Line data Source code
1 : /******************************************************************************
2 : *
3 : * Project: GeoPackage Translator
4 : * Purpose: Implements GDALGeoPackageDataset class
5 : * Author: Paul Ramsey <pramsey@boundlessgeo.com>
6 : *
7 : ******************************************************************************
8 : * Copyright (c) 2013, Paul Ramsey <pramsey@boundlessgeo.com>
9 : * Copyright (c) 2014, Even Rouault <even dot rouault at spatialys.com>
10 : *
11 : * SPDX-License-Identifier: MIT
12 : ****************************************************************************/
13 :
14 : #include "ogr_geopackage.h"
15 : #include "ogr_p.h"
16 : #include "ogr_swq.h"
17 : #include "gdal_alg.h"
18 : #include "gdalwarper.h"
19 : #include "gdal_utils.h"
20 : #include "ogrgeopackageutility.h"
21 : #include "ogrsqliteutility.h"
22 : #include "ogr_wkb.h"
23 : #include "vrt/vrtdataset.h"
24 :
25 : #include "tilematrixset.hpp"
26 :
27 : #include <cstdlib>
28 :
29 : #include <algorithm>
30 : #include <limits>
31 : #include <sstream>
32 :
33 : #define COMPILATION_ALLOWED
34 : #define DEFINE_OGRSQLiteSQLFunctionsSetCaseSensitiveLike
35 : #include "ogrsqlitesqlfunctionscommon.cpp"
36 :
37 : // Keep in sync prototype of those 2 functions between gdalopeninfo.cpp,
38 : // ogrsqlitedatasource.cpp and ogrgeopackagedatasource.cpp
39 : void GDALOpenInfoDeclareFileNotToOpen(const char *pszFilename,
40 : const GByte *pabyHeader,
41 : int nHeaderBytes);
42 : void GDALOpenInfoUnDeclareFileNotToOpen(const char *pszFilename);
43 :
44 : /************************************************************************/
45 : /* Tiling schemes */
46 : /************************************************************************/
47 :
48 : typedef struct
49 : {
50 : const char *pszName;
51 : int nEPSGCode;
52 : double dfMinX;
53 : double dfMaxY;
54 : int nTileXCountZoomLevel0;
55 : int nTileYCountZoomLevel0;
56 : int nTileWidth;
57 : int nTileHeight;
58 : double dfPixelXSizeZoomLevel0;
59 : double dfPixelYSizeZoomLevel0;
60 : } TilingSchemeDefinition;
61 :
62 : static const TilingSchemeDefinition asTilingSchemes[] = {
63 : /* See http://portal.opengeospatial.org/files/?artifact_id=35326 (WMTS 1.0),
64 : Annex E.3 */
65 : {"GoogleCRS84Quad", 4326, -180.0, 180.0, 1, 1, 256, 256, 360.0 / 256,
66 : 360.0 / 256},
67 :
68 : /* See global-mercator at
69 : http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification */
70 : {"PseudoTMS_GlobalMercator", 3857, -20037508.34, 20037508.34, 2, 2, 256,
71 : 256, 78271.516, 78271.516},
72 : };
73 :
74 : // Setting it above 30 would lead to integer overflow ((1 << 31) > INT_MAX)
75 : constexpr int MAX_ZOOM_LEVEL = 30;
76 :
77 : /************************************************************************/
78 : /* GetTilingScheme() */
79 : /************************************************************************/
80 :
81 : static std::unique_ptr<TilingSchemeDefinition>
82 570 : GetTilingScheme(const char *pszName)
83 : {
84 570 : if (EQUAL(pszName, "CUSTOM"))
85 442 : return nullptr;
86 :
87 256 : for (const auto &tilingScheme : asTilingSchemes)
88 : {
89 195 : if (EQUAL(pszName, tilingScheme.pszName))
90 : {
91 67 : return std::make_unique<TilingSchemeDefinition>(tilingScheme);
92 : }
93 : }
94 :
95 61 : if (EQUAL(pszName, "PseudoTMS_GlobalGeodetic"))
96 6 : pszName = "InspireCRS84Quad";
97 :
98 122 : auto poTM = gdal::TileMatrixSet::parse(pszName);
99 61 : if (poTM == nullptr)
100 1 : return nullptr;
101 60 : if (!poTM->haveAllLevelsSameTopLeft())
102 : {
103 0 : CPLError(CE_Failure, CPLE_NotSupported,
104 : "Unsupported tiling scheme: not all zoom levels have same top "
105 : "left corner");
106 0 : return nullptr;
107 : }
108 60 : if (!poTM->haveAllLevelsSameTileSize())
109 : {
110 0 : CPLError(CE_Failure, CPLE_NotSupported,
111 : "Unsupported tiling scheme: not all zoom levels have same "
112 : "tile size");
113 0 : return nullptr;
114 : }
115 60 : if (!poTM->hasOnlyPowerOfTwoVaryingScales())
116 : {
117 1 : CPLError(CE_Failure, CPLE_NotSupported,
118 : "Unsupported tiling scheme: resolution of consecutive zoom "
119 : "levels is not always 2");
120 1 : return nullptr;
121 : }
122 59 : if (poTM->hasVariableMatrixWidth())
123 : {
124 0 : CPLError(CE_Failure, CPLE_NotSupported,
125 : "Unsupported tiling scheme: some levels have variable matrix "
126 : "width");
127 0 : return nullptr;
128 : }
129 118 : auto poTilingScheme = std::make_unique<TilingSchemeDefinition>();
130 59 : poTilingScheme->pszName = pszName;
131 :
132 118 : OGRSpatialReference oSRS;
133 59 : if (oSRS.SetFromUserInput(poTM->crs().c_str()) != OGRERR_NONE)
134 : {
135 0 : return nullptr;
136 : }
137 59 : if (poTM->crs() == "http://www.opengis.net/def/crs/OGC/1.3/CRS84")
138 : {
139 6 : poTilingScheme->nEPSGCode = 4326;
140 : }
141 : else
142 : {
143 53 : const char *pszAuthName = oSRS.GetAuthorityName(nullptr);
144 53 : const char *pszAuthCode = oSRS.GetAuthorityCode(nullptr);
145 53 : if (pszAuthName == nullptr || !EQUAL(pszAuthName, "EPSG") ||
146 : pszAuthCode == nullptr)
147 : {
148 0 : CPLError(CE_Failure, CPLE_NotSupported,
149 : "Unsupported tiling scheme: only EPSG CRS supported");
150 0 : return nullptr;
151 : }
152 53 : poTilingScheme->nEPSGCode = atoi(pszAuthCode);
153 : }
154 59 : const auto &zoomLevel0 = poTM->tileMatrixList()[0];
155 59 : poTilingScheme->dfMinX = zoomLevel0.mTopLeftX;
156 59 : poTilingScheme->dfMaxY = zoomLevel0.mTopLeftY;
157 59 : poTilingScheme->nTileXCountZoomLevel0 = zoomLevel0.mMatrixWidth;
158 59 : poTilingScheme->nTileYCountZoomLevel0 = zoomLevel0.mMatrixHeight;
159 59 : poTilingScheme->nTileWidth = zoomLevel0.mTileWidth;
160 59 : poTilingScheme->nTileHeight = zoomLevel0.mTileHeight;
161 59 : poTilingScheme->dfPixelXSizeZoomLevel0 = zoomLevel0.mResX;
162 59 : poTilingScheme->dfPixelYSizeZoomLevel0 = zoomLevel0.mResY;
163 :
164 118 : const bool bInvertAxis = oSRS.EPSGTreatsAsLatLong() != FALSE ||
165 59 : oSRS.EPSGTreatsAsNorthingEasting() != FALSE;
166 59 : if (bInvertAxis)
167 : {
168 6 : std::swap(poTilingScheme->dfMinX, poTilingScheme->dfMaxY);
169 6 : std::swap(poTilingScheme->dfPixelXSizeZoomLevel0,
170 6 : poTilingScheme->dfPixelYSizeZoomLevel0);
171 : }
172 59 : return poTilingScheme;
173 : }
174 :
175 : static const char *pszCREATE_GPKG_GEOMETRY_COLUMNS =
176 : "CREATE TABLE gpkg_geometry_columns ("
177 : "table_name TEXT NOT NULL,"
178 : "column_name TEXT NOT NULL,"
179 : "geometry_type_name TEXT NOT NULL,"
180 : "srs_id INTEGER NOT NULL,"
181 : "z TINYINT NOT NULL,"
182 : "m TINYINT NOT NULL,"
183 : "CONSTRAINT pk_geom_cols PRIMARY KEY (table_name, column_name),"
184 : "CONSTRAINT uk_gc_table_name UNIQUE (table_name),"
185 : "CONSTRAINT fk_gc_tn FOREIGN KEY (table_name) REFERENCES "
186 : "gpkg_contents(table_name),"
187 : "CONSTRAINT fk_gc_srs FOREIGN KEY (srs_id) REFERENCES gpkg_spatial_ref_sys "
188 : "(srs_id)"
189 : ")";
190 :
191 976 : OGRErr GDALGeoPackageDataset::SetApplicationAndUserVersionId()
192 : {
193 976 : CPLAssert(hDB != nullptr);
194 :
195 976 : const CPLString osPragma(CPLString().Printf("PRAGMA application_id = %u;"
196 : "PRAGMA user_version = %u",
197 : m_nApplicationId,
198 1952 : m_nUserVersion));
199 1952 : return SQLCommand(hDB, osPragma.c_str());
200 : }
201 :
202 2639 : bool GDALGeoPackageDataset::CloseDB()
203 : {
204 2639 : OGRSQLiteUnregisterSQLFunctions(m_pSQLFunctionData);
205 2639 : m_pSQLFunctionData = nullptr;
206 2639 : return OGRSQLiteBaseDataSource::CloseDB();
207 : }
208 :
209 11 : bool GDALGeoPackageDataset::ReOpenDB()
210 : {
211 11 : CPLAssert(hDB != nullptr);
212 11 : CPLAssert(m_pszFilename != nullptr);
213 :
214 11 : FinishSpatialite();
215 :
216 11 : CloseDB();
217 :
218 : /* And re-open the file */
219 11 : return OpenOrCreateDB(SQLITE_OPEN_READWRITE);
220 : }
221 :
222 831 : static OGRErr GDALGPKGImportFromEPSG(OGRSpatialReference *poSpatialRef,
223 : int nEPSGCode)
224 : {
225 831 : CPLPushErrorHandler(CPLQuietErrorHandler);
226 831 : const OGRErr eErr = poSpatialRef->importFromEPSG(nEPSGCode);
227 831 : CPLPopErrorHandler();
228 831 : CPLErrorReset();
229 831 : return eErr;
230 : }
231 :
232 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>
233 1274 : GDALGeoPackageDataset::GetSpatialRef(int iSrsId, bool bFallbackToEPSG,
234 : bool bEmitErrorIfNotFound)
235 : {
236 1274 : const auto oIter = m_oMapSrsIdToSrs.find(iSrsId);
237 1274 : if (oIter != m_oMapSrsIdToSrs.end())
238 : {
239 91 : if (oIter->second == nullptr)
240 33 : return nullptr;
241 58 : oIter->second->Reference();
242 : return std::unique_ptr<OGRSpatialReference,
243 58 : OGRSpatialReferenceReleaser>(oIter->second);
244 : }
245 :
246 1183 : if (iSrsId == 0 || iSrsId == -1)
247 : {
248 119 : OGRSpatialReference *poSpatialRef = new OGRSpatialReference();
249 119 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
250 :
251 : // See corresponding tests in GDALGeoPackageDataset::GetSrsId
252 119 : if (iSrsId == 0)
253 : {
254 29 : poSpatialRef->SetGeogCS("Undefined geographic SRS", "unknown",
255 : "unknown", SRS_WGS84_SEMIMAJOR,
256 : SRS_WGS84_INVFLATTENING);
257 : }
258 90 : else if (iSrsId == -1)
259 : {
260 90 : poSpatialRef->SetLocalCS("Undefined Cartesian SRS");
261 90 : poSpatialRef->SetLinearUnits(SRS_UL_METER, 1.0);
262 : }
263 :
264 119 : m_oMapSrsIdToSrs[iSrsId] = poSpatialRef;
265 119 : poSpatialRef->Reference();
266 : return std::unique_ptr<OGRSpatialReference,
267 119 : OGRSpatialReferenceReleaser>(poSpatialRef);
268 : }
269 :
270 2128 : CPLString oSQL;
271 1064 : oSQL.Printf("SELECT srs_name, definition, organization, "
272 : "organization_coordsys_id%s%s "
273 : "FROM gpkg_spatial_ref_sys WHERE "
274 : "srs_id = %d LIMIT 2",
275 1064 : m_bHasDefinition12_063 ? ", definition_12_063" : "",
276 1064 : m_bHasEpochColumn ? ", epoch" : "", iSrsId);
277 :
278 2128 : auto oResult = SQLQuery(hDB, oSQL.c_str());
279 :
280 1064 : if (!oResult || oResult->RowCount() != 1)
281 : {
282 12 : if (bFallbackToEPSG)
283 : {
284 7 : CPLDebug("GPKG",
285 : "unable to read srs_id '%d' from gpkg_spatial_ref_sys",
286 : iSrsId);
287 7 : OGRSpatialReference *poSRS = new OGRSpatialReference();
288 7 : if (poSRS->importFromEPSG(iSrsId) == OGRERR_NONE)
289 : {
290 5 : poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
291 : return std::unique_ptr<OGRSpatialReference,
292 5 : OGRSpatialReferenceReleaser>(poSRS);
293 : }
294 2 : poSRS->Release();
295 : }
296 5 : else if (bEmitErrorIfNotFound)
297 : {
298 2 : CPLError(CE_Warning, CPLE_AppDefined,
299 : "unable to read srs_id '%d' from gpkg_spatial_ref_sys",
300 : iSrsId);
301 2 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
302 : }
303 7 : return nullptr;
304 : }
305 :
306 1052 : const char *pszName = oResult->GetValue(0, 0);
307 1052 : if (pszName && EQUAL(pszName, "Undefined SRS"))
308 : {
309 457 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
310 457 : return nullptr;
311 : }
312 595 : const char *pszWkt = oResult->GetValue(1, 0);
313 595 : if (pszWkt == nullptr)
314 0 : return nullptr;
315 595 : const char *pszOrganization = oResult->GetValue(2, 0);
316 595 : const char *pszOrganizationCoordsysID = oResult->GetValue(3, 0);
317 : const char *pszWkt2 =
318 595 : m_bHasDefinition12_063 ? oResult->GetValue(4, 0) : nullptr;
319 595 : if (pszWkt2 && !EQUAL(pszWkt2, "undefined"))
320 76 : pszWkt = pszWkt2;
321 : const char *pszCoordinateEpoch =
322 595 : m_bHasEpochColumn ? oResult->GetValue(5, 0) : nullptr;
323 : const double dfCoordinateEpoch =
324 595 : pszCoordinateEpoch ? CPLAtof(pszCoordinateEpoch) : 0.0;
325 :
326 595 : OGRSpatialReference *poSpatialRef = new OGRSpatialReference();
327 595 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
328 : // Try to import first from EPSG code, and then from WKT
329 595 : if (!(pszOrganization && pszOrganizationCoordsysID &&
330 595 : EQUAL(pszOrganization, "EPSG") &&
331 575 : (atoi(pszOrganizationCoordsysID) == iSrsId ||
332 4 : (dfCoordinateEpoch > 0 && strstr(pszWkt, "DYNAMIC[") == nullptr)) &&
333 575 : GDALGPKGImportFromEPSG(
334 1190 : poSpatialRef, atoi(pszOrganizationCoordsysID)) == OGRERR_NONE) &&
335 20 : poSpatialRef->importFromWkt(pszWkt) != OGRERR_NONE)
336 : {
337 0 : CPLError(CE_Warning, CPLE_AppDefined,
338 : "Unable to parse srs_id '%d' well-known text '%s'", iSrsId,
339 : pszWkt);
340 0 : delete poSpatialRef;
341 0 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
342 0 : return nullptr;
343 : }
344 :
345 595 : poSpatialRef->StripTOWGS84IfKnownDatumAndAllowed();
346 595 : poSpatialRef->SetCoordinateEpoch(dfCoordinateEpoch);
347 595 : m_oMapSrsIdToSrs[iSrsId] = poSpatialRef;
348 595 : poSpatialRef->Reference();
349 : return std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>(
350 595 : poSpatialRef);
351 : }
352 :
353 285 : const char *GDALGeoPackageDataset::GetSrsName(const OGRSpatialReference &oSRS)
354 : {
355 285 : const char *pszName = oSRS.GetName();
356 285 : if (pszName)
357 285 : return pszName;
358 :
359 : // Something odd. Return empty.
360 0 : return "Unnamed SRS";
361 : }
362 :
363 : /* Add the definition_12_063 column to an existing gpkg_spatial_ref_sys table */
364 7 : bool GDALGeoPackageDataset::ConvertGpkgSpatialRefSysToExtensionWkt2(
365 : bool bForceEpoch)
366 : {
367 7 : const bool bAddEpoch = (m_nUserVersion >= GPKG_1_4_VERSION || bForceEpoch);
368 : auto oResultTable = SQLQuery(
369 : hDB, "SELECT srs_name, srs_id, organization, organization_coordsys_id, "
370 14 : "definition, description FROM gpkg_spatial_ref_sys LIMIT 100000");
371 7 : if (!oResultTable)
372 0 : return false;
373 :
374 : // Temporary remove foreign key checks
375 : const GPKGTemporaryForeignKeyCheckDisabler
376 7 : oGPKGTemporaryForeignKeyCheckDisabler(this);
377 :
378 7 : bool bRet = SoftStartTransaction() == OGRERR_NONE;
379 :
380 7 : if (bRet)
381 : {
382 : std::string osSQL("CREATE TABLE gpkg_spatial_ref_sys_temp ("
383 : "srs_name TEXT NOT NULL,"
384 : "srs_id INTEGER NOT NULL PRIMARY KEY,"
385 : "organization TEXT NOT NULL,"
386 : "organization_coordsys_id INTEGER NOT NULL,"
387 : "definition TEXT NOT NULL,"
388 : "description TEXT, "
389 7 : "definition_12_063 TEXT NOT NULL");
390 7 : if (bAddEpoch)
391 6 : osSQL += ", epoch DOUBLE";
392 7 : osSQL += ")";
393 7 : bRet = SQLCommand(hDB, osSQL.c_str()) == OGRERR_NONE;
394 : }
395 :
396 7 : if (bRet)
397 : {
398 32 : for (int i = 0; bRet && i < oResultTable->RowCount(); i++)
399 : {
400 25 : const char *pszSrsName = oResultTable->GetValue(0, i);
401 25 : const char *pszSrsId = oResultTable->GetValue(1, i);
402 25 : const char *pszOrganization = oResultTable->GetValue(2, i);
403 : const char *pszOrganizationCoordsysID =
404 25 : oResultTable->GetValue(3, i);
405 25 : const char *pszDefinition = oResultTable->GetValue(4, i);
406 : if (pszSrsName == nullptr || pszSrsId == nullptr ||
407 : pszOrganization == nullptr ||
408 : pszOrganizationCoordsysID == nullptr)
409 : {
410 : // should not happen as there are NOT NULL constraints
411 : // But a database could lack such NOT NULL constraints or have
412 : // large values that would cause a memory allocation failure.
413 : }
414 25 : const char *pszDescription = oResultTable->GetValue(5, i);
415 : char *pszSQL;
416 :
417 50 : OGRSpatialReference oSRS;
418 25 : if (pszOrganization && pszOrganizationCoordsysID &&
419 25 : EQUAL(pszOrganization, "EPSG"))
420 : {
421 9 : oSRS.importFromEPSG(atoi(pszOrganizationCoordsysID));
422 : }
423 34 : if (!oSRS.IsEmpty() && pszDefinition &&
424 9 : !EQUAL(pszDefinition, "undefined"))
425 : {
426 9 : oSRS.SetFromUserInput(pszDefinition);
427 : }
428 25 : char *pszWKT2 = nullptr;
429 25 : if (!oSRS.IsEmpty())
430 : {
431 9 : const char *const apszOptionsWkt2[] = {"FORMAT=WKT2_2015",
432 : nullptr};
433 9 : oSRS.exportToWkt(&pszWKT2, apszOptionsWkt2);
434 9 : if (pszWKT2 && pszWKT2[0] == '\0')
435 : {
436 0 : CPLFree(pszWKT2);
437 0 : pszWKT2 = nullptr;
438 : }
439 : }
440 25 : if (pszWKT2 == nullptr)
441 : {
442 16 : pszWKT2 = CPLStrdup("undefined");
443 : }
444 :
445 25 : if (pszDescription)
446 : {
447 22 : pszSQL = sqlite3_mprintf(
448 : "INSERT INTO gpkg_spatial_ref_sys_temp(srs_name, srs_id, "
449 : "organization, organization_coordsys_id, definition, "
450 : "description, definition_12_063) VALUES ('%q', '%q', '%q', "
451 : "'%q', '%q', '%q', '%q')",
452 : pszSrsName, pszSrsId, pszOrganization,
453 : pszOrganizationCoordsysID, pszDefinition, pszDescription,
454 : pszWKT2);
455 : }
456 : else
457 : {
458 3 : pszSQL = sqlite3_mprintf(
459 : "INSERT INTO gpkg_spatial_ref_sys_temp(srs_name, srs_id, "
460 : "organization, organization_coordsys_id, definition, "
461 : "description, definition_12_063) VALUES ('%q', '%q', '%q', "
462 : "'%q', '%q', NULL, '%q')",
463 : pszSrsName, pszSrsId, pszOrganization,
464 : pszOrganizationCoordsysID, pszDefinition, pszWKT2);
465 : }
466 :
467 25 : CPLFree(pszWKT2);
468 25 : bRet &= SQLCommand(hDB, pszSQL) == OGRERR_NONE;
469 25 : sqlite3_free(pszSQL);
470 : }
471 : }
472 :
473 7 : if (bRet)
474 : {
475 7 : bRet =
476 7 : SQLCommand(hDB, "DROP TABLE gpkg_spatial_ref_sys") == OGRERR_NONE;
477 : }
478 7 : if (bRet)
479 : {
480 7 : bRet = SQLCommand(hDB, "ALTER TABLE gpkg_spatial_ref_sys_temp RENAME "
481 : "TO gpkg_spatial_ref_sys") == OGRERR_NONE;
482 : }
483 7 : if (bRet)
484 : {
485 14 : bRet = OGRERR_NONE == CreateExtensionsTableIfNecessary() &&
486 7 : OGRERR_NONE == SQLCommand(hDB,
487 : "INSERT INTO gpkg_extensions "
488 : "(table_name, column_name, "
489 : "extension_name, definition, scope) "
490 : "VALUES "
491 : "('gpkg_spatial_ref_sys', "
492 : "'definition_12_063', 'gpkg_crs_wkt', "
493 : "'http://www.geopackage.org/spec120/"
494 : "#extension_crs_wkt', 'read-write')");
495 : }
496 7 : if (bRet && bAddEpoch)
497 : {
498 6 : bRet =
499 : OGRERR_NONE ==
500 6 : SQLCommand(hDB, "UPDATE gpkg_extensions SET extension_name = "
501 : "'gpkg_crs_wkt_1_1' "
502 12 : "WHERE extension_name = 'gpkg_crs_wkt'") &&
503 : OGRERR_NONE ==
504 6 : SQLCommand(
505 : hDB,
506 : "INSERT INTO gpkg_extensions "
507 : "(table_name, column_name, extension_name, definition, "
508 : "scope) "
509 : "VALUES "
510 : "('gpkg_spatial_ref_sys', 'epoch', 'gpkg_crs_wkt_1_1', "
511 : "'http://www.geopackage.org/spec/#extension_crs_wkt', "
512 : "'read-write')");
513 : }
514 7 : if (bRet)
515 : {
516 7 : SoftCommitTransaction();
517 7 : m_bHasDefinition12_063 = true;
518 7 : if (bAddEpoch)
519 6 : m_bHasEpochColumn = true;
520 : }
521 : else
522 : {
523 0 : SoftRollbackTransaction();
524 : }
525 :
526 7 : return bRet;
527 : }
528 :
529 939 : int GDALGeoPackageDataset::GetSrsId(const OGRSpatialReference *poSRSIn)
530 : {
531 939 : const char *pszName = poSRSIn ? poSRSIn->GetName() : nullptr;
532 1350 : if (!poSRSIn || poSRSIn->IsEmpty() ||
533 411 : (pszName && EQUAL(pszName, "Undefined SRS")))
534 : {
535 530 : OGRErr err = OGRERR_NONE;
536 530 : const int nSRSId = SQLGetInteger(
537 : hDB,
538 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE srs_name = "
539 : "'Undefined SRS' AND organization = 'GDAL'",
540 : &err);
541 530 : if (err == OGRERR_NONE)
542 57 : return nSRSId;
543 :
544 : // The below WKT definitions are somehow questionable (using a unknown
545 : // unit). For GDAL >= 3.9, they won't be used. They will only be used
546 : // for earlier versions.
547 : const char *pszSQL;
548 : #define UNDEFINED_CRS_SRS_ID 99999
549 : static_assert(UNDEFINED_CRS_SRS_ID == FIRST_CUSTOM_SRSID - 1);
550 : #define STRINGIFY(x) #x
551 : #define XSTRINGIFY(x) STRINGIFY(x)
552 473 : if (m_bHasDefinition12_063)
553 : {
554 : /* clang-format off */
555 1 : pszSQL =
556 : "INSERT INTO gpkg_spatial_ref_sys "
557 : "(srs_name,srs_id,organization,organization_coordsys_id,"
558 : "definition, definition_12_063, description) VALUES "
559 : "('Undefined SRS'," XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ",'GDAL',"
560 : XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ","
561 : "'LOCAL_CS[\"Undefined SRS\",LOCAL_DATUM[\"unknown\",32767],"
562 : "UNIT[\"unknown\",0],AXIS[\"Easting\",EAST],"
563 : "AXIS[\"Northing\",NORTH]]',"
564 : "'ENGCRS[\"Undefined SRS\",EDATUM[\"unknown\"],CS[Cartesian,2],"
565 : "AXIS[\"easting\",east,ORDER[1],LENGTHUNIT[\"unknown\",0]],"
566 : "AXIS[\"northing\",north,ORDER[2],LENGTHUNIT[\"unknown\",0]]]',"
567 : "'Custom undefined coordinate reference system')";
568 : /* clang-format on */
569 : }
570 : else
571 : {
572 : /* clang-format off */
573 472 : pszSQL =
574 : "INSERT INTO gpkg_spatial_ref_sys "
575 : "(srs_name,srs_id,organization,organization_coordsys_id,"
576 : "definition, description) VALUES "
577 : "('Undefined SRS'," XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ",'GDAL',"
578 : XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ","
579 : "'LOCAL_CS[\"Undefined SRS\",LOCAL_DATUM[\"unknown\",32767],"
580 : "UNIT[\"unknown\",0],AXIS[\"Easting\",EAST],"
581 : "AXIS[\"Northing\",NORTH]]',"
582 : "'Custom undefined coordinate reference system')";
583 : /* clang-format on */
584 : }
585 473 : if (SQLCommand(hDB, pszSQL) == OGRERR_NONE)
586 473 : return UNDEFINED_CRS_SRS_ID;
587 : #undef UNDEFINED_CRS_SRS_ID
588 : #undef XSTRINGIFY
589 : #undef STRINGIFY
590 0 : return -1;
591 : }
592 :
593 818 : std::unique_ptr<OGRSpatialReference> poSRS(poSRSIn->Clone());
594 :
595 409 : if (poSRS->IsGeographic() || poSRS->IsLocal())
596 : {
597 : // See corresponding tests in GDALGeoPackageDataset::GetSpatialRef
598 140 : if (pszName != nullptr && strlen(pszName) > 0)
599 : {
600 140 : if (EQUAL(pszName, "Undefined geographic SRS"))
601 2 : return 0;
602 :
603 138 : if (EQUAL(pszName, "Undefined Cartesian SRS"))
604 1 : return -1;
605 : }
606 : }
607 :
608 406 : const char *pszAuthorityName = poSRS->GetAuthorityName(nullptr);
609 :
610 406 : if (pszAuthorityName == nullptr || strlen(pszAuthorityName) == 0)
611 : {
612 : // Try to force identify an EPSG code.
613 26 : poSRS->AutoIdentifyEPSG();
614 :
615 26 : pszAuthorityName = poSRS->GetAuthorityName(nullptr);
616 26 : if (pszAuthorityName != nullptr && EQUAL(pszAuthorityName, "EPSG"))
617 : {
618 0 : const char *pszAuthorityCode = poSRS->GetAuthorityCode(nullptr);
619 0 : if (pszAuthorityCode != nullptr && strlen(pszAuthorityCode) > 0)
620 : {
621 : /* Import 'clean' SRS */
622 0 : poSRS->importFromEPSG(atoi(pszAuthorityCode));
623 :
624 0 : pszAuthorityName = poSRS->GetAuthorityName(nullptr);
625 : }
626 : }
627 :
628 26 : poSRS->SetCoordinateEpoch(poSRSIn->GetCoordinateEpoch());
629 : }
630 :
631 : // Check whether the EPSG authority code is already mapped to a
632 : // SRS ID.
633 406 : char *pszSQL = nullptr;
634 406 : int nSRSId = DEFAULT_SRID;
635 406 : int nAuthorityCode = 0;
636 406 : OGRErr err = OGRERR_NONE;
637 406 : bool bCanUseAuthorityCode = false;
638 406 : const char *const apszIsSameOptions[] = {
639 : "IGNORE_DATA_AXIS_TO_SRS_AXIS_MAPPING=YES",
640 : "IGNORE_COORDINATE_EPOCH=YES", nullptr};
641 406 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0)
642 : {
643 380 : const char *pszAuthorityCode = poSRS->GetAuthorityCode(nullptr);
644 380 : if (pszAuthorityCode)
645 : {
646 380 : if (CPLGetValueType(pszAuthorityCode) == CPL_VALUE_INTEGER)
647 : {
648 380 : nAuthorityCode = atoi(pszAuthorityCode);
649 : }
650 : else
651 : {
652 0 : CPLDebug("GPKG",
653 : "SRS has %s:%s identification, but the code not "
654 : "being an integer value cannot be stored as such "
655 : "in the database.",
656 : pszAuthorityName, pszAuthorityCode);
657 0 : pszAuthorityName = nullptr;
658 : }
659 : }
660 : }
661 :
662 786 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
663 380 : poSRSIn->GetCoordinateEpoch() == 0)
664 : {
665 : pszSQL =
666 375 : sqlite3_mprintf("SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
667 : "upper(organization) = upper('%q') AND "
668 : "organization_coordsys_id = %d",
669 : pszAuthorityName, nAuthorityCode);
670 :
671 375 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
672 375 : sqlite3_free(pszSQL);
673 :
674 : // Got a match? Return it!
675 375 : if (OGRERR_NONE == err)
676 : {
677 117 : auto poRefSRS = GetSpatialRef(nSRSId);
678 : bool bOK =
679 117 : (poRefSRS == nullptr ||
680 118 : poSRS->IsSame(poRefSRS.get(), apszIsSameOptions) ||
681 1 : !CPLTestBool(CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")));
682 117 : if (bOK)
683 : {
684 116 : return nSRSId;
685 : }
686 : else
687 : {
688 1 : CPLError(CE_Warning, CPLE_AppDefined,
689 : "Passed SRS uses %s:%d identification, but its "
690 : "definition is not compatible with the "
691 : "definition of that object already in the database. "
692 : "Registering it as a new entry into the database.",
693 : pszAuthorityName, nAuthorityCode);
694 1 : pszAuthorityName = nullptr;
695 1 : nAuthorityCode = 0;
696 : }
697 : }
698 : }
699 :
700 : // Translate SRS to WKT.
701 290 : CPLCharUniquePtr pszWKT1;
702 290 : CPLCharUniquePtr pszWKT2_2015;
703 290 : CPLCharUniquePtr pszWKT2_2019;
704 290 : const char *const apszOptionsWkt1[] = {"FORMAT=WKT1_GDAL", nullptr};
705 290 : const char *const apszOptionsWkt2_2015[] = {"FORMAT=WKT2_2015", nullptr};
706 290 : const char *const apszOptionsWkt2_2019[] = {"FORMAT=WKT2_2019", nullptr};
707 :
708 580 : std::string osEpochTest;
709 290 : if (poSRSIn->GetCoordinateEpoch() > 0 && m_bHasEpochColumn)
710 : {
711 : osEpochTest =
712 3 : CPLSPrintf(" AND epoch = %.17g", poSRSIn->GetCoordinateEpoch());
713 : }
714 :
715 571 : if (!(poSRS->IsGeographic() && poSRS->GetAxesCount() == 3) &&
716 281 : !poSRS->IsDerivedGeographic())
717 : {
718 562 : CPLErrorStateBackuper oBackuper(CPLQuietErrorHandler);
719 281 : char *pszTmp = nullptr;
720 281 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt1);
721 281 : pszWKT1.reset(pszTmp);
722 281 : if (pszWKT1 && pszWKT1.get()[0] == '\0')
723 : {
724 0 : pszWKT1.reset();
725 : }
726 : }
727 : {
728 580 : CPLErrorStateBackuper oBackuper(CPLQuietErrorHandler);
729 290 : char *pszTmp = nullptr;
730 290 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2015);
731 290 : pszWKT2_2015.reset(pszTmp);
732 290 : if (pszWKT2_2015 && pszWKT2_2015.get()[0] == '\0')
733 : {
734 0 : pszWKT2_2015.reset();
735 : }
736 : }
737 : {
738 290 : char *pszTmp = nullptr;
739 290 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2019);
740 290 : pszWKT2_2019.reset(pszTmp);
741 290 : if (pszWKT2_2019 && pszWKT2_2019.get()[0] == '\0')
742 : {
743 0 : pszWKT2_2019.reset();
744 : }
745 : }
746 :
747 290 : if (!pszWKT1 && !pszWKT2_2015 && !pszWKT2_2019)
748 : {
749 0 : return DEFAULT_SRID;
750 : }
751 :
752 290 : if (poSRSIn->GetCoordinateEpoch() == 0 || m_bHasEpochColumn)
753 : {
754 : // Search if there is already an existing entry with this WKT
755 287 : if (m_bHasDefinition12_063 && (pszWKT2_2015 || pszWKT2_2019))
756 : {
757 42 : if (pszWKT1)
758 : {
759 144 : pszSQL = sqlite3_mprintf(
760 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
761 : "(definition = '%q' OR definition_12_063 IN ('%q','%q'))%s",
762 : pszWKT1.get(),
763 72 : pszWKT2_2015 ? pszWKT2_2015.get() : "invalid",
764 72 : pszWKT2_2019 ? pszWKT2_2019.get() : "invalid",
765 : osEpochTest.c_str());
766 : }
767 : else
768 : {
769 24 : pszSQL = sqlite3_mprintf(
770 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
771 : "definition_12_063 IN ('%q', '%q')%s",
772 12 : pszWKT2_2015 ? pszWKT2_2015.get() : "invalid",
773 12 : pszWKT2_2019 ? pszWKT2_2019.get() : "invalid",
774 : osEpochTest.c_str());
775 : }
776 : }
777 245 : else if (pszWKT1)
778 : {
779 : pszSQL =
780 242 : sqlite3_mprintf("SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
781 : "definition = '%q'%s",
782 : pszWKT1.get(), osEpochTest.c_str());
783 : }
784 : else
785 : {
786 3 : pszSQL = nullptr;
787 : }
788 287 : if (pszSQL)
789 : {
790 284 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
791 284 : sqlite3_free(pszSQL);
792 284 : if (OGRERR_NONE == err)
793 : {
794 5 : return nSRSId;
795 : }
796 : }
797 : }
798 :
799 546 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
800 261 : poSRSIn->GetCoordinateEpoch() == 0)
801 : {
802 257 : bool bTryToReuseSRSId = true;
803 257 : if (EQUAL(pszAuthorityName, "EPSG"))
804 : {
805 512 : OGRSpatialReference oSRS_EPSG;
806 256 : if (GDALGPKGImportFromEPSG(&oSRS_EPSG, nAuthorityCode) ==
807 : OGRERR_NONE)
808 : {
809 257 : if (!poSRS->IsSame(&oSRS_EPSG, apszIsSameOptions) &&
810 1 : CPLTestBool(
811 : CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")))
812 : {
813 1 : bTryToReuseSRSId = false;
814 1 : CPLError(
815 : CE_Warning, CPLE_AppDefined,
816 : "Passed SRS uses %s:%d identification, but its "
817 : "definition is not compatible with the "
818 : "official definition of the object. "
819 : "Registering it as a non-%s entry into the database.",
820 : pszAuthorityName, nAuthorityCode, pszAuthorityName);
821 1 : pszAuthorityName = nullptr;
822 1 : nAuthorityCode = 0;
823 : }
824 : }
825 : }
826 257 : if (bTryToReuseSRSId)
827 : {
828 : // No match, but maybe we can use the nAuthorityCode as the nSRSId?
829 256 : pszSQL = sqlite3_mprintf(
830 : "SELECT Count(*) FROM gpkg_spatial_ref_sys WHERE "
831 : "srs_id = %d",
832 : nAuthorityCode);
833 :
834 : // Yep, we can!
835 256 : if (SQLGetInteger(hDB, pszSQL, nullptr) == 0)
836 255 : bCanUseAuthorityCode = true;
837 256 : sqlite3_free(pszSQL);
838 : }
839 : }
840 :
841 285 : bool bConvertGpkgSpatialRefSysToExtensionWkt2 = false;
842 285 : bool bForceEpoch = false;
843 288 : if (!m_bHasDefinition12_063 && pszWKT1 == nullptr &&
844 3 : (pszWKT2_2015 != nullptr || pszWKT2_2019 != nullptr))
845 : {
846 3 : bConvertGpkgSpatialRefSysToExtensionWkt2 = true;
847 : }
848 :
849 : // Add epoch column if needed
850 285 : if (poSRSIn->GetCoordinateEpoch() > 0 && !m_bHasEpochColumn)
851 : {
852 3 : if (m_bHasDefinition12_063)
853 : {
854 0 : if (SoftStartTransaction() != OGRERR_NONE)
855 0 : return DEFAULT_SRID;
856 0 : if (SQLCommand(hDB, "ALTER TABLE gpkg_spatial_ref_sys "
857 0 : "ADD COLUMN epoch DOUBLE") != OGRERR_NONE ||
858 0 : SQLCommand(hDB, "UPDATE gpkg_extensions SET extension_name = "
859 : "'gpkg_crs_wkt_1_1' "
860 : "WHERE extension_name = 'gpkg_crs_wkt'") !=
861 0 : OGRERR_NONE ||
862 0 : SQLCommand(
863 : hDB,
864 : "INSERT INTO gpkg_extensions "
865 : "(table_name, column_name, extension_name, definition, "
866 : "scope) "
867 : "VALUES "
868 : "('gpkg_spatial_ref_sys', 'epoch', 'gpkg_crs_wkt_1_1', "
869 : "'http://www.geopackage.org/spec/#extension_crs_wkt', "
870 : "'read-write')") != OGRERR_NONE)
871 : {
872 0 : SoftRollbackTransaction();
873 0 : return DEFAULT_SRID;
874 : }
875 :
876 0 : if (SoftCommitTransaction() != OGRERR_NONE)
877 0 : return DEFAULT_SRID;
878 :
879 0 : m_bHasEpochColumn = true;
880 : }
881 : else
882 : {
883 3 : bConvertGpkgSpatialRefSysToExtensionWkt2 = true;
884 3 : bForceEpoch = true;
885 : }
886 : }
887 :
888 291 : if (bConvertGpkgSpatialRefSysToExtensionWkt2 &&
889 6 : !ConvertGpkgSpatialRefSysToExtensionWkt2(bForceEpoch))
890 : {
891 0 : return DEFAULT_SRID;
892 : }
893 :
894 : // Reuse the authority code number as SRS_ID if we can
895 285 : if (bCanUseAuthorityCode)
896 : {
897 255 : nSRSId = nAuthorityCode;
898 : }
899 : // Otherwise, generate a new SRS_ID number (max + 1)
900 : else
901 : {
902 : // Get the current maximum srid in the srs table.
903 30 : const int nMaxSRSId = SQLGetInteger(
904 : hDB, "SELECT MAX(srs_id) FROM gpkg_spatial_ref_sys", nullptr);
905 30 : nSRSId = std::max(FIRST_CUSTOM_SRSID, nMaxSRSId + 1);
906 : }
907 :
908 570 : std::string osEpochColumn;
909 285 : std::string osEpochVal;
910 285 : if (poSRSIn->GetCoordinateEpoch() > 0)
911 : {
912 5 : osEpochColumn = ", epoch";
913 5 : osEpochVal = CPLSPrintf(", %.17g", poSRSIn->GetCoordinateEpoch());
914 : }
915 :
916 : // Add new SRS row to gpkg_spatial_ref_sys.
917 285 : if (m_bHasDefinition12_063)
918 : {
919 : // Force WKT2_2019 when we have a dynamic CRS and coordinate epoch
920 45 : const char *pszWKT2 = poSRSIn->IsDynamic() &&
921 10 : poSRSIn->GetCoordinateEpoch() > 0 &&
922 1 : pszWKT2_2019
923 1 : ? pszWKT2_2019.get()
924 44 : : pszWKT2_2015 ? pszWKT2_2015.get()
925 97 : : pszWKT2_2019.get();
926 :
927 45 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
928 : {
929 99 : pszSQL = sqlite3_mprintf(
930 : "INSERT INTO gpkg_spatial_ref_sys "
931 : "(srs_name,srs_id,organization,organization_coordsys_id,"
932 : "definition, definition_12_063%s) VALUES "
933 : "('%q', %d, upper('%q'), %d, '%q', '%q'%s)",
934 33 : osEpochColumn.c_str(), GetSrsName(*poSRS), nSRSId,
935 : pszAuthorityName, nAuthorityCode,
936 62 : pszWKT1 ? pszWKT1.get() : "undefined",
937 : pszWKT2 ? pszWKT2 : "undefined", osEpochVal.c_str());
938 : }
939 : else
940 : {
941 36 : pszSQL = sqlite3_mprintf(
942 : "INSERT INTO gpkg_spatial_ref_sys "
943 : "(srs_name,srs_id,organization,organization_coordsys_id,"
944 : "definition, definition_12_063%s) VALUES "
945 : "('%q', %d, upper('%q'), %d, '%q', '%q'%s)",
946 12 : osEpochColumn.c_str(), GetSrsName(*poSRS), nSRSId, "NONE",
947 21 : nSRSId, pszWKT1 ? pszWKT1.get() : "undefined",
948 : pszWKT2 ? pszWKT2 : "undefined", osEpochVal.c_str());
949 : }
950 : }
951 : else
952 : {
953 240 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
954 : {
955 454 : pszSQL = sqlite3_mprintf(
956 : "INSERT INTO gpkg_spatial_ref_sys "
957 : "(srs_name,srs_id,organization,organization_coordsys_id,"
958 : "definition) VALUES ('%q', %d, upper('%q'), %d, '%q')",
959 227 : GetSrsName(*poSRS), nSRSId, pszAuthorityName, nAuthorityCode,
960 454 : pszWKT1 ? pszWKT1.get() : "undefined");
961 : }
962 : else
963 : {
964 26 : pszSQL = sqlite3_mprintf(
965 : "INSERT INTO gpkg_spatial_ref_sys "
966 : "(srs_name,srs_id,organization,organization_coordsys_id,"
967 : "definition) VALUES ('%q', %d, upper('%q'), %d, '%q')",
968 13 : GetSrsName(*poSRS), nSRSId, "NONE", nSRSId,
969 26 : pszWKT1 ? pszWKT1.get() : "undefined");
970 : }
971 : }
972 :
973 : // Add new row to gpkg_spatial_ref_sys.
974 285 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
975 :
976 : // Free everything that was allocated.
977 285 : sqlite3_free(pszSQL);
978 :
979 285 : return nSRSId;
980 : }
981 :
982 : /************************************************************************/
983 : /* ~GDALGeoPackageDataset() */
984 : /************************************************************************/
985 :
986 5256 : GDALGeoPackageDataset::~GDALGeoPackageDataset()
987 : {
988 2628 : GDALGeoPackageDataset::Close();
989 5256 : }
990 :
991 : /************************************************************************/
992 : /* Close() */
993 : /************************************************************************/
994 :
995 4416 : CPLErr GDALGeoPackageDataset::Close(GDALProgressFunc, void *)
996 : {
997 4416 : CPLErr eErr = CE_None;
998 4416 : if (nOpenFlags != OPEN_FLAGS_CLOSED)
999 : {
1000 1545 : if (eAccess == GA_Update && m_poParentDS == nullptr &&
1001 4173 : !m_osRasterTable.empty() && !m_bGeoTransformValid)
1002 : {
1003 3 : CPLError(CE_Failure, CPLE_AppDefined,
1004 : "Raster table %s not correctly initialized due to missing "
1005 : "call to SetGeoTransform()",
1006 : m_osRasterTable.c_str());
1007 : }
1008 :
1009 5247 : if (!IsMarkedSuppressOnClose() &&
1010 2619 : GDALGeoPackageDataset::FlushCache(true) != CE_None)
1011 : {
1012 7 : eErr = CE_Failure;
1013 : }
1014 :
1015 : // Destroy bands now since we don't want
1016 : // GDALGPKGMBTilesLikeRasterBand::FlushCache() to run after dataset
1017 : // destruction
1018 4445 : for (int i = 0; i < nBands; i++)
1019 1817 : delete papoBands[i];
1020 2628 : nBands = 0;
1021 2628 : CPLFree(papoBands);
1022 2628 : papoBands = nullptr;
1023 :
1024 : // Destroy overviews before cleaning m_hTempDB as they could still
1025 : // need it
1026 2628 : m_apoOverviewDS.clear();
1027 :
1028 2628 : if (m_poParentDS)
1029 : {
1030 325 : hDB = nullptr;
1031 : }
1032 :
1033 2628 : m_apoLayers.clear();
1034 :
1035 : std::map<int, OGRSpatialReference *>::iterator oIter =
1036 2628 : m_oMapSrsIdToSrs.begin();
1037 3801 : for (; oIter != m_oMapSrsIdToSrs.end(); ++oIter)
1038 : {
1039 1173 : OGRSpatialReference *poSRS = oIter->second;
1040 1173 : if (poSRS)
1041 714 : poSRS->Release();
1042 : }
1043 :
1044 2628 : if (!CloseDB())
1045 0 : eErr = CE_Failure;
1046 :
1047 2628 : if (OGRSQLiteBaseDataSource::Close() != CE_None)
1048 0 : eErr = CE_Failure;
1049 : }
1050 4416 : return eErr;
1051 : }
1052 :
1053 : /************************************************************************/
1054 : /* ICanIWriteBlock() */
1055 : /************************************************************************/
1056 :
1057 5696 : bool GDALGeoPackageDataset::ICanIWriteBlock()
1058 : {
1059 5696 : if (!GetUpdate())
1060 : {
1061 0 : CPLError(
1062 : CE_Failure, CPLE_NotSupported,
1063 : "IWriteBlock() not supported on dataset opened in read-only mode");
1064 0 : return false;
1065 : }
1066 :
1067 5696 : if (m_pabyCachedTiles == nullptr)
1068 : {
1069 0 : return false;
1070 : }
1071 :
1072 5696 : if (!m_bGeoTransformValid || m_nSRID == UNKNOWN_SRID)
1073 : {
1074 0 : CPLError(CE_Failure, CPLE_NotSupported,
1075 : "IWriteBlock() not supported if georeferencing not set");
1076 0 : return false;
1077 : }
1078 5696 : return true;
1079 : }
1080 :
1081 : /************************************************************************/
1082 : /* IRasterIO() */
1083 : /************************************************************************/
1084 :
1085 132 : CPLErr GDALGeoPackageDataset::IRasterIO(
1086 : GDALRWFlag eRWFlag, int nXOff, int nYOff, int nXSize, int nYSize,
1087 : void *pData, int nBufXSize, int nBufYSize, GDALDataType eBufType,
1088 : int nBandCount, BANDMAP_TYPE panBandMap, GSpacing nPixelSpace,
1089 : GSpacing nLineSpace, GSpacing nBandSpace, GDALRasterIOExtraArg *psExtraArg)
1090 :
1091 : {
1092 132 : CPLErr eErr = OGRSQLiteBaseDataSource::IRasterIO(
1093 : eRWFlag, nXOff, nYOff, nXSize, nYSize, pData, nBufXSize, nBufYSize,
1094 : eBufType, nBandCount, panBandMap, nPixelSpace, nLineSpace, nBandSpace,
1095 : psExtraArg);
1096 :
1097 : // If writing all bands, in non-shifted mode, flush all entirely written
1098 : // tiles This can avoid "stressing" the block cache with too many dirty
1099 : // blocks. Note: this logic would be useless with a per-dataset block cache.
1100 132 : if (eErr == CE_None && eRWFlag == GF_Write && nXSize == nBufXSize &&
1101 123 : nYSize == nBufYSize && nBandCount == nBands &&
1102 120 : m_nShiftXPixelsMod == 0 && m_nShiftYPixelsMod == 0)
1103 : {
1104 : auto poBand =
1105 116 : cpl::down_cast<GDALGPKGMBTilesLikeRasterBand *>(GetRasterBand(1));
1106 : int nBlockXSize, nBlockYSize;
1107 116 : poBand->GetBlockSize(&nBlockXSize, &nBlockYSize);
1108 116 : const int nBlockXStart = DIV_ROUND_UP(nXOff, nBlockXSize);
1109 116 : const int nBlockYStart = DIV_ROUND_UP(nYOff, nBlockYSize);
1110 116 : const int nBlockXEnd = (nXOff + nXSize) / nBlockXSize;
1111 116 : const int nBlockYEnd = (nYOff + nYSize) / nBlockYSize;
1112 270 : for (int nBlockY = nBlockXStart; nBlockY < nBlockYEnd; nBlockY++)
1113 : {
1114 4371 : for (int nBlockX = nBlockYStart; nBlockX < nBlockXEnd; nBlockX++)
1115 : {
1116 : GDALRasterBlock *poBlock =
1117 4217 : poBand->AccessibleTryGetLockedBlockRef(nBlockX, nBlockY);
1118 4217 : if (poBlock)
1119 : {
1120 : // GetDirty() should be true in most situation (otherwise
1121 : // it means the block cache is under extreme pressure!)
