Line data Source code
1 : /******************************************************************************
2 : *
3 : * Project: GeoPackage Translator
4 : * Purpose: Implements GDALGeoPackageDataset class
5 : * Author: Paul Ramsey <pramsey@boundlessgeo.com>
6 : *
7 : ******************************************************************************
8 : * Copyright (c) 2013, Paul Ramsey <pramsey@boundlessgeo.com>
9 : * Copyright (c) 2014, Even Rouault <even dot rouault at spatialys.com>
10 : *
11 : * SPDX-License-Identifier: MIT
12 : ****************************************************************************/
13 :
14 : #include "ogr_geopackage.h"
15 : #include "ogr_p.h"
16 : #include "ogr_swq.h"
17 : #include "gdalwarper.h"
18 : #include "gdal_utils.h"
19 : #include "ogrgeopackageutility.h"
20 : #include "ogrsqliteutility.h"
21 : #include "ogr_wkb.h"
22 : #include "vrt/vrtdataset.h"
23 :
24 : #include "tilematrixset.hpp"
25 :
26 : #include <cstdlib>
27 :
28 : #include <algorithm>
29 : #include <limits>
30 : #include <sstream>
31 :
32 : #define COMPILATION_ALLOWED
33 : #define DEFINE_OGRSQLiteSQLFunctionsSetCaseSensitiveLike
34 : #include "ogrsqlitesqlfunctionscommon.cpp"
35 :
36 : // Keep in sync prototype of those 2 functions between gdalopeninfo.cpp,
37 : // ogrsqlitedatasource.cpp and ogrgeopackagedatasource.cpp
38 : void GDALOpenInfoDeclareFileNotToOpen(const char *pszFilename,
39 : const GByte *pabyHeader,
40 : int nHeaderBytes);
41 : void GDALOpenInfoUnDeclareFileNotToOpen(const char *pszFilename);
42 :
43 : /************************************************************************/
44 : /* Tiling schemes */
45 : /************************************************************************/
46 :
47 : typedef struct
48 : {
49 : const char *pszName;
50 : int nEPSGCode;
51 : double dfMinX;
52 : double dfMaxY;
53 : int nTileXCountZoomLevel0;
54 : int nTileYCountZoomLevel0;
55 : int nTileWidth;
56 : int nTileHeight;
57 : double dfPixelXSizeZoomLevel0;
58 : double dfPixelYSizeZoomLevel0;
59 : } TilingSchemeDefinition;
60 :
61 : static const TilingSchemeDefinition asTilingSchemes[] = {
62 : /* See http://portal.opengeospatial.org/files/?artifact_id=35326 (WMTS 1.0),
63 : Annex E.3 */
64 : {"GoogleCRS84Quad", 4326, -180.0, 180.0, 1, 1, 256, 256, 360.0 / 256,
65 : 360.0 / 256},
66 :
67 : /* See global-mercator at
68 : http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification */
69 : {"PseudoTMS_GlobalMercator", 3857, -20037508.34, 20037508.34, 2, 2, 256,
70 : 256, 78271.516, 78271.516},
71 : };
72 :
73 : // Setting it above 30 would lead to integer overflow ((1 << 31) > INT_MAX)
74 : constexpr int MAX_ZOOM_LEVEL = 30;
75 :
76 : /************************************************************************/
77 : /* GetTilingScheme() */
78 : /************************************************************************/
79 :
80 : static std::unique_ptr<TilingSchemeDefinition>
81 570 : GetTilingScheme(const char *pszName)
82 : {
83 570 : if (EQUAL(pszName, "CUSTOM"))
84 442 : return nullptr;
85 :
86 256 : for (const auto &tilingScheme : asTilingSchemes)
87 : {
88 195 : if (EQUAL(pszName, tilingScheme.pszName))
89 : {
90 67 : return std::make_unique<TilingSchemeDefinition>(tilingScheme);
91 : }
92 : }
93 :
94 61 : if (EQUAL(pszName, "PseudoTMS_GlobalGeodetic"))
95 6 : pszName = "InspireCRS84Quad";
96 :
97 122 : auto poTM = gdal::TileMatrixSet::parse(pszName);
98 61 : if (poTM == nullptr)
99 1 : return nullptr;
100 60 : if (!poTM->haveAllLevelsSameTopLeft())
101 : {
102 0 : CPLError(CE_Failure, CPLE_NotSupported,
103 : "Unsupported tiling scheme: not all zoom levels have same top "
104 : "left corner");
105 0 : return nullptr;
106 : }
107 60 : if (!poTM->haveAllLevelsSameTileSize())
108 : {
109 0 : CPLError(CE_Failure, CPLE_NotSupported,
110 : "Unsupported tiling scheme: not all zoom levels have same "
111 : "tile size");
112 0 : return nullptr;
113 : }
114 60 : if (!poTM->hasOnlyPowerOfTwoVaryingScales())
115 : {
116 1 : CPLError(CE_Failure, CPLE_NotSupported,
117 : "Unsupported tiling scheme: resolution of consecutive zoom "
118 : "levels is not always 2");
119 1 : return nullptr;
120 : }
121 59 : if (poTM->hasVariableMatrixWidth())
122 : {
123 0 : CPLError(CE_Failure, CPLE_NotSupported,
124 : "Unsupported tiling scheme: some levels have variable matrix "
125 : "width");
126 0 : return nullptr;
127 : }
128 118 : auto poTilingScheme = std::make_unique<TilingSchemeDefinition>();
129 59 : poTilingScheme->pszName = pszName;
130 :
131 118 : OGRSpatialReference oSRS;
132 59 : if (oSRS.SetFromUserInput(poTM->crs().c_str()) != OGRERR_NONE)
133 : {
134 0 : return nullptr;
135 : }
136 59 : if (poTM->crs() == "http://www.opengis.net/def/crs/OGC/1.3/CRS84")
137 : {
138 6 : poTilingScheme->nEPSGCode = 4326;
139 : }
140 : else
141 : {
142 53 : const char *pszAuthName = oSRS.GetAuthorityName(nullptr);
143 53 : const char *pszAuthCode = oSRS.GetAuthorityCode(nullptr);
144 53 : if (pszAuthName == nullptr || !EQUAL(pszAuthName, "EPSG") ||
145 : pszAuthCode == nullptr)
146 : {
147 0 : CPLError(CE_Failure, CPLE_NotSupported,
148 : "Unsupported tiling scheme: only EPSG CRS supported");
149 0 : return nullptr;
150 : }
151 53 : poTilingScheme->nEPSGCode = atoi(pszAuthCode);
152 : }
153 59 : const auto &zoomLevel0 = poTM->tileMatrixList()[0];
154 59 : poTilingScheme->dfMinX = zoomLevel0.mTopLeftX;
155 59 : poTilingScheme->dfMaxY = zoomLevel0.mTopLeftY;
156 59 : poTilingScheme->nTileXCountZoomLevel0 = zoomLevel0.mMatrixWidth;
157 59 : poTilingScheme->nTileYCountZoomLevel0 = zoomLevel0.mMatrixHeight;
158 59 : poTilingScheme->nTileWidth = zoomLevel0.mTileWidth;
159 59 : poTilingScheme->nTileHeight = zoomLevel0.mTileHeight;
160 59 : poTilingScheme->dfPixelXSizeZoomLevel0 = zoomLevel0.mResX;
161 59 : poTilingScheme->dfPixelYSizeZoomLevel0 = zoomLevel0.mResY;
162 :
163 118 : const bool bInvertAxis = oSRS.EPSGTreatsAsLatLong() != FALSE ||
164 59 : oSRS.EPSGTreatsAsNorthingEasting() != FALSE;
165 59 : if (bInvertAxis)
166 : {
167 6 : std::swap(poTilingScheme->dfMinX, poTilingScheme->dfMaxY);
168 6 : std::swap(poTilingScheme->dfPixelXSizeZoomLevel0,
169 6 : poTilingScheme->dfPixelYSizeZoomLevel0);
170 : }
171 59 : return poTilingScheme;
172 : }
173 :
174 : static const char *pszCREATE_GPKG_GEOMETRY_COLUMNS =
175 : "CREATE TABLE gpkg_geometry_columns ("
176 : "table_name TEXT NOT NULL,"
177 : "column_name TEXT NOT NULL,"
178 : "geometry_type_name TEXT NOT NULL,"
179 : "srs_id INTEGER NOT NULL,"
180 : "z TINYINT NOT NULL,"
181 : "m TINYINT NOT NULL,"
182 : "CONSTRAINT pk_geom_cols PRIMARY KEY (table_name, column_name),"
183 : "CONSTRAINT uk_gc_table_name UNIQUE (table_name),"
184 : "CONSTRAINT fk_gc_tn FOREIGN KEY (table_name) REFERENCES "
185 : "gpkg_contents(table_name),"
186 : "CONSTRAINT fk_gc_srs FOREIGN KEY (srs_id) REFERENCES gpkg_spatial_ref_sys "
187 : "(srs_id)"
188 : ")";
189 :
190 950 : OGRErr GDALGeoPackageDataset::SetApplicationAndUserVersionId()
191 : {
192 950 : CPLAssert(hDB != nullptr);
193 :
194 950 : const CPLString osPragma(CPLString().Printf("PRAGMA application_id = %u;"
195 : "PRAGMA user_version = %u",
196 : m_nApplicationId,
197 1900 : m_nUserVersion));
198 1900 : return SQLCommand(hDB, osPragma.c_str());
199 : }
200 :
201 2589 : bool GDALGeoPackageDataset::CloseDB()
202 : {
203 2589 : OGRSQLiteUnregisterSQLFunctions(m_pSQLFunctionData);
204 2589 : m_pSQLFunctionData = nullptr;
205 2589 : return OGRSQLiteBaseDataSource::CloseDB();
206 : }
207 :
208 11 : bool GDALGeoPackageDataset::ReOpenDB()
209 : {
210 11 : CPLAssert(hDB != nullptr);
211 11 : CPLAssert(m_pszFilename != nullptr);
212 :
213 11 : FinishSpatialite();
214 :
215 11 : CloseDB();
216 :
217 : /* And re-open the file */
218 11 : return OpenOrCreateDB(SQLITE_OPEN_READWRITE);
219 : }
220 :
221 824 : static OGRErr GDALGPKGImportFromEPSG(OGRSpatialReference *poSpatialRef,
222 : int nEPSGCode)
223 : {
224 824 : CPLPushErrorHandler(CPLQuietErrorHandler);
225 824 : const OGRErr eErr = poSpatialRef->importFromEPSG(nEPSGCode);
226 824 : CPLPopErrorHandler();
227 824 : CPLErrorReset();
228 824 : return eErr;
229 : }
230 :
231 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>
232 1263 : GDALGeoPackageDataset::GetSpatialRef(int iSrsId, bool bFallbackToEPSG,
233 : bool bEmitErrorIfNotFound)
234 : {
235 1263 : const auto oIter = m_oMapSrsIdToSrs.find(iSrsId);
236 1263 : if (oIter != m_oMapSrsIdToSrs.end())
237 : {
238 90 : if (oIter->second == nullptr)
239 33 : return nullptr;
240 57 : oIter->second->Reference();
241 : return std::unique_ptr<OGRSpatialReference,
242 57 : OGRSpatialReferenceReleaser>(oIter->second);
243 : }
244 :
245 1173 : if (iSrsId == 0 || iSrsId == -1)
246 : {
247 119 : OGRSpatialReference *poSpatialRef = new OGRSpatialReference();
248 119 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
249 :
250 : // See corresponding tests in GDALGeoPackageDataset::GetSrsId
251 119 : if (iSrsId == 0)
252 : {
253 29 : poSpatialRef->SetGeogCS("Undefined geographic SRS", "unknown",
254 : "unknown", SRS_WGS84_SEMIMAJOR,
255 : SRS_WGS84_INVFLATTENING);
256 : }
257 90 : else if (iSrsId == -1)
258 : {
259 90 : poSpatialRef->SetLocalCS("Undefined Cartesian SRS");
260 90 : poSpatialRef->SetLinearUnits(SRS_UL_METER, 1.0);
261 : }
262 :
263 119 : m_oMapSrsIdToSrs[iSrsId] = poSpatialRef;
264 119 : poSpatialRef->Reference();
265 : return std::unique_ptr<OGRSpatialReference,
266 119 : OGRSpatialReferenceReleaser>(poSpatialRef);
267 : }
268 :
269 2108 : CPLString oSQL;
270 1054 : oSQL.Printf("SELECT srs_name, definition, organization, "
271 : "organization_coordsys_id%s%s "
272 : "FROM gpkg_spatial_ref_sys WHERE "
273 : "srs_id = %d LIMIT 2",
274 1054 : m_bHasDefinition12_063 ? ", definition_12_063" : "",
275 1054 : m_bHasEpochColumn ? ", epoch" : "", iSrsId);
276 :
277 2108 : auto oResult = SQLQuery(hDB, oSQL.c_str());
278 :
279 1054 : if (!oResult || oResult->RowCount() != 1)
280 : {
281 12 : if (bFallbackToEPSG)
282 : {
283 7 : CPLDebug("GPKG",
284 : "unable to read srs_id '%d' from gpkg_spatial_ref_sys",
285 : iSrsId);
286 7 : OGRSpatialReference *poSRS = new OGRSpatialReference();
287 7 : if (poSRS->importFromEPSG(iSrsId) == OGRERR_NONE)
288 : {
289 5 : poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
290 : return std::unique_ptr<OGRSpatialReference,
291 5 : OGRSpatialReferenceReleaser>(poSRS);
292 : }
293 2 : poSRS->Release();
294 : }
295 5 : else if (bEmitErrorIfNotFound)
296 : {
297 2 : CPLError(CE_Warning, CPLE_AppDefined,
298 : "unable to read srs_id '%d' from gpkg_spatial_ref_sys",
299 : iSrsId);
300 2 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
301 : }
302 7 : return nullptr;
303 : }
304 :
305 1042 : const char *pszName = oResult->GetValue(0, 0);
306 1042 : if (pszName && EQUAL(pszName, "Undefined SRS"))
307 : {
308 450 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
309 450 : return nullptr;
310 : }
311 592 : const char *pszWkt = oResult->GetValue(1, 0);
312 592 : if (pszWkt == nullptr)
313 0 : return nullptr;
314 592 : const char *pszOrganization = oResult->GetValue(2, 0);
315 592 : const char *pszOrganizationCoordsysID = oResult->GetValue(3, 0);
316 : const char *pszWkt2 =
317 592 : m_bHasDefinition12_063 ? oResult->GetValue(4, 0) : nullptr;
318 592 : if (pszWkt2 && !EQUAL(pszWkt2, "undefined"))
319 76 : pszWkt = pszWkt2;
320 : const char *pszCoordinateEpoch =
321 592 : m_bHasEpochColumn ? oResult->GetValue(5, 0) : nullptr;
322 : const double dfCoordinateEpoch =
323 592 : pszCoordinateEpoch ? CPLAtof(pszCoordinateEpoch) : 0.0;
324 :
325 592 : OGRSpatialReference *poSpatialRef = new OGRSpatialReference();
326 592 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
327 : // Try to import first from EPSG code, and then from WKT
328 592 : if (!(pszOrganization && pszOrganizationCoordsysID &&
329 592 : EQUAL(pszOrganization, "EPSG") &&
330 572 : (atoi(pszOrganizationCoordsysID) == iSrsId ||
331 4 : (dfCoordinateEpoch > 0 && strstr(pszWkt, "DYNAMIC[") == nullptr)) &&
332 572 : GDALGPKGImportFromEPSG(
333 1184 : poSpatialRef, atoi(pszOrganizationCoordsysID)) == OGRERR_NONE) &&
334 20 : poSpatialRef->importFromWkt(pszWkt) != OGRERR_NONE)
335 : {
336 0 : CPLError(CE_Warning, CPLE_AppDefined,
337 : "Unable to parse srs_id '%d' well-known text '%s'", iSrsId,
338 : pszWkt);
339 0 : delete poSpatialRef;
340 0 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
341 0 : return nullptr;
342 : }
343 :
344 592 : poSpatialRef->StripTOWGS84IfKnownDatumAndAllowed();
345 592 : poSpatialRef->SetCoordinateEpoch(dfCoordinateEpoch);
346 592 : m_oMapSrsIdToSrs[iSrsId] = poSpatialRef;
347 592 : poSpatialRef->Reference();
348 : return std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>(
349 592 : poSpatialRef);
350 : }
351 :
352 281 : const char *GDALGeoPackageDataset::GetSrsName(const OGRSpatialReference &oSRS)
353 : {
354 281 : const char *pszName = oSRS.GetName();
355 281 : if (pszName)
356 281 : return pszName;
357 :
358 : // Something odd. Return empty.
