial_ref_sys', "
491 : "'definition_12_063', 'gpkg_crs_wkt', "
492 : "'http://www.geopackage.org/spec120/"
493 : "#extension_crs_wkt', 'read-write')");
494 : }
495 7 : if (bRet && bAddEpoch)
496 : {
497 6 : bRet =
498 : OGRERR_NONE ==
499 6 : SQLCommand(hDB, "UPDATE gpkg_extensions SET extension_name = "
500 : "'gpkg_crs_wkt_1_1' "
501 12 : "WHERE extension_name = 'gpkg_crs_wkt'") &&
502 : OGRERR_NONE ==
503 6 : SQLCommand(
504 : hDB,
505 : "INSERT INTO gpkg_extensions "
506 : "(table_name, column_name, extension_name, definition, "
507 : "scope) "
508 : "VALUES "
509 : "('gpkg_spatial_ref_sys', 'epoch', 'gpkg_crs_wkt_1_1', "
510 : "'http://www.geopackage.org/spec/#extension_crs_wkt', "
511 : "'read-write')");
512 : }
513 7 : if (bRet)
514 : {
515 7 : SoftCommitTransaction();
516 7 : m_bHasDefinition12_063 = true;
517 7 : if (bAddEpoch)
518 6 : m_bHasEpochColumn = true;
519 : }
520 : else
521 : {
522 0 : SoftRollbackTransaction();
523 : }
524 :
525 7 : return bRet;
526 : }
527 :
528 850 : int GDALGeoPackageDataset::GetSrsId(const OGRSpatialReference *poSRSIn)
529 : {
530 850 : const char *pszName = poSRSIn ? poSRSIn->GetName() : nullptr;
531 1244 : if (!poSRSIn || poSRSIn->IsEmpty() ||
532 394 : (pszName && EQUAL(pszName, "Undefined SRS")))
533 : {
534 458 : OGRErr err = OGRERR_NONE;
535 458 : const int nSRSId = SQLGetInteger(
536 : hDB,
537 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE srs_name = "
538 : "'Undefined SRS' AND organization = 'GDAL'",
539 : &err);
540 458 : if (err == OGRERR_NONE)
541 55 : return nSRSId;
542 :
543 : // The below WKT definitions are somehow questionable (using a unknown
544 : // unit). For GDAL >= 3.9, they won't be used. They will only be used
545 : // for earlier versions.
546 : const char *pszSQL;
547 : #define UNDEFINED_CRS_SRS_ID 99999
548 : static_assert(UNDEFINED_CRS_SRS_ID == FIRST_CUSTOM_SRSID - 1);
549 : #define STRINGIFY(x) #x
550 : #define XSTRINGIFY(x) STRINGIFY(x)
551 403 : if (m_bHasDefinition12_063)
552 : {
553 : /* clang-format off */
554 1 : pszSQL =
555 : "INSERT INTO gpkg_spatial_ref_sys "
556 : "(srs_name,srs_id,organization,organization_coordsys_id,"
557 : "definition, definition_12_063, description) VALUES "
558 : "('Undefined SRS'," XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ",'GDAL',"
559 : XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ","
560 : "'LOCAL_CS[\"Undefined SRS\",LOCAL_DATUM[\"unknown\",32767],"
561 : "UNIT[\"unknown\",0],AXIS[\"Easting\",EAST],"
562 : "AXIS[\"Northing\",NORTH]]',"
563 : "'ENGCRS[\"Undefined SRS\",EDATUM[\"unknown\"],CS[Cartesian,2],"
564 : "AXIS[\"easting\",east,ORDER[1],LENGTHUNIT[\"unknown\",0]],"
565 : "AXIS[\"northing\",north,ORDER[2],LENGTHUNIT[\"unknown\",0]]]',"
566 : "'Custom undefined coordinate reference system')";
567 : /* clang-format on */
568 : }
569 : else
570 : {
571 : /* clang-format off */
572 402 : pszSQL =
573 : "INSERT INTO gpkg_spatial_ref_sys "
574 : "(srs_name,srs_id,organization,organization_coordsys_id,"
575 : "definition, description) VALUES "
576 : "('Undefined SRS'," XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ",'GDAL',"
577 : XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ","
578 : "'LOCAL_CS[\"Undefined SRS\",LOCAL_DATUM[\"unknown\",32767],"
579 : "UNIT[\"unknown\",0],AXIS[\"Easting\",EAST],"
580 : "AXIS[\"Northing\",NORTH]]',"
581 : "'Custom undefined coordinate reference system')";
582 : /* clang-format on */
583 : }
584 403 : if (SQLCommand(hDB, pszSQL) == OGRERR_NONE)
585 403 : return UNDEFINED_CRS_SRS_ID;
586 : #undef UNDEFINED_CRS_SRS_ID
587 : #undef XSTRINGIFY
588 : #undef STRINGIFY
589 0 : return -1;
590 : }
591 :
592 784 : std::unique_ptr<OGRSpatialReference> poSRS(poSRSIn->Clone());
593 :
594 392 : if (poSRS->IsGeographic() || poSRS->IsLocal())
595 : {
596 : // See corresponding tests in GDALGeoPackageDataset::GetSpatialRef
597 138 : if (pszName != nullptr && strlen(pszName) > 0)
598 : {
599 138 : if (EQUAL(pszName, "Undefined geographic SRS"))
600 2 : return 0;
601 :
602 136 : if (EQUAL(pszName, "Undefined Cartesian SRS"))
603 1 : return -1;
604 : }
605 : }
606 :
607 389 : const char *pszAuthorityName = poSRS->GetAuthorityName(nullptr);
608 :
609 389 : if (pszAuthorityName == nullptr || strlen(pszAuthorityName) == 0)
610 : {
611 : // Try to force identify an EPSG code.
612 26 : poSRS->AutoIdentifyEPSG();
613 :
614 26 : pszAuthorityName = poSRS->GetAuthorityName(nullptr);
615 26 : if (pszAuthorityName != nullptr && EQUAL(pszAuthorityName, "EPSG"))
616 : {
617 0 : const char *pszAuthorityCode = poSRS->GetAuthorityCode(nullptr);
618 0 : if (pszAuthorityCode != nullptr && strlen(pszAuthorityCode) > 0)
619 : {
620 : /* Import 'clean' SRS */
621 0 : poSRS->importFromEPSG(atoi(pszAuthorityCode));
622 :
623 0 : pszAuthorityName = poSRS->GetAuthorityName(nullptr);
624 : }
625 : }
626 :
627 26 : poSRS->SetCoordinateEpoch(poSRSIn->GetCoordinateEpoch());
628 : }
629 :
630 : // Check whether the EPSG authority code is already mapped to a
631 : // SRS ID.
632 389 : char *pszSQL = nullptr;
633 389 : int nSRSId = DEFAULT_SRID;
634 389 : int nAuthorityCode = 0;
635 389 : OGRErr err = OGRERR_NONE;
636 389 : bool bCanUseAuthorityCode = false;
637 389 : const char *const apszIsSameOptions[] = {
638 : "IGNORE_DATA_AXIS_TO_SRS_AXIS_MAPPING=YES",
639 : "IGNORE_COORDINATE_EPOCH=YES", nullptr};
640 389 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0)
641 : {
642 363 : const char *pszAuthorityCode = poSRS->GetAuthorityCode(nullptr);
643 363 : if (pszAuthorityCode)
644 : {
645 363 : if (CPLGetValueType(pszAuthorityCode) == CPL_VALUE_INTEGER)
646 : {
647 363 : nAuthorityCode = atoi(pszAuthorityCode);
648 : }
649 : else
650 : {
651 0 : CPLDebug("GPKG",
652 : "SRS has %s:%s identification, but the code not "
653 : "being an integer value cannot be stored as such "
654 : "in the database.",
655 : pszAuthorityName, pszAuthorityCode);
656 0 : pszAuthorityName = nullptr;
657 : }
658 : }
659 : }
660 :
661 752 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
662 363 : poSRSIn->GetCoordinateEpoch() == 0)
663 : {
664 : pszSQL =
665 358 : sqlite3_mprintf("SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
666 : "upper(organization) = upper('%q') AND "
667 : "organization_coordsys_id = %d",
668 : pszAuthorityName, nAuthorityCode);
669 :
670 358 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
671 358 : sqlite3_free(pszSQL);
672 :
673 : // Got a match? Return it!
674 358 : if (OGRERR_NONE == err)
675 : {
676 114 : auto poRefSRS = GetSpatialRef(nSRSId);
677 : bool bOK =
678 114 : (poRefSRS == nullptr ||
679 115 : poSRS->IsSame(poRefSRS.get(), apszIsSameOptions) ||
680 1 : !CPLTestBool(CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")));
681 114 : if (bOK)
682 : {
683 113 : return nSRSId;
684 : }
685 : else
686 : {
687 1 : CPLError(CE_Warning, CPLE_AppDefined,
688 : "Passed SRS uses %s:%d identification, but its "
689 : "definition is not compatible with the "
690 : "definition of that object already in the database. "
691 : "Registering it as a new entry into the database.",
692 : pszAuthorityName, nAuthorityCode);
693 1 : pszAuthorityName = nullptr;
694 1 : nAuthorityCode = 0;
695 : }
696 : }
697 : }
698 :
699 : // Translate SRS to WKT.
700 276 : CPLCharUniquePtr pszWKT1;
701 276 : CPLCharUniquePtr pszWKT2_2015;
702 276 : CPLCharUniquePtr pszWKT2_2019;
703 276 : const char *const apszOptionsWkt1[] = {"FORMAT=WKT1_GDAL", nullptr};
704 276 : const char *const apszOptionsWkt2_2015[] = {"FORMAT=WKT2_2015", nullptr};
705 276 : const char *const apszOptionsWkt2_2019[] = {"FORMAT=WKT2_2019", nullptr};
706 :
707 552 : std::string osEpochTest;
708 276 : if (poSRSIn->GetCoordinateEpoch() > 0 && m_bHasEpochColumn)
709 : {
710 : osEpochTest =
711 3 : CPLSPrintf(" AND epoch = %.17g", poSRSIn->GetCoordinateEpoch());
712 : }
713 :
714 276 : if (!(poSRS->IsGeographic() && poSRS->GetAxesCount() == 3))
715 : {
716 267 : char *pszTmp = nullptr;
717 267 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt1);
718 267 : pszWKT1.reset(pszTmp);
719 267 : if (pszWKT1 && pszWKT1.get()[0] == '\0')
720 : {
721 0 : pszWKT1.reset();
722 : }
723 : }
724 : {
725 276 : char *pszTmp = nullptr;
726 276 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2015);
727 276 : pszWKT2_2015.reset(pszTmp);
728 276 : if (pszWKT2_2015 && pszWKT2_2015.get()[0] == '\0')
729 : {
730 0 : pszWKT2_2015.reset();
731 : }
732 : }
733 : {
734 276 : char *pszTmp = nullptr;
735 276 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2019);
736 276 : pszWKT2_2019.reset(pszTmp);
737 276 : if (pszWKT2_2019 && pszWKT2_2019.get()[0] == '\0')
738 : {
739 0 : pszWKT2_2019.reset();
740 : }
741 : }
742 :
743 276 : if (!pszWKT1 && !pszWKT2_2015 && !pszWKT2_2019)
744 : {
745 0 : return DEFAULT_SRID;
746 : }
747 :
748 276 : if (poSRSIn->GetCoordinateEpoch() == 0 || m_bHasEpochColumn)
749 : {
750 : // Search if there is already an existing entry with this WKT
751 273 : if (m_bHasDefinition12_063 && (pszWKT2_2015 || pszWKT2_2019))
752 : {
753 42 : if (pszWKT1)
754 : {
755 144 : pszSQL = sqlite3_mprintf(
756 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
757 : "(definition = '%q' OR definition_12_063 IN ('%q','%q'))%s",
758 : pszWKT1.get(),
759 72 : pszWKT2_2015 ? pszWKT2_2015.get() : "invalid",
760 72 : pszWKT2_2019 ? pszWKT2_2019.get() : "invalid",
761 : osEpochTest.c_str());
762 : }
763 : else
764 : {
765 24 : pszSQL = sqlite3_mprintf(
766 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
767 : "definition_12_063 IN ('%q', '%q')%s",
768 12 : pszWKT2_2015 ? pszWKT2_2015.get() : "invalid",
769 12 : pszWKT2_2019 ? pszWKT2_2019.get() : "invalid",
770 : osEpochTest.c_str());
771 : }
772 : }
773 231 : else if (pszWKT1)
774 : {
775 : pszSQL =
776 228 : sqlite3_mprintf("SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
777 : "definition = '%q'%s",
778 : pszWKT1.get(), osEpochTest.c_str());
779 : }
780 : else
781 : {
782 3 : pszSQL = nullptr;
783 : }
784 273 : if (pszSQL)
785 : {
786 270 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
787 270 : sqlite3_free(pszSQL);
788 270 : if (OGRERR_NONE == err)
789 : {
790 5 : return nSRSId;
791 : }
792 : }
793 : }
794 :
795 518 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
796 247 : poSRSIn->GetCoordinateEpoch() == 0)
797 : {
798 243 : bool bTryToReuseSRSId = true;
799 243 : if (EQUAL(pszAuthorityName, "EPSG"))
800 : {
801 484 : OGRSpatialReference oSRS_EPSG;
802 242 : if (GDALGPKGImportFromEPSG(&oSRS_EPSG, nAuthorityCode) ==
803 : OGRERR_NONE)
804 : {
805 243 : if (!poSRS->IsSame(&oSRS_EPSG, apszIsSameOptions) &&
806 1 : CPLTestBool(
807 : CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")))
808 : {
809 1 : bTryToReuseSRSId = false;
810 1 : CPLError(
811 : CE_Warning, CPLE_AppDefined,
812 : "Passed SRS uses %s:%d identification, but its "
813 : "definition is not compatible with the "
814 : "official definition of the object. "
815 : "Registering it as a non-%s entry into the database.",
816 : pszAuthorityName, nAuthorityCode, pszAuthorityName);
817 1 : pszAuthorityName = nullptr;
818 1 : nAuthorityCode = 0;
819 : }
820 : }
821 : }
822 243 : if (bTryToReuseSRSId)
823 : {
824 : // No match, but maybe we can use the nAuthorityCode as the nSRSId?
825 242 : pszSQL = sqlite3_mprintf(
826 : "SELECT Count(*) FROM gpkg_spatial_ref_sys WHERE "
827 : "srs_id = %d",
828 : nAuthorityCode);
829 :
830 : // Yep, we can!
831 242 : if (SQLGetInteger(hDB, pszSQL, nullptr) == 0)
832 241 : bCanUseAuthorityCode = true;
833 242 : sqlite3_free(pszSQL);
834 : }
835 : }
836 :
837 271 : bool bConvertGpkgSpatialRefSysToExtensionWkt2 = false;
838 271 : bool bForceEpoch = false;
839 274 : if (!m_bHasDefinition12_063 && pszWKT1 == nullptr &&
840 3 : (pszWKT2_2015 != nullptr || pszWKT2_2019 != nullptr))
841 : {
842 3 : bConvertGpkgSpatialRefSysToExtensionWkt2 = true;
843 : }
844 :
845 : // Add epoch column if needed
846 271 : if (poSRSIn->GetCoordinateEpoch() > 0 && !m_bHasEpochColumn)
847 : {
848 3 : if (m_bHasDefinition12_063)
849 : {
850 0 : if (SoftStartTransaction() != OGRERR_NONE)
851 0 : return DEFAULT_SRID;
852 0 : if (SQLCommand(hDB, "ALTER TABLE gpkg_spatial_ref_sys "
853 0 : "ADD COLUMN epoch DOUBLE") != OGRERR_NONE ||
854 0 : SQLCommand(hDB, "UPDATE gpkg_extensions SET extension_name = "
855 : "'gpkg_crs_wkt_1_1' "
856 : "WHERE extension_name = 'gpkg_crs_wkt'") !=
857 0 : OGRERR_NONE ||
858 0 : SQLCommand(
859 : hDB,
860 : "INSERT INTO gpkg_extensions "
861 : "(table_name, column_name, extension_name, definition, "
862 : "scope) "
863 : "VALUES "
864 : "('gpkg_spatial_ref_sys', 'epoch', 'gpkg_crs_wkt_1_1', "
865 : "'http://www.geopackage.org/spec/#extension_crs_wkt', "
866 : "'read-write')") != OGRERR_NONE)
867 : {
868 0 : SoftRollbackTransaction();
869 0 : return DEFAULT_SRID;
870 : }
871 :
872 0 : if (SoftCommitTransaction() != OGRERR_NONE)
873 0 : return DEFAULT_SRID;
874 :
875 0 : m_bHasEpochColumn = true;
876 : }
877 : else
878 : {
879 3 : bConvertGpkgSpatialRefSysToExtensionWkt2 = true;
880 3 : bForceEpoch = true;
881 : }
882 : }
883 :
884 277 : if (bConvertGpkgSpatialRefSysToExtensionWkt2 &&
885 6 : !ConvertGpkgSpatialRefSysToExtensionWkt2(bForceEpoch))
886 : {
887 0 : return DEFAULT_SRID;
888 : }
889 :
890 : // Reuse the authority code number as SRS_ID if we can
891 271 : if (bCanUseAuthorityCode)
892 : {
893 241 : nSRSId = nAuthorityCode;
894 : }
895 : // Otherwise, generate a new SRS_ID number (max + 1)
896 : else
897 : {
898 : // Get the current maximum srid in the srs table.
899 30 : const int nMaxSRSId = SQLGetInteger(
900 : hDB, "SELECT MAX(srs_id) FROM gpkg_spatial_ref_sys", nullptr);
901 30 : nSRSId = std::max(FIRST_CUSTOM_SRSID, nMaxSRSId + 1);
902 : }
903 :
904 542 : std::string osEpochColumn;
905 271 : std::string osEpochVal;
906 271 : if (poSRSIn->GetCoordinateEpoch() > 0)
907 : {
908 5 : osEpochColumn = ", epoch";
909 5 : osEpochVal = CPLSPrintf(", %.17g", poSRSIn->GetCoordinateEpoch());
910 : }
911 :
912 : // Add new SRS row to gpkg_spatial_ref_sys.
913 271 : if (m_bHasDefinition12_063)
914 : {
915 : // Force WKT2_2019 when we have a dynamic CRS and coordinate epoch
916 45 : const char *pszWKT2 = poSRSIn->IsDynamic() &&
917 10 : poSRSIn->GetCoordinateEpoch() > 0 &&
918 1 : pszWKT2_2019
919 1 : ? pszWKT2_2019.get()
920 44 : : pszWKT2_2015 ? pszWKT2_2015.get()
921 97 : : pszWKT2_2019.get();
922 :
923 45 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
924 : {
925 99 : pszSQL = sqlite3_mprintf(
926 : "INSERT INTO gpkg_spatial_ref_sys "
927 : "(srs_name,srs_id,organization,organization_coordsys_id,"
928 : "definition, definition_12_063%s) VALUES "
929 : "('%q', %d, upper('%q'), %d, '%q', '%q'%s)",
930 33 : osEpochColumn.c_str(), GetSrsName(*poSRS), nSRSId,
931 : pszAuthorityName, nAuthorityCode,
932 62 : pszWKT1 ? pszWKT1.get() : "undefined",
933 : pszWKT2 ? pszWKT2 : "undefined", osEpochVal.c_str());
934 : }
935 : else
936 : {
937 36 : pszSQL = sqlite3_mprintf(
938 : "INSERT INTO gpkg_spatial_ref_sys "
939 : "(srs_name,srs_id,organization,organization_coordsys_id,"
940 : "definition, definition_12_063%s) VALUES "
941 : "('%q', %d, upper('%q'), %d, '%q', '%q'%s)",
942 12 : osEpochColumn.c_str(), GetSrsName(*poSRS), nSRSId, "NONE",
943 21 : nSRSId, pszWKT1 ? pszWKT1.get() : "undefined",
944 : pszWKT2 ? pszWKT2 : "undefined", osEpochVal.c_str());
945 : }
946 : }
947 : else
948 : {
949 226 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
950 : {
951 426 : pszSQL = sqlite3_mprintf(
952 : "INSERT INTO gpkg_spatial_ref_sys "
953 : "(srs_name,srs_id,organization,organization_coordsys_id,"
954 : "definition) VALUES ('%q', %d, upper('%q'), %d, '%q')",
955 213 : GetSrsName(*poSRS), nSRSId, pszAuthorityName, nAuthorityCode,
956 426 : pszWKT1 ? pszWKT1.get() : "undefined");
957 : }
958 : else
959 : {
960 26 : pszSQL = sqlite3_mprintf(
961 : "INSERT INTO gpkg_spatial_ref_sys "
962 : "(srs_name,srs_id,organization,organization_coordsys_id,"
963 : "definition) VALUES ('%q', %d, upper('%q'), %d, '%q')",
964 13 : GetSrsName(*poSRS), nSRSId, "NONE", nSRSId,
965 26 : pszWKT1 ? pszWKT1.get() : "undefined");
966 : }
967 : }
968 :
969 : // Add new row to gpkg_spatial_ref_sys.
970 271 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
971 :
972 : // Free everything that was allocated.
973 271 : sqlite3_free(pszSQL);
974 :
975 271 : return nSRSId;
976 : }
977 :
978 : /************************************************************************/
979 : /* ~GDALGeoPackageDataset() */
980 : /************************************************************************/
981 :
982 4854 : GDALGeoPackageDataset::~GDALGeoPackageDataset()
983 : {
984 2427 : GDALGeoPackageDataset::Close();
985 4854 : }
986 :
987 : /************************************************************************/
988 : /* Close() */
989 : /************************************************************************/
990 :
991 4087 : CPLErr GDALGeoPackageDataset::Close()
992 : {
993 4087 : CPLErr eErr = CE_None;
994 4087 : if (nOpenFlags != OPEN_FLAGS_CLOSED)
995 : {
996 1421 : if (eAccess == GA_Update && m_poParentDS == nullptr &&
997 3848 : !m_osRasterTable.empty() && !m_bGeoTransformValid)
998 : {
999 3 : CPLError(CE_Failure, CPLE_AppDefined,
1000 : "Raster table %s not correctly initialized due to missing "
1001 : "call to SetGeoTransform()",
1002 : m_osRasterTable.c_str());
1003 : }
1004 :
1005 2427 : if (GDALGeoPackageDataset::FlushCache(true) != CE_None)
1006 7 : eErr = CE_Failure;
1007 :
1008 : // Destroy bands now since we don't want
1009 : // GDALGPKGMBTilesLikeRasterBand::FlushCache() to run after dataset
1010 : // destruction
1011 4241 : for (int i = 0; i < nBands; i++)
1012 1814 : delete papoBands[i];
1013 2427 : nBands = 0;
1014 2427 : CPLFree(papoBands);
1015 2427 : papoBands = nullptr;
1016 :
1017 : // Destroy overviews before cleaning m_hTempDB as they could still
1018 : // need it
1019 2427 : m_apoOverviewDS.clear();
1020 :
1021 2427 : if (m_poParentDS)
1022 : {
1023 325 : hDB = nullptr;
1024 : }
1025 :
1026 2427 : m_apoLayers.clear();
1027 :
1028 : std::map<int, OGRSpatialReference *>::iterator oIter =
1029 2427 : m_oMapSrsIdToSrs.begin();
1030 3537 : for (; oIter != m_oMapSrsIdToSrs.end(); ++oIter)
1031 : {
1032 1110 : OGRSpatialReference *poSRS = oIter->second;
1033 1110 : if (poSRS)
1034 700 : poSRS->Release();
1035 : }
1036 :
1037 2427 : if (!CloseDB())
1038 0 : eErr = CE_Failure;
1039 :
1040 2427 : if (OGRSQLiteBaseDataSource::Close() != CE_None)
1041 0 : eErr = CE_Failure;
1042 : }
1043 4087 : return eErr;
1044 : }
1045 :
1046 : /************************************************************************/
1047 : /* ICanIWriteBlock() */
1048 : /************************************************************************/
1049 :
1050 5694 : bool GDALGeoPackageDataset::ICanIWriteBlock()
1051 : {
1052 5694 : if (!GetUpdate())
1053 : {
1054 0 : CPLError(
1055 : CE_Failure, CPLE_NotSupported,
1056 : "IWriteBlock() not supported on dataset opened in read-only mode");
1057 0 : return false;
1058 : }
1059 :
1060 5694 : if (m_pabyCachedTiles == nullptr)
1061 : {
1062 0 : return false;
1063 : }
1064 :
1065 5694 : if (!m_bGeoTransformValid || m_nSRID == UNKNOWN_SRID)
1066 : {
1067 0 : CPLError(CE_Failure, CPLE_NotSupported,
1068 : "IWriteBlock() not supported if georeferencing not set");
1069 0 : return false;
1070 : }
1071 5694 : return true;
1072 : }
1073 :
1074 : /************************************************************************/
1075 : /* IRasterIO() */
1076 : /************************************************************************/
1077 :
1078 130 : CPLErr GDALGeoPackageDataset::IRasterIO(
1079 : GDALRWFlag eRWFlag, int nXOff, int nYOff, int nXSize, int nYSize,
1080 : void *pData, int nBufXSize, int nBufYSize, GDALDataType eBufType,
1081 : int nBandCount, BANDMAP_TYPE panBandMap, GSpacing nPixelSpace,
1082 : GSpacing nLineSpace, GSpacing nBandSpace, GDALRasterIOExtraArg *psExtraArg)
1083 :
1084 : {
1085 130 : CPLErr eErr = OGRSQLiteBaseDataSource::IRasterIO(
1086 : eRWFlag, nXOff, nYOff, nXSize, nYSize, pData, nBufXSize, nBufYSize,
1087 : eBufType, nBandCount, panBandMap, nPixelSpace, nLineSpace, nBandSpace,
1088 : psExtraArg);
1089 :
1090 : // If writing all bands, in non-shifted mode, flush all entirely written
1091 : // tiles This can avoid "stressing" the block cache with too many dirty
1092 : // blocks. Note: this logic would be useless with a per-dataset block cache.
1093 130 : if (eErr == CE_None && eRWFlag == GF_Write && nXSize == nBufXSize &&
1094 121 : nYSize == nBufYSize && nBandCount == nBands &&
1095 118 : m_nShiftXPixelsMod == 0 && m_nShiftYPixelsMod == 0)
1096 : {
1097 : auto poBand =
1098 114 : cpl::down_cast<GDALGPKGMBTilesLikeRasterBand *>(GetRasterBand(1));
1099 : int nBlockXSize, nBlockYSize;
1100 114 : poBand->GetBlockSize(&nBlockXSize, &nBlockYSize);
1101 114 : const int nBlockXStart = DIV_ROUND_UP(nXOff, nBlockXSize);
1102 114 : const int nBlockYStart = DIV_ROUND_UP(nYOff, nBlockYSize);
1103 114 : const int nBlockXEnd = (nXOff + nXSize) / nBlockXSize;
1104 114 : const int nBlockYEnd = (nYOff + nYSize) / nBlockYSize;
1105 268 : for (int nBlockY = nBlockXStart; nBlockY < nBlockYEnd; nBlockY++)
1106 : {
1107 4371 : for (int nBlockX = nBlockYStart; nBlockX < nBlockXEnd; nBlockX++)
1108 : {
1109 : GDALRasterBlock *poBlock =
1110 4217 : poBand->AccessibleTryGetLockedBlockRef(nBlockX, nBlockY);
1111 4217 : if (poBlock)
1112 : {
1113 : // GetDirty() should be true in most situation (otherwise
1114 : // it means the block cache is under extreme pressure!)
1115 4215 : if (poBlock->GetDirty())
1116 : {
1117 : // IWriteBlock() on one band will check the dirty state
1118 : // of the corresponding blocks in other bands, to decide
1119 : // if it can call WriteTile(), so we have only to do
1120 : // that on one of the bands
1121 4215 : if (poBlock->Write() != CE_None)
1122 250 : eErr = CE_Failure;
1123 : }
1124 4215 : poBlock->DropLock();
1125 : }
1126 : }
1127 : }
1128 : }
1129 :
1130 130 : return eErr;
1131 : }
1132 :
1133 : /************************************************************************/
1134 : /* GetOGRTableLimit() */
1135 : /************************************************************************/
1136 :
1137 3958 : static int GetOGRTableLimit()
1138 : {
1139 3958 : return atoi(CPLGetConfigOption("OGR_TABLE_LIMIT", "10000"));
1140 : }
1141 :
1142 : /************************************************************************/
1143 : /* GetNameTypeMapFromSQliteMaster() */
1144 : /************************************************************************/
1145 :
1146 : const std::map<CPLString, CPLString> &
1147 1229 : GDALGeoPackageDataset::GetNameTypeMapFromSQliteMaster()
1148 : {
1149 1229 : if (!m_oMapNameToType.empty())
1150 338 : return m_oMapNameToType;
1151 :
1152 : CPLString osSQL(
1153 : "SELECT name, type FROM sqlite_master WHERE "
1154 : "type IN ('view', 'table') OR "
1155 1782 : "(name LIKE 'trigger_%_feature_count_%' AND type = 'trigger')");
1156 891 : const int nTableLimit = GetOGRTableLimit();
1157 891 : if (nTableLimit > 0)
1158 : {
1159 891 : osSQL += " LIMIT ";
1160 891 : osSQL += CPLSPrintf("%d", 1 + 3 * nTableLimit);
1161 : }
1162 :
1163 891 : auto oResult = SQLQuery(hDB, osSQL);
1164 891 : if (oResult)
1165 : {
1166 14895 : for (int i = 0; i < oResult->RowCount(); i++)
1167 : {
1168 14004 : const char *pszName = oResult->GetValue(0, i);
1169 14004 : const char *pszType = oResult->GetValue(1, i);
1170 14004 : m_oMapNameToType[CPLString(pszName).toupper()] = pszType;
1171 : }
1172 : }
1173 :
1174 891 : return m_oMapNameToType;
1175 : }
1176 :
1177 : /************************************************************************/
1178 : /* RemoveTableFromSQLiteMasterCache() */
1179 : /************************************************************************/
1180 :
1181 55 : void GDALGeoPackageDataset::RemoveTableFromSQLiteMasterCache(
1182 : const char *pszTableName)
1183 : {
1184 55 : m_oMapNameToType.erase(CPLString(pszTableName).toupper());
1185 55 : }
1186 :
1187 : /************************************************************************/
1188 : /* GetUnknownExtensionsTableSpecific() */
1189 : /************************************************************************/
1190 :
1191 : const std::map<CPLString, std::vector<GPKGExtensionDesc>> &
1192 849 : GDALGeoPackageDataset::GetUnknownExtensionsTableSpecific()
1193 : {
1194 849 : if (m_bMapTableToExtensionsBuilt)
1195 89 : return m_oMapTableToExtensions;
1196 760 : m_bMapTableToExtensionsBuilt = true;
1197 :
1198 760 : if (!HasExtensionsTable())
1199 40 : return m_oMapTableToExtensions;
1200 :
1201 : CPLString osSQL(
1202 : "SELECT table_name, extension_name, definition, scope "
1203 : "FROM gpkg_extensions WHERE "
1204 : "table_name IS NOT NULL "
1205 : "AND extension_name IS NOT NULL "
1206 : "AND definition IS NOT NULL "
1207 : "AND scope IS NOT NULL "
1208 : "AND extension_name NOT IN ('gpkg_geom_CIRCULARSTRING', "
1209 : "'gpkg_geom_COMPOUNDCURVE', 'gpkg_geom_CURVEPOLYGON', "
1210 : "'gpkg_geom_MULTICURVE', "
1211 : "'gpkg_geom_MULTISURFACE', 'gpkg_geom_CURVE', 'gpkg_geom_SURFACE', "
1212 : "'gpkg_geom_POLYHEDRALSURFACE', 'gpkg_geom_TIN', 'gpkg_geom_TRIANGLE', "
1213 : "'gpkg_rtree_index', 'gpkg_geometry_type_trigger', "
1214 : "'gpkg_srs_id_trigger', "
1215 : "'gpkg_crs_wkt', 'gpkg_crs_wkt_1_1', 'gpkg_schema', "
1216 : "'gpkg_related_tables', 'related_tables'"
1217 : #ifdef HAVE_SPATIALITE
1218 : ", 'gdal_spatialite_computed_geom_column'"
1219 : #endif
1220 1440 : ")");
1221 720 : const int nTableLimit = GetOGRTableLimit();
1222 720 : if (nTableLimit > 0)
1223 : {
1224 720 : osSQL += " LIMIT ";
1225 720 : osSQL += CPLSPrintf("%d", 1 + 10 * nTableLimit);
1226 : }
1227 :
1228 720 : auto oResult = SQLQuery(hDB, osSQL);
1229 720 : if (oResult)
1230 : {
1231 1377 : for (int i = 0; i < oResult->RowCount(); i++)
1232 : {
1233 657 : const char *pszTableName = oResult->GetValue(0, i);
1234 657 : const char *pszExtensionName = oResult->GetValue(1, i);
1235 657 : const char *pszDefinition = oResult->GetValue(2, i);
1236 657 : const char *pszScope = oResult->GetValue(3, i);
1237 657 : if (pszTableName && pszExtensionName && pszDefinition && pszScope)
1238 : {
1239 657 : GPKGExtensionDesc oDesc;
1240 657 : oDesc.osExtensionName = pszExtensionName;
1241 657 : oDesc.osDefinition = pszDefinition;
1242 657 : oDesc.osScope = pszScope;
1243 1314 : m_oMapTableToExtensions[CPLString(pszTableName).toupper()]
1244 657 : .push_back(std::move(oDesc));
1245 : }
1246 : }
1247 : }
1248 :
1249 720 : return m_oMapTableToExtensions;
1250 : }
1251 :
1252 : /************************************************************************/
1253 : /* GetContents() */
1254 : /************************************************************************/
1255 :
1256 : const std::map<CPLString, GPKGContentsDesc> &
1257 831 : GDALGeoPackageDataset::GetContents()
1258 : {
1259 831 : if (m_bMapTableToContentsBuilt)
1260 73 : return m_oMapTableToContents;
1261 758 : m_bMapTableToContentsBuilt = true;
1262 :
1263 : CPLString osSQL("SELECT table_name, data_type, identifier, "
1264 : "description, min_x, min_y, max_x, max_y "
1265 1516 : "FROM gpkg_contents");
1266 758 : const int nTableLimit = GetOGRTableLimit();
1267 758 : if (nTableLimit > 0)
1268 : {
1269 758 : osSQL += " LIMIT ";
1270 758 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1271 : }
1272 :
1273 758 : auto oResult = SQLQuery(hDB, osSQL);
1274 758 : if (oResult)
1275 : {
1276 1634 : for (int i = 0; i < oResult->RowCount(); i++)
1277 : {
1278 876 : const char *pszTableName = oResult->GetValue(0, i);
1279 876 : if (pszTableName == nullptr)
1280 0 : continue;
1281 876 : const char *pszDataType = oResult->GetValue(1, i);
1282 876 : const char *pszIdentifier = oResult->GetValue(2, i);
1283 876 : const char *pszDescription = oResult->GetValue(3, i);
1284 876 : const char *pszMinX = oResult->GetValue(4, i);
1285 876 : const char *pszMinY = oResult->GetValue(5, i);
1286 876 : const char *pszMaxX = oResult->GetValue(6, i);
1287 876 : const char *pszMaxY = oResult->GetValue(7, i);
1288 876 : GPKGContentsDesc oDesc;
1289 876 : if (pszDataType)
1290 876 : oDesc.osDataType = pszDataType;
1291 876 : if (pszIdentifier)
1292 876 : oDesc.osIdentifier = pszIdentifier;
1293 876 : if (pszDescription)
1294 875 : oDesc.osDescription = pszDescription;
1295 876 : if (pszMinX)
1296 598 : oDesc.osMinX = pszMinX;
1297 876 : if (pszMinY)
1298 598 : oDesc.osMinY = pszMinY;
1299 876 : if (pszMaxX)
1300 598 : oDesc.osMaxX = pszMaxX;
1301 876 : if (pszMaxY)
1302 598 : oDesc.osMaxY = pszMaxY;
1303 1752 : m_oMapTableToContents[CPLString(pszTableName).toupper()] =
1304 1752 : std::move(oDesc);
1305 : }
1306 : }
1307 :
1308 758 : return m_oMapTableToContents;
1309 : }
1310 :
1311 : /************************************************************************/
1312 : /* Open() */
1313 : /************************************************************************/
1314 :
1315 1210 : int GDALGeoPackageDataset::Open(GDALOpenInfo *poOpenInfo,
1316 : const std::string &osFilenameInZip)
1317 : {
1318 1210 : m_osFilenameInZip = osFilenameInZip;
1319 1210 : CPLAssert(m_apoLayers.empty());
1320 1210 : CPLAssert(hDB == nullptr);
1321 :
1322 1210 : SetDescription(poOpenInfo->pszFilename);
1323 2420 : CPLString osFilename(poOpenInfo->pszFilename);
1324 2420 : CPLString osSubdatasetTableName;
1325 : GByte abyHeaderLetMeHerePlease[100];
1326 1210 : const GByte *pabyHeader = poOpenInfo->pabyHeader;
1327 1210 : if (STARTS_WITH_CI(poOpenInfo->pszFilename, "GPKG:"))
1328 : {
1329 246 : char **papszTokens = CSLTokenizeString2(poOpenInfo->pszFilename, ":",
1330 : CSLT_HONOURSTRINGS);
1331 246 : int nCount = CSLCount(papszTokens);
1332 246 : if (nCount < 2)
1333 : {
1334 0 : CSLDestroy(papszTokens);
1335 0 : return FALSE;
1336 : }
1337 :
1338 246 : if (nCount <= 3)
1339 : {
1340 244 : osFilename = papszTokens[1];
1341 : }
1342 : /* GPKG:C:\BLA.GPKG:foo */
1343 2 : else if (nCount == 4 && strlen(papszTokens[1]) == 1 &&
1344 2 : (papszTokens[2][0] == '/' || papszTokens[2][0] == '\\'))
1345 : {
1346 2 : osFilename = CPLString(papszTokens[1]) + ":" + papszTokens[2];
1347 : }
1348 : // GPKG:/vsicurl/http[s]://[user:passwd@]example.com[:8080]/foo.gpkg:bar
1349 0 : else if (/*nCount >= 4 && */
1350 0 : (EQUAL(papszTokens[1], "/vsicurl/http") ||
1351 0 : EQUAL(papszTokens[1], "/vsicurl/https")))
1352 : {
1353 0 : osFilename = CPLString(papszTokens[1]);
1354 0 : for (int i = 2; i < nCount - 1; i++)
1355 : {
1356 0 : osFilename += ':';
1357 0 : osFilename += papszTokens[i];
1358 : }
1359 : }
1360 246 : if (nCount >= 3)
1361 14 : osSubdatasetTableName = papszTokens[nCount - 1];
1362 :
1363 246 : CSLDestroy(papszTokens);
1364 246 : VSILFILE *fp = VSIFOpenL(osFilename, "rb");
1365 246 : if (fp != nullptr)
1366 : {
1367 246 : VSIFReadL(abyHeaderLetMeHerePlease, 1, 100, fp);
1368 246 : VSIFCloseL(fp);
1369 : }
1370 246 : pabyHeader = abyHeaderLetMeHerePlease;
1371 : }
1372 964 : else if (poOpenInfo->pabyHeader &&
1373 964 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1374 : "SQLite format 3"))
1375 : {
1376 957 : m_bCallUndeclareFileNotToOpen = true;
1377 957 : GDALOpenInfoDeclareFileNotToOpen(osFilename, poOpenInfo->pabyHeader,
1378 : poOpenInfo->nHeaderBytes);
1379 : }
1380 :
1381 1210 : eAccess = poOpenInfo->eAccess;
1382 1210 : if (!m_osFilenameInZip.empty())
1383 : {
1384 2 : m_pszFilename = CPLStrdup(CPLSPrintf(
1385 : "/vsizip/{%s}/%s", osFilename.c_str(), m_osFilenameInZip.c_str()));
1386 : }
1387 : else
1388 : {
1389 1208 : m_pszFilename = CPLStrdup(osFilename);
1390 : }
1391 :
1392 1210 : if (poOpenInfo->papszOpenOptions)
1393 : {
1394 100 : CSLDestroy(papszOpenOptions);
1395 100 : papszOpenOptions = CSLDuplicate(poOpenInfo->papszOpenOptions);
1396 : }
1397 :
1398 : #ifdef ENABLE_SQL_GPKG_FORMAT
1399 1210 : if (poOpenInfo->pabyHeader &&
1400 964 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1401 5 : "-- SQL GPKG") &&
1402 5 : poOpenInfo->fpL != nullptr)
1403 : {
1404 5 : if (sqlite3_open_v2(":memory:", &hDB, SQLITE_OPEN_READWRITE, nullptr) !=
1405 : SQLITE_OK)
1406 : {
1407 0 : return FALSE;
1408 : }
1409 :
1410 5 : InstallSQLFunctions();
1411 :
1412 : // Ingest the lines of the dump
1413 5 : VSIFSeekL(poOpenInfo->fpL, 0, SEEK_SET);
1414 : const char *pszLine;
1415 76 : while ((pszLine = CPLReadLineL(poOpenInfo->fpL)) != nullptr)
1416 : {
1417 71 : if (STARTS_WITH(pszLine, "--"))
1418 5 : continue;
1419 :
1420 66 : if (!SQLCheckLineIsSafe(pszLine))
1421 0 : return false;
1422 :
1423 66 : char *pszErrMsg = nullptr;
1424 66 : if (sqlite3_exec(hDB, pszLine, nullptr, nullptr, &pszErrMsg) !=
1425 : SQLITE_OK)
1426 : {
1427 0 : if (pszErrMsg)
1428 0 : CPLDebug("SQLITE", "Error %s", pszErrMsg);
1429 : }
1430 66 : sqlite3_free(pszErrMsg);
1431 5 : }
1432 : }
1433 :
1434 1205 : else if (pabyHeader != nullptr)
1435 : #endif
1436 : {
1437 1205 : if (poOpenInfo->fpL)
1438 : {
1439 : // See above comment about -wal locking for the importance of
1440 : // closing that file, prior to calling sqlite3_open()
1441 859 : VSIFCloseL(poOpenInfo->fpL);
1442 859 : poOpenInfo->fpL = nullptr;
1443 : }
1444 :
1445 : /* See if we can open the SQLite database */
1446 1205 : if (!OpenOrCreateDB(GetUpdate() ? SQLITE_OPEN_READWRITE
1447 : : SQLITE_OPEN_READONLY))
1448 2 : return FALSE;
1449 :
1450 1203 : memcpy(&m_nApplicationId, pabyHeader + knApplicationIdPos, 4);
1451 1203 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
1452 1203 : memcpy(&m_nUserVersion, pabyHeader + knUserVersionPos, 4);
1453 1203 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
1454 1203 : if (m_nApplicationId == GP10_APPLICATION_ID)
1455 : {
1456 7 : CPLDebug("GPKG", "GeoPackage v1.0");
1457 : }
1458 1196 : else if (m_nApplicationId == GP11_APPLICATION_ID)
1459 : {
1460 2 : CPLDebug("GPKG", "GeoPackage v1.1");
1461 : }
1462 1194 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
1463 1190 : m_nUserVersion >= GPKG_1_2_VERSION)
1464 : {
1465 1188 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
1466 1188 : (m_nUserVersion % 10000) / 100, m_nUserVersion % 100);
1467 : }
1468 : }
1469 :
1470 : /* Requirement 6: The SQLite PRAGMA integrity_check SQL command SHALL return
1471 : * “ok” */
1472 : /* http://opengis.github.io/geopackage/#_file_integrity */
1473 : /* Disable integrity check by default, since it is expensive on big files */
1474 1208 : if (CPLTestBool(CPLGetConfigOption("OGR_GPKG_INTEGRITY_CHECK", "NO")) &&
1475 0 : OGRERR_NONE != PragmaCheck("integrity_check", "ok", 1))
1476 : {
1477 0 : CPLError(CE_Failure, CPLE_AppDefined,
1478 : "pragma integrity_check on '%s' failed", m_pszFilename);
1479 0 : return FALSE;
1480 : }
1481 :
1482 : /* Requirement 7: The SQLite PRAGMA foreign_key_check() SQL with no */
1483 : /* parameter value SHALL return an empty result set */
1484 : /* http://opengis.github.io/geopackage/#_file_integrity */
1485 : /* Disable the check by default, since it is to corrupt databases, and */
1486 : /* that causes issues to downstream software that can't open them. */
1487 1208 : if (CPLTestBool(CPLGetConfigOption("OGR_GPKG_FOREIGN_KEY_CHECK", "NO")) &&
1488 0 : OGRERR_NONE != PragmaCheck("foreign_key_check", "", 0))
1489 : {
1490 0 : CPLError(CE_Failure, CPLE_AppDefined,
1491 : "pragma foreign_key_check on '%s' failed.", m_pszFilename);
1492 0 : return FALSE;
1493 : }
1494 :
1495 : /* Check for requirement metadata tables */
1496 : /* Requirement 10: gpkg_spatial_ref_sys must exist */
1497 : /* Requirement 13: gpkg_contents must exist */
1498 1208 : if (SQLGetInteger(hDB,
1499 : "SELECT COUNT(*) FROM sqlite_master WHERE "
1500 : "name IN ('gpkg_spatial_ref_sys', 'gpkg_contents') AND "
1501 : "type IN ('table', 'view')",
1502 1208 : nullptr) != 2)
1503 : {
1504 0 : CPLError(CE_Failure, CPLE_AppDefined,
1505 : "At least one of the required GeoPackage tables, "
1506 : "gpkg_spatial_ref_sys or gpkg_contents, is missing");
1507 0 : return FALSE;
1508 : }
1509 :
1510 1208 : DetectSpatialRefSysColumns();
1511 :
1512 : #ifdef ENABLE_GPKG_OGR_CONTENTS
1513 1208 : if (SQLGetInteger(hDB,
1514 : "SELECT 1 FROM sqlite_master WHERE "
1515 : "name = 'gpkg_ogr_contents' AND type = 'table'",
1516 1208 : nullptr) == 1)
1517 : {
1518 1200 : m_bHasGPKGOGRContents = true;
1519 : }
1520 : #endif
1521 :
1522 1208 : CheckUnknownExtensions();
1523 :
1524 1208 : int bRet = FALSE;
1525 1208 : bool bHasGPKGExtRelations = false;
1526 1208 : if (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR)
1527 : {
1528 1022 : m_bHasGPKGGeometryColumns =
1529 1022 : SQLGetInteger(hDB,
1530 : "SELECT 1 FROM sqlite_master WHERE "
1531 : "name = 'gpkg_geometry_columns' AND "
1532 : "type IN ('table', 'view')",
1533 1022 : nullptr) == 1;
1534 1022 : bHasGPKGExtRelations = HasGpkgextRelationsTable();
1535 : }
1536 1208 : if (m_bHasGPKGGeometryColumns)
1537 : {
1538 : /* Load layer definitions for all tables in gpkg_contents &
1539 : * gpkg_geometry_columns */
1540 : /* and non-spatial tables as well */
1541 : std::string osSQL =
1542 : "SELECT c.table_name, c.identifier, 1 as is_spatial, "
1543 : "g.column_name, g.geometry_type_name, g.z, g.m, c.min_x, c.min_y, "
1544 : "c.max_x, c.max_y, 1 AS is_in_gpkg_contents, "
1545 : "(SELECT type FROM sqlite_master WHERE lower(name) = "
1546 : "lower(c.table_name) AND type IN ('table', 'view')) AS object_type "
1547 : " FROM gpkg_geometry_columns g "
1548 : " JOIN gpkg_contents c ON (g.table_name = c.table_name)"
1549 : " WHERE "
1550 : " c.table_name <> 'ogr_empty_table' AND"
1551 : " c.data_type = 'features' "
1552 : // aspatial: Was the only method available in OGR 2.0 and 2.1
1553 : // attributes: GPKG 1.2 or later
1554 : "UNION ALL "
1555 : "SELECT table_name, identifier, 0 as is_spatial, NULL, NULL, 0, 0, "
1556 : "0 AS xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 1 AS "
1557 : "is_in_gpkg_contents, "
1558 : "(SELECT type FROM sqlite_master WHERE lower(name) = "
1559 : "lower(table_name) AND type IN ('table', 'view')) AS object_type "
1560 : " FROM gpkg_contents"
1561 1021 : " WHERE data_type IN ('aspatial', 'attributes') ";
1562 :
1563 2042 : const char *pszListAllTables = CSLFetchNameValueDef(
1564 1021 : poOpenInfo->papszOpenOptions, "LIST_ALL_TABLES", "AUTO");
1565 1021 : bool bHasASpatialOrAttributes = HasGDALAspatialExtension();
1566 1021 : if (!bHasASpatialOrAttributes)
1567 : {
1568 : auto oResultTable =
1569 : SQLQuery(hDB, "SELECT * FROM gpkg_contents WHERE "
1570 1020 : "data_type = 'attributes' LIMIT 1");
1571 1020 : bHasASpatialOrAttributes =
1572 1020 : (oResultTable && oResultTable->RowCount() == 1);
1573 : }
1574 1021 : if (bHasGPKGExtRelations)
1575 : {
1576 : osSQL += "UNION ALL "
1577 : "SELECT mapping_table_name, mapping_table_name, 0 as "
1578 : "is_spatial, NULL, NULL, 0, 0, 0 AS "
1579 : "xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 0 AS "
1580 : "is_in_gpkg_contents, 'table' AS object_type "
1581 : "FROM gpkgext_relations WHERE "
1582 : "lower(mapping_table_name) NOT IN (SELECT "
1583 : "lower(table_name) FROM gpkg_contents) AND "
1584 : "EXISTS (SELECT 1 FROM sqlite_master WHERE "
1585 : "type IN ('table', 'view') AND "
1586 18 : "lower(name) = lower(mapping_table_name))";
1587 : }
1588 1021 : if (EQUAL(pszListAllTables, "YES") ||
1589 1020 : (!bHasASpatialOrAttributes && EQUAL(pszListAllTables, "AUTO")))
1590 : {
1591 : // vgpkg_ is Spatialite virtual table
1592 : osSQL +=
1593 : "UNION ALL "
1594 : "SELECT name, name, 0 as is_spatial, NULL, NULL, 0, 0, 0 AS "
1595 : "xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 0 AS "
1596 : "is_in_gpkg_contents, type AS object_type "
1597 : "FROM sqlite_master WHERE type IN ('table', 'view') "
1598 : "AND name NOT LIKE 'gpkg_%' "
1599 : "AND name NOT LIKE 'vgpkg_%' "
1600 : "AND name NOT LIKE 'rtree_%' AND name NOT LIKE 'sqlite_%' "
1601 : // Avoid reading those views from simple_sewer_features.gpkg
1602 : "AND name NOT IN ('st_spatial_ref_sys', 'spatial_ref_sys', "
1603 : "'st_geometry_columns', 'geometry_columns') "
1604 : "AND lower(name) NOT IN (SELECT lower(table_name) FROM "
1605 962 : "gpkg_contents)";
1606 962 : if (bHasGPKGExtRelations)
1607 : {
1608 : osSQL += " AND lower(name) NOT IN (SELECT "
1609 : "lower(mapping_table_name) FROM "
1610 13 : "gpkgext_relations)";
1611 : }
1612 : }
1613 1021 : const int nTableLimit = GetOGRTableLimit();
1614 1021 : if (nTableLimit > 0)
1615 : {
1616 1021 : osSQL += " LIMIT ";
1617 1021 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1618 : }
1619 :
1620 1021 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1621 1021 : if (!oResult)
1622 : {
1623 0 : return FALSE;
1624 : }
1625 :
1626 1021 : if (nTableLimit > 0 && oResult->RowCount() > nTableLimit)
1627 : {
1628 1 : CPLError(CE_Warning, CPLE_AppDefined,
1629 : "File has more than %d vector tables. "
1630 : "Limiting to first %d (can be overridden with "
1631 : "OGR_TABLE_LIMIT config option)",
1632 : nTableLimit, nTableLimit);
1633 1 : oResult->LimitRowCount(nTableLimit);
1634 : }
1635 :
1636 1021 : if (oResult->RowCount() > 0)
1637 : {
1638 905 : bRet = TRUE;
1639 :
1640 905 : m_apoLayers.reserve(oResult->RowCount());
1641 :
1642 1810 : std::map<std::string, int> oMapTableRefCount;
1643 4006 : for (int i = 0; i < oResult->RowCount(); i++)
1644 : {
1645 3101 : const char *pszTableName = oResult->GetValue(0, i);
1646 3101 : if (pszTableName == nullptr)
1647 0 : continue;
1648 3101 : if (++oMapTableRefCount[pszTableName] == 2)
1649 : {
1650 : // This should normally not happen if all constraints are
1651 : // properly set
1652 2 : CPLError(CE_Warning, CPLE_AppDefined,
1653 : "Table %s appearing several times in "
1654 : "gpkg_contents and/or gpkg_geometry_columns",
1655 : pszTableName);
1656 : }
1657 : }
1658 :
1659 1810 : std::set<std::string> oExistingLayers;
1660 4006 : for (int i = 0; i < oResult->RowCount(); i++)
1661 : {
1662 3101 : const char *pszTableName = oResult->GetValue(0, i);
1663 3101 : if (pszTableName == nullptr)
1664 2 : continue;
1665 : const bool bTableHasSeveralGeomColumns =
1666 3101 : oMapTableRefCount[pszTableName] > 1;
1667 3101 : bool bIsSpatial = CPL_TO_BOOL(oResult->GetValueAsInteger(2, i));
1668 3101 : const char *pszGeomColName = oResult->GetValue(3, i);
1669 3101 : const char *pszGeomType = oResult->GetValue(4, i);
1670 3101 : const char *pszZ = oResult->GetValue(5, i);
1671 3101 : const char *pszM = oResult->GetValue(6, i);
1672 : bool bIsInGpkgContents =
1673 3101 : CPL_TO_BOOL(oResult->GetValueAsInteger(11, i));
1674 3101 : if (!bIsInGpkgContents)
1675 44 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound = true;
1676 3101 : const char *pszObjectType = oResult->GetValue(12, i);
1677 3101 : if (pszObjectType == nullptr ||
1678 3100 : !(EQUAL(pszObjectType, "table") ||
1679 21 : EQUAL(pszObjectType, "view")))
1680 : {
1681 1 : CPLError(CE_Warning, CPLE_AppDefined,
1682 : "Table/view %s is referenced in gpkg_contents, "
1683 : "but does not exist",
1684 : pszTableName);
1685 1 : continue;
1686 : }
1687 : // Non-standard and undocumented behavior:
1688 : // if the same table appears to have several geometry columns,
1689 : // handle it for now as multiple layers named
1690 : // "table_name (geom_col_name)"
1691 : // The way we handle that might change in the future (e.g
1692 : // could be a single layer with multiple geometry columns)
1693 : std::string osLayerNameWithGeomColName =
1694 6082 : pszGeomColName ? std::string(pszTableName) + " (" +
1695 : pszGeomColName + ')'
1696 6200 : : std::string(pszTableName);
1697 3100 : if (cpl::contains(oExistingLayers, osLayerNameWithGeomColName))
1698 1 : continue;
1699 3099 : oExistingLayers.insert(osLayerNameWithGeomColName);
1700 : const std::string osLayerName =
1701 : bTableHasSeveralGeomColumns
1702 3 : ? std::move(osLayerNameWithGeomColName)
1703 6201 : : std::string(pszTableName);
1704 : auto poLayer = std::make_unique<OGRGeoPackageTableLayer>(
1705 6198 : this, osLayerName.c_str());
1706 3099 : bool bHasZ = pszZ && atoi(pszZ) > 0;
1707 3099 : bool bHasM = pszM && atoi(pszM) > 0;
1708 3099 : if (pszGeomType && EQUAL(pszGeomType, "GEOMETRY"))
1709 : {
1710 615 : if (pszZ && atoi(pszZ) == 2)
1711 7 : bHasZ = false;
1712 615 : if (pszM && atoi(pszM) == 2)
1713 6 : bHasM = false;
1714 : }
1715 3099 : poLayer->SetOpeningParameters(
1716 : pszTableName, pszObjectType, bIsInGpkgContents, bIsSpatial,
1717 : pszGeomColName, pszGeomType, bHasZ, bHasM);
1718 3099 : m_apoLayers.push_back(std::move(poLayer));
1719 : }
1720 : }
1721 : }
1722 :
1723 1208 : bool bHasTileMatrixSet = false;
1724 1208 : if (poOpenInfo->nOpenFlags & GDAL_OF_RASTER)
1725 : {
1726 570 : bHasTileMatrixSet = SQLGetInteger(hDB,
1727 : "SELECT 1 FROM sqlite_master WHERE "
1728 : "name = 'gpkg_tile_matrix_set' AND "
1729 : "type IN ('table', 'view')",
1730 : nullptr) == 1;
1731 : }
1732 1208 : if (bHasTileMatrixSet)
1733 : {
1734 : std::string osSQL =
1735 : "SELECT c.table_name, c.identifier, c.description, c.srs_id, "
1736 : "c.min_x, c.min_y, c.max_x, c.max_y, "
1737 : "tms.min_x, tms.min_y, tms.max_x, tms.max_y, c.data_type "
1738 : "FROM gpkg_contents c JOIN gpkg_tile_matrix_set tms ON "
1739 : "c.table_name = tms.table_name WHERE "
1740 568 : "data_type IN ('tiles', '2d-gridded-coverage')";
1741 568 : if (CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE"))
1742 : osSubdatasetTableName =
1743 2 : CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE");
1744 568 : if (!osSubdatasetTableName.empty())
1745 : {
1746 16 : char *pszTmp = sqlite3_mprintf(" AND c.table_name='%q'",
1747 : osSubdatasetTableName.c_str());
1748 16 : osSQL += pszTmp;
1749 16 : sqlite3_free(pszTmp);
1750 16 : SetPhysicalFilename(osFilename.c_str());
1751 : }
1752 568 : const int nTableLimit = GetOGRTableLimit();
1753 568 : if (nTableLimit > 0)
1754 : {
1755 568 : osSQL += " LIMIT ";
1756 568 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1757 : }
1758 :
1759 568 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1760 568 : if (!oResult)
1761 : {
1762 0 : return FALSE;
1763 : }
1764 :
1765 568 : if (oResult->RowCount() == 0 && !osSubdatasetTableName.empty())
1766 : {
1767 1 : CPLError(CE_Failure, CPLE_AppDefined,
1768 : "Cannot find table '%s' in GeoPackage dataset",
1769 : osSubdatasetTableName.c_str());
1770 : }
1771 567 : else if (oResult->RowCount() == 1)
1772 : {
1773 273 : const char *pszTableName = oResult->GetValue(0, 0);
1774 273 : const char *pszIdentifier = oResult->GetValue(1, 0);
1775 273 : const char *pszDescription = oResult->GetValue(2, 0);
1776 273 : const char *pszSRSId = oResult->GetValue(3, 0);
1777 273 : const char *pszMinX = oResult->GetValue(4, 0);
1778 273 : const char *pszMinY = oResult->GetValue(5, 0);
1779 273 : const char *pszMaxX = oResult->GetValue(6, 0);
1780 273 : const char *pszMaxY = oResult->GetValue(7, 0);
1781 273 : const char *pszTMSMinX = oResult->GetValue(8, 0);
1782 273 : const char *pszTMSMinY = oResult->GetValue(9, 0);
1783 273 : const char *pszTMSMaxX = oResult->GetValue(10, 0);
1784 273 : const char *pszTMSMaxY = oResult->GetValue(11, 0);
1785 273 : const char *pszDataType = oResult->GetValue(12, 0);
1786 273 : if (pszTableName && pszTMSMinX && pszTMSMinY && pszTMSMaxX &&
1787 : pszTMSMaxY)
1788 : {
1789 546 : bRet = OpenRaster(
1790 : pszTableName, pszIdentifier, pszDescription,
1791 273 : pszSRSId ? atoi(pszSRSId) : 0, CPLAtof(pszTMSMinX),
1792 : CPLAtof(pszTMSMinY), CPLAtof(pszTMSMaxX),
1793 : CPLAtof(pszTMSMaxY), pszMinX, pszMinY, pszMaxX, pszMaxY,
1794 273 : EQUAL(pszDataType, "tiles"), poOpenInfo->papszOpenOptions);
1795 : }
1796 : }
1797 294 : else if (oResult->RowCount() >= 1)
1798 : {
1799 5 : bRet = TRUE;
1800 :
1801 5 : if (nTableLimit > 0 && oResult->RowCount() > nTableLimit)
1802 : {
1803 1 : CPLError(CE_Warning, CPLE_AppDefined,
1804 : "File has more than %d raster tables. "
1805 : "Limiting to first %d (can be overridden with "
1806 : "OGR_TABLE_LIMIT config option)",
1807 : nTableLimit, nTableLimit);
1808 1 : oResult->LimitRowCount(nTableLimit);
1809 : }
1810 :
1811 5 : int nSDSCount = 0;
1812 2013 : for (int i = 0; i < oResult->RowCount(); i++)
1813 : {
1814 2008 : const char *pszTableName = oResult->GetValue(0, i);
1815 2008 : const char *pszIdentifier = oResult->GetValue(1, i);
1816 2008 : if (pszTableName == nullptr)
1817 0 : continue;
1818 : m_aosSubDatasets.AddNameValue(
1819 : CPLSPrintf("SUBDATASET_%d_NAME", nSDSCount + 1),
1820 2008 : CPLSPrintf("GPKG:%s:%s", m_pszFilename, pszTableName));
1821 : m_aosSubDatasets.AddNameValue(
1822 : CPLSPrintf("SUBDATASET_%d_DESC", nSDSCount + 1),
1823 : pszIdentifier
1824 2008 : ? CPLSPrintf("%s - %s", pszTableName, pszIdentifier)
1825 4016 : : pszTableName);
1826 2008 : nSDSCount++;
1827 : }
1828 : }
1829 : }
1830 :
1831 1208 : if (!bRet && (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR))
1832 : {
1833 32 : if ((poOpenInfo->nOpenFlags & GDAL_OF_UPDATE))
1834 : {
1835 21 : bRet = TRUE;
1836 : }
1837 : else
1838 : {
1839 11 : CPLDebug("GPKG",
1840 : "This GeoPackage has no vector content and is opened "
1841 : "in read-only mode. If you open it in update mode, "
1842 : "opening will be successful.");
1843 : }
1844 : }
1845 :
1846 1208 : if (eAccess == GA_Update)
1847 : {
1848 246 : FixupWrongRTreeTrigger();
1849 246 : FixupWrongMedataReferenceColumnNameUpdate();
1850 : }
1851 :
1852 1208 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
1853 :
1854 1208 : return bRet;
1855 : }
1856 :
1857 : /************************************************************************/
1858 : /* DetectSpatialRefSysColumns() */
1859 : /************************************************************************/
1860 :
1861 1218 : void GDALGeoPackageDataset::DetectSpatialRefSysColumns()
1862 : {
1863 : // Detect definition_12_063 column
1864 : {
1865 1218 : sqlite3_stmt *hSQLStmt = nullptr;
1866 1218 : int rc = sqlite3_prepare_v2(
1867 : hDB, "SELECT definition_12_063 FROM gpkg_spatial_ref_sys ", -1,
1868 : &hSQLStmt, nullptr);
1869 1218 : if (rc == SQLITE_OK)
1870 : {
1871 85 : m_bHasDefinition12_063 = true;
1872 85 : sqlite3_finalize(hSQLStmt);
1873 : }
1874 : }
1875 :
1876 : // Detect epoch column
1877 1218 : if (m_bHasDefinition12_063)
1878 : {
1879 85 : sqlite3_stmt *hSQLStmt = nullptr;
1880 : int rc =
1881 85 : sqlite3_prepare_v2(hDB, "SELECT epoch FROM gpkg_spatial_ref_sys ",
1882 : -1, &hSQLStmt, nullptr);
1883 85 : if (rc == SQLITE_OK)
1884 : {
1885 76 : m_bHasEpochColumn = true;
1886 76 : sqlite3_finalize(hSQLStmt);
1887 : }
1888 : }
1889 1218 : }
1890 :
1891 : /************************************************************************/
1892 : /* FixupWrongRTreeTrigger() */
1893 : /************************************************************************/
1894 :
1895 246 : void GDALGeoPackageDataset::FixupWrongRTreeTrigger()
1896 : {
1897 : auto oResult = SQLQuery(
1898 : hDB,
1899 : "SELECT name, sql FROM sqlite_master WHERE type = 'trigger' AND "
1900 246 : "NAME LIKE 'rtree_%_update3' AND sql LIKE '% AFTER UPDATE OF % ON %'");
1901 246 : if (oResult == nullptr)
1902 0 : return;
1903 246 : if (oResult->RowCount() > 0)
1904 : {
1905 1 : CPLDebug("GPKG", "Fixing incorrect trigger(s) related to RTree");
1906 : }
1907 248 : for (int i = 0; i < oResult->RowCount(); i++)
1908 : {
1909 2 : const char *pszName = oResult->GetValue(0, i);
1910 2 : const char *pszSQL = oResult->GetValue(1, i);
1911 2 : const char *pszPtr1 = strstr(pszSQL, " AFTER UPDATE OF ");
1912 2 : if (pszPtr1)
1913 : {
1914 2 : const char *pszPtr = pszPtr1 + strlen(" AFTER UPDATE OF ");
1915 : // Skipping over geometry column name
1916 4 : while (*pszPtr == ' ')
1917 2 : pszPtr++;
1918 2 : if (pszPtr[0] == '"' || pszPtr[0] == '\'')
1919 : {
1920 1 : char chStringDelim = pszPtr[0];
1921 1 : pszPtr++;
1922 9 : while (*pszPtr != '\0' && *pszPtr != chStringDelim)
1923 : {
1924 8 : if (*pszPtr == '\\' && pszPtr[1] == chStringDelim)
1925 0 : pszPtr += 2;
1926 : else
1927 8 : pszPtr += 1;
1928 : }
1929 1 : if (*pszPtr == chStringDelim)
1930 1 : pszPtr++;
1931 : }
1932 : else
1933 : {
1934 1 : pszPtr++;
1935 8 : while (*pszPtr != ' ')
1936 7 : pszPtr++;
1937 : }
1938 2 : if (*pszPtr == ' ')
1939 : {
1940 2 : SQLCommand(hDB,
1941 4 : ("DROP TRIGGER \"" + SQLEscapeName(pszName) + "\"")
1942 : .c_str());
1943 4 : CPLString newSQL;
1944 2 : newSQL.assign(pszSQL, pszPtr1 - pszSQL);
1945 2 : newSQL += " AFTER UPDATE";
1946 2 : newSQL += pszPtr;
1947 2 : SQLCommand(hDB, newSQL);
1948 : }
1949 : }
1950 : }
1951 : }
1952 :
1953 : /************************************************************************/
1954 : /* FixupWrongMedataReferenceColumnNameUpdate() */
1955 : /************************************************************************/
1956 :
1957 246 : void GDALGeoPackageDataset::FixupWrongMedataReferenceColumnNameUpdate()
1958 : {
1959 : // Fix wrong trigger that was generated by GDAL < 2.4.0
1960 : // See https://github.com/qgis/QGIS/issues/42768
1961 : auto oResult = SQLQuery(
1962 : hDB, "SELECT sql FROM sqlite_master WHERE type = 'trigger' AND "
1963 : "NAME ='gpkg_metadata_reference_column_name_update' AND "
1964 246 : "sql LIKE '%column_nameIS%'");
1965 246 : if (oResult == nullptr)
1966 0 : return;
1967 246 : if (oResult->RowCount() == 1)
1968 : {
1969 1 : CPLDebug("GPKG", "Fixing incorrect trigger "
1970 : "gpkg_metadata_reference_column_name_update");
1971 1 : const char *pszSQL = oResult->GetValue(0, 0);
1972 : std::string osNewSQL(
1973 3 : CPLString(pszSQL).replaceAll("column_nameIS", "column_name IS"));
1974 :
1975 1 : SQLCommand(hDB,
1976 : "DROP TRIGGER gpkg_metadata_reference_column_name_update");
1977 1 : SQLCommand(hDB, osNewSQL.c_str());
1978 : }
1979 : }
1980 :
1981 : /************************************************************************/
1982 : /* ClearCachedRelationships() */
1983 : /************************************************************************/
1984 :
1985 36 : void GDALGeoPackageDataset::ClearCachedRelationships()
1986 : {
1987 36 : m_bHasPopulatedRelationships = false;
1988 36 : m_osMapRelationships.clear();
1989 36 : }
1990 :
1991 : /************************************************************************/
1992 : /* LoadRelationships() */
1993 : /************************************************************************/
1994 :
1995 83 : void GDALGeoPackageDataset::LoadRelationships() const
1996 : {
1997 83 : m_osMapRelationships.clear();
1998 :
1999 83 : std::vector<std::string> oExcludedTables;
2000 83 : if (HasGpkgextRelationsTable())
2001 : {
2002 37 : LoadRelationshipsUsingRelatedTablesExtension();
2003 :
2004 89 : for (const auto &oRelationship : m_osMapRelationships)
2005 : {
2006 : oExcludedTables.emplace_back(
2007 52 : oRelationship.second->GetMappingTableName());
2008 : }
2009 : }
2010 :
2011 : // Also load relationships defined using foreign keys (i.e. one-to-many
2012 : // relationships). Here we must exclude any relationships defined from the
2013 : // related tables extension, we don't want them included twice.