1122 4215 : if (poBlock->GetDirty())
1123 : {
1124 : // IWriteBlock() on one band will check the dirty state
1125 : // of the corresponding blocks in other bands, to decide
1126 : // if it can call WriteTile(), so we have only to do
1127 : // that on one of the bands
1128 4215 : if (poBlock->Write() != CE_None)
1129 250 : eErr = CE_Failure;
1130 : }
1131 4215 : poBlock->DropLock();
1132 : }
1133 : }
1134 : }
1135 : }
1136 :
1137 132 : return eErr;
1138 : }
1139 :
1140 : /************************************************************************/
1141 : /* GetOGRTableLimit() */
1142 : /************************************************************************/
1143 :
1144 4261 : static int GetOGRTableLimit()
1145 : {
1146 4261 : return atoi(CPLGetConfigOption("OGR_TABLE_LIMIT", "10000"));
1147 : }
1148 :
1149 : /************************************************************************/
1150 : /* GetNameTypeMapFromSQliteMaster() */
1151 : /************************************************************************/
1152 :
1153 : const std::map<CPLString, CPLString> &
1154 1319 : GDALGeoPackageDataset::GetNameTypeMapFromSQliteMaster()
1155 : {
1156 1319 : if (!m_oMapNameToType.empty())
1157 348 : return m_oMapNameToType;
1158 :
1159 : CPLString osSQL(
1160 : "SELECT name, type FROM sqlite_master WHERE "
1161 : "type IN ('view', 'table') OR "
1162 1942 : "(name LIKE 'trigger_%_feature_count_%' AND type = 'trigger')");
1163 971 : const int nTableLimit = GetOGRTableLimit();
1164 971 : if (nTableLimit > 0)
1165 : {
1166 971 : osSQL += " LIMIT ";
1167 971 : osSQL += CPLSPrintf("%d", 1 + 3 * nTableLimit);
1168 : }
1169 :
1170 971 : auto oResult = SQLQuery(hDB, osSQL);
1171 971 : if (oResult)
1172 : {
1173 16112 : for (int i = 0; i < oResult->RowCount(); i++)
1174 : {
1175 15141 : const char *pszName = oResult->GetValue(0, i);
1176 15141 : const char *pszType = oResult->GetValue(1, i);
1177 15141 : m_oMapNameToType[CPLString(pszName).toupper()] = pszType;
1178 : }
1179 : }
1180 :
1181 971 : return m_oMapNameToType;
1182 : }
1183 :
1184 : /************************************************************************/
1185 : /* RemoveTableFromSQLiteMasterCache() */
1186 : /************************************************************************/
1187 :
1188 57 : void GDALGeoPackageDataset::RemoveTableFromSQLiteMasterCache(
1189 : const char *pszTableName)
1190 : {
1191 57 : m_oMapNameToType.erase(CPLString(pszTableName).toupper());
1192 57 : }
1193 :
1194 : /************************************************************************/
1195 : /* GetUnknownExtensionsTableSpecific() */
1196 : /************************************************************************/
1197 :
1198 : const std::map<CPLString, std::vector<GPKGExtensionDesc>> &
1199 923 : GDALGeoPackageDataset::GetUnknownExtensionsTableSpecific()
1200 : {
1201 923 : if (m_bMapTableToExtensionsBuilt)
1202 92 : return m_oMapTableToExtensions;
1203 831 : m_bMapTableToExtensionsBuilt = true;
1204 :
1205 831 : if (!HasExtensionsTable())
1206 52 : return m_oMapTableToExtensions;
1207 :
1208 : CPLString osSQL(
1209 : "SELECT table_name, extension_name, definition, scope "
1210 : "FROM gpkg_extensions WHERE "
1211 : "table_name IS NOT NULL "
1212 : "AND extension_name IS NOT NULL "
1213 : "AND definition IS NOT NULL "
1214 : "AND scope IS NOT NULL "
1215 : "AND extension_name NOT IN ('gpkg_geom_CIRCULARSTRING', "
1216 : "'gpkg_geom_COMPOUNDCURVE', 'gpkg_geom_CURVEPOLYGON', "
1217 : "'gpkg_geom_MULTICURVE', "
1218 : "'gpkg_geom_MULTISURFACE', 'gpkg_geom_CURVE', 'gpkg_geom_SURFACE', "
1219 : "'gpkg_geom_POLYHEDRALSURFACE', 'gpkg_geom_TIN', 'gpkg_geom_TRIANGLE', "
1220 : "'gpkg_rtree_index', 'gpkg_geometry_type_trigger', "
1221 : "'gpkg_srs_id_trigger', "
1222 : "'gpkg_crs_wkt', 'gpkg_crs_wkt_1_1', 'gpkg_schema', "
1223 : "'gpkg_related_tables', 'related_tables'"
1224 : #ifdef HAVE_SPATIALITE
1225 : ", 'gdal_spatialite_computed_geom_column'"
1226 : #endif
1227 1558 : ")");
1228 779 : const int nTableLimit = GetOGRTableLimit();
1229 779 : if (nTableLimit > 0)
1230 : {
1231 779 : osSQL += " LIMIT ";
1232 779 : osSQL += CPLSPrintf("%d", 1 + 10 * nTableLimit);
1233 : }
1234 :
1235 779 : auto oResult = SQLQuery(hDB, osSQL);
1236 779 : if (oResult)
1237 : {
1238 1444 : for (int i = 0; i < oResult->RowCount(); i++)
1239 : {
1240 665 : const char *pszTableName = oResult->GetValue(0, i);
1241 665 : const char *pszExtensionName = oResult->GetValue(1, i);
1242 665 : const char *pszDefinition = oResult->GetValue(2, i);
1243 665 : const char *pszScope = oResult->GetValue(3, i);
1244 665 : if (pszTableName && pszExtensionName && pszDefinition && pszScope)
1245 : {
1246 665 : GPKGExtensionDesc oDesc;
1247 665 : oDesc.osExtensionName = pszExtensionName;
1248 665 : oDesc.osDefinition = pszDefinition;
1249 665 : oDesc.osScope = pszScope;
1250 1330 : m_oMapTableToExtensions[CPLString(pszTableName).toupper()]
1251 665 : .push_back(std::move(oDesc));
1252 : }
1253 : }
1254 : }
1255 :
1256 779 : return m_oMapTableToExtensions;
1257 : }
1258 :
1259 : /************************************************************************/
1260 : /* GetContents() */
1261 : /************************************************************************/
1262 :
1263 : const std::map<CPLString, GPKGContentsDesc> &
1264 905 : GDALGeoPackageDataset::GetContents()
1265 : {
1266 905 : if (m_bMapTableToContentsBuilt)
1267 76 : return m_oMapTableToContents;
1268 829 : m_bMapTableToContentsBuilt = true;
1269 :
1270 : CPLString osSQL("SELECT table_name, data_type, identifier, "
1271 : "description, min_x, min_y, max_x, max_y "
1272 1658 : "FROM gpkg_contents");
1273 829 : const int nTableLimit = GetOGRTableLimit();
1274 829 : if (nTableLimit > 0)
1275 : {
1276 829 : osSQL += " LIMIT ";
1277 829 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1278 : }
1279 :
1280 829 : auto oResult = SQLQuery(hDB, osSQL);
1281 829 : if (oResult)
1282 : {
1283 1779 : for (int i = 0; i < oResult->RowCount(); i++)
1284 : {
1285 950 : const char *pszTableName = oResult->GetValue(0, i);
1286 950 : if (pszTableName == nullptr)
1287 0 : continue;
1288 950 : const char *pszDataType = oResult->GetValue(1, i);
1289 950 : const char *pszIdentifier = oResult->GetValue(2, i);
1290 950 : const char *pszDescription = oResult->GetValue(3, i);
1291 950 : const char *pszMinX = oResult->GetValue(4, i);
1292 950 : const char *pszMinY = oResult->GetValue(5, i);
1293 950 : const char *pszMaxX = oResult->GetValue(6, i);
1294 950 : const char *pszMaxY = oResult->GetValue(7, i);
1295 950 : GPKGContentsDesc oDesc;
1296 950 : if (pszDataType)
1297 950 : oDesc.osDataType = pszDataType;
1298 950 : if (pszIdentifier)
1299 950 : oDesc.osIdentifier = pszIdentifier;
1300 950 : if (pszDescription)
1301 949 : oDesc.osDescription = pszDescription;
1302 950 : if (pszMinX)
1303 637 : oDesc.osMinX = pszMinX;
1304 950 : if (pszMinY)
1305 637 : oDesc.osMinY = pszMinY;
1306 950 : if (pszMaxX)
1307 637 : oDesc.osMaxX = pszMaxX;
1308 950 : if (pszMaxY)
1309 637 : oDesc.osMaxY = pszMaxY;
1310 1900 : m_oMapTableToContents[CPLString(pszTableName).toupper()] =
1311 1900 : std::move(oDesc);
1312 : }
1313 : }
1314 :
1315 829 : return m_oMapTableToContents;
1316 : }
1317 :
1318 : /************************************************************************/
1319 : /* Open() */
1320 : /************************************************************************/
1321 :
1322 1300 : int GDALGeoPackageDataset::Open(GDALOpenInfo *poOpenInfo,
1323 : const std::string &osFilenameInZip)
1324 : {
1325 1300 : m_osFilenameInZip = osFilenameInZip;
1326 1300 : CPLAssert(m_apoLayers.empty());
1327 1300 : CPLAssert(hDB == nullptr);
1328 :
1329 1300 : SetDescription(poOpenInfo->pszFilename);
1330 2600 : CPLString osFilename(poOpenInfo->pszFilename);
1331 2600 : CPLString osSubdatasetTableName;
1332 : GByte abyHeaderLetMeHerePlease[100];
1333 1300 : const GByte *pabyHeader = poOpenInfo->pabyHeader;
1334 1300 : if (STARTS_WITH_CI(poOpenInfo->pszFilename, "GPKG:"))
1335 : {
1336 248 : char **papszTokens = CSLTokenizeString2(poOpenInfo->pszFilename, ":",
1337 : CSLT_HONOURSTRINGS);
1338 248 : int nCount = CSLCount(papszTokens);
1339 248 : if (nCount < 2)
1340 : {
1341 0 : CSLDestroy(papszTokens);
1342 0 : return FALSE;
1343 : }
1344 :
1345 248 : if (nCount <= 3)
1346 : {
1347 246 : osFilename = papszTokens[1];
1348 : }
1349 : /* GPKG:C:\BLA.GPKG:foo */
1350 2 : else if (nCount == 4 && strlen(papszTokens[1]) == 1 &&
1351 2 : (papszTokens[2][0] == '/' || papszTokens[2][0] == '\\'))
1352 : {
1353 2 : osFilename = CPLString(papszTokens[1]) + ":" + papszTokens[2];
1354 : }
1355 : // GPKG:/vsicurl/http[s]://[user:passwd@]example.com[:8080]/foo.gpkg:bar
1356 0 : else if (/*nCount >= 4 && */
1357 0 : (EQUAL(papszTokens[1], "/vsicurl/http") ||
1358 0 : EQUAL(papszTokens[1], "/vsicurl/https")))
1359 : {
1360 0 : osFilename = CPLString(papszTokens[1]);
1361 0 : for (int i = 2; i < nCount - 1; i++)
1362 : {
1363 0 : osFilename += ':';
1364 0 : osFilename += papszTokens[i];
1365 : }
1366 : }
1367 248 : if (nCount >= 3)
1368 14 : osSubdatasetTableName = papszTokens[nCount - 1];
1369 :
1370 248 : CSLDestroy(papszTokens);
1371 248 : VSILFILE *fp = VSIFOpenL(osFilename, "rb");
1372 248 : if (fp != nullptr)
1373 : {
1374 248 : VSIFReadL(abyHeaderLetMeHerePlease, 1, 100, fp);
1375 248 : VSIFCloseL(fp);
1376 : }
1377 248 : pabyHeader = abyHeaderLetMeHerePlease;
1378 : }
1379 1052 : else if (poOpenInfo->pabyHeader &&
1380 1052 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1381 : "SQLite format 3"))
1382 : {
1383 1045 : m_bCallUndeclareFileNotToOpen = true;
1384 1045 : GDALOpenInfoDeclareFileNotToOpen(osFilename, poOpenInfo->pabyHeader,
1385 : poOpenInfo->nHeaderBytes);
1386 : }
1387 :
1388 1300 : eAccess = poOpenInfo->eAccess;
1389 1300 : if (!m_osFilenameInZip.empty())
1390 : {
1391 2 : m_pszFilename = CPLStrdup(CPLSPrintf(
1392 : "/vsizip/{%s}/%s", osFilename.c_str(), m_osFilenameInZip.c_str()));
1393 : }
1394 : else
1395 : {
1396 1298 : m_pszFilename = CPLStrdup(osFilename);
1397 : }
1398 :
1399 1300 : if (poOpenInfo->papszOpenOptions)
1400 : {
1401 100 : CSLDestroy(papszOpenOptions);
1402 100 : papszOpenOptions = CSLDuplicate(poOpenInfo->papszOpenOptions);
1403 : }
1404 :
1405 : #ifdef ENABLE_SQL_GPKG_FORMAT
1406 1300 : if (poOpenInfo->pabyHeader &&
1407 1052 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1408 5 : "-- SQL GPKG") &&
1409 5 : poOpenInfo->fpL != nullptr)
1410 : {
1411 5 : if (sqlite3_open_v2(":memory:", &hDB, SQLITE_OPEN_READWRITE, nullptr) !=
1412 : SQLITE_OK)
1413 : {
1414 0 : return FALSE;
1415 : }
1416 :
1417 5 : InstallSQLFunctions();
1418 :
1419 : // Ingest the lines of the dump
1420 5 : VSIFSeekL(poOpenInfo->fpL, 0, SEEK_SET);
1421 : const char *pszLine;
1422 76 : while ((pszLine = CPLReadLineL(poOpenInfo->fpL)) != nullptr)
1423 : {
1424 71 : if (STARTS_WITH(pszLine, "--"))
1425 5 : continue;
1426 :
1427 66 : if (!SQLCheckLineIsSafe(pszLine))
1428 0 : return false;
1429 :
1430 66 : char *pszErrMsg = nullptr;
1431 66 : if (sqlite3_exec(hDB, pszLine, nullptr, nullptr, &pszErrMsg) !=
1432 : SQLITE_OK)
1433 : {
1434 0 : if (pszErrMsg)
1435 0 : CPLDebug("SQLITE", "Error %s", pszErrMsg);
1436 : }
1437 66 : sqlite3_free(pszErrMsg);
1438 5 : }
1439 : }
1440 :
1441 1295 : else if (pabyHeader != nullptr)
1442 : #endif
1443 : {
1444 1295 : if (poOpenInfo->fpL)
1445 : {
1446 : // See above comment about -wal locking for the importance of
1447 : // closing that file, prior to calling sqlite3_open()
1448 947 : VSIFCloseL(poOpenInfo->fpL);
1449 947 : poOpenInfo->fpL = nullptr;
1450 : }
1451 :
1452 : /* See if we can open the SQLite database */
1453 1295 : if (!OpenOrCreateDB(GetUpdate() ? SQLITE_OPEN_READWRITE
1454 : : SQLITE_OPEN_READONLY))
1455 2 : return FALSE;
1456 :
1457 1293 : memcpy(&m_nApplicationId, pabyHeader + knApplicationIdPos, 4);
1458 1293 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
1459 1293 : memcpy(&m_nUserVersion, pabyHeader + knUserVersionPos, 4);
1460 1293 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
1461 1293 : if (m_nApplicationId == GP10_APPLICATION_ID)
1462 : {
1463 7 : CPLDebug("GPKG", "GeoPackage v1.0");
1464 : }
1465 1286 : else if (m_nApplicationId == GP11_APPLICATION_ID)
1466 : {
1467 2 : CPLDebug("GPKG", "GeoPackage v1.1");
1468 : }
1469 1284 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
1470 1280 : m_nUserVersion >= GPKG_1_2_VERSION)
1471 : {
1472 1278 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
1473 1278 : (m_nUserVersion % 10000) / 100, m_nUserVersion % 100);
1474 : }
1475 : }
1476 :
1477 : /* Requirement 6: The SQLite PRAGMA integrity_check SQL command SHALL return
1478 : * “ok” */
1479 : /* http://opengis.github.io/geopackage/#_file_integrity */
1480 : /* Disable integrity check by default, since it is expensive on big files */
1481 1298 : if (CPLTestBool(CPLGetConfigOption("OGR_GPKG_INTEGRITY_CHECK", "NO")) &&
1482 0 : OGRERR_NONE != PragmaCheck("integrity_check", "ok", 1))
1483 : {
1484 0 : CPLError(CE_Failure, CPLE_AppDefined,
1485 : "pragma integrity_check on '%s' failed", m_pszFilename);
1486 0 : return FALSE;
1487 : }
1488 :
1489 : /* Requirement 7: The SQLite PRAGMA foreign_key_check() SQL with no */
1490 : /* parameter value SHALL return an empty result set */
1491 : /* http://opengis.github.io/geopackage/#_file_integrity */
1492 : /* Disable the check by default, since it is to corrupt databases, and */
1493 : /* that causes issues to downstream software that can't open them. */
1494 1298 : if (CPLTestBool(CPLGetConfigOption("OGR_GPKG_FOREIGN_KEY_CHECK", "NO")) &&
1495 0 : OGRERR_NONE != PragmaCheck("foreign_key_check", "", 0))
1496 : {
1497 0 : CPLError(CE_Failure, CPLE_AppDefined,
1498 : "pragma foreign_key_check on '%s' failed.", m_pszFilename);
1499 0 : return FALSE;
1500 : }
1501 :
1502 : /* Check for requirement metadata tables */
1503 : /* Requirement 10: gpkg_spatial_ref_sys must exist */
1504 : /* Requirement 13: gpkg_contents must exist */
1505 1298 : if (SQLGetInteger(hDB,
1506 : "SELECT COUNT(*) FROM sqlite_master WHERE "
1507 : "name IN ('gpkg_spatial_ref_sys', 'gpkg_contents') AND "
1508 : "type IN ('table', 'view')",
1509 1298 : nullptr) != 2)
1510 : {
1511 0 : CPLError(CE_Failure, CPLE_AppDefined,
1512 : "At least one of the required GeoPackage tables, "
1513 : "gpkg_spatial_ref_sys or gpkg_contents, is missing");
1514 0 : return FALSE;
1515 : }
1516 :
1517 1298 : DetectSpatialRefSysColumns();
1518 :
1519 : #ifdef ENABLE_GPKG_OGR_CONTENTS
1520 1298 : if (SQLGetInteger(hDB,
1521 : "SELECT 1 FROM sqlite_master WHERE "
1522 : "name = 'gpkg_ogr_contents' AND type = 'table'",
1523 1298 : nullptr) == 1)
1524 : {
1525 1290 : m_bHasGPKGOGRContents = true;
1526 : }
1527 : #endif
1528 :
1529 1298 : CheckUnknownExtensions();
1530 :
1531 1298 : int bRet = FALSE;
1532 1298 : bool bHasGPKGExtRelations = false;
1533 1298 : if (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR)
1534 : {
1535 1111 : m_bHasGPKGGeometryColumns =
1536 1111 : SQLGetInteger(hDB,
1537 : "SELECT 1 FROM sqlite_master WHERE "
1538 : "name = 'gpkg_geometry_columns' AND "
1539 : "type IN ('table', 'view')",
1540 1111 : nullptr) == 1;
1541 1111 : bHasGPKGExtRelations = HasGpkgextRelationsTable();
1542 : }
1543 1298 : if (m_bHasGPKGGeometryColumns)
1544 : {
1545 : /* Load layer definitions for all tables in gpkg_contents &
1546 : * gpkg_geometry_columns */
1547 : /* and non-spatial tables as well */
1548 : std::string osSQL =
1549 : "SELECT c.table_name, c.identifier, 1 as is_spatial, "
1550 : "g.column_name, g.geometry_type_name, g.z, g.m, c.min_x, c.min_y, "
1551 : "c.max_x, c.max_y, 1 AS is_in_gpkg_contents, "
1552 : "(SELECT type FROM sqlite_master WHERE lower(name) = "
1553 : "lower(c.table_name) AND type IN ('table', 'view')) AS object_type "
1554 : " FROM gpkg_geometry_columns g "
1555 : " JOIN gpkg_contents c ON (g.table_name = c.table_name)"
1556 : " WHERE "
1557 : " c.table_name <> 'ogr_empty_table' AND"
1558 : " c.data_type = 'features' "
1559 : // aspatial: Was the only method available in OGR 2.0 and 2.1
1560 : // attributes: GPKG 1.2 or later
1561 : "UNION ALL "
1562 : "SELECT table_name, identifier, 0 as is_spatial, NULL, NULL, 0, 0, "
1563 : "0 AS xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 1 AS "
1564 : "is_in_gpkg_contents, "
1565 : "(SELECT type FROM sqlite_master WHERE lower(name) = "
1566 : "lower(table_name) AND type IN ('table', 'view')) AS object_type "
1567 : " FROM gpkg_contents"
1568 1110 : " WHERE data_type IN ('aspatial', 'attributes') ";
1569 :
1570 2220 : const char *pszListAllTables = CSLFetchNameValueDef(
1571 1110 : poOpenInfo->papszOpenOptions, "LIST_ALL_TABLES", "AUTO");
1572 1110 : bool bHasASpatialOrAttributes = HasGDALAspatialExtension();
1573 1110 : if (!bHasASpatialOrAttributes)
1574 : {
1575 : auto oResultTable =
1576 : SQLQuery(hDB, "SELECT * FROM gpkg_contents WHERE "
1577 1109 : "data_type = 'attributes' LIMIT 1");
1578 1109 : bHasASpatialOrAttributes =
1579 1109 : (oResultTable && oResultTable->RowCount() == 1);
1580 : }
1581 1110 : if (bHasGPKGExtRelations)
1582 : {
1583 : osSQL += "UNION ALL "
1584 : "SELECT mapping_table_name, mapping_table_name, 0 as "
1585 : "is_spatial, NULL, NULL, 0, 0, 0 AS "
1586 : "xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 0 AS "
1587 : "is_in_gpkg_contents, 'table' AS object_type "
1588 : "FROM gpkgext_relations WHERE "
1589 : "lower(mapping_table_name) NOT IN (SELECT "
1590 : "lower(table_name) FROM gpkg_contents) AND "
1591 : "EXISTS (SELECT 1 FROM sqlite_master WHERE "
1592 : "type IN ('table', 'view') AND "
1593 18 : "lower(name) = lower(mapping_table_name))";
1594 : }
1595 1110 : if (EQUAL(pszListAllTables, "YES") ||
1596 1109 : (!bHasASpatialOrAttributes && EQUAL(pszListAllTables, "AUTO")))
1597 : {
1598 : // vgpkg_ is Spatialite virtual table
1599 : osSQL +=
1600 : "UNION ALL "
1601 : "SELECT name, name, 0 as is_spatial, NULL, NULL, 0, 0, 0 AS "
1602 : "xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 0 AS "
1603 : "is_in_gpkg_contents, type AS object_type "
1604 : "FROM sqlite_master WHERE type IN ('table', 'view') "
1605 : "AND name NOT LIKE 'gpkg_%' "
1606 : "AND name NOT LIKE 'vgpkg_%' "
1607 : "AND name NOT LIKE 'rtree_%' AND name NOT LIKE 'sqlite_%' "
1608 : // Avoid reading those views from simple_sewer_features.gpkg
1609 : "AND name NOT IN ('st_spatial_ref_sys', 'spatial_ref_sys', "
1610 : "'st_geometry_columns', 'geometry_columns') "
1611 : "AND lower(name) NOT IN (SELECT lower(table_name) FROM "
1612 1040 : "gpkg_contents)";
1613 1040 : if (bHasGPKGExtRelations)
1614 : {
1615 : osSQL += " AND lower(name) NOT IN (SELECT "
1616 : "lower(mapping_table_name) FROM "
1617 13 : "gpkgext_relations)";
1618 : }
1619 : }
1620 1110 : const int nTableLimit = GetOGRTableLimit();
1621 1110 : if (nTableLimit > 0)
1622 : {
1623 1110 : osSQL += " LIMIT ";
1624 1110 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1625 : }
1626 :
1627 1110 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1628 1110 : if (!oResult)
1629 : {
1630 0 : return FALSE;
1631 : }
1632 :
1633 1110 : if (nTableLimit > 0 && oResult->RowCount() > nTableLimit)
1634 : {
1635 1 : CPLError(CE_Warning, CPLE_AppDefined,
1636 : "File has more than %d vector tables. "
1637 : "Limiting to first %d (can be overridden with "
1638 : "OGR_TABLE_LIMIT config option)",
1639 : nTableLimit, nTableLimit);
1640 1 : oResult->LimitRowCount(nTableLimit);
1641 : }
1642 :
1643 1110 : if (oResult->RowCount() > 0)
1644 : {
1645 993 : bRet = TRUE;
1646 :
1647 993 : m_apoLayers.reserve(oResult->RowCount());
1648 :
1649 1986 : std::map<std::string, int> oMapTableRefCount;
1650 4185 : for (int i = 0; i < oResult->RowCount(); i++)
1651 : {
1652 3192 : const char *pszTableName = oResult->GetValue(0, i);
1653 3192 : if (pszTableName == nullptr)
1654 0 : continue;
1655 3192 : if (++oMapTableRefCount[pszTableName] == 2)
1656 : {
1657 : // This should normally not happen if all constraints are
1658 : // properly set
1659 2 : CPLError(CE_Warning, CPLE_AppDefined,
1660 : "Table %s appearing several times in "
1661 : "gpkg_contents and/or gpkg_geometry_columns",
1662 : pszTableName);
1663 : }
1664 : }
1665 :
1666 1986 : std::set<std::string> oExistingLayers;
1667 4185 : for (int i = 0; i < oResult->RowCount(); i++)
1668 : {
1669 3192 : const char *pszTableName = oResult->GetValue(0, i);
1670 3192 : if (pszTableName == nullptr)
1671 2 : continue;
1672 : const bool bTableHasSeveralGeomColumns =
1673 3192 : oMapTableRefCount[pszTableName] > 1;
1674 3192 : bool bIsSpatial = CPL_TO_BOOL(oResult->GetValueAsInteger(2, i));
1675 3192 : const char *pszGeomColName = oResult->GetValue(3, i);
1676 3192 : const char *pszGeomType = oResult->GetValue(4, i);
1677 3192 : const char *pszZ = oResult->GetValue(5, i);
1678 3192 : const char *pszM = oResult->GetValue(6, i);
1679 : bool bIsInGpkgContents =
1680 3192 : CPL_TO_BOOL(oResult->GetValueAsInteger(11, i));
1681 3192 : if (!bIsInGpkgContents)
1682 44 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound = true;
1683 3192 : const char *pszObjectType = oResult->GetValue(12, i);
1684 3192 : if (pszObjectType == nullptr ||
1685 3191 : !(EQUAL(pszObjectType, "table") ||
1686 21 : EQUAL(pszObjectType, "view")))
1687 : {
1688 1 : CPLError(CE_Warning, CPLE_AppDefined,
1689 : "Table/view %s is referenced in gpkg_contents, "
1690 : "but does not exist",
1691 : pszTableName);
1692 1 : continue;
1693 : }
1694 : // Non-standard and undocumented behavior:
1695 : // if the same table appears to have several geometry columns,
1696 : // handle it for now as multiple layers named
1697 : // "table_name (geom_col_name)"
1698 : // The way we handle that might change in the future (e.g
1699 : // could be a single layer with multiple geometry columns)
1700 : std::string osLayerNameWithGeomColName =
1701 6410 : pszGeomColName ? std::string(pszTableName) + " (" +
1702 : pszGeomColName + ')'
1703 6382 : : std::string(pszTableName);
1704 3191 : if (cpl::contains(oExistingLayers, osLayerNameWithGeomColName))
1705 1 : continue;
1706 3190 : oExistingLayers.insert(osLayerNameWithGeomColName);
1707 : const std::string osLayerName =
1708 : bTableHasSeveralGeomColumns
1709 3 : ? std::move(osLayerNameWithGeomColName)
1710 6383 : : std::string(pszTableName);
1711 : auto poLayer = std::make_unique<OGRGeoPackageTableLayer>(
1712 6380 : this, osLayerName.c_str());
1713 3190 : bool bHasZ = pszZ && atoi(pszZ) > 0;
1714 3190 : bool bHasM = pszM && atoi(pszM) > 0;
1715 3190 : if (pszGeomType && EQUAL(pszGeomType, "GEOMETRY"))
1716 : {
1717 644 : if (pszZ && atoi(pszZ) == 2)
1718 14 : bHasZ = false;
1719 644 : if (pszM && atoi(pszM) == 2)
1720 6 : bHasM = false;
1721 : }
1722 3190 : poLayer->SetOpeningParameters(
1723 : pszTableName, pszObjectType, bIsInGpkgContents, bIsSpatial,
1724 : pszGeomColName, pszGeomType, bHasZ, bHasM);
1725 3190 : m_apoLayers.push_back(std::move(poLayer));
1726 : }
1727 : }
1728 : }
1729 :
1730 1298 : bool bHasTileMatrixSet = false;
1731 1298 : if (poOpenInfo->nOpenFlags & GDAL_OF_RASTER)
1732 : {
1733 574 : bHasTileMatrixSet = SQLGetInteger(hDB,
1734 : "SELECT 1 FROM sqlite_master WHERE "
1735 : "name = 'gpkg_tile_matrix_set' AND "
1736 : "type IN ('table', 'view')",
1737 : nullptr) == 1;
1738 : }
1739 1298 : if (bHasTileMatrixSet)
1740 : {
1741 : std::string osSQL =
1742 : "SELECT c.table_name, c.identifier, c.description, c.srs_id, "
1743 : "c.min_x, c.min_y, c.max_x, c.max_y, "
1744 : "tms.min_x, tms.min_y, tms.max_x, tms.max_y, c.data_type "
1745 : "FROM gpkg_contents c JOIN gpkg_tile_matrix_set tms ON "
1746 : "c.table_name = tms.table_name WHERE "
1747 572 : "data_type IN ('tiles', '2d-gridded-coverage')";
1748 572 : if (CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE"))
1749 : osSubdatasetTableName =
1750 2 : CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE");
1751 572 : if (!osSubdatasetTableName.empty())
1752 : {
1753 16 : char *pszTmp = sqlite3_mprintf(" AND c.table_name='%q'",
1754 : osSubdatasetTableName.c_str());
1755 16 : osSQL += pszTmp;
1756 16 : sqlite3_free(pszTmp);
1757 16 : SetPhysicalFilename(osFilename.c_str());
1758 : }
1759 572 : const int nTableLimit = GetOGRTableLimit();
1760 572 : if (nTableLimit > 0)
1761 : {
1762 572 : osSQL += " LIMIT ";
1763 572 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1764 : }
1765 :
1766 572 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1767 572 : if (!oResult)
1768 : {
1769 0 : return FALSE;
1770 : }
1771 :
1772 572 : if (oResult->RowCount() == 0 && !osSubdatasetTableName.empty())
1773 : {
1774 1 : CPLError(CE_Failure, CPLE_AppDefined,
1775 : "Cannot find table '%s' in GeoPackage dataset",
1776 : osSubdatasetTableName.c_str());
1777 : }
1778 571 : else if (oResult->RowCount() == 1)
1779 : {
1780 274 : const char *pszTableName = oResult->GetValue(0, 0);
1781 274 : const char *pszIdentifier = oResult->GetValue(1, 0);
1782 274 : const char *pszDescription = oResult->GetValue(2, 0);
1783 274 : const char *pszSRSId = oResult->GetValue(3, 0);
1784 274 : const char *pszMinX = oResult->GetValue(4, 0);
1785 274 : const char *pszMinY = oResult->GetValue(5, 0);
1786 274 : const char *pszMaxX = oResult->GetValue(6, 0);
1787 274 : const char *pszMaxY = oResult->GetValue(7, 0);
1788 274 : const char *pszTMSMinX = oResult->GetValue(8, 0);
1789 274 : const char *pszTMSMinY = oResult->GetValue(9, 0);
1790 274 : const char *pszTMSMaxX = oResult->GetValue(10, 0);
1791 274 : const char *pszTMSMaxY = oResult->GetValue(11, 0);
1792 274 : const char *pszDataType = oResult->GetValue(12, 0);
1793 274 : if (pszTableName && pszTMSMinX && pszTMSMinY && pszTMSMaxX &&
1794 : pszTMSMaxY)
1795 : {
1796 548 : bRet = OpenRaster(
1797 : pszTableName, pszIdentifier, pszDescription,
1798 274 : pszSRSId ? atoi(pszSRSId) : 0, CPLAtof(pszTMSMinX),
1799 : CPLAtof(pszTMSMinY), CPLAtof(pszTMSMaxX),
1800 : CPLAtof(pszTMSMaxY), pszMinX, pszMinY, pszMaxX, pszMaxY,
1801 274 : EQUAL(pszDataType, "tiles"), poOpenInfo->papszOpenOptions);
1802 : }
1803 : }
1804 297 : else if (oResult->RowCount() >= 1)
1805 : {
1806 5 : bRet = TRUE;
1807 :
1808 5 : if (nTableLimit > 0 && oResult->RowCount() > nTableLimit)
1809 : {
1810 1 : CPLError(CE_Warning, CPLE_AppDefined,
1811 : "File has more than %d raster tables. "
1812 : "Limiting to first %d (can be overridden with "
1813 : "OGR_TABLE_LIMIT config option)",
1814 : nTableLimit, nTableLimit);
1815 1 : oResult->LimitRowCount(nTableLimit);
1816 : }
1817 :
1818 5 : int nSDSCount = 0;
1819 2013 : for (int i = 0; i < oResult->RowCount(); i++)
1820 : {
1821 2008 : const char *pszTableName = oResult->GetValue(0, i);
1822 2008 : const char *pszIdentifier = oResult->GetValue(1, i);
1823 2008 : if (pszTableName == nullptr)
1824 0 : continue;
1825 : m_aosSubDatasets.AddNameValue(
1826 : CPLSPrintf("SUBDATASET_%d_NAME", nSDSCount + 1),
1827 2008 : CPLSPrintf("GPKG:%s:%s", m_pszFilename, pszTableName));
1828 : m_aosSubDatasets.AddNameValue(
1829 : CPLSPrintf("SUBDATASET_%d_DESC", nSDSCount + 1),
1830 : pszIdentifier
1831 2008 : ? CPLSPrintf("%s - %s", pszTableName, pszIdentifier)
1832 4016 : : pszTableName);
1833 2008 : nSDSCount++;
1834 : }
1835 : }
1836 : }
1837 :
1838 1298 : if (!bRet && (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR))
1839 : {
1840 33 : if ((poOpenInfo->nOpenFlags & GDAL_OF_UPDATE))
1841 : {
1842 22 : bRet = TRUE;
1843 : }
1844 : else
1845 : {
1846 11 : CPLDebug("GPKG",
1847 : "This GeoPackage has no vector content and is opened "
1848 : "in read-only mode. If you open it in update mode, "
1849 : "opening will be successful.");
1850 : }
1851 : }
1852 :
1853 1298 : if (eAccess == GA_Update)
1854 : {
1855 259 : FixupWrongRTreeTrigger();
1856 259 : FixupWrongMedataReferenceColumnNameUpdate();
1857 : }
1858 :
1859 1298 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
1860 :
1861 1298 : return bRet;
1862 : }
1863 :
1864 : /************************************************************************/
1865 : /* DetectSpatialRefSysColumns() */
1866 : /************************************************************************/
1867 :
1868 1308 : void GDALGeoPackageDataset::DetectSpatialRefSysColumns()
1869 : {
1870 : // Detect definition_12_063 column
1871 : {
1872 1308 : sqlite3_stmt *hSQLStmt = nullptr;
1873 1308 : int rc = sqlite3_prepare_v2(
1874 : hDB, "SELECT definition_12_063 FROM gpkg_spatial_ref_sys ", -1,
1875 : &hSQLStmt, nullptr);
1876 1308 : if (rc == SQLITE_OK)
1877 : {
1878 85 : m_bHasDefinition12_063 = true;
1879 85 : sqlite3_finalize(hSQLStmt);
1880 : }
1881 : }
1882 :
1883 : // Detect epoch column
1884 1308 : if (m_bHasDefinition12_063)
1885 : {
1886 85 : sqlite3_stmt *hSQLStmt = nullptr;
1887 : int rc =
1888 85 : sqlite3_prepare_v2(hDB, "SELECT epoch FROM gpkg_spatial_ref_sys ",
1889 : -1, &hSQLStmt, nullptr);
1890 85 : if (rc == SQLITE_OK)
1891 : {
1892 76 : m_bHasEpochColumn = true;
1893 76 : sqlite3_finalize(hSQLStmt);
1894 : }
1895 : }
1896 1308 : }
1897 :
1898 : /************************************************************************/
1899 : /* FixupWrongRTreeTrigger() */
1900 : /************************************************************************/
1901 :
1902 259 : void GDALGeoPackageDataset::FixupWrongRTreeTrigger()
1903 : {
1904 : auto oResult = SQLQuery(
1905 : hDB,
1906 : "SELECT name, sql FROM sqlite_master WHERE type = 'trigger' AND "
1907 259 : "NAME LIKE 'rtree_%_update3' AND sql LIKE '% AFTER UPDATE OF % ON %'");
1908 259 : if (oResult == nullptr)
1909 0 : return;
1910 259 : if (oResult->RowCount() > 0)
1911 : {
1912 1 : CPLDebug("GPKG", "Fixing incorrect trigger(s) related to RTree");
1913 : }
1914 261 : for (int i = 0; i < oResult->RowCount(); i++)
1915 : {
1916 2 : const char *pszName = oResult->GetValue(0, i);
1917 2 : const char *pszSQL = oResult->GetValue(1, i);
1918 2 : const char *pszPtr1 = strstr(pszSQL, " AFTER UPDATE OF ");
1919 2 : if (pszPtr1)
1920 : {
1921 2 : const char *pszPtr = pszPtr1 + strlen(" AFTER UPDATE OF ");
1922 : // Skipping over geometry column name
1923 4 : while (*pszPtr == ' ')
1924 2 : pszPtr++;
1925 2 : if (pszPtr[0] == '"' || pszPtr[0] == '\'')
1926 : {
1927 1 : char chStringDelim = pszPtr[0];
1928 1 : pszPtr++;
1929 9 : while (*pszPtr != '\0' && *pszPtr != chStringDelim)
1930 : {
1931 8 : if (*pszPtr == '\\' && pszPtr[1] == chStringDelim)
1932 0 : pszPtr += 2;
1933 : else
1934 8 : pszPtr += 1;
1935 : }
1936 1 : if (*pszPtr == chStringDelim)
1937 1 : pszPtr++;
1938 : }
1939 : else
1940 : {
1941 1 : pszPtr++;
1942 8 : while (*pszPtr != ' ')
1943 7 : pszPtr++;
1944 : }
1945 2 : if (*pszPtr == ' ')
1946 : {
1947 2 : SQLCommand(hDB,
1948 4 : ("DROP TRIGGER \"" + SQLEscapeName(pszName) + "\"")
1949 : .c_str());
1950 4 : CPLString newSQL;
1951 2 : newSQL.assign(pszSQL, pszPtr1 - pszSQL);
1952 2 : newSQL += " AFTER UPDATE";
1953 2 : newSQL += pszPtr;
1954 2 : SQLCommand(hDB, newSQL);
1955 : }
1956 : }
1957 : }
1958 : }
1959 :
1960 : /************************************************************************/
1961 : /* FixupWrongMedataReferenceColumnNameUpdate() */
1962 : /************************************************************************/
1963 :
1964 259 : void GDALGeoPackageDataset::FixupWrongMedataReferenceColumnNameUpdate()
1965 : {
1966 : // Fix wrong trigger that was generated by GDAL < 2.4.0
1967 : // See https://github.com/qgis/QGIS/issues/42768
1968 : auto oResult = SQLQuery(
1969 : hDB, "SELECT sql FROM sqlite_master WHERE type = 'trigger' AND "
1970 : "NAME ='gpkg_metadata_reference_column_name_update' AND "
1971 259 : "sql LIKE '%column_nameIS%'");
1972 259 : if (oResult == nullptr)
1973 0 : return;
1974 259 : if (oResult->RowCount() == 1)
1975 : {
1976 1 : CPLDebug("GPKG", "Fixing incorrect trigger "
1977 : "gpkg_metadata_reference_column_name_update");
1978 1 : const char *pszSQL = oResult->GetValue(0, 0);
1979 : std::string osNewSQL(
1980 3 : CPLString(pszSQL).replaceAll("column_nameIS", "column_name IS"));
1981 :
1982 1 : SQLCommand(hDB,
1983 : "DROP TRIGGER gpkg_metadata_reference_column_name_update");
1984 1 : SQLCommand(hDB, osNewSQL.c_str());
1985 : }
1986 : }
1987 :
1988 : /************************************************************************/
1989 : /* ClearCachedRelationships() */
1990 : /************************************************************************/
1991 :
1992 36 : void GDALGeoPackageDataset::ClearCachedRelationships()
1993 : {
1994 36 : m_bHasPopulatedRelationships = false;
1995 36 : m_osMapRelationships.clear();
1996 36 : }
1997 :
1998 : /************************************************************************/
1999 : /* LoadRelationships() */
2000 : /************************************************************************/
2001 :
2002 85 : void GDALGeoPackageDataset::LoadRelationships() const
2003 : {
2004 85 : m_osMapRelationships.clear();
2005 :
2006 85 : std::vector<std::string> oExcludedTables;
2007 85 : if (HasGpkgextRelationsTable())
2008 : {
2009 37 : LoadRelationshipsUsingRelatedTablesExtension();
2010 :
2011 89 : for (const auto &oRelationship : m_osMapRelationships)
2012 : {
2013 : oExcludedTables.emplace_back(
2014 52 : oRelationship.second->GetMappingTableName());
2015 : }
2016 : }
2017 :
2018 : // Also load relationships defined using foreign keys (i.e. one-to-many
2019 : // relationships). Here we must exclude any relationships defined from the
2020 : // related tables extension, we don't want them included twice.
2021 85 : LoadRelationshipsFromForeignKeys(oExcludedTables);
2022 85 : m_bHasPopulatedRelationships = true;
2023 85 : }
2024 :
2025 : /************************************************************************/
2026 : /* LoadRelationshipsUsingRelatedTablesExtension() */
2027 : /************************************************************************/
2028 :
2029 37 : void GDALGeoPackageDataset::LoadRelationshipsUsingRelatedTablesExtension() const
2030 : {
2031 37 : m_osMapRelationships.clear();
2032 :
2033 : auto oResultTable = SQLQuery(
2034 37 : hDB, "SELECT base_table_name, base_primary_column, "
2035 : "related_table_name, related_primary_column, relation_name, "
2036 74 : "mapping_table_name FROM gpkgext_relations");
2037 37 : if (oResultTable && oResultTable->RowCount() > 0)
2038 : {
2039 86 : for (int i = 0; i < oResultTable->RowCount(); i++)
2040 : {
2041 53 : const char *pszBaseTableName = oResultTable->GetValue(0, i);
2042 53 : if (!pszBaseTableName)
2043 : {
2044 0 : CPLError(CE_Warning, CPLE_AppDefined,
2045 : "Could not retrieve base_table_name from "
2046 : "gpkgext_relations");
2047 1 : continue;
2048 : }
2049 53 : const char *pszBasePrimaryColumn = oResultTable->GetValue(1, i);
2050 53 : if (!pszBasePrimaryColumn)
2051 : {
2052 0 : CPLError(CE_Warning, CPLE_AppDefined,
2053 : "Could not retrieve base_primary_column from "
2054 : "gpkgext_relations");
2055 0 : continue;
2056 : }
2057 53 : const char *pszRelatedTableName = oResultTable->GetValue(2, i);
2058 53 : if (!pszRelatedTableName)
2059 : {
2060 0 : CPLError(CE_Warning, CPLE_AppDefined,
2061 : "Could not retrieve related_table_name from "
2062 : "gpkgext_relations");
2063 0 : continue;
2064 : }
2065 53 : const char *pszRelatedPrimaryColumn = oResultTable->GetValue(3, i);
2066 53 : if (!pszRelatedPrimaryColumn)
2067 : {
2068 0 : CPLError(CE_Warning, CPLE_AppDefined,
2069 : "Could not retrieve related_primary_column from "
2070 : "gpkgext_relations");
2071 0 : continue;
2072 : }
2073 53 : const char *pszRelationName = oResultTable->GetValue(4, i);
2074 53 : if (!pszRelationName)
2075 : {
2076 0 : CPLError(
2077 : CE_Warning, CPLE_AppDefined,
2078 : "Could not retrieve relation_name from gpkgext_relations");
2079 0 : continue;
2080 : }
2081 53 : const char *pszMappingTableName = oResultTable->GetValue(5, i);
2082 53 : if (!pszMappingTableName)
2083 : {
2084 0 : CPLError(CE_Warning, CPLE_AppDefined,
2085 : "Could not retrieve mapping_table_name from "
2086 : "gpkgext_relations");
2087 0 : continue;
2088 : }
2089 :
2090 : // confirm that mapping table exists
2091 : char *pszSQL =
2092 53 : sqlite3_mprintf("SELECT 1 FROM sqlite_master WHERE "
2093 : "name='%q' AND type IN ('table', 'view')",
2094 : pszMappingTableName);
2095 53 : const int nMappingTableCount = SQLGetInteger(hDB, pszSQL, nullptr);
2096 53 : sqlite3_free(pszSQL);
2097 :
2098 55 : if (nMappingTableCount < 1 &&
2099 2 : !const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
2100 2 : pszMappingTableName))
2101 : {
2102 1 : CPLError(CE_Warning, CPLE_AppDefined,
2103 : "Relationship mapping table %s does not exist",
2104 : pszMappingTableName);
2105 1 : continue;
2106 : }
2107 :
2108 : const std::string osRelationName = GenerateNameForRelationship(
2109 104 : pszBaseTableName, pszRelatedTableName, pszRelationName);
2110 :
2111 104 : std::string osType{};
2112 : // defined requirement classes -- for these types the relation name
2113 : // will be specific string value from the related tables extension.
2114 : // In this case we need to construct a unique relationship name
2115 : // based on the related tables
2116 52 : if (EQUAL(pszRelationName, "media") ||
2117 40 : EQUAL(pszRelationName, "simple_attributes") ||
2118 40 : EQUAL(pszRelationName, "features") ||
2119 18 : EQUAL(pszRelationName, "attributes") ||
2120 2 : EQUAL(pszRelationName, "tiles"))
2121 : {
2122 50 : osType = pszRelationName;
2123 : }
2124 : else
2125 : {
2126 : // user defined types default to features
2127 2 : osType = "features";
2128 : }
2129 :
2130 : auto poRelationship = std::make_unique<GDALRelationship>(
2131 : osRelationName, pszBaseTableName, pszRelatedTableName,
2132 104 : GRC_MANY_TO_MANY);
2133 :
2134 104 : poRelationship->SetLeftTableFields({pszBasePrimaryColumn});
2135 104 : poRelationship->SetRightTableFields({pszRelatedPrimaryColumn});
2136 104 : poRelationship->SetLeftMappingTableFields({"base_id"});
2137 104 : poRelationship->SetRightMappingTableFields({"related_id"});
2138 52 : poRelationship->SetMappingTableName(pszMappingTableName);
2139 52 : poRelationship->SetRelatedTableType(osType);
2140 :
2141 52 : m_osMapRelationships[osRelationName] = std::move(poRelationship);
2142 : }
2143 : }
2144 37 : }
2145 :
2146 : /************************************************************************/
2147 : /* GenerateNameForRelationship() */
2148 : /************************************************************************/
2149 :
2150 76 : std::string GDALGeoPackageDataset::GenerateNameForRelationship(
2151 : const char *pszBaseTableName, const char *pszRelatedTableName,
2152 : const char *pszType)
2153 : {
2154 : // defined requirement classes -- for these types the relation name will be
2155 : // specific string value from the related tables extension. In this case we
2156 : // need to construct a unique relationship name based on the related tables
2157 76 : if (EQUAL(pszType, "media") || EQUAL(pszType, "simple_attributes") ||
2158 53 : EQUAL(pszType, "features") || EQUAL(pszType, "attributes") ||
2159 8 : EQUAL(pszType, "tiles"))
2160 : {
2161 136 : std::ostringstream stream;
2162 : stream << pszBaseTableName << '_' << pszRelatedTableName << '_'
2163 68 : << pszType;
2164 68 : return stream.str();
2165 : }
2166 : else
2167 : {
2168 : // user defined types default to features
2169 8 : return pszType;
2170 : }
2171 : }
2172 :
2173 : /************************************************************************/
2174 : /* ValidateRelationship() */
2175 : /************************************************************************/
2176 :
2177 28 : bool GDALGeoPackageDataset::ValidateRelationship(
2178 : const GDALRelationship *poRelationship, std::string &failureReason)
2179 : {
2180 :
2181 28 : if (poRelationship->GetCardinality() !=
2182 : GDALRelationshipCardinality::GRC_MANY_TO_MANY)
2183 : {
2184 3 : failureReason = "Only many to many relationships are supported";
2185 3 : return false;
2186 : }
2187 :
2188 50 : std::string osRelatedTableType = poRelationship->GetRelatedTableType();
2189 65 : if (!osRelatedTableType.empty() && osRelatedTableType != "features" &&
2190 30 : osRelatedTableType != "media" &&
2191 20 : osRelatedTableType != "simple_attributes" &&
2192 55 : osRelatedTableType != "attributes" && osRelatedTableType != "tiles")
2193 : {
2194 : failureReason =
2195 4 : ("Related table type " + osRelatedTableType +
2196 : " is not a valid value for the GeoPackage specification. "
2197 : "Valid values are: features, media, simple_attributes, "
2198 : "attributes, tiles.")
2199 2 : .c_str();
2200 2 : return false;
2201 : }
2202 :
2203 23 : const std::string &osLeftTableName = poRelationship->GetLeftTableName();
2204 23 : OGRGeoPackageLayer *poLeftTable = cpl::down_cast<OGRGeoPackageLayer *>(
2205 23 : GetLayerByName(osLeftTableName.c_str()));
2206 23 : if (!poLeftTable)
2207 : {
2208 4 : failureReason = ("Left table " + osLeftTableName +
2209 : " is not an existing layer in the dataset")
2210 2 : .c_str();
2211 2 : return false;
2212 : }
2213 21 : const std::string &osRightTableName = poRelationship->GetRightTableName();
2214 21 : OGRGeoPackageLayer *poRightTable = cpl::down_cast<OGRGeoPackageLayer *>(
2215 21 : GetLayerByName(osRightTableName.c_str()));
2216 21 : if (!poRightTable)
2217 : {
2218 4 : failureReason = ("Right table " + osRightTableName +
2219 : " is not an existing layer in the dataset")
2220 2 : .c_str();
2221 2 : return false;
2222 : }
2223 :
2224 19 : const auto &aosLeftTableFields = poRelationship->GetLeftTableFields();
2225 19 : if (aosLeftTableFields.empty())
2226 : {
2227 1 : failureReason = "No left table fields were specified";
2228 1 : return false;
2229 : }
2230 18 : else if (aosLeftTableFields.size() > 1)
2231 : {
2232 : failureReason = "Only a single left table field is permitted for the "
2233 1 : "GeoPackage specification";
2234 1 : return false;
2235 : }
2236 : else
2237 : {
2238 : // validate left field exists
2239 34 : if (poLeftTable->GetLayerDefn()->GetFieldIndex(
2240 37 : aosLeftTableFields[0].c_str()) < 0 &&
2241 3 : !EQUAL(poLeftTable->GetFIDColumn(), aosLeftTableFields[0].c_str()))
2242 : {
2243 2 : failureReason = ("Left table field " + aosLeftTableFields[0] +
2244 2 : " does not exist in " + osLeftTableName)
2245 1 : .c_str();
2246 1 : return false;
2247 : }
2248 : }
2249 :
2250 16 : const auto &aosRightTableFields = poRelationship->GetRightTableFields();
2251 16 : if (aosRightTableFields.empty())
2252 : {
2253 1 : failureReason = "No right table fields were specified";
2254 1 : return false;
2255 : }
2256 15 : else if (aosRightTableFields.size() > 1)
2257 : {
2258 : failureReason = "Only a single right table field is permitted for the "
2259 1 : "GeoPackage specification";
2260 1 : return false;
2261 : }
2262 : else
2263 : {
2264 : // validate right field exists
2265 28 : if (poRightTable->GetLayerDefn()->GetFieldIndex(
2266 32 : aosRightTableFields[0].c_str()) < 0 &&
2267 4 : !EQUAL(poRightTable->GetFIDColumn(),
2268 : aosRightTableFields[0].c_str()))
2269 : {
2270 4 : failureReason = ("Right table field " + aosRightTableFields[0] +
2271 4 : " does not exist in " + osRightTableName)
2272 2 : .c_str();
2273 2 : return false;
2274 : }
2275 : }
2276 :
2277 12 : return true;
2278 : }
2279 :
2280 : /************************************************************************/
2281 : /* InitRaster() */
2282 : /************************************************************************/
2283 :
2284 358 : bool GDALGeoPackageDataset::InitRaster(
2285 : GDALGeoPackageDataset *poParentDS, const char *pszTableName, double dfMinX,
2286 : double dfMinY, double dfMaxX, double dfMaxY, const char *pszContentsMinX,
2287 : const char *pszContentsMinY, const char *pszContentsMaxX,
2288 : const char *pszContentsMaxY, char **papszOpenOptionsIn,
2289 : const SQLResult &oResult, int nIdxInResult)
2290 : {
2291 358 : m_osRasterTable = pszTableName;
2292 358 : m_dfTMSMinX = dfMinX;
2293 358 : m_dfTMSMaxY = dfMaxY;
2294 :
2295 : // Despite prior checking, the type might be Binary and
2296 : // SQLResultGetValue() not working properly on it
2297 358 : int nZoomLevel = atoi(oResult.GetValue(0, nIdxInResult));
2298 358 : if (nZoomLevel < 0 || nZoomLevel > 65536)
2299 : {
2300 0 : return false;
2301 : }
2302 358 : double dfPixelXSize = CPLAtof(oResult.GetValue(1, nIdxInResult));
2303 358 : double dfPixelYSize = CPLAtof(oResult.GetValue(2, nIdxInResult));
2304 358 : if (dfPixelXSize <= 0 || dfPixelYSize <= 0)
2305 : {
2306 0 : return false;
2307 : }
2308 358 : int nTileWidth = atoi(oResult.GetValue(3, nIdxInResult));
2309 358 : int nTileHeight = atoi(oResult.GetValue(4, nIdxInResult));
2310 358 : if (nTileWidth <= 0 || nTileWidth > 65536 || nTileHeight <= 0 ||
2311 : nTileHeight > 65536)
2312 : {
2313 0 : return false;
2314 : }
2315 : int nTileMatrixWidth = static_cast<int>(
2316 716 : std::min(static_cast<GIntBig>(INT_MAX),
2317 358 : CPLAtoGIntBig(oResult.GetValue(5, nIdxInResult))));
2318 : int nTileMatrixHeight = static_cast<int>(
2319 716 : std::min(static_cast<GIntBig>(INT_MAX),
2320 358 : CPLAtoGIntBig(oResult.GetValue(6, nIdxInResult))));
2321 358 : if (nTileMatrixWidth <= 0 || nTileMatrixHeight <= 0)
2322 : {
2323 0 : return false;
2324 : }
2325 :
2326 : /* Use content bounds in priority over tile_matrix_set bounds */
2327 358 : double dfGDALMinX = dfMinX;
2328 358 : double dfGDALMinY = dfMinY;
2329 358 : double dfGDALMaxX = dfMaxX;
2330 358 : double dfGDALMaxY = dfMaxY;
2331 : pszContentsMinX =
2332 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINX", pszContentsMinX);
2333 : pszContentsMinY =
2334 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINY", pszContentsMinY);
2335 : pszContentsMaxX =
2336 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXX", pszContentsMaxX);
2337 : pszContentsMaxY =
2338 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXY", pszContentsMaxY);
2339 358 : if (pszContentsMinX != nullptr && pszContentsMinY != nullptr &&
2340 358 : pszContentsMaxX != nullptr && pszContentsMaxY != nullptr)
2341 : {
2342 715 : if (CPLAtof(pszContentsMinX) < CPLAtof(pszContentsMaxX) &&
2343 357 : CPLAtof(pszContentsMinY) < CPLAtof(pszContentsMaxY))
2344 : {
2345 357 : dfGDALMinX = CPLAtof(pszContentsMinX);
2346 357 : dfGDALMinY = CPLAtof(pszContentsMinY);
2347 357 : dfGDALMaxX = CPLAtof(pszContentsMaxX);
2348 357 : dfGDALMaxY = CPLAtof(pszContentsMaxY);
2349 : }
2350 : else
2351 : {
2352 1 : CPLError(CE_Warning, CPLE_AppDefined,
2353 : "Illegal min_x/min_y/max_x/max_y values for %s in open "
2354 : "options and/or gpkg_contents. Using bounds of "
2355 : "gpkg_tile_matrix_set instead",
2356 : pszTableName);
2357 : }
2358 : }
2359 358 : if (dfGDALMinX >= dfGDALMaxX || dfGDALMinY >= dfGDALMaxY)
2360 : {
2361 0 : CPLError(CE_Failure, CPLE_AppDefined,
2362 : "Illegal min_x/min_y/max_x/max_y values for %s", pszTableName);
2363 0 : return false;
2364 : }
2365 :
2366 358 : int nBandCount = 0;
2367 : const char *pszBAND_COUNT =
2368 358 : CSLFetchNameValue(papszOpenOptionsIn, "BAND_COUNT");
2369 358 : if (poParentDS)
2370 : {
2371 86 : nBandCount = poParentDS->GetRasterCount();
2372 : }
2373 272 : else if (m_eDT != GDT_UInt8)
2374 : {
2375 65 : if (pszBAND_COUNT != nullptr && !EQUAL(pszBAND_COUNT, "AUTO") &&
2376 0 : !EQUAL(pszBAND_COUNT, "1"))
2377 : {
2378 0 : CPLError(CE_Warning, CPLE_AppDefined,
2379 : "BAND_COUNT ignored for non-Byte data");
2380 : }
2381 65 : nBandCount = 1;
2382 : }
2383 : else
2384 : {
2385 207 : if (pszBAND_COUNT != nullptr && !EQUAL(pszBAND_COUNT, "AUTO"))
2386 : {
2387 69 : nBandCount = atoi(pszBAND_COUNT);
2388 69 : if (nBandCount == 1)
2389 5 : GetMetadata("IMAGE_STRUCTURE");
2390 : }
2391 : else
2392 : {
2393 138 : GetMetadata("IMAGE_STRUCTURE");
2394 138 : nBandCount = m_nBandCountFromMetadata;
2395 138 : if (nBandCount == 1)
2396 39 : m_eTF = GPKG_TF_PNG;
2397 : }
2398 207 : if (nBandCount == 1 && !m_osTFFromMetadata.empty())
2399 : {
2400 2 : m_eTF = GDALGPKGMBTilesGetTileFormat(m_osTFFromMetadata.c_str());
2401 : }
2402 207 : if (nBandCount <= 0 || nBandCount > 4)
2403 85 : nBandCount = 4;
2404 : }
2405 :
2406 358 : return InitRaster(poParentDS, pszTableName, nZoomLevel, nBandCount, dfMinX,
2407 : dfMaxY, dfPixelXSize, dfPixelYSize, nTileWidth,
2408 : nTileHeight, nTileMatrixWidth, nTileMatrixHeight,
2409 358 : dfGDALMinX, dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
2410 : }
2411 :
2412 : /************************************************************************/
2413 : /* ComputeTileAndPixelShifts() */
2414 : /************************************************************************/
2415 :
2416 784 : bool GDALGeoPackageDataset::ComputeTileAndPixelShifts()
2417 : {
2418 : int nTileWidth, nTileHeight;
2419 784 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2420 :
2421 : // Compute shift between GDAL origin and TileMatrixSet origin
2422 784 : const double dfShiftXPixels = (m_gt[0] - m_dfTMSMinX) / m_gt[1];
2423 784 : if (!(dfShiftXPixels / nTileWidth >= INT_MIN &&
2424 781 : dfShiftXPixels / nTileWidth < INT_MAX))
2425 : {
2426 3 : return false;
2427 : }
2428 781 : const int64_t nShiftXPixels =
2429 781 : static_cast<int64_t>(floor(0.5 + dfShiftXPixels));
2430 781 : m_nShiftXTiles = static_cast<int>(nShiftXPixels / nTileWidth);
2431 781 : if (nShiftXPixels < 0 && (nShiftXPixels % nTileWidth) != 0)
2432 11 : m_nShiftXTiles--;
2433 781 : m_nShiftXPixelsMod =
2434 781 : (static_cast<int>(nShiftXPixels % nTileWidth) + nTileWidth) %
2435 : nTileWidth;
2436 :
2437 781 : const double dfShiftYPixels = (m_gt[3] - m_dfTMSMaxY) / m_gt[5];
2438 781 : if (!(dfShiftYPixels / nTileHeight >= INT_MIN &&
2439 781 : dfShiftYPixels / nTileHeight < INT_MAX))
2440 : {
2441 1 : return false;
2442 : }
2443 780 : const int64_t nShiftYPixels =
2444 780 : static_cast<int64_t>(floor(0.5 + dfShiftYPixels));
2445 780 : m_nShiftYTiles = static_cast<int>(nShiftYPixels / nTileHeight);
2446 780 : if (nShiftYPixels < 0 && (nShiftYPixels % nTileHeight) != 0)
2447 11 : m_nShiftYTiles--;
2448 780 : m_nShiftYPixelsMod =
2449 780 : (static_cast<int>(nShiftYPixels % nTileHeight) + nTileHeight) %
2450 : nTileHeight;
2451 780 : return true;
2452 : }
2453 :
2454 : /************************************************************************/
2455 : /* AllocCachedTiles() */
2456 : /************************************************************************/
2457 :
2458 780 : bool GDALGeoPackageDataset::AllocCachedTiles()
2459 : {
2460 : int nTileWidth, nTileHeight;
2461 780 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2462 :
2463 : // We currently need 4 caches because of
2464 : // GDALGPKGMBTilesLikePseudoDataset::ReadTile(int nRow, int nCol)
2465 780 : const int nCacheCount = 4;
2466 : /*
2467 : (m_nShiftXPixelsMod != 0 || m_nShiftYPixelsMod != 0) ? 4 :
2468 : (GetUpdate() && m_eDT == GDT_UInt8) ? 2 : 1;
2469 : */
2470 780 : m_pabyCachedTiles = static_cast<GByte *>(VSI_MALLOC3_VERBOSE(
2471 : cpl::fits_on<int>(nCacheCount * (m_eDT == GDT_UInt8 ? 4 : 1) *
2472 : m_nDTSize),
2473 : nTileWidth, nTileHeight));
2474 780 : if (m_pabyCachedTiles == nullptr)
2475 : {
2476 0 : CPLError(CE_Failure, CPLE_AppDefined, "Too big tiles: %d x %d",
2477 : nTileWidth, nTileHeight);
2478 0 : return false;
2479 : }
2480 :
2481 780 : return true;
2482 : }
2483 :
2484 : /************************************************************************/
2485 : /* InitRaster() */
2486 : /************************************************************************/
2487 :
2488 597 : bool GDALGeoPackageDataset::InitRaster(
2489 : GDALGeoPackageDataset *poParentDS, const char *pszTableName, int nZoomLevel,
2490 : int nBandCount, double dfTMSMinX, double dfTMSMaxY, double dfPixelXSize,
2491 : double dfPixelYSize, int nTileWidth, int nTileHeight, int nTileMatrixWidth,
2492 : int nTileMatrixHeight, double dfGDALMinX, double dfGDALMinY,
2493 : double dfGDALMaxX, double dfGDALMaxY)
2494 : {
2495 597 : m_osRasterTable = pszTableName;
2496 597 : m_dfTMSMinX = dfTMSMinX;
2497 597 : m_dfTMSMaxY = dfTMSMaxY;
2498 597 : m_nZoomLevel = nZoomLevel;
2499 597 : m_nTileMatrixWidth = nTileMatrixWidth;
2500 597 : m_nTileMatrixHeight = nTileMatrixHeight;
2501 :
2502 597 : m_bGeoTransformValid = true;
2503 597 : m_gt[0] = dfGDALMinX;
2504 597 : m_gt[1] = dfPixelXSize;
2505 597 : m_gt[3] = dfGDALMaxY;
2506 597 : m_gt[5] = -dfPixelYSize;
2507 597 : double dfRasterXSize = 0.5 + (dfGDALMaxX - dfGDALMinX) / dfPixelXSize;
2508 597 : double dfRasterYSize = 0.5 + (dfGDALMaxY - dfGDALMinY) / dfPixelYSize;
2509 597 : if (dfRasterXSize > INT_MAX || dfRasterYSize > INT_MAX)
2510 : {
2511 0 : CPLError(CE_Failure, CPLE_NotSupported, "Too big raster: %f x %f",
2512 : dfRasterXSize, dfRasterYSize);
2513 0 : return false;
2514 : }
2515 597 : nRasterXSize = std::max(1, static_cast<int>(dfRasterXSize));
2516 597 : nRasterYSize = std::max(1, static_cast<int>(dfRasterYSize));
2517 :
2518 597 : if (poParentDS)
2519 : {
2520 325 : m_poParentDS = poParentDS;
2521 325 : eAccess = poParentDS->eAccess;
2522 325 : hDB = poParentDS->hDB;
2523 325 : m_eTF = poParentDS->m_eTF;
2524 325 : m_eDT = poParentDS->m_eDT;
2525 325 : m_nDTSize = poParentDS->m_nDTSize;
2526 325 : m_dfScale = poParentDS->m_dfScale;
2527 325 : m_dfOffset = poParentDS->m_dfOffset;
2528 325 : m_dfPrecision = poParentDS->m_dfPrecision;
2529 325 : m_usGPKGNull = poParentDS->m_usGPKGNull;
2530 325 : m_nQuality = poParentDS->m_nQuality;
2531 325 : m_nZLevel = poParentDS->m_nZLevel;
2532 325 : m_bDither = poParentDS->m_bDither;
2533 : /*m_nSRID = poParentDS->m_nSRID;*/
2534 325 : m_osWHERE = poParentDS->m_osWHERE;
2535 325 : SetDescription(CPLSPrintf("%s - zoom_level=%d",
2536 325 : poParentDS->GetDescription(), m_nZoomLevel));
2537 : }
2538 :
2539 2091 : for (int i = 1; i <= nBandCount; i++)
2540 : {
2541 : auto poNewBand = std::make_unique<GDALGeoPackageRasterBand>(
2542 1494 : this, nTileWidth, nTileHeight);
2543 1494 : if (poParentDS)
2544 : {
2545 761 : int bHasNoData = FALSE;
2546 : double dfNoDataValue =
2547 761 : poParentDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
2548 761 : if (bHasNoData)
2549 24 : poNewBand->SetNoDataValueInternal(dfNoDataValue);
2550 : }
2551 :
2552 1494 : if (nBandCount == 1 && m_poCTFromMetadata)
2553 : {
2554 3 : poNewBand->AssignColorTable(m_poCTFromMetadata.get());
2555 : }
2556 1494 : if (!m_osNodataValueFromMetadata.empty())
2557 : {
2558 8 : poNewBand->SetNoDataValueInternal(
2559 : CPLAtof(m_osNodataValueFromMetadata.c_str()));
2560 : }
2561 :
2562 1494 : SetBand(i, std::move(poNewBand));
2563 : }
2564 :
2565 597 : if (!ComputeTileAndPixelShifts())
2566 : {
2567 3 : CPLError(CE_Failure, CPLE_AppDefined,
2568 : "Overflow occurred in ComputeTileAndPixelShifts()");
2569 3 : return false;
2570 : }
2571 :
2572 594 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL", "IMAGE_STRUCTURE");
2573 594 : GDALPamDataset::SetMetadataItem("ZOOM_LEVEL",
2574 : CPLSPrintf("%d", m_nZoomLevel));
2575 :
2576 594 : return AllocCachedTiles();
2577 : }
2578 :
2579 : /************************************************************************/
2580 : /* GDALGPKGMBTilesGetTileFormat() */
2581 : /************************************************************************/
2582 :
2583 80 : GPKGTileFormat GDALGPKGMBTilesGetTileFormat(const char *pszTF)
2584 : {
2585 80 : GPKGTileFormat eTF = GPKG_TF_PNG_JPEG;
2586 80 : if (pszTF)
2587 : {
2588 80 : if (EQUAL(pszTF, "PNG_JPEG") || EQUAL(pszTF, "AUTO"))
2589 1 : eTF = GPKG_TF_PNG_JPEG;
2590 79 : else if (EQUAL(pszTF, "PNG"))
2591 46 : eTF = GPKG_TF_PNG;
2592 33 : else if (EQUAL(pszTF, "PNG8"))
2593 6 : eTF = GPKG_TF_PNG8;
2594 27 : else if (EQUAL(pszTF, "JPEG"))
2595 14 : eTF = GPKG_TF_JPEG;
2596 13 : else if (EQUAL(pszTF, "WEBP"))
2597 13 : eTF = GPKG_TF_WEBP;
2598 : else
2599 : {
2600 0 : CPLError(CE_Failure, CPLE_NotSupported,
2601 : "Unsuppoted value for TILE_FORMAT: %s", pszTF);
2602 : }
2603 : }
2604 80 : return eTF;
2605 : }
2606 :
2607 28 : const char *GDALMBTilesGetTileFormatName(GPKGTileFormat eTF)
2608 : {
2609 28 : switch (eTF)
2610 : {
2611 26 : case GPKG_TF_PNG:
2612 : case GPKG_TF_PNG8:
2613 26 : return "png";
2614 1 : case GPKG_TF_JPEG:
2615 1 : return "jpg";
2616 1 : case GPKG_TF_WEBP:
2617 1 : return "webp";
2618 0 : default:
2619 0 : break;
2620 : }
2621 0 : CPLError(CE_Failure, CPLE_NotSupported,
2622 : "Unsuppoted value for TILE_FORMAT: %d", static_cast<int>(eTF));
2623 0 : return nullptr;
2624 : }
2625 :
2626 : /************************************************************************/
2627 : /* OpenRaster() */
2628 : /************************************************************************/
2629 :
2630 274 : bool GDALGeoPackageDataset::OpenRaster(
2631 : const char *pszTableName, const char *pszIdentifier,
2632 : const char *pszDescription, int nSRSId, double dfMinX, double dfMinY,
2633 : double dfMaxX, double dfMaxY, const char *pszContentsMinX,
2634 : const char *pszContentsMinY, const char *pszContentsMaxX,
2635 : const char *pszContentsMaxY, bool bIsTiles, char **papszOpenOptionsIn)
2636 : {
2637 274 : if (dfMinX >= dfMaxX || dfMinY >= dfMaxY)
2638 0 : return false;
2639 :
2640 : // Config option just for debug, and for example force set to NaN
2641 : // which is not supported
2642 548 : CPLString osDataNull = CPLGetConfigOption("GPKG_NODATA", "");
2643 548 : CPLString osUom;
2644 548 : CPLString osFieldName;
2645 548 : CPLString osGridCellEncoding;
2646 274 : if (!bIsTiles)
2647 : {
2648 65 : char *pszSQL = sqlite3_mprintf(
2649 : "SELECT datatype, scale, offset, data_null, precision FROM "
2650 : "gpkg_2d_gridded_coverage_ancillary "
2651 : "WHERE tile_matrix_set_name = '%q' "
2652 : "AND datatype IN ('integer', 'float')"
2653 : "AND (scale > 0 OR scale IS NULL)",
2654 : pszTableName);
2655 65 : auto oResult = SQLQuery(hDB, pszSQL);
2656 65 : sqlite3_free(pszSQL);
2657 65 : if (!oResult || oResult->RowCount() == 0)
2658 : {
2659 0 : return false;
2660 : }
2661 65 : const char *pszDataType = oResult->GetValue(0, 0);
2662 65 : const char *pszScale = oResult->GetValue(1, 0);
2663 65 : const char *pszOffset = oResult->GetValue(2, 0);
2664 65 : const char *pszDataNull = oResult->GetValue(3, 0);
2665 65 : const char *pszPrecision = oResult->GetValue(4, 0);
2666 65 : if (pszDataNull)
2667 23 : osDataNull = pszDataNull;
2668 65 : if (EQUAL(pszDataType, "float"))
2669 : {
2670 6 : SetDataType(GDT_Float32);
2671 6 : m_eTF = GPKG_TF_TIFF_32BIT_FLOAT;
2672 : }
2673 : else
2674 : {
2675 59 : SetDataType(GDT_Float32);
2676 59 : m_eTF = GPKG_TF_PNG_16BIT;
2677 59 : const double dfScale = pszScale ? CPLAtof(pszScale) : 1.0;
2678 59 : const double dfOffset = pszOffset ? CPLAtof(pszOffset) : 0.0;
2679 59 : if (dfScale == 1.0)
2680 : {
2681 59 : if (dfOffset == 0.0)
2682 : {
2683 24 : SetDataType(GDT_UInt16);
2684 : }
2685 35 : else if (dfOffset == -32768.0)
2686 : {
2687 35 : SetDataType(GDT_Int16);
2688 : }
2689 : // coverity[tainted_data]
2690 0 : else if (dfOffset == -32767.0 && !osDataNull.empty() &&
2691 0 : CPLAtof(osDataNull) == 65535.0)
2692 : // Given that we will map the nodata value to -32768
2693 : {
2694 0 : SetDataType(GDT_Int16);
2695 : }
2696 : }
2697 :
2698 : // Check that the tile offset and scales are compatible of a
2699 : // final integer result.