359 0 : return "Unnamed SRS";
360 : }
361 :
362 : /* Add the definition_12_063 column to an existing gpkg_spatial_ref_sys table */
363 7 : bool GDALGeoPackageDataset::ConvertGpkgSpatialRefSysToExtensionWkt2(
364 : bool bForceEpoch)
365 : {
366 7 : const bool bAddEpoch = (m_nUserVersion >= GPKG_1_4_VERSION || bForceEpoch);
367 : auto oResultTable = SQLQuery(
368 : hDB, "SELECT srs_name, srs_id, organization, organization_coordsys_id, "
369 14 : "definition, description FROM gpkg_spatial_ref_sys LIMIT 100000");
370 7 : if (!oResultTable)
371 0 : return false;
372 :
373 : // Temporary remove foreign key checks
374 : const GPKGTemporaryForeignKeyCheckDisabler
375 7 : oGPKGTemporaryForeignKeyCheckDisabler(this);
376 :
377 7 : bool bRet = SoftStartTransaction() == OGRERR_NONE;
378 :
379 7 : if (bRet)
380 : {
381 : std::string osSQL("CREATE TABLE gpkg_spatial_ref_sys_temp ("
382 : "srs_name TEXT NOT NULL,"
383 : "srs_id INTEGER NOT NULL PRIMARY KEY,"
384 : "organization TEXT NOT NULL,"
385 : "organization_coordsys_id INTEGER NOT NULL,"
386 : "definition TEXT NOT NULL,"
387 : "description TEXT, "
388 7 : "definition_12_063 TEXT NOT NULL");
389 7 : if (bAddEpoch)
390 6 : osSQL += ", epoch DOUBLE";
391 7 : osSQL += ")";
392 7 : bRet = SQLCommand(hDB, osSQL.c_str()) == OGRERR_NONE;
393 : }
394 :
395 7 : if (bRet)
396 : {
397 32 : for (int i = 0; bRet && i < oResultTable->RowCount(); i++)
398 : {
399 25 : const char *pszSrsName = oResultTable->GetValue(0, i);
400 25 : const char *pszSrsId = oResultTable->GetValue(1, i);
401 25 : const char *pszOrganization = oResultTable->GetValue(2, i);
402 : const char *pszOrganizationCoordsysID =
403 25 : oResultTable->GetValue(3, i);
404 25 : const char *pszDefinition = oResultTable->GetValue(4, i);
405 : if (pszSrsName == nullptr || pszSrsId == nullptr ||
406 : pszOrganization == nullptr ||
407 : pszOrganizationCoordsysID == nullptr)
408 : {
409 : // should not happen as there are NOT NULL constraints
410 : // But a database could lack such NOT NULL constraints or have
411 : // large values that would cause a memory allocation failure.
412 : }
413 25 : const char *pszDescription = oResultTable->GetValue(5, i);
414 : char *pszSQL;
415 :
416 50 : OGRSpatialReference oSRS;
417 25 : if (pszOrganization && pszOrganizationCoordsysID &&
418 25 : EQUAL(pszOrganization, "EPSG"))
419 : {
420 9 : oSRS.importFromEPSG(atoi(pszOrganizationCoordsysID));
421 : }
422 34 : if (!oSRS.IsEmpty() && pszDefinition &&
423 9 : !EQUAL(pszDefinition, "undefined"))
424 : {
425 9 : oSRS.SetFromUserInput(pszDefinition);
426 : }
427 25 : char *pszWKT2 = nullptr;
428 25 : if (!oSRS.IsEmpty())
429 : {
430 9 : const char *const apszOptionsWkt2[] = {"FORMAT=WKT2_2015",
431 : nullptr};
432 9 : oSRS.exportToWkt(&pszWKT2, apszOptionsWkt2);
433 9 : if (pszWKT2 && pszWKT2[0] == '\0')
434 : {
435 0 : CPLFree(pszWKT2);
436 0 : pszWKT2 = nullptr;
437 : }
438 : }
439 25 : if (pszWKT2 == nullptr)
440 : {
441 16 : pszWKT2 = CPLStrdup("undefined");
442 : }
443 :
444 25 : if (pszDescription)
445 : {
446 22 : pszSQL = sqlite3_mprintf(
447 : "INSERT INTO gpkg_spatial_ref_sys_temp(srs_name, srs_id, "
448 : "organization, organization_coordsys_id, definition, "
449 : "description, definition_12_063) VALUES ('%q', '%q', '%q', "
450 : "'%q', '%q', '%q', '%q')",
451 : pszSrsName, pszSrsId, pszOrganization,
452 : pszOrganizationCoordsysID, pszDefinition, pszDescription,
453 : pszWKT2);
454 : }
455 : else
456 : {
457 3 : pszSQL = sqlite3_mprintf(
458 : "INSERT INTO gpkg_spatial_ref_sys_temp(srs_name, srs_id, "
459 : "organization, organization_coordsys_id, definition, "
460 : "description, definition_12_063) VALUES ('%q', '%q', '%q', "
461 : "'%q', '%q', NULL, '%q')",
462 : pszSrsName, pszSrsId, pszOrganization,
463 : pszOrganizationCoordsysID, pszDefinition, pszWKT2);
464 : }
465 :
466 25 : CPLFree(pszWKT2);
467 25 : bRet &= SQLCommand(hDB, pszSQL) == OGRERR_NONE;
468 25 : sqlite3_free(pszSQL);
469 : }
470 : }
471 :
472 7 : if (bRet)
473 : {
474 7 : bRet =
475 7 : SQLCommand(hDB, "DROP TABLE gpkg_spatial_ref_sys") == OGRERR_NONE;
476 : }
477 7 : if (bRet)
478 : {
479 7 : bRet = SQLCommand(hDB, "ALTER TABLE gpkg_spatial_ref_sys_temp RENAME "
480 : "TO gpkg_spatial_ref_sys") == OGRERR_NONE;
481 : }
482 7 : if (bRet)
483 : {
484 14 : bRet = OGRERR_NONE == CreateExtensionsTableIfNecessary() &&
485 7 : OGRERR_NONE == SQLCommand(hDB,
486 : "INSERT INTO gpkg_extensions "
487 : "(table_name, column_name, "
488 : "extension_name, definition, scope) "
489 : "VALUES "
490 : "('gpkg_spatial_ref_sys', "
491 : "'definition_12_063', 'gpkg_crs_wkt', "
492 : "'http://www.geopackage.org/spec120/"
493 : "#extension_crs_wkt', 'read-write')");
494 : }
495 7 : if (bRet && bAddEpoch)
496 : {
497 6 : bRet =
498 : OGRERR_NONE ==
499 6 : SQLCommand(hDB, "UPDATE gpkg_extensions SET extension_name = "
500 : "'gpkg_crs_wkt_1_1' "
501 12 : "WHERE extension_name = 'gpkg_crs_wkt'") &&
502 : OGRERR_NONE ==
503 6 : SQLCommand(
504 : hDB,
505 : "INSERT INTO gpkg_extensions "
506 : "(table_name, column_name, extension_name, definition, "
507 : "scope) "
508 : "VALUES "
509 : "('gpkg_spatial_ref_sys', 'epoch', 'gpkg_crs_wkt_1_1', "
510 : "'http://www.geopackage.org/spec/#extension_crs_wkt', "
511 : "'read-write')");
512 : }
513 7 : if (bRet)
514 : {
515 7 : SoftCommitTransaction();
516 7 : m_bHasDefinition12_063 = true;
517 7 : if (bAddEpoch)
518 6 : m_bHasEpochColumn = true;
519 : }
520 : else
521 : {
522 0 : SoftRollbackTransaction();
523 : }
524 :
525 7 : return bRet;
526 : }
527 :
528 913 : int GDALGeoPackageDataset::GetSrsId(const OGRSpatialReference *poSRSIn)
529 : {
530 913 : const char *pszName = poSRSIn ? poSRSIn->GetName() : nullptr;
531 1319 : if (!poSRSIn || poSRSIn->IsEmpty() ||
532 406 : (pszName && EQUAL(pszName, "Undefined SRS")))
533 : {
534 509 : OGRErr err = OGRERR_NONE;
535 509 : const int nSRSId = SQLGetInteger(
536 : hDB,
537 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE srs_name = "
538 : "'Undefined SRS' AND organization = 'GDAL'",
539 : &err);
540 509 : if (err == OGRERR_NONE)
541 57 : return nSRSId;
542 :
543 : // The below WKT definitions are somehow questionable (using a unknown
544 : // unit). For GDAL >= 3.9, they won't be used. They will only be used
545 : // for earlier versions.
546 : const char *pszSQL;
547 : #define UNDEFINED_CRS_SRS_ID 99999
548 : static_assert(UNDEFINED_CRS_SRS_ID == FIRST_CUSTOM_SRSID - 1);
549 : #define STRINGIFY(x) #x
550 : #define XSTRINGIFY(x) STRINGIFY(x)
551 452 : if (m_bHasDefinition12_063)
552 : {
553 : /* clang-format off */
554 1 : pszSQL =
555 : "INSERT INTO gpkg_spatial_ref_sys "
556 : "(srs_name,srs_id,organization,organization_coordsys_id,"
557 : "definition, definition_12_063, description) VALUES "
558 : "('Undefined SRS'," XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ",'GDAL',"
559 : XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ","
560 : "'LOCAL_CS[\"Undefined SRS\",LOCAL_DATUM[\"unknown\",32767],"
561 : "UNIT[\"unknown\",0],AXIS[\"Easting\",EAST],"
562 : "AXIS[\"Northing\",NORTH]]',"
563 : "'ENGCRS[\"Undefined SRS\",EDATUM[\"unknown\"],CS[Cartesian,2],"
564 : "AXIS[\"easting\",east,ORDER[1],LENGTHUNIT[\"unknown\",0]],"
565 : "AXIS[\"northing\",north,ORDER[2],LENGTHUNIT[\"unknown\",0]]]',"
566 : "'Custom undefined coordinate reference system')";
567 : /* clang-format on */
568 : }
569 : else
570 : {
571 : /* clang-format off */
572 451 : pszSQL =
573 : "INSERT INTO gpkg_spatial_ref_sys "
574 : "(srs_name,srs_id,organization,organization_coordsys_id,"
575 : "definition, description) VALUES "
576 : "('Undefined SRS'," XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ",'GDAL',"
577 : XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ","
578 : "'LOCAL_CS[\"Undefined SRS\",LOCAL_DATUM[\"unknown\",32767],"
579 : "UNIT[\"unknown\",0],AXIS[\"Easting\",EAST],"
580 : "AXIS[\"Northing\",NORTH]]',"
581 : "'Custom undefined coordinate reference system')";
582 : /* clang-format on */
583 : }
584 452 : if (SQLCommand(hDB, pszSQL) == OGRERR_NONE)
585 452 : return UNDEFINED_CRS_SRS_ID;
586 : #undef UNDEFINED_CRS_SRS_ID
587 : #undef XSTRINGIFY
588 : #undef STRINGIFY
589 0 : return -1;
590 : }
591 :
592 808 : std::unique_ptr<OGRSpatialReference> poSRS(poSRSIn->Clone());
593 :
594 404 : if (poSRS->IsGeographic() || poSRS->IsLocal())
595 : {
596 : // See corresponding tests in GDALGeoPackageDataset::GetSpatialRef
597 140 : if (pszName != nullptr && strlen(pszName) > 0)
598 : {
599 140 : if (EQUAL(pszName, "Undefined geographic SRS"))
600 2 : return 0;
601 :
602 138 : if (EQUAL(pszName, "Undefined Cartesian SRS"))
603 1 : return -1;
604 : }
605 : }
606 :
607 401 : const char *pszAuthorityName = poSRS->GetAuthorityName(nullptr);
608 :
609 401 : if (pszAuthorityName == nullptr || strlen(pszAuthorityName) == 0)
610 : {
611 : // Try to force identify an EPSG code.