2014 83 : LoadRelationshipsFromForeignKeys(oExcludedTables);
2015 83 : m_bHasPopulatedRelationships = true;
2016 83 : }
2017 :
2018 : /************************************************************************/
2019 : /* LoadRelationshipsUsingRelatedTablesExtension() */
2020 : /************************************************************************/
2021 :
2022 37 : void GDALGeoPackageDataset::LoadRelationshipsUsingRelatedTablesExtension() const
2023 : {
2024 37 : m_osMapRelationships.clear();
2025 :
2026 : auto oResultTable = SQLQuery(
2027 37 : hDB, "SELECT base_table_name, base_primary_column, "
2028 : "related_table_name, related_primary_column, relation_name, "
2029 74 : "mapping_table_name FROM gpkgext_relations");
2030 37 : if (oResultTable && oResultTable->RowCount() > 0)
2031 : {
2032 86 : for (int i = 0; i < oResultTable->RowCount(); i++)
2033 : {
2034 53 : const char *pszBaseTableName = oResultTable->GetValue(0, i);
2035 53 : if (!pszBaseTableName)
2036 : {
2037 0 : CPLError(CE_Warning, CPLE_AppDefined,
2038 : "Could not retrieve base_table_name from "
2039 : "gpkgext_relations");
2040 1 : continue;
2041 : }
2042 53 : const char *pszBasePrimaryColumn = oResultTable->GetValue(1, i);
2043 53 : if (!pszBasePrimaryColumn)
2044 : {
2045 0 : CPLError(CE_Warning, CPLE_AppDefined,
2046 : "Could not retrieve base_primary_column from "
2047 : "gpkgext_relations");
2048 0 : continue;
2049 : }
2050 53 : const char *pszRelatedTableName = oResultTable->GetValue(2, i);
2051 53 : if (!pszRelatedTableName)
2052 : {
2053 0 : CPLError(CE_Warning, CPLE_AppDefined,
2054 : "Could not retrieve related_table_name from "
2055 : "gpkgext_relations");
2056 0 : continue;
2057 : }
2058 53 : const char *pszRelatedPrimaryColumn = oResultTable->GetValue(3, i);
2059 53 : if (!pszRelatedPrimaryColumn)
2060 : {
2061 0 : CPLError(CE_Warning, CPLE_AppDefined,
2062 : "Could not retrieve related_primary_column from "
2063 : "gpkgext_relations");
2064 0 : continue;
2065 : }
2066 53 : const char *pszRelationName = oResultTable->GetValue(4, i);
2067 53 : if (!pszRelationName)
2068 : {
2069 0 : CPLError(
2070 : CE_Warning, CPLE_AppDefined,
2071 : "Could not retrieve relation_name from gpkgext_relations");
2072 0 : continue;
2073 : }
2074 53 : const char *pszMappingTableName = oResultTable->GetValue(5, i);
2075 53 : if (!pszMappingTableName)
2076 : {
2077 0 : CPLError(CE_Warning, CPLE_AppDefined,
2078 : "Could not retrieve mapping_table_name from "
2079 : "gpkgext_relations");
2080 0 : continue;
2081 : }
2082 :
2083 : // confirm that mapping table exists
2084 : char *pszSQL =
2085 53 : sqlite3_mprintf("SELECT 1 FROM sqlite_master WHERE "
2086 : "name='%q' AND type IN ('table', 'view')",
2087 : pszMappingTableName);
2088 53 : const int nMappingTableCount = SQLGetInteger(hDB, pszSQL, nullptr);
2089 53 : sqlite3_free(pszSQL);
2090 :
2091 55 : if (nMappingTableCount < 1 &&
2092 2 : !const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
2093 2 : pszMappingTableName))
2094 : {
2095 1 : CPLError(CE_Warning, CPLE_AppDefined,
2096 : "Relationship mapping table %s does not exist",
2097 : pszMappingTableName);
2098 1 : continue;
2099 : }
2100 :
2101 : const std::string osRelationName = GenerateNameForRelationship(
2102 104 : pszBaseTableName, pszRelatedTableName, pszRelationName);
2103 :
2104 104 : std::string osType{};
2105 : // defined requirement classes -- for these types the relation name
2106 : // will be specific string value from the related tables extension.
2107 : // In this case we need to construct a unique relationship name
2108 : // based on the related tables
2109 52 : if (EQUAL(pszRelationName, "media") ||
2110 40 : EQUAL(pszRelationName, "simple_attributes") ||
2111 40 : EQUAL(pszRelationName, "features") ||
2112 18 : EQUAL(pszRelationName, "attributes") ||
2113 2 : EQUAL(pszRelationName, "tiles"))
2114 : {
2115 50 : osType = pszRelationName;
2116 : }
2117 : else
2118 : {
2119 : // user defined types default to features
2120 2 : osType = "features";
2121 : }
2122 :
2123 : auto poRelationship = std::make_unique<GDALRelationship>(
2124 : osRelationName, pszBaseTableName, pszRelatedTableName,
2125 104 : GRC_MANY_TO_MANY);
2126 :
2127 104 : poRelationship->SetLeftTableFields({pszBasePrimaryColumn});
2128 104 : poRelationship->SetRightTableFields({pszRelatedPrimaryColumn});
2129 104 : poRelationship->SetLeftMappingTableFields({"base_id"});
2130 104 : poRelationship->SetRightMappingTableFields({"related_id"});
2131 52 : poRelationship->SetMappingTableName(pszMappingTableName);
2132 52 : poRelationship->SetRelatedTableType(osType);
2133 :
2134 52 : m_osMapRelationships[osRelationName] = std::move(poRelationship);
2135 : }
2136 : }
2137 37 : }
2138 :
2139 : /************************************************************************/
2140 : /* GenerateNameForRelationship() */
2141 : /************************************************************************/
2142 :
2143 76 : std::string GDALGeoPackageDataset::GenerateNameForRelationship(
2144 : const char *pszBaseTableName, const char *pszRelatedTableName,
2145 : const char *pszType)
2146 : {
2147 : // defined requirement classes -- for these types the relation name will be
2148 : // specific string value from the related tables extension. In this case we
2149 : // need to construct a unique relationship name based on the related tables
2150 76 : if (EQUAL(pszType, "media") || EQUAL(pszType, "simple_attributes") ||
2151 53 : EQUAL(pszType, "features") || EQUAL(pszType, "attributes") ||
2152 8 : EQUAL(pszType, "tiles"))
2153 : {
2154 136 : std::ostringstream stream;
2155 : stream << pszBaseTableName << '_' << pszRelatedTableName << '_'
2156 68 : << pszType;
2157 68 : return stream.str();
2158 : }
2159 : else
2160 : {
2161 : // user defined types default to features
2162 8 : return pszType;
2163 : }
2164 : }
2165 :
2166 : /************************************************************************/
2167 : /* ValidateRelationship() */
2168 : /************************************************************************/
2169 :
2170 28 : bool GDALGeoPackageDataset::ValidateRelationship(
2171 : const GDALRelationship *poRelationship, std::string &failureReason)
2172 : {
2173 :
2174 28 : if (poRelationship->GetCardinality() !=
2175 : GDALRelationshipCardinality::GRC_MANY_TO_MANY)
2176 : {
2177 3 : failureReason = "Only many to many relationships are supported";
2178 3 : return false;
2179 : }
2180 :
2181 50 : std::string osRelatedTableType = poRelationship->GetRelatedTableType();
2182 65 : if (!osRelatedTableType.empty() && osRelatedTableType != "features" &&
2183 30 : osRelatedTableType != "media" &&
2184 20 : osRelatedTableType != "simple_attributes" &&
2185 55 : osRelatedTableType != "attributes" && osRelatedTableType != "tiles")
2186 : {
2187 : failureReason =
2188 4 : ("Related table type " + osRelatedTableType +
2189 : " is not a valid value for the GeoPackage specification. "
2190 : "Valid values are: features, media, simple_attributes, "
2191 : "attributes, tiles.")
2192 2 : .c_str();
2193 2 : return false;
2194 : }
2195 :
2196 23 : const std::string &osLeftTableName = poRelationship->GetLeftTableName();
2197 23 : OGRGeoPackageLayer *poLeftTable = cpl::down_cast<OGRGeoPackageLayer *>(
2198 23 : GetLayerByName(osLeftTableName.c_str()));
2199 23 : if (!poLeftTable)
2200 : {
2201 4 : failureReason = ("Left table " + osLeftTableName +
2202 : " is not an existing layer in the dataset")
2203 2 : .c_str();
2204 2 : return false;
2205 : }
2206 21 : const std::string &osRightTableName = poRelationship->GetRightTableName();
2207 21 : OGRGeoPackageLayer *poRightTable = cpl::down_cast<OGRGeoPackageLayer *>(
2208 21 : GetLayerByName(osRightTableName.c_str()));
2209 21 : if (!poRightTable)
2210 : {
2211 4 : failureReason = ("Right table " + osRightTableName +
2212 : " is not an existing layer in the dataset")
2213 2 : .c_str();
2214 2 : return false;
2215 : }
2216 :
2217 19 : const auto &aosLeftTableFields = poRelationship->GetLeftTableFields();
2218 19 : if (aosLeftTableFields.empty())
2219 : {
2220 1 : failureReason = "No left table fields were specified";
2221 1 : return false;
2222 : }
2223 18 : else if (aosLeftTableFields.size() > 1)
2224 : {
2225 : failureReason = "Only a single left table field is permitted for the "
2226 1 : "GeoPackage specification";
2227 1 : return false;
2228 : }
2229 : else
2230 : {
2231 : // validate left field exists
2232 34 : if (poLeftTable->GetLayerDefn()->GetFieldIndex(
2233 37 : aosLeftTableFields[0].c_str()) < 0 &&
2234 3 : !EQUAL(poLeftTable->GetFIDColumn(), aosLeftTableFields[0].c_str()))
2235 : {
2236 2 : failureReason = ("Left table field " + aosLeftTableFields[0] +
2237 2 : " does not exist in " + osLeftTableName)
2238 1 : .c_str();
2239 1 : return false;
2240 : }
2241 : }
2242 :
2243 16 : const auto &aosRightTableFields = poRelationship->GetRightTableFields();
2244 16 : if (aosRightTableFields.empty())
2245 : {
2246 1 : failureReason = "No right table fields were specified";
2247 1 : return false;
2248 : }
2249 15 : else if (aosRightTableFields.size() > 1)
2250 : {
2251 : failureReason = "Only a single right table field is permitted for the "
2252 1 : "GeoPackage specification";
2253 1 : return false;
2254 : }
2255 : else
2256 : {
2257 : // validate right field exists
2258 28 : if (poRightTable->GetLayerDefn()->GetFieldIndex(
2259 32 : aosRightTableFields[0].c_str()) < 0 &&
2260 4 : !EQUAL(poRightTable->GetFIDColumn(),
2261 : aosRightTableFields[0].c_str()))
2262 : {
2263 4 : failureReason = ("Right table field " + aosRightTableFields[0] +
2264 4 : " does not exist in " + osRightTableName)
2265 2 : .c_str();
2266 2 : return false;
2267 : }
2268 : }
2269 :
2270 12 : return true;
2271 : }
2272 :
2273 : /************************************************************************/
2274 : /* InitRaster() */
2275 : /************************************************************************/
2276 :
2277 357 : bool GDALGeoPackageDataset::InitRaster(
2278 : GDALGeoPackageDataset *poParentDS, const char *pszTableName, double dfMinX,
2279 : double dfMinY, double dfMaxX, double dfMaxY, const char *pszContentsMinX,
2280 : const char *pszContentsMinY, const char *pszContentsMaxX,
2281 : const char *pszContentsMaxY, char **papszOpenOptionsIn,
2282 : const SQLResult &oResult, int nIdxInResult)
2283 : {
2284 357 : m_osRasterTable = pszTableName;
2285 357 : m_dfTMSMinX = dfMinX;
2286 357 : m_dfTMSMaxY = dfMaxY;
2287 :
2288 : // Despite prior checking, the type might be Binary and
2289 : // SQLResultGetValue() not working properly on it
2290 357 : int nZoomLevel = atoi(oResult.GetValue(0, nIdxInResult));
2291 357 : if (nZoomLevel < 0 || nZoomLevel > 65536)
2292 : {
2293 0 : return false;
2294 : }
2295 357 : double dfPixelXSize = CPLAtof(oResult.GetValue(1, nIdxInResult));
2296 357 : double dfPixelYSize = CPLAtof(oResult.GetValue(2, nIdxInResult));
2297 357 : if (dfPixelXSize <= 0 || dfPixelYSize <= 0)
2298 : {
2299 0 : return false;
2300 : }
2301 357 : int nTileWidth = atoi(oResult.GetValue(3, nIdxInResult));
2302 357 : int nTileHeight = atoi(oResult.GetValue(4, nIdxInResult));
2303 357 : if (nTileWidth <= 0 || nTileWidth > 65536 || nTileHeight <= 0 ||
2304 : nTileHeight > 65536)
2305 : {
2306 0 : return false;
2307 : }
2308 : int nTileMatrixWidth = static_cast<int>(
2309 714 : std::min(static_cast<GIntBig>(INT_MAX),
2310 357 : CPLAtoGIntBig(oResult.GetValue(5, nIdxInResult))));
2311 : int nTileMatrixHeight = static_cast<int>(
2312 714 : std::min(static_cast<GIntBig>(INT_MAX),
2313 357 : CPLAtoGIntBig(oResult.GetValue(6, nIdxInResult))));
2314 357 : if (nTileMatrixWidth <= 0 || nTileMatrixHeight <= 0)
2315 : {
2316 0 : return false;
2317 : }
2318 :
2319 : /* Use content bounds in priority over tile_matrix_set bounds */
2320 357 : double dfGDALMinX = dfMinX;
2321 357 : double dfGDALMinY = dfMinY;
2322 357 : double dfGDALMaxX = dfMaxX;
2323 357 : double dfGDALMaxY = dfMaxY;
2324 : pszContentsMinX =
2325 357 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINX", pszContentsMinX);
2326 : pszContentsMinY =
2327 357 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINY", pszContentsMinY);
2328 : pszContentsMaxX =
2329 357 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXX", pszContentsMaxX);
2330 : pszContentsMaxY =
2331 357 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXY", pszContentsMaxY);
2332 357 : if (pszContentsMinX != nullptr && pszContentsMinY != nullptr &&
2333 357 : pszContentsMaxX != nullptr && pszContentsMaxY != nullptr)
2334 : {
2335 713 : if (CPLAtof(pszContentsMinX) < CPLAtof(pszContentsMaxX) &&
2336 356 : CPLAtof(pszContentsMinY) < CPLAtof(pszContentsMaxY))
2337 : {
2338 356 : dfGDALMinX = CPLAtof(pszContentsMinX);
2339 356 : dfGDALMinY = CPLAtof(pszContentsMinY);
2340 356 : dfGDALMaxX = CPLAtof(pszContentsMaxX);
2341 356 : dfGDALMaxY = CPLAtof(pszContentsMaxY);
2342 : }
2343 : else
2344 : {
2345 1 : CPLError(CE_Warning, CPLE_AppDefined,
2346 : "Illegal min_x/min_y/max_x/max_y values for %s in open "
2347 : "options and/or gpkg_contents. Using bounds of "
2348 : "gpkg_tile_matrix_set instead",
2349 : pszTableName);
2350 : }
2351 : }
2352 357 : if (dfGDALMinX >= dfGDALMaxX || dfGDALMinY >= dfGDALMaxY)
2353 : {
2354 0 : CPLError(CE_Failure, CPLE_AppDefined,
2355 : "Illegal min_x/min_y/max_x/max_y values for %s", pszTableName);
2356 0 : return false;
2357 : }
2358 :
2359 357 : int nBandCount = 0;
2360 : const char *pszBAND_COUNT =
2361 357 : CSLFetchNameValue(papszOpenOptionsIn, "BAND_COUNT");
2362 357 : if (poParentDS)
2363 : {
2364 86 : nBandCount = poParentDS->GetRasterCount();
2365 : }
2366 271 : else if (m_eDT != GDT_Byte)
2367 : {
2368 65 : if (pszBAND_COUNT != nullptr && !EQUAL(pszBAND_COUNT, "AUTO") &&
2369 0 : !EQUAL(pszBAND_COUNT, "1"))
2370 : {
2371 0 : CPLError(CE_Warning, CPLE_AppDefined,
2372 : "BAND_COUNT ignored for non-Byte data");
2373 : }
2374 65 : nBandCount = 1;
2375 : }
2376 : else
2377 : {
2378 206 : if (pszBAND_COUNT != nullptr && !EQUAL(pszBAND_COUNT, "AUTO"))
2379 : {
2380 69 : nBandCount = atoi(pszBAND_COUNT);
2381 69 : if (nBandCount == 1)
2382 5 : GetMetadata("IMAGE_STRUCTURE");
2383 : }
2384 : else
2385 : {
2386 137 : GetMetadata("IMAGE_STRUCTURE");
2387 137 : nBandCount = m_nBandCountFromMetadata;
2388 137 : if (nBandCount == 1)
2389 38 : m_eTF = GPKG_TF_PNG;
2390 : }
2391 206 : if (nBandCount == 1 && !m_osTFFromMetadata.empty())
2392 : {
2393 2 : m_eTF = GDALGPKGMBTilesGetTileFormat(m_osTFFromMetadata.c_str());
2394 : }
2395 206 : if (nBandCount <= 0 || nBandCount > 4)
2396 85 : nBandCount = 4;
2397 : }
2398 :
2399 357 : return InitRaster(poParentDS, pszTableName, nZoomLevel, nBandCount, dfMinX,
2400 : dfMaxY, dfPixelXSize, dfPixelYSize, nTileWidth,
2401 : nTileHeight, nTileMatrixWidth, nTileMatrixHeight,
2402 357 : dfGDALMinX, dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
2403 : }
2404 :
2405 : /************************************************************************/
2406 : /* ComputeTileAndPixelShifts() */
2407 : /************************************************************************/
2408 :
2409 781 : bool GDALGeoPackageDataset::ComputeTileAndPixelShifts()
2410 : {
2411 : int nTileWidth, nTileHeight;
2412 781 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2413 :
2414 : // Compute shift between GDAL origin and TileMatrixSet origin
2415 781 : const double dfShiftXPixels = (m_gt[0] - m_dfTMSMinX) / m_gt[1];
2416 781 : if (!(dfShiftXPixels / nTileWidth >= INT_MIN &&
2417 778 : dfShiftXPixels / nTileWidth < INT_MAX))
2418 : {
2419 3 : return false;
2420 : }
2421 778 : const int64_t nShiftXPixels =
2422 778 : static_cast<int64_t>(floor(0.5 + dfShiftXPixels));
2423 778 : m_nShiftXTiles = static_cast<int>(nShiftXPixels / nTileWidth);
2424 778 : if (nShiftXPixels < 0 && (nShiftXPixels % nTileWidth) != 0)
2425 11 : m_nShiftXTiles--;
2426 778 : m_nShiftXPixelsMod =
2427 778 : (static_cast<int>(nShiftXPixels % nTileWidth) + nTileWidth) %
2428 : nTileWidth;
2429 :
2430 778 : const double dfShiftYPixels = (m_gt[3] - m_dfTMSMaxY) / m_gt[5];
2431 778 : if (!(dfShiftYPixels / nTileHeight >= INT_MIN &&
2432 778 : dfShiftYPixels / nTileHeight < INT_MAX))
2433 : {
2434 1 : return false;
2435 : }
2436 777 : const int64_t nShiftYPixels =
2437 777 : static_cast<int64_t>(floor(0.5 + dfShiftYPixels));
2438 777 : m_nShiftYTiles = static_cast<int>(nShiftYPixels / nTileHeight);
2439 777 : if (nShiftYPixels < 0 && (nShiftYPixels % nTileHeight) != 0)
2440 11 : m_nShiftYTiles--;
2441 777 : m_nShiftYPixelsMod =
2442 777 : (static_cast<int>(nShiftYPixels % nTileHeight) + nTileHeight) %
2443 : nTileHeight;
2444 777 : return true;
2445 : }
2446 :
2447 : /************************************************************************/
2448 : /* AllocCachedTiles() */
2449 : /************************************************************************/
2450 :
2451 777 : bool GDALGeoPackageDataset::AllocCachedTiles()
2452 : {
2453 : int nTileWidth, nTileHeight;
2454 777 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2455 :
2456 : // We currently need 4 caches because of
2457 : // GDALGPKGMBTilesLikePseudoDataset::ReadTile(int nRow, int nCol)
2458 777 : const int nCacheCount = 4;
2459 : /*
2460 : (m_nShiftXPixelsMod != 0 || m_nShiftYPixelsMod != 0) ? 4 :
2461 : (GetUpdate() && m_eDT == GDT_Byte) ? 2 : 1;
2462 : */
2463 777 : m_pabyCachedTiles = static_cast<GByte *>(VSI_MALLOC3_VERBOSE(
2464 : cpl::fits_on<int>(nCacheCount * (m_eDT == GDT_Byte ? 4 : 1) *
2465 : m_nDTSize),
2466 : nTileWidth, nTileHeight));
2467 777 : if (m_pabyCachedTiles == nullptr)
2468 : {
2469 0 : CPLError(CE_Failure, CPLE_AppDefined, "Too big tiles: %d x %d",
2470 : nTileWidth, nTileHeight);
2471 0 : return false;
2472 : }
2473 :
2474 777 : return true;
2475 : }
2476 :
2477 : /************************************************************************/
2478 : /* InitRaster() */
2479 : /************************************************************************/
2480 :
2481 596 : bool GDALGeoPackageDataset::InitRaster(
2482 : GDALGeoPackageDataset *poParentDS, const char *pszTableName, int nZoomLevel,
2483 : int nBandCount, double dfTMSMinX, double dfTMSMaxY, double dfPixelXSize,
2484 : double dfPixelYSize, int nTileWidth, int nTileHeight, int nTileMatrixWidth,
2485 : int nTileMatrixHeight, double dfGDALMinX, double dfGDALMinY,
2486 : double dfGDALMaxX, double dfGDALMaxY)
2487 : {
2488 596 : m_osRasterTable = pszTableName;
2489 596 : m_dfTMSMinX = dfTMSMinX;
2490 596 : m_dfTMSMaxY = dfTMSMaxY;
2491 596 : m_nZoomLevel = nZoomLevel;
2492 596 : m_nTileMatrixWidth = nTileMatrixWidth;
2493 596 : m_nTileMatrixHeight = nTileMatrixHeight;
2494 :
2495 596 : m_bGeoTransformValid = true;
2496 596 : m_gt[0] = dfGDALMinX;
2497 596 : m_gt[1] = dfPixelXSize;
2498 596 : m_gt[3] = dfGDALMaxY;
2499 596 : m_gt[5] = -dfPixelYSize;
2500 596 : double dfRasterXSize = 0.5 + (dfGDALMaxX - dfGDALMinX) / dfPixelXSize;
2501 596 : double dfRasterYSize = 0.5 + (dfGDALMaxY - dfGDALMinY) / dfPixelYSize;
2502 596 : if (dfRasterXSize > INT_MAX || dfRasterYSize > INT_MAX)
2503 : {
2504 0 : CPLError(CE_Failure, CPLE_NotSupported, "Too big raster: %f x %f",
2505 : dfRasterXSize, dfRasterYSize);
2506 0 : return false;
2507 : }
2508 596 : nRasterXSize = std::max(1, static_cast<int>(dfRasterXSize));
2509 596 : nRasterYSize = std::max(1, static_cast<int>(dfRasterYSize));
2510 :
2511 596 : if (poParentDS)
2512 : {
2513 325 : m_poParentDS = poParentDS;
2514 325 : eAccess = poParentDS->eAccess;
2515 325 : hDB = poParentDS->hDB;
2516 325 : m_eTF = poParentDS->m_eTF;
2517 325 : m_eDT = poParentDS->m_eDT;
2518 325 : m_nDTSize = poParentDS->m_nDTSize;
2519 325 : m_dfScale = poParentDS->m_dfScale;
2520 325 : m_dfOffset = poParentDS->m_dfOffset;
2521 325 : m_dfPrecision = poParentDS->m_dfPrecision;
2522 325 : m_usGPKGNull = poParentDS->m_usGPKGNull;
2523 325 : m_nQuality = poParentDS->m_nQuality;
2524 325 : m_nZLevel = poParentDS->m_nZLevel;
2525 325 : m_bDither = poParentDS->m_bDither;
2526 : /*m_nSRID = poParentDS->m_nSRID;*/
2527 325 : m_osWHERE = poParentDS->m_osWHERE;
2528 325 : SetDescription(CPLSPrintf("%s - zoom_level=%d",
2529 325 : poParentDS->GetDescription(), m_nZoomLevel));
2530 : }
2531 :
2532 2089 : for (int i = 1; i <= nBandCount; i++)
2533 : {
2534 : auto poNewBand = std::make_unique<GDALGeoPackageRasterBand>(
2535 1493 : this, nTileWidth, nTileHeight);
2536 1493 : if (poParentDS)
2537 : {
2538 761 : int bHasNoData = FALSE;
2539 : double dfNoDataValue =
2540 761 : poParentDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
2541 761 : if (bHasNoData)
2542 24 : poNewBand->SetNoDataValueInternal(dfNoDataValue);
2543 : }
2544 :
2545 1493 : if (nBandCount == 1 && m_poCTFromMetadata)
2546 : {
2547 3 : poNewBand->AssignColorTable(m_poCTFromMetadata.get());
2548 : }
2549 1493 : if (!m_osNodataValueFromMetadata.empty())
2550 : {
2551 8 : poNewBand->SetNoDataValueInternal(
2552 : CPLAtof(m_osNodataValueFromMetadata.c_str()));
2553 : }
2554 :
2555 1493 : SetBand(i, std::move(poNewBand));
2556 : }
2557 :
2558 596 : if (!ComputeTileAndPixelShifts())
2559 : {
2560 3 : CPLError(CE_Failure, CPLE_AppDefined,
2561 : "Overflow occurred in ComputeTileAndPixelShifts()");
2562 3 : return false;
2563 : }
2564 :
2565 593 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL", "IMAGE_STRUCTURE");
2566 593 : GDALPamDataset::SetMetadataItem("ZOOM_LEVEL",
2567 : CPLSPrintf("%d", m_nZoomLevel));
2568 :
2569 593 : return AllocCachedTiles();
2570 : }
2571 :
2572 : /************************************************************************/
2573 : /* GDALGPKGMBTilesGetTileFormat() */
2574 : /************************************************************************/
2575 :
2576 80 : GPKGTileFormat GDALGPKGMBTilesGetTileFormat(const char *pszTF)
2577 : {
2578 80 : GPKGTileFormat eTF = GPKG_TF_PNG_JPEG;
2579 80 : if (pszTF)
2580 : {
2581 80 : if (EQUAL(pszTF, "PNG_JPEG") || EQUAL(pszTF, "AUTO"))
2582 1 : eTF = GPKG_TF_PNG_JPEG;
2583 79 : else if (EQUAL(pszTF, "PNG"))
2584 46 : eTF = GPKG_TF_PNG;
2585 33 : else if (EQUAL(pszTF, "PNG8"))
2586 6 : eTF = GPKG_TF_PNG8;
2587 27 : else if (EQUAL(pszTF, "JPEG"))
2588 14 : eTF = GPKG_TF_JPEG;
2589 13 : else if (EQUAL(pszTF, "WEBP"))
2590 13 : eTF = GPKG_TF_WEBP;
2591 : else
2592 : {
2593 0 : CPLError(CE_Failure, CPLE_NotSupported,
2594 : "Unsuppoted value for TILE_FORMAT: %s", pszTF);
2595 : }
2596 : }
2597 80 : return eTF;
2598 : }
2599 :
2600 28 : const char *GDALMBTilesGetTileFormatName(GPKGTileFormat eTF)
2601 : {
2602 28 : switch (eTF)
2603 : {
2604 26 : case GPKG_TF_PNG:
2605 : case GPKG_TF_PNG8:
2606 26 : return "png";
2607 1 : case GPKG_TF_JPEG:
2608 1 : return "jpg";
2609 1 : case GPKG_TF_WEBP:
2610 1 : return "webp";
2611 0 : default:
2612 0 : break;
2613 : }
2614 0 : CPLError(CE_Failure, CPLE_NotSupported,
2615 : "Unsuppoted value for TILE_FORMAT: %d", static_cast<int>(eTF));
2616 0 : return nullptr;
2617 : }
2618 :
2619 : /************************************************************************/
2620 : /* OpenRaster() */
2621 : /************************************************************************/
2622 :
2623 273 : bool GDALGeoPackageDataset::OpenRaster(
2624 : const char *pszTableName, const char *pszIdentifier,
2625 : const char *pszDescription, int nSRSId, double dfMinX, double dfMinY,
2626 : double dfMaxX, double dfMaxY, const char *pszContentsMinX,
2627 : const char *pszContentsMinY, const char *pszContentsMaxX,
2628 : const char *pszContentsMaxY, bool bIsTiles, char **papszOpenOptionsIn)
2629 : {
2630 273 : if (dfMinX >= dfMaxX || dfMinY >= dfMaxY)
2631 0 : return false;
2632 :
2633 : // Config option just for debug, and for example force set to NaN
2634 : // which is not supported
2635 546 : CPLString osDataNull = CPLGetConfigOption("GPKG_NODATA", "");
2636 546 : CPLString osUom;
2637 546 : CPLString osFieldName;
2638 546 : CPLString osGridCellEncoding;
2639 273 : if (!bIsTiles)
2640 : {
2641 65 : char *pszSQL = sqlite3_mprintf(
2642 : "SELECT datatype, scale, offset, data_null, precision FROM "
2643 : "gpkg_2d_gridded_coverage_ancillary "
2644 : "WHERE tile_matrix_set_name = '%q' "
2645 : "AND datatype IN ('integer', 'float')"
2646 : "AND (scale > 0 OR scale IS NULL)",
2647 : pszTableName);
2648 65 : auto oResult = SQLQuery(hDB, pszSQL);
2649 65 : sqlite3_free(pszSQL);
2650 65 : if (!oResult || oResult->RowCount() == 0)
2651 : {
2652 0 : return false;
2653 : }
2654 65 : const char *pszDataType = oResult->GetValue(0, 0);
2655 65 : const char *pszScale = oResult->GetValue(1, 0);
2656 65 : const char *pszOffset = oResult->GetValue(2, 0);
2657 65 : const char *pszDataNull = oResult->GetValue(3, 0);
2658 65 : const char *pszPrecision = oResult->GetValue(4, 0);
2659 65 : if (pszDataNull)
2660 23 : osDataNull = pszDataNull;
2661 65 : if (EQUAL(pszDataType, "float"))
2662 : {
2663 6 : SetDataType(GDT_Float32);
2664 6 : m_eTF = GPKG_TF_TIFF_32BIT_FLOAT;
2665 : }
2666 : else
2667 : {
2668 59 : SetDataType(GDT_Float32);
2669 59 : m_eTF = GPKG_TF_PNG_16BIT;
2670 59 : const double dfScale = pszScale ? CPLAtof(pszScale) : 1.0;
2671 59 : const double dfOffset = pszOffset ? CPLAtof(pszOffset) : 0.0;
2672 59 : if (dfScale == 1.0)
2673 : {
2674 59 : if (dfOffset == 0.0)
2675 : {
2676 24 : SetDataType(GDT_UInt16);
2677 : }
2678 35 : else if (dfOffset == -32768.0)
2679 : {
2680 35 : SetDataType(GDT_Int16);
2681 : }
2682 : // coverity[tainted_data]
2683 0 : else if (dfOffset == -32767.0 && !osDataNull.empty() &&
2684 0 : CPLAtof(osDataNull) == 65535.0)
2685 : // Given that we will map the nodata value to -32768
2686 : {
2687 0 : SetDataType(GDT_Int16);
2688 : }
2689 : }
2690 :
2691 : // Check that the tile offset and scales are compatible of a
2692 : // final integer result.
2693 59 : if (m_eDT != GDT_Float32)
2694 : {
2695 : // coverity[tainted_data]
2696 59 : if (dfScale == 1.0 && dfOffset == -32768.0 &&
2697 118 : !osDataNull.empty() && CPLAtof(osDataNull) == 65535.0)
2698 : {
2699 : // Given that we will map the nodata value to -32768
2700 9 : pszSQL = sqlite3_mprintf(
2701 : "SELECT 1 FROM "
2702 : "gpkg_2d_gridded_tile_ancillary WHERE "
2703 : "tpudt_name = '%q' "
2704 : "AND NOT ((offset = 0.0 or offset = 1.0) "
2705 : "AND scale = 1.0) "
2706 : "LIMIT 1",
2707 : pszTableName);
2708 : }
2709 : else
2710 : {
2711 50 : pszSQL = sqlite3_mprintf(
2712 : "SELECT 1 FROM "
2713 : "gpkg_2d_gridded_tile_ancillary WHERE "
2714 : "tpudt_name = '%q' "
2715 : "AND NOT (offset = 0.0 AND scale = 1.0) LIMIT 1",
2716 : pszTableName);
2717 : }
2718 59 : sqlite3_stmt *hSQLStmt = nullptr;
2719 : int rc =
2720 59 : SQLPrepareWithError(hDB, pszSQL, -1, &hSQLStmt, nullptr);
2721 :
2722 59 : if (rc == SQLITE_OK)
2723 : {
2724 59 : if (sqlite3_step(hSQLStmt) == SQLITE_ROW)
2725 : {
2726 8 : SetDataType(GDT_Float32);
2727 : }
2728 59 : sqlite3_finalize(hSQLStmt);
2729 : }
2730 59 : sqlite3_free(pszSQL);
2731 : }
2732 :
2733 59 : SetGlobalOffsetScale(dfOffset, dfScale);
2734 : }
2735 65 : if (pszPrecision)
2736 65 : m_dfPrecision = CPLAtof(pszPrecision);
2737 :
2738 : // Request those columns in a separate query, so as to keep
2739 : // compatibility with pre OGC 17-066r1 databases
2740 : pszSQL =
2741 65 : sqlite3_mprintf("SELECT uom, field_name, grid_cell_encoding FROM "
2742 : "gpkg_2d_gridded_coverage_ancillary "
2743 : "WHERE tile_matrix_set_name = '%q'",
2744 : pszTableName);
2745 65 : CPLPushErrorHandler(CPLQuietErrorHandler);
2746 65 : oResult = SQLQuery(hDB, pszSQL);
2747 65 : CPLPopErrorHandler();
2748 65 : sqlite3_free(pszSQL);
2749 65 : if (oResult && oResult->RowCount() == 1)
2750 : {
2751 64 : const char *pszUom = oResult->GetValue(0, 0);
2752 64 : if (pszUom)
2753 2 : osUom = pszUom;
2754 64 : const char *pszFieldName = oResult->GetValue(1, 0);
2755 64 : if (pszFieldName)
2756 64 : osFieldName = pszFieldName;
2757 64 : const char *pszGridCellEncoding = oResult->GetValue(2, 0);
2758 64 : if (pszGridCellEncoding)
2759 64 : osGridCellEncoding = pszGridCellEncoding;
2760 : }
2761 : }
2762 :
2763 273 : m_bRecordInsertedInGPKGContent = true;
2764 273 : m_nSRID = nSRSId;
2765 :
2766 545 : if (auto poSRS = GetSpatialRef(nSRSId))
2767 : {
2768 272 : m_oSRS = *(poSRS.get());
2769 : }
2770 :
2771 : /* Various sanity checks added in the SELECT */
2772 273 : char *pszQuotedTableName = sqlite3_mprintf("'%q'", pszTableName);
2773 546 : CPLString osQuotedTableName(pszQuotedTableName);
2774 273 : sqlite3_free(pszQuotedTableName);
2775 273 : char *pszSQL = sqlite3_mprintf(
2776 : "SELECT zoom_level, pixel_x_size, pixel_y_size, tile_width, "
2777 : "tile_height, matrix_width, matrix_height "
2778 : "FROM gpkg_tile_matrix tm "
2779 : "WHERE table_name = %s "
2780 : // INT_MAX would be the theoretical maximum value to avoid
2781 : // overflows, but that's already a insane value.
2782 : "AND zoom_level >= 0 AND zoom_level <= 65536 "
2783 : "AND pixel_x_size > 0 AND pixel_y_size > 0 "
2784 : "AND tile_width >= 1 AND tile_width <= 65536 "
2785 : "AND tile_height >= 1 AND tile_height <= 65536 "
2786 : "AND matrix_width >= 1 AND matrix_height >= 1",
2787 : osQuotedTableName.c_str());
2788 546 : CPLString osSQL(pszSQL);
2789 : const char *pszZoomLevel =
2790 273 : CSLFetchNameValue(papszOpenOptionsIn, "ZOOM_LEVEL");
2791 273 : if (pszZoomLevel)
2792 : {
2793 5 : if (GetUpdate())
2794 1 : osSQL += CPLSPrintf(" AND zoom_level <= %d", atoi(pszZoomLevel));
2795 : else
2796 : {
2797 : osSQL += CPLSPrintf(
2798 : " AND (zoom_level = %d OR (zoom_level < %d AND EXISTS(SELECT 1 "
2799 : "FROM %s WHERE zoom_level = tm.zoom_level LIMIT 1)))",
2800 : atoi(pszZoomLevel), atoi(pszZoomLevel),
2801 4 : osQuotedTableName.c_str());
2802 : }
2803 : }
2804 : // In read-only mode, only lists non empty zoom levels
2805 268 : else if (!GetUpdate())
2806 : {
2807 : osSQL += CPLSPrintf(" AND EXISTS(SELECT 1 FROM %s WHERE zoom_level = "
2808 : "tm.zoom_level LIMIT 1)",
2809 214 : osQuotedTableName.c_str());
2810 : }
2811 : else // if( pszZoomLevel == nullptr )
2812 : {
2813 : osSQL +=
2814 : CPLSPrintf(" AND zoom_level <= (SELECT MAX(zoom_level) FROM %s)",
2815 54 : osQuotedTableName.c_str());
2816 : }
2817 273 : osSQL += " ORDER BY zoom_level DESC";
2818 : // To avoid denial of service.
2819 273 : osSQL += " LIMIT 100";
2820 :
2821 546 : auto oResult = SQLQuery(hDB, osSQL.c_str());
2822 273 : if (!oResult || oResult->RowCount() == 0)
2823 : {
2824 114 : if (oResult && oResult->RowCount() == 0 && pszContentsMinX != nullptr &&
2825 114 : pszContentsMinY != nullptr && pszContentsMaxX != nullptr &&
2826 : pszContentsMaxY != nullptr)
2827 : {
2828 56 : osSQL = pszSQL;
2829 56 : osSQL += " ORDER BY zoom_level DESC";
2830 56 : if (!GetUpdate())
2831 30 : osSQL += " LIMIT 1";
2832 56 : oResult = SQLQuery(hDB, osSQL.c_str());
2833 : }
2834 57 : if (!oResult || oResult->RowCount() == 0)
2835 : {
2836 1 : if (oResult && pszZoomLevel != nullptr)
2837 : {
2838 1 : CPLError(CE_Failure, CPLE_AppDefined,
2839 : "ZOOM_LEVEL is probably not valid w.r.t tile "
2840 : "table content");
2841 : }
2842 1 : sqlite3_free(pszSQL);
2843 1 : return false;
2844 : }
2845 : }
2846 272 : sqlite3_free(pszSQL);
2847 :
2848 : // If USE_TILE_EXTENT=YES, then query the tile table to find which tiles
2849 : // actually exist.
2850 :
2851 : // CAUTION: Do not move those variables inside inner scope !