2700 59 : if (m_eDT != GDT_Float32)
2701 : {
2702 : // coverity[tainted_data]
2703 59 : if (dfScale == 1.0 && dfOffset == -32768.0 &&
2704 118 : !osDataNull.empty() && CPLAtof(osDataNull) == 65535.0)
2705 : {
2706 : // Given that we will map the nodata value to -32768
2707 9 : pszSQL = sqlite3_mprintf(
2708 : "SELECT 1 FROM "
2709 : "gpkg_2d_gridded_tile_ancillary WHERE "
2710 : "tpudt_name = '%q' "
2711 : "AND NOT ((offset = 0.0 or offset = 1.0) "
2712 : "AND scale = 1.0) "
2713 : "LIMIT 1",
2714 : pszTableName);
2715 : }
2716 : else
2717 : {
2718 50 : pszSQL = sqlite3_mprintf(
2719 : "SELECT 1 FROM "
2720 : "gpkg_2d_gridded_tile_ancillary WHERE "
2721 : "tpudt_name = '%q' "
2722 : "AND NOT (offset = 0.0 AND scale = 1.0) LIMIT 1",
2723 : pszTableName);
2724 : }
2725 59 : sqlite3_stmt *hSQLStmt = nullptr;
2726 : int rc =
2727 59 : SQLPrepareWithError(hDB, pszSQL, -1, &hSQLStmt, nullptr);
2728 :
2729 59 : if (rc == SQLITE_OK)
2730 : {
2731 59 : if (sqlite3_step(hSQLStmt) == SQLITE_ROW)
2732 : {
2733 8 : SetDataType(GDT_Float32);
2734 : }
2735 59 : sqlite3_finalize(hSQLStmt);
2736 : }
2737 59 : sqlite3_free(pszSQL);
2738 : }
2739 :
2740 59 : SetGlobalOffsetScale(dfOffset, dfScale);
2741 : }
2742 65 : if (pszPrecision)
2743 65 : m_dfPrecision = CPLAtof(pszPrecision);
2744 :
2745 : // Request those columns in a separate query, so as to keep
2746 : // compatibility with pre OGC 17-066r1 databases
2747 : pszSQL =
2748 65 : sqlite3_mprintf("SELECT uom, field_name, grid_cell_encoding FROM "
2749 : "gpkg_2d_gridded_coverage_ancillary "
2750 : "WHERE tile_matrix_set_name = '%q'",
2751 : pszTableName);
2752 65 : CPLPushErrorHandler(CPLQuietErrorHandler);
2753 65 : oResult = SQLQuery(hDB, pszSQL);
2754 65 : CPLPopErrorHandler();
2755 65 : sqlite3_free(pszSQL);
2756 65 : if (oResult && oResult->RowCount() == 1)
2757 : {
2758 64 : const char *pszUom = oResult->GetValue(0, 0);
2759 64 : if (pszUom)
2760 2 : osUom = pszUom;
2761 64 : const char *pszFieldName = oResult->GetValue(1, 0);
2762 64 : if (pszFieldName)
2763 64 : osFieldName = pszFieldName;
2764 64 : const char *pszGridCellEncoding = oResult->GetValue(2, 0);
2765 64 : if (pszGridCellEncoding)
2766 64 : osGridCellEncoding = pszGridCellEncoding;
2767 : }
2768 : }
2769 :
2770 274 : m_bRecordInsertedInGPKGContent = true;
2771 274 : m_nSRID = nSRSId;
2772 :
2773 547 : if (auto poSRS = GetSpatialRef(nSRSId))
2774 : {
2775 273 : m_oSRS = *(poSRS.get());
2776 : }
2777 :
2778 : /* Various sanity checks added in the SELECT */
2779 274 : char *pszQuotedTableName = sqlite3_mprintf("'%q'", pszTableName);
2780 548 : CPLString osQuotedTableName(pszQuotedTableName);
2781 274 : sqlite3_free(pszQuotedTableName);
2782 274 : char *pszSQL = sqlite3_mprintf(
2783 : "SELECT zoom_level, pixel_x_size, pixel_y_size, tile_width, "
2784 : "tile_height, matrix_width, matrix_height "
2785 : "FROM gpkg_tile_matrix tm "
2786 : "WHERE table_name = %s "
2787 : // INT_MAX would be the theoretical maximum value to avoid
2788 : // overflows, but that's already a insane value.
2789 : "AND zoom_level >= 0 AND zoom_level <= 65536 "
2790 : "AND pixel_x_size > 0 AND pixel_y_size > 0 "
2791 : "AND tile_width >= 1 AND tile_width <= 65536 "
2792 : "AND tile_height >= 1 AND tile_height <= 65536 "
2793 : "AND matrix_width >= 1 AND matrix_height >= 1",
2794 : osQuotedTableName.c_str());
2795 548 : CPLString osSQL(pszSQL);
2796 : const char *pszZoomLevel =
2797 274 : CSLFetchNameValue(papszOpenOptionsIn, "ZOOM_LEVEL");
2798 274 : if (pszZoomLevel)
2799 : {
2800 5 : if (GetUpdate())
2801 1 : osSQL += CPLSPrintf(" AND zoom_level <= %d", atoi(pszZoomLevel));
2802 : else
2803 : {
2804 : osSQL += CPLSPrintf(
2805 : " AND (zoom_level = %d OR (zoom_level < %d AND EXISTS(SELECT 1 "
2806 : "FROM %s WHERE zoom_level = tm.zoom_level LIMIT 1)))",
2807 : atoi(pszZoomLevel), atoi(pszZoomLevel),
2808 4 : osQuotedTableName.c_str());
2809 : }
2810 : }
2811 : // In read-only mode, only lists non empty zoom levels
2812 269 : else if (!GetUpdate())
2813 : {
2814 : osSQL += CPLSPrintf(" AND EXISTS(SELECT 1 FROM %s WHERE zoom_level = "
2815 : "tm.zoom_level LIMIT 1)",
2816 215 : osQuotedTableName.c_str());
2817 : }
2818 : else // if( pszZoomLevel == nullptr )
2819 : {
2820 : osSQL +=
2821 : CPLSPrintf(" AND zoom_level <= (SELECT MAX(zoom_level) FROM %s)",
2822 54 : osQuotedTableName.c_str());
2823 : }
2824 274 : osSQL += " ORDER BY zoom_level DESC";
2825 : // To avoid denial of service.
2826 274 : osSQL += " LIMIT 100";
2827 :
2828 548 : auto oResult = SQLQuery(hDB, osSQL.c_str());
2829 274 : if (!oResult || oResult->RowCount() == 0)
2830 : {
2831 114 : if (oResult && oResult->RowCount() == 0 && pszContentsMinX != nullptr &&
2832 114 : pszContentsMinY != nullptr && pszContentsMaxX != nullptr &&
2833 : pszContentsMaxY != nullptr)
2834 : {
2835 56 : osSQL = pszSQL;
2836 56 : osSQL += " ORDER BY zoom_level DESC";
2837 56 : if (!GetUpdate())
2838 30 : osSQL += " LIMIT 1";
2839 56 : oResult = SQLQuery(hDB, osSQL.c_str());
2840 : }
2841 57 : if (!oResult || oResult->RowCount() == 0)
2842 : {
2843 1 : if (oResult && pszZoomLevel != nullptr)
2844 : {
2845 1 : CPLError(CE_Failure, CPLE_AppDefined,
2846 : "ZOOM_LEVEL is probably not valid w.r.t tile "
2847 : "table content");
2848 : }
2849 1 : sqlite3_free(pszSQL);
2850 1 : return false;
2851 : }
2852 : }
2853 273 : sqlite3_free(pszSQL);
2854 :
2855 : // If USE_TILE_EXTENT=YES, then query the tile table to find which tiles
2856 : // actually exist.
2857 :
2858 : // CAUTION: Do not move those variables inside inner scope !
2859 546 : CPLString osContentsMinX, osContentsMinY, osContentsMaxX, osContentsMaxY;
2860 :
2861 273 : if (CPLTestBool(
2862 : CSLFetchNameValueDef(papszOpenOptionsIn, "USE_TILE_EXTENT", "NO")))
2863 : {
2864 13 : pszSQL = sqlite3_mprintf(
2865 : "SELECT MIN(tile_column), MIN(tile_row), MAX(tile_column), "
2866 : "MAX(tile_row) FROM \"%w\" WHERE zoom_level = %d",
2867 : pszTableName, atoi(oResult->GetValue(0, 0)));
2868 13 : auto oResult2 = SQLQuery(hDB, pszSQL);
2869 13 : sqlite3_free(pszSQL);
2870 26 : if (!oResult2 || oResult2->RowCount() == 0 ||
2871 : // Can happen if table is empty
2872 38 : oResult2->GetValue(0, 0) == nullptr ||
2873 : // Can happen if table has no NOT NULL constraint on tile_row
2874 : // and that all tile_row are NULL
2875 12 : oResult2->GetValue(1, 0) == nullptr)
2876 : {
2877 1 : return false;
2878 : }
2879 12 : const double dfPixelXSize = CPLAtof(oResult->GetValue(1, 0));
2880 12 : const double dfPixelYSize = CPLAtof(oResult->GetValue(2, 0));
2881 12 : const int nTileWidth = atoi(oResult->GetValue(3, 0));
2882 12 : const int nTileHeight = atoi(oResult->GetValue(4, 0));
2883 : osContentsMinX =
2884 24 : CPLSPrintf("%.17g", dfMinX + dfPixelXSize * nTileWidth *
2885 12 : atoi(oResult2->GetValue(0, 0)));
2886 : osContentsMaxY =
2887 24 : CPLSPrintf("%.17g", dfMaxY - dfPixelYSize * nTileHeight *
2888 12 : atoi(oResult2->GetValue(1, 0)));
2889 : osContentsMaxX = CPLSPrintf(
2890 24 : "%.17g", dfMinX + dfPixelXSize * nTileWidth *
2891 12 : (1 + atoi(oResult2->GetValue(2, 0))));
2892 : osContentsMinY = CPLSPrintf(
2893 24 : "%.17g", dfMaxY - dfPixelYSize * nTileHeight *
2894 12 : (1 + atoi(oResult2->GetValue(3, 0))));
2895 12 : pszContentsMinX = osContentsMinX.c_str();
2896 12 : pszContentsMinY = osContentsMinY.c_str();
2897 12 : pszContentsMaxX = osContentsMaxX.c_str();
2898 12 : pszContentsMaxY = osContentsMaxY.c_str();
2899 : }
2900 :
2901 272 : if (!InitRaster(nullptr, pszTableName, dfMinX, dfMinY, dfMaxX, dfMaxY,
2902 : pszContentsMinX, pszContentsMinY, pszContentsMaxX,
2903 272 : pszContentsMaxY, papszOpenOptionsIn, *oResult, 0))
2904 : {
2905 3 : return false;
2906 : }
2907 :
2908 269 : auto poBand = cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(1));
2909 269 : if (!osDataNull.empty())
2910 : {
2911 23 : double dfGPKGNoDataValue = CPLAtof(osDataNull);
2912 23 : if (m_eTF == GPKG_TF_PNG_16BIT)
2913 : {
2914 21 : if (dfGPKGNoDataValue < 0 || dfGPKGNoDataValue > 65535 ||
2915 21 : static_cast<int>(dfGPKGNoDataValue) != dfGPKGNoDataValue)
2916 : {
2917 0 : CPLError(CE_Warning, CPLE_AppDefined,
2918 : "data_null = %.17g is invalid for integer data_type",
2919 : dfGPKGNoDataValue);
2920 : }
2921 : else
2922 : {
2923 21 : m_usGPKGNull = static_cast<GUInt16>(dfGPKGNoDataValue);
2924 21 : if (m_eDT == GDT_Int16 && m_usGPKGNull > 32767)
2925 9 : dfGPKGNoDataValue = -32768.0;
2926 12 : else if (m_eDT == GDT_Float32)
2927 : {
2928 : // Pick a value that is unlikely to be hit with offset &
2929 : // scale
2930 4 : dfGPKGNoDataValue = -std::numeric_limits<float>::max();
2931 : }
2932 21 : poBand->SetNoDataValueInternal(dfGPKGNoDataValue);
2933 : }
2934 : }
2935 : else
2936 : {
2937 2 : poBand->SetNoDataValueInternal(
2938 2 : static_cast<float>(dfGPKGNoDataValue));
2939 : }
2940 : }
2941 269 : if (!osUom.empty())
2942 : {
2943 2 : poBand->SetUnitTypeInternal(osUom);
2944 : }
2945 269 : if (!osFieldName.empty())
2946 : {
2947 64 : GetRasterBand(1)->GDALRasterBand::SetDescription(osFieldName);
2948 : }
2949 269 : if (!osGridCellEncoding.empty())
2950 : {
2951 64 : if (osGridCellEncoding == "grid-value-is-center")
2952 : {
2953 15 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2954 : GDALMD_AOP_POINT);
2955 : }
2956 49 : else if (osGridCellEncoding == "grid-value-is-area")
2957 : {
2958 45 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2959 : GDALMD_AOP_AREA);
2960 : }
2961 : else
2962 : {
2963 4 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2964 : GDALMD_AOP_POINT);
2965 4 : GetRasterBand(1)->GDALRasterBand::SetMetadataItem(
2966 : "GRID_CELL_ENCODING", osGridCellEncoding);
2967 : }
2968 : }
2969 :
2970 269 : CheckUnknownExtensions(true);
2971 :
2972 : // Do this after CheckUnknownExtensions() so that m_eTF is set to
2973 : // GPKG_TF_WEBP if the table already registers the gpkg_webp extension
2974 269 : const char *pszTF = CSLFetchNameValue(papszOpenOptionsIn, "TILE_FORMAT");
2975 269 : if (pszTF)
2976 : {
2977 4 : if (!GetUpdate())
2978 : {
2979 0 : CPLError(CE_Warning, CPLE_AppDefined,
2980 : "TILE_FORMAT open option ignored in read-only mode");
2981 : }
2982 4 : else if (m_eTF == GPKG_TF_PNG_16BIT ||
2983 4 : m_eTF == GPKG_TF_TIFF_32BIT_FLOAT)
2984 : {
2985 0 : CPLError(CE_Warning, CPLE_AppDefined,
2986 : "TILE_FORMAT open option ignored on gridded coverages");
2987 : }
2988 : else
2989 : {
2990 4 : GPKGTileFormat eTF = GDALGPKGMBTilesGetTileFormat(pszTF);
2991 4 : if (eTF == GPKG_TF_WEBP && m_eTF != eTF)
2992 : {
2993 1 : if (!RegisterWebPExtension())
2994 0 : return false;
2995 : }
2996 4 : m_eTF = eTF;
2997 : }
2998 : }
2999 :
3000 269 : ParseCompressionOptions(papszOpenOptionsIn);
3001 :
3002 269 : m_osWHERE = CSLFetchNameValueDef(papszOpenOptionsIn, "WHERE", "");
3003 :
3004 : // Set metadata
3005 269 : if (pszIdentifier && pszIdentifier[0])
3006 269 : GDALPamDataset::SetMetadataItem("IDENTIFIER", pszIdentifier);
3007 269 : if (pszDescription && pszDescription[0])
3008 21 : GDALPamDataset::SetMetadataItem("DESCRIPTION", pszDescription);
3009 :
3010 : // Add overviews
3011 354 : for (int i = 1; i < oResult->RowCount(); i++)
3012 : {
3013 86 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3014 86 : poOvrDS->ShareLockWithParentDataset(this);
3015 172 : if (!poOvrDS->InitRaster(this, pszTableName, dfMinX, dfMinY, dfMaxX,
3016 : dfMaxY, pszContentsMinX, pszContentsMinY,
3017 : pszContentsMaxX, pszContentsMaxY,
3018 86 : papszOpenOptionsIn, *oResult, i))
3019 : {
3020 0 : break;
3021 : }
3022 :
3023 : int nTileWidth, nTileHeight;
3024 86 : poOvrDS->GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3025 : const bool bStop =
3026 87 : (eAccess == GA_ReadOnly && poOvrDS->GetRasterXSize() < nTileWidth &&
3027 1 : poOvrDS->GetRasterYSize() < nTileHeight);
3028 :
3029 86 : m_apoOverviewDS.push_back(std::move(poOvrDS));
3030 :
3031 86 : if (bStop)
3032 : {
3033 1 : break;
3034 : }
3035 : }
3036 :
3037 269 : return true;
3038 : }
3039 :
3040 : /************************************************************************/
3041 : /* GetSpatialRef() */
3042 : /************************************************************************/
3043 :
3044 17 : const OGRSpatialReference *GDALGeoPackageDataset::GetSpatialRef() const
3045 : {
3046 17 : if (GetLayerCount())
3047 1 : return GDALDataset::GetSpatialRef();
3048 16 : return GetSpatialRefRasterOnly();
3049 : }
3050 :
3051 : /************************************************************************/
3052 : /* GetSpatialRefRasterOnly() */
3053 : /************************************************************************/
3054 :
3055 : const OGRSpatialReference *
3056 17 : GDALGeoPackageDataset::GetSpatialRefRasterOnly() const
3057 :
3058 : {
3059 17 : return m_oSRS.IsEmpty() ? nullptr : &m_oSRS;
3060 : }
3061 :
3062 : /************************************************************************/
3063 : /* SetSpatialRef() */
3064 : /************************************************************************/
3065 :
3066 152 : CPLErr GDALGeoPackageDataset::SetSpatialRef(const OGRSpatialReference *poSRS)
3067 : {
3068 152 : if (nBands == 0)
3069 : {
3070 1 : CPLError(CE_Failure, CPLE_NotSupported,
3071 : "SetProjection() not supported on a dataset with 0 band");
3072 1 : return CE_Failure;
3073 : }
3074 151 : if (eAccess != GA_Update)
3075 : {
3076 1 : CPLError(CE_Failure, CPLE_NotSupported,
3077 : "SetProjection() not supported on read-only dataset");
3078 1 : return CE_Failure;
3079 : }
3080 :
3081 150 : const int nSRID = GetSrsId(poSRS);
3082 300 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3083 150 : if (poTS && nSRID != poTS->nEPSGCode)
3084 : {
3085 2 : CPLError(CE_Failure, CPLE_NotSupported,
3086 : "Projection should be EPSG:%d for %s tiling scheme",
3087 1 : poTS->nEPSGCode, m_osTilingScheme.c_str());
3088 1 : return CE_Failure;
3089 : }
3090 :
3091 149 : m_nSRID = nSRID;
3092 149 : m_oSRS.Clear();
3093 149 : if (poSRS)
3094 148 : m_oSRS = *poSRS;
3095 :
3096 149 : if (m_bRecordInsertedInGPKGContent)
3097 : {
3098 121 : char *pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET srs_id = %d "
3099 : "WHERE lower(table_name) = lower('%q')",
3100 : m_nSRID, m_osRasterTable.c_str());
3101 121 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3102 121 : sqlite3_free(pszSQL);
3103 121 : if (eErr != OGRERR_NONE)
3104 0 : return CE_Failure;
3105 :
3106 121 : pszSQL = sqlite3_mprintf("UPDATE gpkg_tile_matrix_set SET srs_id = %d "
3107 : "WHERE lower(table_name) = lower('%q')",
3108 : m_nSRID, m_osRasterTable.c_str());
3109 121 : eErr = SQLCommand(hDB, pszSQL);
3110 121 : sqlite3_free(pszSQL);
3111 121 : if (eErr != OGRERR_NONE)
3112 0 : return CE_Failure;
3113 : }
3114 :
3115 149 : return CE_None;
3116 : }
3117 :
3118 : /************************************************************************/
3119 : /* GetGeoTransform() */
3120 : /************************************************************************/
3121 :
3122 33 : CPLErr GDALGeoPackageDataset::GetGeoTransform(GDALGeoTransform >) const
3123 : {
3124 33 : gt = m_gt;
3125 33 : if (!m_bGeoTransformValid)
3126 2 : return CE_Failure;
3127 : else
3128 31 : return CE_None;
3129 : }
3130 :
3131 : /************************************************************************/
3132 : /* SetGeoTransform() */
3133 : /************************************************************************/
3134 :
3135 192 : CPLErr GDALGeoPackageDataset::SetGeoTransform(const GDALGeoTransform >)
3136 : {
3137 192 : if (nBands == 0)
3138 : {
3139 2 : CPLError(CE_Failure, CPLE_NotSupported,
3140 : "SetGeoTransform() not supported on a dataset with 0 band");
3141 2 : return CE_Failure;
3142 : }
3143 190 : if (eAccess != GA_Update)
3144 : {
3145 1 : CPLError(CE_Failure, CPLE_NotSupported,
3146 : "SetGeoTransform() not supported on read-only dataset");
3147 1 : return CE_Failure;
3148 : }
3149 189 : if (m_bGeoTransformValid)
3150 : {
3151 1 : CPLError(CE_Failure, CPLE_NotSupported,
3152 : "Cannot modify geotransform once set");
3153 1 : return CE_Failure;
3154 : }
3155 188 : if (gt[2] != 0.0 || gt[4] != 0 || gt[5] > 0.0)
3156 : {
3157 0 : CPLError(CE_Failure, CPLE_NotSupported,
3158 : "Only north-up non rotated geotransform supported");
3159 0 : return CE_Failure;
3160 : }
3161 :
3162 188 : if (m_nZoomLevel < 0)
3163 : {
3164 187 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3165 187 : if (poTS)
3166 : {
3167 20 : double dfPixelXSizeZoomLevel0 = poTS->dfPixelXSizeZoomLevel0;
3168 20 : double dfPixelYSizeZoomLevel0 = poTS->dfPixelYSizeZoomLevel0;
3169 199 : for (m_nZoomLevel = 0; m_nZoomLevel < MAX_ZOOM_LEVEL;
3170 179 : m_nZoomLevel++)
3171 : {
3172 198 : double dfExpectedPixelXSize =
3173 198 : dfPixelXSizeZoomLevel0 / (1 << m_nZoomLevel);
3174 198 : double dfExpectedPixelYSize =
3175 198 : dfPixelYSizeZoomLevel0 / (1 << m_nZoomLevel);
3176 198 : if (fabs(gt[1] - dfExpectedPixelXSize) <
3177 217 : 1e-8 * dfExpectedPixelXSize &&
3178 19 : fabs(fabs(gt[5]) - dfExpectedPixelYSize) <
3179 19 : 1e-8 * dfExpectedPixelYSize)
3180 : {
3181 19 : break;
3182 : }
3183 : }
3184 20 : if (m_nZoomLevel == MAX_ZOOM_LEVEL)
3185 : {
3186 1 : m_nZoomLevel = -1;
3187 1 : CPLError(
3188 : CE_Failure, CPLE_NotSupported,
3189 : "Could not find an appropriate zoom level of %s tiling "
3190 : "scheme that matches raster pixel size",
3191 : m_osTilingScheme.c_str());
3192 1 : return CE_Failure;
3193 : }
3194 : }
3195 : }
3196 :
3197 187 : m_gt = gt;
3198 187 : m_bGeoTransformValid = true;
3199 :
3200 187 : return FinalizeRasterRegistration();
3201 : }
3202 :
3203 : /************************************************************************/
3204 : /* FinalizeRasterRegistration() */
3205 : /************************************************************************/
3206 :
3207 187 : CPLErr GDALGeoPackageDataset::FinalizeRasterRegistration()
3208 : {
3209 : OGRErr eErr;
3210 :
3211 187 : m_dfTMSMinX = m_gt[0];
3212 187 : m_dfTMSMaxY = m_gt[3];
3213 :
3214 : int nTileWidth, nTileHeight;
3215 187 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3216 :
3217 187 : if (m_nZoomLevel < 0)
3218 : {
3219 167 : m_nZoomLevel = 0;
3220 241 : while ((nRasterXSize >> m_nZoomLevel) > nTileWidth ||
3221 167 : (nRasterYSize >> m_nZoomLevel) > nTileHeight)
3222 74 : m_nZoomLevel++;
3223 : }
3224 :
3225 187 : double dfPixelXSizeZoomLevel0 = m_gt[1] * (1 << m_nZoomLevel);
3226 187 : double dfPixelYSizeZoomLevel0 = fabs(m_gt[5]) * (1 << m_nZoomLevel);
3227 : int nTileXCountZoomLevel0 =
3228 187 : std::max(1, DIV_ROUND_UP((nRasterXSize >> m_nZoomLevel), nTileWidth));
3229 : int nTileYCountZoomLevel0 =
3230 187 : std::max(1, DIV_ROUND_UP((nRasterYSize >> m_nZoomLevel), nTileHeight));
3231 :
3232 374 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3233 187 : if (poTS)
3234 : {
3235 20 : CPLAssert(m_nZoomLevel >= 0);
3236 20 : m_dfTMSMinX = poTS->dfMinX;
3237 20 : m_dfTMSMaxY = poTS->dfMaxY;
3238 20 : dfPixelXSizeZoomLevel0 = poTS->dfPixelXSizeZoomLevel0;
3239 20 : dfPixelYSizeZoomLevel0 = poTS->dfPixelYSizeZoomLevel0;
3240 20 : nTileXCountZoomLevel0 = poTS->nTileXCountZoomLevel0;
3241 20 : nTileYCountZoomLevel0 = poTS->nTileYCountZoomLevel0;
3242 : }
3243 187 : m_nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << m_nZoomLevel);
3244 187 : m_nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << m_nZoomLevel);
3245 :
3246 187 : if (!ComputeTileAndPixelShifts())
3247 : {
3248 1 : CPLError(CE_Failure, CPLE_AppDefined,
3249 : "Overflow occurred in ComputeTileAndPixelShifts()");
3250 1 : return CE_Failure;
3251 : }
3252 :
3253 186 : if (!AllocCachedTiles())
3254 : {
3255 0 : return CE_Failure;
3256 : }
3257 :
3258 186 : double dfGDALMinX = m_gt[0];
3259 186 : double dfGDALMinY = m_gt[3] + nRasterYSize * m_gt[5];
3260 186 : double dfGDALMaxX = m_gt[0] + nRasterXSize * m_gt[1];
3261 186 : double dfGDALMaxY = m_gt[3];
3262 :
3263 186 : if (SoftStartTransaction() != OGRERR_NONE)
3264 0 : return CE_Failure;
3265 :
3266 : const char *pszCurrentDate =
3267 186 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3268 : CPLString osInsertGpkgContentsFormatting(
3269 : "INSERT INTO gpkg_contents "
3270 : "(table_name,data_type,identifier,description,min_x,min_y,max_x,max_y,"
3271 : "last_change,srs_id) VALUES "
3272 372 : "('%q','%q','%q','%q',%.17g,%.17g,%.17g,%.17g,");
3273 186 : osInsertGpkgContentsFormatting += (pszCurrentDate) ? "'%q'" : "%s";
3274 186 : osInsertGpkgContentsFormatting += ",%d)";
3275 372 : char *pszSQL = sqlite3_mprintf(
3276 : osInsertGpkgContentsFormatting.c_str(), m_osRasterTable.c_str(),
3277 186 : (m_eDT == GDT_UInt8) ? "tiles" : "2d-gridded-coverage",
3278 : m_osIdentifier.c_str(), m_osDescription.c_str(), dfGDALMinX, dfGDALMinY,
3279 : dfGDALMaxX, dfGDALMaxY,
3280 : pszCurrentDate ? pszCurrentDate
3281 : : "strftime('%Y-%m-%dT%H:%M:%fZ','now')",
3282 : m_nSRID);
3283 :
3284 186 : eErr = SQLCommand(hDB, pszSQL);
3285 186 : sqlite3_free(pszSQL);
3286 186 : if (eErr != OGRERR_NONE)
3287 : {
3288 8 : SoftRollbackTransaction();
3289 8 : return CE_Failure;
3290 : }
3291 :
3292 178 : double dfTMSMaxX = m_dfTMSMinX + nTileXCountZoomLevel0 * nTileWidth *
3293 : dfPixelXSizeZoomLevel0;
3294 178 : double dfTMSMinY = m_dfTMSMaxY - nTileYCountZoomLevel0 * nTileHeight *
3295 : dfPixelYSizeZoomLevel0;
3296 :
3297 : pszSQL =
3298 178 : sqlite3_mprintf("INSERT INTO gpkg_tile_matrix_set "
3299 : "(table_name,srs_id,min_x,min_y,max_x,max_y) VALUES "
3300 : "('%q',%d,%.17g,%.17g,%.17g,%.17g)",
3301 : m_osRasterTable.c_str(), m_nSRID, m_dfTMSMinX,
3302 : dfTMSMinY, dfTMSMaxX, m_dfTMSMaxY);
3303 178 : eErr = SQLCommand(hDB, pszSQL);
3304 178 : sqlite3_free(pszSQL);
3305 178 : if (eErr != OGRERR_NONE)
3306 : {
3307 0 : SoftRollbackTransaction();
3308 0 : return CE_Failure;
3309 : }
3310 :
3311 178 : m_apoOverviewDS.resize(m_nZoomLevel);
3312 :
3313 591 : for (int i = 0; i <= m_nZoomLevel; i++)
3314 : {
3315 413 : double dfPixelXSizeZoomLevel = 0.0;
3316 413 : double dfPixelYSizeZoomLevel = 0.0;
3317 413 : int nTileMatrixWidth = 0;
3318 413 : int nTileMatrixHeight = 0;
3319 413 : if (EQUAL(m_osTilingScheme, "CUSTOM"))
3320 : {
3321 232 : dfPixelXSizeZoomLevel = m_gt[1] * (1 << (m_nZoomLevel - i));
3322 232 : dfPixelYSizeZoomLevel = fabs(m_gt[5]) * (1 << (m_nZoomLevel - i));
3323 : }
3324 : else
3325 : {
3326 181 : dfPixelXSizeZoomLevel = dfPixelXSizeZoomLevel0 / (1 << i);
3327 181 : dfPixelYSizeZoomLevel = dfPixelYSizeZoomLevel0 / (1 << i);
3328 : }
3329 413 : nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << i);
3330 413 : nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << i);
3331 :
3332 413 : pszSQL = sqlite3_mprintf(
3333 : "INSERT INTO gpkg_tile_matrix "
3334 : "(table_name,zoom_level,matrix_width,matrix_height,tile_width,tile_"
3335 : "height,pixel_x_size,pixel_y_size) VALUES "
3336 : "('%q',%d,%d,%d,%d,%d,%.17g,%.17g)",
3337 : m_osRasterTable.c_str(), i, nTileMatrixWidth, nTileMatrixHeight,
3338 : nTileWidth, nTileHeight, dfPixelXSizeZoomLevel,
3339 : dfPixelYSizeZoomLevel);
3340 413 : eErr = SQLCommand(hDB, pszSQL);
3341 413 : sqlite3_free(pszSQL);
3342 413 : if (eErr != OGRERR_NONE)
3343 : {
3344 0 : SoftRollbackTransaction();
3345 0 : return CE_Failure;
3346 : }
3347 :
3348 413 : if (i < m_nZoomLevel)
3349 : {
3350 470 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3351 235 : poOvrDS->ShareLockWithParentDataset(this);
3352 235 : poOvrDS->InitRaster(this, m_osRasterTable, i, nBands, m_dfTMSMinX,
3353 : m_dfTMSMaxY, dfPixelXSizeZoomLevel,
3354 : dfPixelYSizeZoomLevel, nTileWidth, nTileHeight,
3355 : nTileMatrixWidth, nTileMatrixHeight, dfGDALMinX,
3356 : dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
3357 :
3358 235 : m_apoOverviewDS[m_nZoomLevel - 1 - i] = std::move(poOvrDS);
3359 : }
3360 : }
3361 :
3362 178 : if (!m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.empty())
3363 : {
3364 40 : eErr = SQLCommand(
3365 : hDB, m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.c_str());
3366 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.clear();
3367 40 : if (eErr != OGRERR_NONE)
3368 : {
3369 0 : SoftRollbackTransaction();
3370 0 : return CE_Failure;
3371 : }
3372 : }
3373 :
3374 178 : SoftCommitTransaction();
3375 :
3376 178 : m_apoOverviewDS.resize(m_nZoomLevel);
3377 178 : m_bRecordInsertedInGPKGContent = true;
3378 :
3379 178 : return CE_None;
3380 : }
3381 :
3382 : /************************************************************************/
3383 : /* FlushCache() */
3384 : /************************************************************************/
3385 :
3386 2828 : CPLErr GDALGeoPackageDataset::FlushCache(bool bAtClosing)
3387 : {
3388 2828 : if (m_bInFlushCache)
3389 0 : return CE_None;
3390 :
3391 2828 : if (eAccess == GA_Update || !m_bMetadataDirty)
3392 : {
3393 2825 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3394 : }
3395 :
3396 2828 : if (m_bRemoveOGREmptyTable)
3397 : {
3398 765 : m_bRemoveOGREmptyTable = false;
3399 765 : RemoveOGREmptyTable();
3400 : }
3401 :
3402 2828 : CPLErr eErr = IFlushCacheWithErrCode(bAtClosing);
3403 :
3404 2828 : FlushMetadata();
3405 :
3406 2828 : if (eAccess == GA_Update || !m_bMetadataDirty)
3407 : {
3408 : // Needed again as above IFlushCacheWithErrCode()
3409 : // may have call GDALGeoPackageRasterBand::InvalidateStatistics()
3410 : // which modifies metadata
3411 2828 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3412 : }
3413 :
3414 2828 : return eErr;
3415 : }
3416 :
3417 5063 : CPLErr GDALGeoPackageDataset::IFlushCacheWithErrCode(bool bAtClosing)
3418 :
3419 : {
3420 5063 : if (m_bInFlushCache)
3421 2168 : return CE_None;
3422 2895 : m_bInFlushCache = true;
3423 2895 : if (hDB && eAccess == GA_ReadOnly && bAtClosing)
3424 : {
3425 : // Clean-up metadata that will go to PAM by removing items that
3426 : // are reconstructed.
3427 2104 : CPLStringList aosMD;
3428 1675 : for (CSLConstList papszIter = GetMetadata(); papszIter && *papszIter;
3429 : ++papszIter)
3430 : {
3431 623 : char *pszKey = nullptr;
3432 623 : CPLParseNameValue(*papszIter, &pszKey);
3433 1246 : if (pszKey &&
3434 623 : (EQUAL(pszKey, "AREA_OR_POINT") ||
3435 477 : EQUAL(pszKey, "IDENTIFIER") || EQUAL(pszKey, "DESCRIPTION") ||
3436 256 : EQUAL(pszKey, "ZOOM_LEVEL") ||
3437 653 : STARTS_WITH(pszKey, "GPKG_METADATA_ITEM_")))
3438 : {
3439 : // remove it
3440 : }
3441 : else
3442 : {
3443 30 : aosMD.AddString(*papszIter);
3444 : }
3445 623 : CPLFree(pszKey);
3446 : }
3447 1052 : oMDMD.SetMetadata(aosMD.List());
3448 1052 : oMDMD.SetMetadata(nullptr, "IMAGE_STRUCTURE");
3449 :
3450 2104 : GDALPamDataset::FlushCache(bAtClosing);
3451 : }
3452 : else
3453 : {
3454 : // Short circuit GDALPamDataset to avoid serialization to .aux.xml
3455 1843 : GDALDataset::FlushCache(bAtClosing);
3456 : }
3457 :
3458 7054 : for (auto &poLayer : m_apoLayers)
3459 : {
3460 4159 : poLayer->RunDeferredCreationIfNecessary();
3461 4159 : poLayer->CreateSpatialIndexIfNecessary();
3462 : }
3463 :
3464 : // Update raster table last_change column in gpkg_contents if needed
3465 2895 : if (m_bHasModifiedTiles)
3466 : {
3467 540 : for (int i = 1; i <= nBands; ++i)
3468 : {
3469 : auto poBand =
3470 359 : cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(i));
3471 359 : if (!poBand->HaveStatsMetadataBeenSetInThisSession())
3472 : {
3473 346 : poBand->InvalidateStatistics();
3474 346 : if (psPam && psPam->pszPamFilename)
3475 346 : VSIUnlink(psPam->pszPamFilename);
3476 : }
3477 : }
3478 :
3479 181 : UpdateGpkgContentsLastChange(m_osRasterTable);
3480 :
3481 181 : m_bHasModifiedTiles = false;
3482 : }
3483 :
3484 2895 : CPLErr eErr = FlushTiles();
3485 :
3486 2895 : m_bInFlushCache = false;
3487 2895 : return eErr;
3488 : }
3489 :
3490 : /************************************************************************/
3491 : /* GetCurrentDateEscapedSQL() */
3492 : /************************************************************************/
3493 :
3494 2138 : std::string GDALGeoPackageDataset::GetCurrentDateEscapedSQL()
3495 : {
3496 : const char *pszCurrentDate =
3497 2138 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3498 2138 : if (pszCurrentDate)
3499 10 : return '\'' + SQLEscapeLiteral(pszCurrentDate) + '\'';
3500 2133 : return "strftime('%Y-%m-%dT%H:%M:%fZ','now')";
3501 : }
3502 :
3503 : /************************************************************************/
3504 : /* UpdateGpkgContentsLastChange() */
3505 : /************************************************************************/
3506 :
3507 : OGRErr
3508 936 : GDALGeoPackageDataset::UpdateGpkgContentsLastChange(const char *pszTableName)
3509 : {
3510 : char *pszSQL =
3511 936 : sqlite3_mprintf("UPDATE gpkg_contents SET "
3512 : "last_change = %s "
3513 : "WHERE lower(table_name) = lower('%q')",
3514 1872 : GetCurrentDateEscapedSQL().c_str(), pszTableName);
3515 936 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3516 936 : sqlite3_free(pszSQL);
3517 936 : return eErr;
3518 : }
3519 :
3520 : /************************************************************************/
3521 : /* IBuildOverviews() */
3522 : /************************************************************************/
3523 :
3524 20 : CPLErr GDALGeoPackageDataset::IBuildOverviews(
3525 : const char *pszResampling, int nOverviews, const int *panOverviewList,
3526 : int nBandsIn, const int * /*panBandList*/, GDALProgressFunc pfnProgress,
3527 : void *pProgressData, CSLConstList papszOptions)
3528 : {
3529 20 : if (GetAccess() != GA_Update)
3530 : {
3531 1 : CPLError(CE_Failure, CPLE_NotSupported,
3532 : "Overview building not supported on a database opened in "
3533 : "read-only mode");
3534 1 : return CE_Failure;
3535 : }
3536 19 : if (m_poParentDS != nullptr)
3537 : {
3538 1 : CPLError(CE_Failure, CPLE_NotSupported,
3539 : "Overview building not supported on overview dataset");
3540 1 : return CE_Failure;
3541 : }
3542 :
3543 18 : if (nOverviews == 0)
3544 : {
3545 5 : for (auto &poOvrDS : m_apoOverviewDS)
3546 3 : poOvrDS->FlushCache(false);
3547 :
3548 2 : SoftStartTransaction();
3549 :
3550 2 : if (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT)
3551 : {
3552 1 : char *pszSQL = sqlite3_mprintf(
3553 : "DELETE FROM gpkg_2d_gridded_tile_ancillary WHERE id IN "
3554 : "(SELECT y.id FROM \"%w\" x "
3555 : "JOIN gpkg_2d_gridded_tile_ancillary y "
3556 : "ON x.id = y.tpudt_id AND y.tpudt_name = '%q' AND "
3557 : "x.zoom_level < %d)",
3558 : m_osRasterTable.c_str(), m_osRasterTable.c_str(), m_nZoomLevel);
3559 1 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3560 1 : sqlite3_free(pszSQL);
3561 1 : if (eErr != OGRERR_NONE)
3562 : {
3563 0 : SoftRollbackTransaction();
3564 0 : return CE_Failure;
3565 : }
3566 : }
3567 :
3568 : char *pszSQL =
3569 2 : sqlite3_mprintf("DELETE FROM \"%w\" WHERE zoom_level < %d",
3570 : m_osRasterTable.c_str(), m_nZoomLevel);
3571 2 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3572 2 : sqlite3_free(pszSQL);
3573 2 : if (eErr != OGRERR_NONE)
3574 : {
3575 0 : SoftRollbackTransaction();
3576 0 : return CE_Failure;
3577 : }
3578 :
3579 2 : SoftCommitTransaction();
3580 :
3581 2 : return CE_None;
3582 : }
3583 :
3584 16 : if (nBandsIn != nBands)
3585 : {
3586 0 : CPLError(CE_Failure, CPLE_NotSupported,
3587 : "Generation of overviews in GPKG only"
3588 : "supported when operating on all bands.");
3589 0 : return CE_Failure;
3590 : }
3591 :
3592 16 : if (m_apoOverviewDS.empty())
3593 : {
3594 0 : CPLError(CE_Failure, CPLE_AppDefined,
3595 : "Image too small to support overviews");
3596 0 : return CE_Failure;
3597 : }
3598 :
3599 16 : FlushCache(false);
3600 60 : for (int i = 0; i < nOverviews; i++)
3601 : {
3602 47 : if (panOverviewList[i] < 2)
3603 : {
3604 1 : CPLError(CE_Failure, CPLE_IllegalArg,
3605 : "Overview factor must be >= 2");
3606 1 : return CE_Failure;
3607 : }
3608 :
3609 46 : bool bFound = false;
3610 46 : int jCandidate = -1;
3611 46 : int nMaxOvFactor = 0;
3612 196 : for (int j = 0; j < static_cast<int>(m_apoOverviewDS.size()); j++)
3613 : {
3614 190 : const auto poODS = m_apoOverviewDS[j].get();
3615 : const int nOvFactor =
3616 190 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3617 :
3618 190 : nMaxOvFactor = nOvFactor;
3619 :
3620 190 : if (nOvFactor == panOverviewList[i])
3621 : {
3622 40 : bFound = true;
3623 40 : break;
3624 : }
3625 :
3626 150 : if (jCandidate < 0 && nOvFactor > panOverviewList[i])
3627 1 : jCandidate = j;
3628 : }
3629 :
3630 46 : if (!bFound)
3631 : {
3632 : /* Mostly for debug */
3633 6 : if (!CPLTestBool(CPLGetConfigOption(
3634 : "ALLOW_GPKG_ZOOM_OTHER_EXTENSION", "YES")))
3635 : {
3636 2 : CPLString osOvrList;
3637 4 : for (const auto &poODS : m_apoOverviewDS)
3638 : {
3639 : const int nOvFactor =
3640 2 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3641 :
3642 2 : if (!osOvrList.empty())
3643 0 : osOvrList += ' ';
3644 2 : osOvrList += CPLSPrintf("%d", nOvFactor);
3645 : }
3646 2 : CPLError(CE_Failure, CPLE_NotSupported,
3647 : "Only overviews %s can be computed",
3648 : osOvrList.c_str());
3649 2 : return CE_Failure;
3650 : }
3651 : else
3652 : {
3653 4 : int nOvFactor = panOverviewList[i];
3654 4 : if (jCandidate < 0)
3655 3 : jCandidate = static_cast<int>(m_apoOverviewDS.size());
3656 :
3657 4 : int nOvXSize = std::max(1, GetRasterXSize() / nOvFactor);
3658 4 : int nOvYSize = std::max(1, GetRasterYSize() / nOvFactor);
3659 4 : if (!(jCandidate == static_cast<int>(m_apoOverviewDS.size()) &&
3660 5 : nOvFactor == 2 * nMaxOvFactor) &&
3661 1 : !m_bZoomOther)
3662 : {
3663 1 : CPLError(CE_Warning, CPLE_AppDefined,
3664 : "Use of overview factor %d causes gpkg_zoom_other "
3665 : "extension to be needed",
3666 : nOvFactor);
3667 1 : RegisterZoomOtherExtension();
3668 1 : m_bZoomOther = true;
3669 : }
3670 :
3671 4 : SoftStartTransaction();
3672 :
3673 4 : CPLAssert(jCandidate > 0);
3674 : const int nNewZoomLevel =
3675 4 : m_apoOverviewDS[jCandidate - 1]->m_nZoomLevel;
3676 :
3677 : char *pszSQL;
3678 : OGRErr eErr;
3679 24 : for (int k = 0; k <= jCandidate; k++)
3680 : {
3681 60 : pszSQL = sqlite3_mprintf(
3682 : "UPDATE gpkg_tile_matrix SET zoom_level = %d "
3683 : "WHERE lower(table_name) = lower('%q') AND zoom_level "
3684 : "= %d",
3685 20 : m_nZoomLevel - k + 1, m_osRasterTable.c_str(),
3686 20 : m_nZoomLevel - k);
3687 20 : eErr = SQLCommand(hDB, pszSQL);
3688 20 : sqlite3_free(pszSQL);
3689 20 : if (eErr != OGRERR_NONE)
3690 : {
3691 0 : SoftRollbackTransaction();
3692 0 : return CE_Failure;
3693 : }
3694 :
3695 : pszSQL =
3696 20 : sqlite3_mprintf("UPDATE \"%w\" SET zoom_level = %d "
3697 : "WHERE zoom_level = %d",
3698 : m_osRasterTable.c_str(),
3699 20 : m_nZoomLevel - k + 1, m_nZoomLevel - k);
3700 20 : eErr = SQLCommand(hDB, pszSQL);
3701 20 : sqlite3_free(pszSQL);
3702 20 : if (eErr != OGRERR_NONE)
3703 : {
3704 0 : SoftRollbackTransaction();
3705 0 : return CE_Failure;
3706 : }
3707 : }
3708 :
3709 4 : double dfGDALMinX = m_gt[0];
3710 4 : double dfGDALMinY = m_gt[3] + nRasterYSize * m_gt[5];
3711 4 : double dfGDALMaxX = m_gt[0] + nRasterXSize * m_gt[1];
3712 4 : double dfGDALMaxY = m_gt[3];
3713 4 : double dfPixelXSizeZoomLevel = m_gt[1] * nOvFactor;
3714 4 : double dfPixelYSizeZoomLevel = fabs(m_gt[5]) * nOvFactor;
3715 : int nTileWidth, nTileHeight;
3716 4 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3717 4 : int nTileMatrixWidth = DIV_ROUND_UP(nOvXSize, nTileWidth);
3718 4 : int nTileMatrixHeight = DIV_ROUND_UP(nOvYSize, nTileHeight);
3719 4 : pszSQL = sqlite3_mprintf(
3720 : "INSERT INTO gpkg_tile_matrix "
3721 : "(table_name,zoom_level,matrix_width,matrix_height,tile_"
3722 : "width,tile_height,pixel_x_size,pixel_y_size) VALUES "
3723 : "('%q',%d,%d,%d,%d,%d,%.17g,%.17g)",
3724 : m_osRasterTable.c_str(), nNewZoomLevel, nTileMatrixWidth,
3725 : nTileMatrixHeight, nTileWidth, nTileHeight,
3726 : dfPixelXSizeZoomLevel, dfPixelYSizeZoomLevel);
3727 4 : eErr = SQLCommand(hDB, pszSQL);
3728 4 : sqlite3_free(pszSQL);
3729 4 : if (eErr != OGRERR_NONE)
3730 : {
3731 0 : SoftRollbackTransaction();
3732 0 : return CE_Failure;
3733 : }
3734 :
3735 4 : SoftCommitTransaction();
3736 :
3737 4 : m_nZoomLevel++; /* this change our zoom level as well as
3738 : previous overviews */
3739 20 : for (int k = 0; k < jCandidate; k++)
3740 16 : m_apoOverviewDS[k]->m_nZoomLevel++;
3741 :
3742 4 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3743 4 : poOvrDS->ShareLockWithParentDataset(this);
3744 4 : poOvrDS->InitRaster(
3745 : this, m_osRasterTable, nNewZoomLevel, nBands, m_dfTMSMinX,
3746 : m_dfTMSMaxY, dfPixelXSizeZoomLevel, dfPixelYSizeZoomLevel,
3747 : nTileWidth, nTileHeight, nTileMatrixWidth,
3748 : nTileMatrixHeight, dfGDALMinX, dfGDALMinY, dfGDALMaxX,
3749 : dfGDALMaxY);
3750 4 : m_apoOverviewDS.insert(m_apoOverviewDS.begin() + jCandidate,
3751 8 : std::move(poOvrDS));
3752 : }
3753 : }
3754 : }
3755 :
3756 : GDALRasterBand ***papapoOverviewBands = static_cast<GDALRasterBand ***>(
3757 13 : CPLCalloc(sizeof(GDALRasterBand **), nBands));
3758 13 : CPLErr eErr = CE_None;
3759 49 : for (int iBand = 0; eErr == CE_None && iBand < nBands; iBand++)
3760 : {
3761 72 : papapoOverviewBands[iBand] = static_cast<GDALRasterBand **>(
3762 36 : CPLCalloc(sizeof(GDALRasterBand *), nOverviews));
3763 36 : int iCurOverview = 0;
3764 185 : for (int i = 0; i < nOverviews; i++)
3765 : {
3766 149 : bool bFound = false;
3767 724 : for (const auto &poODS : m_apoOverviewDS)
3768 : {
3769 : const int nOvFactor =
3770 724 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3771 :
3772 724 : if (nOvFactor == panOverviewList[i])
3773 : {
3774 298 : papapoOverviewBands[iBand][iCurOverview] =
3775 149 : poODS->GetRasterBand(iBand + 1);
3776 149 : iCurOverview++;
3777 149 : bFound = true;
3778 149 : break;
3779 : }
3780 : }
3781 149 : if (!bFound)
3782 : {
3783 0 : CPLError(CE_Failure, CPLE_AppDefined,
3784 : "Could not find dataset corresponding to ov factor %d",
3785 0 : panOverviewList[i]);
3786 0 : eErr = CE_Failure;
3787 : }
3788 : }
3789 36 : if (eErr == CE_None)
3790 : {
3791 36 : CPLAssert(iCurOverview == nOverviews);
3792 : }
3793 : }
3794 :
3795 13 : if (eErr == CE_None)
3796 13 : eErr = GDALRegenerateOverviewsMultiBand(
3797 13 : nBands, papoBands, nOverviews, papapoOverviewBands, pszResampling,
3798 : pfnProgress, pProgressData, papszOptions);
3799 :
3800 49 : for (int iBand = 0; iBand < nBands; iBand++)
3801 : {
3802 36 : CPLFree(papapoOverviewBands[iBand]);
3803 : }
3804 13 : CPLFree(papapoOverviewBands);
3805 :
3806 13 : return eErr;
3807 : }
3808 :
3809 : /************************************************************************/
3810 : /* GetFileList() */
3811 : /************************************************************************/
3812 :
3813 38 : char **GDALGeoPackageDataset::GetFileList()
3814 : {
3815 38 : TryLoadXML();
3816 38 : return GDALPamDataset::GetFileList();
3817 : }
3818 :
3819 : /************************************************************************/
3820 : /* GetMetadataDomainList() */
3821 : /************************************************************************/
3822 :
3823 47 : char **GDALGeoPackageDataset::GetMetadataDomainList()
3824 : {
3825 47 : GetMetadata();
3826 47 : if (!m_osRasterTable.empty())
3827 5 : GetMetadata("GEOPACKAGE");
3828 47 : return BuildMetadataDomainList(GDALPamDataset::GetMetadataDomainList(),
3829 47 : TRUE, "SUBDATASETS", nullptr);
3830 : }
3831 :
3832 : /************************************************************************/
3833 : /* CheckMetadataDomain() */
3834 : /************************************************************************/
3835 :
3836 6002 : const char *GDALGeoPackageDataset::CheckMetadataDomain(const char *pszDomain)
3837 : {
3838 6187 : if (pszDomain != nullptr && EQUAL(pszDomain, "GEOPACKAGE") &&
3839 185 : m_osRasterTable.empty())
3840 : {
3841 4 : CPLError(
3842 : CE_Warning, CPLE_IllegalArg,
3843 : "Using GEOPACKAGE for a non-raster geopackage is not supported. "
3844 : "Using default domain instead");
3845 4 : return nullptr;
3846 : }
3847 5998 : return pszDomain;
3848 : }
3849 :
3850 : /************************************************************************/
3851 : /* HasMetadataTables() */
3852 : /************************************************************************/
3853 :
3854 5700 : bool GDALGeoPackageDataset::HasMetadataTables() const
3855 : {
3856 5700 : if (m_nHasMetadataTables < 0)
3857 : {
3858 : const int nCount =
3859 2177 : SQLGetInteger(hDB,
3860 : "SELECT COUNT(*) FROM sqlite_master WHERE name IN "
3861 : "('gpkg_metadata', 'gpkg_metadata_reference') "
3862 : "AND type IN ('table', 'view')",
3863 : nullptr);
3864 2177 : m_nHasMetadataTables = nCount == 2;
3865 : }
3866 5700 : return CPL_TO_BOOL(m_nHasMetadataTables);
3867 : }
3868 :
3869 : /************************************************************************/
3870 : /* HasDataColumnsTable() */
3871 : /************************************************************************/
3872 :
3873 1276 : bool GDALGeoPackageDataset::HasDataColumnsTable() const
3874 : {
3875 2552 : const int nCount = SQLGetInteger(
3876 1276 : hDB,
3877 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_data_columns'"
3878 : "AND type IN ('table', 'view')",
3879 : nullptr);
3880 1276 : return nCount == 1;
3881 : }
3882 :
3883 : /************************************************************************/
3884 : /* HasDataColumnConstraintsTable() */
3885 : /************************************************************************/
3886 :
3887 157 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTable() const
3888 : {
3889 157 : const int nCount = SQLGetInteger(hDB,
3890 : "SELECT 1 FROM sqlite_master WHERE name = "
3891 : "'gpkg_data_column_constraints'"
3892 : "AND type IN ('table', 'view')",
3893 : nullptr);
3894 157 : return nCount == 1;
3895 : }
3896 :
3897 : /************************************************************************/
3898 : /* HasDataColumnConstraintsTableGPKG_1_0() */
3899 : /************************************************************************/
3900 :
3901 109 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTableGPKG_1_0() const
3902 : {
3903 109 : if (m_nApplicationId != GP10_APPLICATION_ID)
3904 107 : return false;
3905 : // In GPKG 1.0, the columns were named minIsInclusive, maxIsInclusive
3906 : // They were changed in 1.1 to min_is_inclusive, max_is_inclusive
3907 2 : bool bRet = false;
3908 2 : sqlite3_stmt *hSQLStmt = nullptr;
3909 2 : int rc = sqlite3_prepare_v2(hDB,
3910 : "SELECT minIsInclusive, maxIsInclusive FROM "
3911 : "gpkg_data_column_constraints",
3912 : -1, &hSQLStmt, nullptr);
3913 2 : if (rc == SQLITE_OK)
3914 : {
3915 2 : bRet = true;
3916 2 : sqlite3_finalize(hSQLStmt);
3917 : }
3918 2 : return bRet;
3919 : }
3920 :
3921 : /************************************************************************/
3922 : /* CreateColumnsTableAndColumnConstraintsTablesIfNecessary() */
3923 : /************************************************************************/
3924 :
3925 50 : bool GDALGeoPackageDataset::
3926 : CreateColumnsTableAndColumnConstraintsTablesIfNecessary()
3927 : {
3928 50 : if (!HasDataColumnsTable())
3929 : {
3930 : // Geopackage < 1.3 had
3931 : // CONSTRAINT fk_gdc_tn FOREIGN KEY (table_name) REFERENCES
3932 : // gpkg_contents(table_name) instead of the unique constraint.