612 26 : poSRS->AutoIdentifyEPSG();
613 :
614 26 : pszAuthorityName = poSRS->GetAuthorityName(nullptr);
615 26 : if (pszAuthorityName != nullptr && EQUAL(pszAuthorityName, "EPSG"))
616 : {
617 0 : const char *pszAuthorityCode = poSRS->GetAuthorityCode(nullptr);
618 0 : if (pszAuthorityCode != nullptr && strlen(pszAuthorityCode) > 0)
619 : {
620 : /* Import 'clean' SRS */
621 0 : poSRS->importFromEPSG(atoi(pszAuthorityCode));
622 :
623 0 : pszAuthorityName = poSRS->GetAuthorityName(nullptr);
624 : }
625 : }
626 :
627 26 : poSRS->SetCoordinateEpoch(poSRSIn->GetCoordinateEpoch());
628 : }
629 :
630 : // Check whether the EPSG authority code is already mapped to a
631 : // SRS ID.
632 401 : char *pszSQL = nullptr;
633 401 : int nSRSId = DEFAULT_SRID;
634 401 : int nAuthorityCode = 0;
635 401 : OGRErr err = OGRERR_NONE;
636 401 : bool bCanUseAuthorityCode = false;
637 401 : const char *const apszIsSameOptions[] = {
638 : "IGNORE_DATA_AXIS_TO_SRS_AXIS_MAPPING=YES",
639 : "IGNORE_COORDINATE_EPOCH=YES", nullptr};
640 401 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0)
641 : {
642 375 : const char *pszAuthorityCode = poSRS->GetAuthorityCode(nullptr);
643 375 : if (pszAuthorityCode)
644 : {
645 375 : if (CPLGetValueType(pszAuthorityCode) == CPL_VALUE_INTEGER)
646 : {
647 375 : nAuthorityCode = atoi(pszAuthorityCode);
648 : }
649 : else
650 : {
651 0 : CPLDebug("GPKG",
652 : "SRS has %s:%s identification, but the code not "
653 : "being an integer value cannot be stored as such "
654 : "in the database.",
655 : pszAuthorityName, pszAuthorityCode);
656 0 : pszAuthorityName = nullptr;
657 : }
658 : }
659 : }
660 :
661 776 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
662 375 : poSRSIn->GetCoordinateEpoch() == 0)
663 : {
664 : pszSQL =
665 370 : sqlite3_mprintf("SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
666 : "upper(organization) = upper('%q') AND "
667 : "organization_coordsys_id = %d",
668 : pszAuthorityName, nAuthorityCode);
669 :
670 370 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
671 370 : sqlite3_free(pszSQL);
672 :
673 : // Got a match? Return it!
674 370 : if (OGRERR_NONE == err)
675 : {
676 116 : auto poRefSRS = GetSpatialRef(nSRSId);
677 : bool bOK =
678 116 : (poRefSRS == nullptr ||
679 117 : poSRS->IsSame(poRefSRS.get(), apszIsSameOptions) ||
680 1 : !CPLTestBool(CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")));
681 116 : if (bOK)
682 : {
683 115 : return nSRSId;
684 : }
685 : else
686 : {
687 1 : CPLError(CE_Warning, CPLE_AppDefined,
688 : "Passed SRS uses %s:%d identification, but its "
689 : "definition is not compatible with the "
690 : "definition of that object already in the database. "
691 : "Registering it as a new entry into the database.",
692 : pszAuthorityName, nAuthorityCode);
693 1 : pszAuthorityName = nullptr;
694 1 : nAuthorityCode = 0;
695 : }
696 : }
697 : }
698 :
699 : // Translate SRS to WKT.
700 286 : CPLCharUniquePtr pszWKT1;
701 286 : CPLCharUniquePtr pszWKT2_2015;
702 286 : CPLCharUniquePtr pszWKT2_2019;
703 286 : const char *const apszOptionsWkt1[] = {"FORMAT=WKT1_GDAL", nullptr};
704 286 : const char *const apszOptionsWkt2_2015[] = {"FORMAT=WKT2_2015", nullptr};
705 286 : const char *const apszOptionsWkt2_2019[] = {"FORMAT=WKT2_2019", nullptr};
706 :
707 572 : std::string osEpochTest;
708 286 : if (poSRSIn->GetCoordinateEpoch() > 0 && m_bHasEpochColumn)
709 : {
710 : osEpochTest =
711 3 : CPLSPrintf(" AND epoch = %.17g", poSRSIn->GetCoordinateEpoch());
712 : }
713 :
714 286 : if (!(poSRS->IsGeographic() && poSRS->GetAxesCount() == 3))
715 : {
716 277 : char *pszTmp = nullptr;
717 277 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt1);
718 277 : pszWKT1.reset(pszTmp);
719 277 : if (pszWKT1 && pszWKT1.get()[0] == '\0')
720 : {
721 0 : pszWKT1.reset();
722 : }
723 : }
724 : {
725 286 : char *pszTmp = nullptr;
726 286 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2015);
727 286 : pszWKT2_2015.reset(pszTmp);
728 286 : if (pszWKT2_2015 && pszWKT2_2015.get()[0] == '\0')
729 : {
730 0 : pszWKT2_2015.reset();
731 : }
732 : }
733 : {
734 286 : char *pszTmp = nullptr;
735 286 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2019);
736 286 : pszWKT2_2019.reset(pszTmp);
737 286 : if (pszWKT2_2019 && pszWKT2_2019.get()[0] == '\0')
738 : {
739 0 : pszWKT2_2019.reset();
740 : }
741 : }
742 :
743 286 : if (!pszWKT1 && !pszWKT2_2015 && !pszWKT2_2019)
744 : {
745 0 : return DEFAULT_SRID;
746 : }
747 :
748 286 : if (poSRSIn->GetCoordinateEpoch() == 0 || m_bHasEpochColumn)
749 : {
750 : // Search if there is already an existing entry with this WKT
751 283 : if (m_bHasDefinition12_063 && (pszWKT2_2015 || pszWKT2_2019))
752 : {
753 42 : if (pszWKT1)
754 : {
755 144 : pszSQL = sqlite3_mprintf(
756 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
757 : "(definition = '%q' OR definition_12_063 IN ('%q','%q'))%s",
758 : pszWKT1.get(),
759 72 : pszWKT2_2015 ? pszWKT2_2015.get() : "invalid",
760 72 : pszWKT2_2019 ? pszWKT2_2019.get() : "invalid",
761 : osEpochTest.c_str());
762 : }
763 : else
764 : {
765 24 : pszSQL = sqlite3_mprintf(
766 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
767 : "definition_12_063 IN ('%q', '%q')%s",
768 12 : pszWKT2_2015 ? pszWKT2_2015.get() : "invalid",
769 12 : pszWKT2_2019 ? pszWKT2_2019.get() : "invalid",
770 : osEpochTest.c_str());
771 : }
772 : }
773 241 : else if (pszWKT1)
774 : {
775 : pszSQL =
776 238 : sqlite3_mprintf("SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
777 : "definition = '%q'%s",
778 : pszWKT1.get(), osEpochTest.c_str());
779 : }
780 : else
781 : {
782 3 : pszSQL = nullptr;
783 : }
784 283 : if (pszSQL)
785 : {
786 280 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
787 280 : sqlite3_free(pszSQL);
788 280 : if (OGRERR_NONE == err)
789 : {
790 5 : return nSRSId;
791 : }
792 : }
793 : }
794 :
795 538 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
796 257 : poSRSIn->GetCoordinateEpoch() == 0)
797 : {
798 253 : bool bTryToReuseSRSId = true;
799 253 : if (EQUAL(pszAuthorityName, "EPSG"))
800 : {
801 504 : OGRSpatialReference oSRS_EPSG;
802 252 : if (GDALGPKGImportFromEPSG(&oSRS_EPSG, nAuthorityCode) ==
803 : OGRERR_NONE)
804 : {
805 253 : if (!poSRS->IsSame(&oSRS_EPSG, apszIsSameOptions) &&
806 1 : CPLTestBool(
807 : CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")))
808 : {
809 1 : bTryToReuseSRSId = false;
810 1 : CPLError(
811 : CE_Warning, CPLE_AppDefined,
812 : "Passed SRS uses %s:%d identification, but its "
813 : "definition is not compatible with the "
814 : "official definition of the object. "
815 : "Registering it as a non-%s entry into the database.",
816 : pszAuthorityName, nAuthorityCode, pszAuthorityName);
817 1 : pszAuthorityName = nullptr;
818 1 : nAuthorityCode = 0;
819 : }
820 : }
821 : }
822 253 : if (bTryToReuseSRSId)
823 : {
824 : // No match, but maybe we can use the nAuthorityCode as the nSRSId?
825 252 : pszSQL = sqlite3_mprintf(
826 : "SELECT Count(*) FROM gpkg_spatial_ref_sys WHERE "
827 : "srs_id = %d",
828 : nAuthorityCode);
829 :
830 : // Yep, we can!
831 252 : if (SQLGetInteger(hDB, pszSQL, nullptr) == 0)
832 251 : bCanUseAuthorityCode = true;
833 252 : sqlite3_free(pszSQL);
834 : }
835 : }
836 :
837 281 : bool bConvertGpkgSpatialRefSysToExtensionWkt2 = false;
838 281 : bool bForceEpoch = false;
839 284 : if (!m_bHasDefinition12_063 && pszWKT1 == nullptr &&
840 3 : (pszWKT2_2015 != nullptr || pszWKT2_2019 != nullptr))
841 : {
842 3 : bConvertGpkgSpatialRefSysToExtensionWkt2 = true;
843 : }
844 :
845 : // Add epoch column if needed
846 281 : if (poSRSIn->GetCoordinateEpoch() > 0 && !m_bHasEpochColumn)
847 : {
848 3 : if (m_bHasDefinition12_063)
849 : {
850 0 : if (SoftStartTransaction() != OGRERR_NONE)
851 0 : return DEFAULT_SRID;
852 0 : if (SQLCommand(hDB, "ALTER TABLE gpkg_spatial_ref_sys "
853 0 : "ADD COLUMN epoch DOUBLE") != OGRERR_NONE ||
854 0 : SQLCommand(hDB, "UPDATE gpkg_extensions SET extension_name = "
855 : "'gpkg_crs_wkt_1_1' "
856 : "WHERE extension_name = 'gpkg_crs_wkt'") !=
857 0 : OGRERR_NONE ||
858 0 : SQLCommand(
859 : hDB,
860 : "INSERT INTO gpkg_extensions "
861 : "(table_name, column_name, extension_name, definition, "
862 : "scope) "
863 : "VALUES "
864 : "('gpkg_spatial_ref_sys', 'epoch', 'gpkg_crs_wkt_1_1', "
865 : "'http://www.geopackage.org/spec/#extension_crs_wkt', "
866 : "'read-write')") != OGRERR_NONE)
867 : {
868 0 : SoftRollbackTransaction();
869 0 : return DEFAULT_SRID;
870 : }
871 :
872 0 : if (SoftCommitTransaction() != OGRERR_NONE)
873 0 : return DEFAULT_SRID;
874 :
875 0 : m_bHasEpochColumn = true;
876 : }
877 : else
878 : {
879 3 : bConvertGpkgSpatialRefSysToExtensionWkt2 = true;
880 3 : bForceEpoch = true;
881 : }
882 : }
883 :
884 287 : if (bConvertGpkgSpatialRefSysToExtensionWkt2 &&
885 6 : !ConvertGpkgSpatialRefSysToExtensionWkt2(bForceEpoch))
886 : {
887 0 : return DEFAULT_SRID;
888 : }
889 :
890 : // Reuse the authority code number as SRS_ID if we can
891 281 : if (bCanUseAuthorityCode)
892 : {
893 251 : nSRSId = nAuthorityCode;
894 : }
895 : // Otherwise, generate a new SRS_ID number (max + 1)
896 : else
897 : {
898 : // Get the current maximum srid in the srs table.
899 30 : const int nMaxSRSId = SQLGetInteger(
900 : hDB, "SELECT MAX(srs_id) FROM gpkg_spatial_ref_sys", nullptr);
901 30 : nSRSId = std::max(FIRST_CUSTOM_SRSID, nMaxSRSId + 1);
902 : }
903 :
904 562 : std::string osEpochColumn;
905 281 : std::string osEpochVal;
906 281 : if (poSRSIn->GetCoordinateEpoch() > 0)
907 : {
908 5 : osEpochColumn = ", epoch";
909 5 : osEpochVal = CPLSPrintf(", %.17g", poSRSIn->GetCoordinateEpoch());
910 : }
911 :
912 : // Add new SRS row to gpkg_spatial_ref_sys.
913 281 : if (m_bHasDefinition12_063)
914 : {
915 : // Force WKT2_2019 when we have a dynamic CRS and coordinate epoch
916 45 : const char *pszWKT2 = poSRSIn->IsDynamic() &&
917 10 : poSRSIn->GetCoordinateEpoch() > 0 &&
918 1 : pszWKT2_2019
919 1 : ? pszWKT2_2019.get()
920 44 : : pszWKT2_2015 ? pszWKT2_2015.get()
921 97 : : pszWKT2_2019.get();
922 :
923 45 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
924 : {
925 99 : pszSQL = sqlite3_mprintf(
926 : "INSERT INTO gpkg_spatial_ref_sys "
927 : "(srs_name,srs_id,organization,organization_coordsys_id,"
928 : "definition, definition_12_063%s) VALUES "
929 : "('%q', %d, upper('%q'), %d, '%q', '%q'%s)",
930 33 : osEpochColumn.c_str(), GetSrsName(*poSRS), nSRSId,
931 : pszAuthorityName, nAuthorityCode,
932 62 : pszWKT1 ? pszWKT1.get() : "undefined",
933 : pszWKT2 ? pszWKT2 : "undefined", osEpochVal.c_str());
934 : }
935 : else
936 : {
937 36 : pszSQL = sqlite3_mprintf(
938 : "INSERT INTO gpkg_spatial_ref_sys "
939 : "(srs_name,srs_id,organization,organization_coordsys_id,"
940 : "definition, definition_12_063%s) VALUES "
941 : "('%q', %d, upper('%q'), %d, '%q', '%q'%s)",
942 12 : osEpochColumn.c_str(), GetSrsName(*poSRS), nSRSId, "NONE",
943 21 : nSRSId, pszWKT1 ? pszWKT1.get() : "undefined",
944 : pszWKT2 ? pszWKT2 : "undefined", osEpochVal.c_str());
945 : }
946 : }
947 : else
948 : {
949 236 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
950 : {
951 446 : pszSQL = sqlite3_mprintf(
952 : "INSERT INTO gpkg_spatial_ref_sys "
953 : "(srs_name,srs_id,organization,organization_coordsys_id,"
954 : "definition) VALUES ('%q', %d, upper('%q'), %d, '%q')",
955 223 : GetSrsName(*poSRS), nSRSId, pszAuthorityName, nAuthorityCode,
956 446 : pszWKT1 ? pszWKT1.get() : "undefined");
957 : }
958 : else
959 : {
960 26 : pszSQL = sqlite3_mprintf(
961 : "INSERT INTO gpkg_spatial_ref_sys "
962 : "(srs_name,srs_id,organization,organization_coordsys_id,"
963 : "definition) VALUES ('%q', %d, upper('%q'), %d, '%q')",
964 13 : GetSrsName(*poSRS), nSRSId, "NONE", nSRSId,
965 26 : pszWKT1 ? pszWKT1.get() : "undefined");
966 : }
967 : }
968 :
969 : // Add new row to gpkg_spatial_ref_sys.