2852 544 : CPLString osContentsMinX, osContentsMinY, osContentsMaxX, osContentsMaxY;
2853 :
2854 272 : if (CPLTestBool(
2855 : CSLFetchNameValueDef(papszOpenOptionsIn, "USE_TILE_EXTENT", "NO")))
2856 : {
2857 13 : pszSQL = sqlite3_mprintf(
2858 : "SELECT MIN(tile_column), MIN(tile_row), MAX(tile_column), "
2859 : "MAX(tile_row) FROM \"%w\" WHERE zoom_level = %d",
2860 : pszTableName, atoi(oResult->GetValue(0, 0)));
2861 13 : auto oResult2 = SQLQuery(hDB, pszSQL);
2862 13 : sqlite3_free(pszSQL);
2863 26 : if (!oResult2 || oResult2->RowCount() == 0 ||
2864 : // Can happen if table is empty
2865 38 : oResult2->GetValue(0, 0) == nullptr ||
2866 : // Can happen if table has no NOT NULL constraint on tile_row
2867 : // and that all tile_row are NULL
2868 12 : oResult2->GetValue(1, 0) == nullptr)
2869 : {
2870 1 : return false;
2871 : }
2872 12 : const double dfPixelXSize = CPLAtof(oResult->GetValue(1, 0));
2873 12 : const double dfPixelYSize = CPLAtof(oResult->GetValue(2, 0));
2874 12 : const int nTileWidth = atoi(oResult->GetValue(3, 0));
2875 12 : const int nTileHeight = atoi(oResult->GetValue(4, 0));
2876 : osContentsMinX =
2877 24 : CPLSPrintf("%.17g", dfMinX + dfPixelXSize * nTileWidth *
2878 12 : atoi(oResult2->GetValue(0, 0)));
2879 : osContentsMaxY =
2880 24 : CPLSPrintf("%.17g", dfMaxY - dfPixelYSize * nTileHeight *
2881 12 : atoi(oResult2->GetValue(1, 0)));
2882 : osContentsMaxX = CPLSPrintf(
2883 24 : "%.17g", dfMinX + dfPixelXSize * nTileWidth *
2884 12 : (1 + atoi(oResult2->GetValue(2, 0))));
2885 : osContentsMinY = CPLSPrintf(
2886 24 : "%.17g", dfMaxY - dfPixelYSize * nTileHeight *
2887 12 : (1 + atoi(oResult2->GetValue(3, 0))));
2888 12 : pszContentsMinX = osContentsMinX.c_str();
2889 12 : pszContentsMinY = osContentsMinY.c_str();
2890 12 : pszContentsMaxX = osContentsMaxX.c_str();
2891 12 : pszContentsMaxY = osContentsMaxY.c_str();
2892 : }
2893 :
2894 271 : if (!InitRaster(nullptr, pszTableName, dfMinX, dfMinY, dfMaxX, dfMaxY,
2895 : pszContentsMinX, pszContentsMinY, pszContentsMaxX,
2896 271 : pszContentsMaxY, papszOpenOptionsIn, *oResult, 0))
2897 : {
2898 3 : return false;
2899 : }
2900 :
2901 268 : auto poBand = cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(1));
2902 268 : if (!osDataNull.empty())
2903 : {
2904 23 : double dfGPKGNoDataValue = CPLAtof(osDataNull);
2905 23 : if (m_eTF == GPKG_TF_PNG_16BIT)
2906 : {
2907 21 : if (dfGPKGNoDataValue < 0 || dfGPKGNoDataValue > 65535 ||
2908 21 : static_cast<int>(dfGPKGNoDataValue) != dfGPKGNoDataValue)
2909 : {
2910 0 : CPLError(CE_Warning, CPLE_AppDefined,
2911 : "data_null = %.17g is invalid for integer data_type",
2912 : dfGPKGNoDataValue);
2913 : }
2914 : else
2915 : {
2916 21 : m_usGPKGNull = static_cast<GUInt16>(dfGPKGNoDataValue);
2917 21 : if (m_eDT == GDT_Int16 && m_usGPKGNull > 32767)
2918 9 : dfGPKGNoDataValue = -32768.0;
2919 12 : else if (m_eDT == GDT_Float32)
2920 : {
2921 : // Pick a value that is unlikely to be hit with offset &
2922 : // scale
2923 4 : dfGPKGNoDataValue = -std::numeric_limits<float>::max();
2924 : }
2925 21 : poBand->SetNoDataValueInternal(dfGPKGNoDataValue);
2926 : }
2927 : }
2928 : else
2929 : {
2930 2 : poBand->SetNoDataValueInternal(
2931 2 : static_cast<float>(dfGPKGNoDataValue));
2932 : }
2933 : }
2934 268 : if (!osUom.empty())
2935 : {
2936 2 : poBand->SetUnitTypeInternal(osUom);
2937 : }
2938 268 : if (!osFieldName.empty())
2939 : {
2940 64 : GetRasterBand(1)->GDALRasterBand::SetDescription(osFieldName);
2941 : }
2942 268 : if (!osGridCellEncoding.empty())
2943 : {
2944 64 : if (osGridCellEncoding == "grid-value-is-center")
2945 : {
2946 15 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2947 : GDALMD_AOP_POINT);
2948 : }
2949 49 : else if (osGridCellEncoding == "grid-value-is-area")
2950 : {
2951 45 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2952 : GDALMD_AOP_AREA);
2953 : }
2954 : else
2955 : {
2956 4 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2957 : GDALMD_AOP_POINT);
2958 4 : GetRasterBand(1)->GDALRasterBand::SetMetadataItem(
2959 : "GRID_CELL_ENCODING", osGridCellEncoding);
2960 : }
2961 : }
2962 :
2963 268 : CheckUnknownExtensions(true);
2964 :
2965 : // Do this after CheckUnknownExtensions() so that m_eTF is set to
2966 : // GPKG_TF_WEBP if the table already registers the gpkg_webp extension
2967 268 : const char *pszTF = CSLFetchNameValue(papszOpenOptionsIn, "TILE_FORMAT");
2968 268 : if (pszTF)
2969 : {
2970 4 : if (!GetUpdate())
2971 : {
2972 0 : CPLError(CE_Warning, CPLE_AppDefined,
2973 : "TILE_FORMAT open option ignored in read-only mode");
2974 : }
2975 4 : else if (m_eTF == GPKG_TF_PNG_16BIT ||
2976 4 : m_eTF == GPKG_TF_TIFF_32BIT_FLOAT)
2977 : {
2978 0 : CPLError(CE_Warning, CPLE_AppDefined,
2979 : "TILE_FORMAT open option ignored on gridded coverages");
2980 : }
2981 : else
2982 : {
2983 4 : GPKGTileFormat eTF = GDALGPKGMBTilesGetTileFormat(pszTF);
2984 4 : if (eTF == GPKG_TF_WEBP && m_eTF != eTF)
2985 : {
2986 1 : if (!RegisterWebPExtension())
2987 0 : return false;
2988 : }
2989 4 : m_eTF = eTF;
2990 : }
2991 : }
2992 :
2993 268 : ParseCompressionOptions(papszOpenOptionsIn);
2994 :
2995 268 : m_osWHERE = CSLFetchNameValueDef(papszOpenOptionsIn, "WHERE", "");
2996 :
2997 : // Set metadata
2998 268 : if (pszIdentifier && pszIdentifier[0])
2999 268 : GDALPamDataset::SetMetadataItem("IDENTIFIER", pszIdentifier);
3000 268 : if (pszDescription && pszDescription[0])
3001 21 : GDALPamDataset::SetMetadataItem("DESCRIPTION", pszDescription);
3002 :
3003 : // Add overviews
3004 353 : for (int i = 1; i < oResult->RowCount(); i++)
3005 : {
3006 86 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3007 86 : poOvrDS->ShareLockWithParentDataset(this);
3008 172 : if (!poOvrDS->InitRaster(this, pszTableName, dfMinX, dfMinY, dfMaxX,
3009 : dfMaxY, pszContentsMinX, pszContentsMinY,
3010 : pszContentsMaxX, pszContentsMaxY,
3011 86 : papszOpenOptionsIn, *oResult, i))
3012 : {
3013 0 : break;
3014 : }
3015 :
3016 : int nTileWidth, nTileHeight;
3017 86 : poOvrDS->GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3018 : const bool bStop =
3019 87 : (eAccess == GA_ReadOnly && poOvrDS->GetRasterXSize() < nTileWidth &&
3020 1 : poOvrDS->GetRasterYSize() < nTileHeight);
3021 :
3022 86 : m_apoOverviewDS.push_back(std::move(poOvrDS));
3023 :
3024 86 : if (bStop)
3025 : {
3026 1 : break;
3027 : }
3028 : }
3029 :
3030 268 : return true;
3031 : }
3032 :
3033 : /************************************************************************/
3034 : /* GetSpatialRef() */
3035 : /************************************************************************/
3036 :
3037 17 : const OGRSpatialReference *GDALGeoPackageDataset::GetSpatialRef() const
3038 : {
3039 17 : return m_oSRS.IsEmpty() ? nullptr : &m_oSRS;
3040 : }
3041 :
3042 : /************************************************************************/
3043 : /* SetSpatialRef() */
3044 : /************************************************************************/
3045 :
3046 150 : CPLErr GDALGeoPackageDataset::SetSpatialRef(const OGRSpatialReference *poSRS)
3047 : {
3048 150 : if (nBands == 0)
3049 : {
3050 1 : CPLError(CE_Failure, CPLE_NotSupported,
3051 : "SetProjection() not supported on a dataset with 0 band");
3052 1 : return CE_Failure;
3053 : }
3054 149 : if (eAccess != GA_Update)
3055 : {
3056 1 : CPLError(CE_Failure, CPLE_NotSupported,
3057 : "SetProjection() not supported on read-only dataset");
3058 1 : return CE_Failure;
3059 : }
3060 :
3061 148 : const int nSRID = GetSrsId(poSRS);
3062 296 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3063 148 : if (poTS && nSRID != poTS->nEPSGCode)
3064 : {
3065 2 : CPLError(CE_Failure, CPLE_NotSupported,
3066 : "Projection should be EPSG:%d for %s tiling scheme",
3067 1 : poTS->nEPSGCode, m_osTilingScheme.c_str());
3068 1 : return CE_Failure;
3069 : }
3070 :
3071 147 : m_nSRID = nSRID;
3072 147 : m_oSRS.Clear();
3073 147 : if (poSRS)
3074 146 : m_oSRS = *poSRS;
3075 :
3076 147 : if (m_bRecordInsertedInGPKGContent)
3077 : {
3078 119 : char *pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET srs_id = %d "
3079 : "WHERE lower(table_name) = lower('%q')",
3080 : m_nSRID, m_osRasterTable.c_str());
3081 119 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3082 119 : sqlite3_free(pszSQL);
3083 119 : if (eErr != OGRERR_NONE)
3084 0 : return CE_Failure;
3085 :
3086 119 : pszSQL = sqlite3_mprintf("UPDATE gpkg_tile_matrix_set SET srs_id = %d "
3087 : "WHERE lower(table_name) = lower('%q')",
3088 : m_nSRID, m_osRasterTable.c_str());
3089 119 : eErr = SQLCommand(hDB, pszSQL);
3090 119 : sqlite3_free(pszSQL);
3091 119 : if (eErr != OGRERR_NONE)
3092 0 : return CE_Failure;
3093 : }
3094 :
3095 147 : return CE_None;
3096 : }
3097 :
3098 : /************************************************************************/
3099 : /* GetGeoTransform() */
3100 : /************************************************************************/
3101 :
3102 33 : CPLErr GDALGeoPackageDataset::GetGeoTransform(GDALGeoTransform >) const
3103 : {
3104 33 : gt = m_gt;
3105 33 : if (!m_bGeoTransformValid)
3106 2 : return CE_Failure;
3107 : else
3108 31 : return CE_None;
3109 : }
3110 :
3111 : /************************************************************************/
3112 : /* SetGeoTransform() */
3113 : /************************************************************************/
3114 :
3115 190 : CPLErr GDALGeoPackageDataset::SetGeoTransform(const GDALGeoTransform >)
3116 : {
3117 190 : if (nBands == 0)
3118 : {
3119 2 : CPLError(CE_Failure, CPLE_NotSupported,
3120 : "SetGeoTransform() not supported on a dataset with 0 band");
3121 2 : return CE_Failure;
3122 : }
3123 188 : if (eAccess != GA_Update)
3124 : {
3125 1 : CPLError(CE_Failure, CPLE_NotSupported,
3126 : "SetGeoTransform() not supported on read-only dataset");
3127 1 : return CE_Failure;
3128 : }
3129 187 : if (m_bGeoTransformValid)
3130 : {
3131 1 : CPLError(CE_Failure, CPLE_NotSupported,
3132 : "Cannot modify geotransform once set");
3133 1 : return CE_Failure;
3134 : }
3135 186 : if (gt[2] != 0.0 || gt[4] != 0 || gt[5] > 0.0)
3136 : {
3137 0 : CPLError(CE_Failure, CPLE_NotSupported,
3138 : "Only north-up non rotated geotransform supported");
3139 0 : return CE_Failure;
3140 : }
3141 :
3142 186 : if (m_nZoomLevel < 0)
3143 : {
3144 185 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3145 185 : if (poTS)
3146 : {
3147 20 : double dfPixelXSizeZoomLevel0 = poTS->dfPixelXSizeZoomLevel0;
3148 20 : double dfPixelYSizeZoomLevel0 = poTS->dfPixelYSizeZoomLevel0;
3149 199 : for (m_nZoomLevel = 0; m_nZoomLevel < MAX_ZOOM_LEVEL;
3150 179 : m_nZoomLevel++)
3151 : {
3152 198 : double dfExpectedPixelXSize =
3153 198 : dfPixelXSizeZoomLevel0 / (1 << m_nZoomLevel);
3154 198 : double dfExpectedPixelYSize =
3155 198 : dfPixelYSizeZoomLevel0 / (1 << m_nZoomLevel);
3156 198 : if (fabs(gt[1] - dfExpectedPixelXSize) <
3157 217 : 1e-8 * dfExpectedPixelXSize &&
3158 19 : fabs(fabs(gt[5]) - dfExpectedPixelYSize) <
3159 19 : 1e-8 * dfExpectedPixelYSize)
3160 : {
3161 19 : break;
3162 : }
3163 : }
3164 20 : if (m_nZoomLevel == MAX_ZOOM_LEVEL)
3165 : {
3166 1 : m_nZoomLevel = -1;
3167 1 : CPLError(
3168 : CE_Failure, CPLE_NotSupported,
3169 : "Could not find an appropriate zoom level of %s tiling "
3170 : "scheme that matches raster pixel size",
3171 : m_osTilingScheme.c_str());
3172 1 : return CE_Failure;
3173 : }
3174 : }
3175 : }
3176 :
3177 185 : m_gt = gt;
3178 185 : m_bGeoTransformValid = true;
3179 :
3180 185 : return FinalizeRasterRegistration();
3181 : }
3182 :
3183 : /************************************************************************/
3184 : /* FinalizeRasterRegistration() */
3185 : /************************************************************************/
3186 :
3187 185 : CPLErr GDALGeoPackageDataset::FinalizeRasterRegistration()
3188 : {
3189 : OGRErr eErr;
3190 :
3191 185 : m_dfTMSMinX = m_gt[0];
3192 185 : m_dfTMSMaxY = m_gt[3];
3193 :
3194 : int nTileWidth, nTileHeight;
3195 185 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3196 :
3197 185 : if (m_nZoomLevel < 0)
3198 : {
3199 165 : m_nZoomLevel = 0;
3200 239 : while ((nRasterXSize >> m_nZoomLevel) > nTileWidth ||
3201 165 : (nRasterYSize >> m_nZoomLevel) > nTileHeight)
3202 74 : m_nZoomLevel++;
3203 : }
3204 :
3205 185 : double dfPixelXSizeZoomLevel0 = m_gt[1] * (1 << m_nZoomLevel);
3206 185 : double dfPixelYSizeZoomLevel0 = fabs(m_gt[5]) * (1 << m_nZoomLevel);
3207 : int nTileXCountZoomLevel0 =
3208 185 : std::max(1, DIV_ROUND_UP((nRasterXSize >> m_nZoomLevel), nTileWidth));
3209 : int nTileYCountZoomLevel0 =
3210 185 : std::max(1, DIV_ROUND_UP((nRasterYSize >> m_nZoomLevel), nTileHeight));
3211 :
3212 370 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3213 185 : if (poTS)
3214 : {
3215 20 : CPLAssert(m_nZoomLevel >= 0);
3216 20 : m_dfTMSMinX = poTS->dfMinX;
3217 20 : m_dfTMSMaxY = poTS->dfMaxY;
3218 20 : dfPixelXSizeZoomLevel0 = poTS->dfPixelXSizeZoomLevel0;
3219 20 : dfPixelYSizeZoomLevel0 = poTS->dfPixelYSizeZoomLevel0;
3220 20 : nTileXCountZoomLevel0 = poTS->nTileXCountZoomLevel0;
3221 20 : nTileYCountZoomLevel0 = poTS->nTileYCountZoomLevel0;
3222 : }
3223 185 : m_nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << m_nZoomLevel);
3224 185 : m_nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << m_nZoomLevel);
3225 :
3226 185 : if (!ComputeTileAndPixelShifts())
3227 : {
3228 1 : CPLError(CE_Failure, CPLE_AppDefined,
3229 : "Overflow occurred in ComputeTileAndPixelShifts()");
3230 1 : return CE_Failure;
3231 : }
3232 :
3233 184 : if (!AllocCachedTiles())
3234 : {
3235 0 : return CE_Failure;
3236 : }
3237 :
3238 184 : double dfGDALMinX = m_gt[0];
3239 184 : double dfGDALMinY = m_gt[3] + nRasterYSize * m_gt[5];
3240 184 : double dfGDALMaxX = m_gt[0] + nRasterXSize * m_gt[1];
3241 184 : double dfGDALMaxY = m_gt[3];
3242 :
3243 184 : if (SoftStartTransaction() != OGRERR_NONE)
3244 0 : return CE_Failure;
3245 :
3246 : const char *pszCurrentDate =
3247 184 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3248 : CPLString osInsertGpkgContentsFormatting(
3249 : "INSERT INTO gpkg_contents "
3250 : "(table_name,data_type,identifier,description,min_x,min_y,max_x,max_y,"
3251 : "last_change,srs_id) VALUES "
3252 368 : "('%q','%q','%q','%q',%.17g,%.17g,%.17g,%.17g,");
3253 184 : osInsertGpkgContentsFormatting += (pszCurrentDate) ? "'%q'" : "%s";
3254 184 : osInsertGpkgContentsFormatting += ",%d)";
3255 368 : char *pszSQL = sqlite3_mprintf(
3256 : osInsertGpkgContentsFormatting.c_str(), m_osRasterTable.c_str(),
3257 184 : (m_eDT == GDT_Byte) ? "tiles" : "2d-gridded-coverage",
3258 : m_osIdentifier.c_str(), m_osDescription.c_str(), dfGDALMinX, dfGDALMinY,
3259 : dfGDALMaxX, dfGDALMaxY,
3260 : pszCurrentDate ? pszCurrentDate
3261 : : "strftime('%Y-%m-%dT%H:%M:%fZ','now')",
3262 : m_nSRID);
3263 :
3264 184 : eErr = SQLCommand(hDB, pszSQL);
3265 184 : sqlite3_free(pszSQL);
3266 184 : if (eErr != OGRERR_NONE)
3267 : {
3268 8 : SoftRollbackTransaction();
3269 8 : return CE_Failure;
3270 : }
3271 :
3272 176 : double dfTMSMaxX = m_dfTMSMinX + nTileXCountZoomLevel0 * nTileWidth *
3273 : dfPixelXSizeZoomLevel0;
3274 176 : double dfTMSMinY = m_dfTMSMaxY - nTileYCountZoomLevel0 * nTileHeight *
3275 : dfPixelYSizeZoomLevel0;
3276 :
3277 : pszSQL =
3278 176 : sqlite3_mprintf("INSERT INTO gpkg_tile_matrix_set "
3279 : "(table_name,srs_id,min_x,min_y,max_x,max_y) VALUES "
3280 : "('%q',%d,%.17g,%.17g,%.17g,%.17g)",
3281 : m_osRasterTable.c_str(), m_nSRID, m_dfTMSMinX,
3282 : dfTMSMinY, dfTMSMaxX, m_dfTMSMaxY);
3283 176 : eErr = SQLCommand(hDB, pszSQL);
3284 176 : sqlite3_free(pszSQL);
3285 176 : if (eErr != OGRERR_NONE)
3286 : {
3287 0 : SoftRollbackTransaction();
3288 0 : return CE_Failure;
3289 : }
3290 :
3291 176 : m_apoOverviewDS.resize(m_nZoomLevel);
3292 :
3293 587 : for (int i = 0; i <= m_nZoomLevel; i++)
3294 : {
3295 411 : double dfPixelXSizeZoomLevel = 0.0;
3296 411 : double dfPixelYSizeZoomLevel = 0.0;
3297 411 : int nTileMatrixWidth = 0;
3298 411 : int nTileMatrixHeight = 0;
3299 411 : if (EQUAL(m_osTilingScheme, "CUSTOM"))
3300 : {
3301 230 : dfPixelXSizeZoomLevel = m_gt[1] * (1 << (m_nZoomLevel - i));
3302 230 : dfPixelYSizeZoomLevel = fabs(m_gt[5]) * (1 << (m_nZoomLevel - i));
3303 : }
3304 : else
3305 : {
3306 181 : dfPixelXSizeZoomLevel = dfPixelXSizeZoomLevel0 / (1 << i);
3307 181 : dfPixelYSizeZoomLevel = dfPixelYSizeZoomLevel0 / (1 << i);
3308 : }
3309 411 : nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << i);
3310 411 : nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << i);
3311 :
3312 411 : pszSQL = sqlite3_mprintf(
3313 : "INSERT INTO gpkg_tile_matrix "
3314 : "(table_name,zoom_level,matrix_width,matrix_height,tile_width,tile_"
3315 : "height,pixel_x_size,pixel_y_size) VALUES "
3316 : "('%q',%d,%d,%d,%d,%d,%.17g,%.17g)",
3317 : m_osRasterTable.c_str(), i, nTileMatrixWidth, nTileMatrixHeight,
3318 : nTileWidth, nTileHeight, dfPixelXSizeZoomLevel,
3319 : dfPixelYSizeZoomLevel);
3320 411 : eErr = SQLCommand(hDB, pszSQL);
3321 411 : sqlite3_free(pszSQL);
3322 411 : if (eErr != OGRERR_NONE)
3323 : {
3324 0 : SoftRollbackTransaction();
3325 0 : return CE_Failure;
3326 : }
3327 :
3328 411 : if (i < m_nZoomLevel)
3329 : {
3330 470 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3331 235 : poOvrDS->ShareLockWithParentDataset(this);
3332 235 : poOvrDS->InitRaster(this, m_osRasterTable, i, nBands, m_dfTMSMinX,
3333 : m_dfTMSMaxY, dfPixelXSizeZoomLevel,
3334 : dfPixelYSizeZoomLevel, nTileWidth, nTileHeight,
3335 : nTileMatrixWidth, nTileMatrixHeight, dfGDALMinX,
3336 : dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
3337 :
3338 235 : m_apoOverviewDS[m_nZoomLevel - 1 - i] = std::move(poOvrDS);
3339 : }
3340 : }
3341 :
3342 176 : if (!m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.empty())
3343 : {
3344 40 : eErr = SQLCommand(
3345 : hDB, m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.c_str());
3346 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.clear();
3347 40 : if (eErr != OGRERR_NONE)
3348 : {
3349 0 : SoftRollbackTransaction();
3350 0 : return CE_Failure;
3351 : }
3352 : }
3353 :
3354 176 : SoftCommitTransaction();
3355 :
3356 176 : m_apoOverviewDS.resize(m_nZoomLevel);
3357 176 : m_bRecordInsertedInGPKGContent = true;
3358 :
3359 176 : return CE_None;
3360 : }
3361 :
3362 : /************************************************************************/
3363 : /* FlushCache() */
3364 : /************************************************************************/
3365 :
3366 2611 : CPLErr GDALGeoPackageDataset::FlushCache(bool bAtClosing)
3367 : {
3368 2611 : if (m_bInFlushCache)
3369 0 : return CE_None;
3370 :
3371 2611 : if (eAccess == GA_Update || !m_bMetadataDirty)
3372 : {
3373 2608 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3374 : }
3375 :
3376 2611 : if (m_bRemoveOGREmptyTable)
3377 : {
3378 656 : m_bRemoveOGREmptyTable = false;
3379 656 : RemoveOGREmptyTable();
3380 : }
3381 :
3382 2611 : CPLErr eErr = IFlushCacheWithErrCode(bAtClosing);
3383 :
3384 2611 : FlushMetadata();
3385 :
3386 2611 : if (eAccess == GA_Update || !m_bMetadataDirty)
3387 : {
3388 : // Needed again as above IFlushCacheWithErrCode()
3389 : // may have call GDALGeoPackageRasterBand::InvalidateStatistics()
3390 : // which modifies metadata
3391 2611 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3392 : }
3393 :
3394 2611 : return eErr;
3395 : }
3396 :
3397 4842 : CPLErr GDALGeoPackageDataset::IFlushCacheWithErrCode(bool bAtClosing)
3398 :
3399 : {
3400 4842 : if (m_bInFlushCache)
3401 2164 : return CE_None;
3402 2678 : m_bInFlushCache = true;
3403 2678 : if (hDB && eAccess == GA_ReadOnly && bAtClosing)
3404 : {
3405 : // Clean-up metadata that will go to PAM by removing items that
3406 : // are reconstructed.
3407 1950 : CPLStringList aosMD;
3408 1595 : for (CSLConstList papszIter = GetMetadata(); papszIter && *papszIter;
3409 : ++papszIter)
3410 : {
3411 620 : char *pszKey = nullptr;
3412 620 : CPLParseNameValue(*papszIter, &pszKey);
3413 1240 : if (pszKey &&
3414 620 : (EQUAL(pszKey, "AREA_OR_POINT") ||
3415 475 : EQUAL(pszKey, "IDENTIFIER") || EQUAL(pszKey, "DESCRIPTION") ||
3416 255 : EQUAL(pszKey, "ZOOM_LEVEL") ||
3417 650 : STARTS_WITH(pszKey, "GPKG_METADATA_ITEM_")))
3418 : {
3419 : // remove it
3420 : }
3421 : else
3422 : {
3423 30 : aosMD.AddString(*papszIter);
3424 : }
3425 620 : CPLFree(pszKey);
3426 : }
3427 975 : oMDMD.SetMetadata(aosMD.List());
3428 975 : oMDMD.SetMetadata(nullptr, "IMAGE_STRUCTURE");
3429 :
3430 1950 : GDALPamDataset::FlushCache(bAtClosing);
3431 : }
3432 : else
3433 : {
3434 : // Short circuit GDALPamDataset to avoid serialization to .aux.xml
3435 1703 : GDALDataset::FlushCache(bAtClosing);
3436 : }
3437 :
3438 6618 : for (auto &poLayer : m_apoLayers)
3439 : {
3440 3940 : poLayer->RunDeferredCreationIfNecessary();
3441 3940 : poLayer->CreateSpatialIndexIfNecessary();
3442 : }
3443 :
3444 : // Update raster table last_change column in gpkg_contents if needed
3445 2678 : if (m_bHasModifiedTiles)
3446 : {
3447 536 : for (int i = 1; i <= nBands; ++i)
3448 : {
3449 : auto poBand =
3450 357 : cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(i));
3451 357 : if (!poBand->HaveStatsMetadataBeenSetInThisSession())
3452 : {
3453 344 : poBand->InvalidateStatistics();
3454 344 : if (psPam && psPam->pszPamFilename)
3455 344 : VSIUnlink(psPam->pszPamFilename);
3456 : }
3457 : }
3458 :
3459 179 : UpdateGpkgContentsLastChange(m_osRasterTable);
3460 :
3461 179 : m_bHasModifiedTiles = false;
3462 : }
3463 :
3464 2678 : CPLErr eErr = FlushTiles();
3465 :
3466 2678 : m_bInFlushCache = false;
3467 2678 : return eErr;
3468 : }
3469 :
3470 : /************************************************************************/
3471 : /* GetCurrentDateEscapedSQL() */
3472 : /************************************************************************/
3473 :
3474 1901 : std::string GDALGeoPackageDataset::GetCurrentDateEscapedSQL()
3475 : {
3476 : const char *pszCurrentDate =
3477 1901 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3478 1901 : if (pszCurrentDate)
3479 10 : return '\'' + SQLEscapeLiteral(pszCurrentDate) + '\'';
3480 1896 : return "strftime('%Y-%m-%dT%H:%M:%fZ','now')";
3481 : }
3482 :
3483 : /************************************************************************/
3484 : /* UpdateGpkgContentsLastChange() */
3485 : /************************************************************************/
3486 :
3487 : OGRErr
3488 820 : GDALGeoPackageDataset::UpdateGpkgContentsLastChange(const char *pszTableName)
3489 : {
3490 : char *pszSQL =
3491 820 : sqlite3_mprintf("UPDATE gpkg_contents SET "
3492 : "last_change = %s "
3493 : "WHERE lower(table_name) = lower('%q')",
3494 1640 : GetCurrentDateEscapedSQL().c_str(), pszTableName);
3495 820 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3496 820 : sqlite3_free(pszSQL);
3497 820 : return eErr;
3498 : }
3499 :
3500 : /************************************************************************/
3501 : /* IBuildOverviews() */
3502 : /************************************************************************/
3503 :
3504 20 : CPLErr GDALGeoPackageDataset::IBuildOverviews(
3505 : const char *pszResampling, int nOverviews, const int *panOverviewList,
3506 : int nBandsIn, const int * /*panBandList*/, GDALProgressFunc pfnProgress,
3507 : void *pProgressData, CSLConstList papszOptions)
3508 : {
3509 20 : if (GetAccess() != GA_Update)
3510 : {
3511 1 : CPLError(CE_Failure, CPLE_NotSupported,
3512 : "Overview building not supported on a database opened in "
3513 : "read-only mode");
3514 1 : return CE_Failure;
3515 : }
3516 19 : if (m_poParentDS != nullptr)
3517 : {
3518 1 : CPLError(CE_Failure, CPLE_NotSupported,
3519 : "Overview building not supported on overview dataset");
3520 1 : return CE_Failure;
3521 : }
3522 :
3523 18 : if (nOverviews == 0)
3524 : {
3525 5 : for (auto &poOvrDS : m_apoOverviewDS)
3526 3 : poOvrDS->FlushCache(false);
3527 :
3528 2 : SoftStartTransaction();
3529 :
3530 2 : if (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT)
3531 : {
3532 1 : char *pszSQL = sqlite3_mprintf(
3533 : "DELETE FROM gpkg_2d_gridded_tile_ancillary WHERE id IN "
3534 : "(SELECT y.id FROM \"%w\" x "
3535 : "JOIN gpkg_2d_gridded_tile_ancillary y "
3536 : "ON x.id = y.tpudt_id AND y.tpudt_name = '%q' AND "
3537 : "x.zoom_level < %d)",
3538 : m_osRasterTable.c_str(), m_osRasterTable.c_str(), m_nZoomLevel);
3539 1 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3540 1 : sqlite3_free(pszSQL);
3541 1 : if (eErr != OGRERR_NONE)
3542 : {
3543 0 : SoftRollbackTransaction();
3544 0 : return CE_Failure;
3545 : }
3546 : }
3547 :
3548 : char *pszSQL =
3549 2 : sqlite3_mprintf("DELETE FROM \"%w\" WHERE zoom_level < %d",
3550 : m_osRasterTable.c_str(), m_nZoomLevel);
3551 2 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3552 2 : sqlite3_free(pszSQL);
3553 2 : if (eErr != OGRERR_NONE)
3554 : {
3555 0 : SoftRollbackTransaction();
3556 0 : return CE_Failure;
3557 : }
3558 :
3559 2 : SoftCommitTransaction();
3560 :
3561 2 : return CE_None;
3562 : }
3563 :
3564 16 : if (nBandsIn != nBands)
3565 : {
3566 0 : CPLError(CE_Failure, CPLE_NotSupported,
3567 : "Generation of overviews in GPKG only"
3568 : "supported when operating on all bands.");
3569 0 : return CE_Failure;
3570 : }
3571 :
3572 16 : if (m_apoOverviewDS.empty())
3573 : {
3574 0 : CPLError(CE_Failure, CPLE_AppDefined,
3575 : "Image too small to support overviews");
3576 0 : return CE_Failure;
3577 : }
3578 :
3579 16 : FlushCache(false);
3580 60 : for (int i = 0; i < nOverviews; i++)
3581 : {
3582 47 : if (panOverviewList[i] < 2)
3583 : {
3584 1 : CPLError(CE_Failure, CPLE_IllegalArg,
3585 : "Overview factor must be >= 2");
3586 1 : return CE_Failure;
3587 : }
3588 :
3589 46 : bool bFound = false;
3590 46 : int jCandidate = -1;
3591 46 : int nMaxOvFactor = 0;
3592 196 : for (int j = 0; j < static_cast<int>(m_apoOverviewDS.size()); j++)
3593 : {
3594 190 : const auto poODS = m_apoOverviewDS[j].get();
3595 : const int nOvFactor =
3596 190 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3597 :
3598 190 : nMaxOvFactor = nOvFactor;
3599 :
3600 190 : if (nOvFactor == panOverviewList[i])
3601 : {
3602 40 : bFound = true;
3603 40 : break;
3604 : }
3605 :
3606 150 : if (jCandidate < 0 && nOvFactor > panOverviewList[i])
3607 1 : jCandidate = j;
3608 : }
3609 :
3610 46 : if (!bFound)
3611 : {
3612 : /* Mostly for debug */
3613 6 : if (!CPLTestBool(CPLGetConfigOption(
3614 : "ALLOW_GPKG_ZOOM_OTHER_EXTENSION", "YES")))
3615 : {
3616 2 : CPLString osOvrList;
3617 4 : for (const auto &poODS : m_apoOverviewDS)
3618 : {
3619 : const int nOvFactor =
3620 2 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3621 :
3622 2 : if (!osOvrList.empty())
3623 0 : osOvrList += ' ';
3624 2 : osOvrList += CPLSPrintf("%d", nOvFactor);
3625 : }
3626 2 : CPLError(CE_Failure, CPLE_NotSupported,
3627 : "Only overviews %s can be computed",
3628 : osOvrList.c_str());
3629 2 : return CE_Failure;
3630 : }
3631 : else
3632 : {
3633 4 : int nOvFactor = panOverviewList[i];
3634 4 : if (jCandidate < 0)
3635 3 : jCandidate = static_cast<int>(m_apoOverviewDS.size());
3636 :
3637 4 : int nOvXSize = std::max(1, GetRasterXSize() / nOvFactor);
3638 4 : int nOvYSize = std::max(1, GetRasterYSize() / nOvFactor);
3639 4 : if (!(jCandidate == static_cast<int>(m_apoOverviewDS.size()) &&
3640 5 : nOvFactor == 2 * nMaxOvFactor) &&
3641 1 : !m_bZoomOther)
3642 : {
3643 1 : CPLError(CE_Warning, CPLE_AppDefined,
3644 : "Use of overview factor %d causes gpkg_zoom_other "
3645 : "extension to be needed",
3646 : nOvFactor);
3647 1 : RegisterZoomOtherExtension();
3648 1 : m_bZoomOther = true;
3649 : }
3650 :
3651 4 : SoftStartTransaction();
3652 :
3653 4 : CPLAssert(jCandidate > 0);
3654 : const int nNewZoomLevel =
3655 4 : m_apoOverviewDS[jCandidate - 1]->m_nZoomLevel;
3656 :
3657 : char *pszSQL;
3658 : OGRErr eErr;
3659 24 : for (int k = 0; k <= jCandidate; k++)
3660 : {
3661 60 : pszSQL = sqlite3_mprintf(
3662 : "UPDATE gpkg_tile_matrix SET zoom_level = %d "
3663 : "WHERE lower(table_name) = lower('%q') AND zoom_level "
3664 : "= %d",
3665 20 : m_nZoomLevel - k + 1, m_osRasterTable.c_str(),
3666 20 : m_nZoomLevel - k);
3667 20 : eErr = SQLCommand(hDB, pszSQL);
3668 20 : sqlite3_free(pszSQL);
3669 20 : if (eErr != OGRERR_NONE)
3670 : {
3671 0 : SoftRollbackTransaction();
3672 0 : return CE_Failure;
3673 : }
3674 :
3675 : pszSQL =
3676 20 : sqlite3_mprintf("UPDATE \"%w\" SET zoom_level = %d "
3677 : "WHERE zoom_level = %d",
3678 : m_osRasterTable.c_str(),
3679 20 : m_nZoomLevel - k + 1, m_nZoomLevel - k);
3680 20 : eErr = SQLCommand(hDB, pszSQL);
3681 20 : sqlite3_free(pszSQL);
3682 20 : if (eErr != OGRERR_NONE)
3683 : {
3684 0 : SoftRollbackTransaction();
3685 0 : return CE_Failure;
3686 : }
3687 : }
3688 :
3689 4 : double dfGDALMinX = m_gt[0];
3690 4 : double dfGDALMinY = m_gt[3] + nRasterYSize * m_gt[5];
3691 4 : double dfGDALMaxX = m_gt[0] + nRasterXSize * m_gt[1];
3692 4 : double dfGDALMaxY = m_gt[3];
3693 4 : double dfPixelXSizeZoomLevel = m_gt[1] * nOvFactor;
3694 4 : double dfPixelYSizeZoomLevel = fabs(m_gt[5]) * nOvFactor;
3695 : int nTileWidth, nTileHeight;
3696 4 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3697 4 : int nTileMatrixWidth = DIV_ROUND_UP(nOvXSize, nTileWidth);
3698 4 : int nTileMatrixHeight = DIV_ROUND_UP(nOvYSize, nTileHeight);
3699 4 : pszSQL = sqlite3_mprintf(
3700 : "INSERT INTO gpkg_tile_matrix "
3701 : "(table_name,zoom_level,matrix_width,matrix_height,tile_"
3702 : "width,tile_height,pixel_x_size,pixel_y_size) VALUES "
3703 : "('%q',%d,%d,%d,%d,%d,%.17g,%.17g)",
3704 : m_osRasterTable.c_str(), nNewZoomLevel, nTileMatrixWidth,
3705 : nTileMatrixHeight, nTileWidth, nTileHeight,
3706 : dfPixelXSizeZoomLevel, dfPixelYSizeZoomLevel);
3707 4 : eErr = SQLCommand(hDB, pszSQL);
3708 4 : sqlite3_free(pszSQL);
3709 4 : if (eErr != OGRERR_NONE)
3710 : {
3711 0 : SoftRollbackTransaction();
3712 0 : return CE_Failure;
3713 : }
3714 :
3715 4 : SoftCommitTransaction();
3716 :
3717 4 : m_nZoomLevel++; /* this change our zoom level as well as
3718 : previous overviews */
3719 20 : for (int k = 0; k < jCandidate; k++)
3720 16 : m_apoOverviewDS[k]->m_nZoomLevel++;
3721 :
3722 4 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3723 4 : poOvrDS->ShareLockWithParentDataset(this);
3724 4 : poOvrDS->InitRaster(
3725 : this, m_osRasterTable, nNewZoomLevel, nBands, m_dfTMSMinX,
3726 : m_dfTMSMaxY, dfPixelXSizeZoomLevel, dfPixelYSizeZoomLevel,
3727 : nTileWidth, nTileHeight, nTileMatrixWidth,
3728 : nTileMatrixHeight, dfGDALMinX, dfGDALMinY, dfGDALMaxX,
3729 : dfGDALMaxY);
3730 4 : m_apoOverviewDS.insert(m_apoOverviewDS.begin() + jCandidate,
3731 8 : std::move(poOvrDS));
3732 : }
3733 : }
3734 : }
3735 :
3736 : GDALRasterBand ***papapoOverviewBands = static_cast<GDALRasterBand ***>(
3737 13 : CPLCalloc(sizeof(GDALRasterBand **), nBands));
3738 13 : CPLErr eErr = CE_None;
3739 49 : for (int iBand = 0; eErr == CE_None && iBand < nBands; iBand++)
3740 : {
3741 72 : papapoOverviewBands[iBand] = static_cast<GDALRasterBand **>(
3742 36 : CPLCalloc(sizeof(GDALRasterBand *), nOverviews));
3743 36 : int iCurOverview = 0;
3744 185 : for (int i = 0; i < nOverviews; i++)
3745 : {
3746 149 : bool bFound = false;
3747 724 : for (const auto &poODS : m_apoOverviewDS)
3748 : {
3749 : const int nOvFactor =
3750 724 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3751 :
3752 724 : if (nOvFactor == panOverviewList[i])
3753 : {
3754 298 : papapoOverviewBands[iBand][iCurOverview] =
3755 149 : poODS->GetRasterBand(iBand + 1);
3756 149 : iCurOverview++;
3757 149 : bFound = true;
3758 149 : break;
3759 : }
3760 : }
3761 149 : if (!bFound)
3762 : {
3763 0 : CPLError(CE_Failure, CPLE_AppDefined,
3764 : "Could not find dataset corresponding to ov factor %d",
3765 0 : panOverviewList[i]);
3766 0 : eErr = CE_Failure;
3767 : }
3768 : }
3769 36 : if (eErr == CE_None)
3770 : {
3771 36 : CPLAssert(iCurOverview == nOverviews);
3772 : }
3773 : }
3774 :
3775 13 : if (eErr == CE_None)
3776 13 : eErr = GDALRegenerateOverviewsMultiBand(
3777 13 : nBands, papoBands, nOverviews, papapoOverviewBands, pszResampling,
3778 : pfnProgress, pProgressData, papszOptions);
3779 :
3780 49 : for (int iBand = 0; iBand < nBands; iBand++)
3781 : {
3782 36 : CPLFree(papapoOverviewBands[iBand]);
3783 : }
3784 13 : CPLFree(papapoOverviewBands);
3785 :
3786 13 : return eErr;
3787 : }
3788 :
3789 : /************************************************************************/
3790 : /* GetFileList() */
3791 : /************************************************************************/
3792 :
3793 35 : char **GDALGeoPackageDataset::GetFileList()
3794 : {
3795 35 : TryLoadXML();
3796 35 : return GDALPamDataset::GetFileList();
3797 : }
3798 :
3799 : /************************************************************************/
3800 : /* GetMetadataDomainList() */
3801 : /************************************************************************/
3802 :
3803 47 : char **GDALGeoPackageDataset::GetMetadataDomainList()
3804 : {
3805 47 : GetMetadata();
3806 47 : if (!m_osRasterTable.empty())
3807 5 : GetMetadata("GEOPACKAGE");
3808 47 : return BuildMetadataDomainList(GDALPamDataset::GetMetadataDomainList(),
3809 47 : TRUE, "SUBDATASETS", nullptr);
3810 : }
3811 :
3812 : /************************************************************************/
3813 : /* CheckMetadataDomain() */
3814 : /************************************************************************/
3815 :
3816 5241 : const char *GDALGeoPackageDataset::CheckMetadataDomain(const char *pszDomain)
3817 : {
3818 5424 : if (pszDomain != nullptr && EQUAL(pszDomain, "GEOPACKAGE") &&
3819 183 : m_osRasterTable.empty())
3820 : {
3821 4 : CPLError(
3822 : CE_Warning, CPLE_IllegalArg,
3823 : "Using GEOPACKAGE for a non-raster geopackage is not supported. "
3824 : "Using default domain instead");
3825 4 : return nullptr;
3826 : }
3827 5237 : return pszDomain;
3828 : }
3829 :
3830 : /************************************************************************/
3831 : /* HasMetadataTables() */
3832 : /************************************************************************/
3833 :
3834 5331 : bool GDALGeoPackageDataset::HasMetadataTables() const
3835 : {
3836 5331 : if (m_nHasMetadataTables < 0)
3837 : {
3838 : const int nCount =
3839 1980 : SQLGetInteger(hDB,
3840 : "SELECT COUNT(*) FROM sqlite_master WHERE name IN "
3841 : "('gpkg_metadata', 'gpkg_metadata_reference') "
3842 : "AND type IN ('table', 'view')",
3843 : nullptr);
3844 1980 : m_nHasMetadataTables = nCount == 2;
3845 : }
3846 5331 : return CPL_TO_BOOL(m_nHasMetadataTables);
3847 : }
3848 :
3849 : /************************************************************************/
3850 : /* HasDataColumnsTable() */
3851 : /************************************************************************/
3852 :
3853 1181 : bool GDALGeoPackageDataset::HasDataColumnsTable() const
3854 : {
3855 2362 : const int nCount = SQLGetInteger(
3856 1181 : hDB,
3857 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_data_columns'"
3858 : "AND type IN ('table', 'view')",
3859 : nullptr);
3860 1181 : return nCount == 1;
3861 : }
3862 :
3863 : /************************************************************************/
3864 : /* HasDataColumnConstraintsTable() */
3865 : /************************************************************************/
3866 :
3867 120 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTable() const
3868 : {
3869 120 : const int nCount = SQLGetInteger(hDB,
3870 : "SELECT 1 FROM sqlite_master WHERE name = "
3871 : "'gpkg_data_column_constraints'"
3872 : "AND type IN ('table', 'view')",
3873 : nullptr);
3874 120 : return nCount == 1;
3875 : }
3876 :
3877 : /************************************************************************/
3878 : /* HasDataColumnConstraintsTableGPKG_1_0() */
3879 : /************************************************************************/
3880 :
3881 73 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTableGPKG_1_0() const
3882 : {
3883 73 : if (m_nApplicationId != GP10_APPLICATION_ID)
3884 71 : return false;
3885 : // In GPKG 1.0, the columns were named minIsInclusive, maxIsInclusive
3886 : // They were changed in 1.1 to min_is_inclusive, max_is_inclusive
3887 2 : bool bRet = false;
3888 2 : sqlite3_stmt *hSQLStmt = nullptr;
3889 2 : int rc = sqlite3_prepare_v2(hDB,
3890 : "SELECT minIsInclusive, maxIsInclusive FROM "
3891 : "gpkg_data_column_constraints",
3892 : -1, &hSQLStmt, nullptr);
3893 2 : if (rc == SQLITE_OK)
3894 : {
3895 2 : bRet = true;
3896 2 : sqlite3_finalize(hSQLStmt);
3897 : }
3898 2 : return bRet;
3899 : }
3900 :
3901 : /************************************************************************/
3902 : /* CreateColumnsTableAndColumnConstraintsTablesIfNecessary() */
3903 : /************************************************************************/
3904 :
3905 49 : bool GDALGeoPackageDataset::
3906 : CreateColumnsTableAndColumnConstraintsTablesIfNecessary()
3907 : {
3908 49 : if (!HasDataColumnsTable())
3909 : {
3910 : // Geopackage < 1.3 had
3911 : // CONSTRAINT fk_gdc_tn FOREIGN KEY (table_name) REFERENCES
3912 : // gpkg_contents(table_name) instead of the unique constraint.
3913 10 : if (OGRERR_NONE !=
3914 10 : SQLCommand(
3915 : GetDB(),
3916 : "CREATE TABLE gpkg_data_columns ("
3917 : "table_name TEXT NOT NULL,"
3918 : "column_name TEXT NOT NULL,"
3919 : "name TEXT,"
3920 : "title TEXT,"
3921 : "description TEXT,"
3922 : "mime_type TEXT,"
3923 : "constraint_name TEXT,"
3924 : "CONSTRAINT pk_gdc PRIMARY KEY (table_name, column_name),"
3925 : "CONSTRAINT gdc_tn UNIQUE (table_name, name));"))
3926 : {
3927 0 : return false;
3928 : }
3929 : }
3930 49 : if (!HasDataColumnConstraintsTable())
3931 : {
3932 22 : const char *min_is_inclusive = m_nApplicationId != GP10_APPLICATION_ID
3933 11 : ? "min_is_inclusive"
3934 : : "minIsInclusive";
3935 22 : const char *max_is_inclusive = m_nApplicationId != GP10_APPLICATION_ID
3936 11 : ? "max_is_inclusive"
3937 : : "maxIsInclusive";
3938 :
3939 : const std::string osSQL(
3940 : CPLSPrintf("CREATE TABLE gpkg_data_column_constraints ("
3941 : "constraint_name TEXT NOT NULL,"
3942 : "constraint_type TEXT NOT NULL,"
3943 : "value TEXT,"
3944 : "min NUMERIC,"
3945 : "%s BOOLEAN,"
3946 : "max NUMERIC,"
3947 : "%s BOOLEAN,"
3948 : "description TEXT,"
3949 : "CONSTRAINT gdcc_ntv UNIQUE (constraint_name, "
3950 : "constraint_type, value));",
3951 11 : min_is_inclusive, max_is_inclusive));
3952 11 : if (OGRERR_NONE != SQLCommand(GetDB(), osSQL.c_str()))
3953 : {
3954 0 : return false;
3955 : }
3956 : }
3957 49 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
3958 : {
3959 0 : return false;
3960 : }
3961 49 : if (SQLGetInteger(GetDB(),
3962 : "SELECT 1 FROM gpkg_extensions WHERE "
3963 : "table_name = 'gpkg_data_columns'",
3964 49 : nullptr) != 1)
3965 : {
3966 11 : if (OGRERR_NONE !=
3967 11 : SQLCommand(
3968 : GetDB(),
3969 : "INSERT INTO gpkg_extensions "
3970 : "(table_name,column_name,extension_name,definition,scope) "
3971 : "VALUES ('gpkg_data_columns', NULL, 'gpkg_schema', "
3972 : "'http://www.geopackage.org/spec121/#extension_schema', "
3973 : "'read-write')"))
3974 : {
3975 0 : return false;
3976 : }
3977 : }
3978 49 : if (SQLGetInteger(GetDB(),
3979 : "SELECT 1 FROM gpkg_extensions WHERE "
3980 : "table_name = 'gpkg_data_column_constraints'",
3981 49 : nullptr) != 1)
3982 : {
3983 11 : if (OGRERR_NONE !=
3984 11 : SQLCommand(
3985 : GetDB(),
3986 : "INSERT INTO gpkg_extensions "
3987 : "(table_name,column_name,extension_name,definition,scope) "
3988 : "VALUES ('gpkg_data_column_constraints', NULL, 'gpkg_schema', "
3989 : "'http://www.geopackage.org/spec121/#extension_schema', "
3990 : "'read-write')"))
3991 : {
3992 0 : return false;
3993 : }
3994 : }
3995 :
3996 49 : return true;
3997 : }
3998 :
3999 : /************************************************************************/
4000 : /* HasGpkgextRelationsTable() */
4001 : /************************************************************************/
4002 :
4003 1177 : bool GDALGeoPackageDataset::HasGpkgextRelationsTable() const
4004 : {
4005 2354 : const int nCount = SQLGetInteger(
4006 1177 : hDB,
4007 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkgext_relations'"
4008 : "AND type IN ('table', 'view')",
4009 : nullptr);
4010 1177 : return nCount == 1;
4011 : }
4012 :
4013 : /************************************************************************/
4014 : /* CreateRelationsTableIfNecessary() */
4015 : /************************************************************************/
4016 :
4017 9 : bool GDALGeoPackageDataset::CreateRelationsTableIfNecessary()
4018 : {
4019 9 : if (HasGpkgextRelationsTable())
4020 : {
4021 5 : return true;
4022 : }
4023 :
4024 4 : if (OGRERR_NONE !=
4025 4 : SQLCommand(GetDB(), "CREATE TABLE gpkgext_relations ("
4026 : "id INTEGER PRIMARY KEY AUTOINCREMENT,"
4027 : "base_table_name TEXT NOT NULL,"
4028 : "base_primary_column TEXT NOT NULL DEFAULT 'id',"
4029 : "related_table_name TEXT NOT NULL,"
4030 : "related_primary_column TEXT NOT NULL DEFAULT 'id',"
4031 : "relation_name TEXT NOT NULL,"
4032 : "mapping_table_name TEXT NOT NULL UNIQUE);"))
4033 : {
4034 0 : return false;
4035 : }
4036 :
4037 4 : return true;
4038 : }
4039 :
4040 : /************************************************************************/
4041 : /* HasQGISLayerStyles() */
4042 : /************************************************************************/
4043 :
4044 11 : bool GDALGeoPackageDataset::HasQGISLayerStyles() const
4045 : {
4046 : // QGIS layer_styles extension:
4047 : // https://github.com/pka/qgpkg/blob/master/qgis_geopackage_extension.md
4048 11 : bool bRet = false;
4049 : const int nCount =
4050 11 : SQLGetInteger(hDB,
4051 : "SELECT 1 FROM sqlite_master WHERE name = 'layer_styles'"
4052 : "AND type = 'table'",
4053 : nullptr);
4054 11 : if (nCount == 1)
4055 : {
4056 1 : sqlite3_stmt *hSQLStmt = nullptr;
4057 2 : int rc = sqlite3_prepare_v2(
4058 1 : hDB, "SELECT f_table_name, f_geometry_column FROM layer_styles", -1,
4059 : &hSQLStmt, nullptr);
4060 1 : if (rc == SQLITE_OK)
4061 : {
4062 1 : bRet = true;
4063 1 : sqlite3_finalize(hSQLStmt);
4064 : }
4065 : }
4066 11 : return bRet;
4067 : }
4068 :
4069 : /************************************************************************/
4070 : /* GetMetadata() */
4071 : /************************************************************************/
4072 :
4073 3523 : char **GDALGeoPackageDataset::GetMetadata(const char *pszDomain)
4074 :
4075 : {
4076 3523 : pszDomain = CheckMetadataDomain(pszDomain);
4077 3523 : if (pszDomain != nullptr && EQUAL(pszDomain, "SUBDATASETS"))
4078 67 : return m_aosSubDatasets.List();
4079 :
4080 3456 : if (m_bHasReadMetadataFromStorage)
4081 1532 : return GDALPamDataset::GetMetadata(pszDomain);
4082 :
4083 1924 : m_bHasReadMetadataFromStorage = true;
4084 :
4085 1924 : TryLoadXML();
4086 :
4087 1924 : if (!HasMetadataTables())
4088 1417 : return GDALPamDataset::GetMetadata(pszDomain);
4089 :
4090 507 : char *pszSQL = nullptr;
4091 507 : if (!m_osRasterTable.empty())
4092 : {
4093 169 : pszSQL = sqlite3_mprintf(
4094 : "SELECT md.metadata, md.md_standard_uri, md.mime_type, "
4095 : "mdr.reference_scope FROM gpkg_metadata md "
4096 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4097 : "WHERE "
4098 : "(mdr.reference_scope = 'geopackage' OR "
4099 : "(mdr.reference_scope = 'table' AND lower(mdr.table_name) = "
4100 : "lower('%q'))) ORDER BY md.id "
4101 : "LIMIT 1000", // to avoid denial of service
4102 : m_osRasterTable.c_str());
4103 : }
4104 : else
4105 : {
4106 338 : pszSQL = sqlite3_mprintf(
4107 : "SELECT md.metadata, md.md_standard_uri, md.mime_type, "
4108 : "mdr.reference_scope FROM gpkg_metadata md "
4109 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4110 : "WHERE "
4111 : "mdr.reference_scope = 'geopackage' ORDER BY md.id "
4112 : "LIMIT 1000" // to avoid denial of service
4113 : );
4114 : }
4115 :
4116 1014 : auto oResult = SQLQuery(hDB, pszSQL);
4117 507 : sqlite3_free(pszSQL);
4118 507 : if (!oResult)
4119 : {
4120 0 : return GDALPamDataset::GetMetadata(pszDomain);
4121 : }
4122 :
4123 507 : char **papszMetadata = CSLDuplicate(GDALPamDataset::GetMetadata());
4124 :
4125 : /* GDAL metadata */
4126 696 : for (int i = 0; i < oResult->RowCount(); i++)
4127 : {
4128 189 : const char *pszMetadata = oResult->GetValue(0, i);
4129 189 : const char *pszMDStandardURI = oResult->GetValue(1, i);
4130 189 : const char *pszMimeType = oResult->GetValue(2, i);
4131 189 : const char *pszReferenceScope = oResult->GetValue(3, i);
4132 189 : if (pszMetadata && pszMDStandardURI && pszMimeType &&
4133 189 : pszReferenceScope && EQUAL(pszMDStandardURI, "http://gdal.org") &&
4134 173 : EQUAL(pszMimeType, "text/xml"))
4135 : {
4136 173 : CPLXMLNode *psXMLNode = CPLParseXMLString(pszMetadata);
4137 173 : if (psXMLNode)
4138 : {
4139 346 : GDALMultiDomainMetadata oLocalMDMD;
4140 173 : oLocalMDMD.XMLInit(psXMLNode, FALSE);
4141 331 : if (!m_osRasterTable.empty() &&
4142 158 : EQUAL(pszReferenceScope, "geopackage"))
4143 : {
4144 6 : oMDMD.SetMetadata(oLocalMDMD.GetMetadata(), "GEOPACKAGE");
4145 : }
4146 : else
4147 : {
4148 : papszMetadata =
4149 167 : CSLMerge(papszMetadata, oLocalMDMD.GetMetadata());
4150 167 : CSLConstList papszDomainList = oLocalMDMD.GetDomainList();
4151 167 : CSLConstList papszIter = papszDomainList;
4152 444 : while (papszIter && *papszIter)
4153 : {
4154 277 : if (EQUAL(*papszIter, "IMAGE_STRUCTURE"))
4155 : {
4156 : CSLConstList papszMD =
4157 125 : oLocalMDMD.GetMetadata(*papszIter);
4158 : const char *pszBAND_COUNT =
4159 125 : CSLFetchNameValue(papszMD, "BAND_COUNT");
4160 125 : if (pszBAND_COUNT)
4161 123 : m_nBandCountFromMetadata = atoi(pszBAND_COUNT);
4162 :
4163 : const char *pszCOLOR_TABLE =
4164 125 : CSLFetchNameValue(papszMD, "COLOR_TABLE");
4165 125 : if (pszCOLOR_TABLE)
4166 : {
4167 : const CPLStringList aosTokens(
4168 : CSLTokenizeString2(pszCOLOR_TABLE, "{,",
4169 26 : 0));
4170 13 : if ((aosTokens.size() % 4) == 0)
4171 : {
4172 13 : const int nColors = aosTokens.size() / 4;
4173 : m_poCTFromMetadata =
4174 13 : std::make_unique<GDALColorTable>();
4175 3341 : for (int iColor = 0; iColor < nColors;
4176 : ++iColor)
4177 : {
4178 : GDALColorEntry sEntry;
4179 3328 : sEntry.c1 = static_cast<short>(
4180 3328 : atoi(aosTokens[4 * iColor + 0]));
4181 3328 : sEntry.c2 = static_cast<short>(
4182 3328 : atoi(aosTokens[4 * iColor + 1]));
4183 3328 : sEntry.c3 = static_cast<short>(
4184 3328 : atoi(aosTokens[4 * iColor + 2]));
4185 3328 : sEntry.c4 = static_cast<short>(
4186 3328 : atoi(aosTokens[4 * iColor + 3]));
4187 3328 : m_poCTFromMetadata->SetColorEntry(
4188 : iColor, &sEntry);
4189 : }
4190 : }
4191 : }
4192 :
4193 : const char *pszTILE_FORMAT =
4194 125 : CSLFetchNameValue(papszMD, "TILE_FORMAT");
4195 125 : if (pszTILE_FORMAT)
4196 : {
4197 8 : m_osTFFromMetadata = pszTILE_FORMAT;
4198 8 : oMDMD.SetMetadataItem("TILE_FORMAT",
4199 : pszTILE_FORMAT,
4200 : "IMAGE_STRUCTURE");
4201 : }
4202 :
4203 : const char *pszNodataValue =
4204 125 : CSLFetchNameValue(papszMD, "NODATA_VALUE");
4205 125 : if (pszNodataValue)
4206 : {
4207 2 : m_osNodataValueFromMetadata = pszNodataValue;
4208 : }
4209 : }
4210 :
4211 152 : else if (!EQUAL(*papszIter, "") &&
4212 16 : !STARTS_WITH(*papszIter, "BAND_"))
4213 : {
4214 12 : oMDMD.SetMetadata(
4215 6 : oLocalMDMD.GetMetadata(*papszIter), *papszIter);
4216 : }
4217 277 : papszIter++;
4218 : }
4219 : }
4220 173 : CPLDestroyXMLNode(psXMLNode);
4221 : }
4222 : }
4223 : }
4224 :
4225 507 : GDALPamDataset::SetMetadata(papszMetadata);
4226 507 : CSLDestroy(papszMetadata);
4227 507 : papszMetadata = nullptr;
4228 :
4229 : /* Add non-GDAL metadata now */
4230 507 : int nNonGDALMDILocal = 1;
4231 507 : int nNonGDALMDIGeopackage = 1;
4232 696 : for (int i = 0; i < oResult->RowCount(); i++)
4233 : {
4234 189 : const char *pszMetadata = oResult->GetValue(0, i);
4235 189 : const char *pszMDStandardURI = oResult->GetValue(1, i);
4236 189 : const char *pszMimeType = oResult->GetValue(2, i);
4237 189 : const char *pszReferenceScope = oResult->GetValue(3, i);
4238 189 : if (pszMetadata == nullptr || pszMDStandardURI == nullptr ||
4239 189 : pszMimeType == nullptr || pszReferenceScope == nullptr)
4240 : {
4241 : // should not happen as there are NOT NULL constraints
4242 : // But a database could lack such NOT NULL constraints or have
4243 : // large values that would cause a memory allocation failure.