3933 10 : if (OGRERR_NONE !=
3934 10 : SQLCommand(
3935 : GetDB(),
3936 : "CREATE TABLE gpkg_data_columns ("
3937 : "table_name TEXT NOT NULL,"
3938 : "column_name TEXT NOT NULL,"
3939 : "name TEXT,"
3940 : "title TEXT,"
3941 : "description TEXT,"
3942 : "mime_type TEXT,"
3943 : "constraint_name TEXT,"
3944 : "CONSTRAINT pk_gdc PRIMARY KEY (table_name, column_name),"
3945 : "CONSTRAINT gdc_tn UNIQUE (table_name, name));"))
3946 : {
3947 0 : return false;
3948 : }
3949 : }
3950 50 : if (!HasDataColumnConstraintsTable())
3951 : {
3952 22 : const char *min_is_inclusive = m_nApplicationId != GP10_APPLICATION_ID
3953 11 : ? "min_is_inclusive"
3954 : : "minIsInclusive";
3955 22 : const char *max_is_inclusive = m_nApplicationId != GP10_APPLICATION_ID
3956 11 : ? "max_is_inclusive"
3957 : : "maxIsInclusive";
3958 :
3959 : const std::string osSQL(
3960 : CPLSPrintf("CREATE TABLE gpkg_data_column_constraints ("
3961 : "constraint_name TEXT NOT NULL,"
3962 : "constraint_type TEXT NOT NULL,"
3963 : "value TEXT,"
3964 : "min NUMERIC,"
3965 : "%s BOOLEAN,"
3966 : "max NUMERIC,"
3967 : "%s BOOLEAN,"
3968 : "description TEXT,"
3969 : "CONSTRAINT gdcc_ntv UNIQUE (constraint_name, "
3970 : "constraint_type, value));",
3971 11 : min_is_inclusive, max_is_inclusive));
3972 11 : if (OGRERR_NONE != SQLCommand(GetDB(), osSQL.c_str()))
3973 : {
3974 0 : return false;
3975 : }
3976 : }
3977 50 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
3978 : {
3979 0 : return false;
3980 : }
3981 50 : if (SQLGetInteger(GetDB(),
3982 : "SELECT 1 FROM gpkg_extensions WHERE "
3983 : "table_name = 'gpkg_data_columns'",
3984 50 : nullptr) != 1)
3985 : {
3986 11 : if (OGRERR_NONE !=
3987 11 : SQLCommand(
3988 : GetDB(),
3989 : "INSERT INTO gpkg_extensions "
3990 : "(table_name,column_name,extension_name,definition,scope) "
3991 : "VALUES ('gpkg_data_columns', NULL, 'gpkg_schema', "
3992 : "'http://www.geopackage.org/spec121/#extension_schema', "
3993 : "'read-write')"))
3994 : {
3995 0 : return false;
3996 : }
3997 : }
3998 50 : if (SQLGetInteger(GetDB(),
3999 : "SELECT 1 FROM gpkg_extensions WHERE "
4000 : "table_name = 'gpkg_data_column_constraints'",
4001 50 : nullptr) != 1)
4002 : {
4003 11 : if (OGRERR_NONE !=
4004 11 : SQLCommand(
4005 : GetDB(),
4006 : "INSERT INTO gpkg_extensions "
4007 : "(table_name,column_name,extension_name,definition,scope) "
4008 : "VALUES ('gpkg_data_column_constraints', NULL, 'gpkg_schema', "
4009 : "'http://www.geopackage.org/spec121/#extension_schema', "
4010 : "'read-write')"))
4011 : {
4012 0 : return false;
4013 : }
4014 : }
4015 :
4016 50 : return true;
4017 : }
4018 :
4019 : /************************************************************************/
4020 : /* HasGpkgextRelationsTable() */
4021 : /************************************************************************/
4022 :
4023 1270 : bool GDALGeoPackageDataset::HasGpkgextRelationsTable() const
4024 : {
4025 2540 : const int nCount = SQLGetInteger(
4026 1270 : hDB,
4027 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkgext_relations'"
4028 : "AND type IN ('table', 'view')",
4029 : nullptr);
4030 1270 : return nCount == 1;
4031 : }
4032 :
4033 : /************************************************************************/
4034 : /* CreateRelationsTableIfNecessary() */
4035 : /************************************************************************/
4036 :
4037 9 : bool GDALGeoPackageDataset::CreateRelationsTableIfNecessary()
4038 : {
4039 9 : if (HasGpkgextRelationsTable())
4040 : {
4041 5 : return true;
4042 : }
4043 :
4044 4 : if (OGRERR_NONE !=
4045 4 : SQLCommand(GetDB(), "CREATE TABLE gpkgext_relations ("
4046 : "id INTEGER PRIMARY KEY AUTOINCREMENT,"
4047 : "base_table_name TEXT NOT NULL,"
4048 : "base_primary_column TEXT NOT NULL DEFAULT 'id',"
4049 : "related_table_name TEXT NOT NULL,"
4050 : "related_primary_column TEXT NOT NULL DEFAULT 'id',"
4051 : "relation_name TEXT NOT NULL,"
4052 : "mapping_table_name TEXT NOT NULL UNIQUE);"))
4053 : {
4054 0 : return false;
4055 : }
4056 :
4057 4 : return true;
4058 : }
4059 :
4060 : /************************************************************************/
4061 : /* HasQGISLayerStyles() */
4062 : /************************************************************************/
4063 :
4064 11 : bool GDALGeoPackageDataset::HasQGISLayerStyles() const
4065 : {
4066 : // QGIS layer_styles extension:
4067 : // https://github.com/pka/qgpkg/blob/master/qgis_geopackage_extension.md
4068 11 : bool bRet = false;
4069 : const int nCount =
4070 11 : SQLGetInteger(hDB,
4071 : "SELECT 1 FROM sqlite_master WHERE name = 'layer_styles'"
4072 : "AND type = 'table'",
4073 : nullptr);
4074 11 : if (nCount == 1)
4075 : {
4076 1 : sqlite3_stmt *hSQLStmt = nullptr;
4077 2 : int rc = sqlite3_prepare_v2(
4078 1 : hDB, "SELECT f_table_name, f_geometry_column FROM layer_styles", -1,
4079 : &hSQLStmt, nullptr);
4080 1 : if (rc == SQLITE_OK)
4081 : {
4082 1 : bRet = true;
4083 1 : sqlite3_finalize(hSQLStmt);
4084 : }
4085 : }
4086 11 : return bRet;
4087 : }
4088 :
4089 : /************************************************************************/
4090 : /* GetMetadata() */
4091 : /************************************************************************/
4092 :
4093 3940 : char **GDALGeoPackageDataset::GetMetadata(const char *pszDomain)
4094 :
4095 : {
4096 3940 : pszDomain = CheckMetadataDomain(pszDomain);
4097 3940 : if (pszDomain != nullptr && EQUAL(pszDomain, "SUBDATASETS"))
4098 66 : return m_aosSubDatasets.List();
4099 :
4100 3874 : if (m_bHasReadMetadataFromStorage)
4101 1764 : return GDALPamDataset::GetMetadata(pszDomain);
4102 :
4103 2110 : m_bHasReadMetadataFromStorage = true;
4104 :
4105 2110 : TryLoadXML();
4106 :
4107 2110 : if (!HasMetadataTables())
4108 1598 : return GDALPamDataset::GetMetadata(pszDomain);
4109 :
4110 512 : char *pszSQL = nullptr;
4111 512 : if (!m_osRasterTable.empty())
4112 : {
4113 170 : pszSQL = sqlite3_mprintf(
4114 : "SELECT md.metadata, md.md_standard_uri, md.mime_type, "
4115 : "mdr.reference_scope FROM gpkg_metadata md "
4116 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4117 : "WHERE "
4118 : "(mdr.reference_scope = 'geopackage' OR "
4119 : "(mdr.reference_scope = 'table' AND lower(mdr.table_name) = "
4120 : "lower('%q'))) ORDER BY md.id "
4121 : "LIMIT 1000", // to avoid denial of service
4122 : m_osRasterTable.c_str());
4123 : }
4124 : else
4125 : {
4126 342 : pszSQL = sqlite3_mprintf(
4127 : "SELECT md.metadata, md.md_standard_uri, md.mime_type, "
4128 : "mdr.reference_scope FROM gpkg_metadata md "
4129 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4130 : "WHERE "
4131 : "mdr.reference_scope = 'geopackage' ORDER BY md.id "
4132 : "LIMIT 1000" // to avoid denial of service
4133 : );
4134 : }
4135 :
4136 1024 : auto oResult = SQLQuery(hDB, pszSQL);
4137 512 : sqlite3_free(pszSQL);
4138 512 : if (!oResult)
4139 : {
4140 0 : return GDALPamDataset::GetMetadata(pszDomain);
4141 : }
4142 :
4143 512 : char **papszMetadata = CSLDuplicate(GDALPamDataset::GetMetadata());
4144 :
4145 : /* GDAL metadata */
4146 702 : for (int i = 0; i < oResult->RowCount(); i++)
4147 : {
4148 190 : const char *pszMetadata = oResult->GetValue(0, i);
4149 190 : const char *pszMDStandardURI = oResult->GetValue(1, i);
4150 190 : const char *pszMimeType = oResult->GetValue(2, i);
4151 190 : const char *pszReferenceScope = oResult->GetValue(3, i);
4152 190 : if (pszMetadata && pszMDStandardURI && pszMimeType &&
4153 190 : pszReferenceScope && EQUAL(pszMDStandardURI, "http://gdal.org") &&
4154 174 : EQUAL(pszMimeType, "text/xml"))
4155 : {
4156 174 : CPLXMLNode *psXMLNode = CPLParseXMLString(pszMetadata);
4157 174 : if (psXMLNode)
4158 : {
4159 348 : GDALMultiDomainMetadata oLocalMDMD;
4160 174 : oLocalMDMD.XMLInit(psXMLNode, FALSE);
4161 333 : if (!m_osRasterTable.empty() &&
4162 159 : EQUAL(pszReferenceScope, "geopackage"))
4163 : {
4164 6 : oMDMD.SetMetadata(oLocalMDMD.GetMetadata(), "GEOPACKAGE");
4165 : }
4166 : else
4167 : {
4168 : papszMetadata =
4169 168 : CSLMerge(papszMetadata, oLocalMDMD.GetMetadata());
4170 168 : CSLConstList papszDomainList = oLocalMDMD.GetDomainList();
4171 168 : CSLConstList papszIter = papszDomainList;
4172 447 : while (papszIter && *papszIter)
4173 : {
4174 279 : if (EQUAL(*papszIter, "IMAGE_STRUCTURE"))
4175 : {
4176 : CSLConstList papszMD =
4177 126 : oLocalMDMD.GetMetadata(*papszIter);
4178 : const char *pszBAND_COUNT =
4179 126 : CSLFetchNameValue(papszMD, "BAND_COUNT");
4180 126 : if (pszBAND_COUNT)
4181 124 : m_nBandCountFromMetadata = atoi(pszBAND_COUNT);
4182 :
4183 : const char *pszCOLOR_TABLE =
4184 126 : CSLFetchNameValue(papszMD, "COLOR_TABLE");
4185 126 : if (pszCOLOR_TABLE)
4186 : {
4187 : const CPLStringList aosTokens(
4188 : CSLTokenizeString2(pszCOLOR_TABLE, "{,",
4189 26 : 0));
4190 13 : if ((aosTokens.size() % 4) == 0)
4191 : {
4192 13 : const int nColors = aosTokens.size() / 4;
4193 : m_poCTFromMetadata =
4194 13 : std::make_unique<GDALColorTable>();
4195 3341 : for (int iColor = 0; iColor < nColors;
4196 : ++iColor)
4197 : {
4198 : GDALColorEntry sEntry;
4199 3328 : sEntry.c1 = static_cast<short>(
4200 3328 : atoi(aosTokens[4 * iColor + 0]));
4201 3328 : sEntry.c2 = static_cast<short>(
4202 3328 : atoi(aosTokens[4 * iColor + 1]));
4203 3328 : sEntry.c3 = static_cast<short>(
4204 3328 : atoi(aosTokens[4 * iColor + 2]));
4205 3328 : sEntry.c4 = static_cast<short>(
4206 3328 : atoi(aosTokens[4 * iColor + 3]));
4207 3328 : m_poCTFromMetadata->SetColorEntry(
4208 : iColor, &sEntry);
4209 : }
4210 : }
4211 : }
4212 :
4213 : const char *pszTILE_FORMAT =
4214 126 : CSLFetchNameValue(papszMD, "TILE_FORMAT");
4215 126 : if (pszTILE_FORMAT)
4216 : {
4217 8 : m_osTFFromMetadata = pszTILE_FORMAT;
4218 8 : oMDMD.SetMetadataItem("TILE_FORMAT",
4219 : pszTILE_FORMAT,
4220 : "IMAGE_STRUCTURE");
4221 : }
4222 :
4223 : const char *pszNodataValue =
4224 126 : CSLFetchNameValue(papszMD, "NODATA_VALUE");
4225 126 : if (pszNodataValue)
4226 : {
4227 2 : m_osNodataValueFromMetadata = pszNodataValue;
4228 : }
4229 : }
4230 :
4231 153 : else if (!EQUAL(*papszIter, "") &&
4232 16 : !STARTS_WITH(*papszIter, "BAND_"))
4233 : {
4234 12 : oMDMD.SetMetadata(
4235 6 : oLocalMDMD.GetMetadata(*papszIter), *papszIter);
4236 : }
4237 279 : papszIter++;
4238 : }
4239 : }
4240 174 : CPLDestroyXMLNode(psXMLNode);
4241 : }
4242 : }
4243 : }
4244 :
4245 512 : GDALPamDataset::SetMetadata(papszMetadata);
4246 512 : CSLDestroy(papszMetadata);
4247 512 : papszMetadata = nullptr;
4248 :
4249 : /* Add non-GDAL metadata now */
4250 512 : int nNonGDALMDILocal = 1;
4251 512 : int nNonGDALMDIGeopackage = 1;
4252 702 : for (int i = 0; i < oResult->RowCount(); i++)
4253 : {
4254 190 : const char *pszMetadata = oResult->GetValue(0, i);
4255 190 : const char *pszMDStandardURI = oResult->GetValue(1, i);
4256 190 : const char *pszMimeType = oResult->GetValue(2, i);
4257 190 : const char *pszReferenceScope = oResult->GetValue(3, i);
4258 190 : if (pszMetadata == nullptr || pszMDStandardURI == nullptr ||
4259 190 : pszMimeType == nullptr || pszReferenceScope == nullptr)
4260 : {
4261 : // should not happen as there are NOT NULL constraints
4262 : // But a database could lack such NOT NULL constraints or have
4263 : // large values that would cause a memory allocation failure.
4264 0 : continue;
4265 : }
4266 190 : int bIsGPKGScope = EQUAL(pszReferenceScope, "geopackage");
4267 190 : if (EQUAL(pszMDStandardURI, "http://gdal.org") &&
4268 174 : EQUAL(pszMimeType, "text/xml"))
4269 174 : continue;
4270 :
4271 16 : if (!m_osRasterTable.empty() && bIsGPKGScope)
4272 : {
4273 8 : oMDMD.SetMetadataItem(
4274 : CPLSPrintf("GPKG_METADATA_ITEM_%d", nNonGDALMDIGeopackage),
4275 : pszMetadata, "GEOPACKAGE");
4276 8 : nNonGDALMDIGeopackage++;
4277 : }
4278 : /*else if( strcmp( pszMDStandardURI, "http://www.isotc211.org/2005/gmd"
4279 : ) == 0 && strcmp( pszMimeType, "text/xml" ) == 0 )
4280 : {
4281 : char* apszMD[2];
4282 : apszMD[0] = (char*)pszMetadata;
4283 : apszMD[1] = NULL;
4284 : oMDMD.SetMetadata(apszMD, "xml:MD_Metadata");
4285 : }*/
4286 : else
4287 : {
4288 8 : oMDMD.SetMetadataItem(
4289 : CPLSPrintf("GPKG_METADATA_ITEM_%d", nNonGDALMDILocal),
4290 : pszMetadata);
4291 8 : nNonGDALMDILocal++;
4292 : }
4293 : }
4294 :
4295 512 : return GDALPamDataset::GetMetadata(pszDomain);
4296 : }
4297 :
4298 : /************************************************************************/
4299 : /* WriteMetadata() */
4300 : /************************************************************************/
4301 :
4302 732 : void GDALGeoPackageDataset::WriteMetadata(
4303 : CPLXMLNode *psXMLNode, /* will be destroyed by the method */
4304 : const char *pszTableName)
4305 : {
4306 732 : const bool bIsEmpty = (psXMLNode == nullptr);
4307 732 : if (!HasMetadataTables())
4308 : {
4309 532 : if (bIsEmpty || !CreateMetadataTables())
4310 : {
4311 243 : CPLDestroyXMLNode(psXMLNode);
4312 243 : return;
4313 : }
4314 : }
4315 :
4316 489 : char *pszXML = nullptr;
4317 489 : if (!bIsEmpty)
4318 : {
4319 : CPLXMLNode *psMasterXMLNode =
4320 336 : CPLCreateXMLNode(nullptr, CXT_Element, "GDALMultiDomainMetadata");
4321 336 : psMasterXMLNode->psChild = psXMLNode;
4322 336 : pszXML = CPLSerializeXMLTree(psMasterXMLNode);
4323 336 : CPLDestroyXMLNode(psMasterXMLNode);
4324 : }
4325 : // cppcheck-suppress uselessAssignmentPtrArg
4326 489 : psXMLNode = nullptr;
4327 :
4328 489 : char *pszSQL = nullptr;
4329 489 : if (pszTableName && pszTableName[0] != '\0')
4330 : {
4331 344 : pszSQL = sqlite3_mprintf(
4332 : "SELECT md.id FROM gpkg_metadata md "
4333 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4334 : "WHERE md.md_scope = 'dataset' AND "
4335 : "md.md_standard_uri='http://gdal.org' "
4336 : "AND md.mime_type='text/xml' AND mdr.reference_scope = 'table' AND "
4337 : "lower(mdr.table_name) = lower('%q')",
4338 : pszTableName);
4339 : }
4340 : else
4341 : {
4342 145 : pszSQL = sqlite3_mprintf(
4343 : "SELECT md.id FROM gpkg_metadata md "
4344 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4345 : "WHERE md.md_scope = 'dataset' AND "
4346 : "md.md_standard_uri='http://gdal.org' "
4347 : "AND md.mime_type='text/xml' AND mdr.reference_scope = "
4348 : "'geopackage'");
4349 : }
4350 : OGRErr err;
4351 489 : int mdId = SQLGetInteger(hDB, pszSQL, &err);
4352 489 : if (err != OGRERR_NONE)
4353 457 : mdId = -1;
4354 489 : sqlite3_free(pszSQL);
4355 :
4356 489 : if (bIsEmpty)
4357 : {
4358 153 : if (mdId >= 0)
4359 : {
4360 6 : SQLCommand(
4361 : hDB,
4362 : CPLSPrintf(
4363 : "DELETE FROM gpkg_metadata_reference WHERE md_file_id = %d",
4364 : mdId));
4365 6 : SQLCommand(
4366 : hDB,
4367 : CPLSPrintf("DELETE FROM gpkg_metadata WHERE id = %d", mdId));
4368 : }
4369 : }
4370 : else
4371 : {
4372 336 : if (mdId >= 0)
4373 : {
4374 26 : pszSQL = sqlite3_mprintf(
4375 : "UPDATE gpkg_metadata SET metadata = '%q' WHERE id = %d",
4376 : pszXML, mdId);
4377 : }
4378 : else
4379 : {
4380 : pszSQL =
4381 310 : sqlite3_mprintf("INSERT INTO gpkg_metadata (md_scope, "
4382 : "md_standard_uri, mime_type, metadata) VALUES "
4383 : "('dataset','http://gdal.org','text/xml','%q')",
4384 : pszXML);
4385 : }
4386 336 : SQLCommand(hDB, pszSQL);
4387 336 : sqlite3_free(pszSQL);
4388 :
4389 336 : CPLFree(pszXML);
4390 :
4391 336 : if (mdId < 0)
4392 : {
4393 310 : const sqlite_int64 nFID = sqlite3_last_insert_rowid(hDB);
4394 310 : if (pszTableName != nullptr && pszTableName[0] != '\0')
4395 : {
4396 298 : pszSQL = sqlite3_mprintf(
4397 : "INSERT INTO gpkg_metadata_reference (reference_scope, "
4398 : "table_name, timestamp, md_file_id) VALUES "
4399 : "('table', '%q', %s, %d)",
4400 596 : pszTableName, GetCurrentDateEscapedSQL().c_str(),
4401 : static_cast<int>(nFID));
4402 : }
4403 : else
4404 : {
4405 12 : pszSQL = sqlite3_mprintf(
4406 : "INSERT INTO gpkg_metadata_reference (reference_scope, "
4407 : "timestamp, md_file_id) VALUES "
4408 : "('geopackage', %s, %d)",
4409 24 : GetCurrentDateEscapedSQL().c_str(), static_cast<int>(nFID));
4410 : }
4411 : }
4412 : else
4413 : {
4414 26 : pszSQL = sqlite3_mprintf("UPDATE gpkg_metadata_reference SET "
4415 : "timestamp = %s WHERE md_file_id = %d",
4416 52 : GetCurrentDateEscapedSQL().c_str(), mdId);
4417 : }
4418 336 : SQLCommand(hDB, pszSQL);
4419 336 : sqlite3_free(pszSQL);
4420 : }
4421 : }
4422 :
4423 : /************************************************************************/
4424 : /* CreateMetadataTables() */
4425 : /************************************************************************/
4426 :
4427 308 : bool GDALGeoPackageDataset::CreateMetadataTables()
4428 : {
4429 : const bool bCreateTriggers =
4430 308 : CPLTestBool(CPLGetConfigOption("CREATE_TRIGGERS", "NO"));
4431 :
4432 : /* From C.10. gpkg_metadata Table 35. gpkg_metadata Table Definition SQL */
4433 : CPLString osSQL = "CREATE TABLE gpkg_metadata ("
4434 : "id INTEGER CONSTRAINT m_pk PRIMARY KEY ASC NOT NULL,"
4435 : "md_scope TEXT NOT NULL DEFAULT 'dataset',"
4436 : "md_standard_uri TEXT NOT NULL,"
4437 : "mime_type TEXT NOT NULL DEFAULT 'text/xml',"
4438 : "metadata TEXT NOT NULL DEFAULT ''"
4439 616 : ")";
4440 :
4441 : /* From D.2. metadata Table 40. metadata Trigger Definition SQL */
4442 308 : const char *pszMetadataTriggers =
4443 : "CREATE TRIGGER 'gpkg_metadata_md_scope_insert' "
4444 : "BEFORE INSERT ON 'gpkg_metadata' "
4445 : "FOR EACH ROW BEGIN "
4446 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata violates "
4447 : "constraint: md_scope must be one of undefined | fieldSession | "
4448 : "collectionSession | series | dataset | featureType | feature | "
4449 : "attributeType | attribute | tile | model | catalogue | schema | "
4450 : "taxonomy software | service | collectionHardware | "
4451 : "nonGeographicDataset | dimensionGroup') "
4452 : "WHERE NOT(NEW.md_scope IN "
4453 : "('undefined','fieldSession','collectionSession','series','dataset', "
4454 : "'featureType','feature','attributeType','attribute','tile','model', "
4455 : "'catalogue','schema','taxonomy','software','service', "
4456 : "'collectionHardware','nonGeographicDataset','dimensionGroup')); "
4457 : "END; "
4458 : "CREATE TRIGGER 'gpkg_metadata_md_scope_update' "
4459 : "BEFORE UPDATE OF 'md_scope' ON 'gpkg_metadata' "
4460 : "FOR EACH ROW BEGIN "
4461 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata violates "
4462 : "constraint: md_scope must be one of undefined | fieldSession | "
4463 : "collectionSession | series | dataset | featureType | feature | "
4464 : "attributeType | attribute | tile | model | catalogue | schema | "
4465 : "taxonomy software | service | collectionHardware | "
4466 : "nonGeographicDataset | dimensionGroup') "
4467 : "WHERE NOT(NEW.md_scope IN "
4468 : "('undefined','fieldSession','collectionSession','series','dataset', "
4469 : "'featureType','feature','attributeType','attribute','tile','model', "
4470 : "'catalogue','schema','taxonomy','software','service', "
4471 : "'collectionHardware','nonGeographicDataset','dimensionGroup')); "
4472 : "END";
4473 308 : if (bCreateTriggers)
4474 : {
4475 0 : osSQL += ";";
4476 0 : osSQL += pszMetadataTriggers;
4477 : }
4478 :
4479 : /* From C.11. gpkg_metadata_reference Table 36. gpkg_metadata_reference
4480 : * Table Definition SQL */
4481 : osSQL += ";"
4482 : "CREATE TABLE gpkg_metadata_reference ("
4483 : "reference_scope TEXT NOT NULL,"
4484 : "table_name TEXT,"
4485 : "column_name TEXT,"
4486 : "row_id_value INTEGER,"
4487 : "timestamp DATETIME NOT NULL DEFAULT "
4488 : "(strftime('%Y-%m-%dT%H:%M:%fZ','now')),"
4489 : "md_file_id INTEGER NOT NULL,"
4490 : "md_parent_id INTEGER,"
4491 : "CONSTRAINT crmr_mfi_fk FOREIGN KEY (md_file_id) REFERENCES "
4492 : "gpkg_metadata(id),"
4493 : "CONSTRAINT crmr_mpi_fk FOREIGN KEY (md_parent_id) REFERENCES "
4494 : "gpkg_metadata(id)"
4495 308 : ")";
4496 :
4497 : /* From D.3. metadata_reference Table 41. gpkg_metadata_reference Trigger
4498 : * Definition SQL */
4499 308 : const char *pszMetadataReferenceTriggers =
4500 : "CREATE TRIGGER 'gpkg_metadata_reference_reference_scope_insert' "
4501 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4502 : "FOR EACH ROW BEGIN "
4503 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4504 : "violates constraint: reference_scope must be one of \"geopackage\", "
4505 : "table\", \"column\", \"row\", \"row/col\"') "
4506 : "WHERE NOT NEW.reference_scope IN "
4507 : "('geopackage','table','column','row','row/col'); "
4508 : "END; "
4509 : "CREATE TRIGGER 'gpkg_metadata_reference_reference_scope_update' "
4510 : "BEFORE UPDATE OF 'reference_scope' ON 'gpkg_metadata_reference' "
4511 : "FOR EACH ROW BEGIN "
4512 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4513 : "violates constraint: reference_scope must be one of \"geopackage\", "
4514 : "\"table\", \"column\", \"row\", \"row/col\"') "
4515 : "WHERE NOT NEW.reference_scope IN "
4516 : "('geopackage','table','column','row','row/col'); "
4517 : "END; "
4518 : "CREATE TRIGGER 'gpkg_metadata_reference_column_name_insert' "
4519 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4520 : "FOR EACH ROW BEGIN "
4521 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4522 : "violates constraint: column name must be NULL when reference_scope "
4523 : "is \"geopackage\", \"table\" or \"row\"') "
4524 : "WHERE (NEW.reference_scope IN ('geopackage','table','row') "
4525 : "AND NEW.column_name IS NOT NULL); "
4526 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4527 : "violates constraint: column name must be defined for the specified "
4528 : "table when reference_scope is \"column\" or \"row/col\"') "
4529 : "WHERE (NEW.reference_scope IN ('column','row/col') "
4530 : "AND NOT NEW.table_name IN ( "
4531 : "SELECT name FROM SQLITE_MASTER WHERE type = 'table' "
4532 : "AND name = NEW.table_name "
4533 : "AND sql LIKE ('%' || NEW.column_name || '%'))); "
4534 : "END; "
4535 : "CREATE TRIGGER 'gpkg_metadata_reference_column_name_update' "
4536 : "BEFORE UPDATE OF column_name ON 'gpkg_metadata_reference' "
4537 : "FOR EACH ROW BEGIN "
4538 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4539 : "violates constraint: column name must be NULL when reference_scope "
4540 : "is \"geopackage\", \"table\" or \"row\"') "
4541 : "WHERE (NEW.reference_scope IN ('geopackage','table','row') "
4542 : "AND NEW.column_name IS NOT NULL); "
4543 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4544 : "violates constraint: column name must be defined for the specified "
4545 : "table when reference_scope is \"column\" or \"row/col\"') "
4546 : "WHERE (NEW.reference_scope IN ('column','row/col') "
4547 : "AND NOT NEW.table_name IN ( "
4548 : "SELECT name FROM SQLITE_MASTER WHERE type = 'table' "
4549 : "AND name = NEW.table_name "
4550 : "AND sql LIKE ('%' || NEW.column_name || '%'))); "
4551 : "END; "
4552 : "CREATE TRIGGER 'gpkg_metadata_reference_row_id_value_insert' "
4553 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4554 : "FOR EACH ROW BEGIN "
4555 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4556 : "violates constraint: row_id_value must be NULL when reference_scope "
4557 : "is \"geopackage\", \"table\" or \"column\"') "
4558 : "WHERE NEW.reference_scope IN ('geopackage','table','column') "
4559 : "AND NEW.row_id_value IS NOT NULL; "
4560 : "END; "
4561 : "CREATE TRIGGER 'gpkg_metadata_reference_row_id_value_update' "
4562 : "BEFORE UPDATE OF 'row_id_value' ON 'gpkg_metadata_reference' "
4563 : "FOR EACH ROW BEGIN "
4564 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4565 : "violates constraint: row_id_value must be NULL when reference_scope "
4566 : "is \"geopackage\", \"table\" or \"column\"') "
4567 : "WHERE NEW.reference_scope IN ('geopackage','table','column') "
4568 : "AND NEW.row_id_value IS NOT NULL; "
4569 : "END; "
4570 : "CREATE TRIGGER 'gpkg_metadata_reference_timestamp_insert' "
4571 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4572 : "FOR EACH ROW BEGIN "
4573 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4574 : "violates constraint: timestamp must be a valid time in ISO 8601 "
4575 : "\"yyyy-mm-ddThh:mm:ss.cccZ\" form') "
4576 : "WHERE NOT (NEW.timestamp GLOB "
4577 : "'[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-"
4578 : "5][0-9].[0-9][0-9][0-9]Z' "
4579 : "AND strftime('%s',NEW.timestamp) NOT NULL); "
4580 : "END; "
4581 : "CREATE TRIGGER 'gpkg_metadata_reference_timestamp_update' "
4582 : "BEFORE UPDATE OF 'timestamp' ON 'gpkg_metadata_reference' "
4583 : "FOR EACH ROW BEGIN "
4584 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4585 : "violates constraint: timestamp must be a valid time in ISO 8601 "
4586 : "\"yyyy-mm-ddThh:mm:ss.cccZ\" form') "
4587 : "WHERE NOT (NEW.timestamp GLOB "
4588 : "'[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-"
4589 : "5][0-9].[0-9][0-9][0-9]Z' "
4590 : "AND strftime('%s',NEW.timestamp) NOT NULL); "
4591 : "END";
4592 308 : if (bCreateTriggers)
4593 : {
4594 0 : osSQL += ";";
4595 0 : osSQL += pszMetadataReferenceTriggers;
4596 : }
4597 :
4598 308 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
4599 2 : return false;
4600 :
4601 306 : osSQL += ";";
4602 : osSQL += "INSERT INTO gpkg_extensions "
4603 : "(table_name, column_name, extension_name, definition, scope) "
4604 : "VALUES "
4605 : "('gpkg_metadata', NULL, 'gpkg_metadata', "
4606 : "'http://www.geopackage.org/spec120/#extension_metadata', "
4607 306 : "'read-write')";
4608 :
4609 306 : osSQL += ";";
4610 : osSQL += "INSERT INTO gpkg_extensions "
4611 : "(table_name, column_name, extension_name, definition, scope) "
4612 : "VALUES "
4613 : "('gpkg_metadata_reference', NULL, 'gpkg_metadata', "
4614 : "'http://www.geopackage.org/spec120/#extension_metadata', "
4615 306 : "'read-write')";
4616 :
4617 306 : const bool bOK = SQLCommand(hDB, osSQL) == OGRERR_NONE;
4618 306 : m_nHasMetadataTables = bOK;
4619 306 : return bOK;
4620 : }
4621 :
4622 : /************************************************************************/
4623 : /* FlushMetadata() */
4624 : /************************************************************************/
4625 :
4626 8892 : void GDALGeoPackageDataset::FlushMetadata()
4627 : {
4628 8892 : if (!m_bMetadataDirty || m_poParentDS != nullptr ||
4629 367 : m_nCreateMetadataTables == FALSE)
4630 8531 : return;
4631 361 : m_bMetadataDirty = false;
4632 :
4633 361 : if (eAccess == GA_ReadOnly)
4634 : {
4635 3 : return;
4636 : }
4637 :
4638 358 : bool bCanWriteAreaOrPoint =
4639 714 : !m_bGridCellEncodingAsCO &&
4640 356 : (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT);
4641 358 : if (!m_osRasterTable.empty())
4642 : {
4643 : const char *pszIdentifier =
4644 144 : GDALGeoPackageDataset::GetMetadataItem("IDENTIFIER");
4645 : const char *pszDescription =
4646 144 : GDALGeoPackageDataset::GetMetadataItem("DESCRIPTION");
4647 173 : if (!m_bIdentifierAsCO && pszIdentifier != nullptr &&
4648 29 : pszIdentifier != m_osIdentifier)
4649 : {
4650 14 : m_osIdentifier = pszIdentifier;
4651 : char *pszSQL =
4652 14 : sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' "
4653 : "WHERE lower(table_name) = lower('%q')",
4654 : pszIdentifier, m_osRasterTable.c_str());
4655 14 : SQLCommand(hDB, pszSQL);
4656 14 : sqlite3_free(pszSQL);
4657 : }
4658 151 : if (!m_bDescriptionAsCO && pszDescription != nullptr &&
4659 7 : pszDescription != m_osDescription)
4660 : {
4661 7 : m_osDescription = pszDescription;
4662 : char *pszSQL =
4663 7 : sqlite3_mprintf("UPDATE gpkg_contents SET description = '%q' "
4664 : "WHERE lower(table_name) = lower('%q')",
4665 : pszDescription, m_osRasterTable.c_str());
4666 7 : SQLCommand(hDB, pszSQL);
4667 7 : sqlite3_free(pszSQL);
4668 : }
4669 144 : if (bCanWriteAreaOrPoint)
4670 : {
4671 : const char *pszAreaOrPoint =
4672 28 : GDALGeoPackageDataset::GetMetadataItem(GDALMD_AREA_OR_POINT);
4673 28 : if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_AREA))
4674 : {
4675 23 : bCanWriteAreaOrPoint = false;
4676 23 : char *pszSQL = sqlite3_mprintf(
4677 : "UPDATE gpkg_2d_gridded_coverage_ancillary SET "
4678 : "grid_cell_encoding = 'grid-value-is-area' WHERE "
4679 : "lower(tile_matrix_set_name) = lower('%q')",
4680 : m_osRasterTable.c_str());
4681 23 : SQLCommand(hDB, pszSQL);
4682 23 : sqlite3_free(pszSQL);
4683 : }
4684 5 : else if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_POINT))
4685 : {
4686 1 : bCanWriteAreaOrPoint = false;
4687 1 : char *pszSQL = sqlite3_mprintf(
4688 : "UPDATE gpkg_2d_gridded_coverage_ancillary SET "
4689 : "grid_cell_encoding = 'grid-value-is-center' WHERE "
4690 : "lower(tile_matrix_set_name) = lower('%q')",
4691 : m_osRasterTable.c_str());
4692 1 : SQLCommand(hDB, pszSQL);
4693 1 : sqlite3_free(pszSQL);
4694 : }
4695 : }
4696 : }
4697 :
4698 358 : char **papszMDDup = nullptr;
4699 563 : for (char **papszIter = GDALGeoPackageDataset::GetMetadata();
4700 563 : papszIter && *papszIter; ++papszIter)
4701 : {
4702 205 : if (STARTS_WITH_CI(*papszIter, "IDENTIFIER="))
4703 29 : continue;
4704 176 : if (STARTS_WITH_CI(*papszIter, "DESCRIPTION="))
4705 8 : continue;
4706 168 : if (STARTS_WITH_CI(*papszIter, "ZOOM_LEVEL="))
4707 14 : continue;
4708 154 : if (STARTS_WITH_CI(*papszIter, "GPKG_METADATA_ITEM_"))
4709 4 : continue;
4710 150 : if ((m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT) &&
4711 29 : !bCanWriteAreaOrPoint &&
4712 26 : STARTS_WITH_CI(*papszIter, GDALMD_AREA_OR_POINT))
4713 : {
4714 26 : continue;
4715 : }
4716 124 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4717 : }
4718 :
4719 358 : CPLXMLNode *psXMLNode = nullptr;
4720 : {
4721 358 : GDALMultiDomainMetadata oLocalMDMD;
4722 358 : CSLConstList papszDomainList = oMDMD.GetDomainList();
4723 358 : CSLConstList papszIter = papszDomainList;
4724 358 : oLocalMDMD.SetMetadata(papszMDDup);
4725 687 : while (papszIter && *papszIter)
4726 : {
4727 329 : if (!EQUAL(*papszIter, "") &&
4728 159 : !EQUAL(*papszIter, "IMAGE_STRUCTURE") &&
4729 15 : !EQUAL(*papszIter, "GEOPACKAGE"))
4730 : {
4731 8 : oLocalMDMD.SetMetadata(oMDMD.GetMetadata(*papszIter),
4732 : *papszIter);
4733 : }
4734 329 : papszIter++;
4735 : }
4736 358 : if (m_nBandCountFromMetadata > 0)
4737 : {
4738 74 : oLocalMDMD.SetMetadataItem(
4739 : "BAND_COUNT", CPLSPrintf("%d", m_nBandCountFromMetadata),
4740 : "IMAGE_STRUCTURE");
4741 74 : if (nBands == 1)
4742 : {
4743 50 : const auto poCT = GetRasterBand(1)->GetColorTable();
4744 50 : if (poCT)
4745 : {
4746 16 : std::string osVal("{");
4747 8 : const int nColorCount = poCT->GetColorEntryCount();
4748 2056 : for (int i = 0; i < nColorCount; ++i)
4749 : {
4750 2048 : if (i > 0)
4751 2040 : osVal += ',';
4752 2048 : const GDALColorEntry *psEntry = poCT->GetColorEntry(i);
4753 : osVal +=
4754 2048 : CPLSPrintf("{%d,%d,%d,%d}", psEntry->c1,
4755 2048 : psEntry->c2, psEntry->c3, psEntry->c4);
4756 : }
4757 8 : osVal += '}';
4758 8 : oLocalMDMD.SetMetadataItem("COLOR_TABLE", osVal.c_str(),
4759 : "IMAGE_STRUCTURE");
4760 : }
4761 : }
4762 74 : if (nBands == 1)
4763 : {
4764 50 : const char *pszTILE_FORMAT = nullptr;
4765 50 : switch (m_eTF)
4766 : {
4767 0 : case GPKG_TF_PNG_JPEG:
4768 0 : pszTILE_FORMAT = "JPEG_PNG";
4769 0 : break;
4770 44 : case GPKG_TF_PNG:
4771 44 : break;
4772 0 : case GPKG_TF_PNG8:
4773 0 : pszTILE_FORMAT = "PNG8";
4774 0 : break;
4775 3 : case GPKG_TF_JPEG:
4776 3 : pszTILE_FORMAT = "JPEG";
4777 3 : break;
4778 3 : case GPKG_TF_WEBP:
4779 3 : pszTILE_FORMAT = "WEBP";
4780 3 : break;
4781 0 : case GPKG_TF_PNG_16BIT:
4782 0 : break;
4783 0 : case GPKG_TF_TIFF_32BIT_FLOAT:
4784 0 : break;
4785 : }
4786 50 : if (pszTILE_FORMAT)
4787 6 : oLocalMDMD.SetMetadataItem("TILE_FORMAT", pszTILE_FORMAT,
4788 : "IMAGE_STRUCTURE");
4789 : }
4790 : }
4791 502 : if (GetRasterCount() > 0 &&
4792 144 : GetRasterBand(1)->GetRasterDataType() == GDT_UInt8)
4793 : {
4794 114 : int bHasNoData = FALSE;
4795 : const double dfNoDataValue =
4796 114 : GetRasterBand(1)->GetNoDataValue(&bHasNoData);
4797 114 : if (bHasNoData)
4798 : {
4799 3 : oLocalMDMD.SetMetadataItem("NODATA_VALUE",
4800 : CPLSPrintf("%.17g", dfNoDataValue),
4801 : "IMAGE_STRUCTURE");
4802 : }
4803 : }
4804 607 : for (int i = 1; i <= GetRasterCount(); ++i)
4805 : {
4806 : auto poBand =
4807 249 : cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(i));
4808 249 : poBand->AddImplicitStatistics(false);
4809 249 : char **papszMD = GetRasterBand(i)->GetMetadata();
4810 249 : poBand->AddImplicitStatistics(true);
4811 249 : if (papszMD)
4812 : {
4813 14 : oLocalMDMD.SetMetadata(papszMD, CPLSPrintf("BAND_%d", i));
4814 : }
4815 : }
4816 358 : psXMLNode = oLocalMDMD.Serialize();
4817 : }
4818 :
4819 358 : CSLDestroy(papszMDDup);
4820 358 : papszMDDup = nullptr;
4821 :
4822 358 : WriteMetadata(psXMLNode, m_osRasterTable.c_str());
4823 :
4824 358 : if (!m_osRasterTable.empty())
4825 : {
4826 : char **papszGeopackageMD =
4827 144 : GDALGeoPackageDataset::GetMetadata("GEOPACKAGE");
4828 :
4829 144 : papszMDDup = nullptr;
4830 153 : for (char **papszIter = papszGeopackageMD; papszIter && *papszIter;
4831 : ++papszIter)
4832 : {
4833 9 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4834 : }
4835 :
4836 288 : GDALMultiDomainMetadata oLocalMDMD;
4837 144 : oLocalMDMD.SetMetadata(papszMDDup);
4838 144 : CSLDestroy(papszMDDup);
4839 144 : papszMDDup = nullptr;
4840 144 : psXMLNode = oLocalMDMD.Serialize();
4841 :
4842 144 : WriteMetadata(psXMLNode, nullptr);
4843 : }
4844 :
4845 588 : for (auto &poLayer : m_apoLayers)
4846 : {
4847 230 : const char *pszIdentifier = poLayer->GetMetadataItem("IDENTIFIER");
4848 230 : const char *pszDescription = poLayer->GetMetadataItem("DESCRIPTION");
4849 230 : if (pszIdentifier != nullptr)
4850 : {
4851 : char *pszSQL =
4852 3 : sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' "
4853 : "WHERE lower(table_name) = lower('%q')",
4854 : pszIdentifier, poLayer->GetName());
4855 3 : SQLCommand(hDB, pszSQL);
4856 3 : sqlite3_free(pszSQL);
4857 : }
4858 230 : if (pszDescription != nullptr)
4859 : {
4860 : char *pszSQL =
4861 3 : sqlite3_mprintf("UPDATE gpkg_contents SET description = '%q' "
4862 : "WHERE lower(table_name) = lower('%q')",
4863 : pszDescription, poLayer->GetName());
4864 3 : SQLCommand(hDB, pszSQL);
4865 3 : sqlite3_free(pszSQL);
4866 : }
4867 :
4868 230 : papszMDDup = nullptr;
4869 624 : for (char **papszIter = poLayer->GetMetadata(); papszIter && *papszIter;
4870 : ++papszIter)
4871 : {
4872 394 : if (STARTS_WITH_CI(*papszIter, "IDENTIFIER="))
4873 3 : continue;
4874 391 : if (STARTS_WITH_CI(*papszIter, "DESCRIPTION="))
4875 3 : continue;
4876 388 : if (STARTS_WITH_CI(*papszIter, "OLMD_FID64="))
4877 0 : continue;
4878 388 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4879 : }
4880 :
4881 : {
4882 230 : GDALMultiDomainMetadata oLocalMDMD;
4883 230 : char **papszDomainList = poLayer->GetMetadataDomainList();
4884 230 : char **papszIter = papszDomainList;
4885 230 : oLocalMDMD.SetMetadata(papszMDDup);
4886 513 : while (papszIter && *papszIter)
4887 : {
4888 283 : if (!EQUAL(*papszIter, ""))
4889 66 : oLocalMDMD.SetMetadata(poLayer->GetMetadata(*papszIter),
4890 : *papszIter);
4891 283 : papszIter++;
4892 : }
4893 230 : CSLDestroy(papszDomainList);
4894 230 : psXMLNode = oLocalMDMD.Serialize();
4895 : }
4896 :
4897 230 : CSLDestroy(papszMDDup);
4898 230 : papszMDDup = nullptr;
4899 :
4900 230 : WriteMetadata(psXMLNode, poLayer->GetName());
4901 : }
4902 : }
4903 :
4904 : /************************************************************************/
4905 : /* GetMetadataItem() */
4906 : /************************************************************************/
4907 :
4908 1908 : const char *GDALGeoPackageDataset::GetMetadataItem(const char *pszName,
4909 : const char *pszDomain)
4910 : {
4911 1908 : pszDomain = CheckMetadataDomain(pszDomain);
4912 1908 : return CSLFetchNameValue(GetMetadata(pszDomain), pszName);
4913 : }
4914 :
4915 : /************************************************************************/
4916 : /* SetMetadata() */
4917 : /************************************************************************/
4918 :
4919 133 : CPLErr GDALGeoPackageDataset::SetMetadata(char **papszMetadata,
4920 : const char *pszDomain)
4921 : {
4922 133 : pszDomain = CheckMetadataDomain(pszDomain);
4923 133 : m_bMetadataDirty = true;
4924 133 : GetMetadata(); /* force loading from storage if needed */
4925 133 : return GDALPamDataset::SetMetadata(papszMetadata, pszDomain);
4926 : }
4927 :
4928 : /************************************************************************/
4929 : /* SetMetadataItem() */
4930 : /************************************************************************/
4931 :
4932 21 : CPLErr GDALGeoPackageDataset::SetMetadataItem(const char *pszName,
4933 : const char *pszValue,
4934 : const char *pszDomain)
4935 : {
4936 21 : pszDomain = CheckMetadataDomain(pszDomain);
4937 21 : m_bMetadataDirty = true;
4938 21 : GetMetadata(); /* force loading from storage if needed */
4939 21 : return GDALPamDataset::SetMetadataItem(pszName, pszValue, pszDomain);
4940 : }
4941 :
4942 : /************************************************************************/
4943 : /* Create() */
4944 : /************************************************************************/
4945 :
4946 1003 : int GDALGeoPackageDataset::Create(const char *pszFilename, int nXSize,
4947 : int nYSize, int nBandsIn, GDALDataType eDT,
4948 : char **papszOptions)
4949 : {
4950 2006 : CPLString osCommand;
4951 :
4952 : /* First, ensure there isn't any such file yet. */
4953 : VSIStatBufL sStatBuf;
4954 :
4955 1003 : if (nBandsIn != 0)
4956 : {
4957 226 : if (eDT == GDT_UInt8)
4958 : {
4959 156 : if (nBandsIn != 1 && nBandsIn != 2 && nBandsIn != 3 &&
4960 : nBandsIn != 4)
4961 : {
4962 1 : CPLError(CE_Failure, CPLE_NotSupported,
4963 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), "
4964 : "3 (RGB) or 4 (RGBA) band dataset supported for "
4965 : "Byte datatype");
4966 1 : return FALSE;
4967 : }
4968 : }
4969 70 : else if (eDT == GDT_Int16 || eDT == GDT_UInt16 || eDT == GDT_Float32)
4970 : {
4971 43 : if (nBandsIn != 1)
4972 : {
4973 3 : CPLError(CE_Failure, CPLE_NotSupported,
4974 : "Only single band dataset supported for non Byte "
4975 : "datatype");
4976 3 : return FALSE;
4977 : }
4978 : }
4979 : else
4980 : {
4981 27 : CPLError(CE_Failure, CPLE_NotSupported,
4982 : "Only Byte, Int16, UInt16 or Float32 supported");
4983 27 : return FALSE;
4984 : }
4985 : }
4986 :
4987 972 : const size_t nFilenameLen = strlen(pszFilename);
4988 972 : const bool bGpkgZip =
4989 967 : (nFilenameLen > strlen(".gpkg.zip") &&
4990 1939 : !STARTS_WITH(pszFilename, "/vsizip/") &&
4991 967 : EQUAL(pszFilename + nFilenameLen - strlen(".gpkg.zip"), ".gpkg.zip"));
4992 :
4993 : const bool bUseTempFile =
4994 973 : bGpkgZip || (CPLTestBool(CPLGetConfigOption(
4995 1 : "CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE", "NO")) &&
4996 1 : (VSIHasOptimizedReadMultiRange(pszFilename) != FALSE ||
4997 1 : EQUAL(CPLGetConfigOption(
4998 : "CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE", ""),
4999 972 : "FORCED")));
5000 :
5001 972 : bool bFileExists = false;
5002 972 : if (VSIStatL(pszFilename, &sStatBuf) == 0)
5003 : {
5004 10 : bFileExists = true;
5005 20 : if (nBandsIn == 0 || bUseTempFile ||
5006 10 : !CPLTestBool(
5007 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")))
5008 : {
5009 0 : CPLError(CE_Failure, CPLE_AppDefined,
5010 : "A file system object called '%s' already exists.",
5011 : pszFilename);
5012 :
5013 0 : return FALSE;
5014 : }
5015 : }
5016 :
5017 972 : if (bUseTempFile)
5018 : {
5019 3 : if (bGpkgZip)
5020 : {
5021 2 : std::string osFilenameInZip(CPLGetFilename(pszFilename));
5022 2 : osFilenameInZip.resize(osFilenameInZip.size() - strlen(".zip"));
5023 : m_osFinalFilename =
5024 2 : std::string("/vsizip/{") + pszFilename + "}/" + osFilenameInZip;
5025 : }
5026 : else
5027 : {
5028 1 : m_osFinalFilename = pszFilename;
5029 : }
5030 3 : m_pszFilename = CPLStrdup(
5031 6 : CPLGenerateTempFilenameSafe(CPLGetFilename(pszFilename)).c_str());
5032 3 : CPLDebug("GPKG", "Creating temporary file %s", m_pszFilename);
5033 : }
5034 : else
5035 : {
5036 969 : m_pszFilename = CPLStrdup(pszFilename);
5037 : }
5038 972 : m_bNew = true;
5039 972 : eAccess = GA_Update;
5040 972 : m_bDateTimeWithTZ =
5041 972 : EQUAL(CSLFetchNameValueDef(papszOptions, "DATETIME_FORMAT", "WITH_TZ"),
5042 : "WITH_TZ");
5043 :
5044 : // for test/debug purposes only. true is the nominal value
5045 972 : m_bPNGSupports2Bands =
5046 972 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_2BANDS", "TRUE"));
5047 972 : m_bPNGSupportsCT =
5048 972 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_CT", "TRUE"));
5049 :
5050 972 : if (!OpenOrCreateDB(bFileExists
5051 : ? SQLITE_OPEN_READWRITE
5052 : : SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE))
5053 7 : return FALSE;
5054 :
5055 : /* Default to synchronous=off for performance for new file */
5056 1920 : if (!bFileExists &&
5057 955 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5058 : {
5059 441 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5060 : }
5061 :
5062 : /* OGR UTF-8 support. If we set the UTF-8 Pragma early on, it */
5063 : /* will be written into the main file and supported henceforth */
5064 965 : SQLCommand(hDB, "PRAGMA encoding = \"UTF-8\"");
5065 :
5066 965 : if (bFileExists)
5067 : {
5068 10 : VSILFILE *fp = VSIFOpenL(pszFilename, "rb");
5069 10 : if (fp)
5070 : {
5071 : GByte abyHeader[100];
5072 10 : VSIFReadL(abyHeader, 1, sizeof(abyHeader), fp);
5073 10 : VSIFCloseL(fp);
5074 :
5075 10 : memcpy(&m_nApplicationId, abyHeader + knApplicationIdPos, 4);
5076 10 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
5077 10 : memcpy(&m_nUserVersion, abyHeader + knUserVersionPos, 4);
5078 10 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
5079 :
5080 10 : if (m_nApplicationId == GP10_APPLICATION_ID)
5081 : {
5082 0 : CPLDebug("GPKG", "GeoPackage v1.0");
5083 : }
5084 10 : else if (m_nApplicationId == GP11_APPLICATION_ID)
5085 : {
5086 0 : CPLDebug("GPKG", "GeoPackage v1.1");
5087 : }
5088 10 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
5089 10 : m_nUserVersion >= GPKG_1_2_VERSION)
5090 : {
5091 10 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
5092 10 : (m_nUserVersion % 10000) / 100, m_nUserVersion % 100);
5093 : }
5094 : }
5095 :
5096 10 : DetectSpatialRefSysColumns();
5097 : }
5098 :
5099 965 : const char *pszVersion = CSLFetchNameValue(papszOptions, "VERSION");
5100 965 : if (pszVersion && !EQUAL(pszVersion, "AUTO"))
5101 : {
5102 40 : if (EQUAL(pszVersion, "1.0"))
5103 : {
5104 2 : m_nApplicationId = GP10_APPLICATION_ID;
5105 2 : m_nUserVersion = 0;
5106 : }
5107 38 : else if (EQUAL(pszVersion, "1.1"))
5108 : {
5109 1 : m_nApplicationId = GP11_APPLICATION_ID;
5110 1 : m_nUserVersion = 0;
5111 : }
5112 37 : else if (EQUAL(pszVersion, "1.2"))
5113 : {
5114 15 : m_nApplicationId = GPKG_APPLICATION_ID;
5115 15 : m_nUserVersion = GPKG_1_2_VERSION;
5116 : }
5117 22 : else if (EQUAL(pszVersion, "1.3"))
5118 : {
5119 3 : m_nApplicationId = GPKG_APPLICATION_ID;
5120 3 : m_nUserVersion = GPKG_1_3_VERSION;
5121 : }
5122 19 : else if (EQUAL(pszVersion, "1.4"))
5123 : {
5124 19 : m_nApplicationId = GPKG_APPLICATION_ID;
5125 19 : m_nUserVersion = GPKG_1_4_VERSION;
5126 : }
5127 : }
5128 :
5129 965 : SoftStartTransaction();
5130 :
5131 1930 : CPLString osSQL;
5132 965 : if (!bFileExists)
5133 : {
5134 : /* Requirement 10: A GeoPackage SHALL include a gpkg_spatial_ref_sys
5135 : * table */
5136 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5137 : osSQL = "CREATE TABLE gpkg_spatial_ref_sys ("
5138 : "srs_name TEXT NOT NULL,"
5139 : "srs_id INTEGER NOT NULL PRIMARY KEY,"
5140 : "organization TEXT NOT NULL,"
5141 : "organization_coordsys_id INTEGER NOT NULL,"
5142 : "definition TEXT NOT NULL,"
5143 955 : "description TEXT";
5144 955 : if (CPLTestBool(CSLFetchNameValueDef(papszOptions, "CRS_WKT_EXTENSION",
5145 1136 : "NO")) ||
5146 181 : (nBandsIn != 0 && eDT != GDT_UInt8))
5147 : {
5148 42 : m_bHasDefinition12_063 = true;
5149 42 : osSQL += ", definition_12_063 TEXT NOT NULL";
5150 42 : if (m_nUserVersion >= GPKG_1_4_VERSION)
5151 : {
5152 40 : osSQL += ", epoch DOUBLE";
5153 40 : m_bHasEpochColumn = true;
5154 : }
5155 : }
5156 : osSQL += ")"
5157 : ";"
5158 : /* Requirement 11: The gpkg_spatial_ref_sys table in a
5159 : GeoPackage SHALL */
5160 : /* contain a record for EPSG:4326, the geodetic WGS84 SRS */
5161 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5162 :
5163 : "INSERT INTO gpkg_spatial_ref_sys ("
5164 : "srs_name, srs_id, organization, organization_coordsys_id, "
5165 955 : "definition, description";
5166 955 : if (m_bHasDefinition12_063)
5167 42 : osSQL += ", definition_12_063";
5168 : osSQL +=
5169 : ") VALUES ("
5170 : "'WGS 84 geodetic', 4326, 'EPSG', 4326, '"
5171 : "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS "
5172 : "84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],"
5173 : "AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY["
5174 : "\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY["
5175 : "\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\","
5176 : "EAST],AUTHORITY[\"EPSG\",\"4326\"]]"
5177 : "', 'longitude/latitude coordinates in decimal degrees on the WGS "
5178 955 : "84 spheroid'";
5179 955 : if (m_bHasDefinition12_063)
5180 : osSQL +=
5181 : ", 'GEODCRS[\"WGS 84\", DATUM[\"World Geodetic System 1984\", "
5182 : "ELLIPSOID[\"WGS 84\",6378137, 298.257223563, "
5183 : "LENGTHUNIT[\"metre\", 1.0]]], PRIMEM[\"Greenwich\", 0.0, "
5184 : "ANGLEUNIT[\"degree\",0.0174532925199433]], CS[ellipsoidal, "
5185 : "2], AXIS[\"latitude\", north, ORDER[1]], AXIS[\"longitude\", "
5186 : "east, ORDER[2]], ANGLEUNIT[\"degree\", 0.0174532925199433], "
5187 42 : "ID[\"EPSG\", 4326]]'";
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 -1, an organization of “NONE”,
5194 : */
5195 : /* an organization_coordsys_id of -1, and definition “undefined” */
5196 : /* for undefined Cartesian 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 955 : "definition, description";
5201 955 : if (m_bHasDefinition12_063)
5202 42 : osSQL += ", definition_12_063";
5203 : osSQL += ") VALUES ("
5204 : "'Undefined Cartesian SRS', -1, 'NONE', -1, 'undefined', "
5205 955 : "'undefined Cartesian coordinate reference system'";
5206 955 : if (m_bHasDefinition12_063)
5207 42 : osSQL += ", 'undefined'";
5208 : osSQL +=
5209 : ")"
5210 : ";"
5211 : /* Requirement 11: The gpkg_spatial_ref_sys table in a GeoPackage
5212 : SHALL */
5213 : /* contain a record with an srs_id of 0, an organization of “NONE”,
5214 : */
5215 : /* an organization_coordsys_id of 0, and definition “undefined” */
5216 : /* for undefined geographic coordinate reference systems */
5217 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5218 : "INSERT INTO gpkg_spatial_ref_sys ("
5219 : "srs_name, srs_id, organization, organization_coordsys_id, "
5220 955 : "definition, description";
5221 955 : if (m_bHasDefinition12_063)
5222 42 : osSQL += ", definition_12_063";
5223 : osSQL += ") VALUES ("
5224 : "'Undefined geographic SRS', 0, 'NONE', 0, 'undefined', "
5225 955 : "'undefined geographic coordinate reference system'";
5226 955 : if (m_bHasDefinition12_063)
5227 42 : osSQL += ", 'undefined'";
5228 : osSQL += ")"
5229 : ";"
5230 : /* Requirement 13: A GeoPackage file SHALL include a
5231 : gpkg_contents table */
5232 : /* http://opengis.github.io/geopackage/#_contents */
5233 : "CREATE TABLE gpkg_contents ("
5234 : "table_name TEXT NOT NULL PRIMARY KEY,"
5235 : "data_type TEXT NOT NULL,"
5236 : "identifier TEXT UNIQUE,"
5237 : "description TEXT DEFAULT '',"
5238 : "last_change DATETIME NOT NULL DEFAULT "
5239 : "(strftime('%Y-%m-%dT%H:%M:%fZ','now')),"
5240 : "min_x DOUBLE, min_y DOUBLE,"
5241 : "max_x DOUBLE, max_y DOUBLE,"
5242 : "srs_id INTEGER,"
5243 : "CONSTRAINT fk_gc_r_srs_id FOREIGN KEY (srs_id) REFERENCES "
5244 : "gpkg_spatial_ref_sys(srs_id)"
5245 955 : ")";
5246 :
5247 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5248 955 : if (CPLFetchBool(papszOptions, "ADD_GPKG_OGR_CONTENTS", true))
5249 : {
5250 950 : m_bHasGPKGOGRContents = true;
5251 : osSQL += ";"
5252 : "CREATE TABLE gpkg_ogr_contents("
5253 : "table_name TEXT NOT NULL PRIMARY KEY,"
5254 : "feature_count INTEGER DEFAULT NULL"
5255 950 : ")";
5256 : }
5257 : #endif
5258 :
5259 : /* Requirement 21: A GeoPackage with a gpkg_contents table row with a
5260 : * “features” */
5261 : /* data_type SHALL contain a gpkg_geometry_columns table or updateable
5262 : * view */
5263 : /* http://opengis.github.io/geopackage/#_geometry_columns */
5264 : const bool bCreateGeometryColumns =
5265 955 : CPLTestBool(CPLGetConfigOption("CREATE_GEOMETRY_COLUMNS", "YES"));
5266 955 : if (bCreateGeometryColumns)
5267 : {
5268 954 : m_bHasGPKGGeometryColumns = true;
5269 954 : osSQL += ";";
5270 954 : osSQL += pszCREATE_GPKG_GEOMETRY_COLUMNS;
5271 : }
5272 : }
5273 :
5274 : const bool bCreateTriggers =
5275 965 : CPLTestBool(CPLGetConfigOption("CREATE_TRIGGERS", "YES"));
5276 10 : if ((bFileExists && nBandsIn != 0 &&
5277 10 : SQLGetInteger(
5278 : hDB,
5279 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_tile_matrix_set' "
5280 : "AND type in ('table', 'view')",
5281 1930 : nullptr) == 0) ||
5282 964 : (!bFileExists &&
5283 955 : CPLTestBool(CPLGetConfigOption("CREATE_RASTER_TABLES", "YES"))))
5284 : {
5285 955 : if (!osSQL.empty())
5286 954 : osSQL += ";";
5287 :
5288 : /* From C.5. gpkg_tile_matrix_set Table 28. gpkg_tile_matrix_set Table
5289 : * Creation SQL */
5290 : osSQL += "CREATE TABLE gpkg_tile_matrix_set ("
5291 : "table_name TEXT NOT NULL PRIMARY KEY,"
5292 : "srs_id INTEGER NOT NULL,"
5293 : "min_x DOUBLE NOT NULL,"
5294 : "min_y DOUBLE NOT NULL,"
5295 : "max_x DOUBLE NOT NULL,"
5296 : "max_y DOUBLE NOT NULL,"
5297 : "CONSTRAINT fk_gtms_table_name FOREIGN KEY (table_name) "
5298 : "REFERENCES gpkg_contents(table_name),"
5299 : "CONSTRAINT fk_gtms_srs FOREIGN KEY (srs_id) REFERENCES "
5300 : "gpkg_spatial_ref_sys (srs_id)"
5301 : ")"
5302 : ";"
5303 :
5304 : /* From C.6. gpkg_tile_matrix Table 29. gpkg_tile_matrix Table
5305 : Creation SQL */
5306 : "CREATE TABLE gpkg_tile_matrix ("
5307 : "table_name TEXT NOT NULL,"
5308 : "zoom_level INTEGER NOT NULL,"
5309 : "matrix_width INTEGER NOT NULL,"
5310 : "matrix_height INTEGER NOT NULL,"
5311 : "tile_width INTEGER NOT NULL,"
5312 : "tile_height INTEGER NOT NULL,"
5313 : "pixel_x_size DOUBLE NOT NULL,"
5314 : "pixel_y_size DOUBLE NOT NULL,"
5315 : "CONSTRAINT pk_ttm PRIMARY KEY (table_name, zoom_level),"
5316 : "CONSTRAINT fk_tmm_table_name FOREIGN KEY (table_name) "
5317 : "REFERENCES gpkg_contents(table_name)"
5318 955 : ")";
5319 :
5320 955 : if (bCreateTriggers)
5321 : {
5322 : /* From D.1. gpkg_tile_matrix Table 39. gpkg_tile_matrix Trigger
5323 : * Definition SQL */
5324 955 : const char *pszTileMatrixTrigger =
5325 : "CREATE TRIGGER 'gpkg_tile_matrix_zoom_level_insert' "
5326 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5327 : "FOR EACH ROW BEGIN "
5328 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5329 : "violates constraint: zoom_level cannot be less than 0') "
5330 : "WHERE (NEW.zoom_level < 0); "
5331 : "END; "
5332 : "CREATE TRIGGER 'gpkg_tile_matrix_zoom_level_update' "
5333 : "BEFORE UPDATE of zoom_level ON 'gpkg_tile_matrix' "
5334 : "FOR EACH ROW BEGIN "
5335 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5336 : "violates constraint: zoom_level cannot be less than 0') "
5337 : "WHERE (NEW.zoom_level < 0); "
5338 : "END; "
5339 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_width_insert' "
5340 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5341 : "FOR EACH ROW BEGIN "
5342 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5343 : "violates constraint: matrix_width cannot be less than 1') "
5344 : "WHERE (NEW.matrix_width < 1); "
5345 : "END; "
5346 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_width_update' "
5347 : "BEFORE UPDATE OF matrix_width ON 'gpkg_tile_matrix' "
5348 : "FOR EACH ROW BEGIN "
5349 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5350 : "violates constraint: matrix_width cannot be less than 1') "
5351 : "WHERE (NEW.matrix_width < 1); "
5352 : "END; "
5353 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_height_insert' "
5354 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5355 : "FOR EACH ROW BEGIN "
5356 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5357 : "violates constraint: matrix_height cannot be less than 1') "
5358 : "WHERE (NEW.matrix_height < 1); "
5359 : "END; "
5360 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_height_update' "
5361 : "BEFORE UPDATE OF matrix_height ON 'gpkg_tile_matrix' "
5362 : "FOR EACH ROW BEGIN "
5363 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5364 : "violates constraint: matrix_height cannot be less than 1') "
5365 : "WHERE (NEW.matrix_height < 1); "
5366 : "END; "
5367 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_x_size_insert' "
5368 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5369 : "FOR EACH ROW BEGIN "
5370 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5371 : "violates constraint: pixel_x_size must be greater than 0') "
5372 : "WHERE NOT (NEW.pixel_x_size > 0); "
5373 : "END; "
5374 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_x_size_update' "
5375 : "BEFORE UPDATE OF pixel_x_size ON 'gpkg_tile_matrix' "
5376 : "FOR EACH ROW BEGIN "
5377 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5378 : "violates constraint: pixel_x_size must be greater than 0') "
5379 : "WHERE NOT (NEW.pixel_x_size > 0); "
5380 : "END; "
5381 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_y_size_insert' "
5382 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5383 : "FOR EACH ROW BEGIN "
5384 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5385 : "violates constraint: pixel_y_size must be greater than 0') "
5386 : "WHERE NOT (NEW.pixel_y_size > 0); "
5387 : "END; "
5388 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_y_size_update' "
5389 : "BEFORE UPDATE OF pixel_y_size ON 'gpkg_tile_matrix' "
5390 : "FOR EACH ROW BEGIN "
5391 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5392 : "violates constraint: pixel_y_size must be greater than 0') "
5393 : "WHERE NOT (NEW.pixel_y_size > 0); "
5394 : "END;";
5395 955 : osSQL += ";";
5396 955 : osSQL += pszTileMatrixTrigger;
5397 : }
5398 : }
5399 :
5400 965 : if (!osSQL.empty() && OGRERR_NONE != SQLCommand(hDB, osSQL))
5401 1 : return FALSE;
5402 :
5403 964 : if (!bFileExists)
5404 : {
5405 : const char *pszMetadataTables =
5406 954 : CSLFetchNameValue(papszOptions, "METADATA_TABLES");
5407 954 : if (pszMetadataTables)
5408 10 : m_nCreateMetadataTables = int(CPLTestBool(pszMetadataTables));
5409 :
5410 954 : if (m_nCreateMetadataTables == TRUE && !CreateMetadataTables())
5411 0 : return FALSE;
5412 :
5413 954 : if (m_bHasDefinition12_063)
5414 : {
5415 84 : if (OGRERR_NONE != CreateExtensionsTableIfNecessary() ||
5416 : OGRERR_NONE !=
5417 42 : SQLCommand(hDB, "INSERT INTO gpkg_extensions "
5418 : "(table_name, column_name, extension_name, "
5419 : "definition, scope) "
5420 : "VALUES "
5421 : "('gpkg_spatial_ref_sys', "
5422 : "'definition_12_063', 'gpkg_crs_wkt', "
5423 : "'http://www.geopackage.org/spec120/"
5424 : "#extension_crs_wkt', 'read-write')"))
5425 : {
5426 0 : return FALSE;
5427 : }
5428 42 : if (m_bHasEpochColumn)
5429 : {
5430 40 : if (OGRERR_NONE !=
5431 40 : SQLCommand(
5432 : hDB, "UPDATE gpkg_extensions SET extension_name = "
5433 : "'gpkg_crs_wkt_1_1' "
5434 80 : "WHERE extension_name = 'gpkg_crs_wkt'") ||
5435 : OGRERR_NONE !=
5436 40 : SQLCommand(hDB, "INSERT INTO gpkg_extensions "
5437 : "(table_name, column_name, "
5438 : "extension_name, definition, scope) "
5439 : "VALUES "
5440 : "('gpkg_spatial_ref_sys', 'epoch', "
5441 : "'gpkg_crs_wkt_1_1', "
5442 : "'http://www.geopackage.org/spec/"
5443 : "#extension_crs_wkt', "
5444 : "'read-write')"))
5445 : {
5446 0 : return FALSE;
5447 : }
5448 : }
5449 : }
5450 : }
5451 :
5452 964 : if (nBandsIn != 0)
5453 : {
5454 190 : const std::string osTableName = CPLGetBasenameSafe(m_pszFilename);
5455 : m_osRasterTable = CSLFetchNameValueDef(papszOptions, "RASTER_TABLE",
5456 190 : osTableName.c_str());
5457 190 : if (m_osRasterTable.empty())
5458 : {
5459 0 : CPLError(CE_Failure, CPLE_AppDefined,
5460 : "RASTER_TABLE must be set to a non empty value");
5461 0 : return FALSE;
5462 : }
5463 190 : m_bIdentifierAsCO =
5464 190 : CSLFetchNameValue(papszOptions, "RASTER_IDENTIFIER") != nullptr;
5465 : m_osIdentifier = CSLFetchNameValueDef(papszOptions, "RASTER_IDENTIFIER",
5466 190 : m_osRasterTable);
5467 190 : m_bDescriptionAsCO =
5468 190 : CSLFetchNameValue(papszOptions, "RASTER_DESCRIPTION") != nullptr;
5469 : m_osDescription =
5470 190 : CSLFetchNameValueDef(papszOptions, "RASTER_DESCRIPTION", "");
5471 190 : SetDataType(eDT);
5472 190 : if (eDT == GDT_Int16)
5473 16 : SetGlobalOffsetScale(-32768.0, 1.0);
5474 :
5475 : /* From C.7. sample_tile_pyramid (Informative) Table 31. EXAMPLE: tiles
5476 : * table Create Table SQL (Informative) */
5477 : char *pszSQL =
5478 190 : sqlite3_mprintf("CREATE TABLE \"%w\" ("
5479 : "id INTEGER PRIMARY KEY AUTOINCREMENT,"
5480 : "zoom_level INTEGER NOT NULL,"
5481 : "tile_column INTEGER NOT NULL,"
5482 : "tile_row INTEGER NOT NULL,"
5483 : "tile_data BLOB NOT NULL,"
5484 : "UNIQUE (zoom_level, tile_column, tile_row)"
5485 : ")",
5486 : m_osRasterTable.c_str());
5487 190 : osSQL = pszSQL;
5488 190 : sqlite3_free(pszSQL);
5489 :
5490 190 : if (bCreateTriggers)
5491 : {
5492 190 : osSQL += ";";
5493 190 : osSQL += CreateRasterTriggersSQL(m_osRasterTable);
5494 : }
5495 :
5496 190 : OGRErr eErr = SQLCommand(hDB, osSQL);
5497 190 : if (OGRERR_NONE != eErr)
5498 0 : return FALSE;
5499 :
5500 190 : const char *pszTF = CSLFetchNameValue(papszOptions, "TILE_FORMAT");
5501 190 : if (eDT == GDT_Int16 || eDT == GDT_UInt16)
5502 : {
5503 27 : m_eTF = GPKG_TF_PNG_16BIT;
5504 27 : if (pszTF)
5505 : {
5506 1 : if (!EQUAL(pszTF, "AUTO") && !EQUAL(pszTF, "PNG"))
5507 : {
5508 0 : CPLError(CE_Warning, CPLE_NotSupported,
5509 : "Only AUTO or PNG supported "
5510 : "as tile format for Int16 / UInt16");
5511 : }
5512 : }
5513 : }
5514 163 : else if (eDT == GDT_Float32)
5515 : {
5516 13 : m_eTF = GPKG_TF_TIFF_32BIT_FLOAT;
5517 13 : if (pszTF)
5518 : {
5519 5 : if (EQUAL(pszTF, "PNG"))
5520 5 : m_eTF = GPKG_TF_PNG_16BIT;
5521 0 : else if (!EQUAL(pszTF, "AUTO") && !EQUAL(pszTF, "TIFF"))
5522 : {
5523 0 : CPLError(CE_Warning, CPLE_NotSupported,
5524 : "Only AUTO, PNG or TIFF supported "
5525 : "as tile format for Float32");
5526 : }
5527 : }
5528 : }
5529 : else
5530 : {
5531 150 : if (pszTF)
5532 : {
5533 71 : m_eTF = GDALGPKGMBTilesGetTileFormat(pszTF);
5534 71 : if (nBandsIn == 1 && m_eTF != GPKG_TF_PNG)
5535 7 : m_bMetadataDirty = true;
5536 : }
5537 79 : else if (nBandsIn == 1)
5538 68 : m_eTF = GPKG_TF_PNG;
5539 : }
5540 :
5541 190 : if (eDT != GDT_UInt8)
5542 : {
5543 40 : if (!CreateTileGriddedTable(papszOptions))
5544 0 : return FALSE;
5545 : }
5546 :
5547 190 : nRasterXSize = nXSize;
5548 190 : nRasterYSize = nYSize;
5549 :
5550 : const char *pszTileSize =
5551 190 : CSLFetchNameValueDef(papszOptions, "BLOCKSIZE", "256");
5552 : const char *pszTileWidth =
5553 190 : CSLFetchNameValueDef(papszOptions, "BLOCKXSIZE", pszTileSize);
5554 : const char *pszTileHeight =
5555 190 : CSLFetchNameValueDef(papszOptions, "BLOCKYSIZE", pszTileSize);
5556 190 : int nTileWidth = atoi(pszTileWidth);
5557 190 : int nTileHeight = atoi(pszTileHeight);
5558 190 : if ((nTileWidth < 8 || nTileWidth > 4096 || nTileHeight < 8 ||
5559 380 : nTileHeight > 4096) &&
5560 1 : !CPLTestBool(CPLGetConfigOption("GPKG_ALLOW_CRAZY_SETTINGS", "NO")))
5561 : {
5562 0 : CPLError(CE_Failure, CPLE_AppDefined,
5563 : "Invalid block dimensions: %dx%d", nTileWidth,
5564 : nTileHeight);
5565 0 : return FALSE;
5566 : }
5567 :
5568 513 : for (int i = 1; i <= nBandsIn; i++)
5569 : {
5570 323 : SetBand(i, std::make_unique<GDALGeoPackageRasterBand>(
5571 : this, nTileWidth, nTileHeight));
5572 : }
5573 :
5574 190 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL",
5575 : "IMAGE_STRUCTURE");
5576 190 : GDALPamDataset::SetMetadataItem("IDENTIFIER", m_osIdentifier);
5577 190 : if (!m_osDescription.empty())
5578 1 : GDALPamDataset::SetMetadataItem("DESCRIPTION", m_osDescription);
5579 :
5580 190 : ParseCompressionOptions(papszOptions);
5581 :
5582 190 : if (m_eTF == GPKG_TF_WEBP)
5583 : {
5584 10 : if (!RegisterWebPExtension())
5585 0 : return FALSE;
5586 : }
5587 :
5588 : m_osTilingScheme =
5589 190 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5590 190 : if (!EQUAL(m_osTilingScheme, "CUSTOM"))
5591 : {
5592 22 : const auto poTS = GetTilingScheme(m_osTilingScheme);
5593 22 : if (!poTS)
5594 0 : return FALSE;
5595 :
5596 43 : if (nTileWidth != poTS->nTileWidth ||
5597 21 : nTileHeight != poTS->nTileHeight)
5598 : {
5599 2 : CPLError(CE_Failure, CPLE_NotSupported,
5600 : "Tile dimension should be %dx%d for %s tiling scheme",
5601 1 : poTS->nTileWidth, poTS->nTileHeight,
5602 : m_osTilingScheme.c_str());
5603 1 : return FALSE;
5604 : }
5605 :
5606 : const char *pszZoomLevel =
5607 21 : CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
5608 21 : if (pszZoomLevel)
5609 : {
5610 1 : m_nZoomLevel = atoi(pszZoomLevel);
5611 1 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
5612 1 : while ((1 << nMaxZoomLevelForThisTM) >
5613 2 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
5614 1 : (1 << nMaxZoomLevelForThisTM) >
5615 1 : INT_MAX / poTS->nTileYCountZoomLevel0)
5616 : {
5617 0 : --nMaxZoomLevelForThisTM;
5618 : }
5619 :
5620 1 : if (m_nZoomLevel < 0 || m_nZoomLevel > nMaxZoomLevelForThisTM)
5621 : {
5622 0 : CPLError(CE_Failure, CPLE_AppDefined,
5623 : "ZOOM_LEVEL = %s is invalid. It should be in "
5624 : "[0,%d] range",
5625 : pszZoomLevel, nMaxZoomLevelForThisTM);
5626 0 : return FALSE;
5627 : }
5628 : }
5629 :
5630 : // Implicitly sets SRS.