970 281 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
971 :
972 : // Free everything that was allocated.
973 281 : sqlite3_free(pszSQL);
974 :
975 281 : return nSRSId;
976 : }
977 :
978 : /************************************************************************/
979 : /* ~GDALGeoPackageDataset() */
980 : /************************************************************************/
981 :
982 5156 : GDALGeoPackageDataset::~GDALGeoPackageDataset()
983 : {
984 2578 : GDALGeoPackageDataset::Close();
985 5156 : }
986 :
987 : /************************************************************************/
988 : /* Close() */
989 : /************************************************************************/
990 :
991 4322 : CPLErr GDALGeoPackageDataset::Close()
992 : {
993 4322 : CPLErr eErr = CE_None;
994 4322 : if (nOpenFlags != OPEN_FLAGS_CLOSED)
995 : {
996 1519 : if (eAccess == GA_Update && m_poParentDS == nullptr &&
997 4097 : !m_osRasterTable.empty() && !m_bGeoTransformValid)
998 : {
999 3 : CPLError(CE_Failure, CPLE_AppDefined,
1000 : "Raster table %s not correctly initialized due to missing "
1001 : "call to SetGeoTransform()",
1002 : m_osRasterTable.c_str());
1003 : }
1004 :
1005 5147 : if (!IsMarkedSuppressOnClose() &&
1006 2569 : GDALGeoPackageDataset::FlushCache(true) != CE_None)
1007 : {
1008 7 : eErr = CE_Failure;
1009 : }
1010 :
1011 : // Destroy bands now since we don't want
1012 : // GDALGPKGMBTilesLikeRasterBand::FlushCache() to run after dataset
1013 : // destruction
1014 4395 : for (int i = 0; i < nBands; i++)
1015 1817 : delete papoBands[i];
1016 2578 : nBands = 0;
1017 2578 : CPLFree(papoBands);
1018 2578 : papoBands = nullptr;
1019 :
1020 : // Destroy overviews before cleaning m_hTempDB as they could still
1021 : // need it
1022 2578 : m_apoOverviewDS.clear();
1023 :
1024 2578 : if (m_poParentDS)
1025 : {
1026 325 : hDB = nullptr;
1027 : }
1028 :
1029 2578 : m_apoLayers.clear();
1030 :
1031 : std::map<int, OGRSpatialReference *>::iterator oIter =
1032 2578 : m_oMapSrsIdToSrs.begin();
1033 3741 : for (; oIter != m_oMapSrsIdToSrs.end(); ++oIter)
1034 : {
1035 1163 : OGRSpatialReference *poSRS = oIter->second;
1036 1163 : if (poSRS)
1037 711 : poSRS->Release();
1038 : }
1039 :
1040 2578 : if (!CloseDB())
1041 0 : eErr = CE_Failure;
1042 :
1043 2578 : if (OGRSQLiteBaseDataSource::Close() != CE_None)
1044 0 : eErr = CE_Failure;
1045 : }
1046 4322 : return eErr;
1047 : }
1048 :
1049 : /************************************************************************/
1050 : /* ICanIWriteBlock() */
1051 : /************************************************************************/
1052 :
1053 5696 : bool GDALGeoPackageDataset::ICanIWriteBlock()
1054 : {
1055 5696 : if (!GetUpdate())
1056 : {
1057 0 : CPLError(
1058 : CE_Failure, CPLE_NotSupported,
1059 : "IWriteBlock() not supported on dataset opened in read-only mode");
1060 0 : return false;
1061 : }
1062 :
1063 5696 : if (m_pabyCachedTiles == nullptr)
1064 : {
1065 0 : return false;
1066 : }
1067 :
1068 5696 : if (!m_bGeoTransformValid || m_nSRID == UNKNOWN_SRID)
1069 : {
1070 0 : CPLError(CE_Failure, CPLE_NotSupported,
1071 : "IWriteBlock() not supported if georeferencing not set");
1072 0 : return false;
1073 : }
1074 5696 : return true;
1075 : }
1076 :
1077 : /************************************************************************/
1078 : /* IRasterIO() */
1079 : /************************************************************************/
1080 :
1081 132 : CPLErr GDALGeoPackageDataset::IRasterIO(
1082 : GDALRWFlag eRWFlag, int nXOff, int nYOff, int nXSize, int nYSize,
1083 : void *pData, int nBufXSize, int nBufYSize, GDALDataType eBufType,
1084 : int nBandCount, BANDMAP_TYPE panBandMap, GSpacing nPixelSpace,
1085 : GSpacing nLineSpace, GSpacing nBandSpace, GDALRasterIOExtraArg *psExtraArg)
1086 :
1087 : {
1088 132 : CPLErr eErr = OGRSQLiteBaseDataSource::IRasterIO(
1089 : eRWFlag, nXOff, nYOff, nXSize, nYSize, pData, nBufXSize, nBufYSize,
1090 : eBufType, nBandCount, panBandMap, nPixelSpace, nLineSpace, nBandSpace,
1091 : psExtraArg);
1092 :
1093 : // If writing all bands, in non-shifted mode, flush all entirely written
1094 : // tiles This can avoid "stressing" the block cache with too many dirty
1095 : // blocks. Note: this logic would be useless with a per-dataset block cache.
1096 132 : if (eErr == CE_None && eRWFlag == GF_Write && nXSize == nBufXSize &&
1097 123 : nYSize == nBufYSize && nBandCount == nBands &&
1098 120 : m_nShiftXPixelsMod == 0 && m_nShiftYPixelsMod == 0)
1099 : {
1100 : auto poBand =
1101 116 : cpl::down_cast<GDALGPKGMBTilesLikeRasterBand *>(GetRasterBand(1));
1102 : int nBlockXSize, nBlockYSize;
1103 116 : poBand->GetBlockSize(&nBlockXSize, &nBlockYSize);
1104 116 : const int nBlockXStart = DIV_ROUND_UP(nXOff, nBlockXSize);
1105 116 : const int nBlockYStart = DIV_ROUND_UP(nYOff, nBlockYSize);
1106 116 : const int nBlockXEnd = (nXOff + nXSize) / nBlockXSize;
1107 116 : const int nBlockYEnd = (nYOff + nYSize) / nBlockYSize;
1108 270 : for (int nBlockY = nBlockXStart; nBlockY < nBlockYEnd; nBlockY++)
1109 : {
1110 4371 : for (int nBlockX = nBlockYStart; nBlockX < nBlockXEnd; nBlockX++)
1111 : {
1112 : GDALRasterBlock *poBlock =
1113 4217 : poBand->AccessibleTryGetLockedBlockRef(nBlockX, nBlockY);
1114 4217 : if (poBlock)
1115 : {
1116 : // GetDirty() should be true in most situation (otherwise
1117 : // it means the block cache is under extreme pressure!)
1118 4215 : if (poBlock->GetDirty())
1119 : {
1120 : // IWriteBlock() on one band will check the dirty state
1121 : // of the corresponding blocks in other bands, to decide
1122 : // if it can call WriteTile(), so we have only to do
1123 : // that on one of the bands
1124 4215 : if (poBlock->Write() != CE_None)
1125 250 : eErr = CE_Failure;
1126 : }
1127 4215 : poBlock->DropLock();
1128 : }
1129 : }
1130 : }
1131 : }
1132 :
1133 132 : return eErr;
1134 : }
1135 :
1136 : /************************************************************************/
1137 : /* GetOGRTableLimit() */
1138 : /************************************************************************/
1139 :
1140 4200 : static int GetOGRTableLimit()
1141 : {
1142 4200 : return atoi(CPLGetConfigOption("OGR_TABLE_LIMIT", "10000"));
1143 : }
1144 :
1145 : /************************************************************************/
1146 : /* GetNameTypeMapFromSQliteMaster() */
1147 : /************************************************************************/
1148 :
1149 : const std::map<CPLString, CPLString> &
1150 1301 : GDALGeoPackageDataset::GetNameTypeMapFromSQliteMaster()
1151 : {
1152 1301 : if (!m_oMapNameToType.empty())
1153 345 : return m_oMapNameToType;
1154 :
1155 : CPLString osSQL(
1156 : "SELECT name, type FROM sqlite_master WHERE "
1157 : "type IN ('view', 'table') OR "
1158 1912 : "(name LIKE 'trigger_%_feature_count_%' AND type = 'trigger')");
1159 956 : const int nTableLimit = GetOGRTableLimit();
1160 956 : if (nTableLimit > 0)
1161 : {
1162 956 : osSQL += " LIMIT ";
1163 956 : osSQL += CPLSPrintf("%d", 1 + 3 * nTableLimit);
1164 : }
1165 :
1166 956 : auto oResult = SQLQuery(hDB, osSQL);
1167 956 : if (oResult)
1168 : {
1169 15887 : for (int i = 0; i < oResult->RowCount(); i++)
1170 : {
1171 14931 : const char *pszName = oResult->GetValue(0, i);
1172 14931 : const char *pszType = oResult->GetValue(1, i);
1173 14931 : m_oMapNameToType[CPLString(pszName).toupper()] = pszType;
1174 : }
1175 : }
1176 :
1177 956 : return m_oMapNameToType;
1178 : }
1179 :
1180 : /************************************************************************/
1181 : /* RemoveTableFromSQLiteMasterCache() */
1182 : /************************************************************************/
1183 :
1184 56 : void GDALGeoPackageDataset::RemoveTableFromSQLiteMasterCache(
1185 : const char *pszTableName)
1186 : {
1187 56 : m_oMapNameToType.erase(CPLString(pszTableName).toupper());
1188 56 : }
1189 :
1190 : /************************************************************************/
1191 : /* GetUnknownExtensionsTableSpecific() */
1192 : /************************************************************************/
1193 :
1194 : const std::map<CPLString, std::vector<GPKGExtensionDesc>> &
1195 912 : GDALGeoPackageDataset::GetUnknownExtensionsTableSpecific()
1196 : {
1197 912 : if (m_bMapTableToExtensionsBuilt)
1198 92 : return m_oMapTableToExtensions;
1199 820 : m_bMapTableToExtensionsBuilt = true;
1200 :
1201 820 : if (!HasExtensionsTable())
1202 51 : return m_oMapTableToExtensions;
1203 :
1204 : CPLString osSQL(
1205 : "SELECT table_name, extension_name, definition, scope "
1206 : "FROM gpkg_extensions WHERE "
1207 : "table_name IS NOT NULL "
1208 : "AND extension_name IS NOT NULL "
1209 : "AND definition IS NOT NULL "
1210 : "AND scope IS NOT NULL "
1211 : "AND extension_name NOT IN ('gpkg_geom_CIRCULARSTRING', "
1212 : "'gpkg_geom_COMPOUNDCURVE', 'gpkg_geom_CURVEPOLYGON', "
1213 : "'gpkg_geom_MULTICURVE', "
1214 : "'gpkg_geom_MULTISURFACE', 'gpkg_geom_CURVE', 'gpkg_geom_SURFACE', "
1215 : "'gpkg_geom_POLYHEDRALSURFACE', 'gpkg_geom_TIN', 'gpkg_geom_TRIANGLE', "
1216 : "'gpkg_rtree_index', 'gpkg_geometry_type_trigger', "
1217 : "'gpkg_srs_id_trigger', "
1218 : "'gpkg_crs_wkt', 'gpkg_crs_wkt_1_1', 'gpkg_schema', "
1219 : "'gpkg_related_tables', 'related_tables'"
1220 : #ifdef HAVE_SPATIALITE
1221 : ", 'gdal_spatialite_computed_geom_column'"
1222 : #endif
1223 1538 : ")");
1224 769 : const int nTableLimit = GetOGRTableLimit();
1225 769 : if (nTableLimit > 0)
1226 : {
1227 769 : osSQL += " LIMIT ";
1228 769 : osSQL += CPLSPrintf("%d", 1 + 10 * nTableLimit);
1229 : }
1230 :
1231 769 : auto oResult = SQLQuery(hDB, osSQL);
1232 769 : if (oResult)
1233 : {
1234 1428 : for (int i = 0; i < oResult->RowCount(); i++)
1235 : {
1236 659 : const char *pszTableName = oResult->GetValue(0, i);
1237 659 : const char *pszExtensionName = oResult->GetValue(1, i);
1238 659 : const char *pszDefinition = oResult->GetValue(2, i);
1239 659 : const char *pszScope = oResult->GetValue(3, i);
1240 659 : if (pszTableName && pszExtensionName && pszDefinition && pszScope)
1241 : {
1242 659 : GPKGExtensionDesc oDesc;
1243 659 : oDesc.osExtensionName = pszExtensionName;
1244 659 : oDesc.osDefinition = pszDefinition;
1245 659 : oDesc.osScope = pszScope;
1246 1318 : m_oMapTableToExtensions[CPLString(pszTableName).toupper()]
1247 659 : .push_back(std::move(oDesc));
1248 : }
1249 : }
1250 : }
1251 :
1252 769 : return m_oMapTableToExtensions;
1253 : }
1254 :
1255 : /************************************************************************/
1256 : /* GetContents() */
1257 : /************************************************************************/
1258 :
1259 : const std::map<CPLString, GPKGContentsDesc> &
1260 894 : GDALGeoPackageDataset::GetContents()
1261 : {
1262 894 : if (m_bMapTableToContentsBuilt)
1263 76 : return m_oMapTableToContents;
1264 818 : m_bMapTableToContentsBuilt = true;
1265 :
1266 : CPLString osSQL("SELECT table_name, data_type, identifier, "
1267 : "description, min_x, min_y, max_x, max_y "
1268 1636 : "FROM gpkg_contents");
1269 818 : const int nTableLimit = GetOGRTableLimit();
1270 818 : if (nTableLimit > 0)
1271 : {
1272 818 : osSQL += " LIMIT ";
1273 818 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1274 : }
1275 :
1276 818 : auto oResult = SQLQuery(hDB, osSQL);
1277 818 : if (oResult)
1278 : {
1279 1757 : for (int i = 0; i < oResult->RowCount(); i++)
1280 : {
1281 939 : const char *pszTableName = oResult->GetValue(0, i);