4244 0 : continue;
4245 : }
4246 189 : int bIsGPKGScope = EQUAL(pszReferenceScope, "geopackage");
4247 189 : if (EQUAL(pszMDStandardURI, "http://gdal.org") &&
4248 173 : EQUAL(pszMimeType, "text/xml"))
4249 173 : continue;
4250 :
4251 16 : if (!m_osRasterTable.empty() && bIsGPKGScope)
4252 : {
4253 8 : oMDMD.SetMetadataItem(
4254 : CPLSPrintf("GPKG_METADATA_ITEM_%d", nNonGDALMDIGeopackage),
4255 : pszMetadata, "GEOPACKAGE");
4256 8 : nNonGDALMDIGeopackage++;
4257 : }
4258 : /*else if( strcmp( pszMDStandardURI, "http://www.isotc211.org/2005/gmd"
4259 : ) == 0 && strcmp( pszMimeType, "text/xml" ) == 0 )
4260 : {
4261 : char* apszMD[2];
4262 : apszMD[0] = (char*)pszMetadata;
4263 : apszMD[1] = NULL;
4264 : oMDMD.SetMetadata(apszMD, "xml:MD_Metadata");
4265 : }*/
4266 : else
4267 : {
4268 8 : oMDMD.SetMetadataItem(
4269 : CPLSPrintf("GPKG_METADATA_ITEM_%d", nNonGDALMDILocal),
4270 : pszMetadata);
4271 8 : nNonGDALMDILocal++;
4272 : }
4273 : }
4274 :
4275 507 : return GDALPamDataset::GetMetadata(pszDomain);
4276 : }
4277 :
4278 : /************************************************************************/
4279 : /* WriteMetadata() */
4280 : /************************************************************************/
4281 :
4282 744 : void GDALGeoPackageDataset::WriteMetadata(
4283 : CPLXMLNode *psXMLNode, /* will be destroyed by the method */
4284 : const char *pszTableName)
4285 : {
4286 744 : const bool bIsEmpty = (psXMLNode == nullptr);
4287 744 : if (!HasMetadataTables())
4288 : {
4289 536 : if (bIsEmpty || !CreateMetadataTables())
4290 : {
4291 255 : CPLDestroyXMLNode(psXMLNode);
4292 255 : return;
4293 : }
4294 : }
4295 :
4296 489 : char *pszXML = nullptr;
4297 489 : if (!bIsEmpty)
4298 : {
4299 : CPLXMLNode *psMasterXMLNode =
4300 328 : CPLCreateXMLNode(nullptr, CXT_Element, "GDALMultiDomainMetadata");
4301 328 : psMasterXMLNode->psChild = psXMLNode;
4302 328 : pszXML = CPLSerializeXMLTree(psMasterXMLNode);
4303 328 : CPLDestroyXMLNode(psMasterXMLNode);
4304 : }
4305 : // cppcheck-suppress uselessAssignmentPtrArg
4306 489 : psXMLNode = nullptr;
4307 :
4308 489 : char *pszSQL = nullptr;
4309 489 : if (pszTableName && pszTableName[0] != '\0')
4310 : {
4311 341 : pszSQL = sqlite3_mprintf(
4312 : "SELECT md.id FROM gpkg_metadata md "
4313 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4314 : "WHERE md.md_scope = 'dataset' AND "
4315 : "md.md_standard_uri='http://gdal.org' "
4316 : "AND md.mime_type='text/xml' AND mdr.reference_scope = 'table' AND "
4317 : "lower(mdr.table_name) = lower('%q')",
4318 : pszTableName);
4319 : }
4320 : else
4321 : {
4322 148 : pszSQL = sqlite3_mprintf(
4323 : "SELECT md.id FROM gpkg_metadata md "
4324 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4325 : "WHERE md.md_scope = 'dataset' AND "
4326 : "md.md_standard_uri='http://gdal.org' "
4327 : "AND md.mime_type='text/xml' AND mdr.reference_scope = "
4328 : "'geopackage'");
4329 : }
4330 : OGRErr err;
4331 489 : int mdId = SQLGetInteger(hDB, pszSQL, &err);
4332 489 : if (err != OGRERR_NONE)
4333 457 : mdId = -1;
4334 489 : sqlite3_free(pszSQL);
4335 :
4336 489 : if (bIsEmpty)
4337 : {
4338 161 : if (mdId >= 0)
4339 : {
4340 6 : SQLCommand(
4341 : hDB,
4342 : CPLSPrintf(
4343 : "DELETE FROM gpkg_metadata_reference WHERE md_file_id = %d",
4344 : mdId));
4345 6 : SQLCommand(
4346 : hDB,
4347 : CPLSPrintf("DELETE FROM gpkg_metadata WHERE id = %d", mdId));
4348 : }
4349 : }
4350 : else
4351 : {
4352 328 : if (mdId >= 0)
4353 : {
4354 26 : pszSQL = sqlite3_mprintf(
4355 : "UPDATE gpkg_metadata SET metadata = '%q' WHERE id = %d",
4356 : pszXML, mdId);
4357 : }
4358 : else
4359 : {
4360 : pszSQL =
4361 302 : sqlite3_mprintf("INSERT INTO gpkg_metadata (md_scope, "
4362 : "md_standard_uri, mime_type, metadata) VALUES "
4363 : "('dataset','http://gdal.org','text/xml','%q')",
4364 : pszXML);
4365 : }
4366 328 : SQLCommand(hDB, pszSQL);
4367 328 : sqlite3_free(pszSQL);
4368 :
4369 328 : CPLFree(pszXML);
4370 :
4371 328 : if (mdId < 0)
4372 : {
4373 302 : const sqlite_int64 nFID = sqlite3_last_insert_rowid(hDB);
4374 302 : if (pszTableName != nullptr && pszTableName[0] != '\0')
4375 : {
4376 290 : pszSQL = sqlite3_mprintf(
4377 : "INSERT INTO gpkg_metadata_reference (reference_scope, "
4378 : "table_name, timestamp, md_file_id) VALUES "
4379 : "('table', '%q', %s, %d)",
4380 580 : pszTableName, GetCurrentDateEscapedSQL().c_str(),
4381 : static_cast<int>(nFID));
4382 : }
4383 : else
4384 : {
4385 12 : pszSQL = sqlite3_mprintf(
4386 : "INSERT INTO gpkg_metadata_reference (reference_scope, "
4387 : "timestamp, md_file_id) VALUES "
4388 : "('geopackage', %s, %d)",
4389 24 : GetCurrentDateEscapedSQL().c_str(), static_cast<int>(nFID));
4390 : }
4391 : }
4392 : else
4393 : {
4394 26 : pszSQL = sqlite3_mprintf("UPDATE gpkg_metadata_reference SET "
4395 : "timestamp = %s WHERE md_file_id = %d",
4396 52 : GetCurrentDateEscapedSQL().c_str(), mdId);
4397 : }
4398 328 : SQLCommand(hDB, pszSQL);
4399 328 : sqlite3_free(pszSQL);
4400 : }
4401 : }
4402 :
4403 : /************************************************************************/
4404 : /* CreateMetadataTables() */
4405 : /************************************************************************/
4406 :
4407 299 : bool GDALGeoPackageDataset::CreateMetadataTables()
4408 : {
4409 : const bool bCreateTriggers =
4410 299 : CPLTestBool(CPLGetConfigOption("CREATE_TRIGGERS", "NO"));
4411 :
4412 : /* From C.10. gpkg_metadata Table 35. gpkg_metadata Table Definition SQL */
4413 : CPLString osSQL = "CREATE TABLE gpkg_metadata ("
4414 : "id INTEGER CONSTRAINT m_pk PRIMARY KEY ASC NOT NULL,"
4415 : "md_scope TEXT NOT NULL DEFAULT 'dataset',"
4416 : "md_standard_uri TEXT NOT NULL,"
4417 : "mime_type TEXT NOT NULL DEFAULT 'text/xml',"
4418 : "metadata TEXT NOT NULL DEFAULT ''"
4419 598 : ")";
4420 :
4421 : /* From D.2. metadata Table 40. metadata Trigger Definition SQL */
4422 299 : const char *pszMetadataTriggers =
4423 : "CREATE TRIGGER 'gpkg_metadata_md_scope_insert' "
4424 : "BEFORE INSERT ON 'gpkg_metadata' "
4425 : "FOR EACH ROW BEGIN "
4426 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata violates "
4427 : "constraint: md_scope must be one of undefined | fieldSession | "
4428 : "collectionSession | series | dataset | featureType | feature | "
4429 : "attributeType | attribute | tile | model | catalogue | schema | "
4430 : "taxonomy software | service | collectionHardware | "
4431 : "nonGeographicDataset | dimensionGroup') "
4432 : "WHERE NOT(NEW.md_scope IN "
4433 : "('undefined','fieldSession','collectionSession','series','dataset', "
4434 : "'featureType','feature','attributeType','attribute','tile','model', "
4435 : "'catalogue','schema','taxonomy','software','service', "
4436 : "'collectionHardware','nonGeographicDataset','dimensionGroup')); "
4437 : "END; "
4438 : "CREATE TRIGGER 'gpkg_metadata_md_scope_update' "
4439 : "BEFORE UPDATE OF 'md_scope' ON 'gpkg_metadata' "
4440 : "FOR EACH ROW BEGIN "
4441 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata violates "
4442 : "constraint: md_scope must be one of undefined | fieldSession | "
4443 : "collectionSession | series | dataset | featureType | feature | "
4444 : "attributeType | attribute | tile | model | catalogue | schema | "
4445 : "taxonomy software | service | collectionHardware | "
4446 : "nonGeographicDataset | dimensionGroup') "
4447 : "WHERE NOT(NEW.md_scope IN "
4448 : "('undefined','fieldSession','collectionSession','series','dataset', "
4449 : "'featureType','feature','attributeType','attribute','tile','model', "
4450 : "'catalogue','schema','taxonomy','software','service', "
4451 : "'collectionHardware','nonGeographicDataset','dimensionGroup')); "
4452 : "END";
4453 299 : if (bCreateTriggers)
4454 : {
4455 0 : osSQL += ";";
4456 0 : osSQL += pszMetadataTriggers;
4457 : }
4458 :
4459 : /* From C.11. gpkg_metadata_reference Table 36. gpkg_metadata_reference
4460 : * Table Definition SQL */
4461 : osSQL += ";"
4462 : "CREATE TABLE gpkg_metadata_reference ("
4463 : "reference_scope TEXT NOT NULL,"
4464 : "table_name TEXT,"
4465 : "column_name TEXT,"
4466 : "row_id_value INTEGER,"
4467 : "timestamp DATETIME NOT NULL DEFAULT "
4468 : "(strftime('%Y-%m-%dT%H:%M:%fZ','now')),"
4469 : "md_file_id INTEGER NOT NULL,"
4470 : "md_parent_id INTEGER,"
4471 : "CONSTRAINT crmr_mfi_fk FOREIGN KEY (md_file_id) REFERENCES "
4472 : "gpkg_metadata(id),"
4473 : "CONSTRAINT crmr_mpi_fk FOREIGN KEY (md_parent_id) REFERENCES "
4474 : "gpkg_metadata(id)"
4475 299 : ")";
4476 :
4477 : /* From D.3. metadata_reference Table 41. gpkg_metadata_reference Trigger
4478 : * Definition SQL */
4479 299 : const char *pszMetadataReferenceTriggers =
4480 : "CREATE TRIGGER 'gpkg_metadata_reference_reference_scope_insert' "
4481 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4482 : "FOR EACH ROW BEGIN "
4483 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4484 : "violates constraint: reference_scope must be one of \"geopackage\", "
4485 : "table\", \"column\", \"row\", \"row/col\"') "
4486 : "WHERE NOT NEW.reference_scope IN "
4487 : "('geopackage','table','column','row','row/col'); "
4488 : "END; "
4489 : "CREATE TRIGGER 'gpkg_metadata_reference_reference_scope_update' "
4490 : "BEFORE UPDATE OF 'reference_scope' ON 'gpkg_metadata_reference' "
4491 : "FOR EACH ROW BEGIN "
4492 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4493 : "violates constraint: reference_scope must be one of \"geopackage\", "
4494 : "\"table\", \"column\", \"row\", \"row/col\"') "
4495 : "WHERE NOT NEW.reference_scope IN "
4496 : "('geopackage','table','column','row','row/col'); "
4497 : "END; "
4498 : "CREATE TRIGGER 'gpkg_metadata_reference_column_name_insert' "
4499 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4500 : "FOR EACH ROW BEGIN "
4501 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4502 : "violates constraint: column name must be NULL when reference_scope "
4503 : "is \"geopackage\", \"table\" or \"row\"') "
4504 : "WHERE (NEW.reference_scope IN ('geopackage','table','row') "
4505 : "AND NEW.column_name IS NOT NULL); "
4506 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4507 : "violates constraint: column name must be defined for the specified "
4508 : "table when reference_scope is \"column\" or \"row/col\"') "
4509 : "WHERE (NEW.reference_scope IN ('column','row/col') "
4510 : "AND NOT NEW.table_name IN ( "
4511 : "SELECT name FROM SQLITE_MASTER WHERE type = 'table' "
4512 : "AND name = NEW.table_name "
4513 : "AND sql LIKE ('%' || NEW.column_name || '%'))); "
4514 : "END; "
4515 : "CREATE TRIGGER 'gpkg_metadata_reference_column_name_update' "
4516 : "BEFORE UPDATE OF column_name ON 'gpkg_metadata_reference' "
4517 : "FOR EACH ROW BEGIN "
4518 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4519 : "violates constraint: column name must be NULL when reference_scope "
4520 : "is \"geopackage\", \"table\" or \"row\"') "
4521 : "WHERE (NEW.reference_scope IN ('geopackage','table','row') "
4522 : "AND NEW.column_name IS NOT NULL); "
4523 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4524 : "violates constraint: column name must be defined for the specified "
4525 : "table when reference_scope is \"column\" or \"row/col\"') "
4526 : "WHERE (NEW.reference_scope IN ('column','row/col') "
4527 : "AND NOT NEW.table_name IN ( "
4528 : "SELECT name FROM SQLITE_MASTER WHERE type = 'table' "
4529 : "AND name = NEW.table_name "
4530 : "AND sql LIKE ('%' || NEW.column_name || '%'))); "
4531 : "END; "
4532 : "CREATE TRIGGER 'gpkg_metadata_reference_row_id_value_insert' "
4533 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4534 : "FOR EACH ROW BEGIN "
4535 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4536 : "violates constraint: row_id_value must be NULL when reference_scope "
4537 : "is \"geopackage\", \"table\" or \"column\"') "
4538 : "WHERE NEW.reference_scope IN ('geopackage','table','column') "
4539 : "AND NEW.row_id_value IS NOT NULL; "
4540 : "END; "
4541 : "CREATE TRIGGER 'gpkg_metadata_reference_row_id_value_update' "
4542 : "BEFORE UPDATE OF 'row_id_value' ON 'gpkg_metadata_reference' "
4543 : "FOR EACH ROW BEGIN "
4544 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4545 : "violates constraint: row_id_value must be NULL when reference_scope "
4546 : "is \"geopackage\", \"table\" or \"column\"') "
4547 : "WHERE NEW.reference_scope IN ('geopackage','table','column') "
4548 : "AND NEW.row_id_value IS NOT NULL; "
4549 : "END; "
4550 : "CREATE TRIGGER 'gpkg_metadata_reference_timestamp_insert' "
4551 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4552 : "FOR EACH ROW BEGIN "
4553 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4554 : "violates constraint: timestamp must be a valid time in ISO 8601 "
4555 : "\"yyyy-mm-ddThh:mm:ss.cccZ\" form') "
4556 : "WHERE NOT (NEW.timestamp GLOB "
4557 : "'[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-"
4558 : "5][0-9].[0-9][0-9][0-9]Z' "
4559 : "AND strftime('%s',NEW.timestamp) NOT NULL); "
4560 : "END; "
4561 : "CREATE TRIGGER 'gpkg_metadata_reference_timestamp_update' "
4562 : "BEFORE UPDATE OF 'timestamp' ON 'gpkg_metadata_reference' "
4563 : "FOR EACH ROW BEGIN "
4564 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4565 : "violates constraint: timestamp must be a valid time in ISO 8601 "
4566 : "\"yyyy-mm-ddThh:mm:ss.cccZ\" form') "
4567 : "WHERE NOT (NEW.timestamp GLOB "
4568 : "'[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-"
4569 : "5][0-9].[0-9][0-9][0-9]Z' "
4570 : "AND strftime('%s',NEW.timestamp) NOT NULL); "
4571 : "END";
4572 299 : if (bCreateTriggers)
4573 : {
4574 0 : osSQL += ";";
4575 0 : osSQL += pszMetadataReferenceTriggers;
4576 : }
4577 :
4578 299 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
4579 2 : return false;
4580 :
4581 297 : osSQL += ";";
4582 : osSQL += "INSERT INTO gpkg_extensions "
4583 : "(table_name, column_name, extension_name, definition, scope) "
4584 : "VALUES "
4585 : "('gpkg_metadata', NULL, 'gpkg_metadata', "
4586 : "'http://www.geopackage.org/spec120/#extension_metadata', "
4587 297 : "'read-write')";
4588 :
4589 297 : osSQL += ";";
4590 : osSQL += "INSERT INTO gpkg_extensions "
4591 : "(table_name, column_name, extension_name, definition, scope) "
4592 : "VALUES "
4593 : "('gpkg_metadata_reference', NULL, 'gpkg_metadata', "
4594 : "'http://www.geopackage.org/spec120/#extension_metadata', "
4595 297 : "'read-write')";
4596 :
4597 297 : const bool bOK = SQLCommand(hDB, osSQL) == OGRERR_NONE;
4598 297 : m_nHasMetadataTables = bOK;
4599 297 : return bOK;
4600 : }
4601 :
4602 : /************************************************************************/
4603 : /* FlushMetadata() */
4604 : /************************************************************************/
4605 :
4606 8502 : void GDALGeoPackageDataset::FlushMetadata()
4607 : {
4608 8502 : if (!m_bMetadataDirty || m_poParentDS != nullptr ||
4609 374 : m_nCreateMetadataTables == FALSE)
4610 8134 : return;
4611 368 : m_bMetadataDirty = false;
4612 :
4613 368 : if (eAccess == GA_ReadOnly)
4614 : {
4615 3 : return;
4616 : }
4617 :
4618 365 : bool bCanWriteAreaOrPoint =
4619 728 : !m_bGridCellEncodingAsCO &&
4620 363 : (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT);
4621 365 : if (!m_osRasterTable.empty())
4622 : {
4623 : const char *pszIdentifier =
4624 142 : GDALGeoPackageDataset::GetMetadataItem("IDENTIFIER");
4625 : const char *pszDescription =
4626 142 : GDALGeoPackageDataset::GetMetadataItem("DESCRIPTION");
4627 171 : if (!m_bIdentifierAsCO && pszIdentifier != nullptr &&
4628 29 : pszIdentifier != m_osIdentifier)
4629 : {
4630 14 : m_osIdentifier = pszIdentifier;
4631 : char *pszSQL =
4632 14 : sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' "
4633 : "WHERE lower(table_name) = lower('%q')",
4634 : pszIdentifier, m_osRasterTable.c_str());
4635 14 : SQLCommand(hDB, pszSQL);
4636 14 : sqlite3_free(pszSQL);
4637 : }
4638 149 : if (!m_bDescriptionAsCO && pszDescription != nullptr &&
4639 7 : pszDescription != m_osDescription)
4640 : {
4641 7 : m_osDescription = pszDescription;
4642 : char *pszSQL =
4643 7 : sqlite3_mprintf("UPDATE gpkg_contents SET description = '%q' "
4644 : "WHERE lower(table_name) = lower('%q')",
4645 : pszDescription, m_osRasterTable.c_str());
4646 7 : SQLCommand(hDB, pszSQL);
4647 7 : sqlite3_free(pszSQL);
4648 : }
4649 142 : if (bCanWriteAreaOrPoint)
4650 : {
4651 : const char *pszAreaOrPoint =
4652 28 : GDALGeoPackageDataset::GetMetadataItem(GDALMD_AREA_OR_POINT);
4653 28 : if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_AREA))
4654 : {
4655 23 : bCanWriteAreaOrPoint = false;
4656 23 : char *pszSQL = sqlite3_mprintf(
4657 : "UPDATE gpkg_2d_gridded_coverage_ancillary SET "
4658 : "grid_cell_encoding = 'grid-value-is-area' WHERE "
4659 : "lower(tile_matrix_set_name) = lower('%q')",
4660 : m_osRasterTable.c_str());
4661 23 : SQLCommand(hDB, pszSQL);
4662 23 : sqlite3_free(pszSQL);
4663 : }
4664 5 : else if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_POINT))
4665 : {
4666 1 : bCanWriteAreaOrPoint = false;
4667 1 : char *pszSQL = sqlite3_mprintf(
4668 : "UPDATE gpkg_2d_gridded_coverage_ancillary SET "
4669 : "grid_cell_encoding = 'grid-value-is-center' WHERE "
4670 : "lower(tile_matrix_set_name) = lower('%q')",
4671 : m_osRasterTable.c_str());
4672 1 : SQLCommand(hDB, pszSQL);
4673 1 : sqlite3_free(pszSQL);
4674 : }
4675 : }
4676 : }
4677 :
4678 365 : char **papszMDDup = nullptr;
4679 568 : for (char **papszIter = GDALGeoPackageDataset::GetMetadata();
4680 568 : papszIter && *papszIter; ++papszIter)
4681 : {
4682 203 : if (STARTS_WITH_CI(*papszIter, "IDENTIFIER="))
4683 29 : continue;
4684 174 : if (STARTS_WITH_CI(*papszIter, "DESCRIPTION="))
4685 8 : continue;
4686 166 : if (STARTS_WITH_CI(*papszIter, "ZOOM_LEVEL="))
4687 14 : continue;
4688 152 : if (STARTS_WITH_CI(*papszIter, "GPKG_METADATA_ITEM_"))
4689 4 : continue;
4690 148 : if ((m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT) &&
4691 29 : !bCanWriteAreaOrPoint &&
4692 26 : STARTS_WITH_CI(*papszIter, GDALMD_AREA_OR_POINT))
4693 : {
4694 26 : continue;
4695 : }
4696 122 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4697 : }
4698 :
4699 365 : CPLXMLNode *psXMLNode = nullptr;
4700 : {
4701 365 : GDALMultiDomainMetadata oLocalMDMD;
4702 365 : CSLConstList papszDomainList = oMDMD.GetDomainList();
4703 365 : CSLConstList papszIter = papszDomainList;
4704 365 : oLocalMDMD.SetMetadata(papszMDDup);
4705 705 : while (papszIter && *papszIter)
4706 : {
4707 340 : if (!EQUAL(*papszIter, "") &&
4708 172 : !EQUAL(*papszIter, "IMAGE_STRUCTURE") &&
4709 15 : !EQUAL(*papszIter, "GEOPACKAGE"))
4710 : {
4711 8 : oLocalMDMD.SetMetadata(oMDMD.GetMetadata(*papszIter),
4712 : *papszIter);
4713 : }
4714 340 : papszIter++;
4715 : }
4716 365 : if (m_nBandCountFromMetadata > 0)
4717 : {
4718 72 : oLocalMDMD.SetMetadataItem(
4719 : "BAND_COUNT", CPLSPrintf("%d", m_nBandCountFromMetadata),
4720 : "IMAGE_STRUCTURE");
4721 72 : if (nBands == 1)
4722 : {
4723 48 : const auto poCT = GetRasterBand(1)->GetColorTable();
4724 48 : if (poCT)
4725 : {
4726 16 : std::string osVal("{");
4727 8 : const int nColorCount = poCT->GetColorEntryCount();
4728 2056 : for (int i = 0; i < nColorCount; ++i)
4729 : {
4730 2048 : if (i > 0)
4731 2040 : osVal += ',';
4732 2048 : const GDALColorEntry *psEntry = poCT->GetColorEntry(i);
4733 : osVal +=
4734 2048 : CPLSPrintf("{%d,%d,%d,%d}", psEntry->c1,
4735 2048 : psEntry->c2, psEntry->c3, psEntry->c4);
4736 : }
4737 8 : osVal += '}';
4738 8 : oLocalMDMD.SetMetadataItem("COLOR_TABLE", osVal.c_str(),
4739 : "IMAGE_STRUCTURE");
4740 : }
4741 : }
4742 72 : if (nBands == 1)
4743 : {
4744 48 : const char *pszTILE_FORMAT = nullptr;
4745 48 : switch (m_eTF)
4746 : {
4747 0 : case GPKG_TF_PNG_JPEG:
4748 0 : pszTILE_FORMAT = "JPEG_PNG";
4749 0 : break;
4750 42 : case GPKG_TF_PNG:
4751 42 : break;
4752 0 : case GPKG_TF_PNG8:
4753 0 : pszTILE_FORMAT = "PNG8";
4754 0 : break;
4755 3 : case GPKG_TF_JPEG:
4756 3 : pszTILE_FORMAT = "JPEG";
4757 3 : break;
4758 3 : case GPKG_TF_WEBP:
4759 3 : pszTILE_FORMAT = "WEBP";
4760 3 : break;
4761 0 : case GPKG_TF_PNG_16BIT:
4762 0 : break;
4763 0 : case GPKG_TF_TIFF_32BIT_FLOAT:
4764 0 : break;
4765 : }
4766 48 : if (pszTILE_FORMAT)
4767 6 : oLocalMDMD.SetMetadataItem("TILE_FORMAT", pszTILE_FORMAT,
4768 : "IMAGE_STRUCTURE");
4769 : }
4770 : }
4771 507 : if (GetRasterCount() > 0 &&
4772 142 : GetRasterBand(1)->GetRasterDataType() == GDT_Byte)
4773 : {
4774 112 : int bHasNoData = FALSE;
4775 : const double dfNoDataValue =
4776 112 : GetRasterBand(1)->GetNoDataValue(&bHasNoData);
4777 112 : if (bHasNoData)
4778 : {
4779 3 : oLocalMDMD.SetMetadataItem("NODATA_VALUE",
4780 : CPLSPrintf("%.17g", dfNoDataValue),
4781 : "IMAGE_STRUCTURE");
4782 : }
4783 : }
4784 612 : for (int i = 1; i <= GetRasterCount(); ++i)
4785 : {
4786 : auto poBand =
4787 247 : cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(i));
4788 247 : poBand->AddImplicitStatistics(false);
4789 247 : char **papszMD = GetRasterBand(i)->GetMetadata();
4790 247 : poBand->AddImplicitStatistics(true);
4791 247 : if (papszMD)
4792 : {
4793 14 : oLocalMDMD.SetMetadata(papszMD, CPLSPrintf("BAND_%d", i));
4794 : }
4795 : }
4796 365 : psXMLNode = oLocalMDMD.Serialize();
4797 : }
4798 :
4799 365 : CSLDestroy(papszMDDup);
4800 365 : papszMDDup = nullptr;
4801 :
4802 365 : WriteMetadata(psXMLNode, m_osRasterTable.c_str());
4803 :
4804 365 : if (!m_osRasterTable.empty())
4805 : {
4806 : char **papszGeopackageMD =
4807 142 : GDALGeoPackageDataset::GetMetadata("GEOPACKAGE");
4808 :
4809 142 : papszMDDup = nullptr;
4810 151 : for (char **papszIter = papszGeopackageMD; papszIter && *papszIter;
4811 : ++papszIter)
4812 : {
4813 9 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4814 : }
4815 :
4816 284 : GDALMultiDomainMetadata oLocalMDMD;
4817 142 : oLocalMDMD.SetMetadata(papszMDDup);
4818 142 : CSLDestroy(papszMDDup);
4819 142 : papszMDDup = nullptr;
4820 142 : psXMLNode = oLocalMDMD.Serialize();
4821 :
4822 142 : WriteMetadata(psXMLNode, nullptr);
4823 : }
4824 :
4825 602 : for (auto &poLayer : m_apoLayers)
4826 : {
4827 237 : const char *pszIdentifier = poLayer->GetMetadataItem("IDENTIFIER");
4828 237 : const char *pszDescription = poLayer->GetMetadataItem("DESCRIPTION");
4829 237 : if (pszIdentifier != nullptr)
4830 : {
4831 : char *pszSQL =
4832 3 : sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' "
4833 : "WHERE lower(table_name) = lower('%q')",
4834 : pszIdentifier, poLayer->GetName());
4835 3 : SQLCommand(hDB, pszSQL);
4836 3 : sqlite3_free(pszSQL);
4837 : }
4838 237 : if (pszDescription != nullptr)
4839 : {
4840 : char *pszSQL =
4841 3 : sqlite3_mprintf("UPDATE gpkg_contents SET description = '%q' "
4842 : "WHERE lower(table_name) = lower('%q')",
4843 : pszDescription, poLayer->GetName());
4844 3 : SQLCommand(hDB, pszSQL);
4845 3 : sqlite3_free(pszSQL);
4846 : }
4847 :
4848 237 : papszMDDup = nullptr;
4849 625 : for (char **papszIter = poLayer->GetMetadata(); papszIter && *papszIter;
4850 : ++papszIter)
4851 : {
4852 388 : if (STARTS_WITH_CI(*papszIter, "IDENTIFIER="))
4853 3 : continue;
4854 385 : if (STARTS_WITH_CI(*papszIter, "DESCRIPTION="))
4855 3 : continue;
4856 382 : if (STARTS_WITH_CI(*papszIter, "OLMD_FID64="))
4857 0 : continue;
4858 382 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4859 : }
4860 :
4861 : {
4862 237 : GDALMultiDomainMetadata oLocalMDMD;
4863 237 : char **papszDomainList = poLayer->GetMetadataDomainList();
4864 237 : char **papszIter = papszDomainList;
4865 237 : oLocalMDMD.SetMetadata(papszMDDup);
4866 513 : while (papszIter && *papszIter)
4867 : {
4868 276 : if (!EQUAL(*papszIter, ""))
4869 60 : oLocalMDMD.SetMetadata(poLayer->GetMetadata(*papszIter),
4870 : *papszIter);
4871 276 : papszIter++;
4872 : }
4873 237 : CSLDestroy(papszDomainList);
4874 237 : psXMLNode = oLocalMDMD.Serialize();
4875 : }
4876 :
4877 237 : CSLDestroy(papszMDDup);
4878 237 : papszMDDup = nullptr;
4879 :
4880 237 : WriteMetadata(psXMLNode, poLayer->GetName());
4881 : }
4882 : }
4883 :
4884 : /************************************************************************/
4885 : /* GetMetadataItem() */
4886 : /************************************************************************/
4887 :
4888 1551 : const char *GDALGeoPackageDataset::GetMetadataItem(const char *pszName,
4889 : const char *pszDomain)
4890 : {
4891 1551 : pszDomain = CheckMetadataDomain(pszDomain);
4892 1551 : return CSLFetchNameValue(GetMetadata(pszDomain), pszName);
4893 : }
4894 :
4895 : /************************************************************************/
4896 : /* SetMetadata() */
4897 : /************************************************************************/
4898 :
4899 146 : CPLErr GDALGeoPackageDataset::SetMetadata(char **papszMetadata,
4900 : const char *pszDomain)
4901 : {
4902 146 : pszDomain = CheckMetadataDomain(pszDomain);
4903 146 : m_bMetadataDirty = true;
4904 146 : GetMetadata(); /* force loading from storage if needed */
4905 146 : return GDALPamDataset::SetMetadata(papszMetadata, pszDomain);
4906 : }
4907 :
4908 : /************************************************************************/
4909 : /* SetMetadataItem() */
4910 : /************************************************************************/
4911 :
4912 21 : CPLErr GDALGeoPackageDataset::SetMetadataItem(const char *pszName,
4913 : const char *pszValue,
4914 : const char *pszDomain)
4915 : {
4916 21 : pszDomain = CheckMetadataDomain(pszDomain);
4917 21 : m_bMetadataDirty = true;
4918 21 : GetMetadata(); /* force loading from storage if needed */
4919 21 : return GDALPamDataset::SetMetadataItem(pszName, pszValue, pszDomain);
4920 : }
4921 :
4922 : /************************************************************************/
4923 : /* Create() */
4924 : /************************************************************************/
4925 :
4926 892 : int GDALGeoPackageDataset::Create(const char *pszFilename, int nXSize,
4927 : int nYSize, int nBandsIn, GDALDataType eDT,
4928 : char **papszOptions)
4929 : {
4930 1784 : CPLString osCommand;
4931 :
4932 : /* First, ensure there isn't any such file yet. */
4933 : VSIStatBufL sStatBuf;
4934 :
4935 892 : if (nBandsIn != 0)
4936 : {
4937 224 : if (eDT == GDT_Byte)
4938 : {
4939 154 : if (nBandsIn != 1 && nBandsIn != 2 && nBandsIn != 3 &&
4940 : nBandsIn != 4)
4941 : {
4942 1 : CPLError(CE_Failure, CPLE_NotSupported,
4943 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), "
4944 : "3 (RGB) or 4 (RGBA) band dataset supported for "
4945 : "Byte datatype");
4946 1 : return FALSE;
4947 : }
4948 : }
4949 70 : else if (eDT == GDT_Int16 || eDT == GDT_UInt16 || eDT == GDT_Float32)
4950 : {
4951 43 : if (nBandsIn != 1)
4952 : {
4953 3 : CPLError(CE_Failure, CPLE_NotSupported,
4954 : "Only single band dataset supported for non Byte "
4955 : "datatype");
4956 3 : return FALSE;
4957 : }
4958 : }
4959 : else
4960 : {
4961 27 : CPLError(CE_Failure, CPLE_NotSupported,
4962 : "Only Byte, Int16, UInt16 or Float32 supported");
4963 27 : return FALSE;
4964 : }
4965 : }
4966 :
4967 861 : const size_t nFilenameLen = strlen(pszFilename);
4968 861 : const bool bGpkgZip =
4969 856 : (nFilenameLen > strlen(".gpkg.zip") &&
4970 1717 : !STARTS_WITH(pszFilename, "/vsizip/") &&
4971 856 : EQUAL(pszFilename + nFilenameLen - strlen(".gpkg.zip"), ".gpkg.zip"));
4972 :
4973 : const bool bUseTempFile =
4974 862 : bGpkgZip || (CPLTestBool(CPLGetConfigOption(
4975 1 : "CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE", "NO")) &&
4976 1 : (VSIHasOptimizedReadMultiRange(pszFilename) != FALSE ||
4977 1 : EQUAL(CPLGetConfigOption(
4978 : "CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE", ""),
4979 861 : "FORCED")));
4980 :
4981 861 : bool bFileExists = false;
4982 861 : if (VSIStatL(pszFilename, &sStatBuf) == 0)
4983 : {
4984 10 : bFileExists = true;
4985 20 : if (nBandsIn == 0 || bUseTempFile ||
4986 10 : !CPLTestBool(
4987 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")))
4988 : {
4989 0 : CPLError(CE_Failure, CPLE_AppDefined,
4990 : "A file system object called '%s' already exists.",
4991 : pszFilename);
4992 :
4993 0 : return FALSE;
4994 : }
4995 : }
4996 :
4997 861 : if (bUseTempFile)
4998 : {
4999 3 : if (bGpkgZip)
5000 : {
5001 2 : std::string osFilenameInZip(CPLGetFilename(pszFilename));
5002 2 : osFilenameInZip.resize(osFilenameInZip.size() - strlen(".zip"));
5003 : m_osFinalFilename =
5004 2 : std::string("/vsizip/{") + pszFilename + "}/" + osFilenameInZip;
5005 : }
5006 : else
5007 : {
5008 1 : m_osFinalFilename = pszFilename;
5009 : }
5010 3 : m_pszFilename = CPLStrdup(
5011 6 : CPLGenerateTempFilenameSafe(CPLGetFilename(pszFilename)).c_str());
5012 3 : CPLDebug("GPKG", "Creating temporary file %s", m_pszFilename);
5013 : }
5014 : else
5015 : {
5016 858 : m_pszFilename = CPLStrdup(pszFilename);
5017 : }
5018 861 : m_bNew = true;
5019 861 : eAccess = GA_Update;
5020 861 : m_bDateTimeWithTZ =
5021 861 : EQUAL(CSLFetchNameValueDef(papszOptions, "DATETIME_FORMAT", "WITH_TZ"),
5022 : "WITH_TZ");
5023 :
5024 : // for test/debug purposes only. true is the nominal value
5025 861 : m_bPNGSupports2Bands =
5026 861 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_2BANDS", "TRUE"));
5027 861 : m_bPNGSupportsCT =
5028 861 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_CT", "TRUE"));
5029 :
5030 861 : if (!OpenOrCreateDB(bFileExists
5031 : ? SQLITE_OPEN_READWRITE
5032 : : SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE))
5033 7 : return FALSE;
5034 :
5035 : /* Default to synchronous=off for performance for new file */
5036 1698 : if (!bFileExists &&
5037 844 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5038 : {
5039 345 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5040 : }
5041 :
5042 : /* OGR UTF-8 support. If we set the UTF-8 Pragma early on, it */
5043 : /* will be written into the main file and supported henceforth */
5044 854 : SQLCommand(hDB, "PRAGMA encoding = \"UTF-8\"");
5045 :
5046 854 : if (bFileExists)
5047 : {
5048 10 : VSILFILE *fp = VSIFOpenL(pszFilename, "rb");
5049 10 : if (fp)
5050 : {
5051 : GByte abyHeader[100];
5052 10 : VSIFReadL(abyHeader, 1, sizeof(abyHeader), fp);
5053 10 : VSIFCloseL(fp);
5054 :
5055 10 : memcpy(&m_nApplicationId, abyHeader + knApplicationIdPos, 4);
5056 10 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
5057 10 : memcpy(&m_nUserVersion, abyHeader + knUserVersionPos, 4);
5058 10 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
5059 :
5060 10 : if (m_nApplicationId == GP10_APPLICATION_ID)
5061 : {
5062 0 : CPLDebug("GPKG", "GeoPackage v1.0");
5063 : }
5064 10 : else if (m_nApplicationId == GP11_APPLICATION_ID)
5065 : {
5066 0 : CPLDebug("GPKG", "GeoPackage v1.1");
5067 : }
5068 10 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
5069 10 : m_nUserVersion >= GPKG_1_2_VERSION)
5070 : {
5071 10 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
5072 10 : (m_nUserVersion % 10000) / 100, m_nUserVersion % 100);
5073 : }
5074 : }
5075 :
5076 10 : DetectSpatialRefSysColumns();
5077 : }
5078 :
5079 854 : const char *pszVersion = CSLFetchNameValue(papszOptions, "VERSION");
5080 854 : if (pszVersion && !EQUAL(pszVersion, "AUTO"))
5081 : {
5082 40 : if (EQUAL(pszVersion, "1.0"))
5083 : {
5084 2 : m_nApplicationId = GP10_APPLICATION_ID;
5085 2 : m_nUserVersion = 0;
5086 : }
5087 38 : else if (EQUAL(pszVersion, "1.1"))
5088 : {
5089 1 : m_nApplicationId = GP11_APPLICATION_ID;
5090 1 : m_nUserVersion = 0;
5091 : }
5092 37 : else if (EQUAL(pszVersion, "1.2"))
5093 : {
5094 15 : m_nApplicationId = GPKG_APPLICATION_ID;
5095 15 : m_nUserVersion = GPKG_1_2_VERSION;
5096 : }
5097 22 : else if (EQUAL(pszVersion, "1.3"))
5098 : {
5099 3 : m_nApplicationId = GPKG_APPLICATION_ID;
5100 3 : m_nUserVersion = GPKG_1_3_VERSION;
5101 : }
5102 19 : else if (EQUAL(pszVersion, "1.4"))
5103 : {
5104 19 : m_nApplicationId = GPKG_APPLICATION_ID;
5105 19 : m_nUserVersion = GPKG_1_4_VERSION;
5106 : }
5107 : }
5108 :
5109 854 : SoftStartTransaction();
5110 :
5111 1708 : CPLString osSQL;
5112 854 : if (!bFileExists)
5113 : {
5114 : /* Requirement 10: A GeoPackage SHALL include a gpkg_spatial_ref_sys
5115 : * table */
5116 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5117 : osSQL = "CREATE TABLE gpkg_spatial_ref_sys ("
5118 : "srs_name TEXT NOT NULL,"
5119 : "srs_id INTEGER NOT NULL PRIMARY KEY,"
5120 : "organization TEXT NOT NULL,"
5121 : "organization_coordsys_id INTEGER NOT NULL,"
5122 : "definition TEXT NOT NULL,"
5123 844 : "description TEXT";
5124 844 : if (CPLTestBool(CSLFetchNameValueDef(papszOptions, "CRS_WKT_EXTENSION",
5125 1023 : "NO")) ||
5126 179 : (nBandsIn != 0 && eDT != GDT_Byte))
5127 : {
5128 42 : m_bHasDefinition12_063 = true;
5129 42 : osSQL += ", definition_12_063 TEXT NOT NULL";
5130 42 : if (m_nUserVersion >= GPKG_1_4_VERSION)
5131 : {
5132 40 : osSQL += ", epoch DOUBLE";
5133 40 : m_bHasEpochColumn = true;
5134 : }
5135 : }
5136 : osSQL += ")"
5137 : ";"
5138 : /* Requirement 11: The gpkg_spatial_ref_sys table in a
5139 : GeoPackage SHALL */
5140 : /* contain a record for EPSG:4326, the geodetic WGS84 SRS */
5141 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5142 :
5143 : "INSERT INTO gpkg_spatial_ref_sys ("
5144 : "srs_name, srs_id, organization, organization_coordsys_id, "
5145 844 : "definition, description";
5146 844 : if (m_bHasDefinition12_063)
5147 42 : osSQL += ", definition_12_063";
5148 : osSQL +=
5149 : ") VALUES ("
5150 : "'WGS 84 geodetic', 4326, 'EPSG', 4326, '"
5151 : "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS "
5152 : "84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],"
5153 : "AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY["
5154 : "\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY["
5155 : "\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\","
5156 : "EAST],AUTHORITY[\"EPSG\",\"4326\"]]"
5157 : "', 'longitude/latitude coordinates in decimal degrees on the WGS "
5158 844 : "84 spheroid'";
5159 844 : if (m_bHasDefinition12_063)
5160 : osSQL +=
5161 : ", 'GEODCRS[\"WGS 84\", DATUM[\"World Geodetic System 1984\", "
5162 : "ELLIPSOID[\"WGS 84\",6378137, 298.257223563, "
5163 : "LENGTHUNIT[\"metre\", 1.0]]], PRIMEM[\"Greenwich\", 0.0, "
5164 : "ANGLEUNIT[\"degree\",0.0174532925199433]], CS[ellipsoidal, "
5165 : "2], AXIS[\"latitude\", north, ORDER[1]], AXIS[\"longitude\", "
5166 : "east, ORDER[2]], ANGLEUNIT[\"degree\", 0.0174532925199433], "
5167 42 : "ID[\"EPSG\", 4326]]'";
5168 : osSQL +=
5169 : ")"
5170 : ";"
5171 : /* Requirement 11: The gpkg_spatial_ref_sys table in a GeoPackage
5172 : SHALL */
5173 : /* contain a record with an srs_id of -1, an organization of “NONE”,
5174 : */
5175 : /* an organization_coordsys_id of -1, and definition “undefined” */
5176 : /* for undefined Cartesian coordinate reference systems */
5177 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5178 : "INSERT INTO gpkg_spatial_ref_sys ("
5179 : "srs_name, srs_id, organization, organization_coordsys_id, "
5180 844 : "definition, description";
5181 844 : if (m_bHasDefinition12_063)
5182 42 : osSQL += ", definition_12_063";
5183 : osSQL += ") VALUES ("
5184 : "'Undefined Cartesian SRS', -1, 'NONE', -1, 'undefined', "
5185 844 : "'undefined Cartesian coordinate reference system'";
5186 844 : if (m_bHasDefinition12_063)
5187 42 : osSQL += ", 'undefined'";
5188 : osSQL +=
5189 : ")"
5190 : ";"
5191 : /* Requirement 11: The gpkg_spatial_ref_sys table in a GeoPackage
5192 : SHALL */
5193 : /* contain a record with an srs_id of 0, an organization of “NONE”,
5194 : */
5195 : /* an organization_coordsys_id of 0, and definition “undefined” */
5196 : /* for undefined geographic coordinate reference systems */
5197 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5198 : "INSERT INTO gpkg_spatial_ref_sys ("
5199 : "srs_name, srs_id, organization, organization_coordsys_id, "
5200 844 : "definition, description";
5201 844 : if (m_bHasDefinition12_063)
5202 42 : osSQL += ", definition_12_063";
5203 : osSQL += ") VALUES ("
5204 : "'Undefined geographic SRS', 0, 'NONE', 0, 'undefined', "
5205 844 : "'undefined geographic coordinate reference system'";
5206 844 : if (m_bHasDefinition12_063)
5207 42 : osSQL += ", 'undefined'";
5208 : osSQL += ")"
5209 : ";"
5210 : /* Requirement 13: A GeoPackage file SHALL include a
5211 : gpkg_contents table */
5212 : /* http://opengis.github.io/geopackage/#_contents */
5213 : "CREATE TABLE gpkg_contents ("
5214 : "table_name TEXT NOT NULL PRIMARY KEY,"
5215 : "data_type TEXT NOT NULL,"
5216 : "identifier TEXT UNIQUE,"
5217 : "description TEXT DEFAULT '',"
5218 : "last_change DATETIME NOT NULL DEFAULT "
5219 : "(strftime('%Y-%m-%dT%H:%M:%fZ','now')),"
5220 : "min_x DOUBLE, min_y DOUBLE,"
5221 : "max_x DOUBLE, max_y DOUBLE,"
5222 : "srs_id INTEGER,"
5223 : "CONSTRAINT fk_gc_r_srs_id FOREIGN KEY (srs_id) REFERENCES "
5224 : "gpkg_spatial_ref_sys(srs_id)"
5225 844 : ")";
5226 :
5227 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5228 844 : if (CPLFetchBool(papszOptions, "ADD_GPKG_OGR_CONTENTS", true))
5229 : {
5230 839 : m_bHasGPKGOGRContents = true;
5231 : osSQL += ";"
5232 : "CREATE TABLE gpkg_ogr_contents("
5233 : "table_name TEXT NOT NULL PRIMARY KEY,"
5234 : "feature_count INTEGER DEFAULT NULL"
5235 839 : ")";
5236 : }
5237 : #endif
5238 :
5239 : /* Requirement 21: A GeoPackage with a gpkg_contents table row with a
5240 : * “features” */
5241 : /* data_type SHALL contain a gpkg_geometry_columns table or updateable
5242 : * view */
5243 : /* http://opengis.github.io/geopackage/#_geometry_columns */
5244 : const bool bCreateGeometryColumns =
5245 844 : CPLTestBool(CPLGetConfigOption("CREATE_GEOMETRY_COLUMNS", "YES"));
5246 844 : if (bCreateGeometryColumns)
5247 : {
5248 843 : m_bHasGPKGGeometryColumns = true;
5249 843 : osSQL += ";";
5250 843 : osSQL += pszCREATE_GPKG_GEOMETRY_COLUMNS;
5251 : }
5252 : }
5253 :
5254 : const bool bCreateTriggers =
5255 854 : CPLTestBool(CPLGetConfigOption("CREATE_TRIGGERS", "YES"));
5256 10 : if ((bFileExists && nBandsIn != 0 &&
5257 10 : SQLGetInteger(
5258 : hDB,
5259 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_tile_matrix_set' "
5260 : "AND type in ('table', 'view')",
5261 1708 : nullptr) == 0) ||
5262 853 : (!bFileExists &&
5263 844 : CPLTestBool(CPLGetConfigOption("CREATE_RASTER_TABLES", "YES"))))
5264 : {
5265 844 : if (!osSQL.empty())
5266 843 : osSQL += ";";
5267 :
5268 : /* From C.5. gpkg_tile_matrix_set Table 28. gpkg_tile_matrix_set Table
5269 : * Creation SQL */
5270 : osSQL += "CREATE TABLE gpkg_tile_matrix_set ("
5271 : "table_name TEXT NOT NULL PRIMARY KEY,"
5272 : "srs_id INTEGER NOT NULL,"
5273 : "min_x DOUBLE NOT NULL,"
5274 : "min_y DOUBLE NOT NULL,"
5275 : "max_x DOUBLE NOT NULL,"
5276 : "max_y DOUBLE NOT NULL,"
5277 : "CONSTRAINT fk_gtms_table_name FOREIGN KEY (table_name) "
5278 : "REFERENCES gpkg_contents(table_name),"
5279 : "CONSTRAINT fk_gtms_srs FOREIGN KEY (srs_id) REFERENCES "
5280 : "gpkg_spatial_ref_sys (srs_id)"
5281 : ")"
5282 : ";"
5283 :
5284 : /* From C.6. gpkg_tile_matrix Table 29. gpkg_tile_matrix Table
5285 : Creation SQL */
5286 : "CREATE TABLE gpkg_tile_matrix ("
5287 : "table_name TEXT NOT NULL,"
5288 : "zoom_level INTEGER NOT NULL,"
5289 : "matrix_width INTEGER NOT NULL,"
5290 : "matrix_height INTEGER NOT NULL,"
5291 : "tile_width INTEGER NOT NULL,"
5292 : "tile_height INTEGER NOT NULL,"
5293 : "pixel_x_size DOUBLE NOT NULL,"
5294 : "pixel_y_size DOUBLE NOT NULL,"
5295 : "CONSTRAINT pk_ttm PRIMARY KEY (table_name, zoom_level),"
5296 : "CONSTRAINT fk_tmm_table_name FOREIGN KEY (table_name) "
5297 : "REFERENCES gpkg_contents(table_name)"
5298 844 : ")";
5299 :
5300 844 : if (bCreateTriggers)
5301 : {
5302 : /* From D.1. gpkg_tile_matrix Table 39. gpkg_tile_matrix Trigger
5303 : * Definition SQL */
5304 844 : const char *pszTileMatrixTrigger =
5305 : "CREATE TRIGGER 'gpkg_tile_matrix_zoom_level_insert' "
5306 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5307 : "FOR EACH ROW BEGIN "
5308 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5309 : "violates constraint: zoom_level cannot be less than 0') "
5310 : "WHERE (NEW.zoom_level < 0); "
5311 : "END; "
5312 : "CREATE TRIGGER 'gpkg_tile_matrix_zoom_level_update' "
5313 : "BEFORE UPDATE of zoom_level ON 'gpkg_tile_matrix' "
5314 : "FOR EACH ROW BEGIN "
5315 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5316 : "violates constraint: zoom_level cannot be less than 0') "
5317 : "WHERE (NEW.zoom_level < 0); "
5318 : "END; "
5319 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_width_insert' "
5320 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5321 : "FOR EACH ROW BEGIN "
5322 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5323 : "violates constraint: matrix_width cannot be less than 1') "
5324 : "WHERE (NEW.matrix_width < 1); "
5325 : "END; "
5326 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_width_update' "
5327 : "BEFORE UPDATE OF matrix_width ON 'gpkg_tile_matrix' "
5328 : "FOR EACH ROW BEGIN "
5329 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5330 : "violates constraint: matrix_width cannot be less than 1') "
5331 : "WHERE (NEW.matrix_width < 1); "
5332 : "END; "
5333 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_height_insert' "
5334 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5335 : "FOR EACH ROW BEGIN "
5336 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5337 : "violates constraint: matrix_height cannot be less than 1') "
5338 : "WHERE (NEW.matrix_height < 1); "
5339 : "END; "
5340 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_height_update' "
5341 : "BEFORE UPDATE OF matrix_height ON 'gpkg_tile_matrix' "
5342 : "FOR EACH ROW BEGIN "
5343 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5344 : "violates constraint: matrix_height cannot be less than 1') "
5345 : "WHERE (NEW.matrix_height < 1); "
5346 : "END; "
5347 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_x_size_insert' "
5348 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5349 : "FOR EACH ROW BEGIN "
5350 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5351 : "violates constraint: pixel_x_size must be greater than 0') "
5352 : "WHERE NOT (NEW.pixel_x_size > 0); "
5353 : "END; "
5354 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_x_size_update' "
5355 : "BEFORE UPDATE OF pixel_x_size ON 'gpkg_tile_matrix' "
5356 : "FOR EACH ROW BEGIN "
5357 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5358 : "violates constraint: pixel_x_size must be greater than 0') "
5359 : "WHERE NOT (NEW.pixel_x_size > 0); "
5360 : "END; "
5361 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_y_size_insert' "
5362 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5363 : "FOR EACH ROW BEGIN "
5364 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5365 : "violates constraint: pixel_y_size must be greater than 0') "
5366 : "WHERE NOT (NEW.pixel_y_size > 0); "
5367 : "END; "
5368 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_y_size_update' "
5369 : "BEFORE UPDATE OF pixel_y_size ON 'gpkg_tile_matrix' "
5370 : "FOR EACH ROW BEGIN "
5371 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5372 : "violates constraint: pixel_y_size must be greater than 0') "
5373 : "WHERE NOT (NEW.pixel_y_size > 0); "
5374 : "END;";
5375 844 : osSQL += ";";
5376 844 : osSQL += pszTileMatrixTrigger;
5377 : }
5378 : }
5379 :
5380 854 : if (!osSQL.empty() && OGRERR_NONE != SQLCommand(hDB, osSQL))
5381 1 : return FALSE;
5382 :
5383 853 : if (!bFileExists)
5384 : {
5385 : const char *pszMetadataTables =
5386 843 : CSLFetchNameValue(papszOptions, "METADATA_TABLES");
5387 843 : if (pszMetadataTables)
5388 9 : m_nCreateMetadataTables = int(CPLTestBool(pszMetadataTables));
5389 :
5390 843 : if (m_nCreateMetadataTables == TRUE && !CreateMetadataTables())
5391 0 : return FALSE;
5392 :
5393 843 : if (m_bHasDefinition12_063)
5394 : {
5395 84 : if (OGRERR_NONE != CreateExtensionsTableIfNecessary() ||
5396 : OGRERR_NONE !=
5397 42 : SQLCommand(hDB, "INSERT INTO gpkg_extensions "
5398 : "(table_name, column_name, extension_name, "
5399 : "definition, scope) "
5400 : "VALUES "
5401 : "('gpkg_spatial_ref_sys', "
5402 : "'definition_12_063', 'gpkg_crs_wkt', "
5403 : "'http://www.geopackage.org/spec120/"
5404 : "#extension_crs_wkt', 'read-write')"))
5405 : {
5406 0 : return FALSE;
5407 : }
5408 42 : if (m_bHasEpochColumn)
5409 : {
5410 40 : if (OGRERR_NONE !=
5411 40 : SQLCommand(
5412 : hDB, "UPDATE gpkg_extensions SET extension_name = "
5413 : "'gpkg_crs_wkt_1_1' "
5414 80 : "WHERE extension_name = 'gpkg_crs_wkt'") ||
5415 : OGRERR_NONE !=
5416 40 : SQLCommand(hDB, "INSERT INTO gpkg_extensions "
5417 : "(table_name, column_name, "
5418 : "extension_name, definition, scope) "
5419 : "VALUES "
5420 : "('gpkg_spatial_ref_sys', 'epoch', "
5421 : "'gpkg_crs_wkt_1_1', "
5422 : "'http://www.geopackage.org/spec/"
5423 : "#extension_crs_wkt', "
5424 : "'read-write')"))
5425 : {
5426 0 : return FALSE;
5427 : }
5428 : }
5429 : }
5430 : }
5431 :
5432 853 : if (nBandsIn != 0)
5433 : {
5434 188 : const std::string osTableName = CPLGetBasenameSafe(m_pszFilename);
5435 : m_osRasterTable = CSLFetchNameValueDef(papszOptions, "RASTER_TABLE",
5436 188 : osTableName.c_str());
5437 188 : if (m_osRasterTable.empty())
5438 : {
5439 0 : CPLError(CE_Failure, CPLE_AppDefined,
5440 : "RASTER_TABLE must be set to a non empty value");
5441 0 : return FALSE;
5442 : }
5443 188 : m_bIdentifierAsCO =
5444 188 : CSLFetchNameValue(papszOptions, "RASTER_IDENTIFIER") != nullptr;
5445 : m_osIdentifier = CSLFetchNameValueDef(papszOptions, "RASTER_IDENTIFIER",
5446 188 : m_osRasterTable);
5447 188 : m_bDescriptionAsCO =
5448 188 : CSLFetchNameValue(papszOptions, "RASTER_DESCRIPTION") != nullptr;
5449 : m_osDescription =
5450 188 : CSLFetchNameValueDef(papszOptions, "RASTER_DESCRIPTION", "");
5451 188 : SetDataType(eDT);
5452 188 : if (eDT == GDT_Int16)
5453 16 : SetGlobalOffsetScale(-32768.0, 1.0);
5454 :
5455 : /* From C.7. sample_tile_pyramid (Informative) Table 31. EXAMPLE: tiles
5456 : * table Create Table SQL (Informative) */
5457 : char *pszSQL =
5458 188 : sqlite3_mprintf("CREATE TABLE \"%w\" ("
5459 : "id INTEGER PRIMARY KEY AUTOINCREMENT,"
5460 : "zoom_level INTEGER NOT NULL,"
5461 : "tile_column INTEGER NOT NULL,"
5462 : "tile_row INTEGER NOT NULL,"
5463 : "tile_data BLOB NOT NULL,"
5464 : "UNIQUE (zoom_level, tile_column, tile_row)"
5465 : ")",
5466 : m_osRasterTable.c_str());
5467 188 : osSQL = pszSQL;
5468 188 : sqlite3_free(pszSQL);
5469 :
5470 188 : if (bCreateTriggers)
5471 : {
5472 188 : osSQL += ";";
5473 188 : osSQL += CreateRasterTriggersSQL(m_osRasterTable);
5474 : }
5475 :
5476 188 : OGRErr eErr = SQLCommand(hDB, osSQL);
5477 188 : if (OGRERR_NONE != eErr)
5478 0 : return FALSE;
5479 :
5480 188 : const char *pszTF = CSLFetchNameValue(papszOptions, "TILE_FORMAT");
5481 188 : if (eDT == GDT_Int16 || eDT == GDT_UInt16)
5482 : {
5483 27 : m_eTF = GPKG_TF_PNG_16BIT;
5484 27 : if (pszTF)
5485 : {
5486 1 : if (!EQUAL(pszTF, "AUTO") && !EQUAL(pszTF, "PNG"))
5487 : {
5488 0 : CPLError(CE_Warning, CPLE_NotSupported,
5489 : "Only AUTO or PNG supported "
5490 : "as tile format for Int16 / UInt16");
5491 : }
5492 : }
5493 : }
5494 161 : else if (eDT == GDT_Float32)
5495 : {
5496 13 : m_eTF = GPKG_TF_TIFF_32BIT_FLOAT;
5497 13 : if (pszTF)
5498 : {
5499 5 : if (EQUAL(pszTF, "PNG"))
5500 5 : m_eTF = GPKG_TF_PNG_16BIT;
5501 0 : else if (!EQUAL(pszTF, "AUTO") && !EQUAL(pszTF, "TIFF"))
5502 : {
5503 0 : CPLError(CE_Warning, CPLE_NotSupported,
5504 : "Only AUTO, PNG or TIFF supported "
5505 : "as tile format for Float32");
5506 : }
5507 : }
5508 : }
5509 : else
5510 : {
5511 148 : if (pszTF)
5512 : {
5513 71 : m_eTF = GDALGPKGMBTilesGetTileFormat(pszTF);
5514 71 : if (nBandsIn == 1 && m_eTF != GPKG_TF_PNG)
5515 7 : m_bMetadataDirty = true;
5516 : }
5517 77 : else if (nBandsIn == 1)
5518 66 : m_eTF = GPKG_TF_PNG;
5519 : }
5520 :
5521 188 : if (eDT != GDT_Byte)
5522 : {
5523 40 : if (!CreateTileGriddedTable(papszOptions))
5524 0 : return FALSE;
5525 : }
5526 :
5527 188 : nRasterXSize = nXSize;
5528 188 : nRasterYSize = nYSize;
5529 :
5530 : const char *pszTileSize =
5531 188 : CSLFetchNameValueDef(papszOptions, "BLOCKSIZE", "256");
5532 : const char *pszTileWidth =
5533 188 : CSLFetchNameValueDef(papszOptions, "BLOCKXSIZE", pszTileSize);
5534 : const char *pszTileHeight =
5535 188 : CSLFetchNameValueDef(papszOptions, "BLOCKYSIZE", pszTileSize);
5536 188 : int nTileWidth = atoi(pszTileWidth);
5537 188 : int nTileHeight = atoi(pszTileHeight);
5538 188 : if ((nTileWidth < 8 || nTileWidth > 4096 || nTileHeight < 8 ||
5539 376 : nTileHeight > 4096) &&
5540 1 : !CPLTestBool(CPLGetConfigOption("GPKG_ALLOW_CRAZY_SETTINGS", "NO")))
5541 : {
5542 0 : CPLError(CE_Failure, CPLE_AppDefined,
5543 : "Invalid block dimensions: %dx%d", nTileWidth,
5544 : nTileHeight);
5545 0 : return FALSE;
5546 : }
5547 :
5548 509 : for (int i = 1; i <= nBandsIn; i++)
5549 : {
5550 321 : SetBand(i, std::make_unique<GDALGeoPackageRasterBand>(
5551 : this, nTileWidth, nTileHeight));
5552 : }
5553 :
5554 188 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL",
5555 : "IMAGE_STRUCTURE");
5556 188 : GDALPamDataset::SetMetadataItem("IDENTIFIER", m_osIdentifier);
5557 188 : if (!m_osDescription.empty())
5558 1 : GDALPamDataset::SetMetadataItem("DESCRIPTION", m_osDescription);
5559 :
5560 188 : ParseCompressionOptions(papszOptions);
5561 :
5562 188 : if (m_eTF == GPKG_TF_WEBP)
5563 : {
5564 10 : if (!RegisterWebPExtension())
5565 0 : return FALSE;
5566 : }
5567 :
5568 : m_osTilingScheme =
5569 188 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5570 188 : if (!EQUAL(m_osTilingScheme, "CUSTOM"))
5571 : {
5572 22 : const auto poTS = GetTilingScheme(m_osTilingScheme);
5573 22 : if (!poTS)
5574 0 : return FALSE;
5575 :
5576 43 : if (nTileWidth != poTS->nTileWidth ||
5577 21 : nTileHeight != poTS->nTileHeight)
5578 : {
5579 2 : CPLError(CE_Failure, CPLE_NotSupported,
5580 : "Tile dimension should be %dx%d for %s tiling scheme",
5581 1 : poTS->nTileWidth, poTS->nTileHeight,
5582 : m_osTilingScheme.c_str());
5583 1 : return FALSE;
5584 : }
5585 :
5586 : const char *pszZoomLevel =
5587 21 : CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
5588 21 : if (pszZoomLevel)
5589 : {
5590 1 : m_nZoomLevel = atoi(pszZoomLevel);
5591 1 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
5592 1 : while ((1 << nMaxZoomLevelForThisTM) >
5593 2 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
5594 1 : (1 << nMaxZoomLevelForThisTM) >
5595 1 : INT_MAX / poTS->nTileYCountZoomLevel0)
5596 : {
5597 0 : --nMaxZoomLevelForThisTM;
5598 : }
5599 :
5600 1 : if (m_nZoomLevel < 0 || m_nZoomLevel > nMaxZoomLevelForThisTM)
5601 : {
5602 0 : CPLError(CE_Failure, CPLE_AppDefined,
5603 : "ZOOM_LEVEL = %s is invalid. It should be in "
5604 : "[0,%d] range",
5605 : pszZoomLevel, nMaxZoomLevelForThisTM);
5606 0 : return FALSE;
5607 : }
5608 : }
5609 :
5610 : // Implicitly sets SRS.