5631 21 : OGRSpatialReference oSRS;
5632 21 : if (oSRS.importFromEPSG(poTS->nEPSGCode) != OGRERR_NONE)
5633 0 : return FALSE;
5634 21 : char *pszWKT = nullptr;
5635 21 : oSRS.exportToWkt(&pszWKT);
5636 21 : SetProjection(pszWKT);
5637 21 : CPLFree(pszWKT);
5638 : }
5639 : else
5640 : {
5641 168 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5642 : {
5643 0 : CPLError(
5644 : CE_Failure, CPLE_NotSupported,
5645 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5646 0 : return false;
5647 : }
5648 : }
5649 : }
5650 :
5651 963 : if (bFileExists && nBandsIn > 0 && eDT == GDT_UInt8)
5652 : {
5653 : // If there was an ogr_empty_table table, we can remove it
5654 9 : RemoveOGREmptyTable();
5655 : }
5656 :
5657 963 : SoftCommitTransaction();
5658 :
5659 : /* Requirement 2 */
5660 : /* We have to do this after there's some content so the database file */
5661 : /* is not zero length */
5662 963 : SetApplicationAndUserVersionId();
5663 :
5664 : /* Default to synchronous=off for performance for new file */
5665 1916 : if (!bFileExists &&
5666 953 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5667 : {
5668 441 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5669 : }
5670 :
5671 963 : return TRUE;
5672 : }
5673 :
5674 : /************************************************************************/
5675 : /* RemoveOGREmptyTable() */
5676 : /************************************************************************/
5677 :
5678 774 : void GDALGeoPackageDataset::RemoveOGREmptyTable()
5679 : {
5680 : // Run with sqlite3_exec since we don't want errors to be emitted
5681 774 : sqlite3_exec(hDB, "DROP TABLE IF EXISTS ogr_empty_table", nullptr, nullptr,
5682 : nullptr);
5683 774 : sqlite3_exec(
5684 : hDB, "DELETE FROM gpkg_contents WHERE table_name = 'ogr_empty_table'",
5685 : nullptr, nullptr, nullptr);
5686 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5687 774 : if (m_bHasGPKGOGRContents)
5688 : {
5689 760 : sqlite3_exec(hDB,
5690 : "DELETE FROM gpkg_ogr_contents WHERE "
5691 : "table_name = 'ogr_empty_table'",
5692 : nullptr, nullptr, nullptr);
5693 : }
5694 : #endif
5695 774 : sqlite3_exec(hDB,
5696 : "DELETE FROM gpkg_geometry_columns WHERE "
5697 : "table_name = 'ogr_empty_table'",
5698 : nullptr, nullptr, nullptr);
5699 774 : }
5700 :
5701 : /************************************************************************/
5702 : /* CreateTileGriddedTable() */
5703 : /************************************************************************/
5704 :
5705 40 : bool GDALGeoPackageDataset::CreateTileGriddedTable(char **papszOptions)
5706 : {
5707 80 : CPLString osSQL;
5708 40 : if (!HasGriddedCoverageAncillaryTable())
5709 : {
5710 : // It doesn't exist. So create gpkg_extensions table if necessary, and
5711 : // gpkg_2d_gridded_coverage_ancillary & gpkg_2d_gridded_tile_ancillary,
5712 : // and register them as extensions.
5713 40 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
5714 0 : return false;
5715 :
5716 : // Req 1 /table-defs/coverage-ancillary
5717 : osSQL = "CREATE TABLE gpkg_2d_gridded_coverage_ancillary ("
5718 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5719 : "tile_matrix_set_name TEXT NOT NULL UNIQUE,"
5720 : "datatype TEXT NOT NULL DEFAULT 'integer',"
5721 : "scale REAL NOT NULL DEFAULT 1.0,"
5722 : "offset REAL NOT NULL DEFAULT 0.0,"
5723 : "precision REAL DEFAULT 1.0,"
5724 : "data_null REAL,"
5725 : "grid_cell_encoding TEXT DEFAULT 'grid-value-is-center',"
5726 : "uom TEXT,"
5727 : "field_name TEXT DEFAULT 'Height',"
5728 : "quantity_definition TEXT DEFAULT 'Height',"
5729 : "CONSTRAINT fk_g2dgtct_name FOREIGN KEY(tile_matrix_set_name) "
5730 : "REFERENCES gpkg_tile_matrix_set ( table_name ) "
5731 : "CHECK (datatype in ('integer','float')))"
5732 : ";"
5733 : // Requirement 2 /table-defs/tile-ancillary
5734 : "CREATE TABLE gpkg_2d_gridded_tile_ancillary ("
5735 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5736 : "tpudt_name TEXT NOT NULL,"
5737 : "tpudt_id INTEGER NOT NULL,"
5738 : "scale REAL NOT NULL DEFAULT 1.0,"
5739 : "offset REAL NOT NULL DEFAULT 0.0,"
5740 : "min REAL DEFAULT NULL,"
5741 : "max REAL DEFAULT NULL,"
5742 : "mean REAL DEFAULT NULL,"
5743 : "std_dev REAL DEFAULT NULL,"
5744 : "CONSTRAINT fk_g2dgtat_name FOREIGN KEY (tpudt_name) "
5745 : "REFERENCES gpkg_contents(table_name),"
5746 : "UNIQUE (tpudt_name, tpudt_id))"
5747 : ";"
5748 : // Requirement 6 /gpkg-extensions
5749 : "INSERT INTO gpkg_extensions "
5750 : "(table_name, column_name, extension_name, definition, scope) "
5751 : "VALUES ('gpkg_2d_gridded_coverage_ancillary', NULL, "
5752 : "'gpkg_2d_gridded_coverage', "
5753 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5754 : "'read-write')"
5755 : ";"
5756 : // Requirement 6 /gpkg-extensions
5757 : "INSERT INTO gpkg_extensions "
5758 : "(table_name, column_name, extension_name, definition, scope) "
5759 : "VALUES ('gpkg_2d_gridded_tile_ancillary', NULL, "
5760 : "'gpkg_2d_gridded_coverage', "
5761 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5762 : "'read-write')"
5763 40 : ";";
5764 : }
5765 :
5766 : // Requirement 6 /gpkg-extensions
5767 40 : char *pszSQL = sqlite3_mprintf(
5768 : "INSERT INTO gpkg_extensions "
5769 : "(table_name, column_name, extension_name, definition, scope) "
5770 : "VALUES ('%q', 'tile_data', "
5771 : "'gpkg_2d_gridded_coverage', "
5772 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5773 : "'read-write')",
5774 : m_osRasterTable.c_str());
5775 40 : osSQL += pszSQL;
5776 40 : osSQL += ";";
5777 40 : sqlite3_free(pszSQL);
5778 :
5779 : // Requirement 7 /gpkg-2d-gridded-coverage-ancillary
5780 : // Requirement 8 /gpkg-2d-gridded-coverage-ancillary-set-name
5781 : // Requirement 9 /gpkg-2d-gridded-coverage-ancillary-datatype
5782 40 : m_dfPrecision =
5783 40 : CPLAtof(CSLFetchNameValueDef(papszOptions, "PRECISION", "1"));
5784 : CPLString osGridCellEncoding(CSLFetchNameValueDef(
5785 80 : papszOptions, "GRID_CELL_ENCODING", "grid-value-is-center"));
5786 40 : m_bGridCellEncodingAsCO =
5787 40 : CSLFetchNameValue(papszOptions, "GRID_CELL_ENCODING") != nullptr;
5788 80 : CPLString osUom(CSLFetchNameValueDef(papszOptions, "UOM", ""));
5789 : CPLString osFieldName(
5790 80 : CSLFetchNameValueDef(papszOptions, "FIELD_NAME", "Height"));
5791 : CPLString osQuantityDefinition(
5792 80 : CSLFetchNameValueDef(papszOptions, "QUANTITY_DEFINITION", "Height"));
5793 :
5794 121 : pszSQL = sqlite3_mprintf(
5795 : "INSERT INTO gpkg_2d_gridded_coverage_ancillary "
5796 : "(tile_matrix_set_name, datatype, scale, offset, precision, "
5797 : "grid_cell_encoding, uom, field_name, quantity_definition) "
5798 : "VALUES (%Q, '%s', %.17g, %.17g, %.17g, %Q, %Q, %Q, %Q)",
5799 : m_osRasterTable.c_str(),
5800 40 : (m_eTF == GPKG_TF_PNG_16BIT) ? "integer" : "float", m_dfScale,
5801 : m_dfOffset, m_dfPrecision, osGridCellEncoding.c_str(),
5802 41 : osUom.empty() ? nullptr : osUom.c_str(), osFieldName.c_str(),
5803 : osQuantityDefinition.c_str());
5804 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary = pszSQL;
5805 40 : sqlite3_free(pszSQL);
5806 :
5807 : // Requirement 3 /gpkg-spatial-ref-sys-row
5808 : auto oResultTable = SQLQuery(
5809 80 : hDB, "SELECT * FROM gpkg_spatial_ref_sys WHERE srs_id = 4979 LIMIT 2");
5810 40 : bool bHasEPSG4979 = (oResultTable && oResultTable->RowCount() == 1);
5811 40 : if (!bHasEPSG4979)
5812 : {
5813 41 : if (!m_bHasDefinition12_063 &&
5814 1 : !ConvertGpkgSpatialRefSysToExtensionWkt2(/*bForceEpoch=*/false))
5815 : {
5816 0 : return false;
5817 : }
5818 :
5819 : // This is WKT 2...
5820 40 : const char *pszWKT =
5821 : "GEODCRS[\"WGS 84\","
5822 : "DATUM[\"World Geodetic System 1984\","
5823 : " ELLIPSOID[\"WGS 84\",6378137,298.257223563,"
5824 : "LENGTHUNIT[\"metre\",1.0]]],"
5825 : "CS[ellipsoidal,3],"
5826 : " AXIS[\"latitude\",north,ORDER[1],ANGLEUNIT[\"degree\","
5827 : "0.0174532925199433]],"
5828 : " AXIS[\"longitude\",east,ORDER[2],ANGLEUNIT[\"degree\","
5829 : "0.0174532925199433]],"
5830 : " AXIS[\"ellipsoidal height\",up,ORDER[3],"
5831 : "LENGTHUNIT[\"metre\",1.0]],"
5832 : "ID[\"EPSG\",4979]]";
5833 :
5834 40 : pszSQL = sqlite3_mprintf(
5835 : "INSERT INTO gpkg_spatial_ref_sys "
5836 : "(srs_name,srs_id,organization,organization_coordsys_id,"
5837 : "definition,definition_12_063) VALUES "
5838 : "('WGS 84 3D', 4979, 'EPSG', 4979, 'undefined', '%q')",
5839 : pszWKT);
5840 40 : osSQL += ";";
5841 40 : osSQL += pszSQL;
5842 40 : sqlite3_free(pszSQL);
5843 : }
5844 :
5845 40 : return SQLCommand(hDB, osSQL) == OGRERR_NONE;
5846 : }
5847 :
5848 : /************************************************************************/
5849 : /* HasGriddedCoverageAncillaryTable() */
5850 : /************************************************************************/
5851 :
5852 44 : bool GDALGeoPackageDataset::HasGriddedCoverageAncillaryTable()
5853 : {
5854 : auto oResultTable = SQLQuery(
5855 : hDB, "SELECT * FROM sqlite_master WHERE type IN ('table', 'view') AND "
5856 44 : "name = 'gpkg_2d_gridded_coverage_ancillary'");
5857 44 : bool bHasTable = (oResultTable && oResultTable->RowCount() == 1);
5858 88 : return bHasTable;
5859 : }
5860 :
5861 : /************************************************************************/
5862 : /* GetUnderlyingDataset() */
5863 : /************************************************************************/
5864 :
5865 3 : static GDALDataset *GetUnderlyingDataset(GDALDataset *poSrcDS)
5866 : {
5867 3 : if (auto poVRTDS = dynamic_cast<VRTDataset *>(poSrcDS))
5868 : {
5869 0 : auto poTmpDS = poVRTDS->GetSingleSimpleSource();
5870 0 : if (poTmpDS)
5871 0 : return poTmpDS;
5872 : }
5873 :
5874 3 : return poSrcDS;
5875 : }
5876 :
5877 : /************************************************************************/
5878 : /* CreateCopy() */
5879 : /************************************************************************/
5880 :
5881 : typedef struct
5882 : {
5883 : const char *pszName;
5884 : GDALResampleAlg eResampleAlg;
5885 : } WarpResamplingAlg;
5886 :
5887 : static const WarpResamplingAlg asResamplingAlg[] = {
5888 : {"NEAREST", GRA_NearestNeighbour},
5889 : {"BILINEAR", GRA_Bilinear},
5890 : {"CUBIC", GRA_Cubic},
5891 : {"CUBICSPLINE", GRA_CubicSpline},
5892 : {"LANCZOS", GRA_Lanczos},
5893 : {"MODE", GRA_Mode},
5894 : {"AVERAGE", GRA_Average},
5895 : {"RMS", GRA_RMS},
5896 : };
5897 :
5898 162 : GDALDataset *GDALGeoPackageDataset::CreateCopy(const char *pszFilename,
5899 : GDALDataset *poSrcDS,
5900 : int bStrict, char **papszOptions,
5901 : GDALProgressFunc pfnProgress,
5902 : void *pProgressData)
5903 : {
5904 162 : const int nBands = poSrcDS->GetRasterCount();
5905 162 : if (nBands == 0)
5906 : {
5907 2 : GDALDataset *poDS = nullptr;
5908 : GDALDriver *poThisDriver =
5909 2 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5910 2 : if (poThisDriver != nullptr)
5911 : {
5912 2 : poDS = poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS,
5913 : bStrict, papszOptions,
5914 : pfnProgress, pProgressData);
5915 : }
5916 2 : return poDS;
5917 : }
5918 :
5919 : const char *pszTilingScheme =
5920 160 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5921 :
5922 320 : CPLStringList apszUpdatedOptions(CSLDuplicate(papszOptions));
5923 160 : if (CPLTestBool(
5924 166 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")) &&
5925 6 : CSLFetchNameValue(papszOptions, "RASTER_TABLE") == nullptr)
5926 : {
5927 : const std::string osBasename(CPLGetBasenameSafe(
5928 6 : GetUnderlyingDataset(poSrcDS)->GetDescription()));
5929 3 : apszUpdatedOptions.SetNameValue("RASTER_TABLE", osBasename.c_str());
5930 : }
5931 :
5932 160 : if (nBands != 1 && nBands != 2 && nBands != 3 && nBands != 4)
5933 : {
5934 1 : CPLError(CE_Failure, CPLE_NotSupported,
5935 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), 3 (RGB) or "
5936 : "4 (RGBA) band dataset supported");
5937 1 : return nullptr;
5938 : }
5939 :
5940 159 : const char *pszUnitType = poSrcDS->GetRasterBand(1)->GetUnitType();
5941 318 : if (CSLFetchNameValue(papszOptions, "UOM") == nullptr && pszUnitType &&
5942 159 : !EQUAL(pszUnitType, ""))
5943 : {
5944 1 : apszUpdatedOptions.SetNameValue("UOM", pszUnitType);
5945 : }
5946 :
5947 159 : if (EQUAL(pszTilingScheme, "CUSTOM"))
5948 : {
5949 135 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5950 : {
5951 0 : CPLError(CE_Failure, CPLE_NotSupported,
5952 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5953 0 : return nullptr;
5954 : }
5955 :
5956 135 : GDALGeoPackageDataset *poDS = nullptr;
5957 : GDALDriver *poThisDriver =
5958 135 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5959 135 : if (poThisDriver != nullptr)
5960 : {
5961 135 : apszUpdatedOptions.SetNameValue("SKIP_HOLES", "YES");
5962 135 : poDS = cpl::down_cast<GDALGeoPackageDataset *>(
5963 : poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS, bStrict,
5964 : apszUpdatedOptions, pfnProgress,
5965 135 : pProgressData));
5966 :
5967 250 : if (poDS != nullptr &&
5968 135 : poSrcDS->GetRasterBand(1)->GetRasterDataType() == GDT_UInt8 &&
5969 : nBands <= 3)
5970 : {
5971 75 : poDS->m_nBandCountFromMetadata = nBands;
5972 75 : poDS->m_bMetadataDirty = true;
5973 : }
5974 : }
5975 135 : if (poDS)
5976 115 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
5977 135 : return poDS;
5978 : }
5979 :
5980 48 : const auto poTS = GetTilingScheme(pszTilingScheme);
5981 24 : if (!poTS)
5982 : {
5983 2 : return nullptr;
5984 : }
5985 22 : const int nEPSGCode = poTS->nEPSGCode;
5986 :
5987 44 : OGRSpatialReference oSRS;
5988 22 : if (oSRS.importFromEPSG(nEPSGCode) != OGRERR_NONE)
5989 : {
5990 0 : return nullptr;
5991 : }
5992 22 : char *pszWKT = nullptr;
5993 22 : oSRS.exportToWkt(&pszWKT);
5994 22 : char **papszTO = CSLSetNameValue(nullptr, "DST_SRS", pszWKT);
5995 :
5996 22 : void *hTransformArg = nullptr;
5997 :
5998 : // Hack to compensate for GDALSuggestedWarpOutput2() failure (or not
5999 : // ideal suggestion with PROJ 8) when reprojecting latitude = +/- 90 to
6000 : // EPSG:3857.
6001 22 : GDALGeoTransform srcGT;
6002 22 : std::unique_ptr<GDALDataset> poTmpDS;
6003 22 : bool bEPSG3857Adjust = false;
6004 8 : if (nEPSGCode == 3857 && poSrcDS->GetGeoTransform(srcGT) == CE_None &&
6005 30 : srcGT[2] == 0 && srcGT[4] == 0 && srcGT[5] < 0)
6006 : {
6007 8 : const auto poSrcSRS = poSrcDS->GetSpatialRef();
6008 8 : if (poSrcSRS && poSrcSRS->IsGeographic())
6009 : {
6010 2 : double maxLat = srcGT[3];
6011 2 : double minLat = srcGT[3] + poSrcDS->GetRasterYSize() * srcGT[5];
6012 : // Corresponds to the latitude of below MAX_GM
6013 2 : constexpr double MAX_LAT = 85.0511287798066;
6014 2 : bool bModified = false;
6015 2 : if (maxLat > MAX_LAT)
6016 : {
6017 2 : maxLat = MAX_LAT;
6018 2 : bModified = true;
6019 : }
6020 2 : if (minLat < -MAX_LAT)
6021 : {
6022 2 : minLat = -MAX_LAT;
6023 2 : bModified = true;
6024 : }
6025 2 : if (bModified)
6026 : {
6027 4 : CPLStringList aosOptions;
6028 2 : aosOptions.AddString("-of");
6029 2 : aosOptions.AddString("VRT");
6030 2 : aosOptions.AddString("-projwin");
6031 2 : aosOptions.AddString(CPLSPrintf("%.17g", srcGT[0]));
6032 2 : aosOptions.AddString(CPLSPrintf("%.17g", maxLat));
6033 : aosOptions.AddString(CPLSPrintf(
6034 2 : "%.17g", srcGT[0] + poSrcDS->GetRasterXSize() * srcGT[1]));
6035 2 : aosOptions.AddString(CPLSPrintf("%.17g", minLat));
6036 : auto psOptions =
6037 2 : GDALTranslateOptionsNew(aosOptions.List(), nullptr);
6038 2 : poTmpDS.reset(GDALDataset::FromHandle(GDALTranslate(
6039 : "", GDALDataset::ToHandle(poSrcDS), psOptions, nullptr)));
6040 2 : GDALTranslateOptionsFree(psOptions);
6041 2 : if (poTmpDS)
6042 : {
6043 2 : bEPSG3857Adjust = true;
6044 2 : hTransformArg = GDALCreateGenImgProjTransformer2(
6045 2 : GDALDataset::FromHandle(poTmpDS.get()), nullptr,
6046 : papszTO);
6047 : }
6048 : }
6049 : }
6050 : }
6051 22 : if (hTransformArg == nullptr)
6052 : {
6053 : hTransformArg =
6054 20 : GDALCreateGenImgProjTransformer2(poSrcDS, nullptr, papszTO);
6055 : }
6056 :
6057 22 : if (hTransformArg == nullptr)
6058 : {
6059 1 : CPLFree(pszWKT);
6060 1 : CSLDestroy(papszTO);
6061 1 : return nullptr;
6062 : }
6063 :
6064 21 : GDALTransformerInfo *psInfo =
6065 : static_cast<GDALTransformerInfo *>(hTransformArg);
6066 21 : GDALGeoTransform gt;
6067 : double adfExtent[4];
6068 : int nXSize, nYSize;
6069 :
6070 21 : if (GDALSuggestedWarpOutput2(poSrcDS, psInfo->pfnTransform, hTransformArg,
6071 : gt.data(), &nXSize, &nYSize, adfExtent,
6072 21 : 0) != CE_None)
6073 : {
6074 0 : CPLFree(pszWKT);
6075 0 : CSLDestroy(papszTO);
6076 0 : GDALDestroyGenImgProjTransformer(hTransformArg);
6077 0 : return nullptr;
6078 : }
6079 :
6080 21 : GDALDestroyGenImgProjTransformer(hTransformArg);
6081 21 : hTransformArg = nullptr;
6082 21 : poTmpDS.reset();
6083 :
6084 21 : if (bEPSG3857Adjust)
6085 : {
6086 2 : constexpr double SPHERICAL_RADIUS = 6378137.0;
6087 2 : constexpr double MAX_GM =
6088 : SPHERICAL_RADIUS * M_PI; // 20037508.342789244
6089 2 : double maxNorthing = gt[3];
6090 2 : double minNorthing = gt[3] + gt[5] * nYSize;
6091 2 : bool bChanged = false;
6092 2 : if (maxNorthing > MAX_GM)
6093 : {
6094 2 : bChanged = true;
6095 2 : maxNorthing = MAX_GM;
6096 : }
6097 2 : if (minNorthing < -MAX_GM)
6098 : {
6099 2 : bChanged = true;
6100 2 : minNorthing = -MAX_GM;
6101 : }
6102 2 : if (bChanged)
6103 : {
6104 2 : gt[3] = maxNorthing;
6105 2 : nYSize = int((maxNorthing - minNorthing) / (-gt[5]) + 0.5);
6106 2 : adfExtent[1] = maxNorthing + nYSize * gt[5];
6107 2 : adfExtent[3] = maxNorthing;
6108 : }
6109 : }
6110 :
6111 21 : double dfComputedRes = gt[1];
6112 21 : double dfPrevRes = 0.0;
6113 21 : double dfRes = 0.0;
6114 21 : int nZoomLevel = 0; // Used after for.
6115 21 : const char *pszZoomLevel = CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
6116 21 : if (pszZoomLevel)
6117 : {
6118 2 : nZoomLevel = atoi(pszZoomLevel);
6119 :
6120 2 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
6121 2 : while ((1 << nMaxZoomLevelForThisTM) >
6122 4 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
6123 2 : (1 << nMaxZoomLevelForThisTM) >
6124 2 : INT_MAX / poTS->nTileYCountZoomLevel0)
6125 : {
6126 0 : --nMaxZoomLevelForThisTM;
6127 : }
6128 :
6129 2 : if (nZoomLevel < 0 || nZoomLevel > nMaxZoomLevelForThisTM)
6130 : {
6131 1 : CPLError(CE_Failure, CPLE_AppDefined,
6132 : "ZOOM_LEVEL = %s is invalid. It should be in [0,%d] range",
6133 : pszZoomLevel, nMaxZoomLevelForThisTM);
6134 1 : CPLFree(pszWKT);
6135 1 : CSLDestroy(papszTO);
6136 1 : return nullptr;
6137 : }
6138 : }
6139 : else
6140 : {
6141 171 : for (; nZoomLevel < MAX_ZOOM_LEVEL; nZoomLevel++)
6142 : {
6143 171 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6144 171 : if (dfComputedRes > dfRes ||
6145 152 : fabs(dfComputedRes - dfRes) / dfRes <= 1e-8)
6146 : break;
6147 152 : dfPrevRes = dfRes;
6148 : }
6149 38 : if (nZoomLevel == MAX_ZOOM_LEVEL ||
6150 38 : (1 << nZoomLevel) > INT_MAX / poTS->nTileXCountZoomLevel0 ||
6151 19 : (1 << nZoomLevel) > INT_MAX / poTS->nTileYCountZoomLevel0)
6152 : {
6153 0 : CPLError(CE_Failure, CPLE_AppDefined,
6154 : "Could not find an appropriate zoom level");
6155 0 : CPLFree(pszWKT);
6156 0 : CSLDestroy(papszTO);
6157 0 : return nullptr;
6158 : }
6159 :
6160 19 : if (nZoomLevel > 0 && fabs(dfComputedRes - dfRes) / dfRes > 1e-8)
6161 : {
6162 17 : const char *pszZoomLevelStrategy = CSLFetchNameValueDef(
6163 : papszOptions, "ZOOM_LEVEL_STRATEGY", "AUTO");
6164 17 : if (EQUAL(pszZoomLevelStrategy, "LOWER"))
6165 : {
6166 1 : nZoomLevel--;
6167 : }
6168 16 : else if (EQUAL(pszZoomLevelStrategy, "UPPER"))
6169 : {
6170 : /* do nothing */
6171 : }
6172 : else
6173 : {
6174 15 : if (dfPrevRes / dfComputedRes < dfComputedRes / dfRes)
6175 13 : nZoomLevel--;
6176 : }
6177 : }
6178 : }
6179 :
6180 20 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6181 :
6182 20 : double dfMinX = adfExtent[0];
6183 20 : double dfMinY = adfExtent[1];
6184 20 : double dfMaxX = adfExtent[2];
6185 20 : double dfMaxY = adfExtent[3];
6186 :
6187 20 : nXSize = static_cast<int>(0.5 + (dfMaxX - dfMinX) / dfRes);
6188 20 : nYSize = static_cast<int>(0.5 + (dfMaxY - dfMinY) / dfRes);
6189 20 : gt[1] = dfRes;
6190 20 : gt[5] = -dfRes;
6191 :
6192 20 : const GDALDataType eDT = poSrcDS->GetRasterBand(1)->GetRasterDataType();
6193 20 : int nTargetBands = nBands;
6194 : /* For grey level or RGB, if there's reprojection involved, add an alpha */
6195 : /* channel */
6196 37 : if (eDT == GDT_UInt8 &&
6197 13 : ((nBands == 1 &&
6198 17 : poSrcDS->GetRasterBand(1)->GetColorTable() == nullptr) ||
6199 : nBands == 3))
6200 : {
6201 30 : OGRSpatialReference oSrcSRS;
6202 15 : oSrcSRS.SetFromUserInput(poSrcDS->GetProjectionRef());
6203 15 : oSrcSRS.AutoIdentifyEPSG();
6204 30 : if (oSrcSRS.GetAuthorityCode(nullptr) == nullptr ||
6205 15 : atoi(oSrcSRS.GetAuthorityCode(nullptr)) != nEPSGCode)
6206 : {
6207 13 : nTargetBands++;
6208 : }
6209 : }
6210 :
6211 20 : GDALResampleAlg eResampleAlg = GRA_Bilinear;
6212 20 : const char *pszResampling = CSLFetchNameValue(papszOptions, "RESAMPLING");
6213 20 : if (pszResampling)
6214 : {
6215 6 : for (size_t iAlg = 0;
6216 6 : iAlg < sizeof(asResamplingAlg) / sizeof(asResamplingAlg[0]);
6217 : iAlg++)
6218 : {
6219 6 : if (EQUAL(pszResampling, asResamplingAlg[iAlg].pszName))
6220 : {
6221 3 : eResampleAlg = asResamplingAlg[iAlg].eResampleAlg;
6222 3 : break;
6223 : }
6224 : }
6225 : }
6226 :
6227 16 : if (nBands == 1 && poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr &&
6228 36 : eResampleAlg != GRA_NearestNeighbour && eResampleAlg != GRA_Mode)
6229 : {
6230 0 : CPLError(
6231 : CE_Warning, CPLE_AppDefined,
6232 : "Input dataset has a color table, which will likely lead to "
6233 : "bad results when using a resampling method other than "
6234 : "nearest neighbour or mode. Converting the dataset to 24/32 bit "
6235 : "(e.g. with gdal_translate -expand rgb/rgba) is advised.");
6236 : }
6237 :
6238 40 : auto poDS = std::make_unique<GDALGeoPackageDataset>();
6239 20 : if (!(poDS->Create(pszFilename, nXSize, nYSize, nTargetBands, eDT,
6240 : apszUpdatedOptions)))
6241 : {
6242 1 : CPLFree(pszWKT);
6243 1 : CSLDestroy(papszTO);
6244 1 : return nullptr;
6245 : }
6246 :
6247 : // Assign nodata values before the SetGeoTransform call.
6248 : // SetGeoTransform will trigger creation of the overview datasets for each
6249 : // zoom level and at that point the nodata value needs to be known.
6250 19 : int bHasNoData = FALSE;
6251 : double dfNoDataValue =
6252 19 : poSrcDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
6253 19 : if (eDT != GDT_UInt8 && bHasNoData)
6254 : {
6255 3 : poDS->GetRasterBand(1)->SetNoDataValue(dfNoDataValue);
6256 : }
6257 :
6258 19 : poDS->SetGeoTransform(gt);
6259 19 : poDS->SetProjection(pszWKT);
6260 19 : CPLFree(pszWKT);
6261 19 : pszWKT = nullptr;
6262 24 : if (nTargetBands == 1 && nBands == 1 &&
6263 5 : poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr)
6264 : {
6265 2 : poDS->GetRasterBand(1)->SetColorTable(
6266 1 : poSrcDS->GetRasterBand(1)->GetColorTable());
6267 : }
6268 :
6269 : hTransformArg =
6270 19 : GDALCreateGenImgProjTransformer2(poSrcDS, poDS.get(), papszTO);
6271 19 : CSLDestroy(papszTO);
6272 19 : if (hTransformArg == nullptr)
6273 : {
6274 0 : return nullptr;
6275 : }
6276 :
6277 19 : poDS->SetMetadata(poSrcDS->GetMetadata());
6278 :
6279 : /* -------------------------------------------------------------------- */
6280 : /* Warp the transformer with a linear approximator */
6281 : /* -------------------------------------------------------------------- */
6282 19 : hTransformArg = GDALCreateApproxTransformer(GDALGenImgProjTransform,
6283 : hTransformArg, 0.125);
6284 19 : GDALApproxTransformerOwnsSubtransformer(hTransformArg, TRUE);
6285 :
6286 : /* -------------------------------------------------------------------- */
6287 : /* Setup warp options. */
6288 : /* -------------------------------------------------------------------- */
6289 19 : GDALWarpOptions *psWO = GDALCreateWarpOptions();
6290 :
6291 19 : psWO->papszWarpOptions = CSLSetNameValue(nullptr, "OPTIMIZE_SIZE", "YES");
6292 19 : psWO->papszWarpOptions =
6293 19 : CSLSetNameValue(psWO->papszWarpOptions, "SAMPLE_GRID", "YES");
6294 19 : if (bHasNoData)
6295 : {
6296 3 : if (dfNoDataValue == 0.0)
6297 : {
6298 : // Do not initialize in the case where nodata != 0, since we
6299 : // want the GeoPackage driver to return empty tiles at the nodata
6300 : // value instead of 0 as GDAL core would
6301 0 : psWO->papszWarpOptions =
6302 0 : CSLSetNameValue(psWO->papszWarpOptions, "INIT_DEST", "0");
6303 : }
6304 :
6305 3 : psWO->padfSrcNoDataReal =
6306 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6307 3 : psWO->padfSrcNoDataReal[0] = dfNoDataValue;
6308 :
6309 3 : psWO->padfDstNoDataReal =
6310 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6311 3 : psWO->padfDstNoDataReal[0] = dfNoDataValue;
6312 : }
6313 19 : psWO->eWorkingDataType = eDT;
6314 19 : psWO->eResampleAlg = eResampleAlg;
6315 :
6316 19 : psWO->hSrcDS = poSrcDS;
6317 19 : psWO->hDstDS = poDS.get();
6318 :
6319 19 : psWO->pfnTransformer = GDALApproxTransform;
6320 19 : psWO->pTransformerArg = hTransformArg;
6321 :
6322 19 : psWO->pfnProgress = pfnProgress;
6323 19 : psWO->pProgressArg = pProgressData;
6324 :
6325 : /* -------------------------------------------------------------------- */
6326 : /* Setup band mapping. */
6327 : /* -------------------------------------------------------------------- */
6328 :
6329 19 : if (nBands == 2 || nBands == 4)
6330 1 : psWO->nBandCount = nBands - 1;
6331 : else
6332 18 : psWO->nBandCount = nBands;
6333 :
6334 19 : psWO->panSrcBands =
6335 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6336 19 : psWO->panDstBands =
6337 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6338 :
6339 46 : for (int i = 0; i < psWO->nBandCount; i++)
6340 : {
6341 27 : psWO->panSrcBands[i] = i + 1;
6342 27 : psWO->panDstBands[i] = i + 1;
6343 : }
6344 :
6345 19 : if (nBands == 2 || nBands == 4)
6346 : {
6347 1 : psWO->nSrcAlphaBand = nBands;
6348 : }
6349 19 : if (nTargetBands == 2 || nTargetBands == 4)
6350 : {
6351 13 : psWO->nDstAlphaBand = nTargetBands;
6352 : }
6353 :
6354 : /* -------------------------------------------------------------------- */
6355 : /* Initialize and execute the warp. */
6356 : /* -------------------------------------------------------------------- */
6357 38 : GDALWarpOperation oWO;
6358 :
6359 19 : CPLErr eErr = oWO.Initialize(psWO);
6360 19 : if (eErr == CE_None)
6361 : {
6362 : /*if( bMulti )
6363 : eErr = oWO.ChunkAndWarpMulti( 0, 0, nXSize, nYSize );
6364 : else*/
6365 19 : eErr = oWO.ChunkAndWarpImage(0, 0, nXSize, nYSize);
6366 : }
6367 19 : if (eErr != CE_None)
6368 : {
6369 0 : poDS.reset();
6370 : }
6371 :
6372 19 : GDALDestroyTransformer(hTransformArg);
6373 19 : GDALDestroyWarpOptions(psWO);
6374 :
6375 19 : if (poDS)
6376 19 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
6377 :
6378 19 : return poDS.release();
6379 : }
6380 :
6381 : /************************************************************************/
6382 : /* ParseCompressionOptions() */
6383 : /************************************************************************/
6384 :
6385 459 : void GDALGeoPackageDataset::ParseCompressionOptions(char **papszOptions)
6386 : {
6387 459 : const char *pszZLevel = CSLFetchNameValue(papszOptions, "ZLEVEL");
6388 459 : if (pszZLevel)
6389 0 : m_nZLevel = atoi(pszZLevel);
6390 :
6391 459 : const char *pszQuality = CSLFetchNameValue(papszOptions, "QUALITY");
6392 459 : if (pszQuality)
6393 0 : m_nQuality = atoi(pszQuality);
6394 :
6395 459 : const char *pszDither = CSLFetchNameValue(papszOptions, "DITHER");
6396 459 : if (pszDither)
6397 0 : m_bDither = CPLTestBool(pszDither);
6398 459 : }
6399 :
6400 : /************************************************************************/
6401 : /* RegisterWebPExtension() */
6402 : /************************************************************************/
6403 :
6404 11 : bool GDALGeoPackageDataset::RegisterWebPExtension()
6405 : {
6406 11 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6407 0 : return false;
6408 :
6409 11 : char *pszSQL = sqlite3_mprintf(
6410 : "INSERT INTO gpkg_extensions "
6411 : "(table_name, column_name, extension_name, definition, scope) "
6412 : "VALUES "
6413 : "('%q', 'tile_data', 'gpkg_webp', "
6414 : "'http://www.geopackage.org/spec120/#extension_tiles_webp', "
6415 : "'read-write')",
6416 : m_osRasterTable.c_str());
6417 11 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6418 11 : sqlite3_free(pszSQL);
6419 :
6420 11 : return OGRERR_NONE == eErr;
6421 : }
6422 :
6423 : /************************************************************************/
6424 : /* RegisterZoomOtherExtension() */
6425 : /************************************************************************/
6426 :
6427 1 : bool GDALGeoPackageDataset::RegisterZoomOtherExtension()
6428 : {
6429 1 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6430 0 : return false;
6431 :
6432 1 : char *pszSQL = sqlite3_mprintf(
6433 : "INSERT INTO gpkg_extensions "
6434 : "(table_name, column_name, extension_name, definition, scope) "
6435 : "VALUES "
6436 : "('%q', 'tile_data', 'gpkg_zoom_other', "
6437 : "'http://www.geopackage.org/spec120/#extension_zoom_other_intervals', "
6438 : "'read-write')",
6439 : m_osRasterTable.c_str());
6440 1 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6441 1 : sqlite3_free(pszSQL);
6442 1 : return OGRERR_NONE == eErr;
6443 : }
6444 :
6445 : /************************************************************************/
6446 : /* GetLayer() */
6447 : /************************************************************************/
6448 :
6449 16013 : const OGRLayer *GDALGeoPackageDataset::GetLayer(int iLayer) const
6450 :
6451 : {
6452 16013 : if (iLayer < 0 || iLayer >= static_cast<int>(m_apoLayers.size()))
6453 7 : return nullptr;
6454 : else
6455 16006 : return m_apoLayers[iLayer].get();
6456 : }
6457 :
6458 : /************************************************************************/
6459 : /* LaunderName() */
6460 : /************************************************************************/
6461 :
6462 : /** Launder identifiers (table, column names) according to guidance at
6463 : * https://www.geopackage.org/guidance/getting-started.html:
6464 : * "For maximum interoperability, start your database identifiers (table names,
6465 : * column names, etc.) with a lowercase character and only use lowercase
6466 : * characters, numbers 0-9, and underscores (_)."