1282 939 : if (pszTableName == nullptr)
1283 0 : continue;
1284 939 : const char *pszDataType = oResult->GetValue(1, i);
1285 939 : const char *pszIdentifier = oResult->GetValue(2, i);
1286 939 : const char *pszDescription = oResult->GetValue(3, i);
1287 939 : const char *pszMinX = oResult->GetValue(4, i);
1288 939 : const char *pszMinY = oResult->GetValue(5, i);
1289 939 : const char *pszMaxX = oResult->GetValue(6, i);
1290 939 : const char *pszMaxY = oResult->GetValue(7, i);
1291 939 : GPKGContentsDesc oDesc;
1292 939 : if (pszDataType)
1293 939 : oDesc.osDataType = pszDataType;
1294 939 : if (pszIdentifier)
1295 939 : oDesc.osIdentifier = pszIdentifier;
1296 939 : if (pszDescription)
1297 938 : oDesc.osDescription = pszDescription;
1298 939 : if (pszMinX)
1299 627 : oDesc.osMinX = pszMinX;
1300 939 : if (pszMinY)
1301 627 : oDesc.osMinY = pszMinY;
1302 939 : if (pszMaxX)
1303 627 : oDesc.osMaxX = pszMaxX;
1304 939 : if (pszMaxY)
1305 627 : oDesc.osMaxY = pszMaxY;
1306 1878 : m_oMapTableToContents[CPLString(pszTableName).toupper()] =
1307 1878 : std::move(oDesc);
1308 : }
1309 : }
1310 :
1311 818 : return m_oMapTableToContents;
1312 : }
1313 :
1314 : /************************************************************************/
1315 : /* Open() */
1316 : /************************************************************************/
1317 :
1318 1276 : int GDALGeoPackageDataset::Open(GDALOpenInfo *poOpenInfo,
1319 : const std::string &osFilenameInZip)
1320 : {
1321 1276 : m_osFilenameInZip = osFilenameInZip;
1322 1276 : CPLAssert(m_apoLayers.empty());
1323 1276 : CPLAssert(hDB == nullptr);
1324 :
1325 1276 : SetDescription(poOpenInfo->pszFilename);
1326 2552 : CPLString osFilename(poOpenInfo->pszFilename);
1327 2552 : CPLString osSubdatasetTableName;
1328 : GByte abyHeaderLetMeHerePlease[100];
1329 1276 : const GByte *pabyHeader = poOpenInfo->pabyHeader;
1330 1276 : if (STARTS_WITH_CI(poOpenInfo->pszFilename, "GPKG:"))
1331 : {
1332 247 : char **papszTokens = CSLTokenizeString2(poOpenInfo->pszFilename, ":",
1333 : CSLT_HONOURSTRINGS);
1334 247 : int nCount = CSLCount(papszTokens);
1335 247 : if (nCount < 2)
1336 : {
1337 0 : CSLDestroy(papszTokens);
1338 0 : return FALSE;
1339 : }
1340 :
1341 247 : if (nCount <= 3)
1342 : {
1343 245 : osFilename = papszTokens[1];
1344 : }
1345 : /* GPKG:C:\BLA.GPKG:foo */
1346 2 : else if (nCount == 4 && strlen(papszTokens[1]) == 1 &&
1347 2 : (papszTokens[2][0] == '/' || papszTokens[2][0] == '\\'))
1348 : {
1349 2 : osFilename = CPLString(papszTokens[1]) + ":" + papszTokens[2];
1350 : }
1351 : // GPKG:/vsicurl/http[s]://[user:passwd@]example.com[:8080]/foo.gpkg:bar
1352 0 : else if (/*nCount >= 4 && */
1353 0 : (EQUAL(papszTokens[1], "/vsicurl/http") ||
1354 0 : EQUAL(papszTokens[1], "/vsicurl/https")))
1355 : {
1356 0 : osFilename = CPLString(papszTokens[1]);
1357 0 : for (int i = 2; i < nCount - 1; i++)
1358 : {
1359 0 : osFilename += ':';
1360 0 : osFilename += papszTokens[i];
1361 : }
1362 : }
1363 247 : if (nCount >= 3)
1364 14 : osSubdatasetTableName = papszTokens[nCount - 1];
1365 :
1366 247 : CSLDestroy(papszTokens);
1367 247 : VSILFILE *fp = VSIFOpenL(osFilename, "rb");
1368 247 : if (fp != nullptr)
1369 : {
1370 247 : VSIFReadL(abyHeaderLetMeHerePlease, 1, 100, fp);
1371 247 : VSIFCloseL(fp);
1372 : }
1373 247 : pabyHeader = abyHeaderLetMeHerePlease;
1374 : }
1375 1029 : else if (poOpenInfo->pabyHeader &&
1376 1029 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1377 : "SQLite format 3"))
1378 : {
1379 1022 : m_bCallUndeclareFileNotToOpen = true;
1380 1022 : GDALOpenInfoDeclareFileNotToOpen(osFilename, poOpenInfo->pabyHeader,
1381 : poOpenInfo->nHeaderBytes);
1382 : }
1383 :
1384 1276 : eAccess = poOpenInfo->eAccess;
1385 1276 : if (!m_osFilenameInZip.empty())
1386 : {
1387 2 : m_pszFilename = CPLStrdup(CPLSPrintf(
1388 : "/vsizip/{%s}/%s", osFilename.c_str(), m_osFilenameInZip.c_str()));
1389 : }
1390 : else
1391 : {
1392 1274 : m_pszFilename = CPLStrdup(osFilename);
1393 : }
1394 :
1395 1276 : if (poOpenInfo->papszOpenOptions)
1396 : {
1397 100 : CSLDestroy(papszOpenOptions);
1398 100 : papszOpenOptions = CSLDuplicate(poOpenInfo->papszOpenOptions);
1399 : }
1400 :
1401 : #ifdef ENABLE_SQL_GPKG_FORMAT
1402 1276 : if (poOpenInfo->pabyHeader &&
1403 1029 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1404 5 : "-- SQL GPKG") &&
1405 5 : poOpenInfo->fpL != nullptr)
1406 : {
1407 5 : if (sqlite3_open_v2(":memory:", &hDB, SQLITE_OPEN_READWRITE, nullptr) !=
1408 : SQLITE_OK)
1409 : {
1410 0 : return FALSE;
1411 : }
1412 :
1413 5 : InstallSQLFunctions();
1414 :
1415 : // Ingest the lines of the dump
1416 5 : VSIFSeekL(poOpenInfo->fpL, 0, SEEK_SET);
1417 : const char *pszLine;
1418 76 : while ((pszLine = CPLReadLineL(poOpenInfo->fpL)) != nullptr)
1419 : {
1420 71 : if (STARTS_WITH(pszLine, "--"))
1421 5 : continue;
1422 :
1423 66 : if (!SQLCheckLineIsSafe(pszLine))
1424 0 : return false;
1425 :
1426 66 : char *pszErrMsg = nullptr;
1427 66 : if (sqlite3_exec(hDB, pszLine, nullptr, nullptr, &pszErrMsg) !=
1428 : SQLITE_OK)
1429 : {
1430 0 : if (pszErrMsg)
1431 0 : CPLDebug("SQLITE", "Error %s", pszErrMsg);
1432 : }
1433 66 : sqlite3_free(pszErrMsg);
1434 5 : }
1435 : }
1436 :
1437 1271 : else if (pabyHeader != nullptr)
1438 : #endif
1439 : {
1440 1271 : if (poOpenInfo->fpL)
1441 : {
1442 : // See above comment about -wal locking for the importance of
1443 : // closing that file, prior to calling sqlite3_open()
1444 924 : VSIFCloseL(poOpenInfo->fpL);
1445 924 : poOpenInfo->fpL = nullptr;
1446 : }
1447 :
1448 : /* See if we can open the SQLite database */
1449 1271 : if (!OpenOrCreateDB(GetUpdate() ? SQLITE_OPEN_READWRITE
1450 : : SQLITE_OPEN_READONLY))
1451 2 : return FALSE;
1452 :
1453 1269 : memcpy(&m_nApplicationId, pabyHeader + knApplicationIdPos, 4);
1454 1269 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
1455 1269 : memcpy(&m_nUserVersion, pabyHeader + knUserVersionPos, 4);
1456 1269 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
1457 1269 : if (m_nApplicationId == GP10_APPLICATION_ID)
1458 : {
1459 7 : CPLDebug("GPKG", "GeoPackage v1.0");
1460 : }
1461 1262 : else if (m_nApplicationId == GP11_APPLICATION_ID)
1462 : {
1463 2 : CPLDebug("GPKG", "GeoPackage v1.1");
1464 : }
1465 1260 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
1466 1256 : m_nUserVersion >= GPKG_1_2_VERSION)
1467 : {
1468 1254 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
1469 1254 : (m_nUserVersion % 10000) / 100, m_nUserVersion % 100);
1470 : }
1471 : }
1472 :
1473 : /* Requirement 6: The SQLite PRAGMA integrity_check SQL command SHALL return
1474 : * “ok” */
1475 : /* http://opengis.github.io/geopackage/#_file_integrity */
1476 : /* Disable integrity check by default, since it is expensive on big files */
1477 1274 : if (CPLTestBool(CPLGetConfigOption("OGR_GPKG_INTEGRITY_CHECK", "NO")) &&
1478 0 : OGRERR_NONE != PragmaCheck("integrity_check", "ok", 1))
1479 : {
1480 0 : CPLError(CE_Failure, CPLE_AppDefined,
1481 : "pragma integrity_check on '%s' failed", m_pszFilename);
1482 0 : return FALSE;
1483 : }
1484 :
1485 : /* Requirement 7: The SQLite PRAGMA foreign_key_check() SQL with no */
1486 : /* parameter value SHALL return an empty result set */
1487 : /* http://opengis.github.io/geopackage/#_file_integrity */
1488 : /* Disable the check by default, since it is to corrupt databases, and */
1489 : /* that causes issues to downstream software that can't open them. */
1490 1274 : if (CPLTestBool(CPLGetConfigOption("OGR_GPKG_FOREIGN_KEY_CHECK", "NO")) &&
1491 0 : OGRERR_NONE != PragmaCheck("foreign_key_check", "", 0))
1492 : {
1493 0 : CPLError(CE_Failure, CPLE_AppDefined,
1494 : "pragma foreign_key_check on '%s' failed.", m_pszFilename);
1495 0 : return FALSE;
1496 : }
1497 :
1498 : /* Check for requirement metadata tables */
1499 : /* Requirement 10: gpkg_spatial_ref_sys must exist */
1500 : /* Requirement 13: gpkg_contents must exist */
1501 1274 : if (SQLGetInteger(hDB,
1502 : "SELECT COUNT(*) FROM sqlite_master WHERE "
1503 : "name IN ('gpkg_spatial_ref_sys', 'gpkg_contents') AND "
1504 : "type IN ('table', 'view')",
1505 1274 : nullptr) != 2)
1506 : {
1507 0 : CPLError(CE_Failure, CPLE_AppDefined,
1508 : "At least one of the required GeoPackage tables, "
1509 : "gpkg_spatial_ref_sys or gpkg_contents, is missing");
1510 0 : return FALSE;
1511 : }
1512 :
1513 1274 : DetectSpatialRefSysColumns();
1514 :
1515 : #ifdef ENABLE_GPKG_OGR_CONTENTS
1516 1274 : if (SQLGetInteger(hDB,
1517 : "SELECT 1 FROM sqlite_master WHERE "
1518 : "name = 'gpkg_ogr_contents' AND type = 'table'",
1519 1274 : nullptr) == 1)
1520 : {
1521 1266 : m_bHasGPKGOGRContents = true;
1522 : }
1523 : #endif
1524 :
1525 1274 : CheckUnknownExtensions();
1526 :
1527 1274 : int bRet = FALSE;
1528 1274 : bool bHasGPKGExtRelations = false;
1529 1274 : if (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR)
1530 : {
1531 1087 : m_bHasGPKGGeometryColumns =
1532 1087 : SQLGetInteger(hDB,
1533 : "SELECT 1 FROM sqlite_master WHERE "
1534 : "name = 'gpkg_geometry_columns' AND "
1535 : "type IN ('table', 'view')",
1536 1087 : nullptr) == 1;
1537 1087 : bHasGPKGExtRelations = HasGpkgextRelationsTable();
1538 : }
1539 1274 : if (m_bHasGPKGGeometryColumns)
1540 : {
1541 : /* Load layer definitions for all tables in gpkg_contents &
1542 : * gpkg_geometry_columns */
1543 : /* and non-spatial tables as well */
1544 : std::string osSQL =
1545 : "SELECT c.table_name, c.identifier, 1 as is_spatial, "
1546 : "g.column_name, g.geometry_type_name, g.z, g.m, c.min_x, c.min_y, "
1547 : "c.max_x, c.max_y, 1 AS is_in_gpkg_contents, "
1548 : "(SELECT type FROM sqlite_master WHERE lower(name) = "
1549 : "lower(c.table_name) AND type IN ('table', 'view')) AS object_type "
1550 : " FROM gpkg_geometry_columns g "
1551 : " JOIN gpkg_contents c ON (g.table_name = c.table_name)"
1552 : " WHERE "
1553 : " c.table_name <> 'ogr_empty_table' AND"
1554 : " c.data_type = 'features' "
1555 : // aspatial: Was the only method available in OGR 2.0 and 2.1
1556 : // attributes: GPKG 1.2 or later
1557 : "UNION ALL "
1558 : "SELECT table_name, identifier, 0 as is_spatial, NULL, NULL, 0, 0, "
1559 : "0 AS xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 1 AS "
1560 : "is_in_gpkg_contents, "
1561 : "(SELECT type FROM sqlite_master WHERE lower(name) = "
1562 : "lower(table_name) AND type IN ('table', 'view')) AS object_type "
1563 : " FROM gpkg_contents"
1564 1086 : " WHERE data_type IN ('aspatial', 'attributes') ";
1565 :
1566 2172 : const char *pszListAllTables = CSLFetchNameValueDef(
1567 1086 : poOpenInfo->papszOpenOptions, "LIST_ALL_TABLES", "AUTO");
1568 1086 : bool bHasASpatialOrAttributes = HasGDALAspatialExtension();
1569 1086 : if (!bHasASpatialOrAttributes)
1570 : {
1571 : auto oResultTable =
1572 : SQLQuery(hDB, "SELECT * FROM gpkg_contents WHERE "
1573 1085 : "data_type = 'attributes' LIMIT 1");
1574 1085 : bHasASpatialOrAttributes =
1575 1085 : (oResultTable && oResultTable->RowCount() == 1);
1576 : }
1577 1086 : if (bHasGPKGExtRelations)
1578 : {
1579 : osSQL += "UNION ALL "
1580 : "SELECT mapping_table_name, mapping_table_name, 0 as "
1581 : "is_spatial, NULL, NULL, 0, 0, 0 AS "
1582 : "xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 0 AS "
1583 : "is_in_gpkg_contents, 'table' AS object_type "
1584 : "FROM gpkgext_relations WHERE "
1585 : "lower(mapping_table_name) NOT IN (SELECT "
1586 : "lower(table_name) FROM gpkg_contents) AND "