5611 21 : OGRSpatialReference oSRS;
5612 21 : if (oSRS.importFromEPSG(poTS->nEPSGCode) != OGRERR_NONE)
5613 0 : return FALSE;
5614 21 : char *pszWKT = nullptr;
5615 21 : oSRS.exportToWkt(&pszWKT);
5616 21 : SetProjection(pszWKT);
5617 21 : CPLFree(pszWKT);
5618 : }
5619 : else
5620 : {
5621 166 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5622 : {
5623 0 : CPLError(
5624 : CE_Failure, CPLE_NotSupported,
5625 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5626 0 : return false;
5627 : }
5628 : }
5629 : }
5630 :
5631 852 : if (bFileExists && nBandsIn > 0 && eDT == GDT_Byte)
5632 : {
5633 : // If there was an ogr_empty_table table, we can remove it
5634 9 : RemoveOGREmptyTable();
5635 : }
5636 :
5637 852 : SoftCommitTransaction();
5638 :
5639 : /* Requirement 2 */
5640 : /* We have to do this after there's some content so the database file */
5641 : /* is not zero length */
5642 852 : SetApplicationAndUserVersionId();
5643 :
5644 : /* Default to synchronous=off for performance for new file */
5645 1694 : if (!bFileExists &&
5646 842 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5647 : {
5648 345 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5649 : }
5650 :
5651 852 : return TRUE;
5652 : }
5653 :
5654 : /************************************************************************/
5655 : /* RemoveOGREmptyTable() */
5656 : /************************************************************************/
5657 :
5658 665 : void GDALGeoPackageDataset::RemoveOGREmptyTable()
5659 : {
5660 : // Run with sqlite3_exec since we don't want errors to be emitted
5661 665 : sqlite3_exec(hDB, "DROP TABLE IF EXISTS ogr_empty_table", nullptr, nullptr,
5662 : nullptr);
5663 665 : sqlite3_exec(
5664 : hDB, "DELETE FROM gpkg_contents WHERE table_name = 'ogr_empty_table'",
5665 : nullptr, nullptr, nullptr);
5666 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5667 665 : if (m_bHasGPKGOGRContents)
5668 : {
5669 651 : sqlite3_exec(hDB,
5670 : "DELETE FROM gpkg_ogr_contents WHERE "
5671 : "table_name = 'ogr_empty_table'",
5672 : nullptr, nullptr, nullptr);
5673 : }
5674 : #endif
5675 665 : sqlite3_exec(hDB,
5676 : "DELETE FROM gpkg_geometry_columns WHERE "
5677 : "table_name = 'ogr_empty_table'",
5678 : nullptr, nullptr, nullptr);
5679 665 : }
5680 :
5681 : /************************************************************************/
5682 : /* CreateTileGriddedTable() */
5683 : /************************************************************************/
5684 :
5685 40 : bool GDALGeoPackageDataset::CreateTileGriddedTable(char **papszOptions)
5686 : {
5687 80 : CPLString osSQL;
5688 40 : if (!HasGriddedCoverageAncillaryTable())
5689 : {
5690 : // It doesn't exist. So create gpkg_extensions table if necessary, and
5691 : // gpkg_2d_gridded_coverage_ancillary & gpkg_2d_gridded_tile_ancillary,
5692 : // and register them as extensions.
5693 40 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
5694 0 : return false;
5695 :
5696 : // Req 1 /table-defs/coverage-ancillary
5697 : osSQL = "CREATE TABLE gpkg_2d_gridded_coverage_ancillary ("
5698 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5699 : "tile_matrix_set_name TEXT NOT NULL UNIQUE,"
5700 : "datatype TEXT NOT NULL DEFAULT 'integer',"
5701 : "scale REAL NOT NULL DEFAULT 1.0,"
5702 : "offset REAL NOT NULL DEFAULT 0.0,"
5703 : "precision REAL DEFAULT 1.0,"
5704 : "data_null REAL,"
5705 : "grid_cell_encoding TEXT DEFAULT 'grid-value-is-center',"
5706 : "uom TEXT,"
5707 : "field_name TEXT DEFAULT 'Height',"
5708 : "quantity_definition TEXT DEFAULT 'Height',"
5709 : "CONSTRAINT fk_g2dgtct_name FOREIGN KEY(tile_matrix_set_name) "
5710 : "REFERENCES gpkg_tile_matrix_set ( table_name ) "
5711 : "CHECK (datatype in ('integer','float')))"
5712 : ";"
5713 : // Requirement 2 /table-defs/tile-ancillary
5714 : "CREATE TABLE gpkg_2d_gridded_tile_ancillary ("
5715 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5716 : "tpudt_name TEXT NOT NULL,"
5717 : "tpudt_id INTEGER NOT NULL,"
5718 : "scale REAL NOT NULL DEFAULT 1.0,"
5719 : "offset REAL NOT NULL DEFAULT 0.0,"
5720 : "min REAL DEFAULT NULL,"
5721 : "max REAL DEFAULT NULL,"
5722 : "mean REAL DEFAULT NULL,"
5723 : "std_dev REAL DEFAULT NULL,"
5724 : "CONSTRAINT fk_g2dgtat_name FOREIGN KEY (tpudt_name) "
5725 : "REFERENCES gpkg_contents(table_name),"
5726 : "UNIQUE (tpudt_name, tpudt_id))"
5727 : ";"
5728 : // Requirement 6 /gpkg-extensions
5729 : "INSERT INTO gpkg_extensions "
5730 : "(table_name, column_name, extension_name, definition, scope) "
5731 : "VALUES ('gpkg_2d_gridded_coverage_ancillary', NULL, "
5732 : "'gpkg_2d_gridded_coverage', "
5733 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5734 : "'read-write')"
5735 : ";"
5736 : // Requirement 6 /gpkg-extensions
5737 : "INSERT INTO gpkg_extensions "
5738 : "(table_name, column_name, extension_name, definition, scope) "
5739 : "VALUES ('gpkg_2d_gridded_tile_ancillary', NULL, "
5740 : "'gpkg_2d_gridded_coverage', "
5741 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5742 : "'read-write')"
5743 40 : ";";
5744 : }
5745 :
5746 : // Requirement 6 /gpkg-extensions
5747 40 : char *pszSQL = sqlite3_mprintf(
5748 : "INSERT INTO gpkg_extensions "
5749 : "(table_name, column_name, extension_name, definition, scope) "
5750 : "VALUES ('%q', 'tile_data', "
5751 : "'gpkg_2d_gridded_coverage', "
5752 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5753 : "'read-write')",
5754 : m_osRasterTable.c_str());
5755 40 : osSQL += pszSQL;
5756 40 : osSQL += ";";
5757 40 : sqlite3_free(pszSQL);
5758 :
5759 : // Requirement 7 /gpkg-2d-gridded-coverage-ancillary
5760 : // Requirement 8 /gpkg-2d-gridded-coverage-ancillary-set-name
5761 : // Requirement 9 /gpkg-2d-gridded-coverage-ancillary-datatype
5762 40 : m_dfPrecision =
5763 40 : CPLAtof(CSLFetchNameValueDef(papszOptions, "PRECISION", "1"));
5764 : CPLString osGridCellEncoding(CSLFetchNameValueDef(
5765 80 : papszOptions, "GRID_CELL_ENCODING", "grid-value-is-center"));
5766 40 : m_bGridCellEncodingAsCO =
5767 40 : CSLFetchNameValue(papszOptions, "GRID_CELL_ENCODING") != nullptr;
5768 80 : CPLString osUom(CSLFetchNameValueDef(papszOptions, "UOM", ""));
5769 : CPLString osFieldName(
5770 80 : CSLFetchNameValueDef(papszOptions, "FIELD_NAME", "Height"));
5771 : CPLString osQuantityDefinition(
5772 80 : CSLFetchNameValueDef(papszOptions, "QUANTITY_DEFINITION", "Height"));
5773 :
5774 121 : pszSQL = sqlite3_mprintf(
5775 : "INSERT INTO gpkg_2d_gridded_coverage_ancillary "
5776 : "(tile_matrix_set_name, datatype, scale, offset, precision, "
5777 : "grid_cell_encoding, uom, field_name, quantity_definition) "
5778 : "VALUES (%Q, '%s', %.17g, %.17g, %.17g, %Q, %Q, %Q, %Q)",
5779 : m_osRasterTable.c_str(),
5780 40 : (m_eTF == GPKG_TF_PNG_16BIT) ? "integer" : "float", m_dfScale,
5781 : m_dfOffset, m_dfPrecision, osGridCellEncoding.c_str(),
5782 41 : osUom.empty() ? nullptr : osUom.c_str(), osFieldName.c_str(),
5783 : osQuantityDefinition.c_str());
5784 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary = pszSQL;
5785 40 : sqlite3_free(pszSQL);
5786 :
5787 : // Requirement 3 /gpkg-spatial-ref-sys-row
5788 : auto oResultTable = SQLQuery(
5789 80 : hDB, "SELECT * FROM gpkg_spatial_ref_sys WHERE srs_id = 4979 LIMIT 2");
5790 40 : bool bHasEPSG4979 = (oResultTable && oResultTable->RowCount() == 1);
5791 40 : if (!bHasEPSG4979)
5792 : {
5793 41 : if (!m_bHasDefinition12_063 &&
5794 1 : !ConvertGpkgSpatialRefSysToExtensionWkt2(/*bForceEpoch=*/false))
5795 : {
5796 0 : return false;
5797 : }
5798 :
5799 : // This is WKT 2...
5800 40 : const char *pszWKT =
5801 : "GEODCRS[\"WGS 84\","
5802 : "DATUM[\"World Geodetic System 1984\","
5803 : " ELLIPSOID[\"WGS 84\",6378137,298.257223563,"
5804 : "LENGTHUNIT[\"metre\",1.0]]],"
5805 : "CS[ellipsoidal,3],"
5806 : " AXIS[\"latitude\",north,ORDER[1],ANGLEUNIT[\"degree\","
5807 : "0.0174532925199433]],"
5808 : " AXIS[\"longitude\",east,ORDER[2],ANGLEUNIT[\"degree\","
5809 : "0.0174532925199433]],"
5810 : " AXIS[\"ellipsoidal height\",up,ORDER[3],"
5811 : "LENGTHUNIT[\"metre\",1.0]],"
5812 : "ID[\"EPSG\",4979]]";
5813 :
5814 40 : pszSQL = sqlite3_mprintf(
5815 : "INSERT INTO gpkg_spatial_ref_sys "
5816 : "(srs_name,srs_id,organization,organization_coordsys_id,"
5817 : "definition,definition_12_063) VALUES "
5818 : "('WGS 84 3D', 4979, 'EPSG', 4979, 'undefined', '%q')",
5819 : pszWKT);
5820 40 : osSQL += ";";
5821 40 : osSQL += pszSQL;
5822 40 : sqlite3_free(pszSQL);
5823 : }
5824 :
5825 40 : return SQLCommand(hDB, osSQL) == OGRERR_NONE;
5826 : }
5827 :
5828 : /************************************************************************/
5829 : /* HasGriddedCoverageAncillaryTable() */
5830 : /************************************************************************/
5831 :
5832 44 : bool GDALGeoPackageDataset::HasGriddedCoverageAncillaryTable()
5833 : {
5834 : auto oResultTable = SQLQuery(
5835 : hDB, "SELECT * FROM sqlite_master WHERE type IN ('table', 'view') AND "
5836 44 : "name = 'gpkg_2d_gridded_coverage_ancillary'");
5837 44 : bool bHasTable = (oResultTable && oResultTable->RowCount() == 1);
5838 88 : return bHasTable;
5839 : }
5840 :
5841 : /************************************************************************/
5842 : /* GetUnderlyingDataset() */
5843 : /************************************************************************/
5844 :
5845 3 : static GDALDataset *GetUnderlyingDataset(GDALDataset *poSrcDS)
5846 : {
5847 3 : if (auto poVRTDS = dynamic_cast<VRTDataset *>(poSrcDS))
5848 : {
5849 0 : auto poTmpDS = poVRTDS->GetSingleSimpleSource();
5850 0 : if (poTmpDS)
5851 0 : return poTmpDS;
5852 : }
5853 :
5854 3 : return poSrcDS;
5855 : }
5856 :
5857 : /************************************************************************/
5858 : /* CreateCopy() */
5859 : /************************************************************************/
5860 :
5861 : typedef struct
5862 : {
5863 : const char *pszName;
5864 : GDALResampleAlg eResampleAlg;
5865 : } WarpResamplingAlg;
5866 :
5867 : static const WarpResamplingAlg asResamplingAlg[] = {
5868 : {"NEAREST", GRA_NearestNeighbour},
5869 : {"BILINEAR", GRA_Bilinear},
5870 : {"CUBIC", GRA_Cubic},
5871 : {"CUBICSPLINE", GRA_CubicSpline},
5872 : {"LANCZOS", GRA_Lanczos},
5873 : {"MODE", GRA_Mode},
5874 : {"AVERAGE", GRA_Average},
5875 : {"RMS", GRA_RMS},
5876 : };
5877 :
5878 160 : GDALDataset *GDALGeoPackageDataset::CreateCopy(const char *pszFilename,
5879 : GDALDataset *poSrcDS,
5880 : int bStrict, char **papszOptions,
5881 : GDALProgressFunc pfnProgress,
5882 : void *pProgressData)
5883 : {
5884 160 : const int nBands = poSrcDS->GetRasterCount();
5885 160 : if (nBands == 0)
5886 : {
5887 2 : GDALDataset *poDS = nullptr;
5888 : GDALDriver *poThisDriver =
5889 2 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5890 2 : if (poThisDriver != nullptr)
5891 : {
5892 2 : poDS = poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS,
5893 : bStrict, papszOptions,
5894 : pfnProgress, pProgressData);
5895 : }
5896 2 : return poDS;
5897 : }
5898 :
5899 : const char *pszTilingScheme =
5900 158 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5901 :
5902 316 : CPLStringList apszUpdatedOptions(CSLDuplicate(papszOptions));
5903 158 : if (CPLTestBool(
5904 164 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")) &&
5905 6 : CSLFetchNameValue(papszOptions, "RASTER_TABLE") == nullptr)
5906 : {
5907 : const std::string osBasename(CPLGetBasenameSafe(
5908 6 : GetUnderlyingDataset(poSrcDS)->GetDescription()));
5909 3 : apszUpdatedOptions.SetNameValue("RASTER_TABLE", osBasename.c_str());
5910 : }
5911 :
5912 158 : if (nBands != 1 && nBands != 2 && nBands != 3 && nBands != 4)
5913 : {
5914 1 : CPLError(CE_Failure, CPLE_NotSupported,
5915 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), 3 (RGB) or "
5916 : "4 (RGBA) band dataset supported");
5917 1 : return nullptr;
5918 : }
5919 :
5920 157 : const char *pszUnitType = poSrcDS->GetRasterBand(1)->GetUnitType();
5921 314 : if (CSLFetchNameValue(papszOptions, "UOM") == nullptr && pszUnitType &&
5922 157 : !EQUAL(pszUnitType, ""))
5923 : {
5924 1 : apszUpdatedOptions.SetNameValue("UOM", pszUnitType);
5925 : }
5926 :
5927 157 : if (EQUAL(pszTilingScheme, "CUSTOM"))
5928 : {
5929 133 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5930 : {
5931 0 : CPLError(CE_Failure, CPLE_NotSupported,
5932 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5933 0 : return nullptr;
5934 : }
5935 :
5936 133 : GDALGeoPackageDataset *poDS = nullptr;
5937 : GDALDriver *poThisDriver =
5938 133 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5939 133 : if (poThisDriver != nullptr)
5940 : {
5941 133 : apszUpdatedOptions.SetNameValue("SKIP_HOLES", "YES");
5942 133 : poDS = cpl::down_cast<GDALGeoPackageDataset *>(
5943 : poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS, bStrict,
5944 : apszUpdatedOptions, pfnProgress,
5945 133 : pProgressData));
5946 :
5947 246 : if (poDS != nullptr &&
5948 133 : poSrcDS->GetRasterBand(1)->GetRasterDataType() == GDT_Byte &&
5949 : nBands <= 3)
5950 : {
5951 73 : poDS->m_nBandCountFromMetadata = nBands;
5952 73 : poDS->m_bMetadataDirty = true;
5953 : }
5954 : }
5955 133 : if (poDS)
5956 113 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
5957 133 : return poDS;
5958 : }
5959 :
5960 48 : const auto poTS = GetTilingScheme(pszTilingScheme);
5961 24 : if (!poTS)
5962 : {
5963 2 : return nullptr;
5964 : }
5965 22 : const int nEPSGCode = poTS->nEPSGCode;
5966 :
5967 44 : OGRSpatialReference oSRS;
5968 22 : if (oSRS.importFromEPSG(nEPSGCode) != OGRERR_NONE)
5969 : {
5970 0 : return nullptr;
5971 : }
5972 22 : char *pszWKT = nullptr;
5973 22 : oSRS.exportToWkt(&pszWKT);
5974 22 : char **papszTO = CSLSetNameValue(nullptr, "DST_SRS", pszWKT);
5975 :
5976 22 : void *hTransformArg = nullptr;
5977 :
5978 : // Hack to compensate for GDALSuggestedWarpOutput2() failure (or not
5979 : // ideal suggestion with PROJ 8) when reprojecting latitude = +/- 90 to
5980 : // EPSG:3857.
5981 22 : GDALGeoTransform srcGT;
5982 22 : std::unique_ptr<GDALDataset> poTmpDS;
5983 22 : bool bEPSG3857Adjust = false;
5984 8 : if (nEPSGCode == 3857 && poSrcDS->GetGeoTransform(srcGT) == CE_None &&
5985 30 : srcGT[2] == 0 && srcGT[4] == 0 && srcGT[5] < 0)
5986 : {
5987 8 : const auto poSrcSRS = poSrcDS->GetSpatialRef();
5988 8 : if (poSrcSRS && poSrcSRS->IsGeographic())
5989 : {
5990 2 : double maxLat = srcGT[3];
5991 2 : double minLat = srcGT[3] + poSrcDS->GetRasterYSize() * srcGT[5];
5992 : // Corresponds to the latitude of below MAX_GM
5993 2 : constexpr double MAX_LAT = 85.0511287798066;
5994 2 : bool bModified = false;
5995 2 : if (maxLat > MAX_LAT)
5996 : {
5997 2 : maxLat = MAX_LAT;
5998 2 : bModified = true;
5999 : }
6000 2 : if (minLat < -MAX_LAT)
6001 : {
6002 2 : minLat = -MAX_LAT;
6003 2 : bModified = true;
6004 : }
6005 2 : if (bModified)
6006 : {
6007 4 : CPLStringList aosOptions;
6008 2 : aosOptions.AddString("-of");
6009 2 : aosOptions.AddString("VRT");
6010 2 : aosOptions.AddString("-projwin");
6011 2 : aosOptions.AddString(CPLSPrintf("%.17g", srcGT[0]));
6012 2 : aosOptions.AddString(CPLSPrintf("%.17g", maxLat));
6013 : aosOptions.AddString(CPLSPrintf(
6014 2 : "%.17g", srcGT[0] + poSrcDS->GetRasterXSize() * srcGT[1]));
6015 2 : aosOptions.AddString(CPLSPrintf("%.17g", minLat));
6016 : auto psOptions =
6017 2 : GDALTranslateOptionsNew(aosOptions.List(), nullptr);
6018 2 : poTmpDS.reset(GDALDataset::FromHandle(GDALTranslate(
6019 : "", GDALDataset::ToHandle(poSrcDS), psOptions, nullptr)));
6020 2 : GDALTranslateOptionsFree(psOptions);
6021 2 : if (poTmpDS)
6022 : {
6023 2 : bEPSG3857Adjust = true;
6024 2 : hTransformArg = GDALCreateGenImgProjTransformer2(
6025 2 : GDALDataset::FromHandle(poTmpDS.get()), nullptr,
6026 : papszTO);
6027 : }
6028 : }
6029 : }
6030 : }
6031 22 : if (hTransformArg == nullptr)
6032 : {
6033 : hTransformArg =
6034 20 : GDALCreateGenImgProjTransformer2(poSrcDS, nullptr, papszTO);
6035 : }
6036 :
6037 22 : if (hTransformArg == nullptr)
6038 : {
6039 1 : CPLFree(pszWKT);
6040 1 : CSLDestroy(papszTO);
6041 1 : return nullptr;
6042 : }
6043 :
6044 21 : GDALTransformerInfo *psInfo =
6045 : static_cast<GDALTransformerInfo *>(hTransformArg);
6046 21 : GDALGeoTransform gt;
6047 : double adfExtent[4];
6048 : int nXSize, nYSize;
6049 :
6050 21 : if (GDALSuggestedWarpOutput2(poSrcDS, psInfo->pfnTransform, hTransformArg,
6051 : gt.data(), &nXSize, &nYSize, adfExtent,
6052 21 : 0) != CE_None)
6053 : {
6054 0 : CPLFree(pszWKT);
6055 0 : CSLDestroy(papszTO);
6056 0 : GDALDestroyGenImgProjTransformer(hTransformArg);
6057 0 : return nullptr;
6058 : }
6059 :
6060 21 : GDALDestroyGenImgProjTransformer(hTransformArg);
6061 21 : hTransformArg = nullptr;
6062 21 : poTmpDS.reset();
6063 :
6064 21 : if (bEPSG3857Adjust)
6065 : {
6066 2 : constexpr double SPHERICAL_RADIUS = 6378137.0;
6067 2 : constexpr double MAX_GM =
6068 : SPHERICAL_RADIUS * M_PI; // 20037508.342789244
6069 2 : double maxNorthing = gt[3];
6070 2 : double minNorthing = gt[3] + gt[5] * nYSize;
6071 2 : bool bChanged = false;
6072 2 : if (maxNorthing > MAX_GM)
6073 : {
6074 2 : bChanged = true;
6075 2 : maxNorthing = MAX_GM;
6076 : }
6077 2 : if (minNorthing < -MAX_GM)
6078 : {
6079 2 : bChanged = true;
6080 2 : minNorthing = -MAX_GM;
6081 : }
6082 2 : if (bChanged)
6083 : {
6084 2 : gt[3] = maxNorthing;
6085 2 : nYSize = int((maxNorthing - minNorthing) / (-gt[5]) + 0.5);
6086 2 : adfExtent[1] = maxNorthing + nYSize * gt[5];
6087 2 : adfExtent[3] = maxNorthing;
6088 : }
6089 : }
6090 :
6091 21 : double dfComputedRes = gt[1];
6092 21 : double dfPrevRes = 0.0;
6093 21 : double dfRes = 0.0;
6094 21 : int nZoomLevel = 0; // Used after for.
6095 21 : const char *pszZoomLevel = CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
6096 21 : if (pszZoomLevel)
6097 : {
6098 2 : nZoomLevel = atoi(pszZoomLevel);
6099 :
6100 2 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
6101 2 : while ((1 << nMaxZoomLevelForThisTM) >
6102 4 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
6103 2 : (1 << nMaxZoomLevelForThisTM) >
6104 2 : INT_MAX / poTS->nTileYCountZoomLevel0)
6105 : {
6106 0 : --nMaxZoomLevelForThisTM;
6107 : }
6108 :
6109 2 : if (nZoomLevel < 0 || nZoomLevel > nMaxZoomLevelForThisTM)
6110 : {
6111 1 : CPLError(CE_Failure, CPLE_AppDefined,
6112 : "ZOOM_LEVEL = %s is invalid. It should be in [0,%d] range",
6113 : pszZoomLevel, nMaxZoomLevelForThisTM);
6114 1 : CPLFree(pszWKT);
6115 1 : CSLDestroy(papszTO);
6116 1 : return nullptr;
6117 : }
6118 : }
6119 : else
6120 : {
6121 171 : for (; nZoomLevel < MAX_ZOOM_LEVEL; nZoomLevel++)
6122 : {
6123 171 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6124 171 : if (dfComputedRes > dfRes ||
6125 152 : fabs(dfComputedRes - dfRes) / dfRes <= 1e-8)
6126 : break;
6127 152 : dfPrevRes = dfRes;
6128 : }
6129 38 : if (nZoomLevel == MAX_ZOOM_LEVEL ||
6130 38 : (1 << nZoomLevel) > INT_MAX / poTS->nTileXCountZoomLevel0 ||
6131 19 : (1 << nZoomLevel) > INT_MAX / poTS->nTileYCountZoomLevel0)
6132 : {
6133 0 : CPLError(CE_Failure, CPLE_AppDefined,
6134 : "Could not find an appropriate zoom level");
6135 0 : CPLFree(pszWKT);
6136 0 : CSLDestroy(papszTO);
6137 0 : return nullptr;
6138 : }
6139 :
6140 19 : if (nZoomLevel > 0 && fabs(dfComputedRes - dfRes) / dfRes > 1e-8)
6141 : {
6142 17 : const char *pszZoomLevelStrategy = CSLFetchNameValueDef(
6143 : papszOptions, "ZOOM_LEVEL_STRATEGY", "AUTO");
6144 17 : if (EQUAL(pszZoomLevelStrategy, "LOWER"))
6145 : {
6146 1 : nZoomLevel--;
6147 : }
6148 16 : else if (EQUAL(pszZoomLevelStrategy, "UPPER"))
6149 : {
6150 : /* do nothing */
6151 : }
6152 : else
6153 : {
6154 15 : if (dfPrevRes / dfComputedRes < dfComputedRes / dfRes)
6155 13 : nZoomLevel--;
6156 : }
6157 : }
6158 : }
6159 :
6160 20 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6161 :
6162 20 : double dfMinX = adfExtent[0];
6163 20 : double dfMinY = adfExtent[1];
6164 20 : double dfMaxX = adfExtent[2];
6165 20 : double dfMaxY = adfExtent[3];
6166 :
6167 20 : nXSize = static_cast<int>(0.5 + (dfMaxX - dfMinX) / dfRes);
6168 20 : nYSize = static_cast<int>(0.5 + (dfMaxY - dfMinY) / dfRes);
6169 20 : gt[1] = dfRes;
6170 20 : gt[5] = -dfRes;
6171 :
6172 20 : const GDALDataType eDT = poSrcDS->GetRasterBand(1)->GetRasterDataType();
6173 20 : int nTargetBands = nBands;
6174 : /* For grey level or RGB, if there's reprojection involved, add an alpha */
6175 : /* channel */
6176 37 : if (eDT == GDT_Byte &&
6177 13 : ((nBands == 1 &&
6178 17 : poSrcDS->GetRasterBand(1)->GetColorTable() == nullptr) ||
6179 : nBands == 3))
6180 : {
6181 30 : OGRSpatialReference oSrcSRS;
6182 15 : oSrcSRS.SetFromUserInput(poSrcDS->GetProjectionRef());
6183 15 : oSrcSRS.AutoIdentifyEPSG();
6184 30 : if (oSrcSRS.GetAuthorityCode(nullptr) == nullptr ||
6185 15 : atoi(oSrcSRS.GetAuthorityCode(nullptr)) != nEPSGCode)
6186 : {
6187 13 : nTargetBands++;
6188 : }
6189 : }
6190 :
6191 20 : GDALResampleAlg eResampleAlg = GRA_Bilinear;
6192 20 : const char *pszResampling = CSLFetchNameValue(papszOptions, "RESAMPLING");
6193 20 : if (pszResampling)
6194 : {
6195 6 : for (size_t iAlg = 0;
6196 6 : iAlg < sizeof(asResamplingAlg) / sizeof(asResamplingAlg[0]);
6197 : iAlg++)
6198 : {
6199 6 : if (EQUAL(pszResampling, asResamplingAlg[iAlg].pszName))
6200 : {
6201 3 : eResampleAlg = asResamplingAlg[iAlg].eResampleAlg;
6202 3 : break;
6203 : }
6204 : }
6205 : }
6206 :
6207 16 : if (nBands == 1 && poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr &&
6208 36 : eResampleAlg != GRA_NearestNeighbour && eResampleAlg != GRA_Mode)
6209 : {
6210 0 : CPLError(
6211 : CE_Warning, CPLE_AppDefined,
6212 : "Input dataset has a color table, which will likely lead to "
6213 : "bad results when using a resampling method other than "
6214 : "nearest neighbour or mode. Converting the dataset to 24/32 bit "
6215 : "(e.g. with gdal_translate -expand rgb/rgba) is advised.");
6216 : }
6217 :
6218 40 : auto poDS = std::make_unique<GDALGeoPackageDataset>();
6219 20 : if (!(poDS->Create(pszFilename, nXSize, nYSize, nTargetBands, eDT,
6220 : apszUpdatedOptions)))
6221 : {
6222 1 : CPLFree(pszWKT);
6223 1 : CSLDestroy(papszTO);
6224 1 : return nullptr;
6225 : }
6226 :
6227 : // Assign nodata values before the SetGeoTransform call.
6228 : // SetGeoTransform will trigger creation of the overview datasets for each
6229 : // zoom level and at that point the nodata value needs to be known.
6230 19 : int bHasNoData = FALSE;
6231 : double dfNoDataValue =
6232 19 : poSrcDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
6233 19 : if (eDT != GDT_Byte && bHasNoData)
6234 : {
6235 3 : poDS->GetRasterBand(1)->SetNoDataValue(dfNoDataValue);
6236 : }
6237 :
6238 19 : poDS->SetGeoTransform(gt);
6239 19 : poDS->SetProjection(pszWKT);
6240 19 : CPLFree(pszWKT);
6241 19 : pszWKT = nullptr;
6242 24 : if (nTargetBands == 1 && nBands == 1 &&
6243 5 : poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr)
6244 : {
6245 2 : poDS->GetRasterBand(1)->SetColorTable(
6246 1 : poSrcDS->GetRasterBand(1)->GetColorTable());
6247 : }
6248 :
6249 : hTransformArg =
6250 19 : GDALCreateGenImgProjTransformer2(poSrcDS, poDS.get(), papszTO);
6251 19 : CSLDestroy(papszTO);
6252 19 : if (hTransformArg == nullptr)
6253 : {
6254 0 : return nullptr;
6255 : }
6256 :
6257 19 : poDS->SetMetadata(poSrcDS->GetMetadata());
6258 :
6259 : /* -------------------------------------------------------------------- */
6260 : /* Warp the transformer with a linear approximator */
6261 : /* -------------------------------------------------------------------- */
6262 19 : hTransformArg = GDALCreateApproxTransformer(GDALGenImgProjTransform,
6263 : hTransformArg, 0.125);
6264 19 : GDALApproxTransformerOwnsSubtransformer(hTransformArg, TRUE);
6265 :
6266 : /* -------------------------------------------------------------------- */
6267 : /* Setup warp options. */
6268 : /* -------------------------------------------------------------------- */
6269 19 : GDALWarpOptions *psWO = GDALCreateWarpOptions();
6270 :
6271 19 : psWO->papszWarpOptions = CSLSetNameValue(nullptr, "OPTIMIZE_SIZE", "YES");
6272 19 : psWO->papszWarpOptions =
6273 19 : CSLSetNameValue(psWO->papszWarpOptions, "SAMPLE_GRID", "YES");
6274 19 : if (bHasNoData)
6275 : {
6276 3 : if (dfNoDataValue == 0.0)
6277 : {
6278 : // Do not initialize in the case where nodata != 0, since we
6279 : // want the GeoPackage driver to return empty tiles at the nodata
6280 : // value instead of 0 as GDAL core would
6281 0 : psWO->papszWarpOptions =
6282 0 : CSLSetNameValue(psWO->papszWarpOptions, "INIT_DEST", "0");
6283 : }
6284 :
6285 3 : psWO->padfSrcNoDataReal =
6286 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6287 3 : psWO->padfSrcNoDataReal[0] = dfNoDataValue;
6288 :
6289 3 : psWO->padfDstNoDataReal =
6290 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6291 3 : psWO->padfDstNoDataReal[0] = dfNoDataValue;
6292 : }
6293 19 : psWO->eWorkingDataType = eDT;
6294 19 : psWO->eResampleAlg = eResampleAlg;
6295 :
6296 19 : psWO->hSrcDS = poSrcDS;
6297 19 : psWO->hDstDS = poDS.get();
6298 :
6299 19 : psWO->pfnTransformer = GDALApproxTransform;
6300 19 : psWO->pTransformerArg = hTransformArg;
6301 :
6302 19 : psWO->pfnProgress = pfnProgress;
6303 19 : psWO->pProgressArg = pProgressData;
6304 :
6305 : /* -------------------------------------------------------------------- */
6306 : /* Setup band mapping. */
6307 : /* -------------------------------------------------------------------- */
6308 :
6309 19 : if (nBands == 2 || nBands == 4)
6310 1 : psWO->nBandCount = nBands - 1;
6311 : else
6312 18 : psWO->nBandCount = nBands;
6313 :
6314 19 : psWO->panSrcBands =
6315 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6316 19 : psWO->panDstBands =
6317 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6318 :
6319 46 : for (int i = 0; i < psWO->nBandCount; i++)
6320 : {
6321 27 : psWO->panSrcBands[i] = i + 1;
6322 27 : psWO->panDstBands[i] = i + 1;
6323 : }
6324 :
6325 19 : if (nBands == 2 || nBands == 4)
6326 : {
6327 1 : psWO->nSrcAlphaBand = nBands;
6328 : }
6329 19 : if (nTargetBands == 2 || nTargetBands == 4)
6330 : {
6331 13 : psWO->nDstAlphaBand = nTargetBands;
6332 : }
6333 :
6334 : /* -------------------------------------------------------------------- */
6335 : /* Initialize and execute the warp. */
6336 : /* -------------------------------------------------------------------- */
6337 38 : GDALWarpOperation oWO;
6338 :
6339 19 : CPLErr eErr = oWO.Initialize(psWO);
6340 19 : if (eErr == CE_None)
6341 : {
6342 : /*if( bMulti )
6343 : eErr = oWO.ChunkAndWarpMulti( 0, 0, nXSize, nYSize );
6344 : else*/
6345 19 : eErr = oWO.ChunkAndWarpImage(0, 0, nXSize, nYSize);
6346 : }
6347 19 : if (eErr != CE_None)
6348 : {
6349 0 : poDS.reset();
6350 : }
6351 :
6352 19 : GDALDestroyTransformer(hTransformArg);
6353 19 : GDALDestroyWarpOptions(psWO);
6354 :
6355 19 : if (poDS)
6356 19 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
6357 :
6358 19 : return poDS.release();
6359 : }
6360 :
6361 : /************************************************************************/
6362 : /* ParseCompressionOptions() */
6363 : /************************************************************************/
6364 :
6365 456 : void GDALGeoPackageDataset::ParseCompressionOptions(char **papszOptions)
6366 : {
6367 456 : const char *pszZLevel = CSLFetchNameValue(papszOptions, "ZLEVEL");
6368 456 : if (pszZLevel)
6369 0 : m_nZLevel = atoi(pszZLevel);
6370 :
6371 456 : const char *pszQuality = CSLFetchNameValue(papszOptions, "QUALITY");
6372 456 : if (pszQuality)
6373 0 : m_nQuality = atoi(pszQuality);
6374 :
6375 456 : const char *pszDither = CSLFetchNameValue(papszOptions, "DITHER");
6376 456 : if (pszDither)
6377 0 : m_bDither = CPLTestBool(pszDither);
6378 456 : }
6379 :
6380 : /************************************************************************/
6381 : /* RegisterWebPExtension() */
6382 : /************************************************************************/
6383 :
6384 11 : bool GDALGeoPackageDataset::RegisterWebPExtension()
6385 : {
6386 11 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6387 0 : return false;
6388 :
6389 11 : char *pszSQL = sqlite3_mprintf(
6390 : "INSERT INTO gpkg_extensions "
6391 : "(table_name, column_name, extension_name, definition, scope) "
6392 : "VALUES "
6393 : "('%q', 'tile_data', 'gpkg_webp', "
6394 : "'http://www.geopackage.org/spec120/#extension_tiles_webp', "
6395 : "'read-write')",
6396 : m_osRasterTable.c_str());
6397 11 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6398 11 : sqlite3_free(pszSQL);
6399 :
6400 11 : return OGRERR_NONE == eErr;
6401 : }
6402 :
6403 : /************************************************************************/
6404 : /* RegisterZoomOtherExtension() */
6405 : /************************************************************************/
6406 :
6407 1 : bool GDALGeoPackageDataset::RegisterZoomOtherExtension()
6408 : {
6409 1 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6410 0 : return false;
6411 :
6412 1 : char *pszSQL = sqlite3_mprintf(
6413 : "INSERT INTO gpkg_extensions "
6414 : "(table_name, column_name, extension_name, definition, scope) "
6415 : "VALUES "
6416 : "('%q', 'tile_data', 'gpkg_zoom_other', "
6417 : "'http://www.geopackage.org/spec120/#extension_zoom_other_intervals', "
6418 : "'read-write')",
6419 : m_osRasterTable.c_str());
6420 1 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6421 1 : sqlite3_free(pszSQL);
6422 1 : return OGRERR_NONE == eErr;
6423 : }
6424 :
6425 : /************************************************************************/
6426 : /* GetLayer() */
6427 : /************************************************************************/
6428 :
6429 15432 : OGRLayer *GDALGeoPackageDataset::GetLayer(int iLayer)
6430 :
6431 : {
6432 15432 : if (iLayer < 0 || iLayer >= static_cast<int>(m_apoLayers.size()))
6433 6 : return nullptr;
6434 : else
6435 15426 : return m_apoLayers[iLayer].get();
6436 : }
6437 :
6438 : /************************************************************************/
6439 : /* LaunderName() */
6440 : /************************************************************************/
6441 :
6442 : /** Launder identifiers (table, column names) according to guidance at
6443 : * https://www.geopackage.org/guidance/getting-started.html:
6444 : * "For maximum interoperability, start your database identifiers (table names,
6445 : * column names, etc.) with a lowercase character and only use lowercase
6446 : * characters, numbers 0-9, and underscores (_)."
6447 : */
6448 :
6449 : /* static */
6450 5 : std::string GDALGeoPackageDataset::LaunderName(const std::string &osStr)
6451 : {
6452 5 : char *pszASCII = CPLUTF8ForceToASCII(osStr.c_str(), '_');
6453 10 : const std::string osStrASCII(pszASCII);
6454 5 : CPLFree(pszASCII);
6455 :
6456 10 : std::string osRet;
6457 5 : osRet.reserve(osStrASCII.size());
6458 :
6459 29 : for (size_t i = 0; i < osStrASCII.size(); ++i)
6460 : {
6461 24 : if (osRet.empty())
6462 : {
6463 5 : if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6464 : {
6465 2 : osRet += (osStrASCII[i] - 'A' + 'a');
6466 : }
6467 3 : else if (osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z')
6468 : {
6469 2 : osRet += osStrASCII[i];
6470 : }
6471 : else
6472 : {
6473 1 : continue;
6474 : }
6475 : }
6476 19 : else if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6477 : {
6478 11 : osRet += (osStrASCII[i] - 'A' + 'a');
6479 : }
6480 9 : else if ((osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z') ||
6481 14 : (osStrASCII[i] >= '0' && osStrASCII[i] <= '9') ||
6482 5 : osStrASCII[i] == '_')
6483 : {
6484 7 : osRet += osStrASCII[i];
6485 : }
6486 : else
6487 : {
6488 1 : osRet += '_';
6489 : }
6490 : }
6491 :
6492 5 : if (osRet.empty() && !osStrASCII.empty())
6493 2 : return LaunderName(std::string("x").append(osStrASCII));
6494 :
6495 4 : if (osRet != osStr)
6496 : {
6497 3 : CPLDebug("PG", "LaunderName('%s') -> '%s'", osStr.c_str(),
6498 : osRet.c_str());
6499 : }
6500 :
6501 4 : return osRet;
6502 : }
6503 :
6504 : /************************************************************************/
6505 : /* ICreateLayer() */
6506 : /************************************************************************/
6507 :
6508 : OGRLayer *
6509 757 : GDALGeoPackageDataset::ICreateLayer(const char *pszLayerName,
6510 : const OGRGeomFieldDefn *poSrcGeomFieldDefn,
6511 : CSLConstList papszOptions)
6512 : {
6513 : /* -------------------------------------------------------------------- */
6514 : /* Verify we are in update mode. */
6515 : /* -------------------------------------------------------------------- */
6516 757 : if (!GetUpdate())
6517 : {
6518 0 : CPLError(CE_Failure, CPLE_NoWriteAccess,
6519 : "Data source %s opened read-only.\n"
6520 : "New layer %s cannot be created.\n",
6521 : m_pszFilename, pszLayerName);
6522 :
6523 0 : return nullptr;
6524 : }
6525 :
6526 : const bool bLaunder =
6527 757 : CPLTestBool(CSLFetchNameValueDef(papszOptions, "LAUNDER", "NO"));
6528 : const std::string osTableName(bLaunder ? LaunderName(pszLayerName)
6529 2271 : : std::string(pszLayerName));
6530 :
6531 : const auto eGType =
6532 757 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetType() : wkbNone;
6533 : const auto poSpatialRef =
6534 757 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetSpatialRef() : nullptr;
6535 :
6536 757 : if (!m_bHasGPKGGeometryColumns)
6537 : {
6538 1 : if (SQLCommand(hDB, pszCREATE_GPKG_GEOMETRY_COLUMNS) != OGRERR_NONE)
6539 : {
6540 0 : return nullptr;
6541 : }
6542 1 : m_bHasGPKGGeometryColumns = true;
6543 : }
6544 :
6545 : // Check identifier unicity
6546 757 : const char *pszIdentifier = CSLFetchNameValue(papszOptions, "IDENTIFIER");
6547 757 : if (pszIdentifier != nullptr && pszIdentifier[0] == '\0')
6548 0 : pszIdentifier = nullptr;
6549 757 : if (pszIdentifier != nullptr)
6550 : {
6551 13 : for (auto &poLayer : m_apoLayers)
6552 : {
6553 : const char *pszOtherIdentifier =
6554 9 : poLayer->GetMetadataItem("IDENTIFIER");
6555 9 : if (pszOtherIdentifier == nullptr)
6556 6 : pszOtherIdentifier = poLayer->GetName();
6557 18 : if (pszOtherIdentifier != nullptr &&
6558 12 : EQUAL(pszOtherIdentifier, pszIdentifier) &&
6559 3 : !EQUAL(poLayer->GetName(), osTableName.c_str()))
6560 : {
6561 2 : CPLError(CE_Failure, CPLE_AppDefined,
6562 : "Identifier %s is already used by table %s",
6563 : pszIdentifier, poLayer->GetName());
6564 2 : return nullptr;
6565 : }
6566 : }
6567 :
6568 : // In case there would be table in gpkg_contents not listed as a
6569 : // vector layer
6570 4 : char *pszSQL = sqlite3_mprintf(
6571 : "SELECT table_name FROM gpkg_contents WHERE identifier = '%q' "
6572 : "LIMIT 2",
6573 : pszIdentifier);
6574 4 : auto oResult = SQLQuery(hDB, pszSQL);
6575 4 : sqlite3_free(pszSQL);
6576 8 : if (oResult && oResult->RowCount() > 0 &&
6577 9 : oResult->GetValue(0, 0) != nullptr &&
6578 1 : !EQUAL(oResult->GetValue(0, 0), osTableName.c_str()))
6579 : {
6580 1 : CPLError(CE_Failure, CPLE_AppDefined,
6581 : "Identifier %s is already used by table %s", pszIdentifier,
6582 : oResult->GetValue(0, 0));
6583 1 : return nullptr;
6584 : }
6585 : }
6586 :
6587 : /* Read GEOMETRY_NAME option */
6588 : const char *pszGeomColumnName =
6589 754 : CSLFetchNameValue(papszOptions, "GEOMETRY_NAME");
6590 754 : if (pszGeomColumnName == nullptr) /* deprecated name */
6591 673 : pszGeomColumnName = CSLFetchNameValue(papszOptions, "GEOMETRY_COLUMN");
6592 754 : if (pszGeomColumnName == nullptr && poSrcGeomFieldDefn)
6593 : {
6594 621 : pszGeomColumnName = poSrcGeomFieldDefn->GetNameRef();
6595 621 : if (pszGeomColumnName && pszGeomColumnName[0] == 0)
6596 617 : pszGeomColumnName = nullptr;
6597 : }
6598 754 : if (pszGeomColumnName == nullptr)
6599 669 : pszGeomColumnName = "geom";
6600 : const bool bGeomNullable =
6601 754 : CPLFetchBool(papszOptions, "GEOMETRY_NULLABLE", true);
6602 :
6603 : /* Read FID option */
6604 754 : const char *pszFIDColumnName = CSLFetchNameValue(papszOptions, "FID");
6605 754 : if (pszFIDColumnName == nullptr)
6606 718 : pszFIDColumnName = "fid";
6607 :
6608 754 : if (CPLTestBool(CPLGetConfigOption("GPKG_NAME_CHECK", "YES")))
6609 : {
6610 754 : if (strspn(pszFIDColumnName, "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") > 0)
6611 : {
6612 1 : CPLError(CE_Failure, CPLE_AppDefined,
6613 : "The primary key (%s) name may not contain special "
6614 : "characters or spaces",
6615 : pszFIDColumnName);
6616 1 : return nullptr;
6617 : }
6618 :
6619 : /* Avoiding gpkg prefixes is not an official requirement, but seems wise
6620 : */
6621 753 : if (STARTS_WITH(osTableName.c_str(), "gpkg"))
6622 : {
6623 0 : CPLError(CE_Failure, CPLE_AppDefined,
6624 : "The layer name may not begin with 'gpkg' as it is a "
6625 : "reserved geopackage prefix");
6626 0 : return nullptr;
6627 : }
6628 :
6629 : /* Preemptively try and avoid sqlite3 syntax errors due to */
6630 : /* illegal characters. */
6631 753 : if (strspn(osTableName.c_str(), "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") >
6632 : 0)
6633 : {
6634 0 : CPLError(
6635 : CE_Failure, CPLE_AppDefined,
6636 : "The layer name may not contain special characters or spaces");
6637 0 : return nullptr;
6638 : }
6639 : }
6640 :
6641 : /* Check for any existing layers that already use this name */
6642 957 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6643 : iLayer++)
6644 : {
6645 205 : if (EQUAL(osTableName.c_str(), m_apoLayers[iLayer]->GetName()))
6646 : {
6647 : const char *pszOverwrite =
6648 2 : CSLFetchNameValue(papszOptions, "OVERWRITE");
6649 2 : if (pszOverwrite != nullptr && CPLTestBool(pszOverwrite))
6650 : {
6651 1 : DeleteLayer(iLayer);
6652 : }
6653 : else
6654 : {
6655 1 : CPLError(CE_Failure, CPLE_AppDefined,
6656 : "Layer %s already exists, CreateLayer failed.\n"
6657 : "Use the layer creation option OVERWRITE=YES to "
6658 : "replace it.",
6659 : osTableName.c_str());
6660 1 : return nullptr;
6661 : }
6662 : }
6663 : }
6664 :
6665 752 : if (m_apoLayers.size() == 1)
6666 : {
6667 : // Async RTree building doesn't play well with multiple layer:
6668 : // SQLite3 locks being hold for a long time, random failed commits,
6669 : // etc.