6467 : */
6468 :
6469 : /* static */
6470 5 : std::string GDALGeoPackageDataset::LaunderName(const std::string &osStr)
6471 : {
6472 5 : char *pszASCII = CPLUTF8ForceToASCII(osStr.c_str(), '_');
6473 10 : const std::string osStrASCII(pszASCII);
6474 5 : CPLFree(pszASCII);
6475 :
6476 10 : std::string osRet;
6477 5 : osRet.reserve(osStrASCII.size());
6478 :
6479 29 : for (size_t i = 0; i < osStrASCII.size(); ++i)
6480 : {
6481 24 : if (osRet.empty())
6482 : {
6483 5 : if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6484 : {
6485 2 : osRet += (osStrASCII[i] - 'A' + 'a');
6486 : }
6487 3 : else if (osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z')
6488 : {
6489 2 : osRet += osStrASCII[i];
6490 : }
6491 : else
6492 : {
6493 1 : continue;
6494 : }
6495 : }
6496 19 : else if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6497 : {
6498 11 : osRet += (osStrASCII[i] - 'A' + 'a');
6499 : }
6500 9 : else if ((osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z') ||
6501 14 : (osStrASCII[i] >= '0' && osStrASCII[i] <= '9') ||
6502 5 : osStrASCII[i] == '_')
6503 : {
6504 7 : osRet += osStrASCII[i];
6505 : }
6506 : else
6507 : {
6508 1 : osRet += '_';
6509 : }
6510 : }
6511 :
6512 5 : if (osRet.empty() && !osStrASCII.empty())
6513 2 : return LaunderName(std::string("x").append(osStrASCII));
6514 :
6515 4 : if (osRet != osStr)
6516 : {
6517 3 : CPLDebug("PG", "LaunderName('%s') -> '%s'", osStr.c_str(),
6518 : osRet.c_str());
6519 : }
6520 :
6521 4 : return osRet;
6522 : }
6523 :
6524 : /************************************************************************/
6525 : /* ICreateLayer() */
6526 : /************************************************************************/
6527 :
6528 : OGRLayer *
6529 871 : GDALGeoPackageDataset::ICreateLayer(const char *pszLayerName,
6530 : const OGRGeomFieldDefn *poSrcGeomFieldDefn,
6531 : CSLConstList papszOptions)
6532 : {
6533 : /* -------------------------------------------------------------------- */
6534 : /* Verify we are in update mode. */
6535 : /* -------------------------------------------------------------------- */
6536 871 : if (!GetUpdate())
6537 : {
6538 0 : CPLError(CE_Failure, CPLE_NoWriteAccess,
6539 : "Data source %s opened read-only.\n"
6540 : "New layer %s cannot be created.\n",
6541 : m_pszFilename, pszLayerName);
6542 :
6543 0 : return nullptr;
6544 : }
6545 :
6546 : const bool bLaunder =
6547 871 : CPLTestBool(CSLFetchNameValueDef(papszOptions, "LAUNDER", "NO"));
6548 : const std::string osTableName(bLaunder ? LaunderName(pszLayerName)
6549 2613 : : std::string(pszLayerName));
6550 :
6551 : const auto eGType =
6552 871 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetType() : wkbNone;
6553 : const auto poSpatialRef =
6554 871 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetSpatialRef() : nullptr;
6555 :
6556 871 : if (!m_bHasGPKGGeometryColumns)
6557 : {
6558 1 : if (SQLCommand(hDB, pszCREATE_GPKG_GEOMETRY_COLUMNS) != OGRERR_NONE)
6559 : {
6560 0 : return nullptr;
6561 : }
6562 1 : m_bHasGPKGGeometryColumns = true;
6563 : }
6564 :
6565 : // Check identifier unicity
6566 871 : const char *pszIdentifier = CSLFetchNameValue(papszOptions, "IDENTIFIER");
6567 871 : if (pszIdentifier != nullptr && pszIdentifier[0] == '\0')
6568 0 : pszIdentifier = nullptr;
6569 871 : if (pszIdentifier != nullptr)
6570 : {
6571 13 : for (auto &poLayer : m_apoLayers)
6572 : {
6573 : const char *pszOtherIdentifier =
6574 9 : poLayer->GetMetadataItem("IDENTIFIER");
6575 9 : if (pszOtherIdentifier == nullptr)
6576 6 : pszOtherIdentifier = poLayer->GetName();
6577 18 : if (pszOtherIdentifier != nullptr &&
6578 12 : EQUAL(pszOtherIdentifier, pszIdentifier) &&
6579 3 : !EQUAL(poLayer->GetName(), osTableName.c_str()))
6580 : {
6581 2 : CPLError(CE_Failure, CPLE_AppDefined,
6582 : "Identifier %s is already used by table %s",
6583 : pszIdentifier, poLayer->GetName());
6584 2 : return nullptr;
6585 : }
6586 : }
6587 :
6588 : // In case there would be table in gpkg_contents not listed as a
6589 : // vector layer
6590 4 : char *pszSQL = sqlite3_mprintf(
6591 : "SELECT table_name FROM gpkg_contents WHERE identifier = '%q' "
6592 : "LIMIT 2",
6593 : pszIdentifier);
6594 4 : auto oResult = SQLQuery(hDB, pszSQL);
6595 4 : sqlite3_free(pszSQL);
6596 8 : if (oResult && oResult->RowCount() > 0 &&
6597 9 : oResult->GetValue(0, 0) != nullptr &&
6598 1 : !EQUAL(oResult->GetValue(0, 0), osTableName.c_str()))
6599 : {
6600 1 : CPLError(CE_Failure, CPLE_AppDefined,
6601 : "Identifier %s is already used by table %s", pszIdentifier,
6602 : oResult->GetValue(0, 0));
6603 1 : return nullptr;
6604 : }
6605 : }
6606 :
6607 : /* Read GEOMETRY_NAME option */
6608 : const char *pszGeomColumnName =
6609 868 : CSLFetchNameValue(papszOptions, "GEOMETRY_NAME");
6610 868 : if (pszGeomColumnName == nullptr) /* deprecated name */
6611 782 : pszGeomColumnName = CSLFetchNameValue(papszOptions, "GEOMETRY_COLUMN");
6612 868 : if (pszGeomColumnName == nullptr && poSrcGeomFieldDefn)
6613 : {
6614 704 : pszGeomColumnName = poSrcGeomFieldDefn->GetNameRef();
6615 704 : if (pszGeomColumnName && pszGeomColumnName[0] == 0)
6616 700 : pszGeomColumnName = nullptr;
6617 : }
6618 868 : if (pszGeomColumnName == nullptr)
6619 778 : pszGeomColumnName = "geom";
6620 : const bool bGeomNullable =
6621 868 : CPLFetchBool(papszOptions, "GEOMETRY_NULLABLE", true);
6622 :
6623 : /* Read FID option */
6624 868 : const char *pszFIDColumnName = CSLFetchNameValue(papszOptions, "FID");
6625 868 : if (pszFIDColumnName == nullptr)
6626 789 : pszFIDColumnName = "fid";
6627 :
6628 868 : if (CPLTestBool(CPLGetConfigOption("GPKG_NAME_CHECK", "YES")))
6629 : {
6630 868 : if (strspn(pszFIDColumnName, "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") > 0)
6631 : {
6632 2 : CPLError(CE_Failure, CPLE_AppDefined,
6633 : "The primary key (%s) name may not contain special "
6634 : "characters or spaces",
6635 : pszFIDColumnName);
6636 2 : return nullptr;
6637 : }
6638 :
6639 : /* Avoiding gpkg prefixes is not an official requirement, but seems wise
6640 : */
6641 866 : if (STARTS_WITH(osTableName.c_str(), "gpkg"))
6642 : {
6643 0 : CPLError(CE_Failure, CPLE_AppDefined,
6644 : "The layer name may not begin with 'gpkg' as it is a "
6645 : "reserved geopackage prefix");
6646 0 : return nullptr;
6647 : }
6648 :
6649 : /* Preemptively try and avoid sqlite3 syntax errors due to */
6650 : /* illegal characters. */
6651 866 : if (strspn(osTableName.c_str(), "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") >
6652 : 0)
6653 : {
6654 0 : CPLError(
6655 : CE_Failure, CPLE_AppDefined,
6656 : "The layer name may not contain special characters or spaces");
6657 0 : return nullptr;
6658 : }
6659 : }
6660 :
6661 : /* Check for any existing layers that already use this name */
6662 1074 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6663 : iLayer++)
6664 : {
6665 209 : if (EQUAL(osTableName.c_str(), m_apoLayers[iLayer]->GetName()))
6666 : {
6667 : const char *pszOverwrite =
6668 2 : CSLFetchNameValue(papszOptions, "OVERWRITE");
6669 2 : if (pszOverwrite != nullptr && CPLTestBool(pszOverwrite))
6670 : {
6671 1 : DeleteLayer(iLayer);
6672 : }
6673 : else
6674 : {
6675 1 : CPLError(CE_Failure, CPLE_AppDefined,
6676 : "Layer %s already exists, CreateLayer failed.\n"
6677 : "Use the layer creation option OVERWRITE=YES to "
6678 : "replace it.",
6679 : osTableName.c_str());
6680 1 : return nullptr;
6681 : }
6682 : }
6683 : }
6684 :
6685 865 : if (m_apoLayers.size() == 1)
6686 : {
6687 : // Async RTree building doesn't play well with multiple layer:
6688 : // SQLite3 locks being hold for a long time, random failed commits,
6689 : // etc.
6690 82 : m_apoLayers[0]->FinishOrDisableThreadedRTree();
6691 : }
6692 :
6693 : /* Create a blank layer. */
6694 : auto poLayer =
6695 1730 : std::make_unique<OGRGeoPackageTableLayer>(this, osTableName.c_str());
6696 :
6697 865 : OGRSpatialReference *poSRS = nullptr;
6698 865 : if (poSpatialRef)
6699 : {
6700 256 : poSRS = poSpatialRef->Clone();
6701 256 : poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
6702 : }
6703 1731 : poLayer->SetCreationParameters(
6704 : eGType,
6705 866 : bLaunder ? LaunderName(pszGeomColumnName).c_str() : pszGeomColumnName,
6706 : bGeomNullable, poSRS, CSLFetchNameValue(papszOptions, "SRID"),
6707 1730 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetCoordinatePrecision()
6708 : : OGRGeomCoordinatePrecision(),
6709 865 : CPLTestBool(
6710 : CSLFetchNameValueDef(papszOptions, "DISCARD_COORD_LSB", "NO")),
6711 865 : CPLTestBool(CSLFetchNameValueDef(
6712 : papszOptions, "UNDO_DISCARD_COORD_LSB_ON_READING", "NO")),
6713 866 : bLaunder ? LaunderName(pszFIDColumnName).c_str() : pszFIDColumnName,
6714 : pszIdentifier, CSLFetchNameValue(papszOptions, "DESCRIPTION"));
6715 865 : if (poSRS)
6716 : {
6717 256 : poSRS->Release();
6718 : }
6719 :
6720 865 : poLayer->SetLaunder(bLaunder);
6721 :
6722 : /* Should we create a spatial index ? */
6723 865 : const char *pszSI = CSLFetchNameValue(papszOptions, "SPATIAL_INDEX");
6724 865 : int bCreateSpatialIndex = (pszSI == nullptr || CPLTestBool(pszSI));
6725 865 : if (eGType != wkbNone && bCreateSpatialIndex)
6726 : {
6727 765 : poLayer->SetDeferredSpatialIndexCreation(true);
6728 : }
6729 :
6730 865 : poLayer->SetPrecisionFlag(CPLFetchBool(papszOptions, "PRECISION", true));
6731 865 : poLayer->SetTruncateFieldsFlag(
6732 865 : CPLFetchBool(papszOptions, "TRUNCATE_FIELDS", false));
6733 865 : if (eGType == wkbNone)
6734 : {
6735 78 : const char *pszASpatialVariant = CSLFetchNameValueDef(
6736 : papszOptions, "ASPATIAL_VARIANT",
6737 78 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound
6738 : ? "NOT_REGISTERED"
6739 : : "GPKG_ATTRIBUTES");
6740 78 : GPKGASpatialVariant eASpatialVariant = GPKG_ATTRIBUTES;
6741 78 : if (EQUAL(pszASpatialVariant, "GPKG_ATTRIBUTES"))
6742 66 : eASpatialVariant = GPKG_ATTRIBUTES;
6743 12 : else if (EQUAL(pszASpatialVariant, "OGR_ASPATIAL"))
6744 : {
6745 0 : CPLError(CE_Failure, CPLE_NotSupported,
6746 : "ASPATIAL_VARIANT=OGR_ASPATIAL is no longer supported");
6747 0 : return nullptr;
6748 : }
6749 12 : else if (EQUAL(pszASpatialVariant, "NOT_REGISTERED"))
6750 12 : eASpatialVariant = NOT_REGISTERED;
6751 : else
6752 : {
6753 0 : CPLError(CE_Failure, CPLE_NotSupported,
6754 : "Unsupported value for ASPATIAL_VARIANT: %s",
6755 : pszASpatialVariant);
6756 0 : return nullptr;
6757 : }
6758 78 : poLayer->SetASpatialVariant(eASpatialVariant);
6759 : }
6760 :
6761 : const char *pszDateTimePrecision =
6762 865 : CSLFetchNameValueDef(papszOptions, "DATETIME_PRECISION", "AUTO");
6763 865 : if (EQUAL(pszDateTimePrecision, "MILLISECOND"))
6764 : {
6765 2 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6766 : }
6767 863 : else if (EQUAL(pszDateTimePrecision, "SECOND"))
6768 : {
6769 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6770 0 : CPLError(
6771 : CE_Warning, CPLE_AppDefined,
6772 : "DATETIME_PRECISION=SECOND is only valid since GeoPackage 1.4");
6773 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::SECOND);
6774 : }
6775 862 : else if (EQUAL(pszDateTimePrecision, "MINUTE"))
6776 : {
6777 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6778 0 : CPLError(
6779 : CE_Warning, CPLE_AppDefined,
6780 : "DATETIME_PRECISION=MINUTE is only valid since GeoPackage 1.4");
6781 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MINUTE);
6782 : }
6783 861 : else if (EQUAL(pszDateTimePrecision, "AUTO"))
6784 : {
6785 860 : if (m_nUserVersion < GPKG_1_4_VERSION)
6786 13 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6787 : }
6788 : else
6789 : {
6790 1 : CPLError(CE_Failure, CPLE_NotSupported,
6791 : "Unsupported value for DATETIME_PRECISION: %s",
6792 : pszDateTimePrecision);
6793 1 : return nullptr;
6794 : }
6795 :
6796 : // If there was an ogr_empty_table table, we can remove it
6797 : // But do it at dataset closing, otherwise locking performance issues
6798 : // can arise (probably when transactions are used).
6799 864 : m_bRemoveOGREmptyTable = true;
6800 :
6801 864 : m_apoLayers.emplace_back(std::move(poLayer));
6802 864 : return m_apoLayers.back().get();
6803 : }
6804 :
6805 : /************************************************************************/
6806 : /* FindLayerIndex() */
6807 : /************************************************************************/
6808 :
6809 27 : int GDALGeoPackageDataset::FindLayerIndex(const char *pszLayerName)
6810 :
6811 : {
6812 42 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6813 : iLayer++)
6814 : {
6815 28 : if (EQUAL(pszLayerName, m_apoLayers[iLayer]->GetName()))
6816 13 : return iLayer;
6817 : }
6818 14 : return -1;
6819 : }
6820 :
6821 : /************************************************************************/
6822 : /* DeleteLayerCommon() */
6823 : /************************************************************************/
6824 :
6825 42 : OGRErr GDALGeoPackageDataset::DeleteLayerCommon(const char *pszLayerName)
6826 : {
6827 : // Temporary remove foreign key checks
6828 : const GPKGTemporaryForeignKeyCheckDisabler
6829 42 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6830 :
6831 42 : char *pszSQL = sqlite3_mprintf(
6832 : "DELETE FROM gpkg_contents WHERE lower(table_name) = lower('%q')",
6833 : pszLayerName);
6834 42 : OGRErr eErr = SQLCommand(hDB, pszSQL);
6835 42 : sqlite3_free(pszSQL);
6836 :
6837 42 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6838 : {
6839 40 : pszSQL = sqlite3_mprintf(
6840 : "DELETE FROM gpkg_extensions WHERE lower(table_name) = lower('%q')",
6841 : pszLayerName);
6842 40 : eErr = SQLCommand(hDB, pszSQL);
6843 40 : sqlite3_free(pszSQL);
6844 : }
6845 :
6846 42 : if (eErr == OGRERR_NONE && HasMetadataTables())
6847 : {
6848 : // Delete from gpkg_metadata metadata records that are only referenced
6849 : // by the table we are about to drop
6850 12 : pszSQL = sqlite3_mprintf(
6851 : "DELETE FROM gpkg_metadata WHERE id IN ("
6852 : "SELECT DISTINCT md_file_id FROM "
6853 : "gpkg_metadata_reference WHERE "
6854 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6855 : "AND id NOT IN ("
6856 : "SELECT DISTINCT md_file_id FROM gpkg_metadata_reference WHERE "
6857 : "md_file_id IN (SELECT DISTINCT md_file_id FROM "
6858 : "gpkg_metadata_reference WHERE "
6859 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6860 : "AND lower(table_name) <> lower('%q'))",
6861 : pszLayerName, pszLayerName, pszLayerName);
6862 12 : eErr = SQLCommand(hDB, pszSQL);
6863 12 : sqlite3_free(pszSQL);
6864 :
6865 12 : if (eErr == OGRERR_NONE)
6866 : {
6867 : pszSQL =
6868 12 : sqlite3_mprintf("DELETE FROM gpkg_metadata_reference WHERE "
6869 : "lower(table_name) = lower('%q')",
6870 : pszLayerName);
6871 12 : eErr = SQLCommand(hDB, pszSQL);
6872 12 : sqlite3_free(pszSQL);
6873 : }
6874 : }
6875 :
6876 42 : if (eErr == OGRERR_NONE && HasGpkgextRelationsTable())
6877 : {
6878 : // Remove reference to potential corresponding mapping table in
6879 : // gpkg_extensions
6880 4 : pszSQL = sqlite3_mprintf(
6881 : "DELETE FROM gpkg_extensions WHERE "
6882 : "extension_name IN ('related_tables', "
6883 : "'gpkg_related_tables') AND lower(table_name) = "
6884 : "(SELECT lower(mapping_table_name) FROM gpkgext_relations WHERE "
6885 : "lower(base_table_name) = lower('%q') OR "
6886 : "lower(related_table_name) = lower('%q') OR "
6887 : "lower(mapping_table_name) = lower('%q'))",
6888 : pszLayerName, pszLayerName, pszLayerName);
6889 4 : eErr = SQLCommand(hDB, pszSQL);
6890 4 : sqlite3_free(pszSQL);
6891 :
6892 4 : if (eErr == OGRERR_NONE)
6893 : {
6894 : // Remove reference to potential corresponding mapping table in
6895 : // gpkgext_relations
6896 : pszSQL =
6897 4 : sqlite3_mprintf("DELETE FROM gpkgext_relations WHERE "
6898 : "lower(base_table_name) = lower('%q') OR "
6899 : "lower(related_table_name) = lower('%q') OR "
6900 : "lower(mapping_table_name) = lower('%q')",
6901 : pszLayerName, pszLayerName, pszLayerName);
6902 4 : eErr = SQLCommand(hDB, pszSQL);
6903 4 : sqlite3_free(pszSQL);
6904 : }
6905 :
6906 4 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6907 : {
6908 : // If there is no longer any mapping table, then completely
6909 : // remove any reference to the extension in gpkg_extensions
6910 : // as mandated per the related table specification.
6911 : OGRErr err;
6912 4 : if (SQLGetInteger(hDB,
6913 : "SELECT COUNT(*) FROM gpkg_extensions WHERE "
6914 : "extension_name IN ('related_tables', "
6915 : "'gpkg_related_tables') AND "
6916 : "lower(table_name) != 'gpkgext_relations'",
6917 4 : &err) == 0)
6918 : {
6919 2 : eErr = SQLCommand(hDB, "DELETE FROM gpkg_extensions WHERE "
6920 : "extension_name IN ('related_tables', "
6921 : "'gpkg_related_tables')");
6922 : }
6923 :
6924 4 : ClearCachedRelationships();
6925 : }
6926 : }
6927 :
6928 42 : if (eErr == OGRERR_NONE)
6929 : {
6930 42 : pszSQL = sqlite3_mprintf("DROP TABLE \"%w\"", pszLayerName);
6931 42 : eErr = SQLCommand(hDB, pszSQL);
6932 42 : sqlite3_free(pszSQL);
6933 : }
6934 :
6935 : // Check foreign key integrity
6936 42 : if (eErr == OGRERR_NONE)
6937 : {
6938 42 : eErr = PragmaCheck("foreign_key_check", "", 0);
6939 : }
6940 :
6941 84 : return eErr;
6942 : }
6943 :
6944 : /************************************************************************/
6945 : /* DeleteLayer() */
6946 : /************************************************************************/
6947 :
6948 39 : OGRErr GDALGeoPackageDataset::DeleteLayer(int iLayer)
6949 : {
6950 77 : if (!GetUpdate() || iLayer < 0 ||
6951 38 : iLayer >= static_cast<int>(m_apoLayers.size()))
6952 2 : return OGRERR_FAILURE;
6953 :
6954 37 : m_apoLayers[iLayer]->ResetReading();
6955 37 : m_apoLayers[iLayer]->SyncToDisk();
6956 :
6957 74 : CPLString osLayerName = m_apoLayers[iLayer]->GetName();
6958 :
6959 37 : CPLDebug("GPKG", "DeleteLayer(%s)", osLayerName.c_str());
6960 :
6961 : // Temporary remove foreign key checks
6962 : const GPKGTemporaryForeignKeyCheckDisabler
6963 37 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6964 :
6965 37 : OGRErr eErr = SoftStartTransaction();
6966 :
6967 37 : if (eErr == OGRERR_NONE)
6968 : {
6969 37 : if (m_apoLayers[iLayer]->HasSpatialIndex())
6970 34 : m_apoLayers[iLayer]->DropSpatialIndex();
6971 :
6972 : char *pszSQL =
6973 37 : sqlite3_mprintf("DELETE FROM gpkg_geometry_columns WHERE "
6974 : "lower(table_name) = lower('%q')",
6975 : osLayerName.c_str());
6976 37 : eErr = SQLCommand(hDB, pszSQL);
6977 37 : sqlite3_free(pszSQL);
6978 : }
6979 :
6980 37 : if (eErr == OGRERR_NONE && HasDataColumnsTable())
6981 : {
6982 1 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_data_columns WHERE "
6983 : "lower(table_name) = lower('%q')",
6984 : osLayerName.c_str());
6985 1 : eErr = SQLCommand(hDB, pszSQL);
6986 1 : sqlite3_free(pszSQL);
6987 : }
6988 :
6989 : #ifdef ENABLE_GPKG_OGR_CONTENTS
6990 37 : if (eErr == OGRERR_NONE && m_bHasGPKGOGRContents)
6991 : {
6992 37 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_ogr_contents WHERE "
6993 : "lower(table_name) = lower('%q')",
6994 : osLayerName.c_str());
6995 37 : eErr = SQLCommand(hDB, pszSQL);
6996 37 : sqlite3_free(pszSQL);
6997 : }
6998 : #endif
6999 :
7000 37 : if (eErr == OGRERR_NONE)
7001 : {
7002 37 : eErr = DeleteLayerCommon(osLayerName.c_str());
7003 : }
7004 :
7005 37 : if (eErr == OGRERR_NONE)
7006 : {
7007 37 : eErr = SoftCommitTransaction();
7008 37 : if (eErr == OGRERR_NONE)
7009 : {
7010 : /* Delete the layer object */
7011 37 : m_apoLayers.erase(m_apoLayers.begin() + iLayer);
7012 : }
7013 : }
7014 : else
7015 : {
7016 0 : SoftRollbackTransaction();
7017 : }
7018 :
7019 37 : return eErr;
7020 : }
7021 :
7022 : /************************************************************************/
7023 : /* DeleteRasterLayer() */
7024 : /************************************************************************/
7025 :
7026 2 : OGRErr GDALGeoPackageDataset::DeleteRasterLayer(const char *pszLayerName)
7027 : {
7028 : // Temporary remove foreign key checks
7029 : const GPKGTemporaryForeignKeyCheckDisabler
7030 2 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7031 :
7032 2 : OGRErr eErr = SoftStartTransaction();
7033 :
7034 2 : if (eErr == OGRERR_NONE)
7035 : {
7036 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix WHERE "
7037 : "lower(table_name) = lower('%q')",
7038 : pszLayerName);
7039 2 : eErr = SQLCommand(hDB, pszSQL);
7040 2 : sqlite3_free(pszSQL);
7041 : }
7042 :
7043 2 : if (eErr == OGRERR_NONE)
7044 : {
7045 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix_set WHERE "
7046 : "lower(table_name) = lower('%q')",
7047 : pszLayerName);
7048 2 : eErr = SQLCommand(hDB, pszSQL);
7049 2 : sqlite3_free(pszSQL);
7050 : }
7051 :
7052 2 : if (eErr == OGRERR_NONE && HasGriddedCoverageAncillaryTable())
7053 : {
7054 : char *pszSQL =
7055 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_coverage_ancillary "
7056 : "WHERE lower(tile_matrix_set_name) = lower('%q')",
7057 : pszLayerName);
7058 1 : eErr = SQLCommand(hDB, pszSQL);
7059 1 : sqlite3_free(pszSQL);
7060 :
7061 1 : if (eErr == OGRERR_NONE)
7062 : {
7063 : pszSQL =
7064 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_tile_ancillary "
7065 : "WHERE lower(tpudt_name) = lower('%q')",
7066 : pszLayerName);
7067 1 : eErr = SQLCommand(hDB, pszSQL);
7068 1 : sqlite3_free(pszSQL);
7069 : }
7070 : }
7071 :
7072 2 : if (eErr == OGRERR_NONE)
7073 : {
7074 2 : eErr = DeleteLayerCommon(pszLayerName);
7075 : }
7076 :
7077 2 : if (eErr == OGRERR_NONE)
7078 : {
7079 2 : eErr = SoftCommitTransaction();
7080 : }
7081 : else
7082 : {
7083 0 : SoftRollbackTransaction();
7084 : }
7085 :
7086 4 : return eErr;
7087 : }
7088 :
7089 : /************************************************************************/
7090 : /* DeleteVectorOrRasterLayer() */
7091 : /************************************************************************/
7092 :
7093 13 : bool GDALGeoPackageDataset::DeleteVectorOrRasterLayer(const char *pszLayerName)
7094 : {
7095 :
7096 13 : int idx = FindLayerIndex(pszLayerName);
7097 13 : if (idx >= 0)
7098 : {
7099 5 : DeleteLayer(idx);
7100 5 : return true;
7101 : }
7102 :
7103 : char *pszSQL =
7104 8 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7105 : "lower(table_name) = lower('%q') "
7106 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7107 : pszLayerName);
7108 8 : bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7109 8 : sqlite3_free(pszSQL);
7110 8 : if (bIsRasterTable)
7111 : {
7112 2 : DeleteRasterLayer(pszLayerName);
7113 2 : return true;
7114 : }
7115 6 : return false;
7116 : }
7117 :
7118 7 : bool GDALGeoPackageDataset::RenameVectorOrRasterLayer(
7119 : const char *pszLayerName, const char *pszNewLayerName)
7120 : {
7121 7 : int idx = FindLayerIndex(pszLayerName);
7122 7 : if (idx >= 0)
7123 : {
7124 4 : m_apoLayers[idx]->Rename(pszNewLayerName);
7125 4 : return true;
7126 : }
7127 :
7128 : char *pszSQL =
7129 3 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7130 : "lower(table_name) = lower('%q') "
7131 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7132 : pszLayerName);
7133 3 : const bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7134 3 : sqlite3_free(pszSQL);
7135 :
7136 3 : if (bIsRasterTable)
7137 : {
7138 2 : return RenameRasterLayer(pszLayerName, pszNewLayerName);
7139 : }
7140 :
7141 1 : return false;
7142 : }
7143 :
7144 2 : bool GDALGeoPackageDataset::RenameRasterLayer(const char *pszLayerName,
7145 : const char *pszNewLayerName)
7146 : {
7147 4 : std::string osSQL;
7148 :
7149 2 : char *pszSQL = sqlite3_mprintf(
7150 : "SELECT 1 FROM sqlite_master WHERE lower(name) = lower('%q') "
7151 : "AND type IN ('table', 'view')",
7152 : pszNewLayerName);
7153 2 : const bool bAlreadyExists = SQLGetInteger(GetDB(), pszSQL, nullptr) == 1;
7154 2 : sqlite3_free(pszSQL);
7155 2 : if (bAlreadyExists)
7156 : {
7157 0 : CPLError(CE_Failure, CPLE_AppDefined, "Table %s already exists",
7158 : pszNewLayerName);
7159 0 : return false;
7160 : }
7161 :
7162 : // Temporary remove foreign key checks
7163 : const GPKGTemporaryForeignKeyCheckDisabler
7164 4 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7165 :
7166 2 : if (SoftStartTransaction() != OGRERR_NONE)
7167 : {
7168 0 : return false;
7169 : }
7170 :
7171 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents 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 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' WHERE "
7178 : "lower(identifier) = lower('%q');",
7179 : pszNewLayerName, pszLayerName);
7180 2 : osSQL += pszSQL;
7181 2 : sqlite3_free(pszSQL);
7182 :
7183 : pszSQL =
7184 2 : sqlite3_mprintf("UPDATE gpkg_tile_matrix SET table_name = '%q' WHERE "
7185 : "lower(table_name) = lower('%q');",
7186 : pszNewLayerName, pszLayerName);
7187 2 : osSQL += pszSQL;
7188 2 : sqlite3_free(pszSQL);
7189 :
7190 2 : pszSQL = sqlite3_mprintf(
7191 : "UPDATE gpkg_tile_matrix_set SET table_name = '%q' WHERE "
7192 : "lower(table_name) = lower('%q');",
7193 : pszNewLayerName, pszLayerName);
7194 2 : osSQL += pszSQL;
7195 2 : sqlite3_free(pszSQL);
7196 :
7197 2 : if (HasGriddedCoverageAncillaryTable())
7198 : {
7199 1 : pszSQL = sqlite3_mprintf("UPDATE gpkg_2d_gridded_coverage_ancillary "
7200 : "SET tile_matrix_set_name = '%q' WHERE "
7201 : "lower(tile_matrix_set_name) = lower('%q');",
7202 : pszNewLayerName, pszLayerName);
7203 1 : osSQL += pszSQL;
7204 1 : sqlite3_free(pszSQL);
7205 :
7206 1 : pszSQL = sqlite3_mprintf(
7207 : "UPDATE gpkg_2d_gridded_tile_ancillary SET tpudt_name = '%q' WHERE "
7208 : "lower(tpudt_name) = lower('%q');",
7209 : pszNewLayerName, pszLayerName);
7210 1 : osSQL += pszSQL;
7211 1 : sqlite3_free(pszSQL);
7212 : }
7213 :
7214 2 : if (HasExtensionsTable())
7215 : {
7216 2 : pszSQL = sqlite3_mprintf(
7217 : "UPDATE gpkg_extensions SET table_name = '%q' WHERE "
7218 : "lower(table_name) = lower('%q');",
7219 : pszNewLayerName, pszLayerName);
7220 2 : osSQL += pszSQL;
7221 2 : sqlite3_free(pszSQL);
7222 : }
7223 :
7224 2 : if (HasMetadataTables())
7225 : {
7226 1 : pszSQL = sqlite3_mprintf(
7227 : "UPDATE gpkg_metadata_reference SET table_name = '%q' WHERE "
7228 : "lower(table_name) = lower('%q');",
7229 : pszNewLayerName, pszLayerName);
7230 1 : osSQL += pszSQL;
7231 1 : sqlite3_free(pszSQL);
7232 : }
7233 :
7234 2 : if (HasDataColumnsTable())
7235 : {
7236 0 : pszSQL = sqlite3_mprintf(
7237 : "UPDATE gpkg_data_columns SET table_name = '%q' WHERE "
7238 : "lower(table_name) = lower('%q');",
7239 : pszNewLayerName, pszLayerName);
7240 0 : osSQL += pszSQL;
7241 0 : sqlite3_free(pszSQL);
7242 : }
7243 :
7244 2 : if (HasQGISLayerStyles())
7245 : {
7246 : // Update QGIS styles
7247 : pszSQL =
7248 0 : sqlite3_mprintf("UPDATE layer_styles SET f_table_name = '%q' WHERE "
7249 : "lower(f_table_name) = lower('%q');",
7250 : pszNewLayerName, pszLayerName);
7251 0 : osSQL += pszSQL;
7252 0 : sqlite3_free(pszSQL);
7253 : }
7254 :
7255 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7256 2 : if (m_bHasGPKGOGRContents)
7257 : {
7258 2 : pszSQL = sqlite3_mprintf(
7259 : "UPDATE gpkg_ogr_contents SET table_name = '%q' WHERE "
7260 : "lower(table_name) = lower('%q');",
7261 : pszNewLayerName, pszLayerName);
7262 2 : osSQL += pszSQL;
7263 2 : sqlite3_free(pszSQL);
7264 : }
7265 : #endif
7266 :
7267 2 : if (HasGpkgextRelationsTable())
7268 : {
7269 0 : pszSQL = sqlite3_mprintf(
7270 : "UPDATE gpkgext_relations SET base_table_name = '%q' WHERE "
7271 : "lower(base_table_name) = lower('%q');",
7272 : pszNewLayerName, pszLayerName);
7273 0 : osSQL += pszSQL;
7274 0 : sqlite3_free(pszSQL);
7275 :
7276 0 : pszSQL = sqlite3_mprintf(
7277 : "UPDATE gpkgext_relations SET related_table_name = '%q' WHERE "
7278 : "lower(related_table_name) = lower('%q');",
7279 : pszNewLayerName, pszLayerName);
7280 0 : osSQL += pszSQL;
7281 0 : sqlite3_free(pszSQL);
7282 :
7283 0 : pszSQL = sqlite3_mprintf(
7284 : "UPDATE gpkgext_relations SET mapping_table_name = '%q' WHERE "
7285 : "lower(mapping_table_name) = lower('%q');",
7286 : pszNewLayerName, pszLayerName);
7287 0 : osSQL += pszSQL;
7288 0 : sqlite3_free(pszSQL);
7289 : }
7290 :
7291 : // Drop all triggers for the layer
7292 2 : pszSQL = sqlite3_mprintf("SELECT name FROM sqlite_master WHERE type = "
7293 : "'trigger' AND tbl_name = '%q'",
7294 : pszLayerName);
7295 2 : auto oTriggerResult = SQLQuery(GetDB(), pszSQL);
7296 2 : sqlite3_free(pszSQL);
7297 2 : if (oTriggerResult)
7298 : {
7299 14 : for (int i = 0; i < oTriggerResult->RowCount(); i++)
7300 : {
7301 12 : const char *pszTriggerName = oTriggerResult->GetValue(0, i);
7302 12 : pszSQL = sqlite3_mprintf("DROP TRIGGER IF EXISTS \"%w\";",
7303 : pszTriggerName);
7304 12 : osSQL += pszSQL;
7305 12 : sqlite3_free(pszSQL);
7306 : }
7307 : }
7308 :
7309 2 : pszSQL = sqlite3_mprintf("ALTER TABLE \"%w\" RENAME TO \"%w\";",
7310 : pszLayerName, pszNewLayerName);
7311 2 : osSQL += pszSQL;
7312 2 : sqlite3_free(pszSQL);
7313 :
7314 : // Recreate all zoom/tile triggers
7315 2 : if (oTriggerResult)
7316 : {
7317 2 : osSQL += CreateRasterTriggersSQL(pszNewLayerName);
7318 : }
7319 :
7320 2 : OGRErr eErr = SQLCommand(GetDB(), osSQL.c_str());
7321 :
7322 : // Check foreign key integrity
7323 2 : if (eErr == OGRERR_NONE)
7324 : {
7325 2 : eErr = PragmaCheck("foreign_key_check", "", 0);
7326 : }
7327 :
7328 2 : if (eErr == OGRERR_NONE)
7329 : {
7330 2 : eErr = SoftCommitTransaction();
7331 : }
7332 : else
7333 : {
7334 0 : SoftRollbackTransaction();
7335 : }
7336 :
7337 2 : return eErr == OGRERR_NONE;
7338 : }
7339 :
7340 : /************************************************************************/
7341 : /* TestCapability() */
7342 : /************************************************************************/
7343 :
7344 525 : int GDALGeoPackageDataset::TestCapability(const char *pszCap) const
7345 : {
7346 525 : if (EQUAL(pszCap, ODsCCreateLayer) || EQUAL(pszCap, ODsCDeleteLayer) ||
7347 341 : EQUAL(pszCap, "RenameLayer"))
7348 : {
7349 184 : return GetUpdate();
7350 : }
7351 341 : else if (EQUAL(pszCap, ODsCCurveGeometries))
7352 12 : return TRUE;
7353 329 : else if (EQUAL(pszCap, ODsCMeasuredGeometries))
7354 8 : return TRUE;
7355 321 : else if (EQUAL(pszCap, ODsCZGeometries))
7356 8 : return TRUE;
7357 313 : else if (EQUAL(pszCap, ODsCRandomLayerWrite) ||
7358 313 : EQUAL(pszCap, GDsCAddRelationship) ||
7359 313 : EQUAL(pszCap, GDsCDeleteRelationship) ||
7360 313 : EQUAL(pszCap, GDsCUpdateRelationship) ||
7361 313 : EQUAL(pszCap, ODsCAddFieldDomain) ||
7362 311 : EQUAL(pszCap, ODsCUpdateFieldDomain) ||
7363 309 : EQUAL(pszCap, ODsCDeleteFieldDomain))
7364 : {
7365 6 : return GetUpdate();
7366 : }
7367 :
7368 307 : return OGRSQLiteBaseDataSource::TestCapability(pszCap);
7369 : }
7370 :
7371 : /************************************************************************/
7372 : /* ResetReadingAllLayers() */
7373 : /************************************************************************/
7374 :
7375 205 : void GDALGeoPackageDataset::ResetReadingAllLayers()
7376 : {
7377 415 : for (auto &poLayer : m_apoLayers)
7378 : {
7379 210 : poLayer->ResetReading();
7380 : }
7381 205 : }
7382 :
7383 : /************************************************************************/
7384 : /* ExecuteSQL() */
7385 : /************************************************************************/
7386 :
7387 : static const char *const apszFuncsWithSideEffects[] = {
7388 : "CreateSpatialIndex",
7389 : "DisableSpatialIndex",
7390 : "HasSpatialIndex",
7391 : "RegisterGeometryExtension",
7392 : };
7393 :
7394 5704 : OGRLayer *GDALGeoPackageDataset::ExecuteSQL(const char *pszSQLCommand,
7395 : OGRGeometry *poSpatialFilter,
7396 : const char *pszDialect)
7397 :
7398 : {
7399 5704 : m_bHasReadMetadataFromStorage = false;
7400 :
7401 5704 : FlushMetadata();
7402 :
7403 5722 : while (*pszSQLCommand != '\0' &&
7404 5722 : isspace(static_cast<unsigned char>(*pszSQLCommand)))
7405 18 : pszSQLCommand++;
7406 :
7407 11408 : CPLString osSQLCommand(pszSQLCommand);
7408 5704 : if (!osSQLCommand.empty() && osSQLCommand.back() == ';')
7409 48 : osSQLCommand.pop_back();
7410 :
7411 11407 : if (osSQLCommand.ifind("AsGPB(ST_") != std::string::npos ||
7412 5703 : osSQLCommand.ifind("AsGPB( ST_") != std::string::npos)
7413 : {
7414 1 : CPLError(CE_Warning, CPLE_AppDefined,
7415 : "Use of AsGPB(ST_xxx(...)) found in \"%s\". Since GDAL 3.13, "
7416 : "ST_xxx() functions return a GeoPackage geometry when used "
7417 : "with a GeoPackage connection, and the use of AsGPB() is no "
7418 : "longer needed. It is here automatically removed",
7419 : osSQLCommand.c_str());
7420 1 : osSQLCommand.replaceAll("AsGPB(ST_", "(ST_");
7421 1 : osSQLCommand.replaceAll("AsGPB( ST_", "(ST_");
7422 : }
7423 :
7424 5704 : if (pszDialect == nullptr || !EQUAL(pszDialect, "DEBUG"))
7425 : {
7426 : // Some SQL commands will influence the feature count behind our
7427 : // back, so disable it in that case.
7428 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7429 : const bool bInsertOrDelete =
7430 5635 : osSQLCommand.ifind("insert into ") != std::string::npos ||
7431 2514 : osSQLCommand.ifind("insert or replace into ") !=
7432 8149 : std::string::npos ||
7433 2477 : osSQLCommand.ifind("delete from ") != std::string::npos;
7434 : const bool bRollback =
7435 5635 : osSQLCommand.ifind("rollback ") != std::string::npos;
7436 : #endif
7437 :
7438 7518 : for (auto &poLayer : m_apoLayers)
7439 : {
7440 1883 : if (poLayer->SyncToDisk() != OGRERR_NONE)
7441 0 : return nullptr;
7442 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7443 2087 : if (bRollback ||
7444 204 : (bInsertOrDelete &&
7445 204 : osSQLCommand.ifind(poLayer->GetName()) != std::string::npos))
7446 : {
7447 202 : poLayer->DisableFeatureCount();
7448 : }
7449 : #endif
7450 : }
7451 : }
7452 :
7453 5704 : if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 0") ||
7454 5703 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=0") ||
7455 5703 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =0") ||
7456 5703 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 0"))
7457 : {
7458 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, false);
7459 : }
7460 5703 : else if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 1") ||
7461 5702 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=1") ||
7462 5702 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =1") ||
7463 5702 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 1"))
7464 : {
7465 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, true);
7466 : }
7467 :
7468 : /* -------------------------------------------------------------------- */
7469 : /* DEBUG "SELECT nolock" command. */
7470 : /* -------------------------------------------------------------------- */
7471 5773 : if (pszDialect != nullptr && EQUAL(pszDialect, "DEBUG") &&
7472 69 : EQUAL(osSQLCommand, "SELECT nolock"))
7473 : {
7474 3 : return new OGRSQLiteSingleFeatureLayer(osSQLCommand, m_bNoLock ? 1 : 0);
7475 : }
7476 :
7477 : /* -------------------------------------------------------------------- */
7478 : /* Special case DELLAYER: command. */
7479 : /* -------------------------------------------------------------------- */
7480 5701 : if (STARTS_WITH_CI(osSQLCommand, "DELLAYER:"))
7481 : {
7482 4 : const char *pszLayerName = osSQLCommand.c_str() + strlen("DELLAYER:");
7483 :
7484 4 : while (*pszLayerName == ' ')
7485 0 : pszLayerName++;
7486 :
7487 4 : if (!DeleteVectorOrRasterLayer(pszLayerName))
7488 : {
7489 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer: %s",
7490 : pszLayerName);
7491 : }
7492 4 : return nullptr;
7493 : }
7494 :
7495 : /* -------------------------------------------------------------------- */
7496 : /* Special case RECOMPUTE EXTENT ON command. */
7497 : /* -------------------------------------------------------------------- */
7498 5697 : if (STARTS_WITH_CI(osSQLCommand, "RECOMPUTE EXTENT ON "))
7499 : {
7500 : const char *pszLayerName =
7501 4 : osSQLCommand.c_str() + strlen("RECOMPUTE EXTENT ON ");
7502 :
7503 4 : while (*pszLayerName == ' ')
7504 0 : pszLayerName++;
7505 :
7506 4 : int idx = FindLayerIndex(pszLayerName);
7507 4 : if (idx >= 0)
7508 : {
7509 4 : m_apoLayers[idx]->RecomputeExtent();
7510 : }
7511 : else
7512 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer: %s",
7513 : pszLayerName);
7514 4 : return nullptr;
7515 : }
7516 :
7517 : /* -------------------------------------------------------------------- */
7518 : /* Intercept DROP TABLE */
7519 : /* -------------------------------------------------------------------- */
7520 5693 : if (STARTS_WITH_CI(osSQLCommand, "DROP TABLE "))
7521 : {
7522 9 : const char *pszLayerName = osSQLCommand.c_str() + strlen("DROP TABLE ");
7523 :
7524 9 : while (*pszLayerName == ' ')
7525 0 : pszLayerName++;
7526 :
7527 9 : if (DeleteVectorOrRasterLayer(SQLUnescape(pszLayerName)))
7528 4 : return nullptr;
7529 : }
7530 :
7531 : /* -------------------------------------------------------------------- */
7532 : /* Intercept ALTER TABLE src_table RENAME TO dst_table */
7533 : /* and ALTER TABLE table RENAME COLUMN src_name TO dst_name */
7534 : /* and ALTER TABLE table DROP COLUMN col_name */
7535 : /* */
7536 : /* We do this because SQLite mechanisms can't deal with updating */
7537 : /* literal values in gpkg_ tables that refer to table and column */
7538 : /* names. */
7539 : /* -------------------------------------------------------------------- */
7540 5689 : if (STARTS_WITH_CI(osSQLCommand, "ALTER TABLE "))
7541 : {
7542 9 : char **papszTokens = SQLTokenize(osSQLCommand);
7543 : /* ALTER TABLE src_table RENAME TO dst_table */
7544 16 : if (CSLCount(papszTokens) == 6 && EQUAL(papszTokens[3], "RENAME") &&
7545 7 : EQUAL(papszTokens[4], "TO"))
7546 : {
7547 7 : const char *pszSrcTableName = papszTokens[2];
7548 7 : const char *pszDstTableName = papszTokens[5];
7549 7 : if (RenameVectorOrRasterLayer(SQLUnescape(pszSrcTableName),
7550 14 : SQLUnescape(pszDstTableName)))
7551 : {
7552 6 : CSLDestroy(papszTokens);
7553 6 : return nullptr;
7554 : }
7555 : }
7556 : /* ALTER TABLE table RENAME COLUMN src_name TO dst_name */
7557 2 : else if (CSLCount(papszTokens) == 8 &&
7558 1 : EQUAL(papszTokens[3], "RENAME") &&
7559 3 : EQUAL(papszTokens[4], "COLUMN") && EQUAL(papszTokens[6], "TO"))
7560 : {
7561 1 : const char *pszTableName = papszTokens[2];
7562 1 : const char *pszSrcColumn = papszTokens[5];
7563 1 : const char *pszDstColumn = papszTokens[7];
7564 : OGRGeoPackageTableLayer *poLayer =
7565 0 : dynamic_cast<OGRGeoPackageTableLayer *>(
7566 1 : GetLayerByName(SQLUnescape(pszTableName)));
7567 1 : if (poLayer)
7568 : {
7569 2 : int nSrcFieldIdx = poLayer->GetLayerDefn()->GetFieldIndex(
7570 2 : SQLUnescape(pszSrcColumn));
7571 1 : if (nSrcFieldIdx >= 0)
7572 : {
7573 : // OFTString or any type will do as we just alter the name
7574 : // so it will be ignored.
7575 1 : OGRFieldDefn oFieldDefn(SQLUnescape(pszDstColumn),
7576 1 : OFTString);
7577 1 : poLayer->AlterFieldDefn(nSrcFieldIdx, &oFieldDefn,
7578 : ALTER_NAME_FLAG);
7579 1 : CSLDestroy(papszTokens);
7580 1 : return nullptr;
7581 : }
7582 : }
7583 : }
7584 : /* ALTER TABLE table DROP COLUMN col_name */
7585 2 : else if (CSLCount(papszTokens) == 6 && EQUAL(papszTokens[3], "DROP") &&
7586 1 : EQUAL(papszTokens[4], "COLUMN"))
7587 : {
7588 1 : const char *pszTableName = papszTokens[2];
7589 1 : const char *pszColumnName = papszTokens[5];
7590 : OGRGeoPackageTableLayer *poLayer =
7591 0 : dynamic_cast<OGRGeoPackageTableLayer *>(
7592 1 : GetLayerByName(SQLUnescape(pszTableName)));
7593 1 : if (poLayer)
7594 : {
7595 2 : int nFieldIdx = poLayer->GetLayerDefn()->GetFieldIndex(
7596 2 : SQLUnescape(pszColumnName));
7597 1 : if (nFieldIdx >= 0)
7598 : {
7599 1 : poLayer->DeleteField(nFieldIdx);
7600 1 : CSLDestroy(papszTokens);
7601 1 : return nullptr;
7602 : }
7603 : }
7604 : }
7605 1 : CSLDestroy(papszTokens);
7606 : }
7607 :
7608 5681 : if (ProcessTransactionSQL(osSQLCommand))
7609 : {
7610 253 : return nullptr;
7611 : }
7612 :
7613 5428 : if (EQUAL(osSQLCommand, "VACUUM"))
7614 : {
7615 13 : ResetReadingAllLayers();
7616 : }
7617 5415 : else if (STARTS_WITH_CI(osSQLCommand, "DELETE FROM "))
7618 : {
7619 : // Optimize truncation of a table, especially if it has a spatial
7620 : // index.