1587 : "EXISTS (SELECT 1 FROM sqlite_master WHERE "
1588 : "type IN ('table', 'view') AND "
1589 18 : "lower(name) = lower(mapping_table_name))";
1590 : }
1591 1086 : if (EQUAL(pszListAllTables, "YES") ||
1592 1085 : (!bHasASpatialOrAttributes && EQUAL(pszListAllTables, "AUTO")))
1593 : {
1594 : // vgpkg_ is Spatialite virtual table
1595 : osSQL +=
1596 : "UNION ALL "
1597 : "SELECT name, name, 0 as is_spatial, NULL, NULL, 0, 0, 0 AS "
1598 : "xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 0 AS "
1599 : "is_in_gpkg_contents, type AS object_type "
1600 : "FROM sqlite_master WHERE type IN ('table', 'view') "
1601 : "AND name NOT LIKE 'gpkg_%' "
1602 : "AND name NOT LIKE 'vgpkg_%' "
1603 : "AND name NOT LIKE 'rtree_%' AND name NOT LIKE 'sqlite_%' "
1604 : // Avoid reading those views from simple_sewer_features.gpkg
1605 : "AND name NOT IN ('st_spatial_ref_sys', 'spatial_ref_sys', "
1606 : "'st_geometry_columns', 'geometry_columns') "
1607 : "AND lower(name) NOT IN (SELECT lower(table_name) FROM "
1608 1017 : "gpkg_contents)";
1609 1017 : if (bHasGPKGExtRelations)
1610 : {
1611 : osSQL += " AND lower(name) NOT IN (SELECT "
1612 : "lower(mapping_table_name) FROM "
1613 13 : "gpkgext_relations)";
1614 : }
1615 : }
1616 1086 : const int nTableLimit = GetOGRTableLimit();
1617 1086 : if (nTableLimit > 0)
1618 : {
1619 1086 : osSQL += " LIMIT ";
1620 1086 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1621 : }
1622 :
1623 1086 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1624 1086 : if (!oResult)
1625 : {
1626 0 : return FALSE;
1627 : }
1628 :
1629 1086 : if (nTableLimit > 0 && oResult->RowCount() > nTableLimit)
1630 : {
1631 1 : CPLError(CE_Warning, CPLE_AppDefined,
1632 : "File has more than %d vector tables. "
1633 : "Limiting to first %d (can be overridden with "
1634 : "OGR_TABLE_LIMIT config option)",
1635 : nTableLimit, nTableLimit);
1636 1 : oResult->LimitRowCount(nTableLimit);
1637 : }
1638 :
1639 1086 : if (oResult->RowCount() > 0)
1640 : {
1641 969 : bRet = TRUE;
1642 :
1643 969 : m_apoLayers.reserve(oResult->RowCount());
1644 :
1645 1938 : std::map<std::string, int> oMapTableRefCount;
1646 4137 : for (int i = 0; i < oResult->RowCount(); i++)
1647 : {
1648 3168 : const char *pszTableName = oResult->GetValue(0, i);
1649 3168 : if (pszTableName == nullptr)
1650 0 : continue;
1651 3168 : if (++oMapTableRefCount[pszTableName] == 2)
1652 : {
1653 : // This should normally not happen if all constraints are
1654 : // properly set
1655 2 : CPLError(CE_Warning, CPLE_AppDefined,
1656 : "Table %s appearing several times in "
1657 : "gpkg_contents and/or gpkg_geometry_columns",
1658 : pszTableName);
1659 : }
1660 : }
1661 :
1662 1938 : std::set<std::string> oExistingLayers;
1663 4137 : for (int i = 0; i < oResult->RowCount(); i++)
1664 : {
1665 3168 : const char *pszTableName = oResult->GetValue(0, i);
1666 3168 : if (pszTableName == nullptr)
1667 2 : continue;
1668 : const bool bTableHasSeveralGeomColumns =
1669 3168 : oMapTableRefCount[pszTableName] > 1;
1670 3168 : bool bIsSpatial = CPL_TO_BOOL(oResult->GetValueAsInteger(2, i));
1671 3168 : const char *pszGeomColName = oResult->GetValue(3, i);
1672 3168 : const char *pszGeomType = oResult->GetValue(4, i);
1673 3168 : const char *pszZ = oResult->GetValue(5, i);
1674 3168 : const char *pszM = oResult->GetValue(6, i);
1675 : bool bIsInGpkgContents =
1676 3168 : CPL_TO_BOOL(oResult->GetValueAsInteger(11, i));
1677 3168 : if (!bIsInGpkgContents)
1678 44 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound = true;
1679 3168 : const char *pszObjectType = oResult->GetValue(12, i);
1680 3168 : if (pszObjectType == nullptr ||
1681 3167 : !(EQUAL(pszObjectType, "table") ||
1682 21 : EQUAL(pszObjectType, "view")))
1683 : {
1684 1 : CPLError(CE_Warning, CPLE_AppDefined,
1685 : "Table/view %s is referenced in gpkg_contents, "
1686 : "but does not exist",
1687 : pszTableName);
1688 1 : continue;
1689 : }
1690 : // Non-standard and undocumented behavior:
1691 : // if the same table appears to have several geometry columns,
1692 : // handle it for now as multiple layers named
1693 : // "table_name (geom_col_name)"
1694 : // The way we handle that might change in the future (e.g
1695 : // could be a single layer with multiple geometry columns)
1696 : std::string osLayerNameWithGeomColName =
1697 6317 : pszGeomColName ? std::string(pszTableName) + " (" +
1698 : pszGeomColName + ')'
1699 6334 : : std::string(pszTableName);
1700 3167 : if (cpl::contains(oExistingLayers, osLayerNameWithGeomColName))
1701 1 : continue;
1702 3166 : oExistingLayers.insert(osLayerNameWithGeomColName);
1703 : const std::string osLayerName =
1704 : bTableHasSeveralGeomColumns
1705 3 : ? std::move(osLayerNameWithGeomColName)
1706 6335 : : std::string(pszTableName);
1707 : auto poLayer = std::make_unique<OGRGeoPackageTableLayer>(
1708 6332 : this, osLayerName.c_str());
1709 3166 : bool bHasZ = pszZ && atoi(pszZ) > 0;
1710 3166 : bool bHasM = pszM && atoi(pszM) > 0;
1711 3166 : if (pszGeomType && EQUAL(pszGeomType, "GEOMETRY"))
1712 : {
1713 628 : if (pszZ && atoi(pszZ) == 2)
1714 7 : bHasZ = false;
1715 628 : if (pszM && atoi(pszM) == 2)
1716 6 : bHasM = false;
1717 : }
1718 3166 : poLayer->SetOpeningParameters(
1719 : pszTableName, pszObjectType, bIsInGpkgContents, bIsSpatial,
1720 : pszGeomColName, pszGeomType, bHasZ, bHasM);
1721 3166 : m_apoLayers.push_back(std::move(poLayer));
1722 : }
1723 : }
1724 : }
1725 :
1726 1274 : bool bHasTileMatrixSet = false;
1727 1274 : if (poOpenInfo->nOpenFlags & GDAL_OF_RASTER)
1728 : {
1729 573 : bHasTileMatrixSet = SQLGetInteger(hDB,
1730 : "SELECT 1 FROM sqlite_master WHERE "
1731 : "name = 'gpkg_tile_matrix_set' AND "
1732 : "type IN ('table', 'view')",
1733 : nullptr) == 1;
1734 : }
1735 1274 : if (bHasTileMatrixSet)
1736 : {
1737 : std::string osSQL =
1738 : "SELECT c.table_name, c.identifier, c.description, c.srs_id, "
1739 : "c.min_x, c.min_y, c.max_x, c.max_y, "
1740 : "tms.min_x, tms.min_y, tms.max_x, tms.max_y, c.data_type "
1741 : "FROM gpkg_contents c JOIN gpkg_tile_matrix_set tms ON "
1742 : "c.table_name = tms.table_name WHERE "
1743 571 : "data_type IN ('tiles', '2d-gridded-coverage')";
1744 571 : if (CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE"))
1745 : osSubdatasetTableName =
1746 2 : CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE");
1747 571 : if (!osSubdatasetTableName.empty())
1748 : {
1749 16 : char *pszTmp = sqlite3_mprintf(" AND c.table_name='%q'",
1750 : osSubdatasetTableName.c_str());
1751 16 : osSQL += pszTmp;
1752 16 : sqlite3_free(pszTmp);
1753 16 : SetPhysicalFilename(osFilename.c_str());
1754 : }
1755 571 : const int nTableLimit = GetOGRTableLimit();
1756 571 : if (nTableLimit > 0)
1757 : {
1758 571 : osSQL += " LIMIT ";
1759 571 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1760 : }
1761 :
1762 571 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1763 571 : if (!oResult)
1764 : {
1765 0 : return FALSE;
1766 : }
1767 :
1768 571 : if (oResult->RowCount() == 0 && !osSubdatasetTableName.empty())
1769 : {
1770 1 : CPLError(CE_Failure, CPLE_AppDefined,
1771 : "Cannot find table '%s' in GeoPackage dataset",
1772 : osSubdatasetTableName.c_str());
1773 : }
1774 570 : else if (oResult->RowCount() == 1)
1775 : {
1776 274 : const char *pszTableName = oResult->GetValue(0, 0);
1777 274 : const char *pszIdentifier = oResult->GetValue(1, 0);
1778 274 : const char *pszDescription = oResult->GetValue(2, 0);
1779 274 : const char *pszSRSId = oResult->GetValue(3, 0);
1780 274 : const char *pszMinX = oResult->GetValue(4, 0);
1781 274 : const char *pszMinY = oResult->GetValue(5, 0);
1782 274 : const char *pszMaxX = oResult->GetValue(6, 0);
1783 274 : const char *pszMaxY = oResult->GetValue(7, 0);
1784 274 : const char *pszTMSMinX = oResult->GetValue(8, 0);
1785 274 : const char *pszTMSMinY = oResult->GetValue(9, 0);
1786 274 : const char *pszTMSMaxX = oResult->GetValue(10, 0);
1787 274 : const char *pszTMSMaxY = oResult->GetValue(11, 0);
1788 274 : const char *pszDataType = oResult->GetValue(12, 0);
1789 274 : if (pszTableName && pszTMSMinX && pszTMSMinY && pszTMSMaxX &&
1790 : pszTMSMaxY)
1791 : {
1792 548 : bRet = OpenRaster(
1793 : pszTableName, pszIdentifier, pszDescription,
1794 274 : pszSRSId ? atoi(pszSRSId) : 0, CPLAtof(pszTMSMinX),
1795 : CPLAtof(pszTMSMinY), CPLAtof(pszTMSMaxX),
1796 : CPLAtof(pszTMSMaxY), pszMinX, pszMinY, pszMaxX, pszMaxY,
1797 274 : EQUAL(pszDataType, "tiles"), poOpenInfo->papszOpenOptions);
1798 : }
1799 : }
1800 296 : else if (oResult->RowCount() >= 1)
1801 : {
1802 5 : bRet = TRUE;
1803 :
1804 5 : if (nTableLimit > 0 && oResult->RowCount() > nTableLimit)
1805 : {
1806 1 : CPLError(CE_Warning, CPLE_AppDefined,
1807 : "File has more than %d raster tables. "
1808 : "Limiting to first %d (can be overridden with "
1809 : "OGR_TABLE_LIMIT config option)",
1810 : nTableLimit, nTableLimit);
1811 1 : oResult->LimitRowCount(nTableLimit);
1812 : }
1813 :
1814 5 : int nSDSCount = 0;
1815 2013 : for (int i = 0; i < oResult->RowCount(); i++)
1816 : {
1817 2008 : const char *pszTableName = oResult->GetValue(0, i);
1818 2008 : const char *pszIdentifier = oResult->GetValue(1, i);
1819 2008 : if (pszTableName == nullptr)
1820 0 : continue;
1821 : m_aosSubDatasets.AddNameValue(
1822 : CPLSPrintf("SUBDATASET_%d_NAME", nSDSCount + 1),
1823 2008 : CPLSPrintf("GPKG:%s:%s", m_pszFilename, pszTableName));
1824 : m_aosSubDatasets.AddNameValue(
1825 : CPLSPrintf("SUBDATASET_%d_DESC", nSDSCount + 1),
1826 : pszIdentifier
1827 2008 : ? CPLSPrintf("%s - %s", pszTableName, pszIdentifier)
1828 4016 : : pszTableName);
1829 2008 : nSDSCount++;
1830 : }
1831 : }
1832 : }
1833 :
1834 1274 : if (!bRet && (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR))
1835 : {
1836 33 : if ((poOpenInfo->nOpenFlags & GDAL_OF_UPDATE))
1837 : {
1838 22 : bRet = TRUE;
1839 : }
1840 : else
1841 : {
1842 11 : CPLDebug("GPKG",
1843 : "This GeoPackage has no vector content and is opened "
1844 : "in read-only mode. If you open it in update mode, "
1845 : "opening will be successful.");
1846 : }
1847 : }
1848 :
1849 1274 : if (eAccess == GA_Update)
1850 : {
1851 259 : FixupWrongRTreeTrigger();
1852 259 : FixupWrongMedataReferenceColumnNameUpdate();
1853 : }
1854 :
1855 1274 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
1856 :
1857 1274 : return bRet;
1858 : }
1859 :
1860 : /************************************************************************/
1861 : /* DetectSpatialRefSysColumns() */
1862 : /************************************************************************/
1863 :
1864 1284 : void GDALGeoPackageDataset::DetectSpatialRefSysColumns()
1865 : {
1866 : // Detect definition_12_063 column
1867 : {
1868 1284 : sqlite3_stmt *hSQLStmt = nullptr;
1869 1284 : int rc = sqlite3_prepare_v2(
1870 : hDB, "SELECT definition_12_063 FROM gpkg_spatial_ref_sys ", -1,
1871 : &hSQLStmt, nullptr);
1872 1284 : if (rc == SQLITE_OK)
1873 : {
1874 85 : m_bHasDefinition12_063 = true;
1875 85 : sqlite3_finalize(hSQLStmt);
1876 : }
1877 : }
1878 :
1879 : // Detect epoch column
1880 1284 : if (m_bHasDefinition12_063)
1881 : {
1882 85 : sqlite3_stmt *hSQLStmt = nullptr;
1883 : int rc =
1884 85 : sqlite3_prepare_v2(hDB, "SELECT epoch FROM gpkg_spatial_ref_sys ",
1885 : -1, &hSQLStmt, nullptr);
1886 85 : if (rc == SQLITE_OK)
1887 : {
1888 76 : m_bHasEpochColumn = true;
1889 76 : sqlite3_finalize(hSQLStmt);
1890 : }
1891 : }
1892 1284 : }
1893 :