6670 78 : m_apoLayers[0]->FinishOrDisableThreadedRTree();
6671 : }
6672 :
6673 : /* Create a blank layer. */
6674 : auto poLayer =
6675 1504 : std::make_unique<OGRGeoPackageTableLayer>(this, osTableName.c_str());
6676 :
6677 752 : OGRSpatialReference *poSRS = nullptr;
6678 752 : if (poSpatialRef)
6679 : {
6680 241 : poSRS = poSpatialRef->Clone();
6681 241 : poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
6682 : }
6683 1505 : poLayer->SetCreationParameters(
6684 : eGType,
6685 753 : bLaunder ? LaunderName(pszGeomColumnName).c_str() : pszGeomColumnName,
6686 : bGeomNullable, poSRS, CSLFetchNameValue(papszOptions, "SRID"),
6687 1504 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetCoordinatePrecision()
6688 : : OGRGeomCoordinatePrecision(),
6689 752 : CPLTestBool(
6690 : CSLFetchNameValueDef(papszOptions, "DISCARD_COORD_LSB", "NO")),
6691 752 : CPLTestBool(CSLFetchNameValueDef(
6692 : papszOptions, "UNDO_DISCARD_COORD_LSB_ON_READING", "NO")),
6693 753 : bLaunder ? LaunderName(pszFIDColumnName).c_str() : pszFIDColumnName,
6694 : pszIdentifier, CSLFetchNameValue(papszOptions, "DESCRIPTION"));
6695 752 : if (poSRS)
6696 : {
6697 241 : poSRS->Release();
6698 : }
6699 :
6700 752 : poLayer->SetLaunder(bLaunder);
6701 :
6702 : /* Should we create a spatial index ? */
6703 752 : const char *pszSI = CSLFetchNameValue(papszOptions, "SPATIAL_INDEX");
6704 752 : int bCreateSpatialIndex = (pszSI == nullptr || CPLTestBool(pszSI));
6705 752 : if (eGType != wkbNone && bCreateSpatialIndex)
6706 : {
6707 678 : poLayer->SetDeferredSpatialIndexCreation(true);
6708 : }
6709 :
6710 752 : poLayer->SetPrecisionFlag(CPLFetchBool(papszOptions, "PRECISION", true));
6711 752 : poLayer->SetTruncateFieldsFlag(
6712 752 : CPLFetchBool(papszOptions, "TRUNCATE_FIELDS", false));
6713 752 : if (eGType == wkbNone)
6714 : {
6715 52 : const char *pszASpatialVariant = CSLFetchNameValueDef(
6716 : papszOptions, "ASPATIAL_VARIANT",
6717 52 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound
6718 : ? "NOT_REGISTERED"
6719 : : "GPKG_ATTRIBUTES");
6720 52 : GPKGASpatialVariant eASpatialVariant = GPKG_ATTRIBUTES;
6721 52 : if (EQUAL(pszASpatialVariant, "GPKG_ATTRIBUTES"))
6722 40 : eASpatialVariant = GPKG_ATTRIBUTES;
6723 12 : else if (EQUAL(pszASpatialVariant, "OGR_ASPATIAL"))
6724 : {
6725 0 : CPLError(CE_Failure, CPLE_NotSupported,
6726 : "ASPATIAL_VARIANT=OGR_ASPATIAL is no longer supported");
6727 0 : return nullptr;
6728 : }
6729 12 : else if (EQUAL(pszASpatialVariant, "NOT_REGISTERED"))
6730 12 : eASpatialVariant = NOT_REGISTERED;
6731 : else
6732 : {
6733 0 : CPLError(CE_Failure, CPLE_NotSupported,
6734 : "Unsupported value for ASPATIAL_VARIANT: %s",
6735 : pszASpatialVariant);
6736 0 : return nullptr;
6737 : }
6738 52 : poLayer->SetASpatialVariant(eASpatialVariant);
6739 : }
6740 :
6741 : const char *pszDateTimePrecision =
6742 752 : CSLFetchNameValueDef(papszOptions, "DATETIME_PRECISION", "AUTO");
6743 752 : if (EQUAL(pszDateTimePrecision, "MILLISECOND"))
6744 : {
6745 2 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6746 : }
6747 750 : else if (EQUAL(pszDateTimePrecision, "SECOND"))
6748 : {
6749 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6750 0 : CPLError(
6751 : CE_Warning, CPLE_AppDefined,
6752 : "DATETIME_PRECISION=SECOND is only valid since GeoPackage 1.4");
6753 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::SECOND);
6754 : }
6755 749 : else if (EQUAL(pszDateTimePrecision, "MINUTE"))
6756 : {
6757 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6758 0 : CPLError(
6759 : CE_Warning, CPLE_AppDefined,
6760 : "DATETIME_PRECISION=MINUTE is only valid since GeoPackage 1.4");
6761 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MINUTE);
6762 : }
6763 748 : else if (EQUAL(pszDateTimePrecision, "AUTO"))
6764 : {
6765 747 : if (m_nUserVersion < GPKG_1_4_VERSION)
6766 13 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6767 : }
6768 : else
6769 : {
6770 1 : CPLError(CE_Failure, CPLE_NotSupported,
6771 : "Unsupported value for DATETIME_PRECISION: %s",
6772 : pszDateTimePrecision);
6773 1 : return nullptr;
6774 : }
6775 :
6776 : // If there was an ogr_empty_table table, we can remove it
6777 : // But do it at dataset closing, otherwise locking performance issues
6778 : // can arise (probably when transactions are used).
6779 751 : m_bRemoveOGREmptyTable = true;
6780 :
6781 751 : m_apoLayers.emplace_back(std::move(poLayer));
6782 751 : return m_apoLayers.back().get();
6783 : }
6784 :
6785 : /************************************************************************/
6786 : /* FindLayerIndex() */
6787 : /************************************************************************/
6788 :
6789 27 : int GDALGeoPackageDataset::FindLayerIndex(const char *pszLayerName)
6790 :
6791 : {
6792 42 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6793 : iLayer++)
6794 : {
6795 28 : if (EQUAL(pszLayerName, m_apoLayers[iLayer]->GetName()))
6796 13 : return iLayer;
6797 : }
6798 14 : return -1;
6799 : }
6800 :
6801 : /************************************************************************/
6802 : /* DeleteLayerCommon() */
6803 : /************************************************************************/
6804 :
6805 40 : OGRErr GDALGeoPackageDataset::DeleteLayerCommon(const char *pszLayerName)
6806 : {
6807 : // Temporary remove foreign key checks
6808 : const GPKGTemporaryForeignKeyCheckDisabler
6809 40 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6810 :
6811 40 : char *pszSQL = sqlite3_mprintf(
6812 : "DELETE FROM gpkg_contents WHERE lower(table_name) = lower('%q')",
6813 : pszLayerName);
6814 40 : OGRErr eErr = SQLCommand(hDB, pszSQL);
6815 40 : sqlite3_free(pszSQL);
6816 :
6817 40 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6818 : {
6819 38 : pszSQL = sqlite3_mprintf(
6820 : "DELETE FROM gpkg_extensions WHERE lower(table_name) = lower('%q')",
6821 : pszLayerName);
6822 38 : eErr = SQLCommand(hDB, pszSQL);
6823 38 : sqlite3_free(pszSQL);
6824 : }
6825 :
6826 40 : if (eErr == OGRERR_NONE && HasMetadataTables())
6827 : {
6828 : // Delete from gpkg_metadata metadata records that are only referenced
6829 : // by the table we are about to drop
6830 11 : pszSQL = sqlite3_mprintf(
6831 : "DELETE FROM gpkg_metadata WHERE id IN ("
6832 : "SELECT DISTINCT md_file_id FROM "
6833 : "gpkg_metadata_reference WHERE "
6834 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6835 : "AND id NOT IN ("
6836 : "SELECT DISTINCT md_file_id FROM gpkg_metadata_reference WHERE "
6837 : "md_file_id IN (SELECT DISTINCT md_file_id FROM "
6838 : "gpkg_metadata_reference WHERE "
6839 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6840 : "AND lower(table_name) <> lower('%q'))",
6841 : pszLayerName, pszLayerName, pszLayerName);
6842 11 : eErr = SQLCommand(hDB, pszSQL);
6843 11 : sqlite3_free(pszSQL);
6844 :
6845 11 : if (eErr == OGRERR_NONE)
6846 : {
6847 : pszSQL =
6848 11 : sqlite3_mprintf("DELETE FROM gpkg_metadata_reference WHERE "
6849 : "lower(table_name) = lower('%q')",
6850 : pszLayerName);
6851 11 : eErr = SQLCommand(hDB, pszSQL);
6852 11 : sqlite3_free(pszSQL);
6853 : }
6854 : }
6855 :
6856 40 : if (eErr == OGRERR_NONE && HasGpkgextRelationsTable())
6857 : {
6858 : // Remove reference to potential corresponding mapping table in
6859 : // gpkg_extensions
6860 4 : pszSQL = sqlite3_mprintf(
6861 : "DELETE FROM gpkg_extensions WHERE "
6862 : "extension_name IN ('related_tables', "
6863 : "'gpkg_related_tables') AND lower(table_name) = "
6864 : "(SELECT lower(mapping_table_name) FROM gpkgext_relations WHERE "
6865 : "lower(base_table_name) = lower('%q') OR "
6866 : "lower(related_table_name) = lower('%q') OR "
6867 : "lower(mapping_table_name) = lower('%q'))",
6868 : pszLayerName, pszLayerName, pszLayerName);
6869 4 : eErr = SQLCommand(hDB, pszSQL);
6870 4 : sqlite3_free(pszSQL);
6871 :
6872 4 : if (eErr == OGRERR_NONE)
6873 : {
6874 : // Remove reference to potential corresponding mapping table in
6875 : // gpkgext_relations
6876 : pszSQL =
6877 4 : sqlite3_mprintf("DELETE FROM gpkgext_relations WHERE "
6878 : "lower(base_table_name) = lower('%q') OR "
6879 : "lower(related_table_name) = lower('%q') OR "
6880 : "lower(mapping_table_name) = lower('%q')",
6881 : pszLayerName, pszLayerName, pszLayerName);
6882 4 : eErr = SQLCommand(hDB, pszSQL);
6883 4 : sqlite3_free(pszSQL);
6884 : }
6885 :
6886 4 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6887 : {
6888 : // If there is no longer any mapping table, then completely
6889 : // remove any reference to the extension in gpkg_extensions
6890 : // as mandated per the related table specification.
6891 : OGRErr err;
6892 4 : if (SQLGetInteger(hDB,
6893 : "SELECT COUNT(*) FROM gpkg_extensions WHERE "
6894 : "extension_name IN ('related_tables', "
6895 : "'gpkg_related_tables') AND "
6896 : "lower(table_name) != 'gpkgext_relations'",
6897 4 : &err) == 0)
6898 : {
6899 2 : eErr = SQLCommand(hDB, "DELETE FROM gpkg_extensions WHERE "
6900 : "extension_name IN ('related_tables', "
6901 : "'gpkg_related_tables')");
6902 : }
6903 :
6904 4 : ClearCachedRelationships();
6905 : }
6906 : }
6907 :
6908 40 : if (eErr == OGRERR_NONE)
6909 : {
6910 40 : pszSQL = sqlite3_mprintf("DROP TABLE \"%w\"", pszLayerName);
6911 40 : eErr = SQLCommand(hDB, pszSQL);
6912 40 : sqlite3_free(pszSQL);
6913 : }
6914 :
6915 : // Check foreign key integrity
6916 40 : if (eErr == OGRERR_NONE)
6917 : {
6918 40 : eErr = PragmaCheck("foreign_key_check", "", 0);
6919 : }
6920 :
6921 80 : return eErr;
6922 : }
6923 :
6924 : /************************************************************************/
6925 : /* DeleteLayer() */
6926 : /************************************************************************/
6927 :
6928 37 : OGRErr GDALGeoPackageDataset::DeleteLayer(int iLayer)
6929 : {
6930 73 : if (!GetUpdate() || iLayer < 0 ||
6931 36 : iLayer >= static_cast<int>(m_apoLayers.size()))
6932 2 : return OGRERR_FAILURE;
6933 :
6934 35 : m_apoLayers[iLayer]->ResetReading();
6935 35 : m_apoLayers[iLayer]->SyncToDisk();
6936 :
6937 70 : CPLString osLayerName = m_apoLayers[iLayer]->GetName();
6938 :
6939 35 : CPLDebug("GPKG", "DeleteLayer(%s)", osLayerName.c_str());
6940 :
6941 : // Temporary remove foreign key checks
6942 : const GPKGTemporaryForeignKeyCheckDisabler
6943 35 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6944 :
6945 35 : OGRErr eErr = SoftStartTransaction();
6946 :
6947 35 : if (eErr == OGRERR_NONE)
6948 : {
6949 35 : if (m_apoLayers[iLayer]->HasSpatialIndex())
6950 32 : m_apoLayers[iLayer]->DropSpatialIndex();
6951 :
6952 : char *pszSQL =
6953 35 : sqlite3_mprintf("DELETE FROM gpkg_geometry_columns WHERE "
6954 : "lower(table_name) = lower('%q')",
6955 : osLayerName.c_str());
6956 35 : eErr = SQLCommand(hDB, pszSQL);
6957 35 : sqlite3_free(pszSQL);
6958 : }
6959 :
6960 35 : if (eErr == OGRERR_NONE && HasDataColumnsTable())
6961 : {
6962 1 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_data_columns WHERE "
6963 : "lower(table_name) = lower('%q')",
6964 : osLayerName.c_str());
6965 1 : eErr = SQLCommand(hDB, pszSQL);
6966 1 : sqlite3_free(pszSQL);
6967 : }
6968 :
6969 : #ifdef ENABLE_GPKG_OGR_CONTENTS
6970 35 : if (eErr == OGRERR_NONE && m_bHasGPKGOGRContents)
6971 : {
6972 35 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_ogr_contents WHERE "
6973 : "lower(table_name) = lower('%q')",
6974 : osLayerName.c_str());
6975 35 : eErr = SQLCommand(hDB, pszSQL);
6976 35 : sqlite3_free(pszSQL);
6977 : }
6978 : #endif
6979 :
6980 35 : if (eErr == OGRERR_NONE)
6981 : {
6982 35 : eErr = DeleteLayerCommon(osLayerName.c_str());
6983 : }
6984 :
6985 35 : if (eErr == OGRERR_NONE)
6986 : {
6987 35 : eErr = SoftCommitTransaction();
6988 35 : if (eErr == OGRERR_NONE)
6989 : {
6990 : /* Delete the layer object */
6991 35 : m_apoLayers.erase(m_apoLayers.begin() + iLayer);
6992 : }
6993 : }
6994 : else
6995 : {
6996 0 : SoftRollbackTransaction();
6997 : }
6998 :
6999 35 : return eErr;
7000 : }
7001 :
7002 : /************************************************************************/
7003 : /* DeleteRasterLayer() */
7004 : /************************************************************************/
7005 :
7006 2 : OGRErr GDALGeoPackageDataset::DeleteRasterLayer(const char *pszLayerName)
7007 : {
7008 : // Temporary remove foreign key checks
7009 : const GPKGTemporaryForeignKeyCheckDisabler
7010 2 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7011 :
7012 2 : OGRErr eErr = SoftStartTransaction();
7013 :
7014 2 : if (eErr == OGRERR_NONE)
7015 : {
7016 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix WHERE "
7017 : "lower(table_name) = lower('%q')",
7018 : pszLayerName);
7019 2 : eErr = SQLCommand(hDB, pszSQL);
7020 2 : sqlite3_free(pszSQL);
7021 : }
7022 :
7023 2 : if (eErr == OGRERR_NONE)
7024 : {
7025 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix_set WHERE "
7026 : "lower(table_name) = lower('%q')",
7027 : pszLayerName);
7028 2 : eErr = SQLCommand(hDB, pszSQL);
7029 2 : sqlite3_free(pszSQL);
7030 : }
7031 :
7032 2 : if (eErr == OGRERR_NONE && HasGriddedCoverageAncillaryTable())
7033 : {
7034 : char *pszSQL =
7035 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_coverage_ancillary "
7036 : "WHERE lower(tile_matrix_set_name) = lower('%q')",
7037 : pszLayerName);
7038 1 : eErr = SQLCommand(hDB, pszSQL);
7039 1 : sqlite3_free(pszSQL);
7040 :
7041 1 : if (eErr == OGRERR_NONE)
7042 : {
7043 : pszSQL =
7044 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_tile_ancillary "
7045 : "WHERE lower(tpudt_name) = lower('%q')",
7046 : pszLayerName);
7047 1 : eErr = SQLCommand(hDB, pszSQL);
7048 1 : sqlite3_free(pszSQL);
7049 : }
7050 : }
7051 :
7052 2 : if (eErr == OGRERR_NONE)
7053 : {
7054 2 : eErr = DeleteLayerCommon(pszLayerName);
7055 : }
7056 :
7057 2 : if (eErr == OGRERR_NONE)
7058 : {
7059 2 : eErr = SoftCommitTransaction();
7060 : }
7061 : else
7062 : {
7063 0 : SoftRollbackTransaction();
7064 : }
7065 :
7066 4 : return eErr;
7067 : }
7068 :
7069 : /************************************************************************/
7070 : /* DeleteVectorOrRasterLayer() */
7071 : /************************************************************************/
7072 :
7073 13 : bool GDALGeoPackageDataset::DeleteVectorOrRasterLayer(const char *pszLayerName)
7074 : {
7075 :
7076 13 : int idx = FindLayerIndex(pszLayerName);
7077 13 : if (idx >= 0)
7078 : {
7079 5 : DeleteLayer(idx);
7080 5 : return true;
7081 : }
7082 :
7083 : char *pszSQL =
7084 8 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7085 : "lower(table_name) = lower('%q') "
7086 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7087 : pszLayerName);
7088 8 : bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7089 8 : sqlite3_free(pszSQL);
7090 8 : if (bIsRasterTable)
7091 : {
7092 2 : DeleteRasterLayer(pszLayerName);
7093 2 : return true;
7094 : }
7095 6 : return false;
7096 : }
7097 :
7098 7 : bool GDALGeoPackageDataset::RenameVectorOrRasterLayer(
7099 : const char *pszLayerName, const char *pszNewLayerName)
7100 : {
7101 7 : int idx = FindLayerIndex(pszLayerName);
7102 7 : if (idx >= 0)
7103 : {
7104 4 : m_apoLayers[idx]->Rename(pszNewLayerName);
7105 4 : return true;
7106 : }
7107 :
7108 : char *pszSQL =
7109 3 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7110 : "lower(table_name) = lower('%q') "
7111 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7112 : pszLayerName);
7113 3 : const bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7114 3 : sqlite3_free(pszSQL);
7115 :
7116 3 : if (bIsRasterTable)
7117 : {
7118 2 : return RenameRasterLayer(pszLayerName, pszNewLayerName);
7119 : }
7120 :
7121 1 : return false;
7122 : }
7123 :
7124 2 : bool GDALGeoPackageDataset::RenameRasterLayer(const char *pszLayerName,
7125 : const char *pszNewLayerName)
7126 : {
7127 4 : std::string osSQL;
7128 :
7129 2 : char *pszSQL = sqlite3_mprintf(
7130 : "SELECT 1 FROM sqlite_master WHERE lower(name) = lower('%q') "
7131 : "AND type IN ('table', 'view')",
7132 : pszNewLayerName);
7133 2 : const bool bAlreadyExists = SQLGetInteger(GetDB(), pszSQL, nullptr) == 1;
7134 2 : sqlite3_free(pszSQL);
7135 2 : if (bAlreadyExists)
7136 : {
7137 0 : CPLError(CE_Failure, CPLE_AppDefined, "Table %s already exists",
7138 : pszNewLayerName);
7139 0 : return false;
7140 : }
7141 :
7142 : // Temporary remove foreign key checks
7143 : const GPKGTemporaryForeignKeyCheckDisabler
7144 4 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7145 :
7146 2 : if (SoftStartTransaction() != OGRERR_NONE)
7147 : {
7148 0 : return false;
7149 : }
7150 :
7151 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET table_name = '%q' WHERE "
7152 : "lower(table_name) = lower('%q');",
7153 : pszNewLayerName, pszLayerName);
7154 2 : osSQL = pszSQL;
7155 2 : sqlite3_free(pszSQL);
7156 :
7157 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' WHERE "
7158 : "lower(identifier) = lower('%q');",
7159 : pszNewLayerName, pszLayerName);
7160 2 : osSQL += pszSQL;
7161 2 : sqlite3_free(pszSQL);
7162 :
7163 : pszSQL =
7164 2 : sqlite3_mprintf("UPDATE gpkg_tile_matrix SET table_name = '%q' WHERE "
7165 : "lower(table_name) = lower('%q');",
7166 : pszNewLayerName, pszLayerName);
7167 2 : osSQL += pszSQL;
7168 2 : sqlite3_free(pszSQL);
7169 :
7170 2 : pszSQL = sqlite3_mprintf(
7171 : "UPDATE gpkg_tile_matrix_set SET table_name = '%q' WHERE "
7172 : "lower(table_name) = lower('%q');",
7173 : pszNewLayerName, pszLayerName);
7174 2 : osSQL += pszSQL;
7175 2 : sqlite3_free(pszSQL);
7176 :
7177 2 : if (HasGriddedCoverageAncillaryTable())
7178 : {
7179 1 : pszSQL = sqlite3_mprintf("UPDATE gpkg_2d_gridded_coverage_ancillary "
7180 : "SET tile_matrix_set_name = '%q' WHERE "
7181 : "lower(tile_matrix_set_name) = lower('%q');",
7182 : pszNewLayerName, pszLayerName);
7183 1 : osSQL += pszSQL;
7184 1 : sqlite3_free(pszSQL);
7185 :
7186 1 : pszSQL = sqlite3_mprintf(
7187 : "UPDATE gpkg_2d_gridded_tile_ancillary SET tpudt_name = '%q' WHERE "
7188 : "lower(tpudt_name) = lower('%q');",
7189 : pszNewLayerName, pszLayerName);
7190 1 : osSQL += pszSQL;
7191 1 : sqlite3_free(pszSQL);
7192 : }
7193 :
7194 2 : if (HasExtensionsTable())
7195 : {
7196 2 : pszSQL = sqlite3_mprintf(
7197 : "UPDATE gpkg_extensions SET table_name = '%q' WHERE "
7198 : "lower(table_name) = lower('%q');",
7199 : pszNewLayerName, pszLayerName);
7200 2 : osSQL += pszSQL;
7201 2 : sqlite3_free(pszSQL);
7202 : }
7203 :
7204 2 : if (HasMetadataTables())
7205 : {
7206 1 : pszSQL = sqlite3_mprintf(
7207 : "UPDATE gpkg_metadata_reference SET table_name = '%q' WHERE "
7208 : "lower(table_name) = lower('%q');",
7209 : pszNewLayerName, pszLayerName);
7210 1 : osSQL += pszSQL;
7211 1 : sqlite3_free(pszSQL);
7212 : }
7213 :
7214 2 : if (HasDataColumnsTable())
7215 : {
7216 0 : pszSQL = sqlite3_mprintf(
7217 : "UPDATE gpkg_data_columns SET table_name = '%q' WHERE "
7218 : "lower(table_name) = lower('%q');",
7219 : pszNewLayerName, pszLayerName);
7220 0 : osSQL += pszSQL;
7221 0 : sqlite3_free(pszSQL);
7222 : }
7223 :
7224 2 : if (HasQGISLayerStyles())
7225 : {
7226 : // Update QGIS styles
7227 : pszSQL =
7228 0 : sqlite3_mprintf("UPDATE layer_styles SET f_table_name = '%q' WHERE "
7229 : "lower(f_table_name) = lower('%q');",
7230 : pszNewLayerName, pszLayerName);
7231 0 : osSQL += pszSQL;
7232 0 : sqlite3_free(pszSQL);
7233 : }
7234 :
7235 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7236 2 : if (m_bHasGPKGOGRContents)
7237 : {
7238 2 : pszSQL = sqlite3_mprintf(
7239 : "UPDATE gpkg_ogr_contents SET table_name = '%q' WHERE "
7240 : "lower(table_name) = lower('%q');",
7241 : pszNewLayerName, pszLayerName);
7242 2 : osSQL += pszSQL;
7243 2 : sqlite3_free(pszSQL);
7244 : }
7245 : #endif
7246 :
7247 2 : if (HasGpkgextRelationsTable())
7248 : {
7249 0 : pszSQL = sqlite3_mprintf(
7250 : "UPDATE gpkgext_relations SET base_table_name = '%q' WHERE "
7251 : "lower(base_table_name) = lower('%q');",
7252 : pszNewLayerName, pszLayerName);
7253 0 : osSQL += pszSQL;
7254 0 : sqlite3_free(pszSQL);
7255 :
7256 0 : pszSQL = sqlite3_mprintf(
7257 : "UPDATE gpkgext_relations SET related_table_name = '%q' WHERE "
7258 : "lower(related_table_name) = lower('%q');",
7259 : pszNewLayerName, pszLayerName);
7260 0 : osSQL += pszSQL;
7261 0 : sqlite3_free(pszSQL);
7262 :
7263 0 : pszSQL = sqlite3_mprintf(
7264 : "UPDATE gpkgext_relations SET mapping_table_name = '%q' WHERE "
7265 : "lower(mapping_table_name) = lower('%q');",
7266 : pszNewLayerName, pszLayerName);
7267 0 : osSQL += pszSQL;
7268 0 : sqlite3_free(pszSQL);
7269 : }
7270 :
7271 : // Drop all triggers for the layer
7272 2 : pszSQL = sqlite3_mprintf("SELECT name FROM sqlite_master WHERE type = "
7273 : "'trigger' AND tbl_name = '%q'",
7274 : pszLayerName);
7275 2 : auto oTriggerResult = SQLQuery(GetDB(), pszSQL);
7276 2 : sqlite3_free(pszSQL);
7277 2 : if (oTriggerResult)
7278 : {
7279 14 : for (int i = 0; i < oTriggerResult->RowCount(); i++)
7280 : {
7281 12 : const char *pszTriggerName = oTriggerResult->GetValue(0, i);
7282 12 : pszSQL = sqlite3_mprintf("DROP TRIGGER IF EXISTS \"%w\";",
7283 : pszTriggerName);
7284 12 : osSQL += pszSQL;
7285 12 : sqlite3_free(pszSQL);
7286 : }
7287 : }
7288 :
7289 2 : pszSQL = sqlite3_mprintf("ALTER TABLE \"%w\" RENAME TO \"%w\";",
7290 : pszLayerName, pszNewLayerName);
7291 2 : osSQL += pszSQL;
7292 2 : sqlite3_free(pszSQL);
7293 :
7294 : // Recreate all zoom/tile triggers
7295 2 : if (oTriggerResult)
7296 : {
7297 2 : osSQL += CreateRasterTriggersSQL(pszNewLayerName);
7298 : }
7299 :
7300 2 : OGRErr eErr = SQLCommand(GetDB(), osSQL.c_str());
7301 :
7302 : // Check foreign key integrity
7303 2 : if (eErr == OGRERR_NONE)
7304 : {
7305 2 : eErr = PragmaCheck("foreign_key_check", "", 0);
7306 : }
7307 :
7308 2 : if (eErr == OGRERR_NONE)
7309 : {
7310 2 : eErr = SoftCommitTransaction();
7311 : }
7312 : else
7313 : {
7314 0 : SoftRollbackTransaction();
7315 : }
7316 :
7317 2 : return eErr == OGRERR_NONE;
7318 : }
7319 :
7320 : /************************************************************************/
7321 : /* TestCapability() */
7322 : /************************************************************************/
7323 :
7324 449 : int GDALGeoPackageDataset::TestCapability(const char *pszCap)
7325 : {
7326 449 : if (EQUAL(pszCap, ODsCCreateLayer) || EQUAL(pszCap, ODsCDeleteLayer) ||
7327 284 : EQUAL(pszCap, "RenameLayer"))
7328 : {
7329 165 : return GetUpdate();
7330 : }
7331 284 : else if (EQUAL(pszCap, ODsCCurveGeometries))
7332 12 : return TRUE;
7333 272 : else if (EQUAL(pszCap, ODsCMeasuredGeometries))
7334 8 : return TRUE;
7335 264 : else if (EQUAL(pszCap, ODsCZGeometries))
7336 8 : return TRUE;
7337 256 : else if (EQUAL(pszCap, ODsCRandomLayerWrite) ||
7338 256 : EQUAL(pszCap, GDsCAddRelationship) ||
7339 256 : EQUAL(pszCap, GDsCDeleteRelationship) ||
7340 256 : EQUAL(pszCap, GDsCUpdateRelationship) ||
7341 256 : EQUAL(pszCap, ODsCAddFieldDomain))
7342 1 : return GetUpdate();
7343 :
7344 255 : return OGRSQLiteBaseDataSource::TestCapability(pszCap);
7345 : }
7346 :
7347 : /************************************************************************/
7348 : /* ResetReadingAllLayers() */
7349 : /************************************************************************/
7350 :
7351 204 : void GDALGeoPackageDataset::ResetReadingAllLayers()
7352 : {
7353 413 : for (auto &poLayer : m_apoLayers)
7354 : {
7355 209 : poLayer->ResetReading();
7356 : }
7357 204 : }
7358 :
7359 : /************************************************************************/
7360 : /* ExecuteSQL() */
7361 : /************************************************************************/
7362 :
7363 : static const char *const apszFuncsWithSideEffects[] = {
7364 : "CreateSpatialIndex",
7365 : "DisableSpatialIndex",
7366 : "HasSpatialIndex",
7367 : "RegisterGeometryExtension",
7368 : };
7369 :
7370 5650 : OGRLayer *GDALGeoPackageDataset::ExecuteSQL(const char *pszSQLCommand,
7371 : OGRGeometry *poSpatialFilter,
7372 : const char *pszDialect)
7373 :
7374 : {
7375 5650 : m_bHasReadMetadataFromStorage = false;
7376 :
7377 5650 : FlushMetadata();
7378 :
7379 5668 : while (*pszSQLCommand != '\0' &&
7380 5668 : isspace(static_cast<unsigned char>(*pszSQLCommand)))
7381 18 : pszSQLCommand++;
7382 :
7383 11300 : CPLString osSQLCommand(pszSQLCommand);
7384 5650 : if (!osSQLCommand.empty() && osSQLCommand.back() == ';')
7385 48 : osSQLCommand.pop_back();
7386 :
7387 5650 : if (pszDialect == nullptr || !EQUAL(pszDialect, "DEBUG"))
7388 : {
7389 : // Some SQL commands will influence the feature count behind our
7390 : // back, so disable it in that case.
7391 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7392 : const bool bInsertOrDelete =
7393 5581 : osSQLCommand.ifind("insert into ") != std::string::npos ||
7394 2460 : osSQLCommand.ifind("insert or replace into ") !=
7395 8041 : std::string::npos ||
7396 2423 : osSQLCommand.ifind("delete from ") != std::string::npos;
7397 : const bool bRollback =
7398 5581 : osSQLCommand.ifind("rollback ") != std::string::npos;
7399 : #endif
7400 :
7401 7410 : for (auto &poLayer : m_apoLayers)
7402 : {
7403 1829 : if (poLayer->SyncToDisk() != OGRERR_NONE)
7404 0 : return nullptr;
7405 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7406 2034 : if (bRollback ||
7407 205 : (bInsertOrDelete &&
7408 205 : osSQLCommand.ifind(poLayer->GetName()) != std::string::npos))
7409 : {
7410 203 : poLayer->DisableFeatureCount();
7411 : }
7412 : #endif
7413 : }
7414 : }
7415 :
7416 5650 : if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 0") ||
7417 5649 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=0") ||
7418 5649 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =0") ||
7419 5649 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 0"))
7420 : {
7421 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, false);
7422 : }
7423 5649 : else if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 1") ||
7424 5648 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=1") ||
7425 5648 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =1") ||
7426 5648 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 1"))
7427 : {
7428 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, true);
7429 : }
7430 :
7431 : /* -------------------------------------------------------------------- */
7432 : /* DEBUG "SELECT nolock" command. */
7433 : /* -------------------------------------------------------------------- */
7434 5719 : if (pszDialect != nullptr && EQUAL(pszDialect, "DEBUG") &&
7435 69 : EQUAL(osSQLCommand, "SELECT nolock"))
7436 : {
7437 3 : return new OGRSQLiteSingleFeatureLayer(osSQLCommand, m_bNoLock ? 1 : 0);
7438 : }
7439 :
7440 : /* -------------------------------------------------------------------- */
7441 : /* Special case DELLAYER: command. */
7442 : /* -------------------------------------------------------------------- */
7443 5647 : if (STARTS_WITH_CI(osSQLCommand, "DELLAYER:"))
7444 : {
7445 4 : const char *pszLayerName = osSQLCommand.c_str() + strlen("DELLAYER:");
7446 :
7447 4 : while (*pszLayerName == ' ')
7448 0 : pszLayerName++;
7449 :
7450 4 : if (!DeleteVectorOrRasterLayer(pszLayerName))
7451 : {
7452 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer: %s",
7453 : pszLayerName);
7454 : }
7455 4 : return nullptr;
7456 : }
7457 :
7458 : /* -------------------------------------------------------------------- */
7459 : /* Special case RECOMPUTE EXTENT ON command. */
7460 : /* -------------------------------------------------------------------- */
7461 5643 : if (STARTS_WITH_CI(osSQLCommand, "RECOMPUTE EXTENT ON "))
7462 : {
7463 : const char *pszLayerName =
7464 4 : osSQLCommand.c_str() + strlen("RECOMPUTE EXTENT ON ");
7465 :
7466 4 : while (*pszLayerName == ' ')
7467 0 : pszLayerName++;
7468 :
7469 4 : int idx = FindLayerIndex(pszLayerName);
7470 4 : if (idx >= 0)
7471 : {
7472 4 : m_apoLayers[idx]->RecomputeExtent();
7473 : }
7474 : else
7475 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer: %s",
7476 : pszLayerName);
7477 4 : return nullptr;
7478 : }
7479 :
7480 : /* -------------------------------------------------------------------- */
7481 : /* Intercept DROP TABLE */
7482 : /* -------------------------------------------------------------------- */
7483 5639 : if (STARTS_WITH_CI(osSQLCommand, "DROP TABLE "))
7484 : {
7485 9 : const char *pszLayerName = osSQLCommand.c_str() + strlen("DROP TABLE ");
7486 :
7487 9 : while (*pszLayerName == ' ')
7488 0 : pszLayerName++;
7489 :
7490 9 : if (DeleteVectorOrRasterLayer(SQLUnescape(pszLayerName)))
7491 4 : return nullptr;
7492 : }
7493 :
7494 : /* -------------------------------------------------------------------- */
7495 : /* Intercept ALTER TABLE src_table RENAME TO dst_table */
7496 : /* and ALTER TABLE table RENAME COLUMN src_name TO dst_name */
7497 : /* and ALTER TABLE table DROP COLUMN col_name */
7498 : /* */
7499 : /* We do this because SQLite mechanisms can't deal with updating */
7500 : /* literal values in gpkg_ tables that refer to table and column */
7501 : /* names. */
7502 : /* -------------------------------------------------------------------- */
7503 5635 : if (STARTS_WITH_CI(osSQLCommand, "ALTER TABLE "))
7504 : {
7505 9 : char **papszTokens = SQLTokenize(osSQLCommand);
7506 : /* ALTER TABLE src_table RENAME TO dst_table */
7507 16 : if (CSLCount(papszTokens) == 6 && EQUAL(papszTokens[3], "RENAME") &&
7508 7 : EQUAL(papszTokens[4], "TO"))
7509 : {
7510 7 : const char *pszSrcTableName = papszTokens[2];
7511 7 : const char *pszDstTableName = papszTokens[5];
7512 7 : if (RenameVectorOrRasterLayer(SQLUnescape(pszSrcTableName),
7513 14 : SQLUnescape(pszDstTableName)))
7514 : {
7515 6 : CSLDestroy(papszTokens);
7516 6 : return nullptr;
7517 : }
7518 : }
7519 : /* ALTER TABLE table RENAME COLUMN src_name TO dst_name */
7520 2 : else if (CSLCount(papszTokens) == 8 &&
7521 1 : EQUAL(papszTokens[3], "RENAME") &&
7522 3 : EQUAL(papszTokens[4], "COLUMN") && EQUAL(papszTokens[6], "TO"))
7523 : {
7524 1 : const char *pszTableName = papszTokens[2];
7525 1 : const char *pszSrcColumn = papszTokens[5];
7526 1 : const char *pszDstColumn = papszTokens[7];
7527 : OGRGeoPackageTableLayer *poLayer =
7528 0 : dynamic_cast<OGRGeoPackageTableLayer *>(
7529 1 : GetLayerByName(SQLUnescape(pszTableName)));
7530 1 : if (poLayer)
7531 : {
7532 2 : int nSrcFieldIdx = poLayer->GetLayerDefn()->GetFieldIndex(
7533 2 : SQLUnescape(pszSrcColumn));
7534 1 : if (nSrcFieldIdx >= 0)
7535 : {
7536 : // OFTString or any type will do as we just alter the name
7537 : // so it will be ignored.
7538 1 : OGRFieldDefn oFieldDefn(SQLUnescape(pszDstColumn),
7539 1 : OFTString);
7540 1 : poLayer->AlterFieldDefn(nSrcFieldIdx, &oFieldDefn,
7541 : ALTER_NAME_FLAG);
7542 1 : CSLDestroy(papszTokens);
7543 1 : return nullptr;
7544 : }
7545 : }
7546 : }
7547 : /* ALTER TABLE table DROP COLUMN col_name */
7548 2 : else if (CSLCount(papszTokens) == 6 && EQUAL(papszTokens[3], "DROP") &&
7549 1 : EQUAL(papszTokens[4], "COLUMN"))
7550 : {
7551 1 : const char *pszTableName = papszTokens[2];
7552 1 : const char *pszColumnName = papszTokens[5];
7553 : OGRGeoPackageTableLayer *poLayer =
7554 0 : dynamic_cast<OGRGeoPackageTableLayer *>(
7555 1 : GetLayerByName(SQLUnescape(pszTableName)));
7556 1 : if (poLayer)
7557 : {
7558 2 : int nFieldIdx = poLayer->GetLayerDefn()->GetFieldIndex(
7559 2 : SQLUnescape(pszColumnName));
7560 1 : if (nFieldIdx >= 0)
7561 : {
7562 1 : poLayer->DeleteField(nFieldIdx);
7563 1 : CSLDestroy(papszTokens);
7564 1 : return nullptr;
7565 : }
7566 : }
7567 : }
7568 1 : CSLDestroy(papszTokens);
7569 : }
7570 :
7571 5627 : if (ProcessTransactionSQL(osSQLCommand))
7572 : {
7573 253 : return nullptr;
7574 : }
7575 :
7576 5374 : if (EQUAL(osSQLCommand, "VACUUM"))
7577 : {
7578 13 : ResetReadingAllLayers();
7579 : }
7580 5361 : else if (STARTS_WITH_CI(osSQLCommand, "DELETE FROM "))
7581 : {
7582 : // Optimize truncation of a table, especially if it has a spatial
7583 : // index.