7621 23 : const CPLStringList aosTokens(SQLTokenize(osSQLCommand));
7622 23 : if (aosTokens.size() == 3)
7623 : {
7624 16 : const char *pszTableName = aosTokens[2];
7625 : OGRGeoPackageTableLayer *poLayer =
7626 8 : dynamic_cast<OGRGeoPackageTableLayer *>(
7627 24 : GetLayerByName(SQLUnescape(pszTableName)));
7628 16 : if (poLayer)
7629 : {
7630 8 : poLayer->Truncate();
7631 8 : return nullptr;
7632 : }
7633 : }
7634 : }
7635 5392 : else if (pszDialect != nullptr && EQUAL(pszDialect, "INDIRECT_SQLITE"))
7636 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter, "SQLITE");
7637 5391 : else if (pszDialect != nullptr && !EQUAL(pszDialect, "") &&
7638 67 : !EQUAL(pszDialect, "NATIVE") && !EQUAL(pszDialect, "SQLITE") &&
7639 67 : !EQUAL(pszDialect, "DEBUG"))
7640 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter,
7641 1 : pszDialect);
7642 :
7643 : /* -------------------------------------------------------------------- */
7644 : /* Prepare statement. */
7645 : /* -------------------------------------------------------------------- */
7646 5418 : sqlite3_stmt *hSQLStmt = nullptr;
7647 :
7648 : /* This will speed-up layer creation */
7649 : /* ORDER BY are costly to evaluate and are not necessary to establish */
7650 : /* the layer definition. */
7651 5418 : bool bUseStatementForGetNextFeature = true;
7652 5418 : bool bEmptyLayer = false;
7653 10836 : CPLString osSQLCommandTruncated(osSQLCommand);
7654 :
7655 17970 : if (osSQLCommand.ifind("SELECT ") == 0 &&
7656 6276 : CPLString(osSQLCommand.substr(1)).ifind("SELECT ") ==
7657 823 : std::string::npos &&
7658 823 : osSQLCommand.ifind(" UNION ") == std::string::npos &&
7659 7099 : osSQLCommand.ifind(" INTERSECT ") == std::string::npos &&
7660 823 : osSQLCommand.ifind(" EXCEPT ") == std::string::npos)
7661 : {
7662 823 : size_t nOrderByPos = osSQLCommand.ifind(" ORDER BY ");
7663 823 : if (nOrderByPos != std::string::npos)
7664 : {
7665 9 : osSQLCommandTruncated.resize(nOrderByPos);
7666 9 : bUseStatementForGetNextFeature = false;
7667 : }
7668 : }
7669 :
7670 5418 : int rc = prepareSql(hDB, osSQLCommandTruncated.c_str(),
7671 5418 : static_cast<int>(osSQLCommandTruncated.size()),
7672 : &hSQLStmt, nullptr);
7673 :
7674 5418 : if (rc != SQLITE_OK)
7675 : {
7676 9 : CPLError(CE_Failure, CPLE_AppDefined,
7677 : "In ExecuteSQL(): sqlite3_prepare_v2(%s): %s",
7678 : osSQLCommandTruncated.c_str(), sqlite3_errmsg(hDB));
7679 :
7680 9 : if (hSQLStmt != nullptr)
7681 : {
7682 0 : sqlite3_finalize(hSQLStmt);
7683 : }
7684 :
7685 9 : return nullptr;
7686 : }
7687 :
7688 : /* -------------------------------------------------------------------- */
7689 : /* Do we get a resultset? */
7690 : /* -------------------------------------------------------------------- */
7691 5409 : rc = sqlite3_step(hSQLStmt);
7692 :
7693 7057 : for (auto &poLayer : m_apoLayers)
7694 : {
7695 1648 : poLayer->RunDeferredDropRTreeTableIfNecessary();
7696 : }
7697 :
7698 5409 : if (rc != SQLITE_ROW)
7699 : {
7700 4634 : if (rc != SQLITE_DONE)
7701 : {
7702 7 : CPLError(CE_Failure, CPLE_AppDefined,
7703 : "In ExecuteSQL(): sqlite3_step(%s):\n %s",
7704 : osSQLCommandTruncated.c_str(), sqlite3_errmsg(hDB));
7705 :
7706 7 : sqlite3_finalize(hSQLStmt);
7707 7 : return nullptr;
7708 : }
7709 :
7710 4627 : if (EQUAL(osSQLCommand, "VACUUM"))
7711 : {
7712 13 : sqlite3_finalize(hSQLStmt);
7713 : /* VACUUM rewrites the DB, so we need to reset the application id */
7714 13 : SetApplicationAndUserVersionId();
7715 13 : return nullptr;
7716 : }
7717 :
7718 4614 : if (!STARTS_WITH_CI(osSQLCommand, "SELECT "))
7719 : {
7720 4487 : sqlite3_finalize(hSQLStmt);
7721 4487 : return nullptr;
7722 : }
7723 :
7724 127 : bUseStatementForGetNextFeature = false;
7725 127 : bEmptyLayer = true;
7726 : }
7727 :
7728 : /* -------------------------------------------------------------------- */
7729 : /* Special case for some functions which must be run */
7730 : /* only once */
7731 : /* -------------------------------------------------------------------- */
7732 902 : if (STARTS_WITH_CI(osSQLCommand, "SELECT "))
7733 : {
7734 4134 : for (unsigned int i = 0; i < sizeof(apszFuncsWithSideEffects) /
7735 : sizeof(apszFuncsWithSideEffects[0]);
7736 : i++)
7737 : {
7738 3333 : if (EQUALN(apszFuncsWithSideEffects[i], osSQLCommand.c_str() + 7,
7739 : strlen(apszFuncsWithSideEffects[i])))
7740 : {
7741 112 : if (sqlite3_column_count(hSQLStmt) == 1 &&
7742 56 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_INTEGER)
7743 : {
7744 56 : int ret = sqlite3_column_int(hSQLStmt, 0);
7745 :
7746 56 : sqlite3_finalize(hSQLStmt);
7747 :
7748 : return new OGRSQLiteSingleFeatureLayer(
7749 56 : apszFuncsWithSideEffects[i], ret);
7750 : }
7751 : }
7752 : }
7753 : }
7754 45 : else if (STARTS_WITH_CI(osSQLCommand, "PRAGMA "))
7755 : {
7756 63 : if (sqlite3_column_count(hSQLStmt) == 1 &&
7757 18 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_INTEGER)
7758 : {
7759 15 : int ret = sqlite3_column_int(hSQLStmt, 0);
7760 :
7761 15 : sqlite3_finalize(hSQLStmt);
7762 :
7763 15 : return new OGRSQLiteSingleFeatureLayer(osSQLCommand.c_str() + 7,
7764 15 : ret);
7765 : }
7766 33 : else if (sqlite3_column_count(hSQLStmt) == 1 &&
7767 3 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_TEXT)
7768 : {
7769 : const char *pszRet = reinterpret_cast<const char *>(
7770 3 : sqlite3_column_text(hSQLStmt, 0));
7771 :
7772 : OGRLayer *poRet = new OGRSQLiteSingleFeatureLayer(
7773 3 : osSQLCommand.c_str() + 7, pszRet);
7774 :
7775 3 : sqlite3_finalize(hSQLStmt);
7776 :
7777 3 : return poRet;
7778 : }
7779 : }
7780 :
7781 : /* -------------------------------------------------------------------- */
7782 : /* Create layer. */
7783 : /* -------------------------------------------------------------------- */
7784 :
7785 : auto poLayer = std::make_unique<OGRGeoPackageSelectLayer>(
7786 : this, osSQLCommand, hSQLStmt, bUseStatementForGetNextFeature,
7787 1656 : bEmptyLayer);
7788 :
7789 831 : if (poSpatialFilter != nullptr &&
7790 3 : poLayer->GetLayerDefn()->GetGeomFieldCount() > 0)
7791 3 : poLayer->SetSpatialFilter(0, poSpatialFilter);
7792 :
7793 828 : return poLayer.release();
7794 : }
7795 :
7796 : /************************************************************************/
7797 : /* ReleaseResultSet() */
7798 : /************************************************************************/
7799 :
7800 861 : void GDALGeoPackageDataset::ReleaseResultSet(OGRLayer *poLayer)
7801 :
7802 : {
7803 861 : delete poLayer;
7804 861 : }
7805 :
7806 : /************************************************************************/
7807 : /* HasExtensionsTable() */
7808 : /************************************************************************/
7809 :
7810 7034 : bool GDALGeoPackageDataset::HasExtensionsTable()
7811 : {
7812 7034 : return SQLGetInteger(
7813 : hDB,
7814 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_extensions' "
7815 : "AND type IN ('table', 'view')",
7816 7034 : nullptr) == 1;
7817 : }
7818 :
7819 : /************************************************************************/
7820 : /* CheckUnknownExtensions() */
7821 : /************************************************************************/
7822 :
7823 1567 : void GDALGeoPackageDataset::CheckUnknownExtensions(bool bCheckRasterTable)
7824 : {
7825 1567 : if (!HasExtensionsTable())
7826 209 : return;
7827 :
7828 1358 : char *pszSQL = nullptr;
7829 1358 : if (!bCheckRasterTable)
7830 1149 : pszSQL = sqlite3_mprintf(
7831 : "SELECT extension_name, definition, scope FROM gpkg_extensions "
7832 : "WHERE (table_name IS NULL "
7833 : "AND extension_name IS NOT NULL "
7834 : "AND definition IS NOT NULL "
7835 : "AND scope IS NOT NULL "
7836 : "AND extension_name NOT IN ("
7837 : "'gdal_aspatial', "
7838 : "'gpkg_elevation_tiles', " // Old name before GPKG 1.2 approval
7839 : "'2d_gridded_coverage', " // Old name after GPKG 1.2 and before OGC
7840 : // 17-066r1 finalization
7841 : "'gpkg_2d_gridded_coverage', " // Name in OGC 17-066r1 final
7842 : "'gpkg_metadata', "
7843 : "'gpkg_schema', "
7844 : "'gpkg_crs_wkt', "
7845 : "'gpkg_crs_wkt_1_1', "
7846 : "'related_tables', 'gpkg_related_tables')) "
7847 : #ifdef WORKAROUND_SQLITE3_BUGS
7848 : "OR 0 "
7849 : #endif
7850 : "LIMIT 1000");
7851 : else
7852 209 : pszSQL = sqlite3_mprintf(
7853 : "SELECT extension_name, definition, scope FROM gpkg_extensions "
7854 : "WHERE (lower(table_name) = lower('%q') "
7855 : "AND extension_name IS NOT NULL "
7856 : "AND definition IS NOT NULL "
7857 : "AND scope IS NOT NULL "
7858 : "AND extension_name NOT IN ("
7859 : "'gpkg_elevation_tiles', " // Old name before GPKG 1.2 approval
7860 : "'2d_gridded_coverage', " // Old name after GPKG 1.2 and before OGC
7861 : // 17-066r1 finalization
7862 : "'gpkg_2d_gridded_coverage', " // Name in OGC 17-066r1 final
7863 : "'gpkg_metadata', "
7864 : "'gpkg_schema', "
7865 : "'gpkg_crs_wkt', "
7866 : "'gpkg_crs_wkt_1_1', "
7867 : "'related_tables', 'gpkg_related_tables')) "
7868 : #ifdef WORKAROUND_SQLITE3_BUGS
7869 : "OR 0 "
7870 : #endif
7871 : "LIMIT 1000",
7872 : m_osRasterTable.c_str());
7873 :
7874 2716 : auto oResultTable = SQLQuery(GetDB(), pszSQL);
7875 1358 : sqlite3_free(pszSQL);
7876 1358 : if (oResultTable && oResultTable->RowCount() > 0)
7877 : {
7878 42 : for (int i = 0; i < oResultTable->RowCount(); i++)
7879 : {
7880 21 : const char *pszExtName = oResultTable->GetValue(0, i);
7881 21 : const char *pszDefinition = oResultTable->GetValue(1, i);
7882 21 : const char *pszScope = oResultTable->GetValue(2, i);
7883 21 : if (pszExtName == nullptr || pszDefinition == nullptr ||
7884 : pszScope == nullptr)
7885 : {
7886 0 : continue;
7887 : }
7888 :
7889 21 : if (EQUAL(pszExtName, "gpkg_webp"))
7890 : {
7891 15 : if (GDALGetDriverByName("WEBP") == nullptr)
7892 : {
7893 1 : CPLError(
7894 : CE_Warning, CPLE_AppDefined,
7895 : "Table %s contains WEBP tiles, but GDAL configured "
7896 : "without WEBP support. Data will be missing",
7897 : m_osRasterTable.c_str());
7898 : }
7899 15 : m_eTF = GPKG_TF_WEBP;
7900 15 : continue;
7901 : }
7902 6 : if (EQUAL(pszExtName, "gpkg_zoom_other"))
7903 : {
7904 2 : m_bZoomOther = true;
7905 2 : continue;
7906 : }
7907 :
7908 4 : if (GetUpdate() && EQUAL(pszScope, "write-only"))
7909 : {
7910 1 : CPLError(
7911 : CE_Warning, CPLE_AppDefined,
7912 : "Database relies on the '%s' (%s) extension that should "
7913 : "be implemented for safe write-support, but is not "
7914 : "currently. "
7915 : "Update of that database are strongly discouraged to avoid "
7916 : "corruption.",
7917 : pszExtName, pszDefinition);
7918 : }
7919 3 : else if (GetUpdate() && EQUAL(pszScope, "read-write"))
7920 : {
7921 1 : CPLError(
7922 : CE_Warning, CPLE_AppDefined,
7923 : "Database relies on the '%s' (%s) extension that should "
7924 : "be implemented in order to read/write it safely, but is "
7925 : "not currently. "
7926 : "Some data may be missing while reading that database, and "
7927 : "updates are strongly discouraged.",
7928 : pszExtName, pszDefinition);
7929 : }
7930 2 : else if (EQUAL(pszScope, "read-write") &&
7931 : // None of the NGA extensions at
7932 : // http://ngageoint.github.io/GeoPackage/docs/extensions/
7933 : // affect read-only scenarios
7934 1 : !STARTS_WITH(pszExtName, "nga_"))
7935 : {
7936 1 : CPLError(
7937 : CE_Warning, CPLE_AppDefined,
7938 : "Database relies on the '%s' (%s) extension that should "
7939 : "be implemented in order to read it safely, but is not "
7940 : "currently. "
7941 : "Some data may be missing while reading that database.",
7942 : pszExtName, pszDefinition);
7943 : }
7944 : }
7945 : }
7946 : }
7947 :
7948 : /************************************************************************/
7949 : /* HasGDALAspatialExtension() */
7950 : /************************************************************************/
7951 :
7952 1110 : bool GDALGeoPackageDataset::HasGDALAspatialExtension()
7953 : {
7954 1110 : if (!HasExtensionsTable())
7955 102 : return false;
7956 :
7957 : auto oResultTable = SQLQuery(hDB, "SELECT * FROM gpkg_extensions "
7958 : "WHERE (extension_name = 'gdal_aspatial' "
7959 : "AND table_name IS NULL "
7960 : "AND column_name IS NULL)"
7961 : #ifdef WORKAROUND_SQLITE3_BUGS
7962 : " OR 0"
7963 : #endif
7964 1008 : );
7965 1008 : bool bHasExtension = (oResultTable && oResultTable->RowCount() == 1);
7966 1008 : return bHasExtension;
7967 : }
7968 :
7969 : std::string
7970 192 : GDALGeoPackageDataset::CreateRasterTriggersSQL(const std::string &osTableName)
7971 : {
7972 : char *pszSQL;
7973 192 : std::string osSQL;
7974 : /* From D.5. sample_tile_pyramid Table 43. tiles table Trigger
7975 : * Definition SQL */
7976 192 : pszSQL = sqlite3_mprintf(
7977 : "CREATE TRIGGER \"%w_zoom_insert\" "
7978 : "BEFORE INSERT ON \"%w\" "
7979 : "FOR EACH ROW BEGIN "
7980 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7981 : "constraint: zoom_level not specified for table in "
7982 : "gpkg_tile_matrix') "
7983 : "WHERE NOT (NEW.zoom_level IN (SELECT zoom_level FROM "
7984 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q'))) ; "
7985 : "END; "
7986 : "CREATE TRIGGER \"%w_zoom_update\" "
7987 : "BEFORE UPDATE OF zoom_level ON \"%w\" "
7988 : "FOR EACH ROW BEGIN "
7989 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7990 : "constraint: zoom_level not specified for table in "
7991 : "gpkg_tile_matrix') "
7992 : "WHERE NOT (NEW.zoom_level IN (SELECT zoom_level FROM "
7993 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q'))) ; "
7994 : "END; "
7995 : "CREATE TRIGGER \"%w_tile_column_insert\" "
7996 : "BEFORE INSERT ON \"%w\" "
7997 : "FOR EACH ROW BEGIN "
7998 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7999 : "constraint: tile_column cannot be < 0') "
8000 : "WHERE (NEW.tile_column < 0) ; "
8001 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
8002 : "constraint: tile_column must by < matrix_width specified for "
8003 : "table and zoom level in gpkg_tile_matrix') "
8004 : "WHERE NOT (NEW.tile_column < (SELECT matrix_width FROM "
8005 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8006 : "zoom_level = NEW.zoom_level)); "
8007 : "END; "
8008 : "CREATE TRIGGER \"%w_tile_column_update\" "
8009 : "BEFORE UPDATE OF tile_column ON \"%w\" "
8010 : "FOR EACH ROW BEGIN "
8011 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8012 : "constraint: tile_column cannot be < 0') "
8013 : "WHERE (NEW.tile_column < 0) ; "
8014 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8015 : "constraint: tile_column must by < matrix_width specified for "
8016 : "table and zoom level in gpkg_tile_matrix') "
8017 : "WHERE NOT (NEW.tile_column < (SELECT matrix_width FROM "
8018 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8019 : "zoom_level = NEW.zoom_level)); "
8020 : "END; "
8021 : "CREATE TRIGGER \"%w_tile_row_insert\" "
8022 : "BEFORE INSERT ON \"%w\" "
8023 : "FOR EACH ROW BEGIN "
8024 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
8025 : "constraint: tile_row cannot be < 0') "
8026 : "WHERE (NEW.tile_row < 0) ; "
8027 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
8028 : "constraint: tile_row must by < matrix_height specified for "
8029 : "table and zoom level in gpkg_tile_matrix') "
8030 : "WHERE NOT (NEW.tile_row < (SELECT matrix_height FROM "
8031 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8032 : "zoom_level = NEW.zoom_level)); "
8033 : "END; "
8034 : "CREATE TRIGGER \"%w_tile_row_update\" "
8035 : "BEFORE UPDATE OF tile_row ON \"%w\" "
8036 : "FOR EACH ROW BEGIN "
8037 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8038 : "constraint: tile_row cannot be < 0') "
8039 : "WHERE (NEW.tile_row < 0) ; "
8040 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8041 : "constraint: tile_row must by < matrix_height specified for "
8042 : "table and zoom level in gpkg_tile_matrix') "
8043 : "WHERE NOT (NEW.tile_row < (SELECT matrix_height FROM "
8044 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8045 : "zoom_level = NEW.zoom_level)); "
8046 : "END; ",
8047 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8048 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8049 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8050 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8051 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8052 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8053 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8054 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8055 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8056 : osTableName.c_str());
8057 192 : osSQL = pszSQL;
8058 192 : sqlite3_free(pszSQL);
8059 192 : return osSQL;
8060 : }
8061 :
8062 : /************************************************************************/
8063 : /* CreateExtensionsTableIfNecessary() */
8064 : /************************************************************************/
8065 :
8066 1256 : OGRErr GDALGeoPackageDataset::CreateExtensionsTableIfNecessary()
8067 : {
8068 : /* Check if the table gpkg_extensions exists */
8069 1256 : if (HasExtensionsTable())
8070 421 : return OGRERR_NONE;
8071 :
8072 : /* Requirement 79 : Every extension of a GeoPackage SHALL be registered */
8073 : /* in a corresponding row in the gpkg_extensions table. The absence of a */
8074 : /* gpkg_extensions table or the absence of rows in gpkg_extensions table */
8075 : /* SHALL both indicate the absence of extensions to a GeoPackage. */
8076 835 : const char *pszCreateGpkgExtensions =
8077 : "CREATE TABLE gpkg_extensions ("
8078 : "table_name TEXT,"
8079 : "column_name TEXT,"
8080 : "extension_name TEXT NOT NULL,"
8081 : "definition TEXT NOT NULL,"
8082 : "scope TEXT NOT NULL,"
8083 : "CONSTRAINT ge_tce UNIQUE (table_name, column_name, extension_name)"
8084 : ")";
8085 :
8086 835 : return SQLCommand(hDB, pszCreateGpkgExtensions);
8087 : }
8088 :
8089 : /************************************************************************/
8090 : /* OGR_GPKG_Intersects_Spatial_Filter() */
8091 : /************************************************************************/
8092 :
8093 23135 : void OGR_GPKG_Intersects_Spatial_Filter(sqlite3_context *pContext, int argc,
8094 : sqlite3_value **argv)
8095 : {
8096 23135 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8097 : {
8098 0 : sqlite3_result_int(pContext, 0);
8099 23125 : return;
8100 : }
8101 :
8102 : auto poLayer =
8103 23135 : static_cast<OGRGeoPackageTableLayer *>(sqlite3_user_data(pContext));
8104 :
8105 23135 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8106 : const GByte *pabyBLOB =
8107 23135 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8108 :
8109 : GPkgHeader sHeader;
8110 46270 : if (poLayer->m_bFilterIsEnvelope &&
8111 23135 : OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false, 0))
8112 : {
8113 23135 : if (sHeader.bExtentHasXY)
8114 : {
8115 95 : OGREnvelope sEnvelope;
8116 95 : sEnvelope.MinX = sHeader.MinX;
8117 95 : sEnvelope.MinY = sHeader.MinY;
8118 95 : sEnvelope.MaxX = sHeader.MaxX;
8119 95 : sEnvelope.MaxY = sHeader.MaxY;
8120 95 : if (poLayer->m_sFilterEnvelope.Contains(sEnvelope))
8121 : {
8122 31 : sqlite3_result_int(pContext, 1);
8123 31 : return;
8124 : }
8125 : }
8126 :
8127 : // Check if at least one point falls into the layer filter envelope
8128 : // nHeaderLen is > 0 for GeoPackage geometries
8129 46208 : if (sHeader.nHeaderLen > 0 &&
8130 23104 : OGRWKBIntersectsPessimistic(pabyBLOB + sHeader.nHeaderLen,
8131 23104 : nBLOBLen - sHeader.nHeaderLen,
8132 23104 : poLayer->m_sFilterEnvelope))
8133 : {
8134 23094 : sqlite3_result_int(pContext, 1);
8135 23094 : return;
8136 : }
8137 : }
8138 :
8139 : auto poGeom = std::unique_ptr<OGRGeometry>(
8140 10 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8141 10 : if (poGeom == nullptr)
8142 : {
8143 : // Try also spatialite geometry blobs
8144 0 : OGRGeometry *poGeomSpatialite = nullptr;
8145 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8146 0 : &poGeomSpatialite) != OGRERR_NONE)
8147 : {
8148 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8149 0 : sqlite3_result_int(pContext, 0);
8150 0 : return;
8151 : }
8152 0 : poGeom.reset(poGeomSpatialite);
8153 : }
8154 :
8155 10 : sqlite3_result_int(pContext, poLayer->FilterGeometry(poGeom.get()));
8156 : }
8157 :
8158 : /************************************************************************/
8159 : /* OGRGeoPackageSTMinX() */
8160 : /************************************************************************/
8161 :
8162 252317 : static void OGRGeoPackageSTMinX(sqlite3_context *pContext, int argc,
8163 : sqlite3_value **argv)
8164 : {
8165 : GPkgHeader sHeader;
8166 252317 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8167 : {
8168 17 : sqlite3_result_null(pContext);
8169 17 : return;
8170 : }
8171 252300 : sqlite3_result_double(pContext, sHeader.MinX);
8172 : }
8173 :
8174 : /************************************************************************/
8175 : /* OGRGeoPackageSTMinY() */
8176 : /************************************************************************/
8177 :
8178 252301 : static void OGRGeoPackageSTMinY(sqlite3_context *pContext, int argc,
8179 : sqlite3_value **argv)
8180 : {
8181 : GPkgHeader sHeader;
8182 252301 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8183 : {
8184 1 : sqlite3_result_null(pContext);
8185 1 : return;
8186 : }
8187 252300 : sqlite3_result_double(pContext, sHeader.MinY);
8188 : }
8189 :
8190 : /************************************************************************/
8191 : /* OGRGeoPackageSTMaxX() */
8192 : /************************************************************************/
8193 :
8194 252301 : static void OGRGeoPackageSTMaxX(sqlite3_context *pContext, int argc,
8195 : sqlite3_value **argv)
8196 : {
8197 : GPkgHeader sHeader;
8198 252301 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8199 : {
8200 1 : sqlite3_result_null(pContext);
8201 1 : return;
8202 : }
8203 252300 : sqlite3_result_double(pContext, sHeader.MaxX);
8204 : }
8205 :
8206 : /************************************************************************/
8207 : /* OGRGeoPackageSTMaxY() */
8208 : /************************************************************************/
8209 :
8210 252301 : static void OGRGeoPackageSTMaxY(sqlite3_context *pContext, int argc,
8211 : sqlite3_value **argv)
8212 : {
8213 : GPkgHeader sHeader;
8214 252301 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8215 : {
8216 1 : sqlite3_result_null(pContext);
8217 1 : return;
8218 : }
8219 252300 : sqlite3_result_double(pContext, sHeader.MaxY);
8220 : }
8221 :
8222 : /************************************************************************/
8223 : /* OGRGeoPackageSTIsEmpty() */
8224 : /************************************************************************/
8225 :
8226 253727 : static void OGRGeoPackageSTIsEmpty(sqlite3_context *pContext, int argc,
8227 : sqlite3_value **argv)
8228 : {
8229 : GPkgHeader sHeader;
8230 253727 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8231 : {
8232 2 : sqlite3_result_null(pContext);
8233 2 : return;
8234 : }
8235 253725 : sqlite3_result_int(pContext, sHeader.bEmpty);
8236 : }
8237 :
8238 : /************************************************************************/
8239 : /* OGRGeoPackageSTGeometryType() */
8240 : /************************************************************************/
8241 :
8242 7 : static void OGRGeoPackageSTGeometryType(sqlite3_context *pContext, int /*argc*/,
8243 : sqlite3_value **argv)
8244 : {
8245 : GPkgHeader sHeader;
8246 :
8247 7 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8248 : const GByte *pabyBLOB =
8249 7 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8250 : OGRwkbGeometryType eGeometryType;
8251 :
8252 13 : if (nBLOBLen < 8 ||
8253 6 : GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) != OGRERR_NONE)
8254 : {
8255 2 : if (OGRSQLiteGetSpatialiteGeometryHeader(
8256 : pabyBLOB, nBLOBLen, nullptr, &eGeometryType, nullptr, nullptr,
8257 2 : nullptr, nullptr, nullptr) == OGRERR_NONE)
8258 : {
8259 1 : sqlite3_result_text(pContext, OGRToOGCGeomType(eGeometryType), -1,
8260 : SQLITE_TRANSIENT);
8261 4 : return;
8262 : }
8263 : else
8264 : {
8265 1 : sqlite3_result_null(pContext);
8266 1 : return;
8267 : }
8268 : }
8269 :
8270 5 : if (static_cast<size_t>(nBLOBLen) < sHeader.nHeaderLen + 5)
8271 : {
8272 2 : sqlite3_result_null(pContext);
8273 2 : return;
8274 : }
8275 :
8276 3 : OGRErr err = OGRReadWKBGeometryType(pabyBLOB + sHeader.nHeaderLen,
8277 : wkbVariantIso, &eGeometryType);
8278 3 : if (err != OGRERR_NONE)
8279 1 : sqlite3_result_null(pContext);
8280 : else
8281 2 : sqlite3_result_text(pContext, OGRToOGCGeomType(eGeometryType), -1,
8282 : SQLITE_TRANSIENT);
8283 : }
8284 :
8285 : /************************************************************************/
8286 : /* OGRGeoPackageSTEnvelopesIntersects() */
8287 : /************************************************************************/
8288 :
8289 118 : static void OGRGeoPackageSTEnvelopesIntersects(sqlite3_context *pContext,
8290 : int argc, sqlite3_value **argv)
8291 : {
8292 : GPkgHeader sHeader;
8293 118 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8294 : {
8295 2 : sqlite3_result_int(pContext, FALSE);
8296 107 : return;
8297 : }
8298 116 : const double dfMinX = sqlite3_value_double(argv[1]);
8299 116 : if (sHeader.MaxX < dfMinX)
8300 : {
8301 93 : sqlite3_result_int(pContext, FALSE);
8302 93 : return;
8303 : }
8304 23 : const double dfMinY = sqlite3_value_double(argv[2]);
8305 23 : if (sHeader.MaxY < dfMinY)
8306 : {
8307 11 : sqlite3_result_int(pContext, FALSE);
8308 11 : return;
8309 : }
8310 12 : const double dfMaxX = sqlite3_value_double(argv[3]);
8311 12 : if (sHeader.MinX > dfMaxX)
8312 : {
8313 1 : sqlite3_result_int(pContext, FALSE);
8314 1 : return;
8315 : }
8316 11 : const double dfMaxY = sqlite3_value_double(argv[4]);
8317 11 : sqlite3_result_int(pContext, sHeader.MinY <= dfMaxY);
8318 : }
8319 :
8320 : /************************************************************************/
8321 : /* OGRGeoPackageSTEnvelopesIntersectsTwoParams() */
8322 : /************************************************************************/
8323 :
8324 : static void
8325 3 : OGRGeoPackageSTEnvelopesIntersectsTwoParams(sqlite3_context *pContext, int argc,
8326 : sqlite3_value **argv)
8327 : {
8328 : GPkgHeader sHeader;
8329 3 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false, 0))
8330 : {
8331 0 : sqlite3_result_int(pContext, FALSE);
8332 2 : return;
8333 : }
8334 : GPkgHeader sHeader2;
8335 3 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader2, true, false,
8336 : 1))
8337 : {
8338 0 : sqlite3_result_int(pContext, FALSE);
8339 0 : return;
8340 : }
8341 3 : if (sHeader.MaxX < sHeader2.MinX)
8342 : {
8343 1 : sqlite3_result_int(pContext, FALSE);
8344 1 : return;
8345 : }
8346 2 : if (sHeader.MaxY < sHeader2.MinY)
8347 : {
8348 0 : sqlite3_result_int(pContext, FALSE);
8349 0 : return;
8350 : }
8351 2 : if (sHeader.MinX > sHeader2.MaxX)
8352 : {
8353 1 : sqlite3_result_int(pContext, FALSE);
8354 1 : return;
8355 : }
8356 1 : sqlite3_result_int(pContext, sHeader.MinY <= sHeader2.MaxY);
8357 : }
8358 :
8359 : /************************************************************************/
8360 : /* OGRGeoPackageGPKGIsAssignable() */
8361 : /************************************************************************/
8362 :
8363 8 : static void OGRGeoPackageGPKGIsAssignable(sqlite3_context *pContext,
8364 : int /*argc*/, sqlite3_value **argv)
8365 : {
8366 15 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8367 7 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8368 : {
8369 2 : sqlite3_result_int(pContext, 0);
8370 2 : return;
8371 : }
8372 :
8373 : const char *pszExpected =
8374 6 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8375 : const char *pszActual =
8376 6 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8377 6 : int bIsAssignable = OGR_GT_IsSubClassOf(OGRFromOGCGeomType(pszActual),
8378 : OGRFromOGCGeomType(pszExpected));
8379 6 : sqlite3_result_int(pContext, bIsAssignable);
8380 : }
8381 :
8382 : /************************************************************************/
8383 : /* OGRGeoPackageSTSRID() */
8384 : /************************************************************************/
8385 :
8386 12 : static void OGRGeoPackageSTSRID(sqlite3_context *pContext, int argc,
8387 : sqlite3_value **argv)
8388 : {
8389 : GPkgHeader sHeader;
8390 12 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8391 : {
8392 2 : sqlite3_result_null(pContext);
8393 2 : return;
8394 : }
8395 10 : sqlite3_result_int(pContext, sHeader.iSrsId);
8396 : }
8397 :
8398 : /************************************************************************/
8399 : /* OGRGeoPackageSetSRID() */
8400 : /************************************************************************/
8401 :
8402 28 : static void OGRGeoPackageSetSRID(sqlite3_context *pContext, int /* argc */,
8403 : sqlite3_value **argv)
8404 : {
8405 28 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8406 : {
8407 1 : sqlite3_result_null(pContext);
8408 1 : return;
8409 : }
8410 27 : const int nDestSRID = sqlite3_value_int(argv[1]);
8411 : GPkgHeader sHeader;
8412 27 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8413 : const GByte *pabyBLOB =
8414 27 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8415 :
8416 54 : if (nBLOBLen < 8 ||
8417 27 : GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) != OGRERR_NONE)
8418 : {
8419 : // Try also spatialite geometry blobs
8420 0 : OGRGeometry *poGeom = nullptr;
8421 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeom) !=
8422 : OGRERR_NONE)
8423 : {
8424 0 : sqlite3_result_null(pContext);
8425 0 : return;
8426 : }
8427 0 : size_t nBLOBDestLen = 0;
8428 : GByte *pabyDestBLOB =
8429 0 : GPkgGeometryFromOGR(poGeom, nDestSRID, nullptr, &nBLOBDestLen);
8430 0 : if (!pabyDestBLOB)
8431 : {
8432 0 : sqlite3_result_null(pContext);
8433 0 : return;
8434 : }
8435 0 : sqlite3_result_blob(pContext, pabyDestBLOB,
8436 : static_cast<int>(nBLOBDestLen), VSIFree);
8437 0 : return;
8438 : }
8439 :
8440 27 : GByte *pabyDestBLOB = static_cast<GByte *>(CPLMalloc(nBLOBLen));
8441 27 : memcpy(pabyDestBLOB, pabyBLOB, nBLOBLen);
8442 27 : int32_t nSRIDToSerialize = nDestSRID;
8443 27 : if (OGR_SWAP(sHeader.eByteOrder))
8444 0 : nSRIDToSerialize = CPL_SWAP32(nSRIDToSerialize);
8445 27 : memcpy(pabyDestBLOB + 4, &nSRIDToSerialize, 4);
8446 27 : sqlite3_result_blob(pContext, pabyDestBLOB, nBLOBLen, VSIFree);
8447 : }
8448 :
8449 : /************************************************************************/
8450 : /* OGRGeoPackageSTMakeValid() */
8451 : /************************************************************************/
8452 :
8453 3 : static void OGRGeoPackageSTMakeValid(sqlite3_context *pContext, int argc,
8454 : sqlite3_value **argv)
8455 : {
8456 3 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8457 : {
8458 2 : sqlite3_result_null(pContext);
8459 2 : return;
8460 : }
8461 1 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8462 : const GByte *pabyBLOB =
8463 1 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8464 :
8465 : GPkgHeader sHeader;
8466 1 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8467 : {
8468 0 : sqlite3_result_null(pContext);
8469 0 : return;
8470 : }
8471 :
8472 : auto poGeom = std::unique_ptr<OGRGeometry>(
8473 1 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8474 1 : if (poGeom == nullptr)
8475 : {
8476 : // Try also spatialite geometry blobs
8477 0 : OGRGeometry *poGeomPtr = nullptr;
8478 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeomPtr) !=
8479 : OGRERR_NONE)
8480 : {
8481 0 : sqlite3_result_null(pContext);
8482 0 : return;
8483 : }
8484 0 : poGeom.reset(poGeomPtr);
8485 : }
8486 1 : auto poValid = std::unique_ptr<OGRGeometry>(poGeom->MakeValid());
8487 1 : if (poValid == nullptr)
8488 : {
8489 0 : sqlite3_result_null(pContext);
8490 0 : return;
8491 : }
8492 :
8493 1 : size_t nBLOBDestLen = 0;
8494 1 : GByte *pabyDestBLOB = GPkgGeometryFromOGR(poValid.get(), sHeader.iSrsId,
8495 : nullptr, &nBLOBDestLen);
8496 1 : if (!pabyDestBLOB)
8497 : {
8498 0 : sqlite3_result_null(pContext);
8499 0 : return;
8500 : }
8501 1 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
8502 : VSIFree);
8503 : }
8504 :
8505 : /************************************************************************/
8506 : /* OGRGeoPackageSTArea() */
8507 : /************************************************************************/
8508 :
8509 19 : static void OGRGeoPackageSTArea(sqlite3_context *pContext, int /*argc*/,
8510 : sqlite3_value **argv)
8511 : {
8512 19 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8513 : {
8514 1 : sqlite3_result_null(pContext);
8515 15 : return;
8516 : }
8517 18 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8518 : const GByte *pabyBLOB =
8519 18 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8520 :
8521 : GPkgHeader sHeader;
8522 0 : std::unique_ptr<OGRGeometry> poGeom;
8523 18 : if (GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) == OGRERR_NONE)
8524 : {
8525 16 : if (sHeader.bEmpty)
8526 : {
8527 3 : sqlite3_result_double(pContext, 0);
8528 13 : return;
8529 : }
8530 13 : const GByte *pabyWkb = pabyBLOB + sHeader.nHeaderLen;
8531 13 : size_t nWKBSize = nBLOBLen - sHeader.nHeaderLen;
8532 : bool bNeedSwap;
8533 : uint32_t nType;
8534 13 : if (OGRWKBGetGeomType(pabyWkb, nWKBSize, bNeedSwap, nType))
8535 : {
8536 13 : if (nType == wkbPolygon || nType == wkbPolygon25D ||
8537 11 : nType == wkbPolygon + 1000 || // wkbPolygonZ
8538 10 : nType == wkbPolygonM || nType == wkbPolygonZM)
8539 : {
8540 : double dfArea;
8541 5 : if (OGRWKBPolygonGetArea(pabyWkb, nWKBSize, dfArea))
8542 : {
8543 5 : sqlite3_result_double(pContext, dfArea);
8544 5 : return;
8545 0 : }
8546 : }
8547 8 : else if (nType == wkbMultiPolygon || nType == wkbMultiPolygon25D ||
8548 6 : nType == wkbMultiPolygon + 1000 || // wkbMultiPolygonZ
8549 5 : nType == wkbMultiPolygonM || nType == wkbMultiPolygonZM)
8550 : {
8551 : double dfArea;
8552 5 : if (OGRWKBMultiPolygonGetArea(pabyWkb, nWKBSize, dfArea))
8553 : {
8554 5 : sqlite3_result_double(pContext, dfArea);
8555 5 : return;
8556 : }
8557 : }
8558 : }
8559 :
8560 : // For curve geometries, fallback to OGRGeometry methods
8561 3 : poGeom.reset(GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8562 : }
8563 : else
8564 : {
8565 : // Try also spatialite geometry blobs
8566 2 : OGRGeometry *poGeomPtr = nullptr;
8567 2 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeomPtr) !=
8568 : OGRERR_NONE)
8569 : {
8570 1 : sqlite3_result_null(pContext);
8571 1 : return;
8572 : }
8573 1 : poGeom.reset(poGeomPtr);
8574 : }
8575 4 : auto poSurface = dynamic_cast<OGRSurface *>(poGeom.get());
8576 4 : if (poSurface == nullptr)
8577 : {
8578 2 : auto poMultiSurface = dynamic_cast<OGRMultiSurface *>(poGeom.get());
8579 2 : if (poMultiSurface == nullptr)
8580 : {
8581 1 : sqlite3_result_double(pContext, 0);
8582 : }
8583 : else
8584 : {
8585 1 : sqlite3_result_double(pContext, poMultiSurface->get_Area());
8586 : }
8587 : }
8588 : else
8589 : {
8590 2 : sqlite3_result_double(pContext, poSurface->get_Area());
8591 : }
8592 : }
8593 :
8594 : /************************************************************************/
8595 : /* OGRGeoPackageGeodesicArea() */
8596 : /************************************************************************/
8597 :
8598 5 : static void OGRGeoPackageGeodesicArea(sqlite3_context *pContext, int argc,
8599 : sqlite3_value **argv)
8600 : {
8601 5 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8602 : {
8603 1 : sqlite3_result_null(pContext);
8604 3 : return;
8605 : }
8606 4 : if (sqlite3_value_int(argv[1]) != 1)
8607 : {
8608 2 : CPLError(CE_Warning, CPLE_NotSupported,
8609 : "ST_Area(geom, use_ellipsoid) is only supported for "
8610 : "use_ellipsoid = 1");
8611 : }
8612 :
8613 4 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8614 : const GByte *pabyBLOB =
8615 4 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8616 : GPkgHeader sHeader;
8617 4 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8618 : {
8619 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8620 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8621 1 : return;
8622 : }
8623 :
8624 : GDALGeoPackageDataset *poDS =
8625 3 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8626 :
8627 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser> poSrcSRS(
8628 3 : poDS->GetSpatialRef(sHeader.iSrsId, true));
8629 3 : if (poSrcSRS == nullptr)
8630 : {
8631 1 : CPLError(CE_Failure, CPLE_AppDefined,
8632 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8633 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8634 1 : return;
8635 : }
8636 :
8637 : auto poGeom = std::unique_ptr<OGRGeometry>(
8638 2 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8639 2 : if (poGeom == nullptr)
8640 : {
8641 : // Try also spatialite geometry blobs
8642 0 : OGRGeometry *poGeomSpatialite = nullptr;
8643 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8644 0 : &poGeomSpatialite) != OGRERR_NONE)
8645 : {
8646 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8647 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8648 0 : return;
8649 : }
8650 0 : poGeom.reset(poGeomSpatialite);
8651 : }
8652 :
8653 2 : poGeom->assignSpatialReference(poSrcSRS.get());
8654 2 : sqlite3_result_double(
8655 : pContext, OGR_G_GeodesicArea(OGRGeometry::ToHandle(poGeom.get())));
8656 : }
8657 :
8658 : /************************************************************************/
8659 : /* OGRGeoPackageLengthOrGeodesicLength() */
8660 : /************************************************************************/
8661 :
8662 8 : static void OGRGeoPackageLengthOrGeodesicLength(sqlite3_context *pContext,
8663 : int argc, sqlite3_value **argv)
8664 : {
8665 8 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8666 : {
8667 2 : sqlite3_result_null(pContext);
8668 5 : return;
8669 : }
8670 6 : if (argc == 2 && sqlite3_value_int(argv[1]) != 1)
8671 : {
8672 2 : CPLError(CE_Warning, CPLE_NotSupported,
8673 : "ST_Length(geom, use_ellipsoid) is only supported for "
8674 : "use_ellipsoid = 1");
8675 : }
8676 :
8677 6 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8678 : const GByte *pabyBLOB =
8679 6 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8680 : GPkgHeader sHeader;
8681 6 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8682 : {
8683 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8684 2 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8685 2 : return;
8686 : }
8687 :
8688 : GDALGeoPackageDataset *poDS =
8689 4 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8690 :
8691 0 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser> poSrcSRS;
8692 4 : if (argc == 2)
8693 : {
8694 3 : poSrcSRS = poDS->GetSpatialRef(sHeader.iSrsId, true);
8695 3 : if (!poSrcSRS)
8696 : {
8697 1 : CPLError(CE_Failure, CPLE_AppDefined,
8698 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8699 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8700 1 : return;
8701 : }
8702 : }
8703 :
8704 : auto poGeom = std::unique_ptr<OGRGeometry>(
8705 3 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8706 3 : if (poGeom == nullptr)
8707 : {
8708 : // Try also spatialite geometry blobs
8709 0 : OGRGeometry *poGeomSpatialite = nullptr;
8710 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8711 0 : &poGeomSpatialite) != OGRERR_NONE)
8712 : {
8713 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8714 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8715 0 : return;
8716 : }
8717 0 : poGeom.reset(poGeomSpatialite);
8718 : }
8719 :
8720 3 : if (argc == 2)
8721 2 : poGeom->assignSpatialReference(poSrcSRS.get());
8722 :
8723 6 : sqlite3_result_double(
8724 : pContext,
8725 1 : argc == 1 ? OGR_G_Length(OGRGeometry::ToHandle(poGeom.get()))
8726 2 : : OGR_G_GeodesicLength(OGRGeometry::ToHandle(poGeom.get())));
8727 : }
8728 :
8729 : /************************************************************************/
8730 : /* OGRGeoPackageTransform() */
8731 : /************************************************************************/
8732 :
8733 : void OGRGeoPackageTransform(sqlite3_context *pContext, int argc,
8734 : sqlite3_value **argv);
8735 :
8736 32 : void OGRGeoPackageTransform(sqlite3_context *pContext, int argc,
8737 : sqlite3_value **argv)
8738 : {
8739 63 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB ||
8740 31 : sqlite3_value_type(argv[1]) != SQLITE_INTEGER)
8741 : {
8742 2 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8743 32 : return;
8744 : }
8745 :
8746 30 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8747 : const GByte *pabyBLOB =
8748 30 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8749 : GPkgHeader sHeader;
8750 30 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8751 : {
8752 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8753 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8754 1 : return;
8755 : }
8756 :
8757 29 : const int nDestSRID = sqlite3_value_int(argv[1]);
8758 29 : if (sHeader.iSrsId == nDestSRID)
8759 : {
8760 : // Return blob unmodified
8761 3 : sqlite3_result_blob(pContext, pabyBLOB, nBLOBLen, SQLITE_TRANSIENT);
8762 3 : return;
8763 : }
8764 :
8765 : GDALGeoPackageDataset *poDS =
8766 26 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8767 :
8768 : // Try to get the cached coordinate transformation
8769 : OGRCoordinateTransformation *poCT;
8770 26 : if (poDS->m_nLastCachedCTSrcSRId == sHeader.iSrsId &&
8771 20 : poDS->m_nLastCachedCTDstSRId == nDestSRID)
8772 : {
8773 20 : poCT = poDS->m_poLastCachedCT.get();
8774 : }
8775 : else
8776 : {
8777 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>
8778 6 : poSrcSRS(poDS->GetSpatialRef(sHeader.iSrsId, true));
8779 6 : if (poSrcSRS == nullptr)
8780 : {
8781 0 : CPLError(CE_Failure, CPLE_AppDefined,
8782 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8783 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8784 0 : return;
8785 : }
8786 :
8787 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>
8788 6 : poDstSRS(poDS->GetSpatialRef(nDestSRID, true));
8789 6 : if (poDstSRS == nullptr)
8790 : {
8791 0 : CPLError(CE_Failure, CPLE_AppDefined, "Target SRID (%d) is invalid",
8792 : nDestSRID);
8793 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8794 0 : return;
8795 : }
8796 : poCT =
8797 6 : OGRCreateCoordinateTransformation(poSrcSRS.get(), poDstSRS.get());
8798 6 : if (poCT == nullptr)
8799 : {
8800 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8801 0 : return;
8802 : }
8803 :
8804 : // Cache coordinate transformation for potential later reuse
8805 6 : poDS->m_nLastCachedCTSrcSRId = sHeader.iSrsId;
8806 6 : poDS->m_nLastCachedCTDstSRId = nDestSRID;
8807 6 : poDS->m_poLastCachedCT.reset(poCT);
8808 6 : poCT = poDS->m_poLastCachedCT.get();
8809 : }
8810 :
8811 26 : if (sHeader.nHeaderLen >= 8)
8812 : {
8813 26 : std::vector<GByte> &abyNewBLOB = poDS->m_abyWKBTransformCache;
8814 26 : abyNewBLOB.resize(nBLOBLen);
8815 26 : memcpy(abyNewBLOB.data(), pabyBLOB, nBLOBLen);
8816 :
8817 26 : OGREnvelope3D oEnv3d;
8818 26 : if (!OGRWKBTransform(abyNewBLOB.data() + sHeader.nHeaderLen,
8819 26 : nBLOBLen - sHeader.nHeaderLen, poCT,
8820 78 : poDS->m_oWKBTransformCache, oEnv3d) ||
8821 26 : !GPkgUpdateHeader(abyNewBLOB.data(), nBLOBLen, nDestSRID,
8822 : oEnv3d.MinX, oEnv3d.MaxX, oEnv3d.MinY,
8823 : oEnv3d.MaxY, oEnv3d.MinZ, oEnv3d.MaxZ))
8824 : {
8825 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8826 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8827 0 : return;
8828 : }
8829 :
8830 26 : sqlite3_result_blob(pContext, abyNewBLOB.data(), nBLOBLen,
8831 : SQLITE_TRANSIENT);
8832 26 : return;
8833 : }
8834 :
8835 : // Try also spatialite geometry blobs
8836 0 : OGRGeometry *poGeomSpatialite = nullptr;
8837 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8838 0 : &poGeomSpatialite) != OGRERR_NONE)
8839 : {
8840 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8841 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8842 0 : return;
8843 : }
8844 0 : auto poGeom = std::unique_ptr<OGRGeometry>(poGeomSpatialite);
8845 :
8846 0 : if (poGeom->transform(poCT) != OGRERR_NONE)
8847 : {
8848 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8849 0 : return;
8850 : }
8851 :
8852 0 : size_t nBLOBDestLen = 0;
8853 : GByte *pabyDestBLOB =
8854 0 : GPkgGeometryFromOGR(poGeom.get(), nDestSRID, nullptr, &nBLOBDestLen);
8855 0 : if (!pabyDestBLOB)
8856 : {
8857 0 : sqlite3_result_null(pContext);
8858 0 : return;
8859 : }
8860 0 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
8861 : VSIFree);
8862 : }
8863 :
8864 : /************************************************************************/
8865 : /* OGRGeoPackageSridFromAuthCRS() */
8866 : /************************************************************************/
8867 :
8868 4 : static void OGRGeoPackageSridFromAuthCRS(sqlite3_context *pContext,
8869 : int /*argc*/, sqlite3_value **argv)
8870 : {
8871 7 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8872 3 : sqlite3_value_type(argv[1]) != SQLITE_INTEGER)
8873 : {
8874 2 : sqlite3_result_int(pContext, -1);
8875 2 : return;
8876 : }
8877 :
8878 : GDALGeoPackageDataset *poDS =
8879 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8880 :
8881 2 : char *pszSQL = sqlite3_mprintf(
8882 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
8883 : "lower(organization) = lower('%q') AND organization_coordsys_id = %d",
8884 2 : sqlite3_value_text(argv[0]), sqlite3_value_int(argv[1]));
8885 2 : OGRErr err = OGRERR_NONE;
8886 2 : int nSRSId = SQLGetInteger(poDS->GetDB(), pszSQL, &err);
8887 2 : sqlite3_free(pszSQL);
8888 2 : if (err != OGRERR_NONE)
8889 1 : nSRSId = -1;
8890 2 : sqlite3_result_int(pContext, nSRSId);
8891 : }
8892 :
8893 : /************************************************************************/
8894 : /* OGRGeoPackageImportFromEPSG() */
8895 : /************************************************************************/
8896 :
8897 4 : static void OGRGeoPackageImportFromEPSG(sqlite3_context *pContext, int /*argc*/,
8898 : sqlite3_value **argv)
8899 : {
8900 4 : if (sqlite3_value_type(argv[0]) != SQLITE_INTEGER)
8901 : {
8902 1 : sqlite3_result_int(pContext, -1);
8903 2 : return;
8904 : }
8905 :
8906 : GDALGeoPackageDataset *poDS =
8907 3 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8908 3 : OGRSpatialReference oSRS;
8909 3 : if (oSRS.importFromEPSG(sqlite3_value_int(argv[0])) != OGRERR_NONE)
8910 : {
8911 1 : sqlite3_result_int(pContext, -1);
8912 1 : return;
8913 : }
8914 :
8915 2 : sqlite3_result_int(pContext, poDS->GetSrsId(&oSRS));
8916 : }
8917 :
8918 : /************************************************************************/
8919 : /* OGRGeoPackageRegisterGeometryExtension() */
8920 : /************************************************************************/
8921 :
8922 1 : static void OGRGeoPackageRegisterGeometryExtension(sqlite3_context *pContext,
8923 : int /*argc*/,
8924 : sqlite3_value **argv)
8925 : {
8926 1 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8927 2 : sqlite3_value_type(argv[1]) != SQLITE_TEXT ||
8928 1 : sqlite3_value_type(argv[2]) != SQLITE_TEXT)
8929 : {
8930 0 : sqlite3_result_int(pContext, 0);
8931 0 : return;
8932 : }
8933 :
8934 : const char *pszTableName =
8935 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8936 : const char *pszGeomName =
8937 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8938 : const char *pszGeomType =
8939 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[2]));
8940 :
8941 : GDALGeoPackageDataset *poDS =
8942 1 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8943 :
8944 1 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8945 1 : poDS->GetLayerByName(pszTableName));
8946 1 : if (poLyr == nullptr)
8947 : {
8948 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8949 0 : sqlite3_result_int(pContext, 0);
8950 0 : return;
8951 : }
8952 1 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
8953 : {
8954 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
8955 0 : sqlite3_result_int(pContext, 0);
8956 0 : return;
8957 : }
8958 1 : const OGRwkbGeometryType eGeomType = OGRFromOGCGeomType(pszGeomType);
8959 1 : if (eGeomType == wkbUnknown)
8960 : {
8961 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry type name");
8962 0 : sqlite3_result_int(pContext, 0);
8963 0 : return;
8964 : }
8965 :
8966 1 : sqlite3_result_int(
8967 : pContext,
8968 1 : static_cast<int>(poLyr->CreateGeometryExtensionIfNecessary(eGeomType)));
8969 : }
8970 :
8971 : /************************************************************************/
8972 : /* OGRGeoPackageCreateSpatialIndex() */
8973 : /************************************************************************/
8974 :
8975 14 : static void OGRGeoPackageCreateSpatialIndex(sqlite3_context *pContext,
8976 : int /*argc*/, sqlite3_value **argv)
8977 : {
8978 27 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8979 13 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8980 : {
8981 2 : sqlite3_result_int(pContext, 0);
8982 2 : return;
8983 : }
8984 :
8985 : const char *pszTableName =
8986 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8987 : const char *pszGeomName =
8988 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8989 : GDALGeoPackageDataset *poDS =
8990 12 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8991 :
8992 12 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8993 12 : poDS->GetLayerByName(pszTableName));
8994 12 : if (poLyr == nullptr)
8995 : {
8996 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8997 1 : sqlite3_result_int(pContext, 0);
8998 1 : return;
8999 : }
9000 11 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9001 : {
9002 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9003 1 : sqlite3_result_int(pContext, 0);
9004 1 : return;
9005 : }
9006 :
9007 10 : sqlite3_result_int(pContext, poLyr->CreateSpatialIndex());
9008 : }
9009 :
9010 : /************************************************************************/
9011 : /* OGRGeoPackageDisableSpatialIndex() */
9012 : /************************************************************************/
9013 :
9014 12 : static void OGRGeoPackageDisableSpatialIndex(sqlite3_context *pContext,
9015 : int /*argc*/, sqlite3_value **argv)
9016 : {
9017 23 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9018 11 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9019 : {
9020 2 : sqlite3_result_int(pContext, 0);
9021 2 : return;
9022 : }
9023 :
9024 : const char *pszTableName =
9025 10 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9026 : const char *pszGeomName =
9027 10 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9028 : GDALGeoPackageDataset *poDS =
9029 10 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9030 :
9031 10 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
9032 10 : poDS->GetLayerByName(pszTableName));
9033 10 : if (poLyr == nullptr)
9034 : {
9035 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
9036 1 : sqlite3_result_int(pContext, 0);
9037 1 : return;
9038 : }
9039 9 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9040 : {
9041 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9042 1 : sqlite3_result_int(pContext, 0);
9043 1 : return;
9044 : }
9045 :
9046 8 : sqlite3_result_int(pContext, poLyr->DropSpatialIndex(true));
9047 : }
9048 :
9049 : /************************************************************************/
9050 : /* OGRGeoPackageHasSpatialIndex() */
9051 : /************************************************************************/
9052 :
9053 29 : static void OGRGeoPackageHasSpatialIndex(sqlite3_context *pContext,
9054 : int /*argc*/, sqlite3_value **argv)
9055 : {
9056 57 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9057 28 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9058 : {
9059 2 : sqlite3_result_int(pContext, 0);
9060 2 : return;
9061 : }
9062 :
9063 : const char *pszTableName =
9064 27 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9065 : const char *pszGeomName =
9066 27 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9067 : GDALGeoPackageDataset *poDS =
9068 27 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9069 :
9070 27 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
9071 27 : poDS->GetLayerByName(pszTableName));
9072 27 : if (poLyr == nullptr)
9073 : {
9074 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
9075 1 : sqlite3_result_int(pContext, 0);
9076 1 : return;
9077 : }
9078 26 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9079 : {
9080 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9081 1 : sqlite3_result_int(pContext, 0);
9082 1 : return;
9083 : }
9084 :
9085 25 : poLyr->RunDeferredCreationIfNecessary();
9086 25 : poLyr->CreateSpatialIndexIfNecessary();
9087 :
9088 25 : sqlite3_result_int(pContext, poLyr->HasSpatialIndex());
9089 : }
9090 :
9091 : /************************************************************************/
9092 : /* GPKG_hstore_get_value() */
9093 : /************************************************************************/
9094 :
9095 4 : static void GPKG_hstore_get_value(sqlite3_context *pContext, int /*argc*/,
9096 : sqlite3_value **argv)
9097 : {
9098 7 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9099 3 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9100 : {
9101 2 : sqlite3_result_null(pContext);
9102 2 : return;
9103 : }
9104 :
9105 : const char *pszHStore =
9106 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9107 : const char *pszSearchedKey =
9108 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9109 2 : char *pszValue = OGRHStoreGetValue(pszHStore, pszSearchedKey);
9110 2 : if (pszValue != nullptr)
9111 1 : sqlite3_result_text(pContext, pszValue, -1, CPLFree);
9112 : else
9113 1 : sqlite3_result_null(pContext);
9114 : }
9115 :
9116 : /************************************************************************/
9117 : /* GPKG_GDAL_GetMemFileFromBlob() */
9118 : /************************************************************************/
9119 :
9120 105 : static CPLString GPKG_GDAL_GetMemFileFromBlob(sqlite3_value **argv)
9121 : {
9122 105 : int nBytes = sqlite3_value_bytes(argv[0]);
9123 : const GByte *pabyBLOB =
9124 105 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
9125 : CPLString osMemFileName(
9126 105 : VSIMemGenerateHiddenFilename("GPKG_GDAL_GetMemFileFromBlob"));
9127 105 : VSILFILE *fp = VSIFileFromMemBuffer(
9128 : osMemFileName.c_str(), const_cast<GByte *>(pabyBLOB), nBytes, FALSE);
9129 105 : VSIFCloseL(fp);
9130 105 : return osMemFileName;
9131 : }
9132 :
9133 : /************************************************************************/
9134 : /* GPKG_GDAL_GetMimeType() */
9135 : /************************************************************************/
9136 :
9137 35 : static void GPKG_GDAL_GetMimeType(sqlite3_context *pContext, int /*argc*/,
9138 : sqlite3_value **argv)
9139 : {
9140 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9141 : {
9142 0 : sqlite3_result_null(pContext);
9143 0 : return;
9144 : }
9145 :
9146 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9147 : GDALDriver *poDriver =
9148 35 : GDALDriver::FromHandle(GDALIdentifyDriver(osMemFileName, nullptr));
9149 35 : if (poDriver != nullptr)
9150 : {
9151 35 : const char *pszRes = nullptr;
9152 35 : if (EQUAL(poDriver->GetDescription(), "PNG"))
9153 23 : pszRes = "image/png";
9154 12 : else if (EQUAL(poDriver->GetDescription(), "JPEG"))
9155 6 : pszRes = "image/jpeg";
9156 6 : else if (EQUAL(poDriver->GetDescription(), "WEBP"))
9157 6 : pszRes = "image/x-webp";
9158 0 : else if (EQUAL(poDriver->GetDescription(), "GTIFF"))
9159 0 : pszRes = "image/tiff";
9160 : else
9161 0 : pszRes = CPLSPrintf("gdal/%s", poDriver->GetDescription());
9162 35 : sqlite3_result_text(pContext, pszRes, -1, SQLITE_TRANSIENT);
9163 : }
9164 : else
9165 0 : sqlite3_result_null(pContext);
9166 35 : VSIUnlink(osMemFileName);
9167 : }
9168 :
9169 : /************************************************************************/
9170 : /* GPKG_GDAL_GetBandCount() */
9171 : /************************************************************************/
9172 :
9173 35 : static void GPKG_GDAL_GetBandCount(sqlite3_context *pContext, int /*argc*/,
9174 : sqlite3_value **argv)
9175 : {
9176 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9177 : {
9178 0 : sqlite3_result_null(pContext);
9179 0 : return;
9180 : }
9181 :
9182 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9183 : auto poDS = std::unique_ptr<GDALDataset>(
9184 : GDALDataset::Open(osMemFileName, GDAL_OF_RASTER | GDAL_OF_INTERNAL,
9185 70 : nullptr, nullptr, nullptr));
9186 35 : if (poDS != nullptr)
9187 : {
9188 35 : sqlite3_result_int(pContext, poDS->GetRasterCount());
9189 : }
9190 : else
9191 0 : sqlite3_result_null(pContext);
9192 35 : VSIUnlink(osMemFileName);
9193 : }
9194 :
9195 : /************************************************************************/
9196 : /* GPKG_GDAL_HasColorTable() */
9197 : /************************************************************************/
9198 :
9199 35 : static void GPKG_GDAL_HasColorTable(sqlite3_context *pContext, int /*argc*/,
9200 : sqlite3_value **argv)
9201 : {
9202 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9203 : {
9204 0 : sqlite3_result_null(pContext);
9205 0 : return;
9206 : }
9207 :
9208 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9209 : auto poDS = std::unique_ptr<GDALDataset>(
9210 : GDALDataset::Open(osMemFileName, GDAL_OF_RASTER | GDAL_OF_INTERNAL,
9211 70 : nullptr, nullptr, nullptr));
9212 35 : if (poDS != nullptr)
9213 : {
9214 35 : sqlite3_result_int(
9215 46 : pContext, poDS->GetRasterCount() == 1 &&
9216 11 : poDS->GetRasterBand(1)->GetColorTable() != nullptr);
9217 : }
9218 : else
9219 0 : sqlite3_result_null(pContext);
9220 35 : VSIUnlink(osMemFileName);
9221 : }
9222 :
9223 : /************************************************************************/
9224 : /* GetRasterLayerDataset() */
9225 : /************************************************************************/
9226 :
9227 : GDALDataset *
9228 12 : GDALGeoPackageDataset::GetRasterLayerDataset(const char *pszLayerName)
9229 : {
9230 12 : const auto oIter = m_oCachedRasterDS.find(pszLayerName);
9231 12 : if (oIter != m_oCachedRasterDS.end())
9232 10 : return oIter->second.get();
9233 :
9234 : auto poDS = std::unique_ptr<GDALDataset>(GDALDataset::Open(
9235 4 : (std::string("GPKG:\"") + m_pszFilename + "\":" + pszLayerName).c_str(),
9236 4 : GDAL_OF_RASTER | GDAL_OF_VERBOSE_ERROR));
9237 2 : if (!poDS)
9238 : {
9239 0 : return nullptr;
9240 : }
9241 2 : m_oCachedRasterDS[pszLayerName] = std::move(poDS);
9242 2 : return m_oCachedRasterDS[pszLayerName].get();
9243 : }
9244 :
9245 : /************************************************************************/
9246 : /* GPKG_gdal_get_layer_pixel_value() */
9247 : /************************************************************************/
9248 :
9249 : // NOTE: keep in sync implementations in ogrsqlitesqlfunctionscommon.cpp
9250 : // and ogrgeopackagedatasource.cpp
9251 13 : static void GPKG_gdal_get_layer_pixel_value(sqlite3_context *pContext, int argc,
9252 : sqlite3_value **argv)
9253 : {
9254 13 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT)
9255 : {
9256 1 : CPLError(CE_Failure, CPLE_AppDefined,
9257 : "Invalid arguments to gdal_get_layer_pixel_value()");
9258 1 : sqlite3_result_null(pContext);
9259 1 : return;
9260 : }
9261 :
9262 : const char *pszLayerName =
9263 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9264 :
9265 : GDALGeoPackageDataset *poGlobalDS =
9266 12 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9267 12 : auto poDS = poGlobalDS->GetRasterLayerDataset(pszLayerName);
9268 12 : if (!poDS)
9269 : {
9270 0 : sqlite3_result_null(pContext);
9271 0 : return;
9272 : }
9273 :
9274 12 : OGRSQLite_gdal_get_pixel_value_common("gdal_get_layer_pixel_value",
9275 : pContext, argc, argv, poDS);
9276 : }
9277 :
9278 : /************************************************************************/
9279 : /* GPKG_ogr_layer_Extent() */
9280 : /************************************************************************/
9281 :
9282 3 : static void GPKG_ogr_layer_Extent(sqlite3_context *pContext, int /*argc*/,
9283 : sqlite3_value **argv)
9284 : {
9285 3 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT)
9286 : {
9287 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Invalid argument type",
9288 : "ogr_layer_Extent");
9289 1 : sqlite3_result_null(pContext);
9290 2 : return;
9291 : }
9292 :
9293 : const char *pszLayerName =
9294 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9295 : GDALGeoPackageDataset *poDS =
9296 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9297 2 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9298 2 : if (!poLayer)
9299 : {
9300 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer",
9301 : "ogr_layer_Extent");
9302 1 : sqlite3_result_null(pContext);
9303 1 : return;
9304 : }
9305 :
9306 1 : if (poLayer->GetGeomType() == wkbNone)
9307 : {
9308 0 : sqlite3_result_null(pContext);
9309 0 : return;
9310 : }
9311 :
9312 1 : OGREnvelope sExtent;
9313 1 : if (poLayer->GetExtent(&sExtent, true) != OGRERR_NONE)
9314 : {
9315 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9316 : "ogr_layer_Extent");
9317 0 : sqlite3_result_null(pContext);
9318 0 : return;
9319 : }
9320 :
9321 1 : OGRPolygon oPoly;
9322 1 : auto poRing = std::make_unique<OGRLinearRing>();
9323 1 : poRing->addPoint(sExtent.MinX, sExtent.MinY);
9324 1 : poRing->addPoint(sExtent.MaxX, sExtent.MinY);
9325 1 : poRing->addPoint(sExtent.MaxX, sExtent.MaxY);
9326 1 : poRing->addPoint(sExtent.MinX, sExtent.MaxY);
9327 1 : poRing->addPoint(sExtent.MinX, sExtent.MinY);
9328 1 : oPoly.addRing(std::move(poRing));
9329 :
9330 1 : const auto poSRS = poLayer->GetSpatialRef();
9331 1 : const int nSRID = poDS->GetSrsId(poSRS);
9332 1 : size_t nBLOBDestLen = 0;
9333 : GByte *pabyDestBLOB =
9334 1 : GPkgGeometryFromOGR(&oPoly, nSRID, nullptr, &nBLOBDestLen);
9335 1 : if (!pabyDestBLOB)
9336 : {
9337 0 : sqlite3_result_null(pContext);
9338 0 : return;
9339 : }
9340 1 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
9341 : VSIFree);
9342 : }
9343 :
9344 : /************************************************************************/
9345 : /* GPKG_ST_Hilbert_X_Y_TableName() */
9346 : /************************************************************************/
9347 :
9348 8 : static void GPKG_ST_Hilbert_X_Y_TableName(sqlite3_context *pContext,
9349 : [[maybe_unused]] int argc,
9350 : sqlite3_value **argv)
9351 : {
9352 8 : CPLAssert(argc == 3);
9353 8 : const double dfX = sqlite3_value_double(argv[0]);
9354 8 : const double dfY = sqlite3_value_double(argv[1]);
9355 :
9356 8 : if (sqlite3_value_type(argv[2]) != SQLITE_TEXT)
9357 : {
9358 1 : CPLError(CE_Failure, CPLE_AppDefined,
9359 : "%s: Invalid argument type for 3rd argument. Text expected",
9360 : "ST_Hilbert()");
9361 1 : sqlite3_result_null(pContext);
9362 6 : return;
9363 : }
9364 :
9365 : const char *pszLayerName =
9366 7 : reinterpret_cast<const char *>(sqlite3_value_text(argv[2]));
9367 : GDALGeoPackageDataset *poDS =
9368 7 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9369 7 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9370 7 : if (!poLayer)
9371 : {
9372 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer '%s'",
9373 : "ST_Hilbert()", pszLayerName);
9374 1 : sqlite3_result_null(pContext);
9375 1 : return;
9376 : }
9377 :
9378 6 : OGREnvelope sExtent;
9379 6 : if (poLayer->GetExtent(&sExtent, true) != OGRERR_NONE)
9380 : {
9381 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9382 : "ST_Hilbert()");
9383 0 : sqlite3_result_null(pContext);
9384 0 : return;
9385 : }
9386 6 : if (!(dfX >= sExtent.MinX && dfY >= sExtent.MinY && dfX <= sExtent.MaxX &&
9387 3 : dfY <= sExtent.MaxY))
9388 : {
9389 4 : CPLError(CE_Warning, CPLE_AppDefined,
9390 : "ST_Hilbert(): (%g, %g) is not within passed bounding box",
9391 : dfX, dfY);
9392 4 : sqlite3_result_null(pContext);
9393 4 : return;
9394 : }
9395 2 : sqlite3_result_int64(pContext, GDALHilbertCode(&sExtent, dfX, dfY));
9396 : }
9397 :
9398 : /************************************************************************/
9399 : /* GPKG_ST_Hilbert_Geom_BBOX() */
9400 : /************************************************************************/
9401 :
9402 6 : static void GPKG_ST_Hilbert_Geom_BBOX(sqlite3_context *pContext, int argc,
9403 : sqlite3_value **argv)
9404 : {
9405 6 : CPLAssert(argc == 5);
9406 : GPkgHeader sHeader;
9407 6 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
9408 : {
9409 1 : sqlite3_result_null(pContext);
9410 5 : return;
9411 : }
9412 5 : const double dfX = (sHeader.MinX + sHeader.MaxX) / 2;
9413 5 : const double dfY = (sHeader.MinY + sHeader.MaxY) / 2;
9414 :
9415 5 : OGREnvelope sExtent;
9416 5 : sExtent.MinX = sqlite3_value_double(argv[1]);
9417 5 : sExtent.MinY = sqlite3_value_double(argv[2]);
9418 5 : sExtent.MaxX = sqlite3_value_double(argv[3]);
9419 5 : sExtent.MaxY = sqlite3_value_double(argv[4]);
9420 5 : if (!(dfX >= sExtent.MinX && dfY >= sExtent.MinY && dfX <= sExtent.MaxX &&
9421 2 : dfY <= sExtent.MaxY))
9422 : {
9423 4 : CPLError(CE_Warning, CPLE_AppDefined,
9424 : "ST_Hilbert(): (%g, %g) is not within passed bounding box",
9425 : dfX, dfY);
9426 4 : sqlite3_result_null(pContext);
9427 4 : return;
9428 : }
9429 1 : sqlite3_result_int64(pContext, GDALHilbertCode(&sExtent, dfX, dfY));
9430 : }
9431 :
9432 : /************************************************************************/
9433 : /* GPKG_ST_Hilbert_Geom_TableName() */
9434 : /************************************************************************/
9435 :
9436 4 : static void GPKG_ST_Hilbert_Geom_TableName(sqlite3_context *pContext, int argc,
9437 : sqlite3_value **argv)
9438 : {
9439 4 : CPLAssert(argc == 2);
9440 : GPkgHeader sHeader;
9441 4 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
9442 : {
9443 1 : sqlite3_result_null(pContext);
9444 3 : return;
9445 : }
9446 3 : const double dfX = (sHeader.MinX + sHeader.MaxX) / 2;
9447 3 : const double dfY = (sHeader.MinY + sHeader.MaxY) / 2;
9448 :
9449 3 : if (sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9450 : {
9451 1 : CPLError(CE_Failure, CPLE_AppDefined,
9452 : "%s: Invalid argument type for 2nd argument. Text expected",
9453 : "ST_Hilbert()");
9454 1 : sqlite3_result_null(pContext);
9455 1 : return;
9456 : }
9457 :
9458 : const char *pszLayerName =
9459 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9460 : GDALGeoPackageDataset *poDS =
9461 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9462 2 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9463 2 : if (!poLayer)
9464 : {
9465 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer '%s'",
9466 : "ST_Hilbert()", pszLayerName);
9467 1 : sqlite3_result_null(pContext);
9468 1 : return;
9469 : }
9470 :
9471 1 : OGREnvelope sExtent;
9472 1 : if (poLayer->GetExtent(&sExtent, true) != OGRERR_NONE)
9473 : {
9474 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9475 : "ST_Hilbert()");
9476 0 : sqlite3_result_null(pContext);
9477 0 : return;
9478 : }
9479 1 : if (!(dfX >= sExtent.MinX && dfY >= sExtent.MinY && dfX <= sExtent.MaxX &&
9480 1 : dfY <= sExtent.MaxY))
9481 : {
9482 0 : CPLError(CE_Warning, CPLE_AppDefined,
9483 : "ST_Hilbert(): (%g, %g) is not within passed bounding box",
9484 : dfX, dfY);
9485 0 : sqlite3_result_null(pContext);
9486 0 : return;
9487 : }
9488 1 : sqlite3_result_int64(pContext, GDALHilbertCode(&sExtent, dfX, dfY));
9489 : }
9490 :
9491 : /************************************************************************/
9492 : /* InstallSQLFunctions() */
9493 : /************************************************************************/
9494 :
9495 : #ifndef SQLITE_DETERMINISTIC
9496 : #define SQLITE_DETERMINISTIC 0
9497 : #endif
9498 :
9499 : #ifndef SQLITE_INNOCUOUS
9500 : #define SQLITE_INNOCUOUS 0
9501 : #endif
9502 :
9503 : #ifndef UTF8_INNOCUOUS
9504 : #define UTF8_INNOCUOUS (SQLITE_UTF8 | SQLITE_DETERMINISTIC | SQLITE_INNOCUOUS)
9505 : #endif
9506 :
9507 2274 : void GDALGeoPackageDataset::InstallSQLFunctions()
9508 : {
9509 2274 : InitSpatialite();
9510 :
9511 : // Enable SpatiaLite 4.3 GPKG mode, i.e. that SpatiaLite functions
9512 : // that take geometries will accept and return GPKG encoded geometries without
9513 : // explicit conversion.
9514 : // Use sqlite3_exec() instead of SQLCommand() since we don't want verbose
9515 : // error.