1894 : /************************************************************************/
1895 : /* FixupWrongRTreeTrigger() */
1896 : /************************************************************************/
1897 :
1898 259 : void GDALGeoPackageDataset::FixupWrongRTreeTrigger()
1899 : {
1900 : auto oResult = SQLQuery(
1901 : hDB,
1902 : "SELECT name, sql FROM sqlite_master WHERE type = 'trigger' AND "
1903 259 : "NAME LIKE 'rtree_%_update3' AND sql LIKE '% AFTER UPDATE OF % ON %'");
1904 259 : if (oResult == nullptr)
1905 0 : return;
1906 259 : if (oResult->RowCount() > 0)
1907 : {
1908 1 : CPLDebug("GPKG", "Fixing incorrect trigger(s) related to RTree");
1909 : }
1910 261 : for (int i = 0; i < oResult->RowCount(); i++)
1911 : {
1912 2 : const char *pszName = oResult->GetValue(0, i);
1913 2 : const char *pszSQL = oResult->GetValue(1, i);
1914 2 : const char *pszPtr1 = strstr(pszSQL, " AFTER UPDATE OF ");
1915 2 : if (pszPtr1)
1916 : {
1917 2 : const char *pszPtr = pszPtr1 + strlen(" AFTER UPDATE OF ");
1918 : // Skipping over geometry column name
1919 4 : while (*pszPtr == ' ')
1920 2 : pszPtr++;
1921 2 : if (pszPtr[0] == '"' || pszPtr[0] == '\'')
1922 : {
1923 1 : char chStringDelim = pszPtr[0];
1924 1 : pszPtr++;
1925 9 : while (*pszPtr != '\0' && *pszPtr != chStringDelim)
1926 : {
1927 8 : if (*pszPtr == '\\' && pszPtr[1] == chStringDelim)
1928 0 : pszPtr += 2;
1929 : else
1930 8 : pszPtr += 1;
1931 : }
1932 1 : if (*pszPtr == chStringDelim)
1933 1 : pszPtr++;
1934 : }
1935 : else
1936 : {
1937 1 : pszPtr++;
1938 8 : while (*pszPtr != ' ')
1939 7 : pszPtr++;
1940 : }
1941 2 : if (*pszPtr == ' ')
1942 : {
1943 2 : SQLCommand(hDB,
1944 4 : ("DROP TRIGGER \"" + SQLEscapeName(pszName) + "\"")
1945 : .c_str());
1946 4 : CPLString newSQL;
1947 2 : newSQL.assign(pszSQL, pszPtr1 - pszSQL);
1948 2 : newSQL += " AFTER UPDATE";
1949 2 : newSQL += pszPtr;
1950 2 : SQLCommand(hDB, newSQL);
1951 : }
1952 : }
1953 : }
1954 : }
1955 :
1956 : /************************************************************************/
1957 : /* FixupWrongMedataReferenceColumnNameUpdate() */
1958 : /************************************************************************/
1959 :
1960 259 : void GDALGeoPackageDataset::FixupWrongMedataReferenceColumnNameUpdate()
1961 : {
1962 : // Fix wrong trigger that was generated by GDAL < 2.4.0
1963 : // See https://github.com/qgis/QGIS/issues/42768
1964 : auto oResult = SQLQuery(
1965 : hDB, "SELECT sql FROM sqlite_master WHERE type = 'trigger' AND "
1966 : "NAME ='gpkg_metadata_reference_column_name_update' AND "
1967 259 : "sql LIKE '%column_nameIS%'");
1968 259 : if (oResult == nullptr)
1969 0 : return;
1970 259 : if (oResult->RowCount() == 1)
1971 : {
1972 1 : CPLDebug("GPKG", "Fixing incorrect trigger "
1973 : "gpkg_metadata_reference_column_name_update");
1974 1 : const char *pszSQL = oResult->GetValue(0, 0);
1975 : std::string osNewSQL(
1976 3 : CPLString(pszSQL).replaceAll("column_nameIS", "column_name IS"));
1977 :
1978 1 : SQLCommand(hDB,
1979 : "DROP TRIGGER gpkg_metadata_reference_column_name_update");
1980 1 : SQLCommand(hDB, osNewSQL.c_str());
1981 : }
1982 : }
1983 :
1984 : /************************************************************************/
1985 : /* ClearCachedRelationships() */
1986 : /************************************************************************/
1987 :
1988 36 : void GDALGeoPackageDataset::ClearCachedRelationships()
1989 : {
1990 36 : m_bHasPopulatedRelationships = false;
1991 36 : m_osMapRelationships.clear();
1992 36 : }
1993 :
1994 : /************************************************************************/
1995 : /* LoadRelationships() */
1996 : /************************************************************************/
1997 :
1998 84 : void GDALGeoPackageDataset::LoadRelationships() const
1999 : {
2000 84 : m_osMapRelationships.clear();
2001 :
2002 84 : std::vector<std::string> oExcludedTables;
2003 84 : if (HasGpkgextRelationsTable())
2004 : {
2005 37 : LoadRelationshipsUsingRelatedTablesExtension();
2006 :
2007 89 : for (const auto &oRelationship : m_osMapRelationships)
2008 : {
2009 : oExcludedTables.emplace_back(
2010 52 : oRelationship.second->GetMappingTableName());
2011 : }
2012 : }
2013 :
2014 : // Also load relationships defined using foreign keys (i.e. one-to-many
2015 : // relationships). Here we must exclude any relationships defined from the
2016 : // related tables extension, we don't want them included twice.
2017 84 : LoadRelationshipsFromForeignKeys(oExcludedTables);
2018 84 : m_bHasPopulatedRelationships = true;
2019 84 : }
2020 :
2021 : /************************************************************************/
2022 : /* LoadRelationshipsUsingRelatedTablesExtension() */
2023 : /************************************************************************/
2024 :
2025 37 : void GDALGeoPackageDataset::LoadRelationshipsUsingRelatedTablesExtension() const
2026 : {
2027 37 : m_osMapRelationships.clear();
2028 :
2029 : auto oResultTable = SQLQuery(
2030 37 : hDB, "SELECT base_table_name, base_primary_column, "
2031 : "related_table_name, related_primary_column, relation_name, "
2032 74 : "mapping_table_name FROM gpkgext_relations");
2033 37 : if (oResultTable && oResultTable->RowCount() > 0)
2034 : {
2035 86 : for (int i = 0; i < oResultTable->RowCount(); i++)
2036 : {
2037 53 : const char *pszBaseTableName = oResultTable->GetValue(0, i);
2038 53 : if (!pszBaseTableName)
2039 : {
2040 0 : CPLError(CE_Warning, CPLE_AppDefined,
2041 : "Could not retrieve base_table_name from "
2042 : "gpkgext_relations");
2043 1 : continue;
2044 : }
2045 53 : const char *pszBasePrimaryColumn = oResultTable->GetValue(1, i);
2046 53 : if (!pszBasePrimaryColumn)
2047 : {
2048 0 : CPLError(CE_Warning, CPLE_AppDefined,
2049 : "Could not retrieve base_primary_column from "
2050 : "gpkgext_relations");
2051 0 : continue;
2052 : }
2053 53 : const char *pszRelatedTableName = oResultTable->GetValue(2, i);
2054 53 : if (!pszRelatedTableName)
2055 : {
2056 0 : CPLError(CE_Warning, CPLE_AppDefined,
2057 : "Could not retrieve related_table_name from "
2058 : "gpkgext_relations");
2059 0 : continue;
2060 : }
2061 53 : const char *pszRelatedPrimaryColumn = oResultTable->GetValue(3, i);
2062 53 : if (!pszRelatedPrimaryColumn)
2063 : {
2064 0 : CPLError(CE_Warning, CPLE_AppDefined,
2065 : "Could not retrieve related_primary_column from "
2066 : "gpkgext_relations");
2067 0 : continue;
2068 : }
2069 53 : const char *pszRelationName = oResultTable->GetValue(4, i);
2070 53 : if (!pszRelationName)
2071 : {
2072 0 : CPLError(
2073 : CE_Warning, CPLE_AppDefined,
2074 : "Could not retrieve relation_name from gpkgext_relations");
2075 0 : continue;
2076 : }
2077 53 : const char *pszMappingTableName = oResultTable->GetValue(5, i);
2078 53 : if (!pszMappingTableName)
2079 : {
2080 0 : CPLError(CE_Warning, CPLE_AppDefined,
2081 : "Could not retrieve mapping_table_name from "
2082 : "gpkgext_relations");
2083 0 : continue;
2084 : }
2085 :
2086 : // confirm that mapping table exists
2087 : char *pszSQL =
2088 53 : sqlite3_mprintf("SELECT 1 FROM sqlite_master WHERE "
2089 : "name='%q' AND type IN ('table', 'view')",
2090 : pszMappingTableName);
2091 53 : const int nMappingTableCount = SQLGetInteger(hDB, pszSQL, nullptr);
2092 53 : sqlite3_free(pszSQL);
2093 :
2094 55 : if (nMappingTableCount < 1 &&
2095 2 : !const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
2096 2 : pszMappingTableName))
2097 : {
2098 1 : CPLError(CE_Warning, CPLE_AppDefined,
2099 : "Relationship mapping table %s does not exist",
2100 : pszMappingTableName);
2101 1 : continue;
2102 : }
2103 :
2104 : const std::string osRelationName = GenerateNameForRelationship(
2105 104 : pszBaseTableName, pszRelatedTableName, pszRelationName);
2106 :
2107 104 : std::string osType{};
2108 : // defined requirement classes -- for these types the relation name
2109 : // will be specific string value from the related tables extension.
2110 : // In this case we need to construct a unique relationship name
2111 : // based on the related tables
2112 52 : if (EQUAL(pszRelationName, "media") ||
2113 40 : EQUAL(pszRelationName, "simple_attributes") ||
2114 40 : EQUAL(pszRelationName, "features") ||
2115 18 : EQUAL(pszRelationName, "attributes") ||
2116 2 : EQUAL(pszRelationName, "tiles"))
2117 : {
2118 50 : osType = pszRelationName;
2119 : }
2120 : else
2121 : {
2122 : // user defined types default to features
2123 2 : osType = "features";
2124 : }
2125 :
2126 : auto poRelationship = std::make_unique<GDALRelationship>(
2127 : osRelationName, pszBaseTableName, pszRelatedTableName,
2128 104 : GRC_MANY_TO_MANY);
2129 :
2130 104 : poRelationship->SetLeftTableFields({pszBasePrimaryColumn});
2131 104 : poRelationship->SetRightTableFields({pszRelatedPrimaryColumn});
2132 104 : poRelationship->SetLeftMappingTableFields({"base_id"});
2133 104 : poRelationship->SetRightMappingTableFields({"related_id"});
2134 52 : poRelationship->SetMappingTableName(pszMappingTableName);
2135 52 : poRelationship->SetRelatedTableType(osType);
2136 :
2137 52 : m_osMapRelationships[osRelationName] = std::move(poRelationship);
2138 : }
2139 : }
2140 37 : }
2141 :
2142 : /************************************************************************/
2143 : /* GenerateNameForRelationship() */
2144 : /************************************************************************/
2145 :
2146 76 : std::string GDALGeoPackageDataset::GenerateNameForRelationship(
2147 : const char *pszBaseTableName, const char *pszRelatedTableName,
2148 : const char *pszType)
2149 : {
2150 : // defined requirement classes -- for these types the relation name will be
2151 : // specific string value from the related tables extension. In this case we
2152 : // need to construct a unique relationship name based on the related tables
2153 76 : if (EQUAL(pszType, "media") || EQUAL(pszType, "simple_attributes") ||
2154 53 : EQUAL(pszType, "features") || EQUAL(pszType, "attributes") ||
2155 8 : EQUAL(pszType, "tiles"))
2156 : {
2157 136 : std::ostringstream stream;
2158 : stream << pszBaseTableName << '_' << pszRelatedTableName << '_'
2159 68 : << pszType;
2160 68 : return stream.str();
2161 : }
2162 : else
2163 : {
2164 : // user defined types default to features
2165 8 : return pszType;
2166 : }
2167 : }
2168 :
2169 : /************************************************************************/
2170 : /* ValidateRelationship() */
2171 : /************************************************************************/
2172 :
2173 28 : bool GDALGeoPackageDataset::ValidateRelationship(
2174 : const GDALRelationship *poRelationship, std::string &failureReason)
2175 : {
2176 :
2177 28 : if (poRelationship->GetCardinality() !=
2178 : GDALRelationshipCardinality::GRC_MANY_TO_MANY)
2179 : {
2180 3 : failureReason = "Only many to many relationships are supported";
2181 3 : return false;
2182 : }
2183 :
2184 50 : std::string osRelatedTableType = poRelationship->GetRelatedTableType();
2185 65 : if (!osRelatedTableType.empty() && osRelatedTableType != "features" &&
2186 30 : osRelatedTableType != "media" &&
2187 20 : osRelatedTableType != "simple_attributes" &&
2188 55 : osRelatedTableType != "attributes" && osRelatedTableType != "tiles")
2189 : {
2190 : failureReason =
2191 4 : ("Related table type " + osRelatedTableType +
2192 : " is not a valid value for the GeoPackage specification. "
2193 : "Valid values are: features, media, simple_attributes, "
2194 : "attributes, tiles.")