7584 24 : const CPLStringList aosTokens(SQLTokenize(osSQLCommand));
7585 24 : if (aosTokens.size() == 3)
7586 : {
7587 16 : const char *pszTableName = aosTokens[2];
7588 : OGRGeoPackageTableLayer *poLayer =
7589 8 : dynamic_cast<OGRGeoPackageTableLayer *>(
7590 24 : GetLayerByName(SQLUnescape(pszTableName)));
7591 16 : if (poLayer)
7592 : {
7593 8 : poLayer->Truncate();
7594 8 : return nullptr;
7595 : }
7596 : }
7597 : }
7598 5337 : else if (pszDialect != nullptr && EQUAL(pszDialect, "INDIRECT_SQLITE"))
7599 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter, "SQLITE");
7600 5336 : else if (pszDialect != nullptr && !EQUAL(pszDialect, "") &&
7601 67 : !EQUAL(pszDialect, "NATIVE") && !EQUAL(pszDialect, "SQLITE") &&
7602 67 : !EQUAL(pszDialect, "DEBUG"))
7603 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter,
7604 1 : pszDialect);
7605 :
7606 : /* -------------------------------------------------------------------- */
7607 : /* Prepare statement. */
7608 : /* -------------------------------------------------------------------- */
7609 5364 : sqlite3_stmt *hSQLStmt = nullptr;
7610 :
7611 : /* This will speed-up layer creation */
7612 : /* ORDER BY are costly to evaluate and are not necessary to establish */
7613 : /* the layer definition. */
7614 5364 : bool bUseStatementForGetNextFeature = true;
7615 5364 : bool bEmptyLayer = false;
7616 10728 : CPLString osSQLCommandTruncated(osSQLCommand);
7617 :
7618 17698 : if (osSQLCommand.ifind("SELECT ") == 0 &&
7619 6167 : CPLString(osSQLCommand.substr(1)).ifind("SELECT ") ==
7620 769 : std::string::npos &&
7621 769 : osSQLCommand.ifind(" UNION ") == std::string::npos &&
7622 6936 : osSQLCommand.ifind(" INTERSECT ") == std::string::npos &&
7623 769 : osSQLCommand.ifind(" EXCEPT ") == std::string::npos)
7624 : {
7625 769 : size_t nOrderByPos = osSQLCommand.ifind(" ORDER BY ");
7626 769 : if (nOrderByPos != std::string::npos)
7627 : {
7628 9 : osSQLCommandTruncated.resize(nOrderByPos);
7629 9 : bUseStatementForGetNextFeature = false;
7630 : }
7631 : }
7632 :
7633 5364 : int rc = prepareSql(hDB, osSQLCommandTruncated.c_str(),
7634 5364 : static_cast<int>(osSQLCommandTruncated.size()),
7635 : &hSQLStmt, nullptr);
7636 :
7637 5364 : if (rc != SQLITE_OK)
7638 : {
7639 9 : CPLError(CE_Failure, CPLE_AppDefined,
7640 : "In ExecuteSQL(): sqlite3_prepare_v2(%s): %s",
7641 : osSQLCommandTruncated.c_str(), sqlite3_errmsg(hDB));
7642 :
7643 9 : if (hSQLStmt != nullptr)
7644 : {
7645 0 : sqlite3_finalize(hSQLStmt);
7646 : }
7647 :
7648 9 : return nullptr;
7649 : }
7650 :
7651 : /* -------------------------------------------------------------------- */
7652 : /* Do we get a resultset? */
7653 : /* -------------------------------------------------------------------- */
7654 5355 : rc = sqlite3_step(hSQLStmt);
7655 :
7656 6949 : for (auto &poLayer : m_apoLayers)
7657 : {
7658 1594 : poLayer->RunDeferredDropRTreeTableIfNecessary();
7659 : }
7660 :
7661 5355 : if (rc != SQLITE_ROW)
7662 : {
7663 4633 : if (rc != SQLITE_DONE)
7664 : {
7665 7 : CPLError(CE_Failure, CPLE_AppDefined,
7666 : "In ExecuteSQL(): sqlite3_step(%s):\n %s",
7667 : osSQLCommandTruncated.c_str(), sqlite3_errmsg(hDB));
7668 :
7669 7 : sqlite3_finalize(hSQLStmt);
7670 7 : return nullptr;
7671 : }
7672 :
7673 4626 : if (EQUAL(osSQLCommand, "VACUUM"))
7674 : {
7675 13 : sqlite3_finalize(hSQLStmt);
7676 : /* VACUUM rewrites the DB, so we need to reset the application id */
7677 13 : SetApplicationAndUserVersionId();
7678 13 : return nullptr;
7679 : }
7680 :
7681 4613 : if (!STARTS_WITH_CI(osSQLCommand, "SELECT "))
7682 : {
7683 4488 : sqlite3_finalize(hSQLStmt);
7684 4488 : return nullptr;
7685 : }
7686 :
7687 125 : bUseStatementForGetNextFeature = false;
7688 125 : bEmptyLayer = true;
7689 : }
7690 :
7691 : /* -------------------------------------------------------------------- */
7692 : /* Special case for some functions which must be run */
7693 : /* only once */
7694 : /* -------------------------------------------------------------------- */
7695 847 : if (STARTS_WITH_CI(osSQLCommand, "SELECT "))
7696 : {
7697 3859 : for (unsigned int i = 0; i < sizeof(apszFuncsWithSideEffects) /
7698 : sizeof(apszFuncsWithSideEffects[0]);
7699 : i++)
7700 : {
7701 3113 : if (EQUALN(apszFuncsWithSideEffects[i], osSQLCommand.c_str() + 7,
7702 : strlen(apszFuncsWithSideEffects[i])))
7703 : {
7704 112 : if (sqlite3_column_count(hSQLStmt) == 1 &&
7705 56 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_INTEGER)
7706 : {
7707 56 : int ret = sqlite3_column_int(hSQLStmt, 0);
7708 :
7709 56 : sqlite3_finalize(hSQLStmt);
7710 :
7711 : return new OGRSQLiteSingleFeatureLayer(
7712 56 : apszFuncsWithSideEffects[i], ret);
7713 : }
7714 : }
7715 : }
7716 : }
7717 45 : else if (STARTS_WITH_CI(osSQLCommand, "PRAGMA "))
7718 : {
7719 63 : if (sqlite3_column_count(hSQLStmt) == 1 &&
7720 18 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_INTEGER)
7721 : {
7722 15 : int ret = sqlite3_column_int(hSQLStmt, 0);
7723 :
7724 15 : sqlite3_finalize(hSQLStmt);
7725 :
7726 15 : return new OGRSQLiteSingleFeatureLayer(osSQLCommand.c_str() + 7,
7727 15 : ret);
7728 : }
7729 33 : else if (sqlite3_column_count(hSQLStmt) == 1 &&
7730 3 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_TEXT)
7731 : {
7732 : const char *pszRet = reinterpret_cast<const char *>(
7733 3 : sqlite3_column_text(hSQLStmt, 0));
7734 :
7735 : OGRLayer *poRet = new OGRSQLiteSingleFeatureLayer(
7736 3 : osSQLCommand.c_str() + 7, pszRet);
7737 :
7738 3 : sqlite3_finalize(hSQLStmt);
7739 :
7740 3 : return poRet;
7741 : }
7742 : }
7743 :
7744 : /* -------------------------------------------------------------------- */
7745 : /* Create layer. */
7746 : /* -------------------------------------------------------------------- */
7747 :
7748 : auto poLayer = std::make_unique<OGRGeoPackageSelectLayer>(
7749 : this, osSQLCommand, hSQLStmt, bUseStatementForGetNextFeature,
7750 1546 : bEmptyLayer);
7751 :
7752 776 : if (poSpatialFilter != nullptr &&
7753 3 : poLayer->GetLayerDefn()->GetGeomFieldCount() > 0)
7754 3 : poLayer->SetSpatialFilter(0, poSpatialFilter);
7755 :
7756 773 : return poLayer.release();
7757 : }
7758 :
7759 : /************************************************************************/
7760 : /* ReleaseResultSet() */
7761 : /************************************************************************/
7762 :
7763 806 : void GDALGeoPackageDataset::ReleaseResultSet(OGRLayer *poLayer)
7764 :
7765 : {
7766 806 : delete poLayer;
7767 806 : }
7768 :
7769 : /************************************************************************/
7770 : /* HasExtensionsTable() */
7771 : /************************************************************************/
7772 :
7773 6513 : bool GDALGeoPackageDataset::HasExtensionsTable()
7774 : {
7775 6513 : return SQLGetInteger(
7776 : hDB,
7777 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_extensions' "
7778 : "AND type IN ('table', 'view')",
7779 6513 : nullptr) == 1;
7780 : }
7781 :
7782 : /************************************************************************/
7783 : /* CheckUnknownExtensions() */
7784 : /************************************************************************/
7785 :
7786 1476 : void GDALGeoPackageDataset::CheckUnknownExtensions(bool bCheckRasterTable)
7787 : {
7788 1476 : if (!HasExtensionsTable())
7789 197 : return;
7790 :
7791 1279 : char *pszSQL = nullptr;
7792 1279 : if (!bCheckRasterTable)
7793 1071 : pszSQL = sqlite3_mprintf(
7794 : "SELECT extension_name, definition, scope FROM gpkg_extensions "
7795 : "WHERE (table_name IS NULL "
7796 : "AND extension_name IS NOT NULL "
7797 : "AND definition IS NOT NULL "
7798 : "AND scope IS NOT NULL "
7799 : "AND extension_name NOT IN ("
7800 : "'gdal_aspatial', "
7801 : "'gpkg_elevation_tiles', " // Old name before GPKG 1.2 approval
7802 : "'2d_gridded_coverage', " // Old name after GPKG 1.2 and before OGC
7803 : // 17-066r1 finalization
7804 : "'gpkg_2d_gridded_coverage', " // Name in OGC 17-066r1 final
7805 : "'gpkg_metadata', "
7806 : "'gpkg_schema', "
7807 : "'gpkg_crs_wkt', "
7808 : "'gpkg_crs_wkt_1_1', "
7809 : "'related_tables', 'gpkg_related_tables')) "
7810 : #ifdef WORKAROUND_SQLITE3_BUGS
7811 : "OR 0 "
7812 : #endif
7813 : "LIMIT 1000");
7814 : else
7815 208 : pszSQL = sqlite3_mprintf(
7816 : "SELECT extension_name, definition, scope FROM gpkg_extensions "
7817 : "WHERE (lower(table_name) = lower('%q') "
7818 : "AND extension_name IS NOT NULL "
7819 : "AND definition IS NOT NULL "
7820 : "AND scope IS NOT NULL "
7821 : "AND extension_name NOT IN ("
7822 : "'gpkg_elevation_tiles', " // Old name before GPKG 1.2 approval
7823 : "'2d_gridded_coverage', " // Old name after GPKG 1.2 and before OGC
7824 : // 17-066r1 finalization
7825 : "'gpkg_2d_gridded_coverage', " // Name in OGC 17-066r1 final
7826 : "'gpkg_metadata', "
7827 : "'gpkg_schema', "
7828 : "'gpkg_crs_wkt', "
7829 : "'gpkg_crs_wkt_1_1', "
7830 : "'related_tables', 'gpkg_related_tables')) "
7831 : #ifdef WORKAROUND_SQLITE3_BUGS
7832 : "OR 0 "
7833 : #endif
7834 : "LIMIT 1000",
7835 : m_osRasterTable.c_str());
7836 :
7837 2558 : auto oResultTable = SQLQuery(GetDB(), pszSQL);
7838 1279 : sqlite3_free(pszSQL);
7839 1279 : if (oResultTable && oResultTable->RowCount() > 0)
7840 : {
7841 42 : for (int i = 0; i < oResultTable->RowCount(); i++)
7842 : {
7843 21 : const char *pszExtName = oResultTable->GetValue(0, i);
7844 21 : const char *pszDefinition = oResultTable->GetValue(1, i);
7845 21 : const char *pszScope = oResultTable->GetValue(2, i);
7846 21 : if (pszExtName == nullptr || pszDefinition == nullptr ||
7847 : pszScope == nullptr)
7848 : {
7849 0 : continue;
7850 : }
7851 :
7852 21 : if (EQUAL(pszExtName, "gpkg_webp"))
7853 : {
7854 15 : if (GDALGetDriverByName("WEBP") == nullptr)
7855 : {
7856 1 : CPLError(
7857 : CE_Warning, CPLE_AppDefined,
7858 : "Table %s contains WEBP tiles, but GDAL configured "
7859 : "without WEBP support. Data will be missing",
7860 : m_osRasterTable.c_str());
7861 : }
7862 15 : m_eTF = GPKG_TF_WEBP;
7863 15 : continue;
7864 : }
7865 6 : if (EQUAL(pszExtName, "gpkg_zoom_other"))
7866 : {
7867 2 : m_bZoomOther = true;
7868 2 : continue;
7869 : }
7870 :
7871 4 : if (GetUpdate() && EQUAL(pszScope, "write-only"))
7872 : {
7873 1 : CPLError(
7874 : CE_Warning, CPLE_AppDefined,
7875 : "Database relies on the '%s' (%s) extension that should "
7876 : "be implemented for safe write-support, but is not "
7877 : "currently. "
7878 : "Update of that database are strongly discouraged to avoid "
7879 : "corruption.",
7880 : pszExtName, pszDefinition);
7881 : }
7882 3 : else if (GetUpdate() && EQUAL(pszScope, "read-write"))
7883 : {
7884 1 : CPLError(
7885 : CE_Warning, CPLE_AppDefined,
7886 : "Database relies on the '%s' (%s) extension that should "
7887 : "be implemented in order to read/write it safely, but is "
7888 : "not currently. "
7889 : "Some data may be missing while reading that database, and "
7890 : "updates are strongly discouraged.",
7891 : pszExtName, pszDefinition);
7892 : }
7893 2 : else if (EQUAL(pszScope, "read-write") &&
7894 : // None of the NGA extensions at
7895 : // http://ngageoint.github.io/GeoPackage/docs/extensions/
7896 : // affect read-only scenarios
7897 1 : !STARTS_WITH(pszExtName, "nga_"))
7898 : {
7899 1 : CPLError(
7900 : CE_Warning, CPLE_AppDefined,
7901 : "Database relies on the '%s' (%s) extension that should "
7902 : "be implemented in order to read it safely, but is not "
7903 : "currently. "
7904 : "Some data may be missing while reading that database.",
7905 : pszExtName, pszDefinition);
7906 : }
7907 : }
7908 : }
7909 : }
7910 :
7911 : /************************************************************************/
7912 : /* HasGDALAspatialExtension() */
7913 : /************************************************************************/
7914 :
7915 1021 : bool GDALGeoPackageDataset::HasGDALAspatialExtension()
7916 : {
7917 1021 : if (!HasExtensionsTable())
7918 90 : return false;
7919 :
7920 : auto oResultTable = SQLQuery(hDB, "SELECT * FROM gpkg_extensions "
7921 : "WHERE (extension_name = 'gdal_aspatial' "
7922 : "AND table_name IS NULL "
7923 : "AND column_name IS NULL)"
7924 : #ifdef WORKAROUND_SQLITE3_BUGS
7925 : " OR 0"
7926 : #endif
7927 931 : );
7928 931 : bool bHasExtension = (oResultTable && oResultTable->RowCount() == 1);
7929 931 : return bHasExtension;
7930 : }
7931 :
7932 : std::string
7933 190 : GDALGeoPackageDataset::CreateRasterTriggersSQL(const std::string &osTableName)
7934 : {
7935 : char *pszSQL;
7936 190 : std::string osSQL;
7937 : /* From D.5. sample_tile_pyramid Table 43. tiles table Trigger
7938 : * Definition SQL */
7939 190 : pszSQL = sqlite3_mprintf(
7940 : "CREATE TRIGGER \"%w_zoom_insert\" "
7941 : "BEFORE INSERT ON \"%w\" "
7942 : "FOR EACH ROW BEGIN "
7943 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7944 : "constraint: zoom_level not specified for table in "
7945 : "gpkg_tile_matrix') "
7946 : "WHERE NOT (NEW.zoom_level IN (SELECT zoom_level FROM "
7947 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q'))) ; "
7948 : "END; "
7949 : "CREATE TRIGGER \"%w_zoom_update\" "
7950 : "BEFORE UPDATE OF zoom_level ON \"%w\" "
7951 : "FOR EACH ROW BEGIN "
7952 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7953 : "constraint: zoom_level not specified for table in "
7954 : "gpkg_tile_matrix') "
7955 : "WHERE NOT (NEW.zoom_level IN (SELECT zoom_level FROM "
7956 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q'))) ; "
7957 : "END; "
7958 : "CREATE TRIGGER \"%w_tile_column_insert\" "
7959 : "BEFORE INSERT ON \"%w\" "
7960 : "FOR EACH ROW BEGIN "
7961 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7962 : "constraint: tile_column cannot be < 0') "
7963 : "WHERE (NEW.tile_column < 0) ; "
7964 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7965 : "constraint: tile_column must by < matrix_width specified for "
7966 : "table and zoom level in gpkg_tile_matrix') "
7967 : "WHERE NOT (NEW.tile_column < (SELECT matrix_width FROM "
7968 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
7969 : "zoom_level = NEW.zoom_level)); "
7970 : "END; "
7971 : "CREATE TRIGGER \"%w_tile_column_update\" "
7972 : "BEFORE UPDATE OF tile_column ON \"%w\" "
7973 : "FOR EACH ROW BEGIN "
7974 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7975 : "constraint: tile_column cannot be < 0') "
7976 : "WHERE (NEW.tile_column < 0) ; "
7977 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7978 : "constraint: tile_column must by < matrix_width specified for "
7979 : "table and zoom level in gpkg_tile_matrix') "
7980 : "WHERE NOT (NEW.tile_column < (SELECT matrix_width FROM "
7981 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
7982 : "zoom_level = NEW.zoom_level)); "
7983 : "END; "
7984 : "CREATE TRIGGER \"%w_tile_row_insert\" "
7985 : "BEFORE INSERT ON \"%w\" "
7986 : "FOR EACH ROW BEGIN "
7987 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7988 : "constraint: tile_row cannot be < 0') "
7989 : "WHERE (NEW.tile_row < 0) ; "
7990 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7991 : "constraint: tile_row must by < matrix_height specified for "
7992 : "table and zoom level in gpkg_tile_matrix') "
7993 : "WHERE NOT (NEW.tile_row < (SELECT matrix_height FROM "
7994 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
7995 : "zoom_level = NEW.zoom_level)); "
7996 : "END; "
7997 : "CREATE TRIGGER \"%w_tile_row_update\" "
7998 : "BEFORE UPDATE OF tile_row ON \"%w\" "
7999 : "FOR EACH ROW BEGIN "
8000 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8001 : "constraint: tile_row cannot be < 0') "
8002 : "WHERE (NEW.tile_row < 0) ; "
8003 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8004 : "constraint: tile_row must by < matrix_height specified for "
8005 : "table and zoom level in gpkg_tile_matrix') "
8006 : "WHERE NOT (NEW.tile_row < (SELECT matrix_height FROM "
8007 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8008 : "zoom_level = NEW.zoom_level)); "
8009 : "END; ",
8010 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8011 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8012 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8013 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8014 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8015 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8016 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8017 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8018 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8019 : osTableName.c_str());
8020 190 : osSQL = pszSQL;
8021 190 : sqlite3_free(pszSQL);
8022 190 : return osSQL;
8023 : }
8024 :
8025 : /************************************************************************/
8026 : /* CreateExtensionsTableIfNecessary() */
8027 : /************************************************************************/
8028 :
8029 1159 : OGRErr GDALGeoPackageDataset::CreateExtensionsTableIfNecessary()
8030 : {
8031 : /* Check if the table gpkg_extensions exists */
8032 1159 : if (HasExtensionsTable())
8033 410 : return OGRERR_NONE;
8034 :
8035 : /* Requirement 79 : Every extension of a GeoPackage SHALL be registered */
8036 : /* in a corresponding row in the gpkg_extensions table. The absence of a */
8037 : /* gpkg_extensions table or the absence of rows in gpkg_extensions table */
8038 : /* SHALL both indicate the absence of extensions to a GeoPackage. */
8039 749 : const char *pszCreateGpkgExtensions =
8040 : "CREATE TABLE gpkg_extensions ("
8041 : "table_name TEXT,"
8042 : "column_name TEXT,"
8043 : "extension_name TEXT NOT NULL,"
8044 : "definition TEXT NOT NULL,"
8045 : "scope TEXT NOT NULL,"
8046 : "CONSTRAINT ge_tce UNIQUE (table_name, column_name, extension_name)"
8047 : ")";
8048 :
8049 749 : return SQLCommand(hDB, pszCreateGpkgExtensions);
8050 : }
8051 :
8052 : /************************************************************************/
8053 : /* OGR_GPKG_Intersects_Spatial_Filter() */
8054 : /************************************************************************/
8055 :
8056 23135 : void OGR_GPKG_Intersects_Spatial_Filter(sqlite3_context *pContext, int argc,
8057 : sqlite3_value **argv)
8058 : {
8059 23135 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8060 : {
8061 0 : sqlite3_result_int(pContext, 0);
8062 23125 : return;
8063 : }
8064 :
8065 : auto poLayer =
8066 23135 : static_cast<OGRGeoPackageTableLayer *>(sqlite3_user_data(pContext));
8067 :
8068 23135 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8069 : const GByte *pabyBLOB =
8070 23135 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8071 :
8072 : GPkgHeader sHeader;
8073 46270 : if (poLayer->m_bFilterIsEnvelope &&
8074 23135 : OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false, 0))
8075 : {
8076 23135 : if (sHeader.bExtentHasXY)
8077 : {
8078 95 : OGREnvelope sEnvelope;
8079 95 : sEnvelope.MinX = sHeader.MinX;
8080 95 : sEnvelope.MinY = sHeader.MinY;
8081 95 : sEnvelope.MaxX = sHeader.MaxX;
8082 95 : sEnvelope.MaxY = sHeader.MaxY;
8083 95 : if (poLayer->m_sFilterEnvelope.Contains(sEnvelope))
8084 : {
8085 31 : sqlite3_result_int(pContext, 1);
8086 31 : return;
8087 : }
8088 : }
8089 :
8090 : // Check if at least one point falls into the layer filter envelope
8091 : // nHeaderLen is > 0 for GeoPackage geometries
8092 46208 : if (sHeader.nHeaderLen > 0 &&
8093 23104 : OGRWKBIntersectsPessimistic(pabyBLOB + sHeader.nHeaderLen,
8094 23104 : nBLOBLen - sHeader.nHeaderLen,
8095 23104 : poLayer->m_sFilterEnvelope))
8096 : {
8097 23094 : sqlite3_result_int(pContext, 1);
8098 23094 : return;
8099 : }
8100 : }
8101 :
8102 : auto poGeom = std::unique_ptr<OGRGeometry>(
8103 10 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8104 10 : if (poGeom == nullptr)
8105 : {
8106 : // Try also spatialite geometry blobs
8107 0 : OGRGeometry *poGeomSpatialite = nullptr;
8108 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8109 0 : &poGeomSpatialite) != OGRERR_NONE)
8110 : {
8111 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8112 0 : sqlite3_result_int(pContext, 0);
8113 0 : return;
8114 : }
8115 0 : poGeom.reset(poGeomSpatialite);
8116 : }
8117 :
8118 10 : sqlite3_result_int(pContext, poLayer->FilterGeometry(poGeom.get()));
8119 : }
8120 :
8121 : /************************************************************************/
8122 : /* OGRGeoPackageSTMinX() */
8123 : /************************************************************************/
8124 :
8125 243781 : static void OGRGeoPackageSTMinX(sqlite3_context *pContext, int argc,
8126 : sqlite3_value **argv)
8127 : {
8128 : GPkgHeader sHeader;
8129 243781 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8130 : {
8131 3 : sqlite3_result_null(pContext);
8132 3 : return;
8133 : }
8134 243778 : sqlite3_result_double(pContext, sHeader.MinX);
8135 : }
8136 :
8137 : /************************************************************************/
8138 : /* OGRGeoPackageSTMinY() */
8139 : /************************************************************************/
8140 :
8141 243779 : static void OGRGeoPackageSTMinY(sqlite3_context *pContext, int argc,
8142 : sqlite3_value **argv)
8143 : {
8144 : GPkgHeader sHeader;
8145 243779 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8146 : {
8147 1 : sqlite3_result_null(pContext);
8148 1 : return;
8149 : }
8150 243778 : sqlite3_result_double(pContext, sHeader.MinY);
8151 : }
8152 :
8153 : /************************************************************************/
8154 : /* OGRGeoPackageSTMaxX() */
8155 : /************************************************************************/
8156 :
8157 243779 : static void OGRGeoPackageSTMaxX(sqlite3_context *pContext, int argc,
8158 : sqlite3_value **argv)
8159 : {
8160 : GPkgHeader sHeader;
8161 243779 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8162 : {
8163 1 : sqlite3_result_null(pContext);
8164 1 : return;
8165 : }
8166 243778 : sqlite3_result_double(pContext, sHeader.MaxX);
8167 : }
8168 :
8169 : /************************************************************************/
8170 : /* OGRGeoPackageSTMaxY() */
8171 : /************************************************************************/
8172 :
8173 243779 : static void OGRGeoPackageSTMaxY(sqlite3_context *pContext, int argc,
8174 : sqlite3_value **argv)
8175 : {
8176 : GPkgHeader sHeader;
8177 243779 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8178 : {
8179 1 : sqlite3_result_null(pContext);
8180 1 : return;
8181 : }
8182 243778 : sqlite3_result_double(pContext, sHeader.MaxY);
8183 : }
8184 :
8185 : /************************************************************************/
8186 : /* OGRGeoPackageSTIsEmpty() */
8187 : /************************************************************************/
8188 :
8189 245184 : static void OGRGeoPackageSTIsEmpty(sqlite3_context *pContext, int argc,
8190 : sqlite3_value **argv)
8191 : {
8192 : GPkgHeader sHeader;
8193 245184 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8194 : {
8195 2 : sqlite3_result_null(pContext);
8196 2 : return;
8197 : }
8198 245182 : sqlite3_result_int(pContext, sHeader.bEmpty);
8199 : }
8200 :
8201 : /************************************************************************/
8202 : /* OGRGeoPackageSTGeometryType() */
8203 : /************************************************************************/
8204 :
8205 7 : static void OGRGeoPackageSTGeometryType(sqlite3_context *pContext, int /*argc*/,
8206 : sqlite3_value **argv)
8207 : {
8208 : GPkgHeader sHeader;
8209 :
8210 7 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8211 : const GByte *pabyBLOB =
8212 7 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8213 : OGRwkbGeometryType eGeometryType;
8214 :
8215 13 : if (nBLOBLen < 8 ||
8216 6 : GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) != OGRERR_NONE)
8217 : {
8218 2 : if (OGRSQLiteGetSpatialiteGeometryHeader(
8219 : pabyBLOB, nBLOBLen, nullptr, &eGeometryType, nullptr, nullptr,
8220 2 : nullptr, nullptr, nullptr) == OGRERR_NONE)
8221 : {
8222 1 : sqlite3_result_text(pContext, OGRToOGCGeomType(eGeometryType), -1,
8223 : SQLITE_TRANSIENT);
8224 4 : return;
8225 : }
8226 : else
8227 : {
8228 1 : sqlite3_result_null(pContext);
8229 1 : return;
8230 : }
8231 : }
8232 :
8233 5 : if (static_cast<size_t>(nBLOBLen) < sHeader.nHeaderLen + 5)
8234 : {
8235 2 : sqlite3_result_null(pContext);
8236 2 : return;
8237 : }
8238 :
8239 3 : OGRErr err = OGRReadWKBGeometryType(pabyBLOB + sHeader.nHeaderLen,
8240 : wkbVariantIso, &eGeometryType);
8241 3 : if (err != OGRERR_NONE)
8242 1 : sqlite3_result_null(pContext);
8243 : else
8244 2 : sqlite3_result_text(pContext, OGRToOGCGeomType(eGeometryType), -1,
8245 : SQLITE_TRANSIENT);
8246 : }
8247 :
8248 : /************************************************************************/
8249 : /* OGRGeoPackageSTEnvelopesIntersects() */
8250 : /************************************************************************/
8251 :
8252 118 : static void OGRGeoPackageSTEnvelopesIntersects(sqlite3_context *pContext,
8253 : int argc, sqlite3_value **argv)
8254 : {
8255 : GPkgHeader sHeader;
8256 118 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8257 : {
8258 2 : sqlite3_result_int(pContext, FALSE);
8259 107 : return;
8260 : }
8261 116 : const double dfMinX = sqlite3_value_double(argv[1]);
8262 116 : if (sHeader.MaxX < dfMinX)
8263 : {
8264 93 : sqlite3_result_int(pContext, FALSE);
8265 93 : return;
8266 : }
8267 23 : const double dfMinY = sqlite3_value_double(argv[2]);
8268 23 : if (sHeader.MaxY < dfMinY)
8269 : {
8270 11 : sqlite3_result_int(pContext, FALSE);
8271 11 : return;
8272 : }
8273 12 : const double dfMaxX = sqlite3_value_double(argv[3]);
8274 12 : if (sHeader.MinX > dfMaxX)
8275 : {
8276 1 : sqlite3_result_int(pContext, FALSE);
8277 1 : return;
8278 : }
8279 11 : const double dfMaxY = sqlite3_value_double(argv[4]);
8280 11 : sqlite3_result_int(pContext, sHeader.MinY <= dfMaxY);
8281 : }
8282 :
8283 : /************************************************************************/
8284 : /* OGRGeoPackageSTEnvelopesIntersectsTwoParams() */
8285 : /************************************************************************/
8286 :
8287 : static void
8288 3 : OGRGeoPackageSTEnvelopesIntersectsTwoParams(sqlite3_context *pContext, int argc,
8289 : sqlite3_value **argv)
8290 : {
8291 : GPkgHeader sHeader;
8292 3 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false, 0))
8293 : {
8294 0 : sqlite3_result_int(pContext, FALSE);
8295 2 : return;
8296 : }
8297 : GPkgHeader sHeader2;
8298 3 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader2, true, false,
8299 : 1))
8300 : {
8301 0 : sqlite3_result_int(pContext, FALSE);
8302 0 : return;
8303 : }
8304 3 : if (sHeader.MaxX < sHeader2.MinX)
8305 : {
8306 1 : sqlite3_result_int(pContext, FALSE);
8307 1 : return;
8308 : }
8309 2 : if (sHeader.MaxY < sHeader2.MinY)
8310 : {
8311 0 : sqlite3_result_int(pContext, FALSE);
8312 0 : return;
8313 : }
8314 2 : if (sHeader.MinX > sHeader2.MaxX)
8315 : {
8316 1 : sqlite3_result_int(pContext, FALSE);
8317 1 : return;
8318 : }
8319 1 : sqlite3_result_int(pContext, sHeader.MinY <= sHeader2.MaxY);
8320 : }
8321 :
8322 : /************************************************************************/
8323 : /* OGRGeoPackageGPKGIsAssignable() */
8324 : /************************************************************************/
8325 :
8326 8 : static void OGRGeoPackageGPKGIsAssignable(sqlite3_context *pContext,
8327 : int /*argc*/, sqlite3_value **argv)
8328 : {
8329 15 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8330 7 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8331 : {
8332 2 : sqlite3_result_int(pContext, 0);
8333 2 : return;
8334 : }
8335 :
8336 : const char *pszExpected =
8337 6 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8338 : const char *pszActual =
8339 6 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8340 6 : int bIsAssignable = OGR_GT_IsSubClassOf(OGRFromOGCGeomType(pszActual),
8341 : OGRFromOGCGeomType(pszExpected));
8342 6 : sqlite3_result_int(pContext, bIsAssignable);
8343 : }
8344 :
8345 : /************************************************************************/
8346 : /* OGRGeoPackageSTSRID() */
8347 : /************************************************************************/
8348 :
8349 12 : static void OGRGeoPackageSTSRID(sqlite3_context *pContext, int argc,
8350 : sqlite3_value **argv)
8351 : {
8352 : GPkgHeader sHeader;
8353 12 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8354 : {
8355 2 : sqlite3_result_null(pContext);
8356 2 : return;
8357 : }
8358 10 : sqlite3_result_int(pContext, sHeader.iSrsId);
8359 : }
8360 :
8361 : /************************************************************************/
8362 : /* OGRGeoPackageSetSRID() */
8363 : /************************************************************************/
8364 :
8365 28 : static void OGRGeoPackageSetSRID(sqlite3_context *pContext, int /* argc */,
8366 : sqlite3_value **argv)
8367 : {
8368 28 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8369 : {
8370 1 : sqlite3_result_null(pContext);
8371 1 : return;
8372 : }
8373 27 : const int nDestSRID = sqlite3_value_int(argv[1]);
8374 : GPkgHeader sHeader;
8375 27 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8376 : const GByte *pabyBLOB =
8377 27 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8378 :
8379 54 : if (nBLOBLen < 8 ||
8380 27 : GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) != OGRERR_NONE)
8381 : {
8382 : // Try also spatialite geometry blobs
8383 0 : OGRGeometry *poGeom = nullptr;
8384 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeom) !=
8385 : OGRERR_NONE)
8386 : {
8387 0 : sqlite3_result_null(pContext);
8388 0 : return;
8389 : }
8390 0 : size_t nBLOBDestLen = 0;
8391 : GByte *pabyDestBLOB =
8392 0 : GPkgGeometryFromOGR(poGeom, nDestSRID, nullptr, &nBLOBDestLen);
8393 0 : if (!pabyDestBLOB)
8394 : {
8395 0 : sqlite3_result_null(pContext);
8396 0 : return;
8397 : }
8398 0 : sqlite3_result_blob(pContext, pabyDestBLOB,
8399 : static_cast<int>(nBLOBDestLen), VSIFree);
8400 0 : return;
8401 : }
8402 :
8403 27 : GByte *pabyDestBLOB = static_cast<GByte *>(CPLMalloc(nBLOBLen));
8404 27 : memcpy(pabyDestBLOB, pabyBLOB, nBLOBLen);
8405 27 : int32_t nSRIDToSerialize = nDestSRID;
8406 27 : if (OGR_SWAP(sHeader.eByteOrder))
8407 0 : nSRIDToSerialize = CPL_SWAP32(nSRIDToSerialize);
8408 27 : memcpy(pabyDestBLOB + 4, &nSRIDToSerialize, 4);
8409 27 : sqlite3_result_blob(pContext, pabyDestBLOB, nBLOBLen, VSIFree);
8410 : }
8411 :
8412 : /************************************************************************/
8413 : /* OGRGeoPackageSTMakeValid() */
8414 : /************************************************************************/
8415 :
8416 3 : static void OGRGeoPackageSTMakeValid(sqlite3_context *pContext, int argc,
8417 : sqlite3_value **argv)
8418 : {
8419 3 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8420 : {
8421 2 : sqlite3_result_null(pContext);
8422 2 : return;
8423 : }
8424 1 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8425 : const GByte *pabyBLOB =
8426 1 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8427 :
8428 : GPkgHeader sHeader;
8429 1 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8430 : {
8431 0 : sqlite3_result_null(pContext);
8432 0 : return;
8433 : }
8434 :
8435 : auto poGeom = std::unique_ptr<OGRGeometry>(
8436 1 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8437 1 : if (poGeom == nullptr)
8438 : {
8439 : // Try also spatialite geometry blobs
8440 0 : OGRGeometry *poGeomPtr = nullptr;
8441 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeomPtr) !=
8442 : OGRERR_NONE)
8443 : {
8444 0 : sqlite3_result_null(pContext);
8445 0 : return;
8446 : }
8447 0 : poGeom.reset(poGeomPtr);
8448 : }
8449 1 : auto poValid = std::unique_ptr<OGRGeometry>(poGeom->MakeValid());
8450 1 : if (poValid == nullptr)
8451 : {
8452 0 : sqlite3_result_null(pContext);
8453 0 : return;
8454 : }
8455 :
8456 1 : size_t nBLOBDestLen = 0;
8457 1 : GByte *pabyDestBLOB = GPkgGeometryFromOGR(poValid.get(), sHeader.iSrsId,
8458 : nullptr, &nBLOBDestLen);
8459 1 : if (!pabyDestBLOB)
8460 : {
8461 0 : sqlite3_result_null(pContext);
8462 0 : return;
8463 : }
8464 1 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
8465 : VSIFree);
8466 : }
8467 :
8468 : /************************************************************************/
8469 : /* OGRGeoPackageSTArea() */
8470 : /************************************************************************/
8471 :
8472 19 : static void OGRGeoPackageSTArea(sqlite3_context *pContext, int /*argc*/,
8473 : sqlite3_value **argv)
8474 : {
8475 19 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8476 : {
8477 1 : sqlite3_result_null(pContext);
8478 15 : return;
8479 : }
8480 18 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8481 : const GByte *pabyBLOB =
8482 18 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8483 :
8484 : GPkgHeader sHeader;
8485 0 : std::unique_ptr<OGRGeometry> poGeom;
8486 18 : if (GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) == OGRERR_NONE)
8487 : {
8488 16 : if (sHeader.bEmpty)
8489 : {
8490 3 : sqlite3_result_double(pContext, 0);
8491 13 : return;
8492 : }
8493 13 : const GByte *pabyWkb = pabyBLOB + sHeader.nHeaderLen;
8494 13 : size_t nWKBSize = nBLOBLen - sHeader.nHeaderLen;
8495 : bool bNeedSwap;
8496 : uint32_t nType;
8497 13 : if (OGRWKBGetGeomType(pabyWkb, nWKBSize, bNeedSwap, nType))
8498 : {
8499 13 : if (nType == wkbPolygon || nType == wkbPolygon25D ||
8500 11 : nType == wkbPolygon + 1000 || // wkbPolygonZ
8501 10 : nType == wkbPolygonM || nType == wkbPolygonZM)
8502 : {
8503 : double dfArea;
8504 5 : if (OGRWKBPolygonGetArea(pabyWkb, nWKBSize, dfArea))
8505 : {
8506 5 : sqlite3_result_double(pContext, dfArea);
8507 5 : return;
8508 0 : }
8509 : }
8510 8 : else if (nType == wkbMultiPolygon || nType == wkbMultiPolygon25D ||
8511 6 : nType == wkbMultiPolygon + 1000 || // wkbMultiPolygonZ
8512 5 : nType == wkbMultiPolygonM || nType == wkbMultiPolygonZM)
8513 : {
8514 : double dfArea;
8515 5 : if (OGRWKBMultiPolygonGetArea(pabyWkb, nWKBSize, dfArea))
8516 : {
8517 5 : sqlite3_result_double(pContext, dfArea);
8518 5 : return;
8519 : }
8520 : }
8521 : }
8522 :
8523 : // For curve geometries, fallback to OGRGeometry methods
8524 3 : poGeom.reset(GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8525 : }
8526 : else
8527 : {
8528 : // Try also spatialite geometry blobs
8529 2 : OGRGeometry *poGeomPtr = nullptr;
8530 2 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeomPtr) !=
8531 : OGRERR_NONE)
8532 : {
8533 1 : sqlite3_result_null(pContext);
8534 1 : return;
8535 : }
8536 1 : poGeom.reset(poGeomPtr);
8537 : }
8538 4 : auto poSurface = dynamic_cast<OGRSurface *>(poGeom.get());
8539 4 : if (poSurface == nullptr)
8540 : {
8541 2 : auto poMultiSurface = dynamic_cast<OGRMultiSurface *>(poGeom.get());
8542 2 : if (poMultiSurface == nullptr)
8543 : {
8544 1 : sqlite3_result_double(pContext, 0);
8545 : }
8546 : else
8547 : {
8548 1 : sqlite3_result_double(pContext, poMultiSurface->get_Area());
8549 : }
8550 : }
8551 : else
8552 : {
8553 2 : sqlite3_result_double(pContext, poSurface->get_Area());
8554 : }
8555 : }
8556 :
8557 : /************************************************************************/
8558 : /* OGRGeoPackageGeodesicArea() */
8559 : /************************************************************************/
8560 :
8561 5 : static void OGRGeoPackageGeodesicArea(sqlite3_context *pContext, int argc,
8562 : sqlite3_value **argv)
8563 : {
8564 5 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8565 : {
8566 1 : sqlite3_result_null(pContext);
8567 3 : return;
8568 : }
8569 4 : if (sqlite3_value_int(argv[1]) != 1)
8570 : {
8571 2 : CPLError(CE_Warning, CPLE_NotSupported,
8572 : "ST_Area(geom, use_ellipsoid) is only supported for "
8573 : "use_ellipsoid = 1");
8574 : }
8575 :
8576 4 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8577 : const GByte *pabyBLOB =
8578 4 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8579 : GPkgHeader sHeader;
8580 4 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8581 : {
8582 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8583 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8584 1 : return;
8585 : }
8586 :
8587 : GDALGeoPackageDataset *poDS =
8588 3 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8589 :
8590 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser> poSrcSRS(
8591 3 : poDS->GetSpatialRef(sHeader.iSrsId, true));
8592 3 : if (poSrcSRS == nullptr)
8593 : {
8594 1 : CPLError(CE_Failure, CPLE_AppDefined,
8595 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8596 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8597 1 : return;
8598 : }
8599 :
8600 : auto poGeom = std::unique_ptr<OGRGeometry>(
8601 2 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8602 2 : if (poGeom == nullptr)
8603 : {
8604 : // Try also spatialite geometry blobs
8605 0 : OGRGeometry *poGeomSpatialite = nullptr;
8606 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8607 0 : &poGeomSpatialite) != OGRERR_NONE)
8608 : {
8609 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8610 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8611 0 : return;
8612 : }
8613 0 : poGeom.reset(poGeomSpatialite);
8614 : }
8615 :
8616 2 : poGeom->assignSpatialReference(poSrcSRS.get());
8617 2 : sqlite3_result_double(
8618 : pContext, OGR_G_GeodesicArea(OGRGeometry::ToHandle(poGeom.get())));
8619 : }
8620 :
8621 : /************************************************************************/
8622 : /* OGRGeoPackageLengthOrGeodesicLength() */
8623 : /************************************************************************/
8624 :
8625 8 : static void OGRGeoPackageLengthOrGeodesicLength(sqlite3_context *pContext,
8626 : int argc, sqlite3_value **argv)
8627 : {
8628 8 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8629 : {
8630 2 : sqlite3_result_null(pContext);
8631 5 : return;
8632 : }
8633 6 : if (argc == 2 && sqlite3_value_int(argv[1]) != 1)
8634 : {
8635 2 : CPLError(CE_Warning, CPLE_NotSupported,
8636 : "ST_Length(geom, use_ellipsoid) is only supported for "
8637 : "use_ellipsoid = 1");
8638 : }
8639 :
8640 6 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8641 : const GByte *pabyBLOB =
8642 6 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8643 : GPkgHeader sHeader;
8644 6 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8645 : {
8646 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8647 2 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8648 2 : return;
8649 : }
8650 :
8651 : GDALGeoPackageDataset *poDS =
8652 4 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8653 :
8654 0 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser> poSrcSRS;
8655 4 : if (argc == 2)
8656 : {
8657 3 : poSrcSRS = poDS->GetSpatialRef(sHeader.iSrsId, true);
8658 3 : if (!poSrcSRS)
8659 : {
8660 1 : CPLError(CE_Failure, CPLE_AppDefined,
8661 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8662 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8663 1 : return;
8664 : }
8665 : }
8666 :
8667 : auto poGeom = std::unique_ptr<OGRGeometry>(
8668 3 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8669 3 : if (poGeom == nullptr)
8670 : {
8671 : // Try also spatialite geometry blobs
8672 0 : OGRGeometry *poGeomSpatialite = nullptr;
8673 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8674 0 : &poGeomSpatialite) != OGRERR_NONE)
8675 : {
8676 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8677 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8678 0 : return;
8679 : }
8680 0 : poGeom.reset(poGeomSpatialite);
8681 : }
8682 :
8683 3 : if (argc == 2)
8684 2 : poGeom->assignSpatialReference(poSrcSRS.get());
8685 :
8686 6 : sqlite3_result_double(
8687 : pContext,
8688 1 : argc == 1 ? OGR_G_Length(OGRGeometry::ToHandle(poGeom.get()))
8689 2 : : OGR_G_GeodesicLength(OGRGeometry::ToHandle(poGeom.get())));
8690 : }
8691 :
8692 : /************************************************************************/
8693 : /* OGRGeoPackageTransform() */
8694 : /************************************************************************/
8695 :
8696 : void OGRGeoPackageTransform(sqlite3_context *pContext, int argc,
8697 : sqlite3_value **argv);
8698 :
8699 32 : void OGRGeoPackageTransform(sqlite3_context *pContext, int argc,
8700 : sqlite3_value **argv)
8701 : {
8702 63 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB ||
8703 31 : sqlite3_value_type(argv[1]) != SQLITE_INTEGER)
8704 : {
8705 2 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8706 32 : return;
8707 : }
8708 :
8709 30 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8710 : const GByte *pabyBLOB =
8711 30 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8712 : GPkgHeader sHeader;
8713 30 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8714 : {
8715 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8716 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8717 1 : return;
8718 : }
8719 :
8720 29 : const int nDestSRID = sqlite3_value_int(argv[1]);
8721 29 : if (sHeader.iSrsId == nDestSRID)
8722 : {
8723 : // Return blob unmodified
8724 3 : sqlite3_result_blob(pContext, pabyBLOB, nBLOBLen, SQLITE_TRANSIENT);
8725 3 : return;
8726 : }
8727 :
8728 : GDALGeoPackageDataset *poDS =
8729 26 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8730 :
8731 : // Try to get the cached coordinate transformation
8732 : OGRCoordinateTransformation *poCT;
8733 26 : if (poDS->m_nLastCachedCTSrcSRId == sHeader.iSrsId &&
8734 20 : poDS->m_nLastCachedCTDstSRId == nDestSRID)
8735 : {
8736 20 : poCT = poDS->m_poLastCachedCT.get();
8737 : }
8738 : else
8739 : {
8740 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>
8741 6 : poSrcSRS(poDS->GetSpatialRef(sHeader.iSrsId, true));
8742 6 : if (poSrcSRS == nullptr)
8743 : {
8744 0 : CPLError(CE_Failure, CPLE_AppDefined,
8745 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8746 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8747 0 : return;
8748 : }
8749 :
8750 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>
8751 6 : poDstSRS(poDS->GetSpatialRef(nDestSRID, true));
8752 6 : if (poDstSRS == nullptr)
8753 : {
8754 0 : CPLError(CE_Failure, CPLE_AppDefined, "Target SRID (%d) is invalid",
8755 : nDestSRID);
8756 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8757 0 : return;
8758 : }
8759 : poCT =
8760 6 : OGRCreateCoordinateTransformation(poSrcSRS.get(), poDstSRS.get());
8761 6 : if (poCT == nullptr)
8762 : {
8763 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8764 0 : return;
8765 : }
8766 :
8767 : // Cache coordinate transformation for potential later reuse
8768 6 : poDS->m_nLastCachedCTSrcSRId = sHeader.iSrsId;
8769 6 : poDS->m_nLastCachedCTDstSRId = nDestSRID;
8770 6 : poDS->m_poLastCachedCT.reset(poCT);
8771 6 : poCT = poDS->m_poLastCachedCT.get();
8772 : }
8773 :
8774 26 : if (sHeader.nHeaderLen >= 8)
8775 : {
8776 26 : std::vector<GByte> &abyNewBLOB = poDS->m_abyWKBTransformCache;
8777 26 : abyNewBLOB.resize(nBLOBLen);
8778 26 : memcpy(abyNewBLOB.data(), pabyBLOB, nBLOBLen);
8779 :
8780 26 : OGREnvelope3D oEnv3d;
8781 26 : if (!OGRWKBTransform(abyNewBLOB.data() + sHeader.nHeaderLen,
8782 26 : nBLOBLen - sHeader.nHeaderLen, poCT,
8783 78 : poDS->m_oWKBTransformCache, oEnv3d) ||
8784 26 : !GPkgUpdateHeader(abyNewBLOB.data(), nBLOBLen, nDestSRID,
8785 : oEnv3d.MinX, oEnv3d.MaxX, oEnv3d.MinY,
8786 : oEnv3d.MaxY, oEnv3d.MinZ, oEnv3d.MaxZ))
8787 : {
8788 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8789 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8790 0 : return;
8791 : }
8792 :
8793 26 : sqlite3_result_blob(pContext, abyNewBLOB.data(), nBLOBLen,
8794 : SQLITE_TRANSIENT);
8795 26 : return;
8796 : }
8797 :
8798 : // Try also spatialite geometry blobs
8799 0 : OGRGeometry *poGeomSpatialite = nullptr;
8800 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8801 0 : &poGeomSpatialite) != OGRERR_NONE)
8802 : {
8803 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8804 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8805 0 : return;
8806 : }
8807 0 : auto poGeom = std::unique_ptr<OGRGeometry>(poGeomSpatialite);
8808 :
8809 0 : if (poGeom->transform(poCT) != OGRERR_NONE)
8810 : {
8811 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8812 0 : return;
8813 : }
8814 :
8815 0 : size_t nBLOBDestLen = 0;
8816 : GByte *pabyDestBLOB =
8817 0 : GPkgGeometryFromOGR(poGeom.get(), nDestSRID, nullptr, &nBLOBDestLen);
8818 0 : if (!pabyDestBLOB)
8819 : {
8820 0 : sqlite3_result_null(pContext);
8821 0 : return;
8822 : }
8823 0 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
8824 : VSIFree);
8825 : }
8826 :
8827 : /************************************************************************/
8828 : /* OGRGeoPackageSridFromAuthCRS() */
8829 : /************************************************************************/
8830 :
8831 4 : static void OGRGeoPackageSridFromAuthCRS(sqlite3_context *pContext,
8832 : int /*argc*/, sqlite3_value **argv)
8833 : {
8834 7 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8835 3 : sqlite3_value_type(argv[1]) != SQLITE_INTEGER)
8836 : {
8837 2 : sqlite3_result_int(pContext, -1);
8838 2 : return;
8839 : }
8840 :
8841 : GDALGeoPackageDataset *poDS =
8842 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8843 :
8844 2 : char *pszSQL = sqlite3_mprintf(
8845 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
8846 : "lower(organization) = lower('%q') AND organization_coordsys_id = %d",
8847 2 : sqlite3_value_text(argv[0]), sqlite3_value_int(argv[1]));
8848 2 : OGRErr err = OGRERR_NONE;
8849 2 : int nSRSId = SQLGetInteger(poDS->GetDB(), pszSQL, &err);
8850 2 : sqlite3_free(pszSQL);
8851 2 : if (err != OGRERR_NONE)
8852 1 : nSRSId = -1;
8853 2 : sqlite3_result_int(pContext, nSRSId);
8854 : }
8855 :
8856 : /************************************************************************/
8857 : /* OGRGeoPackageImportFromEPSG() */
8858 : /************************************************************************/
8859 :
8860 4 : static void OGRGeoPackageImportFromEPSG(sqlite3_context *pContext, int /*argc*/,
8861 : sqlite3_value **argv)
8862 : {
8863 4 : if (sqlite3_value_type(argv[0]) != SQLITE_INTEGER)
8864 : {
8865 1 : sqlite3_result_int(pContext, -1);
8866 2 : return;
8867 : }
8868 :
8869 : GDALGeoPackageDataset *poDS =
8870 3 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8871 3 : OGRSpatialReference oSRS;
8872 3 : if (oSRS.importFromEPSG(sqlite3_value_int(argv[0])) != OGRERR_NONE)
8873 : {
8874 1 : sqlite3_result_int(pContext, -1);
8875 1 : return;
8876 : }
8877 :
8878 2 : sqlite3_result_int(pContext, poDS->GetSrsId(&oSRS));
8879 : }
8880 :
8881 : /************************************************************************/
8882 : /* OGRGeoPackageRegisterGeometryExtension() */
8883 : /************************************************************************/
8884 :
8885 1 : static void OGRGeoPackageRegisterGeometryExtension(sqlite3_context *pContext,
8886 : int /*argc*/,
8887 : sqlite3_value **argv)
8888 : {
8889 1 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8890 2 : sqlite3_value_type(argv[1]) != SQLITE_TEXT ||
8891 1 : sqlite3_value_type(argv[2]) != SQLITE_TEXT)
8892 : {
8893 0 : sqlite3_result_int(pContext, 0);
8894 0 : return;
8895 : }
8896 :
8897 : const char *pszTableName =
8898 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8899 : const char *pszGeomName =
8900 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8901 : const char *pszGeomType =
8902 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[2]));
8903 :
8904 : GDALGeoPackageDataset *poDS =
8905 1 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8906 :
8907 1 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8908 1 : poDS->GetLayerByName(pszTableName));
8909 1 : if (poLyr == nullptr)
8910 : {
8911 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8912 0 : sqlite3_result_int(pContext, 0);
8913 0 : return;
8914 : }
8915 1 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
8916 : {
8917 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
8918 0 : sqlite3_result_int(pContext, 0);
8919 0 : return;
8920 : }
8921 1 : const OGRwkbGeometryType eGeomType = OGRFromOGCGeomType(pszGeomType);
8922 1 : if (eGeomType == wkbUnknown)
8923 : {
8924 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry type name");
8925 0 : sqlite3_result_int(pContext, 0);
8926 0 : return;
8927 : }
8928 :
8929 1 : sqlite3_result_int(
8930 : pContext,
8931 1 : static_cast<int>(poLyr->CreateGeometryExtensionIfNecessary(eGeomType)));
8932 : }
8933 :
8934 : /************************************************************************/
8935 : /* OGRGeoPackageCreateSpatialIndex() */
8936 : /************************************************************************/
8937 :
8938 14 : static void OGRGeoPackageCreateSpatialIndex(sqlite3_context *pContext,
8939 : int /*argc*/, sqlite3_value **argv)
8940 : {
8941 27 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8942 13 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8943 : {
8944 2 : sqlite3_result_int(pContext, 0);
8945 2 : return;
8946 : }
8947 :
8948 : const char *pszTableName =
8949 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8950 : const char *pszGeomName =
8951 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8952 : GDALGeoPackageDataset *poDS =
8953 12 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8954 :
8955 12 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8956 12 : poDS->GetLayerByName(pszTableName));
8957 12 : if (poLyr == nullptr)
8958 : {
8959 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8960 1 : sqlite3_result_int(pContext, 0);
8961 1 : return;
8962 : }
8963 11 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
8964 : {
8965 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
8966 1 : sqlite3_result_int(pContext, 0);
8967 1 : return;
8968 : }
8969 :
8970 10 : sqlite3_result_int(pContext, poLyr->CreateSpatialIndex());
8971 : }
8972 :
8973 : /************************************************************************/
8974 : /* OGRGeoPackageDisableSpatialIndex() */
8975 : /************************************************************************/
8976 :
8977 12 : static void OGRGeoPackageDisableSpatialIndex(sqlite3_context *pContext,
8978 : int /*argc*/, sqlite3_value **argv)
8979 : {
8980 23 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8981 11 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8982 : {
8983 2 : sqlite3_result_int(pContext, 0);
8984 2 : return;
8985 : }
8986 :
8987 : const char *pszTableName =
8988 10 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8989 : const char *pszGeomName =
8990 10 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8991 : GDALGeoPackageDataset *poDS =
8992 10 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8993 :
8994 10 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8995 10 : poDS->GetLayerByName(pszTableName));
8996 10 : if (poLyr == nullptr)
8997 : {
8998 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8999 1 : sqlite3_result_int(pContext, 0);
9000 1 : return;
9001 : }
9002 9 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9003 : {
9004 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9005 1 : sqlite3_result_int(pContext, 0);
9006 1 : return;
9007 : }
9008 :
9009 8 : sqlite3_result_int(pContext, poLyr->DropSpatialIndex(true));
9010 : }
9011 :
9012 : /************************************************************************/
9013 : /* OGRGeoPackageHasSpatialIndex() */
9014 : /************************************************************************/
9015 :
9016 29 : static void OGRGeoPackageHasSpatialIndex(sqlite3_context *pContext,
9017 : int /*argc*/, sqlite3_value **argv)
9018 : {
9019 57 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9020 28 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9021 : {
9022 2 : sqlite3_result_int(pContext, 0);
9023 2 : return;
9024 : }
9025 :
9026 : const char *pszTableName =
9027 27 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9028 : const char *pszGeomName =
9029 27 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9030 : GDALGeoPackageDataset *poDS =
9031 27 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9032 :
9033 27 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
9034 27 : poDS->GetLayerByName(pszTableName));
9035 27 : if (poLyr == nullptr)
9036 : {
9037 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
9038 1 : sqlite3_result_int(pContext, 0);
9039 1 : return;
9040 : }
9041 26 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9042 : {
9043 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9044 1 : sqlite3_result_int(pContext, 0);
9045 1 : return;
9046 : }
9047 :
9048 25 : poLyr->RunDeferredCreationIfNecessary();
9049 25 : poLyr->CreateSpatialIndexIfNecessary();
9050 :
9051 25 : sqlite3_result_int(pContext, poLyr->HasSpatialIndex());
9052 : }
9053 :
9054 : /************************************************************************/
9055 : /* GPKG_hstore_get_value() */
9056 : /************************************************************************/
9057 :
9058 4 : static void GPKG_hstore_get_value(sqlite3_context *pContext, int /*argc*/,
9059 : sqlite3_value **argv)
9060 : {
9061 7 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9062 3 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9063 : {
9064 2 : sqlite3_result_null(pContext);
9065 2 : return;
9066 : }
9067 :
9068 : const char *pszHStore =
9069 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9070 : const char *pszSearchedKey =
9071 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9072 2 : char *pszValue = OGRHStoreGetValue(pszHStore, pszSearchedKey);
9073 2 : if (pszValue != nullptr)
9074 1 : sqlite3_result_text(pContext, pszValue, -1, CPLFree);
9075 : else
9076 1 : sqlite3_result_null(pContext);
9077 : }
9078 :
9079 : /************************************************************************/
9080 : /* GPKG_GDAL_GetMemFileFromBlob() */
9081 : /************************************************************************/
9082 :
9083 105 : static CPLString GPKG_GDAL_GetMemFileFromBlob(sqlite3_value **argv)
9084 : {
9085 105 : int nBytes = sqlite3_value_bytes(argv[0]);
9086 : const GByte *pabyBLOB =
9087 105 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
9088 : CPLString osMemFileName(
9089 105 : VSIMemGenerateHiddenFilename("GPKG_GDAL_GetMemFileFromBlob"));
9090 105 : VSILFILE *fp = VSIFileFromMemBuffer(
9091 : osMemFileName.c_str(), const_cast<GByte *>(pabyBLOB), nBytes, FALSE);
9092 105 : VSIFCloseL(fp);
9093 105 : return osMemFileName;
9094 : }
9095 :
9096 : /************************************************************************/
9097 : /* GPKG_GDAL_GetMimeType() */
9098 : /************************************************************************/
9099 :
9100 35 : static void GPKG_GDAL_GetMimeType(sqlite3_context *pContext, int /*argc*/,
9101 : sqlite3_value **argv)
9102 : {
9103 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9104 : {
9105 0 : sqlite3_result_null(pContext);
9106 0 : return;
9107 : }
9108 :
9109 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9110 : GDALDriver *poDriver =
9111 35 : GDALDriver::FromHandle(GDALIdentifyDriver(osMemFileName, nullptr));
9112 35 : if (poDriver != nullptr)
9113 : {
9114 35 : const char *pszRes = nullptr;
9115 35 : if (EQUAL(poDriver->GetDescription(), "PNG"))
9116 23 : pszRes = "image/png";
9117 12 : else if (EQUAL(poDriver->GetDescription(), "JPEG"))
9118 6 : pszRes = "image/jpeg";
9119 6 : else if (EQUAL(poDriver->GetDescription(), "WEBP"))
9120 6 : pszRes = "image/x-webp";
9121 0 : else if (EQUAL(poDriver->GetDescription(), "GTIFF"))
9122 0 : pszRes = "image/tiff";
9123 : else
9124 0 : pszRes = CPLSPrintf("gdal/%s", poDriver->GetDescription());
9125 35 : sqlite3_result_text(pContext, pszRes, -1, SQLITE_TRANSIENT);
9126 : }
9127 : else
9128 0 : sqlite3_result_null(pContext);
9129 35 : VSIUnlink(osMemFileName);
9130 : }
9131 :
9132 : /************************************************************************/
9133 : /* GPKG_GDAL_GetBandCount() */
9134 : /************************************************************************/
9135 :
9136 35 : static void GPKG_GDAL_GetBandCount(sqlite3_context *pContext, int /*argc*/,
9137 : sqlite3_value **argv)
9138 : {
9139 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9140 : {
9141 0 : sqlite3_result_null(pContext);
9142 0 : return;
9143 : }
9144 :
9145 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9146 : auto poDS = std::unique_ptr<GDALDataset>(
9147 : GDALDataset::Open(osMemFileName, GDAL_OF_RASTER | GDAL_OF_INTERNAL,
9148 70 : nullptr, nullptr, nullptr));
9149 35 : if (poDS != nullptr)
9150 : {
9151 35 : sqlite3_result_int(pContext, poDS->GetRasterCount());
9152 : }
9153 : else
9154 0 : sqlite3_result_null(pContext);
9155 35 : VSIUnlink(osMemFileName);
9156 : }
9157 :
9158 : /************************************************************************/
9159 : /* GPKG_GDAL_HasColorTable() */
9160 : /************************************************************************/
9161 :
9162 35 : static void GPKG_GDAL_HasColorTable(sqlite3_context *pContext, int /*argc*/,
9163 : sqlite3_value **argv)
9164 : {
9165 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9166 : {
9167 0 : sqlite3_result_null(pContext);
9168 0 : return;
9169 : }
9170 :
9171 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9172 : auto poDS = std::unique_ptr<GDALDataset>(
9173 : GDALDataset::Open(osMemFileName, GDAL_OF_RASTER | GDAL_OF_INTERNAL,
9174 70 : nullptr, nullptr, nullptr));
9175 35 : if (poDS != nullptr)
9176 : {
9177 35 : sqlite3_result_int(
9178 46 : pContext, poDS->GetRasterCount() == 1 &&
9179 11 : poDS->GetRasterBand(1)->GetColorTable() != nullptr);
9180 : }
9181 : else
9182 0 : sqlite3_result_null(pContext);
9183 35 : VSIUnlink(osMemFileName);
9184 : }
9185 :
9186 : /************************************************************************/
9187 : /* GetRasterLayerDataset() */
9188 : /************************************************************************/
9189 :
9190 : GDALDataset *
9191 12 : GDALGeoPackageDataset::GetRasterLayerDataset(const char *pszLayerName)
9192 : {
9193 12 : const auto oIter = m_oCachedRasterDS.find(pszLayerName);
9194 12 : if (oIter != m_oCachedRasterDS.end())
9195 10 : return oIter->second.get();
9196 :
9197 : auto poDS = std::unique_ptr<GDALDataset>(GDALDataset::Open(
9198 4 : (std::string("GPKG:\"") + m_pszFilename + "\":" + pszLayerName).c_str(),
9199 4 : GDAL_OF_RASTER | GDAL_OF_VERBOSE_ERROR));
9200 2 : if (!poDS)
9201 : {
9202 0 : return nullptr;
9203 : }
9204 2 : m_oCachedRasterDS[pszLayerName] = std::move(poDS);
9205 2 : return m_oCachedRasterDS[pszLayerName].get();
9206 : }
9207 :
9208 : /************************************************************************/
9209 : /* GPKG_gdal_get_layer_pixel_value() */
9210 : /************************************************************************/
9211 :
9212 : // NOTE: keep in sync implementations in ogrsqlitesqlfunctionscommon.cpp
9213 : // and ogrgeopackagedatasource.cpp
9214 13 : static void GPKG_gdal_get_layer_pixel_value(sqlite3_context *pContext, int argc,
9215 : sqlite3_value **argv)
9216 : {
9217 13 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT)
9218 : {
9219 1 : CPLError(CE_Failure, CPLE_AppDefined,
9220 : "Invalid arguments to gdal_get_layer_pixel_value()");
9221 1 : sqlite3_result_null(pContext);
9222 1 : return;
9223 : }
9224 :
9225 : const char *pszLayerName =
9226 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9227 :
9228 : GDALGeoPackageDataset *poGlobalDS =
9229 12 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9230 12 : auto poDS = poGlobalDS->GetRasterLayerDataset(pszLayerName);
9231 12 : if (!poDS)
9232 : {
9233 0 : sqlite3_result_null(pContext);
9234 0 : return;
9235 : }
9236 :
9237 12 : OGRSQLite_gdal_get_pixel_value_common("gdal_get_layer_pixel_value",
9238 : pContext, argc, argv, poDS);
9239 : }
9240 :
9241 : /************************************************************************/
9242 : /* GPKG_ogr_layer_Extent() */
9243 : /************************************************************************/
9244 :
9245 3 : static void GPKG_ogr_layer_Extent(sqlite3_context *pContext, int /*argc*/,
9246 : sqlite3_value **argv)
9247 : {
9248 3 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT)
9249 : {
9250 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Invalid argument type",
9251 : "ogr_layer_Extent");
9252 1 : sqlite3_result_null(pContext);
9253 2 : return;
9254 : }
9255 :
9256 : const char *pszLayerName =
9257 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9258 : GDALGeoPackageDataset *poDS =
9259 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9260 2 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9261 2 : if (!poLayer)
9262 : {
9263 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer",
9264 : "ogr_layer_Extent");
9265 1 : sqlite3_result_null(pContext);
9266 1 : return;
9267 : }
9268 :
9269 1 : if (poLayer->GetGeomType() == wkbNone)
9270 : {
9271 0 : sqlite3_result_null(pContext);
9272 0 : return;
9273 : }
9274 :
9275 1 : OGREnvelope sExtent;
9276 1 : if (poLayer->GetExtent(&sExtent) != OGRERR_NONE)
9277 : {
9278 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9279 : "ogr_layer_Extent");
9280 0 : sqlite3_result_null(pContext);
9281 0 : return;
9282 : }
9283 :
9284 1 : OGRPolygon oPoly;
9285 1 : auto poRing = std::make_unique<OGRLinearRing>();
9286 1 : poRing->addPoint(sExtent.MinX, sExtent.MinY);
9287 1 : poRing->addPoint(sExtent.MaxX, sExtent.MinY);
9288 1 : poRing->addPoint(sExtent.MaxX, sExtent.MaxY);
9289 1 : poRing->addPoint(sExtent.MinX, sExtent.MaxY);
9290 1 : poRing->addPoint(sExtent.MinX, sExtent.MinY);
9291 1 : oPoly.addRing(std::move(poRing));
9292 :
9293 1 : const auto poSRS = poLayer->GetSpatialRef();
9294 1 : const int nSRID = poDS->GetSrsId(poSRS);
9295 1 : size_t nBLOBDestLen = 0;
9296 : GByte *pabyDestBLOB =
9297 1 : GPkgGeometryFromOGR(&oPoly, nSRID, nullptr, &nBLOBDestLen);
9298 1 : if (!pabyDestBLOB)
9299 : {
9300 0 : sqlite3_result_null(pContext);
9301 0 : return;
9302 : }
9303 1 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
9304 : VSIFree);
9305 : }
9306 :
9307 : /************************************************************************/
9308 : /* InstallSQLFunctions() */
9309 : /************************************************************************/
9310 :
9311 : #ifndef SQLITE_DETERMINISTIC
9312 : #define SQLITE_DETERMINISTIC 0
9313 : #endif
9314 :
9315 : #ifndef SQLITE_INNOCUOUS
9316 : #define SQLITE_INNOCUOUS 0
9317 : #endif
9318 :
9319 : #ifndef UTF8_INNOCUOUS
9320 : #define UTF8_INNOCUOUS (SQLITE_UTF8 | SQLITE_DETERMINISTIC | SQLITE_INNOCUOUS)
9321 : #endif
9322 :
9323 2073 : void GDALGeoPackageDataset::InstallSQLFunctions()
9324 : {
9325 2073 : InitSpatialite();
9326 :
9327 : // Enable SpatiaLite 4.3 "amphibious" mode, i.e. that SpatiaLite functions
9328 : // that take geometries will accept GPKG encoded geometries without
9329 : // explicit conversion.
9330 : // Use sqlite3_exec() instead of SQLCommand() since we don't want verbose
9331 : // error.