9516 2274 : sqlite3_exec(hDB, "SELECT EnableGpkgMode()", nullptr, nullptr, nullptr);
9517 :
9518 : /* Used by RTree Spatial Index Extension */
9519 2274 : sqlite3_create_function(hDB, "ST_MinX", 1, UTF8_INNOCUOUS, nullptr,
9520 : OGRGeoPackageSTMinX, nullptr, nullptr);
9521 2274 : sqlite3_create_function(hDB, "ST_MinY", 1, UTF8_INNOCUOUS, nullptr,
9522 : OGRGeoPackageSTMinY, nullptr, nullptr);
9523 2274 : sqlite3_create_function(hDB, "ST_MaxX", 1, UTF8_INNOCUOUS, nullptr,
9524 : OGRGeoPackageSTMaxX, nullptr, nullptr);
9525 2274 : sqlite3_create_function(hDB, "ST_MaxY", 1, UTF8_INNOCUOUS, nullptr,
9526 : OGRGeoPackageSTMaxY, nullptr, nullptr);
9527 2274 : sqlite3_create_function(hDB, "ST_IsEmpty", 1, UTF8_INNOCUOUS, nullptr,
9528 : OGRGeoPackageSTIsEmpty, nullptr, nullptr);
9529 :
9530 : /* Used by Geometry Type Triggers Extension */
9531 2274 : sqlite3_create_function(hDB, "ST_GeometryType", 1, UTF8_INNOCUOUS, nullptr,
9532 : OGRGeoPackageSTGeometryType, nullptr, nullptr);
9533 2274 : sqlite3_create_function(hDB, "GPKG_IsAssignable", 2, UTF8_INNOCUOUS,
9534 : nullptr, OGRGeoPackageGPKGIsAssignable, nullptr,
9535 : nullptr);
9536 :
9537 : /* Used by Geometry SRS ID Triggers Extension */
9538 2274 : sqlite3_create_function(hDB, "ST_SRID", 1, UTF8_INNOCUOUS, nullptr,
9539 : OGRGeoPackageSTSRID, nullptr, nullptr);
9540 :
9541 : /* Spatialite-like functions */
9542 2274 : sqlite3_create_function(hDB, "CreateSpatialIndex", 2, SQLITE_UTF8, this,
9543 : OGRGeoPackageCreateSpatialIndex, nullptr, nullptr);
9544 2274 : sqlite3_create_function(hDB, "DisableSpatialIndex", 2, SQLITE_UTF8, this,
9545 : OGRGeoPackageDisableSpatialIndex, nullptr, nullptr);
9546 2274 : sqlite3_create_function(hDB, "HasSpatialIndex", 2, SQLITE_UTF8, this,
9547 : OGRGeoPackageHasSpatialIndex, nullptr, nullptr);
9548 :
9549 : // HSTORE functions
9550 2274 : sqlite3_create_function(hDB, "hstore_get_value", 2, UTF8_INNOCUOUS, nullptr,
9551 : GPKG_hstore_get_value, nullptr, nullptr);
9552 :
9553 : // Override a few Spatialite functions to work with gpkg_spatial_ref_sys
9554 2274 : sqlite3_create_function(hDB, "ST_Transform", 2, UTF8_INNOCUOUS, this,
9555 : OGRGeoPackageTransform, nullptr, nullptr);
9556 2274 : sqlite3_create_function(hDB, "Transform", 2, UTF8_INNOCUOUS, this,
9557 : OGRGeoPackageTransform, nullptr, nullptr);
9558 2274 : sqlite3_create_function(hDB, "SridFromAuthCRS", 2, SQLITE_UTF8, this,
9559 : OGRGeoPackageSridFromAuthCRS, nullptr, nullptr);
9560 :
9561 2274 : sqlite3_create_function(hDB, "ST_EnvIntersects", 2, UTF8_INNOCUOUS, nullptr,
9562 : OGRGeoPackageSTEnvelopesIntersectsTwoParams,
9563 : nullptr, nullptr);
9564 2274 : sqlite3_create_function(
9565 : hDB, "ST_EnvelopesIntersects", 2, UTF8_INNOCUOUS, nullptr,
9566 : OGRGeoPackageSTEnvelopesIntersectsTwoParams, nullptr, nullptr);
9567 :
9568 2274 : sqlite3_create_function(hDB, "ST_EnvIntersects", 5, UTF8_INNOCUOUS, nullptr,
9569 : OGRGeoPackageSTEnvelopesIntersects, nullptr,
9570 : nullptr);
9571 2274 : sqlite3_create_function(hDB, "ST_EnvelopesIntersects", 5, UTF8_INNOCUOUS,
9572 : nullptr, OGRGeoPackageSTEnvelopesIntersects,
9573 : nullptr, nullptr);
9574 :
9575 : // Implementation that directly hacks the GeoPackage geometry blob header
9576 2274 : sqlite3_create_function(hDB, "SetSRID", 2, UTF8_INNOCUOUS, nullptr,
9577 : OGRGeoPackageSetSRID, nullptr, nullptr);
9578 :
9579 : // GDAL specific function
9580 2274 : sqlite3_create_function(hDB, "ImportFromEPSG", 1, SQLITE_UTF8, this,
9581 : OGRGeoPackageImportFromEPSG, nullptr, nullptr);
9582 :
9583 : // May be used by ogrmerge.py
9584 2274 : sqlite3_create_function(hDB, "RegisterGeometryExtension", 3, SQLITE_UTF8,
9585 : this, OGRGeoPackageRegisterGeometryExtension,
9586 : nullptr, nullptr);
9587 :
9588 2274 : if (OGRGeometryFactory::haveGEOS())
9589 : {
9590 2274 : sqlite3_create_function(hDB, "ST_MakeValid", 1, UTF8_INNOCUOUS, nullptr,
9591 : OGRGeoPackageSTMakeValid, nullptr, nullptr);
9592 : }
9593 :
9594 2274 : sqlite3_create_function(hDB, "ST_Length", 1, UTF8_INNOCUOUS, nullptr,
9595 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9596 : nullptr);
9597 2274 : sqlite3_create_function(hDB, "ST_Length", 2, UTF8_INNOCUOUS, this,
9598 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9599 : nullptr);
9600 :
9601 2274 : sqlite3_create_function(hDB, "ST_Area", 1, UTF8_INNOCUOUS, nullptr,
9602 : OGRGeoPackageSTArea, nullptr, nullptr);
9603 2274 : sqlite3_create_function(hDB, "ST_Area", 2, UTF8_INNOCUOUS, this,
9604 : OGRGeoPackageGeodesicArea, nullptr, nullptr);
9605 :
9606 : // Debug functions
9607 2274 : if (CPLTestBool(CPLGetConfigOption("GPKG_DEBUG", "FALSE")))
9608 : {
9609 422 : sqlite3_create_function(hDB, "GDAL_GetMimeType", 1,
9610 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9611 : GPKG_GDAL_GetMimeType, nullptr, nullptr);
9612 422 : sqlite3_create_function(hDB, "GDAL_GetBandCount", 1,
9613 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9614 : GPKG_GDAL_GetBandCount, nullptr, nullptr);
9615 422 : sqlite3_create_function(hDB, "GDAL_HasColorTable", 1,
9616 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9617 : GPKG_GDAL_HasColorTable, nullptr, nullptr);
9618 : }
9619 :
9620 2274 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 5, SQLITE_UTF8,
9621 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9622 : nullptr);
9623 2274 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 6, SQLITE_UTF8,
9624 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9625 : nullptr);
9626 :
9627 : // Function from VirtualOGR
9628 2274 : sqlite3_create_function(hDB, "ogr_layer_Extent", 1, SQLITE_UTF8, this,
9629 : GPKG_ogr_layer_Extent, nullptr, nullptr);
9630 :
9631 2274 : m_pSQLFunctionData = OGRSQLiteRegisterSQLFunctionsCommon(hDB);
9632 :
9633 : // ST_Hilbert() inspired from https://duckdb.org/docs/stable/core_extensions/spatial/functions#st_hilbert
9634 : // Override the generic version of OGRSQLiteRegisterSQLFunctionsCommon()
9635 :
9636 : // X,Y,table_name
9637 2274 : sqlite3_create_function(hDB, "ST_Hilbert", 2 + 1, UTF8_INNOCUOUS, this,
9638 : GPKG_ST_Hilbert_X_Y_TableName, nullptr, nullptr);
9639 :
9640 : // geometry,minX,minY,maxX,maxY
9641 2274 : sqlite3_create_function(hDB, "ST_Hilbert", 1 + 4, UTF8_INNOCUOUS, nullptr,
9642 : GPKG_ST_Hilbert_Geom_BBOX, nullptr, nullptr);
9643 :
9644 : // geometry,table_name
9645 2274 : sqlite3_create_function(hDB, "ST_Hilbert", 1 + 1, UTF8_INNOCUOUS, this,
9646 : GPKG_ST_Hilbert_Geom_TableName, nullptr, nullptr);
9647 2274 : }
9648 :
9649 : /************************************************************************/
9650 : /* OpenOrCreateDB() */
9651 : /************************************************************************/
9652 :
9653 2278 : bool GDALGeoPackageDataset::OpenOrCreateDB(int flags)
9654 : {
9655 2278 : const bool bSuccess = OGRSQLiteBaseDataSource::OpenOrCreateDB(
9656 : flags, /*bRegisterOGR2SQLiteExtensions=*/false,
9657 : /*bLoadExtensions=*/true);
9658 2278 : if (!bSuccess)
9659 9 : return false;
9660 :
9661 : // Turning on recursive_triggers is needed so that DELETE triggers fire
9662 : // in a INSERT OR REPLACE statement. In particular this is needed to
9663 : // make sure gpkg_ogr_contents.feature_count is properly updated.
9664 2269 : SQLCommand(hDB, "PRAGMA recursive_triggers = 1");
9665 :
9666 2269 : InstallSQLFunctions();
9667 :
9668 : const char *pszSqlitePragma =
9669 2269 : CPLGetConfigOption("OGR_SQLITE_PRAGMA", nullptr);
9670 2269 : OGRErr eErr = OGRERR_NONE;
9671 6 : if ((!pszSqlitePragma || !strstr(pszSqlitePragma, "trusted_schema")) &&
9672 : // Older sqlite versions don't have this pragma
9673 4544 : SQLGetInteger(hDB, "PRAGMA trusted_schema", &eErr) == 0 &&
9674 2269 : eErr == OGRERR_NONE)
9675 : {
9676 2269 : bool bNeedsTrustedSchema = false;
9677 :
9678 : // Current SQLite versions require PRAGMA trusted_schema = 1 to be
9679 : // able to use the RTree from triggers, which is only needed when
9680 : // modifying the RTree.
9681 5573 : if (((flags & SQLITE_OPEN_READWRITE) != 0 ||
9682 3503 : (flags & SQLITE_OPEN_CREATE) != 0) &&
9683 1234 : OGRSQLiteRTreeRequiresTrustedSchemaOn())
9684 : {
9685 1234 : bNeedsTrustedSchema = true;
9686 : }
9687 :
9688 : #ifdef HAVE_SPATIALITE
9689 : // Spatialite <= 5.1.0 doesn't declare its functions as SQLITE_INNOCUOUS
9690 1035 : if (!bNeedsTrustedSchema && HasExtensionsTable() &&
9691 944 : SQLGetInteger(
9692 : hDB,
9693 : "SELECT 1 FROM gpkg_extensions WHERE "
9694 : "extension_name ='gdal_spatialite_computed_geom_column'",
9695 1 : nullptr) == 1 &&
9696 3304 : SpatialiteRequiresTrustedSchemaOn() && AreSpatialiteTriggersSafe())
9697 : {
9698 1 : bNeedsTrustedSchema = true;
9699 : }
9700 : #endif
9701 :
9702 2269 : if (bNeedsTrustedSchema)
9703 : {
9704 1235 : CPLDebug("GPKG", "Setting PRAGMA trusted_schema = 1");
9705 1235 : SQLCommand(hDB, "PRAGMA trusted_schema = 1");
9706 : }
9707 : }
9708 :
9709 : const char *pszPreludeStatements =
9710 2269 : CSLFetchNameValue(papszOpenOptions, "PRELUDE_STATEMENTS");
9711 2269 : if (pszPreludeStatements)
9712 : {
9713 2 : if (SQLCommand(hDB, pszPreludeStatements) != OGRERR_NONE)
9714 0 : return false;
9715 : }
9716 :
9717 2269 : return true;
9718 : }
9719 :
9720 : /************************************************************************/
9721 : /* GetLayerWithGetSpatialWhereByName() */
9722 : /************************************************************************/
9723 :
9724 : std::pair<OGRLayer *, IOGRSQLiteGetSpatialWhere *>
9725 90 : GDALGeoPackageDataset::GetLayerWithGetSpatialWhereByName(const char *pszName)
9726 : {
9727 : OGRGeoPackageLayer *poRet =
9728 90 : cpl::down_cast<OGRGeoPackageLayer *>(GetLayerByName(pszName));
9729 90 : return std::pair(poRet, poRet);
9730 : }
9731 :
9732 : /************************************************************************/
9733 : /* CommitTransaction() */
9734 : /************************************************************************/
9735 :
9736 332 : OGRErr GDALGeoPackageDataset::CommitTransaction()
9737 :
9738 : {
9739 332 : if (m_nSoftTransactionLevel == 1)
9740 : {
9741 326 : FlushMetadata();
9742 703 : for (auto &poLayer : m_apoLayers)
9743 : {
9744 377 : poLayer->DoJobAtTransactionCommit();
9745 : }
9746 : }
9747 :
9748 332 : return OGRSQLiteBaseDataSource::CommitTransaction();
9749 : }
9750 :
9751 : /************************************************************************/
9752 : /* RollbackTransaction() */
9753 : /************************************************************************/
9754 :
9755 35 : OGRErr GDALGeoPackageDataset::RollbackTransaction()
9756 :
9757 : {
9758 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9759 70 : std::vector<bool> abAddTriggers;
9760 35 : std::vector<bool> abTriggersDeletedInTransaction;
9761 : #endif
9762 35 : if (m_nSoftTransactionLevel == 1)
9763 : {
9764 34 : FlushMetadata();
9765 70 : for (auto &poLayer : m_apoLayers)
9766 : {
9767 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9768 36 : abAddTriggers.push_back(poLayer->GetAddOGRFeatureCountTriggers());
9769 36 : abTriggersDeletedInTransaction.push_back(
9770 36 : poLayer->GetOGRFeatureCountTriggersDeletedInTransaction());
9771 36 : poLayer->SetAddOGRFeatureCountTriggers(false);
9772 : #endif
9773 36 : poLayer->DoJobAtTransactionRollback();
9774 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9775 36 : poLayer->DisableFeatureCount();
9776 : #endif
9777 : }
9778 : }
9779 :
9780 35 : const OGRErr eErr = OGRSQLiteBaseDataSource::RollbackTransaction();
9781 :
9782 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9783 35 : if (!abAddTriggers.empty())
9784 : {
9785 68 : for (size_t i = 0; i < m_apoLayers.size(); ++i)
9786 : {
9787 36 : auto &poLayer = m_apoLayers[i];
9788 36 : if (abTriggersDeletedInTransaction[i])
9789 : {
9790 7 : poLayer->SetOGRFeatureCountTriggersEnabled(true);
9791 : }
9792 : else
9793 : {
9794 29 : poLayer->SetAddOGRFeatureCountTriggers(abAddTriggers[i]);
9795 : }
9796 : }
9797 : }
9798 : #endif
9799 70 : return eErr;
9800 : }
9801 :
9802 : /************************************************************************/
9803 : /* GetGeometryTypeString() */
9804 : /************************************************************************/
9805 :
9806 : const char *
9807 1621 : GDALGeoPackageDataset::GetGeometryTypeString(OGRwkbGeometryType eType)
9808 : {
9809 1621 : const char *pszGPKGGeomType = OGRToOGCGeomType(eType);
9810 1633 : if (EQUAL(pszGPKGGeomType, "GEOMETRYCOLLECTION") &&
9811 12 : CPLTestBool(CPLGetConfigOption("OGR_GPKG_GEOMCOLLECTION", "NO")))
9812 : {
9813 0 : pszGPKGGeomType = "GEOMCOLLECTION";
9814 : }
9815 1621 : return pszGPKGGeomType;
9816 : }
9817 :
9818 : /************************************************************************/
9819 : /* GetFieldDomainNames() */
9820 : /************************************************************************/
9821 :
9822 : std::vector<std::string>
9823 12 : GDALGeoPackageDataset::GetFieldDomainNames(CSLConstList) const
9824 : {
9825 12 : if (!HasDataColumnConstraintsTable())
9826 3 : return std::vector<std::string>();
9827 :
9828 18 : std::vector<std::string> oDomainNamesList;
9829 :
9830 9 : std::unique_ptr<SQLResult> oResultTable;
9831 : {
9832 : std::string osSQL =
9833 : "SELECT DISTINCT constraint_name "
9834 : "FROM gpkg_data_column_constraints "
9835 : "WHERE constraint_name NOT LIKE '_%_domain_description' "
9836 : "ORDER BY constraint_name "
9837 9 : "LIMIT 10000" // to avoid denial of service
9838 : ;
9839 9 : oResultTable = SQLQuery(hDB, osSQL.c_str());
9840 9 : if (!oResultTable)
9841 0 : return oDomainNamesList;
9842 : }
9843 :
9844 9 : if (oResultTable->RowCount() == 10000)
9845 : {
9846 0 : CPLError(CE_Warning, CPLE_AppDefined,
9847 : "Number of rows returned for field domain names has been "
9848 : "truncated.");
9849 : }
9850 9 : else if (oResultTable->RowCount() > 0)
9851 : {
9852 8 : oDomainNamesList.reserve(oResultTable->RowCount());
9853 105 : for (int i = 0; i < oResultTable->RowCount(); i++)
9854 : {
9855 97 : const char *pszConstraintName = oResultTable->GetValue(0, i);
9856 97 : if (!pszConstraintName)
9857 0 : continue;
9858 :
9859 97 : oDomainNamesList.emplace_back(pszConstraintName);
9860 : }
9861 : }
9862 :
9863 9 : return oDomainNamesList;
9864 : }
9865 :
9866 : /************************************************************************/
9867 : /* GetFieldDomain() */
9868 : /************************************************************************/
9869 :
9870 : const OGRFieldDomain *
9871 138 : GDALGeoPackageDataset::GetFieldDomain(const std::string &name) const
9872 : {
9873 138 : const auto baseRet = GDALDataset::GetFieldDomain(name);
9874 138 : if (baseRet)
9875 43 : return baseRet;
9876 :
9877 95 : if (!HasDataColumnConstraintsTable())
9878 4 : return nullptr;
9879 :
9880 91 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
9881 91 : const char *min_is_inclusive =
9882 91 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
9883 91 : const char *max_is_inclusive =
9884 91 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
9885 :
9886 91 : std::unique_ptr<SQLResult> oResultTable;
9887 : // Note: for coded domains, we use a little trick by using a dummy
9888 : // _{domainname}_domain_description enum that has a single entry whose
9889 : // description is the description of the main domain.
9890 : {
9891 91 : char *pszSQL = sqlite3_mprintf(
9892 : "SELECT constraint_type, value, min, %s, "
9893 : "max, %s, description, constraint_name "
9894 : "FROM gpkg_data_column_constraints "
9895 : "WHERE constraint_name IN ('%q', "
9896 : "'_%q_domain_description') "
9897 : "AND length(constraint_type) < 100 " // to
9898 : // avoid
9899 : // denial
9900 : // of
9901 : // service
9902 : "AND (value IS NULL OR length(value) < "
9903 : "10000) " // to avoid denial
9904 : // of service
9905 : "AND (description IS NULL OR "
9906 : "length(description) < 10000) " // to
9907 : // avoid
9908 : // denial
9909 : // of
9910 : // service
9911 : "ORDER BY value "
9912 : "LIMIT 10000", // to avoid denial of
9913 : // service
9914 : min_is_inclusive, max_is_inclusive, name.c_str(), name.c_str());
9915 91 : oResultTable = SQLQuery(hDB, pszSQL);
9916 91 : sqlite3_free(pszSQL);
9917 91 : if (!oResultTable)
9918 0 : return nullptr;
9919 : }
9920 91 : if (oResultTable->RowCount() == 0)
9921 : {
9922 33 : return nullptr;
9923 : }
9924 58 : if (oResultTable->RowCount() == 10000)
9925 : {
9926 0 : CPLError(CE_Warning, CPLE_AppDefined,
9927 : "Number of rows returned for field domain %s has been "
9928 : "truncated.",
9929 : name.c_str());
9930 : }
9931 :
9932 : // Try to find the field domain data type from fields that implement it
9933 58 : int nFieldType = -1;
9934 58 : OGRFieldSubType eSubType = OFSTNone;
9935 58 : if (HasDataColumnsTable())
9936 : {
9937 53 : char *pszSQL = sqlite3_mprintf(
9938 : "SELECT table_name, column_name FROM gpkg_data_columns WHERE "
9939 : "constraint_name = '%q' LIMIT 10",
9940 : name.c_str());
9941 106 : auto oResultTable2 = SQLQuery(hDB, pszSQL);
9942 53 : sqlite3_free(pszSQL);
9943 53 : if (oResultTable2 && oResultTable2->RowCount() >= 1)
9944 : {
9945 58 : for (int iRecord = 0; iRecord < oResultTable2->RowCount();
9946 : iRecord++)
9947 : {
9948 29 : const char *pszTableName = oResultTable2->GetValue(0, iRecord);
9949 29 : const char *pszColumnName = oResultTable2->GetValue(1, iRecord);
9950 29 : if (pszTableName == nullptr || pszColumnName == nullptr)
9951 0 : continue;
9952 : OGRLayer *poLayer =
9953 58 : const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
9954 29 : pszTableName);
9955 29 : if (poLayer)
9956 : {
9957 29 : const auto poFDefn = poLayer->GetLayerDefn();
9958 29 : int nIdx = poFDefn->GetFieldIndex(pszColumnName);
9959 29 : if (nIdx >= 0)
9960 : {
9961 29 : const auto poFieldDefn = poFDefn->GetFieldDefn(nIdx);
9962 29 : const auto eType = poFieldDefn->GetType();
9963 29 : if (nFieldType < 0)
9964 : {
9965 29 : nFieldType = eType;
9966 29 : eSubType = poFieldDefn->GetSubType();
9967 : }
9968 0 : else if ((eType == OFTInteger64 || eType == OFTReal) &&
9969 : nFieldType == OFTInteger)
9970 : {
9971 : // ok
9972 : }
9973 0 : else if (eType == OFTInteger &&
9974 0 : (nFieldType == OFTInteger64 ||
9975 : nFieldType == OFTReal))
9976 : {
9977 0 : nFieldType = OFTInteger;
9978 0 : eSubType = OFSTNone;
9979 : }
9980 0 : else if (nFieldType != eType)
9981 : {
9982 0 : nFieldType = -1;
9983 0 : eSubType = OFSTNone;
9984 0 : break;
9985 : }
9986 : }
9987 : }
9988 : }
9989 : }
9990 : }
9991 :
9992 58 : std::unique_ptr<OGRFieldDomain> poDomain;
9993 116 : std::vector<OGRCodedValue> asValues;
9994 58 : bool error = false;
9995 116 : CPLString osLastConstraintType;
9996 58 : int nFieldTypeFromEnumCode = -1;
9997 116 : std::string osConstraintDescription;
9998 116 : std::string osDescrConstraintName("_");
9999 58 : osDescrConstraintName += name;
10000 58 : osDescrConstraintName += "_domain_description";
10001 145 : for (int iRecord = 0; iRecord < oResultTable->RowCount(); iRecord++)
10002 : {
10003 91 : const char *pszConstraintType = oResultTable->GetValue(0, iRecord);
10004 91 : if (pszConstraintType == nullptr)
10005 2 : continue;
10006 91 : const char *pszValue = oResultTable->GetValue(1, iRecord);
10007 91 : const char *pszMin = oResultTable->GetValue(2, iRecord);
10008 : const bool bIsMinIncluded =
10009 91 : oResultTable->GetValueAsInteger(3, iRecord) == 1;
10010 91 : const char *pszMax = oResultTable->GetValue(4, iRecord);
10011 : const bool bIsMaxIncluded =
10012 91 : oResultTable->GetValueAsInteger(5, iRecord) == 1;
10013 91 : const char *pszDescription = oResultTable->GetValue(6, iRecord);
10014 91 : const char *pszConstraintName = oResultTable->GetValue(7, iRecord);
10015 :
10016 91 : if (!osLastConstraintType.empty() && osLastConstraintType != "enum")
10017 : {
10018 1 : CPLError(CE_Failure, CPLE_AppDefined,
10019 : "Only constraint of type 'enum' can have multiple rows");
10020 1 : error = true;
10021 4 : break;
10022 : }
10023 :
10024 90 : if (strcmp(pszConstraintType, "enum") == 0)
10025 : {
10026 63 : if (pszValue == nullptr)
10027 : {
10028 1 : CPLError(CE_Failure, CPLE_AppDefined,
10029 : "NULL in 'value' column of enumeration");
10030 1 : error = true;
10031 1 : break;
10032 : }
10033 62 : if (osDescrConstraintName == pszConstraintName)
10034 : {
10035 2 : if (pszDescription)
10036 : {
10037 2 : osConstraintDescription = pszDescription;
10038 : }
10039 2 : continue;
10040 : }
10041 60 : if (asValues.empty())
10042 : {
10043 30 : asValues.reserve(oResultTable->RowCount() + 1);
10044 : }
10045 : OGRCodedValue cv;
10046 : // intended: the 'value' column in GPKG is actually the code
10047 60 : cv.pszCode = VSI_STRDUP_VERBOSE(pszValue);
10048 60 : if (cv.pszCode == nullptr)
10049 : {
10050 0 : error = true;
10051 0 : break;
10052 : }
10053 60 : if (pszDescription)
10054 : {
10055 48 : cv.pszValue = VSI_STRDUP_VERBOSE(pszDescription);
10056 48 : if (cv.pszValue == nullptr)
10057 : {
10058 0 : VSIFree(cv.pszCode);
10059 0 : error = true;
10060 0 : break;
10061 : }
10062 : }
10063 : else
10064 : {
10065 12 : cv.pszValue = nullptr;
10066 : }
10067 :
10068 : // If we can't get the data type from field definition, guess it
10069 : // from code.
10070 60 : if (nFieldType < 0 && nFieldTypeFromEnumCode != OFTString)
10071 : {
10072 36 : switch (CPLGetValueType(cv.pszCode))
10073 : {
10074 26 : case CPL_VALUE_INTEGER:
10075 : {
10076 26 : if (nFieldTypeFromEnumCode != OFTReal &&
10077 : nFieldTypeFromEnumCode != OFTInteger64)
10078 : {
10079 18 : const auto nVal = CPLAtoGIntBig(cv.pszCode);
10080 34 : if (nVal < std::numeric_limits<int>::min() ||
10081 16 : nVal > std::numeric_limits<int>::max())
10082 : {
10083 6 : nFieldTypeFromEnumCode = OFTInteger64;
10084 : }
10085 : else
10086 : {
10087 12 : nFieldTypeFromEnumCode = OFTInteger;
10088 : }
10089 : }
10090 26 : break;
10091 : }
10092 :
10093 6 : case CPL_VALUE_REAL:
10094 6 : nFieldTypeFromEnumCode = OFTReal;
10095 6 : break;
10096 :
10097 4 : case CPL_VALUE_STRING:
10098 4 : nFieldTypeFromEnumCode = OFTString;
10099 4 : break;
10100 : }
10101 : }
10102 :
10103 60 : asValues.emplace_back(cv);
10104 : }
10105 27 : else if (strcmp(pszConstraintType, "range") == 0)
10106 : {
10107 : OGRField sMin;
10108 : OGRField sMax;
10109 20 : OGR_RawField_SetUnset(&sMin);
10110 20 : OGR_RawField_SetUnset(&sMax);
10111 20 : if (nFieldType != OFTInteger && nFieldType != OFTInteger64)
10112 11 : nFieldType = OFTReal;
10113 39 : if (pszMin != nullptr &&
10114 19 : CPLAtof(pszMin) != -std::numeric_limits<double>::infinity())
10115 : {
10116 15 : if (nFieldType == OFTInteger)
10117 6 : sMin.Integer = atoi(pszMin);
10118 9 : else if (nFieldType == OFTInteger64)
10119 3 : sMin.Integer64 = CPLAtoGIntBig(pszMin);
10120 : else /* if( nFieldType == OFTReal ) */
10121 6 : sMin.Real = CPLAtof(pszMin);
10122 : }
10123 39 : if (pszMax != nullptr &&
10124 19 : CPLAtof(pszMax) != std::numeric_limits<double>::infinity())
10125 : {
10126 15 : if (nFieldType == OFTInteger)
10127 6 : sMax.Integer = atoi(pszMax);
10128 9 : else if (nFieldType == OFTInteger64)
10129 3 : sMax.Integer64 = CPLAtoGIntBig(pszMax);
10130 : else /* if( nFieldType == OFTReal ) */
10131 6 : sMax.Real = CPLAtof(pszMax);
10132 : }
10133 20 : poDomain = std::make_unique<OGRRangeFieldDomain>(
10134 20 : name, pszDescription ? pszDescription : "",
10135 40 : static_cast<OGRFieldType>(nFieldType), eSubType, sMin,
10136 20 : bIsMinIncluded, sMax, bIsMaxIncluded);
10137 : }
10138 7 : else if (strcmp(pszConstraintType, "glob") == 0)
10139 : {
10140 6 : if (pszValue == nullptr)
10141 : {
10142 1 : CPLError(CE_Failure, CPLE_AppDefined,
10143 : "NULL in 'value' column of glob");
10144 1 : error = true;
10145 1 : break;
10146 : }
10147 5 : if (nFieldType < 0)
10148 1 : nFieldType = OFTString;
10149 5 : poDomain = std::make_unique<OGRGlobFieldDomain>(
10150 5 : name, pszDescription ? pszDescription : "",
10151 15 : static_cast<OGRFieldType>(nFieldType), eSubType, pszValue);
10152 : }
10153 : else
10154 : {
10155 1 : CPLError(CE_Failure, CPLE_AppDefined,
10156 : "Unhandled constraint_type: %s", pszConstraintType);
10157 1 : error = true;
10158 1 : break;
10159 : }
10160 :
10161 85 : osLastConstraintType = pszConstraintType;
10162 : }
10163 :
10164 58 : if (!asValues.empty())
10165 : {
10166 30 : if (nFieldType < 0)
10167 18 : nFieldType = nFieldTypeFromEnumCode;
10168 30 : poDomain = std::make_unique<OGRCodedFieldDomain>(
10169 : name, osConstraintDescription,
10170 60 : static_cast<OGRFieldType>(nFieldType), eSubType,
10171 60 : std::move(asValues));
10172 : }
10173 :
10174 58 : if (error)
10175 : {
10176 4 : return nullptr;
10177 : }
10178 :
10179 54 : m_oMapFieldDomains[name] = std::move(poDomain);
10180 54 : return GDALDataset::GetFieldDomain(name);
10181 : }
10182 :
10183 : /************************************************************************/
10184 : /* AddFieldDomain() */
10185 : /************************************************************************/
10186 :
10187 19 : bool GDALGeoPackageDataset::AddFieldDomain(
10188 : std::unique_ptr<OGRFieldDomain> &&domain, std::string &failureReason)
10189 : {
10190 38 : const std::string domainName(domain->GetName());
10191 19 : if (!GetUpdate())
10192 : {
10193 0 : CPLError(CE_Failure, CPLE_NotSupported,
10194 : "AddFieldDomain() not supported on read-only dataset");
10195 0 : return false;
10196 : }
10197 19 : if (GetFieldDomain(domainName) != nullptr)
10198 : {
10199 1 : failureReason = "A domain of identical name already exists";
10200 1 : return false;
10201 : }
10202 18 : if (!CreateColumnsTableAndColumnConstraintsTablesIfNecessary())
10203 0 : return false;
10204 :
10205 18 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
10206 18 : const char *min_is_inclusive =
10207 18 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
10208 18 : const char *max_is_inclusive =
10209 18 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
10210 :
10211 18 : const auto &osDescription = domain->GetDescription();
10212 18 : switch (domain->GetDomainType())
10213 : {
10214 11 : case OFDT_CODED:
10215 : {
10216 : const auto poCodedDomain =
10217 11 : cpl::down_cast<const OGRCodedFieldDomain *>(domain.get());
10218 11 : if (!osDescription.empty())
10219 : {
10220 : // We use a little trick by using a dummy
10221 : // _{domainname}_domain_description enum that has a single
10222 : // entry whose description is the description of the main
10223 : // domain.
10224 1 : char *pszSQL = sqlite3_mprintf(
10225 : "INSERT INTO gpkg_data_column_constraints ("
10226 : "constraint_name, constraint_type, value, "
10227 : "min, %s, max, %s, "
10228 : "description) VALUES ("
10229 : "'_%q_domain_description', 'enum', '', NULL, NULL, NULL, "
10230 : "NULL, %Q)",
10231 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10232 : osDescription.c_str());
10233 1 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
10234 1 : sqlite3_free(pszSQL);
10235 : }
10236 11 : const auto &enumeration = poCodedDomain->GetEnumeration();
10237 33 : for (int i = 0; enumeration[i].pszCode != nullptr; ++i)
10238 : {
10239 22 : char *pszSQL = sqlite3_mprintf(
10240 : "INSERT INTO gpkg_data_column_constraints ("
10241 : "constraint_name, constraint_type, value, "
10242 : "min, %s, max, %s, "
10243 : "description) VALUES ("
10244 : "'%q', 'enum', '%q', NULL, NULL, NULL, NULL, %Q)",
10245 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10246 22 : enumeration[i].pszCode, enumeration[i].pszValue);
10247 22 : bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10248 22 : sqlite3_free(pszSQL);
10249 22 : if (!ok)
10250 0 : return false;
10251 : }
10252 11 : break;
10253 : }
10254 :
10255 6 : case OFDT_RANGE:
10256 : {
10257 : const auto poRangeDomain =
10258 6 : cpl::down_cast<const OGRRangeFieldDomain *>(domain.get());
10259 6 : const auto eFieldType = poRangeDomain->GetFieldType();
10260 6 : if (eFieldType != OFTInteger && eFieldType != OFTInteger64 &&
10261 : eFieldType != OFTReal)
10262 : {
10263 : failureReason = "Only range domains of numeric type are "
10264 0 : "supported in GeoPackage";
10265 0 : return false;
10266 : }
10267 :
10268 6 : double dfMin = -std::numeric_limits<double>::infinity();
10269 6 : double dfMax = std::numeric_limits<double>::infinity();
10270 6 : bool bMinIsInclusive = true;
10271 6 : const auto &sMin = poRangeDomain->GetMin(bMinIsInclusive);
10272 6 : bool bMaxIsInclusive = true;
10273 6 : const auto &sMax = poRangeDomain->GetMax(bMaxIsInclusive);
10274 6 : if (eFieldType == OFTInteger)
10275 : {
10276 2 : if (!OGR_RawField_IsUnset(&sMin))
10277 2 : dfMin = sMin.Integer;
10278 2 : if (!OGR_RawField_IsUnset(&sMax))
10279 2 : dfMax = sMax.Integer;
10280 : }
10281 4 : else if (eFieldType == OFTInteger64)
10282 : {
10283 1 : if (!OGR_RawField_IsUnset(&sMin))
10284 1 : dfMin = static_cast<double>(sMin.Integer64);
10285 1 : if (!OGR_RawField_IsUnset(&sMax))
10286 1 : dfMax = static_cast<double>(sMax.Integer64);
10287 : }
10288 : else /* if( eFieldType == OFTReal ) */
10289 : {
10290 3 : if (!OGR_RawField_IsUnset(&sMin))
10291 3 : dfMin = sMin.Real;
10292 3 : if (!OGR_RawField_IsUnset(&sMax))
10293 3 : dfMax = sMax.Real;
10294 : }
10295 :
10296 6 : sqlite3_stmt *hInsertStmt = nullptr;
10297 : const char *pszSQL =
10298 6 : CPLSPrintf("INSERT INTO gpkg_data_column_constraints ("
10299 : "constraint_name, constraint_type, value, "
10300 : "min, %s, max, %s, "
10301 : "description) VALUES ("
10302 : "?, 'range', NULL, ?, ?, ?, ?, ?)",
10303 : min_is_inclusive, max_is_inclusive);
10304 6 : if (SQLPrepareWithError(hDB, pszSQL, -1, &hInsertStmt, nullptr) !=
10305 : SQLITE_OK)
10306 : {
10307 0 : return false;
10308 : }
10309 6 : sqlite3_bind_text(hInsertStmt, 1, domainName.c_str(),
10310 6 : static_cast<int>(domainName.size()),
10311 : SQLITE_TRANSIENT);
10312 6 : sqlite3_bind_double(hInsertStmt, 2, dfMin);
10313 6 : sqlite3_bind_int(hInsertStmt, 3, bMinIsInclusive ? 1 : 0);
10314 6 : sqlite3_bind_double(hInsertStmt, 4, dfMax);
10315 6 : sqlite3_bind_int(hInsertStmt, 5, bMaxIsInclusive ? 1 : 0);
10316 6 : if (osDescription.empty())
10317 : {
10318 3 : sqlite3_bind_null(hInsertStmt, 6);
10319 : }
10320 : else
10321 : {
10322 3 : sqlite3_bind_text(hInsertStmt, 6, osDescription.c_str(),
10323 3 : static_cast<int>(osDescription.size()),
10324 : SQLITE_TRANSIENT);
10325 : }
10326 6 : const int sqlite_err = sqlite3_step(hInsertStmt);
10327 6 : sqlite3_finalize(hInsertStmt);
10328 6 : if (sqlite_err != SQLITE_OK && sqlite_err != SQLITE_DONE)
10329 : {
10330 0 : CPLError(CE_Failure, CPLE_AppDefined,
10331 : "failed to execute insertion '%s': %s", pszSQL,
10332 : sqlite3_errmsg(hDB));
10333 0 : return false;
10334 : }
10335 :
10336 6 : break;
10337 : }
10338 :
10339 1 : case OFDT_GLOB:
10340 : {
10341 : const auto poGlobDomain =
10342 1 : cpl::down_cast<const OGRGlobFieldDomain *>(domain.get());
10343 2 : char *pszSQL = sqlite3_mprintf(
10344 : "INSERT INTO gpkg_data_column_constraints ("
10345 : "constraint_name, constraint_type, value, "
10346 : "min, %s, max, %s, "
10347 : "description) VALUES ("
10348 : "'%q', 'glob', '%q', NULL, NULL, NULL, NULL, %Q)",
10349 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10350 1 : poGlobDomain->GetGlob().c_str(),
10351 2 : osDescription.empty() ? nullptr : osDescription.c_str());
10352 1 : bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10353 1 : sqlite3_free(pszSQL);
10354 1 : if (!ok)
10355 0 : return false;
10356 :
10357 1 : break;
10358 : }
10359 : }
10360 :
10361 18 : m_oMapFieldDomains[domainName] = std::move(domain);
10362 18 : return true;
10363 : }
10364 :
10365 : /************************************************************************/
10366 : /* UpdateFieldDomain() */
10367 : /************************************************************************/
10368 :
10369 3 : bool GDALGeoPackageDataset::UpdateFieldDomain(
10370 : std::unique_ptr<OGRFieldDomain> &&domain, std::string &failureReason)
10371 : {
10372 6 : const std::string domainName(domain->GetName());
10373 3 : if (eAccess != GA_Update)
10374 : {
10375 1 : CPLError(CE_Failure, CPLE_NotSupported,
10376 : "UpdateFieldDomain() not supported on read-only dataset");
10377 1 : return false;
10378 : }
10379 :
10380 2 : if (GetFieldDomain(domainName) == nullptr)
10381 : {
10382 1 : failureReason = "The domain should already exist to be updated";
10383 1 : return false;
10384 : }
10385 :
10386 1 : bool bRet = SoftStartTransaction() == OGRERR_NONE;
10387 1 : if (bRet)
10388 : {
10389 2 : bRet = DeleteFieldDomain(domainName, failureReason) &&
10390 1 : AddFieldDomain(std::move(domain), failureReason);
10391 1 : if (bRet)
10392 1 : bRet = SoftCommitTransaction() == OGRERR_NONE;
10393 : else
10394 0 : SoftRollbackTransaction();
10395 : }
10396 1 : return bRet;
10397 : }
10398 :
10399 : /************************************************************************/
10400 : /* DeleteFieldDomain() */
10401 : /************************************************************************/
10402 :
10403 18 : bool GDALGeoPackageDataset::DeleteFieldDomain(const std::string &name,
10404 : std::string &failureReason)
10405 : {
10406 18 : if (eAccess != GA_Update)
10407 : {
10408 1 : CPLError(CE_Failure, CPLE_NotSupported,
10409 : "DeleteFieldDomain() not supported on read-only dataset");
10410 1 : return false;
10411 : }
10412 17 : if (GetFieldDomain(name) == nullptr)
10413 : {
10414 1 : failureReason = "Domain does not exist";
10415 1 : return false;
10416 : }
10417 :
10418 : char *pszSQL =
10419 16 : sqlite3_mprintf("DELETE FROM gpkg_data_column_constraints WHERE "
10420 : "constraint_name IN ('%q', '_%q_domain_description')",
10421 : name.c_str(), name.c_str());
10422 16 : const bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10423 16 : sqlite3_free(pszSQL);
10424 16 : if (ok)
10425 16 : m_oMapFieldDomains.erase(name);
10426 16 : return ok;
10427 : }
10428 :
10429 : /************************************************************************/
10430 : /* AddRelationship() */
10431 : /************************************************************************/
10432 :
10433 24 : bool GDALGeoPackageDataset::AddRelationship(
10434 : std::unique_ptr<GDALRelationship> &&relationship,
10435 : std::string &failureReason)
10436 : {
10437 24 : if (!GetUpdate())
10438 : {
10439 0 : CPLError(CE_Failure, CPLE_NotSupported,
10440 : "AddRelationship() not supported on read-only dataset");
10441 0 : return false;
10442 : }
10443 :
10444 : const std::string osRelationshipName = GenerateNameForRelationship(
10445 24 : relationship->GetLeftTableName().c_str(),
10446 24 : relationship->GetRightTableName().c_str(),
10447 96 : relationship->GetRelatedTableType().c_str());
10448 : // sanity checks
10449 24 : if (GetRelationship(osRelationshipName) != nullptr)
10450 : {
10451 1 : failureReason = "A relationship of identical name already exists";
10452 1 : return false;
10453 : }
10454 :
10455 23 : if (!ValidateRelationship(relationship.get(), failureReason))
10456 : {
10457 14 : return false;
10458 : }
10459 :
10460 9 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
10461 : {
10462 0 : return false;
10463 : }
10464 9 : if (!CreateRelationsTableIfNecessary())
10465 : {
10466 0 : failureReason = "Could not create gpkgext_relations table";
10467 0 : return false;
10468 : }
10469 9 : if (SQLGetInteger(GetDB(),
10470 : "SELECT 1 FROM gpkg_extensions WHERE "
10471 : "table_name = 'gpkgext_relations'",
10472 9 : nullptr) != 1)
10473 : {
10474 4 : if (OGRERR_NONE !=
10475 4 : SQLCommand(
10476 : GetDB(),
10477 : "INSERT INTO gpkg_extensions "
10478 : "(table_name,column_name,extension_name,definition,scope) "
10479 : "VALUES ('gpkgext_relations', NULL, 'gpkg_related_tables', "
10480 : "'http://www.geopackage.org/18-000.html', "
10481 : "'read-write')"))
10482 : {
10483 : failureReason =
10484 0 : "Could not create gpkg_extensions entry for gpkgext_relations";
10485 0 : return false;
10486 : }
10487 : }
10488 :
10489 9 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10490 9 : const std::string &osRightTableName = relationship->GetRightTableName();
10491 9 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10492 9 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10493 :
10494 18 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10495 9 : if (osRelatedTableType.empty())
10496 : {
10497 5 : osRelatedTableType = "features";
10498 : }
10499 :
10500 : // generate mapping table if not set
10501 18 : CPLString osMappingTableName = relationship->GetMappingTableName();
10502 9 : if (osMappingTableName.empty())
10503 : {
10504 3 : int nIndex = 1;
10505 3 : osMappingTableName = osLeftTableName + "_" + osRightTableName;
10506 3 : while (FindLayerIndex(osMappingTableName.c_str()) >= 0)
10507 : {
10508 0 : nIndex += 1;
10509 : osMappingTableName.Printf("%s_%s_%d", osLeftTableName.c_str(),
10510 0 : osRightTableName.c_str(), nIndex);
10511 : }
10512 :
10513 : // determine whether base/related keys are unique
10514 3 : bool bBaseKeyIsUnique = false;
10515 : {
10516 : const std::set<std::string> uniqueBaseFieldsUC =
10517 : SQLGetUniqueFieldUCConstraints(GetDB(),
10518 6 : osLeftTableName.c_str());
10519 6 : if (uniqueBaseFieldsUC.find(
10520 3 : CPLString(aosLeftTableFields[0]).toupper()) !=
10521 6 : uniqueBaseFieldsUC.end())
10522 : {
10523 2 : bBaseKeyIsUnique = true;
10524 : }
10525 : }
10526 3 : bool bRelatedKeyIsUnique = false;
10527 : {
10528 : const std::set<std::string> uniqueRelatedFieldsUC =
10529 : SQLGetUniqueFieldUCConstraints(GetDB(),
10530 6 : osRightTableName.c_str());
10531 6 : if (uniqueRelatedFieldsUC.find(
10532 3 : CPLString(aosRightTableFields[0]).toupper()) !=
10533 6 : uniqueRelatedFieldsUC.end())
10534 : {
10535 2 : bRelatedKeyIsUnique = true;
10536 : }
10537 : }
10538 :
10539 : // create mapping table
10540 :
10541 3 : std::string osBaseIdDefinition = "base_id INTEGER";
10542 3 : if (bBaseKeyIsUnique)
10543 : {
10544 2 : char *pszSQL = sqlite3_mprintf(
10545 : " CONSTRAINT 'fk_base_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10546 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10547 : "DEFERRED",
10548 : osMappingTableName.c_str(), osLeftTableName.c_str(),
10549 2 : aosLeftTableFields[0].c_str());
10550 2 : osBaseIdDefinition += pszSQL;
10551 2 : sqlite3_free(pszSQL);
10552 : }
10553 :
10554 3 : std::string osRelatedIdDefinition = "related_id INTEGER";
10555 3 : if (bRelatedKeyIsUnique)
10556 : {
10557 2 : char *pszSQL = sqlite3_mprintf(
10558 : " CONSTRAINT 'fk_related_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10559 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10560 : "DEFERRED",
10561 : osMappingTableName.c_str(), osRightTableName.c_str(),
10562 2 : aosRightTableFields[0].c_str());
10563 2 : osRelatedIdDefinition += pszSQL;
10564 2 : sqlite3_free(pszSQL);
10565 : }
10566 :
10567 3 : char *pszSQL = sqlite3_mprintf("CREATE TABLE \"%w\" ("
10568 : "id INTEGER PRIMARY KEY AUTOINCREMENT, "
10569 : "%s, %s);",
10570 : osMappingTableName.c_str(),
10571 : osBaseIdDefinition.c_str(),
10572 : osRelatedIdDefinition.c_str());
10573 3 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10574 3 : sqlite3_free(pszSQL);
10575 3 : if (eErr != OGRERR_NONE)
10576 : {
10577 : failureReason =
10578 0 : ("Could not create mapping table " + osMappingTableName)
10579 0 : .c_str();
10580 0 : return false;
10581 : }
10582 :
10583 : /*
10584 : * Strictly speaking we should NOT be inserting the mapping table into gpkg_contents.
10585 : * The related tables extension explicitly states that the mapping table should only be
10586 : * in the gpkgext_relations table and not in gpkg_contents. (See also discussion at
10587 : * https://github.com/opengeospatial/geopackage/issues/679).
10588 : *
10589 : * However, if we don't insert the mapping table into gpkg_contents then it is no longer
10590 : * visible to some clients (eg ESRI software only allows opening tables that are present
10591 : * in gpkg_contents). So we'll do this anyway, for maximum compatibility and flexibility.
10592 : *
10593 : * More related discussion is at https://github.com/OSGeo/gdal/pull/9258
10594 : */
10595 3 : pszSQL = sqlite3_mprintf(
10596 : "INSERT INTO gpkg_contents "
10597 : "(table_name,data_type,identifier,description,last_change,srs_id) "
10598 : "VALUES "
10599 : "('%q','attributes','%q','Mapping table for relationship between "
10600 : "%q and %q',%s,0)",
10601 : osMappingTableName.c_str(), /*table_name*/
10602 : osMappingTableName.c_str(), /*identifier*/
10603 : osLeftTableName.c_str(), /*description left table name*/
10604 : osRightTableName.c_str(), /*description right table name*/
10605 6 : GDALGeoPackageDataset::GetCurrentDateEscapedSQL().c_str());
10606 :
10607 : // Note -- we explicitly ignore failures here, because hey, we aren't really
10608 : // supposed to be adding this table to gpkg_contents anyway!
10609 3 : (void)SQLCommand(hDB, pszSQL);
10610 3 : sqlite3_free(pszSQL);
10611 :
10612 3 : pszSQL = sqlite3_mprintf(
10613 : "CREATE INDEX \"idx_%w_base_id\" ON \"%w\" (base_id);",
10614 : osMappingTableName.c_str(), osMappingTableName.c_str());
10615 3 : eErr = SQLCommand(hDB, pszSQL);
10616 3 : sqlite3_free(pszSQL);
10617 3 : if (eErr != OGRERR_NONE)
10618 : {
10619 0 : failureReason = ("Could not create index for " +
10620 0 : osMappingTableName + " (base_id)")
10621 0 : .c_str();
10622 0 : return false;
10623 : }
10624 :
10625 3 : pszSQL = sqlite3_mprintf(
10626 : "CREATE INDEX \"idx_%qw_related_id\" ON \"%w\" (related_id);",
10627 : osMappingTableName.c_str(), osMappingTableName.c_str());
10628 3 : eErr = SQLCommand(hDB, pszSQL);
10629 3 : sqlite3_free(pszSQL);
10630 3 : if (eErr != OGRERR_NONE)
10631 : {
10632 0 : failureReason = ("Could not create index for " +
10633 0 : osMappingTableName + " (related_id)")
10634 0 : .c_str();
10635 0 : return false;
10636 : }
10637 : }
10638 : else
10639 : {
10640 : // validate mapping table structure
10641 6 : if (OGRGeoPackageTableLayer *poLayer =
10642 6 : cpl::down_cast<OGRGeoPackageTableLayer *>(
10643 6 : GetLayerByName(osMappingTableName)))
10644 : {
10645 4 : if (poLayer->GetLayerDefn()->GetFieldIndex("base_id") < 0)
10646 : {
10647 : failureReason =
10648 2 : ("Field base_id must exist in " + osMappingTableName)
10649 1 : .c_str();
10650 1 : return false;
10651 : }
10652 3 : if (poLayer->GetLayerDefn()->GetFieldIndex("related_id") < 0)
10653 : {
10654 : failureReason =
10655 2 : ("Field related_id must exist in " + osMappingTableName)
10656 1 : .c_str();
10657 1 : return false;
10658 : }
10659 : }
10660 : else
10661 : {
10662 : failureReason =
10663 2 : ("Could not retrieve table " + osMappingTableName).c_str();
10664 2 : return false;
10665 : }
10666 : }
10667 :
10668 5 : char *pszSQL = sqlite3_mprintf(
10669 : "INSERT INTO gpkg_extensions "
10670 : "(table_name,column_name,extension_name,definition,scope) "
10671 : "VALUES ('%q', NULL, 'gpkg_related_tables', "
10672 : "'http://www.geopackage.org/18-000.html', "
10673 : "'read-write')",
10674 : osMappingTableName.c_str());
10675 5 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10676 5 : sqlite3_free(pszSQL);
10677 5 : if (eErr != OGRERR_NONE)
10678 : {
10679 0 : failureReason = ("Could not insert mapping table " +
10680 0 : osMappingTableName + " into gpkg_extensions")
10681 0 : .c_str();
10682 0 : return false;
10683 : }
10684 :
10685 15 : pszSQL = sqlite3_mprintf(
10686 : "INSERT INTO gpkgext_relations "
10687 : "(base_table_name,base_primary_column,related_table_name,related_"
10688 : "primary_column,relation_name,mapping_table_name) "
10689 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10690 5 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10691 5 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10692 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10693 5 : eErr = SQLCommand(hDB, pszSQL);
10694 5 : sqlite3_free(pszSQL);
10695 5 : if (eErr != OGRERR_NONE)
10696 : {
10697 0 : failureReason = "Could not insert relationship into gpkgext_relations";
10698 0 : return false;
10699 : }
10700 :
10701 5 : ClearCachedRelationships();
10702 5 : LoadRelationships();
10703 5 : return true;
10704 : }
10705 :
10706 : /************************************************************************/
10707 : /* DeleteRelationship() */
10708 : /************************************************************************/
10709 :
10710 4 : bool GDALGeoPackageDataset::DeleteRelationship(const std::string &name,
10711 : std::string &failureReason)
10712 : {
10713 4 : if (eAccess != GA_Update)
10714 : {
10715 0 : CPLError(CE_Failure, CPLE_NotSupported,
10716 : "DeleteRelationship() not supported on read-only dataset");
10717 0 : return false;
10718 : }
10719 :
10720 : // ensure relationships are up to date before we try to remove one
10721 4 : ClearCachedRelationships();
10722 4 : LoadRelationships();
10723 :
10724 8 : std::string osMappingTableName;
10725 : {
10726 4 : const GDALRelationship *poRelationship = GetRelationship(name);
10727 4 : if (poRelationship == nullptr)
10728 : {
10729 1 : failureReason = "Could not find relationship with name " + name;
10730 1 : return false;
10731 : }
10732 :
10733 3 : osMappingTableName = poRelationship->GetMappingTableName();
10734 : }
10735 :
10736 : // DeleteLayerCommon will delete existing relationship objects, so we can't
10737 : // refer to poRelationship or any of its members previously obtained here
10738 3 : if (DeleteLayerCommon(osMappingTableName.c_str()) != OGRERR_NONE)
10739 : {
10740 : failureReason =
10741 0 : "Could not remove mapping layer name " + osMappingTableName;
10742 :
10743 : // relationships may have been left in an inconsistent state -- reload
10744 : // them now
10745 0 : ClearCachedRelationships();
10746 0 : LoadRelationships();
10747 0 : return false;
10748 : }
10749 :
10750 3 : ClearCachedRelationships();
10751 3 : LoadRelationships();
10752 3 : return true;
10753 : }
10754 :
10755 : /************************************************************************/
10756 : /* UpdateRelationship() */
10757 : /************************************************************************/
10758 :
10759 6 : bool GDALGeoPackageDataset::UpdateRelationship(
10760 : std::unique_ptr<GDALRelationship> &&relationship,
10761 : std::string &failureReason)
10762 : {
10763 6 : if (eAccess != GA_Update)
10764 : {
10765 0 : CPLError(CE_Failure, CPLE_NotSupported,
10766 : "UpdateRelationship() not supported on read-only dataset");
10767 0 : return false;
10768 : }
10769 :
10770 : // ensure relationships are up to date before we try to update one
10771 6 : ClearCachedRelationships();
10772 6 : LoadRelationships();
10773 :
10774 6 : const std::string &osRelationshipName = relationship->GetName();
10775 6 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10776 6 : const std::string &osRightTableName = relationship->GetRightTableName();
10777 6 : const std::string &osMappingTableName = relationship->GetMappingTableName();
10778 6 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10779 6 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10780 :
10781 : // sanity checks
10782 : {
10783 : const GDALRelationship *poExistingRelationship =
10784 6 : GetRelationship(osRelationshipName);
10785 6 : if (poExistingRelationship == nullptr)
10786 : {
10787 : failureReason =
10788 1 : "The relationship should already exist to be updated";
10789 1 : return false;
10790 : }
10791 :
10792 5 : if (!ValidateRelationship(relationship.get(), failureReason))
10793 : {
10794 2 : return false;
10795 : }
10796 :
10797 : // we don't permit changes to the participating tables
10798 3 : if (osLeftTableName != poExistingRelationship->GetLeftTableName())
10799 : {
10800 0 : failureReason = ("Cannot change base table from " +
10801 0 : poExistingRelationship->GetLeftTableName() +
10802 0 : " to " + osLeftTableName)
10803 0 : .c_str();
10804 0 : return false;
10805 : }
10806 3 : if (osRightTableName != poExistingRelationship->GetRightTableName())
10807 : {
10808 0 : failureReason = ("Cannot change related table from " +
10809 0 : poExistingRelationship->GetRightTableName() +
10810 0 : " to " + osRightTableName)
10811 0 : .c_str();
10812 0 : return false;
10813 : }
10814 3 : if (osMappingTableName != poExistingRelationship->GetMappingTableName())
10815 : {
10816 0 : failureReason = ("Cannot change mapping table from " +
10817 0 : poExistingRelationship->GetMappingTableName() +
10818 0 : " to " + osMappingTableName)
10819 0 : .c_str();
10820 0 : return false;
10821 : }
10822 : }
10823 :
10824 6 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10825 3 : if (osRelatedTableType.empty())
10826 : {
10827 0 : osRelatedTableType = "features";
10828 : }
10829 :
10830 3 : char *pszSQL = sqlite3_mprintf(
10831 : "DELETE FROM gpkgext_relations WHERE mapping_table_name='%q'",
10832 : osMappingTableName.c_str());
10833 3 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10834 3 : sqlite3_free(pszSQL);
10835 3 : if (eErr != OGRERR_NONE)
10836 : {
10837 : failureReason =
10838 0 : "Could not delete old relationship from gpkgext_relations";
10839 0 : return false;
10840 : }
10841 :
10842 9 : pszSQL = sqlite3_mprintf(
10843 : "INSERT INTO gpkgext_relations "
10844 : "(base_table_name,base_primary_column,related_table_name,related_"
10845 : "primary_column,relation_name,mapping_table_name) "
10846 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10847 3 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10848 3 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10849 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10850 3 : eErr = SQLCommand(hDB, pszSQL);
10851 3 : sqlite3_free(pszSQL);
10852 3 : if (eErr != OGRERR_NONE)
10853 : {
10854 : failureReason =
10855 0 : "Could not insert updated relationship into gpkgext_relations";
10856 0 : return false;
10857 : }
10858 :
10859 3 : ClearCachedRelationships();
10860 3 : LoadRelationships();
10861 3 : return true;
10862 : }
10863 :
10864 : /************************************************************************/
10865 : /* GetSqliteMasterContent() */
10866 : /************************************************************************/
10867 :
10868 : const std::vector<SQLSqliteMasterContent> &
10869 2 : GDALGeoPackageDataset::GetSqliteMasterContent()
10870 : {
10871 2 : if (m_aoSqliteMasterContent.empty())
10872 : {
10873 : auto oResultTable =
10874 2 : SQLQuery(hDB, "SELECT sql, type, tbl_name FROM sqlite_master");
10875 1 : if (oResultTable)
10876 : {
10877 58 : for (int rowCnt = 0; rowCnt < oResultTable->RowCount(); ++rowCnt)
10878 : {
10879 114 : SQLSqliteMasterContent row;
10880 57 : const char *pszSQL = oResultTable->GetValue(0, rowCnt);
10881 57 : row.osSQL = pszSQL ? pszSQL : "";
10882 57 : const char *pszType = oResultTable->GetValue(1, rowCnt);
10883 57 : row.osType = pszType ? pszType : "";
10884 57 : const char *pszTableName = oResultTable->GetValue(2, rowCnt);
10885 57 : row.osTableName = pszTableName ? pszTableName : "";
10886 57 : m_aoSqliteMasterContent.emplace_back(std::move(row));
10887 : }
10888 : }
10889 : }
10890 2 : return m_aoSqliteMasterContent;
10891 : }
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