9332 2073 : sqlite3_exec(hDB, "SELECT EnableGpkgAmphibiousMode()", nullptr, nullptr,
9333 : nullptr);
9334 :
9335 : /* Used by RTree Spatial Index Extension */
9336 2073 : sqlite3_create_function(hDB, "ST_MinX", 1, UTF8_INNOCUOUS, nullptr,
9337 : OGRGeoPackageSTMinX, nullptr, nullptr);
9338 2073 : sqlite3_create_function(hDB, "ST_MinY", 1, UTF8_INNOCUOUS, nullptr,
9339 : OGRGeoPackageSTMinY, nullptr, nullptr);
9340 2073 : sqlite3_create_function(hDB, "ST_MaxX", 1, UTF8_INNOCUOUS, nullptr,
9341 : OGRGeoPackageSTMaxX, nullptr, nullptr);
9342 2073 : sqlite3_create_function(hDB, "ST_MaxY", 1, UTF8_INNOCUOUS, nullptr,
9343 : OGRGeoPackageSTMaxY, nullptr, nullptr);
9344 2073 : sqlite3_create_function(hDB, "ST_IsEmpty", 1, UTF8_INNOCUOUS, nullptr,
9345 : OGRGeoPackageSTIsEmpty, nullptr, nullptr);
9346 :
9347 : /* Used by Geometry Type Triggers Extension */
9348 2073 : sqlite3_create_function(hDB, "ST_GeometryType", 1, UTF8_INNOCUOUS, nullptr,
9349 : OGRGeoPackageSTGeometryType, nullptr, nullptr);
9350 2073 : sqlite3_create_function(hDB, "GPKG_IsAssignable", 2, UTF8_INNOCUOUS,
9351 : nullptr, OGRGeoPackageGPKGIsAssignable, nullptr,
9352 : nullptr);
9353 :
9354 : /* Used by Geometry SRS ID Triggers Extension */
9355 2073 : sqlite3_create_function(hDB, "ST_SRID", 1, UTF8_INNOCUOUS, nullptr,
9356 : OGRGeoPackageSTSRID, nullptr, nullptr);
9357 :
9358 : /* Spatialite-like functions */
9359 2073 : sqlite3_create_function(hDB, "CreateSpatialIndex", 2, SQLITE_UTF8, this,
9360 : OGRGeoPackageCreateSpatialIndex, nullptr, nullptr);
9361 2073 : sqlite3_create_function(hDB, "DisableSpatialIndex", 2, SQLITE_UTF8, this,
9362 : OGRGeoPackageDisableSpatialIndex, nullptr, nullptr);
9363 2073 : sqlite3_create_function(hDB, "HasSpatialIndex", 2, SQLITE_UTF8, this,
9364 : OGRGeoPackageHasSpatialIndex, nullptr, nullptr);
9365 :
9366 : // HSTORE functions
9367 2073 : sqlite3_create_function(hDB, "hstore_get_value", 2, UTF8_INNOCUOUS, nullptr,
9368 : GPKG_hstore_get_value, nullptr, nullptr);
9369 :
9370 : // Override a few Spatialite functions to work with gpkg_spatial_ref_sys
9371 2073 : sqlite3_create_function(hDB, "ST_Transform", 2, UTF8_INNOCUOUS, this,
9372 : OGRGeoPackageTransform, nullptr, nullptr);
9373 2073 : sqlite3_create_function(hDB, "Transform", 2, UTF8_INNOCUOUS, this,
9374 : OGRGeoPackageTransform, nullptr, nullptr);
9375 2073 : sqlite3_create_function(hDB, "SridFromAuthCRS", 2, SQLITE_UTF8, this,
9376 : OGRGeoPackageSridFromAuthCRS, nullptr, nullptr);
9377 :
9378 2073 : sqlite3_create_function(hDB, "ST_EnvIntersects", 2, UTF8_INNOCUOUS, nullptr,
9379 : OGRGeoPackageSTEnvelopesIntersectsTwoParams,
9380 : nullptr, nullptr);
9381 2073 : sqlite3_create_function(
9382 : hDB, "ST_EnvelopesIntersects", 2, UTF8_INNOCUOUS, nullptr,
9383 : OGRGeoPackageSTEnvelopesIntersectsTwoParams, nullptr, nullptr);
9384 :
9385 2073 : sqlite3_create_function(hDB, "ST_EnvIntersects", 5, UTF8_INNOCUOUS, nullptr,
9386 : OGRGeoPackageSTEnvelopesIntersects, nullptr,
9387 : nullptr);
9388 2073 : sqlite3_create_function(hDB, "ST_EnvelopesIntersects", 5, UTF8_INNOCUOUS,
9389 : nullptr, OGRGeoPackageSTEnvelopesIntersects,
9390 : nullptr, nullptr);
9391 :
9392 : // Implementation that directly hacks the GeoPackage geometry blob header
9393 2073 : sqlite3_create_function(hDB, "SetSRID", 2, UTF8_INNOCUOUS, nullptr,
9394 : OGRGeoPackageSetSRID, nullptr, nullptr);
9395 :
9396 : // GDAL specific function
9397 2073 : sqlite3_create_function(hDB, "ImportFromEPSG", 1, SQLITE_UTF8, this,
9398 : OGRGeoPackageImportFromEPSG, nullptr, nullptr);
9399 :
9400 : // May be used by ogrmerge.py
9401 2073 : sqlite3_create_function(hDB, "RegisterGeometryExtension", 3, SQLITE_UTF8,
9402 : this, OGRGeoPackageRegisterGeometryExtension,
9403 : nullptr, nullptr);
9404 :
9405 2073 : if (OGRGeometryFactory::haveGEOS())
9406 : {
9407 2073 : sqlite3_create_function(hDB, "ST_MakeValid", 1, UTF8_INNOCUOUS, nullptr,
9408 : OGRGeoPackageSTMakeValid, nullptr, nullptr);
9409 : }
9410 :
9411 2073 : sqlite3_create_function(hDB, "ST_Length", 1, UTF8_INNOCUOUS, nullptr,
9412 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9413 : nullptr);
9414 2073 : sqlite3_create_function(hDB, "ST_Length", 2, UTF8_INNOCUOUS, this,
9415 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9416 : nullptr);
9417 :
9418 2073 : sqlite3_create_function(hDB, "ST_Area", 1, UTF8_INNOCUOUS, nullptr,
9419 : OGRGeoPackageSTArea, nullptr, nullptr);
9420 2073 : sqlite3_create_function(hDB, "ST_Area", 2, UTF8_INNOCUOUS, this,
9421 : OGRGeoPackageGeodesicArea, nullptr, nullptr);
9422 :
9423 : // Debug functions
9424 2073 : if (CPLTestBool(CPLGetConfigOption("GPKG_DEBUG", "FALSE")))
9425 : {
9426 422 : sqlite3_create_function(hDB, "GDAL_GetMimeType", 1,
9427 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9428 : GPKG_GDAL_GetMimeType, nullptr, nullptr);
9429 422 : sqlite3_create_function(hDB, "GDAL_GetBandCount", 1,
9430 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9431 : GPKG_GDAL_GetBandCount, nullptr, nullptr);
9432 422 : sqlite3_create_function(hDB, "GDAL_HasColorTable", 1,
9433 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9434 : GPKG_GDAL_HasColorTable, nullptr, nullptr);
9435 : }
9436 :
9437 2073 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 5, SQLITE_UTF8,
9438 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9439 : nullptr);
9440 2073 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 6, SQLITE_UTF8,
9441 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9442 : nullptr);
9443 :
9444 : // Function from VirtualOGR
9445 2073 : sqlite3_create_function(hDB, "ogr_layer_Extent", 1, SQLITE_UTF8, this,
9446 : GPKG_ogr_layer_Extent, nullptr, nullptr);
9447 :
9448 2073 : m_pSQLFunctionData = OGRSQLiteRegisterSQLFunctionsCommon(hDB);
9449 2073 : }
9450 :
9451 : /************************************************************************/
9452 : /* OpenOrCreateDB() */
9453 : /************************************************************************/
9454 :
9455 2077 : bool GDALGeoPackageDataset::OpenOrCreateDB(int flags)
9456 : {
9457 2077 : const bool bSuccess = OGRSQLiteBaseDataSource::OpenOrCreateDB(
9458 : flags, /*bRegisterOGR2SQLiteExtensions=*/false,
9459 : /*bLoadExtensions=*/true);
9460 2077 : if (!bSuccess)
9461 9 : return false;
9462 :
9463 : // Turning on recursive_triggers is needed so that DELETE triggers fire
9464 : // in a INSERT OR REPLACE statement. In particular this is needed to
9465 : // make sure gpkg_ogr_contents.feature_count is properly updated.
9466 2068 : SQLCommand(hDB, "PRAGMA recursive_triggers = 1");
9467 :
9468 2068 : InstallSQLFunctions();
9469 :
9470 : const char *pszSqlitePragma =
9471 2068 : CPLGetConfigOption("OGR_SQLITE_PRAGMA", nullptr);
9472 2068 : OGRErr eErr = OGRERR_NONE;
9473 6 : if ((!pszSqlitePragma || !strstr(pszSqlitePragma, "trusted_schema")) &&
9474 : // Older sqlite versions don't have this pragma
9475 4142 : SQLGetInteger(hDB, "PRAGMA trusted_schema", &eErr) == 0 &&
9476 2068 : eErr == OGRERR_NONE)
9477 : {
9478 2068 : bool bNeedsTrustedSchema = false;
9479 :
9480 : // Current SQLite versions require PRAGMA trusted_schema = 1 to be
9481 : // able to use the RTree from triggers, which is only needed when
9482 : // modifying the RTree.
9483 5094 : if (((flags & SQLITE_OPEN_READWRITE) != 0 ||
9484 3178 : (flags & SQLITE_OPEN_CREATE) != 0) &&
9485 1110 : OGRSQLiteRTreeRequiresTrustedSchemaOn())
9486 : {
9487 1110 : bNeedsTrustedSchema = true;
9488 : }
9489 :
9490 : #ifdef HAVE_SPATIALITE
9491 : // Spatialite <= 5.1.0 doesn't declare its functions as SQLITE_INNOCUOUS
9492 958 : if (!bNeedsTrustedSchema && HasExtensionsTable() &&
9493 877 : SQLGetInteger(
9494 : hDB,
9495 : "SELECT 1 FROM gpkg_extensions WHERE "
9496 : "extension_name ='gdal_spatialite_computed_geom_column'",
9497 1 : nullptr) == 1 &&
9498 3026 : SpatialiteRequiresTrustedSchemaOn() && AreSpatialiteTriggersSafe())
9499 : {
9500 1 : bNeedsTrustedSchema = true;
9501 : }
9502 : #endif
9503 :
9504 2068 : if (bNeedsTrustedSchema)
9505 : {
9506 1111 : CPLDebug("GPKG", "Setting PRAGMA trusted_schema = 1");
9507 1111 : SQLCommand(hDB, "PRAGMA trusted_schema = 1");
9508 : }
9509 : }
9510 :
9511 : const char *pszPreludeStatements =
9512 2068 : CSLFetchNameValue(papszOpenOptions, "PRELUDE_STATEMENTS");
9513 2068 : if (pszPreludeStatements)
9514 : {
9515 2 : if (SQLCommand(hDB, pszPreludeStatements) != OGRERR_NONE)
9516 0 : return false;
9517 : }
9518 :
9519 2068 : return true;
9520 : }
9521 :
9522 : /************************************************************************/
9523 : /* GetLayerWithGetSpatialWhereByName() */
9524 : /************************************************************************/
9525 :
9526 : std::pair<OGRLayer *, IOGRSQLiteGetSpatialWhere *>
9527 90 : GDALGeoPackageDataset::GetLayerWithGetSpatialWhereByName(const char *pszName)
9528 : {
9529 : OGRGeoPackageLayer *poRet =
9530 90 : cpl::down_cast<OGRGeoPackageLayer *>(GetLayerByName(pszName));
9531 90 : return std::pair(poRet, poRet);
9532 : }
9533 :
9534 : /************************************************************************/
9535 : /* CommitTransaction() */
9536 : /************************************************************************/
9537 :
9538 208 : OGRErr GDALGeoPackageDataset::CommitTransaction()
9539 :
9540 : {
9541 208 : if (m_nSoftTransactionLevel == 1)
9542 : {
9543 207 : FlushMetadata();
9544 463 : for (auto &poLayer : m_apoLayers)
9545 : {
9546 256 : poLayer->DoJobAtTransactionCommit();
9547 : }
9548 : }
9549 :
9550 208 : return OGRSQLiteBaseDataSource::CommitTransaction();
9551 : }
9552 :
9553 : /************************************************************************/
9554 : /* RollbackTransaction() */
9555 : /************************************************************************/
9556 :
9557 35 : OGRErr GDALGeoPackageDataset::RollbackTransaction()
9558 :
9559 : {
9560 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9561 70 : std::vector<bool> abAddTriggers;
9562 35 : std::vector<bool> abTriggersDeletedInTransaction;
9563 : #endif
9564 35 : if (m_nSoftTransactionLevel == 1)
9565 : {
9566 34 : FlushMetadata();
9567 70 : for (auto &poLayer : m_apoLayers)
9568 : {
9569 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9570 36 : abAddTriggers.push_back(poLayer->GetAddOGRFeatureCountTriggers());
9571 36 : abTriggersDeletedInTransaction.push_back(
9572 36 : poLayer->GetOGRFeatureCountTriggersDeletedInTransaction());
9573 36 : poLayer->SetAddOGRFeatureCountTriggers(false);
9574 : #endif
9575 36 : poLayer->DoJobAtTransactionRollback();
9576 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9577 36 : poLayer->DisableFeatureCount();
9578 : #endif
9579 : }
9580 : }
9581 :
9582 35 : const OGRErr eErr = OGRSQLiteBaseDataSource::RollbackTransaction();
9583 :
9584 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9585 35 : if (!abAddTriggers.empty())
9586 : {
9587 68 : for (size_t i = 0; i < m_apoLayers.size(); ++i)
9588 : {
9589 36 : auto &poLayer = m_apoLayers[i];
9590 36 : if (abTriggersDeletedInTransaction[i])
9591 : {
9592 7 : poLayer->SetOGRFeatureCountTriggersEnabled(true);
9593 : }
9594 : else
9595 : {
9596 29 : poLayer->SetAddOGRFeatureCountTriggers(abAddTriggers[i]);
9597 : }
9598 : }
9599 : }
9600 : #endif
9601 70 : return eErr;
9602 : }
9603 :
9604 : /************************************************************************/
9605 : /* GetGeometryTypeString() */
9606 : /************************************************************************/
9607 :
9608 : const char *
9609 1447 : GDALGeoPackageDataset::GetGeometryTypeString(OGRwkbGeometryType eType)
9610 : {
9611 1447 : const char *pszGPKGGeomType = OGRToOGCGeomType(eType);
9612 1459 : if (EQUAL(pszGPKGGeomType, "GEOMETRYCOLLECTION") &&
9613 12 : CPLTestBool(CPLGetConfigOption("OGR_GPKG_GEOMCOLLECTION", "NO")))
9614 : {
9615 0 : pszGPKGGeomType = "GEOMCOLLECTION";
9616 : }
9617 1447 : return pszGPKGGeomType;
9618 : }
9619 :
9620 : /************************************************************************/
9621 : /* GetFieldDomainNames() */
9622 : /************************************************************************/
9623 :
9624 : std::vector<std::string>
9625 11 : GDALGeoPackageDataset::GetFieldDomainNames(CSLConstList) const
9626 : {
9627 11 : if (!HasDataColumnConstraintsTable())
9628 4 : return std::vector<std::string>();
9629 :
9630 14 : std::vector<std::string> oDomainNamesList;
9631 :
9632 7 : std::unique_ptr<SQLResult> oResultTable;
9633 : {
9634 : std::string osSQL =
9635 : "SELECT DISTINCT constraint_name "
9636 : "FROM gpkg_data_column_constraints "
9637 : "WHERE constraint_name NOT LIKE '_%_domain_description' "
9638 : "ORDER BY constraint_name "
9639 7 : "LIMIT 10000" // to avoid denial of service
9640 : ;
9641 7 : oResultTable = SQLQuery(hDB, osSQL.c_str());
9642 7 : if (!oResultTable)
9643 0 : return oDomainNamesList;
9644 : }
9645 :
9646 7 : if (oResultTable->RowCount() == 10000)
9647 : {
9648 0 : CPLError(CE_Warning, CPLE_AppDefined,
9649 : "Number of rows returned for field domain names has been "
9650 : "truncated.");
9651 : }
9652 7 : else if (oResultTable->RowCount() > 0)
9653 : {
9654 7 : oDomainNamesList.reserve(oResultTable->RowCount());
9655 89 : for (int i = 0; i < oResultTable->RowCount(); i++)
9656 : {
9657 82 : const char *pszConstraintName = oResultTable->GetValue(0, i);
9658 82 : if (!pszConstraintName)
9659 0 : continue;
9660 :
9661 82 : oDomainNamesList.emplace_back(pszConstraintName);
9662 : }
9663 : }
9664 :
9665 7 : return oDomainNamesList;
9666 : }
9667 :
9668 : /************************************************************************/
9669 : /* GetFieldDomain() */
9670 : /************************************************************************/
9671 :
9672 : const OGRFieldDomain *
9673 102 : GDALGeoPackageDataset::GetFieldDomain(const std::string &name) const
9674 : {
9675 102 : const auto baseRet = GDALDataset::GetFieldDomain(name);
9676 102 : if (baseRet)
9677 42 : return baseRet;
9678 :
9679 60 : if (!HasDataColumnConstraintsTable())
9680 4 : return nullptr;
9681 :
9682 56 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
9683 56 : const char *min_is_inclusive =
9684 56 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
9685 56 : const char *max_is_inclusive =
9686 56 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
9687 :
9688 56 : std::unique_ptr<SQLResult> oResultTable;
9689 : // Note: for coded domains, we use a little trick by using a dummy
9690 : // _{domainname}_domain_description enum that has a single entry whose
9691 : // description is the description of the main domain.
9692 : {
9693 56 : char *pszSQL = sqlite3_mprintf(
9694 : "SELECT constraint_type, value, min, %s, "
9695 : "max, %s, description, constraint_name "
9696 : "FROM gpkg_data_column_constraints "
9697 : "WHERE constraint_name IN ('%q', "
9698 : "'_%q_domain_description') "
9699 : "AND length(constraint_type) < 100 " // to
9700 : // avoid
9701 : // denial
9702 : // of
9703 : // service
9704 : "AND (value IS NULL OR length(value) < "
9705 : "10000) " // to avoid denial
9706 : // of service
9707 : "AND (description IS NULL OR "
9708 : "length(description) < 10000) " // to
9709 : // avoid
9710 : // denial
9711 : // of
9712 : // service
9713 : "ORDER BY value "
9714 : "LIMIT 10000", // to avoid denial of
9715 : // service
9716 : min_is_inclusive, max_is_inclusive, name.c_str(), name.c_str());
9717 56 : oResultTable = SQLQuery(hDB, pszSQL);
9718 56 : sqlite3_free(pszSQL);
9719 56 : if (!oResultTable)
9720 0 : return nullptr;
9721 : }
9722 56 : if (oResultTable->RowCount() == 0)
9723 : {
9724 15 : return nullptr;
9725 : }
9726 41 : if (oResultTable->RowCount() == 10000)
9727 : {
9728 0 : CPLError(CE_Warning, CPLE_AppDefined,
9729 : "Number of rows returned for field domain %s has been "
9730 : "truncated.",
9731 : name.c_str());
9732 : }
9733 :
9734 : // Try to find the field domain data type from fields that implement it
9735 41 : int nFieldType = -1;
9736 41 : OGRFieldSubType eSubType = OFSTNone;
9737 41 : if (HasDataColumnsTable())
9738 : {
9739 36 : char *pszSQL = sqlite3_mprintf(
9740 : "SELECT table_name, column_name FROM gpkg_data_columns WHERE "
9741 : "constraint_name = '%q' LIMIT 10",
9742 : name.c_str());
9743 72 : auto oResultTable2 = SQLQuery(hDB, pszSQL);
9744 36 : sqlite3_free(pszSQL);
9745 36 : if (oResultTable2 && oResultTable2->RowCount() >= 1)
9746 : {
9747 46 : for (int iRecord = 0; iRecord < oResultTable2->RowCount();
9748 : iRecord++)
9749 : {
9750 23 : const char *pszTableName = oResultTable2->GetValue(0, iRecord);
9751 23 : const char *pszColumnName = oResultTable2->GetValue(1, iRecord);
9752 23 : if (pszTableName == nullptr || pszColumnName == nullptr)
9753 0 : continue;
9754 : OGRLayer *poLayer =
9755 46 : const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
9756 23 : pszTableName);
9757 23 : if (poLayer)
9758 : {
9759 23 : const auto poFDefn = poLayer->GetLayerDefn();
9760 23 : int nIdx = poFDefn->GetFieldIndex(pszColumnName);
9761 23 : if (nIdx >= 0)
9762 : {
9763 23 : const auto poFieldDefn = poFDefn->GetFieldDefn(nIdx);
9764 23 : const auto eType = poFieldDefn->GetType();
9765 23 : if (nFieldType < 0)
9766 : {
9767 23 : nFieldType = eType;
9768 23 : eSubType = poFieldDefn->GetSubType();
9769 : }
9770 0 : else if ((eType == OFTInteger64 || eType == OFTReal) &&
9771 : nFieldType == OFTInteger)
9772 : {
9773 : // ok
9774 : }
9775 0 : else if (eType == OFTInteger &&
9776 0 : (nFieldType == OFTInteger64 ||
9777 : nFieldType == OFTReal))
9778 : {
9779 0 : nFieldType = OFTInteger;
9780 0 : eSubType = OFSTNone;
9781 : }
9782 0 : else if (nFieldType != eType)
9783 : {
9784 0 : nFieldType = -1;
9785 0 : eSubType = OFSTNone;
9786 0 : break;
9787 : }
9788 : }
9789 : }
9790 : }
9791 : }
9792 : }
9793 :
9794 41 : std::unique_ptr<OGRFieldDomain> poDomain;
9795 82 : std::vector<OGRCodedValue> asValues;
9796 41 : bool error = false;
9797 82 : CPLString osLastConstraintType;
9798 41 : int nFieldTypeFromEnumCode = -1;
9799 82 : std::string osConstraintDescription;
9800 82 : std::string osDescrConstraintName("_");
9801 41 : osDescrConstraintName += name;
9802 41 : osDescrConstraintName += "_domain_description";
9803 100 : for (int iRecord = 0; iRecord < oResultTable->RowCount(); iRecord++)
9804 : {
9805 63 : const char *pszConstraintType = oResultTable->GetValue(0, iRecord);
9806 63 : if (pszConstraintType == nullptr)
9807 1 : continue;
9808 63 : const char *pszValue = oResultTable->GetValue(1, iRecord);
9809 63 : const char *pszMin = oResultTable->GetValue(2, iRecord);
9810 : const bool bIsMinIncluded =
9811 63 : oResultTable->GetValueAsInteger(3, iRecord) == 1;
9812 63 : const char *pszMax = oResultTable->GetValue(4, iRecord);
9813 : const bool bIsMaxIncluded =
9814 63 : oResultTable->GetValueAsInteger(5, iRecord) == 1;
9815 63 : const char *pszDescription = oResultTable->GetValue(6, iRecord);
9816 63 : const char *pszConstraintName = oResultTable->GetValue(7, iRecord);
9817 :
9818 63 : if (!osLastConstraintType.empty() && osLastConstraintType != "enum")
9819 : {
9820 1 : CPLError(CE_Failure, CPLE_AppDefined,
9821 : "Only constraint of type 'enum' can have multiple rows");
9822 1 : error = true;
9823 4 : break;
9824 : }
9825 :
9826 62 : if (strcmp(pszConstraintType, "enum") == 0)
9827 : {
9828 42 : if (pszValue == nullptr)
9829 : {
9830 1 : CPLError(CE_Failure, CPLE_AppDefined,
9831 : "NULL in 'value' column of enumeration");
9832 1 : error = true;
9833 1 : break;
9834 : }
9835 41 : if (osDescrConstraintName == pszConstraintName)
9836 : {
9837 1 : if (pszDescription)
9838 : {
9839 1 : osConstraintDescription = pszDescription;
9840 : }
9841 1 : continue;
9842 : }
9843 40 : if (asValues.empty())
9844 : {
9845 20 : asValues.reserve(oResultTable->RowCount() + 1);
9846 : }
9847 : OGRCodedValue cv;
9848 : // intended: the 'value' column in GPKG is actually the code
9849 40 : cv.pszCode = VSI_STRDUP_VERBOSE(pszValue);
9850 40 : if (cv.pszCode == nullptr)
9851 : {
9852 0 : error = true;
9853 0 : break;
9854 : }
9855 40 : if (pszDescription)
9856 : {
9857 29 : cv.pszValue = VSI_STRDUP_VERBOSE(pszDescription);
9858 29 : if (cv.pszValue == nullptr)
9859 : {
9860 0 : VSIFree(cv.pszCode);
9861 0 : error = true;
9862 0 : break;
9863 : }
9864 : }
9865 : else
9866 : {
9867 11 : cv.pszValue = nullptr;
9868 : }
9869 :
9870 : // If we can't get the data type from field definition, guess it
9871 : // from code.
9872 40 : if (nFieldType < 0 && nFieldTypeFromEnumCode != OFTString)
9873 : {
9874 18 : switch (CPLGetValueType(cv.pszCode))
9875 : {
9876 13 : case CPL_VALUE_INTEGER:
9877 : {
9878 13 : if (nFieldTypeFromEnumCode != OFTReal &&
9879 : nFieldTypeFromEnumCode != OFTInteger64)
9880 : {
9881 9 : const auto nVal = CPLAtoGIntBig(cv.pszCode);
9882 17 : if (nVal < std::numeric_limits<int>::min() ||
9883 8 : nVal > std::numeric_limits<int>::max())
9884 : {
9885 3 : nFieldTypeFromEnumCode = OFTInteger64;
9886 : }
9887 : else
9888 : {
9889 6 : nFieldTypeFromEnumCode = OFTInteger;
9890 : }
9891 : }
9892 13 : break;
9893 : }
9894 :
9895 3 : case CPL_VALUE_REAL:
9896 3 : nFieldTypeFromEnumCode = OFTReal;
9897 3 : break;
9898 :
9899 2 : case CPL_VALUE_STRING:
9900 2 : nFieldTypeFromEnumCode = OFTString;
9901 2 : break;
9902 : }
9903 : }
9904 :
9905 40 : asValues.emplace_back(cv);
9906 : }
9907 20 : else if (strcmp(pszConstraintType, "range") == 0)
9908 : {
9909 : OGRField sMin;
9910 : OGRField sMax;
9911 14 : OGR_RawField_SetUnset(&sMin);
9912 14 : OGR_RawField_SetUnset(&sMax);
9913 14 : if (nFieldType != OFTInteger && nFieldType != OFTInteger64)
9914 8 : nFieldType = OFTReal;
9915 27 : if (pszMin != nullptr &&
9916 13 : CPLAtof(pszMin) != -std::numeric_limits<double>::infinity())
9917 : {
9918 10 : if (nFieldType == OFTInteger)
9919 3 : sMin.Integer = atoi(pszMin);
9920 7 : else if (nFieldType == OFTInteger64)
9921 3 : sMin.Integer64 = CPLAtoGIntBig(pszMin);
9922 : else /* if( nFieldType == OFTReal ) */
9923 4 : sMin.Real = CPLAtof(pszMin);
9924 : }
9925 27 : if (pszMax != nullptr &&
9926 13 : CPLAtof(pszMax) != std::numeric_limits<double>::infinity())
9927 : {
9928 10 : if (nFieldType == OFTInteger)
9929 3 : sMax.Integer = atoi(pszMax);
9930 7 : else if (nFieldType == OFTInteger64)
9931 3 : sMax.Integer64 = CPLAtoGIntBig(pszMax);
9932 : else /* if( nFieldType == OFTReal ) */
9933 4 : sMax.Real = CPLAtof(pszMax);
9934 : }
9935 14 : poDomain = std::make_unique<OGRRangeFieldDomain>(
9936 14 : name, pszDescription ? pszDescription : "",
9937 28 : static_cast<OGRFieldType>(nFieldType), eSubType, sMin,
9938 14 : bIsMinIncluded, sMax, bIsMaxIncluded);
9939 : }
9940 6 : else if (strcmp(pszConstraintType, "glob") == 0)
9941 : {
9942 5 : if (pszValue == nullptr)
9943 : {
9944 1 : CPLError(CE_Failure, CPLE_AppDefined,
9945 : "NULL in 'value' column of glob");
9946 1 : error = true;
9947 1 : break;
9948 : }
9949 4 : if (nFieldType < 0)
9950 1 : nFieldType = OFTString;
9951 4 : poDomain = std::make_unique<OGRGlobFieldDomain>(
9952 4 : name, pszDescription ? pszDescription : "",
9953 12 : static_cast<OGRFieldType>(nFieldType), eSubType, pszValue);
9954 : }
9955 : else
9956 : {
9957 1 : CPLError(CE_Failure, CPLE_AppDefined,
9958 : "Unhandled constraint_type: %s", pszConstraintType);
9959 1 : error = true;
9960 1 : break;
9961 : }
9962 :
9963 58 : osLastConstraintType = pszConstraintType;
9964 : }
9965 :
9966 41 : if (!asValues.empty())
9967 : {
9968 20 : if (nFieldType < 0)
9969 9 : nFieldType = nFieldTypeFromEnumCode;
9970 20 : poDomain = std::make_unique<OGRCodedFieldDomain>(
9971 : name, osConstraintDescription,
9972 40 : static_cast<OGRFieldType>(nFieldType), eSubType,
9973 40 : std::move(asValues));
9974 : }
9975 :
9976 41 : if (error)
9977 : {
9978 4 : return nullptr;
9979 : }
9980 :
9981 37 : m_oMapFieldDomains[name] = std::move(poDomain);
9982 37 : return GDALDataset::GetFieldDomain(name);
9983 : }
9984 :
9985 : /************************************************************************/
9986 : /* AddFieldDomain() */
9987 : /************************************************************************/
9988 :
9989 18 : bool GDALGeoPackageDataset::AddFieldDomain(
9990 : std::unique_ptr<OGRFieldDomain> &&domain, std::string &failureReason)
9991 : {
9992 36 : const std::string domainName(domain->GetName());
9993 18 : if (!GetUpdate())
9994 : {
9995 0 : CPLError(CE_Failure, CPLE_NotSupported,
9996 : "AddFieldDomain() not supported on read-only dataset");
9997 0 : return false;
9998 : }
9999 18 : if (GetFieldDomain(domainName) != nullptr)
10000 : {
10001 1 : failureReason = "A domain of identical name already exists";
10002 1 : return false;
10003 : }
10004 17 : if (!CreateColumnsTableAndColumnConstraintsTablesIfNecessary())
10005 0 : return false;
10006 :
10007 17 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
10008 17 : const char *min_is_inclusive =
10009 17 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
10010 17 : const char *max_is_inclusive =
10011 17 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
10012 :
10013 17 : const auto &osDescription = domain->GetDescription();
10014 17 : switch (domain->GetDomainType())
10015 : {
10016 11 : case OFDT_CODED:
10017 : {
10018 : const auto poCodedDomain =
10019 11 : cpl::down_cast<const OGRCodedFieldDomain *>(domain.get());
10020 11 : if (!osDescription.empty())
10021 : {
10022 : // We use a little trick by using a dummy
10023 : // _{domainname}_domain_description enum that has a single
10024 : // entry whose description is the description of the main
10025 : // domain.
10026 1 : char *pszSQL = sqlite3_mprintf(
10027 : "INSERT INTO gpkg_data_column_constraints ("
10028 : "constraint_name, constraint_type, value, "
10029 : "min, %s, max, %s, "
10030 : "description) VALUES ("
10031 : "'_%q_domain_description', 'enum', '', NULL, NULL, NULL, "
10032 : "NULL, %Q)",
10033 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10034 : osDescription.c_str());
10035 1 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
10036 1 : sqlite3_free(pszSQL);
10037 : }
10038 11 : const auto &enumeration = poCodedDomain->GetEnumeration();
10039 33 : for (int i = 0; enumeration[i].pszCode != nullptr; ++i)
10040 : {
10041 22 : char *pszSQL = sqlite3_mprintf(
10042 : "INSERT INTO gpkg_data_column_constraints ("
10043 : "constraint_name, constraint_type, value, "
10044 : "min, %s, max, %s, "
10045 : "description) VALUES ("
10046 : "'%q', 'enum', '%q', NULL, NULL, NULL, NULL, %Q)",
10047 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10048 22 : enumeration[i].pszCode, enumeration[i].pszValue);
10049 22 : bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10050 22 : sqlite3_free(pszSQL);
10051 22 : if (!ok)
10052 0 : return false;
10053 : }
10054 11 : break;
10055 : }
10056 :
10057 5 : case OFDT_RANGE:
10058 : {
10059 : const auto poRangeDomain =
10060 5 : cpl::down_cast<const OGRRangeFieldDomain *>(domain.get());
10061 5 : const auto eFieldType = poRangeDomain->GetFieldType();
10062 5 : if (eFieldType != OFTInteger && eFieldType != OFTInteger64 &&
10063 : eFieldType != OFTReal)
10064 : {
10065 : failureReason = "Only range domains of numeric type are "
10066 0 : "supported in GeoPackage";
10067 0 : return false;
10068 : }
10069 :
10070 5 : double dfMin = -std::numeric_limits<double>::infinity();
10071 5 : double dfMax = std::numeric_limits<double>::infinity();
10072 5 : bool bMinIsInclusive = true;
10073 5 : const auto &sMin = poRangeDomain->GetMin(bMinIsInclusive);
10074 5 : bool bMaxIsInclusive = true;
10075 5 : const auto &sMax = poRangeDomain->GetMax(bMaxIsInclusive);
10076 5 : if (eFieldType == OFTInteger)
10077 : {
10078 1 : if (!OGR_RawField_IsUnset(&sMin))
10079 1 : dfMin = sMin.Integer;
10080 1 : if (!OGR_RawField_IsUnset(&sMax))
10081 1 : dfMax = sMax.Integer;
10082 : }
10083 4 : else if (eFieldType == OFTInteger64)
10084 : {
10085 1 : if (!OGR_RawField_IsUnset(&sMin))
10086 1 : dfMin = static_cast<double>(sMin.Integer64);
10087 1 : if (!OGR_RawField_IsUnset(&sMax))
10088 1 : dfMax = static_cast<double>(sMax.Integer64);
10089 : }
10090 : else /* if( eFieldType == OFTReal ) */
10091 : {
10092 3 : if (!OGR_RawField_IsUnset(&sMin))
10093 3 : dfMin = sMin.Real;
10094 3 : if (!OGR_RawField_IsUnset(&sMax))
10095 3 : dfMax = sMax.Real;
10096 : }
10097 :
10098 5 : sqlite3_stmt *hInsertStmt = nullptr;
10099 : const char *pszSQL =
10100 5 : CPLSPrintf("INSERT INTO gpkg_data_column_constraints ("
10101 : "constraint_name, constraint_type, value, "
10102 : "min, %s, max, %s, "
10103 : "description) VALUES ("
10104 : "?, 'range', NULL, ?, ?, ?, ?, ?)",
10105 : min_is_inclusive, max_is_inclusive);
10106 5 : if (SQLPrepareWithError(hDB, pszSQL, -1, &hInsertStmt, nullptr) !=
10107 : SQLITE_OK)
10108 : {
10109 0 : return false;
10110 : }
10111 5 : sqlite3_bind_text(hInsertStmt, 1, domainName.c_str(),
10112 5 : static_cast<int>(domainName.size()),
10113 : SQLITE_TRANSIENT);
10114 5 : sqlite3_bind_double(hInsertStmt, 2, dfMin);
10115 5 : sqlite3_bind_int(hInsertStmt, 3, bMinIsInclusive ? 1 : 0);
10116 5 : sqlite3_bind_double(hInsertStmt, 4, dfMax);
10117 5 : sqlite3_bind_int(hInsertStmt, 5, bMaxIsInclusive ? 1 : 0);
10118 5 : if (osDescription.empty())
10119 : {
10120 3 : sqlite3_bind_null(hInsertStmt, 6);
10121 : }
10122 : else
10123 : {
10124 2 : sqlite3_bind_text(hInsertStmt, 6, osDescription.c_str(),
10125 2 : static_cast<int>(osDescription.size()),
10126 : SQLITE_TRANSIENT);
10127 : }
10128 5 : const int sqlite_err = sqlite3_step(hInsertStmt);
10129 5 : sqlite3_finalize(hInsertStmt);
10130 5 : if (sqlite_err != SQLITE_OK && sqlite_err != SQLITE_DONE)
10131 : {
10132 0 : CPLError(CE_Failure, CPLE_AppDefined,
10133 : "failed to execute insertion '%s': %s", pszSQL,
10134 : sqlite3_errmsg(hDB));
10135 0 : return false;
10136 : }
10137 :
10138 5 : break;
10139 : }
10140 :
10141 1 : case OFDT_GLOB:
10142 : {
10143 : const auto poGlobDomain =
10144 1 : cpl::down_cast<const OGRGlobFieldDomain *>(domain.get());
10145 2 : char *pszSQL = sqlite3_mprintf(
10146 : "INSERT INTO gpkg_data_column_constraints ("
10147 : "constraint_name, constraint_type, value, "
10148 : "min, %s, max, %s, "
10149 : "description) VALUES ("
10150 : "'%q', 'glob', '%q', NULL, NULL, NULL, NULL, %Q)",
10151 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10152 1 : poGlobDomain->GetGlob().c_str(),
10153 2 : osDescription.empty() ? nullptr : osDescription.c_str());
10154 1 : bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10155 1 : sqlite3_free(pszSQL);
10156 1 : if (!ok)
10157 0 : return false;
10158 :
10159 1 : break;
10160 : }
10161 : }
10162 :
10163 17 : m_oMapFieldDomains[domainName] = std::move(domain);
10164 17 : return true;
10165 : }
10166 :
10167 : /************************************************************************/
10168 : /* AddRelationship() */
10169 : /************************************************************************/
10170 :
10171 24 : bool GDALGeoPackageDataset::AddRelationship(
10172 : std::unique_ptr<GDALRelationship> &&relationship,
10173 : std::string &failureReason)
10174 : {
10175 24 : if (!GetUpdate())
10176 : {
10177 0 : CPLError(CE_Failure, CPLE_NotSupported,
10178 : "AddRelationship() not supported on read-only dataset");
10179 0 : return false;
10180 : }
10181 :
10182 : const std::string osRelationshipName = GenerateNameForRelationship(
10183 24 : relationship->GetLeftTableName().c_str(),
10184 24 : relationship->GetRightTableName().c_str(),
10185 96 : relationship->GetRelatedTableType().c_str());
10186 : // sanity checks
10187 24 : if (GetRelationship(osRelationshipName) != nullptr)
10188 : {
10189 1 : failureReason = "A relationship of identical name already exists";
10190 1 : return false;
10191 : }
10192 :
10193 23 : if (!ValidateRelationship(relationship.get(), failureReason))
10194 : {
10195 14 : return false;
10196 : }
10197 :
10198 9 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
10199 : {
10200 0 : return false;
10201 : }
10202 9 : if (!CreateRelationsTableIfNecessary())
10203 : {
10204 0 : failureReason = "Could not create gpkgext_relations table";
10205 0 : return false;
10206 : }
10207 9 : if (SQLGetInteger(GetDB(),
10208 : "SELECT 1 FROM gpkg_extensions WHERE "
10209 : "table_name = 'gpkgext_relations'",
10210 9 : nullptr) != 1)
10211 : {
10212 4 : if (OGRERR_NONE !=
10213 4 : SQLCommand(
10214 : GetDB(),
10215 : "INSERT INTO gpkg_extensions "
10216 : "(table_name,column_name,extension_name,definition,scope) "
10217 : "VALUES ('gpkgext_relations', NULL, 'gpkg_related_tables', "
10218 : "'http://www.geopackage.org/18-000.html', "
10219 : "'read-write')"))
10220 : {
10221 : failureReason =
10222 0 : "Could not create gpkg_extensions entry for gpkgext_relations";
10223 0 : return false;
10224 : }
10225 : }
10226 :
10227 9 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10228 9 : const std::string &osRightTableName = relationship->GetRightTableName();
10229 9 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10230 9 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10231 :
10232 18 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10233 9 : if (osRelatedTableType.empty())
10234 : {
10235 5 : osRelatedTableType = "features";
10236 : }
10237 :
10238 : // generate mapping table if not set
10239 18 : CPLString osMappingTableName = relationship->GetMappingTableName();
10240 9 : if (osMappingTableName.empty())
10241 : {
10242 3 : int nIndex = 1;
10243 3 : osMappingTableName = osLeftTableName + "_" + osRightTableName;
10244 3 : while (FindLayerIndex(osMappingTableName.c_str()) >= 0)
10245 : {
10246 0 : nIndex += 1;
10247 : osMappingTableName.Printf("%s_%s_%d", osLeftTableName.c_str(),
10248 0 : osRightTableName.c_str(), nIndex);
10249 : }
10250 :
10251 : // determine whether base/related keys are unique
10252 3 : bool bBaseKeyIsUnique = false;
10253 : {
10254 : const std::set<std::string> uniqueBaseFieldsUC =
10255 : SQLGetUniqueFieldUCConstraints(GetDB(),
10256 6 : osLeftTableName.c_str());
10257 6 : if (uniqueBaseFieldsUC.find(
10258 3 : CPLString(aosLeftTableFields[0]).toupper()) !=
10259 6 : uniqueBaseFieldsUC.end())
10260 : {
10261 2 : bBaseKeyIsUnique = true;
10262 : }
10263 : }
10264 3 : bool bRelatedKeyIsUnique = false;
10265 : {
10266 : const std::set<std::string> uniqueRelatedFieldsUC =
10267 : SQLGetUniqueFieldUCConstraints(GetDB(),
10268 6 : osRightTableName.c_str());
10269 6 : if (uniqueRelatedFieldsUC.find(
10270 3 : CPLString(aosRightTableFields[0]).toupper()) !=
10271 6 : uniqueRelatedFieldsUC.end())
10272 : {
10273 2 : bRelatedKeyIsUnique = true;
10274 : }
10275 : }
10276 :
10277 : // create mapping table
10278 :
10279 3 : std::string osBaseIdDefinition = "base_id INTEGER";
10280 3 : if (bBaseKeyIsUnique)
10281 : {
10282 2 : char *pszSQL = sqlite3_mprintf(
10283 : " CONSTRAINT 'fk_base_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10284 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10285 : "DEFERRED",
10286 : osMappingTableName.c_str(), osLeftTableName.c_str(),
10287 2 : aosLeftTableFields[0].c_str());
10288 2 : osBaseIdDefinition += pszSQL;
10289 2 : sqlite3_free(pszSQL);
10290 : }
10291 :
10292 3 : std::string osRelatedIdDefinition = "related_id INTEGER";
10293 3 : if (bRelatedKeyIsUnique)
10294 : {
10295 2 : char *pszSQL = sqlite3_mprintf(
10296 : " CONSTRAINT 'fk_related_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10297 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10298 : "DEFERRED",
10299 : osMappingTableName.c_str(), osRightTableName.c_str(),
10300 2 : aosRightTableFields[0].c_str());
10301 2 : osRelatedIdDefinition += pszSQL;
10302 2 : sqlite3_free(pszSQL);
10303 : }
10304 :
10305 3 : char *pszSQL = sqlite3_mprintf("CREATE TABLE \"%w\" ("
10306 : "id INTEGER PRIMARY KEY AUTOINCREMENT, "
10307 : "%s, %s);",
10308 : osMappingTableName.c_str(),
10309 : osBaseIdDefinition.c_str(),
10310 : osRelatedIdDefinition.c_str());
10311 3 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10312 3 : sqlite3_free(pszSQL);
10313 3 : if (eErr != OGRERR_NONE)
10314 : {
10315 : failureReason =
10316 0 : ("Could not create mapping table " + osMappingTableName)
10317 0 : .c_str();
10318 0 : return false;
10319 : }
10320 :
10321 : /*
10322 : * Strictly speaking we should NOT be inserting the mapping table into gpkg_contents.
10323 : * The related tables extension explicitly states that the mapping table should only be
10324 : * in the gpkgext_relations table and not in gpkg_contents. (See also discussion at
10325 : * https://github.com/opengeospatial/geopackage/issues/679).
10326 : *
10327 : * However, if we don't insert the mapping table into gpkg_contents then it is no longer
10328 : * visible to some clients (eg ESRI software only allows opening tables that are present
10329 : * in gpkg_contents). So we'll do this anyway, for maximum compatibility and flexibility.
10330 : *
10331 : * More related discussion is at https://github.com/OSGeo/gdal/pull/9258
10332 : */
10333 3 : pszSQL = sqlite3_mprintf(
10334 : "INSERT INTO gpkg_contents "
10335 : "(table_name,data_type,identifier,description,last_change,srs_id) "
10336 : "VALUES "
10337 : "('%q','attributes','%q','Mapping table for relationship between "
10338 : "%q and %q',%s,0)",
10339 : osMappingTableName.c_str(), /*table_name*/
10340 : osMappingTableName.c_str(), /*identifier*/
10341 : osLeftTableName.c_str(), /*description left table name*/
10342 : osRightTableName.c_str(), /*description right table name*/
10343 6 : GDALGeoPackageDataset::GetCurrentDateEscapedSQL().c_str());
10344 :
10345 : // Note -- we explicitly ignore failures here, because hey, we aren't really
10346 : // supposed to be adding this table to gpkg_contents anyway!
10347 3 : (void)SQLCommand(hDB, pszSQL);
10348 3 : sqlite3_free(pszSQL);
10349 :
10350 3 : pszSQL = sqlite3_mprintf(
10351 : "CREATE INDEX \"idx_%w_base_id\" ON \"%w\" (base_id);",
10352 : osMappingTableName.c_str(), osMappingTableName.c_str());
10353 3 : eErr = SQLCommand(hDB, pszSQL);
10354 3 : sqlite3_free(pszSQL);
10355 3 : if (eErr != OGRERR_NONE)
10356 : {
10357 0 : failureReason = ("Could not create index for " +
10358 0 : osMappingTableName + " (base_id)")
10359 0 : .c_str();
10360 0 : return false;
10361 : }
10362 :
10363 3 : pszSQL = sqlite3_mprintf(
10364 : "CREATE INDEX \"idx_%qw_related_id\" ON \"%w\" (related_id);",
10365 : osMappingTableName.c_str(), osMappingTableName.c_str());
10366 3 : eErr = SQLCommand(hDB, pszSQL);
10367 3 : sqlite3_free(pszSQL);
10368 3 : if (eErr != OGRERR_NONE)
10369 : {
10370 0 : failureReason = ("Could not create index for " +
10371 0 : osMappingTableName + " (related_id)")
10372 0 : .c_str();
10373 0 : return false;
10374 : }
10375 : }
10376 : else
10377 : {
10378 : // validate mapping table structure
10379 6 : if (OGRGeoPackageTableLayer *poLayer =
10380 6 : cpl::down_cast<OGRGeoPackageTableLayer *>(
10381 6 : GetLayerByName(osMappingTableName)))
10382 : {
10383 4 : if (poLayer->GetLayerDefn()->GetFieldIndex("base_id") < 0)
10384 : {
10385 : failureReason =
10386 2 : ("Field base_id must exist in " + osMappingTableName)
10387 1 : .c_str();
10388 1 : return false;
10389 : }
10390 3 : if (poLayer->GetLayerDefn()->GetFieldIndex("related_id") < 0)
10391 : {
10392 : failureReason =
10393 2 : ("Field related_id must exist in " + osMappingTableName)
10394 1 : .c_str();
10395 1 : return false;
10396 : }
10397 : }
10398 : else
10399 : {
10400 : failureReason =
10401 2 : ("Could not retrieve table " + osMappingTableName).c_str();
10402 2 : return false;
10403 : }
10404 : }
10405 :
10406 5 : char *pszSQL = sqlite3_mprintf(
10407 : "INSERT INTO gpkg_extensions "
10408 : "(table_name,column_name,extension_name,definition,scope) "
10409 : "VALUES ('%q', NULL, 'gpkg_related_tables', "
10410 : "'http://www.geopackage.org/18-000.html', "
10411 : "'read-write')",
10412 : osMappingTableName.c_str());
10413 5 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10414 5 : sqlite3_free(pszSQL);
10415 5 : if (eErr != OGRERR_NONE)
10416 : {
10417 0 : failureReason = ("Could not insert mapping table " +
10418 0 : osMappingTableName + " into gpkg_extensions")
10419 0 : .c_str();
10420 0 : return false;
10421 : }
10422 :
10423 15 : pszSQL = sqlite3_mprintf(
10424 : "INSERT INTO gpkgext_relations "
10425 : "(base_table_name,base_primary_column,related_table_name,related_"
10426 : "primary_column,relation_name,mapping_table_name) "
10427 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10428 5 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10429 5 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10430 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10431 5 : eErr = SQLCommand(hDB, pszSQL);
10432 5 : sqlite3_free(pszSQL);
10433 5 : if (eErr != OGRERR_NONE)
10434 : {
10435 0 : failureReason = "Could not insert relationship into gpkgext_relations";
10436 0 : return false;
10437 : }
10438 :
10439 5 : ClearCachedRelationships();
10440 5 : LoadRelationships();
10441 5 : return true;
10442 : }
10443 :
10444 : /************************************************************************/
10445 : /* DeleteRelationship() */
10446 : /************************************************************************/
10447 :
10448 4 : bool GDALGeoPackageDataset::DeleteRelationship(const std::string &name,
10449 : std::string &failureReason)
10450 : {
10451 4 : if (eAccess != GA_Update)
10452 : {
10453 0 : CPLError(CE_Failure, CPLE_NotSupported,
10454 : "DeleteRelationship() not supported on read-only dataset");
10455 0 : return false;
10456 : }
10457 :
10458 : // ensure relationships are up to date before we try to remove one
10459 4 : ClearCachedRelationships();
10460 4 : LoadRelationships();
10461 :
10462 8 : std::string osMappingTableName;
10463 : {
10464 4 : const GDALRelationship *poRelationship = GetRelationship(name);
10465 4 : if (poRelationship == nullptr)
10466 : {
10467 1 : failureReason = "Could not find relationship with name " + name;
10468 1 : return false;
10469 : }
10470 :
10471 3 : osMappingTableName = poRelationship->GetMappingTableName();
10472 : }
10473 :
10474 : // DeleteLayerCommon will delete existing relationship objects, so we can't
10475 : // refer to poRelationship or any of its members previously obtained here
10476 3 : if (DeleteLayerCommon(osMappingTableName.c_str()) != OGRERR_NONE)
10477 : {
10478 : failureReason =
10479 0 : "Could not remove mapping layer name " + osMappingTableName;
10480 :
10481 : // relationships may have been left in an inconsistent state -- reload
10482 : // them now
10483 0 : ClearCachedRelationships();
10484 0 : LoadRelationships();
10485 0 : return false;
10486 : }
10487 :
10488 3 : ClearCachedRelationships();
10489 3 : LoadRelationships();
10490 3 : return true;
10491 : }
10492 :
10493 : /************************************************************************/
10494 : /* UpdateRelationship() */
10495 : /************************************************************************/
10496 :
10497 6 : bool GDALGeoPackageDataset::UpdateRelationship(
10498 : std::unique_ptr<GDALRelationship> &&relationship,
10499 : std::string &failureReason)
10500 : {
10501 6 : if (eAccess != GA_Update)
10502 : {
10503 0 : CPLError(CE_Failure, CPLE_NotSupported,
10504 : "UpdateRelationship() not supported on read-only dataset");
10505 0 : return false;
10506 : }
10507 :
10508 : // ensure relationships are up to date before we try to update one
10509 6 : ClearCachedRelationships();
10510 6 : LoadRelationships();
10511 :
10512 6 : const std::string &osRelationshipName = relationship->GetName();
10513 6 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10514 6 : const std::string &osRightTableName = relationship->GetRightTableName();
10515 6 : const std::string &osMappingTableName = relationship->GetMappingTableName();
10516 6 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10517 6 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10518 :
10519 : // sanity checks
10520 : {
10521 : const GDALRelationship *poExistingRelationship =
10522 6 : GetRelationship(osRelationshipName);
10523 6 : if (poExistingRelationship == nullptr)
10524 : {
10525 : failureReason =
10526 1 : "The relationship should already exist to be updated";
10527 1 : return false;
10528 : }
10529 :
10530 5 : if (!ValidateRelationship(relationship.get(), failureReason))
10531 : {
10532 2 : return false;
10533 : }
10534 :
10535 : // we don't permit changes to the participating tables
10536 3 : if (osLeftTableName != poExistingRelationship->GetLeftTableName())
10537 : {
10538 0 : failureReason = ("Cannot change base table from " +
10539 0 : poExistingRelationship->GetLeftTableName() +
10540 0 : " to " + osLeftTableName)
10541 0 : .c_str();
10542 0 : return false;
10543 : }
10544 3 : if (osRightTableName != poExistingRelationship->GetRightTableName())
10545 : {
10546 0 : failureReason = ("Cannot change related table from " +
10547 0 : poExistingRelationship->GetRightTableName() +
10548 0 : " to " + osRightTableName)
10549 0 : .c_str();
10550 0 : return false;
10551 : }
10552 3 : if (osMappingTableName != poExistingRelationship->GetMappingTableName())
10553 : {
10554 0 : failureReason = ("Cannot change mapping table from " +
10555 0 : poExistingRelationship->GetMappingTableName() +
10556 0 : " to " + osMappingTableName)
10557 0 : .c_str();
10558 0 : return false;
10559 : }
10560 : }
10561 :
10562 6 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10563 3 : if (osRelatedTableType.empty())
10564 : {
10565 0 : osRelatedTableType = "features";
10566 : }
10567 :
10568 3 : char *pszSQL = sqlite3_mprintf(
10569 : "DELETE FROM gpkgext_relations WHERE mapping_table_name='%q'",
10570 : osMappingTableName.c_str());
10571 3 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10572 3 : sqlite3_free(pszSQL);
10573 3 : if (eErr != OGRERR_NONE)
10574 : {
10575 : failureReason =
10576 0 : "Could not delete old relationship from gpkgext_relations";
10577 0 : return false;
10578 : }
10579 :
10580 9 : pszSQL = sqlite3_mprintf(
10581 : "INSERT INTO gpkgext_relations "
10582 : "(base_table_name,base_primary_column,related_table_name,related_"
10583 : "primary_column,relation_name,mapping_table_name) "
10584 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10585 3 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10586 3 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10587 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10588 3 : eErr = SQLCommand(hDB, pszSQL);
10589 3 : sqlite3_free(pszSQL);
10590 3 : if (eErr != OGRERR_NONE)
10591 : {
10592 : failureReason =
10593 0 : "Could not insert updated relationship into gpkgext_relations";
10594 0 : return false;
10595 : }
10596 :
10597 3 : ClearCachedRelationships();
10598 3 : LoadRelationships();
10599 3 : return true;
10600 : }
10601 :
10602 : /************************************************************************/
10603 : /* GetSqliteMasterContent() */
10604 : /************************************************************************/
10605 :
10606 : const std::vector<SQLSqliteMasterContent> &
10607 2 : GDALGeoPackageDataset::GetSqliteMasterContent()
10608 : {
10609 2 : if (m_aoSqliteMasterContent.empty())
10610 : {
10611 : auto oResultTable =
10612 2 : SQLQuery(hDB, "SELECT sql, type, tbl_name FROM sqlite_master");
10613 1 : if (oResultTable)
10614 : {
10615 58 : for (int rowCnt = 0; rowCnt < oResultTable->RowCount(); ++rowCnt)
10616 : {
10617 114 : SQLSqliteMasterContent row;
10618 57 : const char *pszSQL = oResultTable->GetValue(0, rowCnt);
10619 57 : row.osSQL = pszSQL ? pszSQL : "";
10620 57 : const char *pszType = oResultTable->GetValue(1, rowCnt);
10621 57 : row.osType = pszType ? pszType : "";
10622 57 : const char *pszTableName = oResultTable->GetValue(2, rowCnt);
10623 57 : row.osTableName = pszTableName ? pszTableName : "";
10624 57 : m_aoSqliteMasterContent.emplace_back(std::move(row));
10625 : }
10626 : }
10627 : }
10628 2 : return m_aoSqliteMasterContent;
10629 : }
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