2195 2 : .c_str();
2196 2 : return false;
2197 : }
2198 :
2199 23 : const std::string &osLeftTableName = poRelationship->GetLeftTableName();
2200 23 : OGRGeoPackageLayer *poLeftTable = cpl::down_cast<OGRGeoPackageLayer *>(
2201 23 : GetLayerByName(osLeftTableName.c_str()));
2202 23 : if (!poLeftTable)
2203 : {
2204 4 : failureReason = ("Left table " + osLeftTableName +
2205 : " is not an existing layer in the dataset")
2206 2 : .c_str();
2207 2 : return false;
2208 : }
2209 21 : const std::string &osRightTableName = poRelationship->GetRightTableName();
2210 21 : OGRGeoPackageLayer *poRightTable = cpl::down_cast<OGRGeoPackageLayer *>(
2211 21 : GetLayerByName(osRightTableName.c_str()));
2212 21 : if (!poRightTable)
2213 : {
2214 4 : failureReason = ("Right table " + osRightTableName +
2215 : " is not an existing layer in the dataset")
2216 2 : .c_str();
2217 2 : return false;
2218 : }
2219 :
2220 19 : const auto &aosLeftTableFields = poRelationship->GetLeftTableFields();
2221 19 : if (aosLeftTableFields.empty())
2222 : {
2223 1 : failureReason = "No left table fields were specified";
2224 1 : return false;
2225 : }
2226 18 : else if (aosLeftTableFields.size() > 1)
2227 : {
2228 : failureReason = "Only a single left table field is permitted for the "
2229 1 : "GeoPackage specification";
2230 1 : return false;
2231 : }
2232 : else
2233 : {
2234 : // validate left field exists
2235 34 : if (poLeftTable->GetLayerDefn()->GetFieldIndex(
2236 37 : aosLeftTableFields[0].c_str()) < 0 &&
2237 3 : !EQUAL(poLeftTable->GetFIDColumn(), aosLeftTableFields[0].c_str()))
2238 : {
2239 2 : failureReason = ("Left table field " + aosLeftTableFields[0] +
2240 2 : " does not exist in " + osLeftTableName)
2241 1 : .c_str();
2242 1 : return false;
2243 : }
2244 : }
2245 :
2246 16 : const auto &aosRightTableFields = poRelationship->GetRightTableFields();
2247 16 : if (aosRightTableFields.empty())
2248 : {
2249 1 : failureReason = "No right table fields were specified";
2250 1 : return false;
2251 : }
2252 15 : else if (aosRightTableFields.size() > 1)
2253 : {
2254 : failureReason = "Only a single right table field is permitted for the "
2255 1 : "GeoPackage specification";
2256 1 : return false;
2257 : }
2258 : else
2259 : {
2260 : // validate right field exists
2261 28 : if (poRightTable->GetLayerDefn()->GetFieldIndex(
2262 32 : aosRightTableFields[0].c_str()) < 0 &&
2263 4 : !EQUAL(poRightTable->GetFIDColumn(),
2264 : aosRightTableFields[0].c_str()))
2265 : {
2266 4 : failureReason = ("Right table field " + aosRightTableFields[0] +
2267 4 : " does not exist in " + osRightTableName)
2268 2 : .c_str();
2269 2 : return false;
2270 : }
2271 : }
2272 :
2273 12 : return true;
2274 : }
2275 :
2276 : /************************************************************************/
2277 : /* InitRaster() */
2278 : /************************************************************************/
2279 :
2280 358 : bool GDALGeoPackageDataset::InitRaster(
2281 : GDALGeoPackageDataset *poParentDS, const char *pszTableName, double dfMinX,
2282 : double dfMinY, double dfMaxX, double dfMaxY, const char *pszContentsMinX,
2283 : const char *pszContentsMinY, const char *pszContentsMaxX,
2284 : const char *pszContentsMaxY, char **papszOpenOptionsIn,
2285 : const SQLResult &oResult, int nIdxInResult)
2286 : {
2287 358 : m_osRasterTable = pszTableName;
2288 358 : m_dfTMSMinX = dfMinX;
2289 358 : m_dfTMSMaxY = dfMaxY;
2290 :
2291 : // Despite prior checking, the type might be Binary and
2292 : // SQLResultGetValue() not working properly on it
2293 358 : int nZoomLevel = atoi(oResult.GetValue(0, nIdxInResult));
2294 358 : if (nZoomLevel < 0 || nZoomLevel > 65536)
2295 : {
2296 0 : return false;
2297 : }
2298 358 : double dfPixelXSize = CPLAtof(oResult.GetValue(1, nIdxInResult));
2299 358 : double dfPixelYSize = CPLAtof(oResult.GetValue(2, nIdxInResult));
2300 358 : if (dfPixelXSize <= 0 || dfPixelYSize <= 0)
2301 : {
2302 0 : return false;
2303 : }
2304 358 : int nTileWidth = atoi(oResult.GetValue(3, nIdxInResult));
2305 358 : int nTileHeight = atoi(oResult.GetValue(4, nIdxInResult));
2306 358 : if (nTileWidth <= 0 || nTileWidth > 65536 || nTileHeight <= 0 ||
2307 : nTileHeight > 65536)
2308 : {
2309 0 : return false;
2310 : }
2311 : int nTileMatrixWidth = static_cast<int>(
2312 716 : std::min(static_cast<GIntBig>(INT_MAX),
2313 358 : CPLAtoGIntBig(oResult.GetValue(5, nIdxInResult))));
2314 : int nTileMatrixHeight = static_cast<int>(
2315 716 : std::min(static_cast<GIntBig>(INT_MAX),
2316 358 : CPLAtoGIntBig(oResult.GetValue(6, nIdxInResult))));
2317 358 : if (nTileMatrixWidth <= 0 || nTileMatrixHeight <= 0)
2318 : {
2319 0 : return false;
2320 : }
2321 :
2322 : /* Use content bounds in priority over tile_matrix_set bounds */
2323 358 : double dfGDALMinX = dfMinX;
2324 358 : double dfGDALMinY = dfMinY;
2325 358 : double dfGDALMaxX = dfMaxX;
2326 358 : double dfGDALMaxY = dfMaxY;
2327 : pszContentsMinX =
2328 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINX", pszContentsMinX);
2329 : pszContentsMinY =
2330 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINY", pszContentsMinY);
2331 : pszContentsMaxX =
2332 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXX", pszContentsMaxX);
2333 : pszContentsMaxY =
2334 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXY", pszContentsMaxY);
2335 358 : if (pszContentsMinX != nullptr && pszContentsMinY != nullptr &&
2336 358 : pszContentsMaxX != nullptr && pszContentsMaxY != nullptr)
2337 : {
2338 715 : if (CPLAtof(pszContentsMinX) < CPLAtof(pszContentsMaxX) &&
2339 357 : CPLAtof(pszContentsMinY) < CPLAtof(pszContentsMaxY))
2340 : {
2341 357 : dfGDALMinX = CPLAtof(pszContentsMinX);
2342 357 : dfGDALMinY = CPLAtof(pszContentsMinY);
2343 357 : dfGDALMaxX = CPLAtof(pszContentsMaxX);
2344 357 : dfGDALMaxY = CPLAtof(pszContentsMaxY);
2345 : }
2346 : else
2347 : {
2348 1 : CPLError(CE_Warning, CPLE_AppDefined,
2349 : "Illegal min_x/min_y/max_x/max_y values for %s in open "
2350 : "options and/or gpkg_contents. Using bounds of "
2351 : "gpkg_tile_matrix_set instead",
2352 : pszTableName);
2353 : }
2354 : }
2355 358 : if (dfGDALMinX >= dfGDALMaxX || dfGDALMinY >= dfGDALMaxY)
2356 : {
2357 0 : CPLError(CE_Failure, CPLE_AppDefined,
2358 : "Illegal min_x/min_y/max_x/max_y values for %s", pszTableName);
2359 0 : return false;
2360 : }
2361 :
2362 358 : int nBandCount = 0;
2363 : const char *pszBAND_COUNT =
2364 358 : CSLFetchNameValue(papszOpenOptionsIn, "BAND_COUNT");
2365 358 : if (poParentDS)
2366 : {
2367 86 : nBandCount = poParentDS->GetRasterCount();
2368 : }
2369 272 : else if (m_eDT != GDT_Byte)
2370 : {
2371 65 : if (pszBAND_COUNT != nullptr && !EQUAL(pszBAND_COUNT, "AUTO") &&
2372 0 : !EQUAL(pszBAND_COUNT, "1"))
2373 : {
2374 0 : CPLError(CE_Warning, CPLE_AppDefined,
2375 : "BAND_COUNT ignored for non-Byte data");
2376 : }
2377 65 : nBandCount = 1;
2378 : }
2379 : else
2380 : {
2381 207 : if (pszBAND_COUNT != nullptr && !EQUAL(pszBAND_COUNT, "AUTO"))
2382 : {
2383 69 : nBandCount = atoi(pszBAND_COUNT);
2384 69 : if (nBandCount == 1)
2385 5 : GetMetadata("IMAGE_STRUCTURE");
2386 : }
2387 : else
2388 : {
2389 138 : GetMetadata("IMAGE_STRUCTURE");
2390 138 : nBandCount = m_nBandCountFromMetadata;
2391 138 : if (nBandCount == 1)
2392 39 : m_eTF = GPKG_TF_PNG;
2393 : }
2394 207 : if (nBandCount == 1 && !m_osTFFromMetadata.empty())
2395 : {
2396 2 : m_eTF = GDALGPKGMBTilesGetTileFormat(m_osTFFromMetadata.c_str());
2397 : }
2398 207 : if (nBandCount <= 0 || nBandCount > 4)
2399 85 : nBandCount = 4;
2400 : }
2401 :
2402 358 : return InitRaster(poParentDS, pszTableName, nZoomLevel, nBandCount, dfMinX,
2403 : dfMaxY, dfPixelXSize, dfPixelYSize, nTileWidth,
2404 : nTileHeight, nTileMatrixWidth, nTileMatrixHeight,
2405 358 : dfGDALMinX, dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
2406 : }
2407 :
2408 : /************************************************************************/
2409 : /* ComputeTileAndPixelShifts() */
2410 : /************************************************************************/
2411 :
2412 784 : bool GDALGeoPackageDataset::ComputeTileAndPixelShifts()
2413 : {
2414 : int nTileWidth, nTileHeight;
2415 784 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2416 :
2417 : // Compute shift between GDAL origin and TileMatrixSet origin
2418 784 : const double dfShiftXPixels = (m_gt[0] - m_dfTMSMinX) / m_gt[1];
2419 784 : if (!(dfShiftXPixels / nTileWidth >= INT_MIN &&
2420 781 : dfShiftXPixels / nTileWidth < INT_MAX))
2421 : {
2422 3 : return false;
2423 : }
2424 781 : const int64_t nShiftXPixels =
2425 781 : static_cast<int64_t>(floor(0.5 + dfShiftXPixels));
2426 781 : m_nShiftXTiles = static_cast<int>(nShiftXPixels / nTileWidth);
2427 781 : if (nShiftXPixels < 0 && (nShiftXPixels % nTileWidth) != 0)
2428 11 : m_nShiftXTiles--;
2429 781 : m_nShiftXPixelsMod =
2430 781 : (static_cast<int>(nShiftXPixels % nTileWidth) + nTileWidth) %
2431 : nTileWidth;
2432 :
2433 781 : const double dfShiftYPixels = (m_gt[3] - m_dfTMSMaxY) / m_gt[5];
2434 781 : if (!(dfShiftYPixels / nTileHeight >= INT_MIN &&
2435 781 : dfShiftYPixels / nTileHeight < INT_MAX))
2436 : {
2437 1 : return false;
2438 : }
2439 780 : const int64_t nShiftYPixels =
2440 780 : static_cast<int64_t>(floor(0.5 + dfShiftYPixels));
2441 780 : m_nShiftYTiles = static_cast<int>(nShiftYPixels / nTileHeight);
2442 780 : if (nShiftYPixels < 0 && (nShiftYPixels % nTileHeight) != 0)
2443 11 : m_nShiftYTiles--;
2444 780 : m_nShiftYPixelsMod =
2445 780 : (static_cast<int>(nShiftYPixels % nTileHeight) + nTileHeight) %
2446 : nTileHeight;
2447 780 : return true;
2448 : }
2449 :
2450 : /************************************************************************/
2451 : /* AllocCachedTiles() */
2452 : /************************************************************************/
2453 :
2454 780 : bool GDALGeoPackageDataset::AllocCachedTiles()
2455 : {
2456 : int nTileWidth, nTileHeight;
2457 780 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2458 :
2459 : // We currently need 4 caches because of
2460 : // GDALGPKGMBTilesLikePseudoDataset::ReadTile(int nRow, int nCol)
2461 780 : const int nCacheCount = 4;
2462 : /*
2463 : (m_nShiftXPixelsMod != 0 || m_nShiftYPixelsMod != 0) ? 4 :
2464 : (GetUpdate() && m_eDT == GDT_Byte) ? 2 : 1;
2465 : */
2466 780 : m_pabyCachedTiles = static_cast<GByte *>(VSI_MALLOC3_VERBOSE(
2467 : cpl::fits_on<int>(nCacheCount * (m_eDT == GDT_Byte ? 4 : 1) *
2468 : m_nDTSize),
2469 : nTileWidth, nTileHeight));
2470 780 : if (m_pabyCachedTiles == nullptr)
2471 : {
2472 0 : CPLError(CE_Failure, CPLE_AppDefined, "Too big tiles: %d x %d",
2473 : nTileWidth, nTileHeight);
2474 0 : return false;
2475 : }
2476 :
2477 780 : return true;
2478 : }
2479 :
2480 : /************************************************************************/
2481 : /* InitRaster() */
2482 : /************************************************************************/
2483 :
2484 597 : bool GDALGeoPackageDataset::InitRaster(
2485 : GDALGeoPackageDataset *poParentDS, const char *pszTableName, int nZoomLevel,
2486 : int nBandCount, double dfTMSMinX, double dfTMSMaxY, double dfPixelXSize,
2487 : double dfPixelYSize, int nTileWidth, int nTileHeight, int nTileMatrixWidth,
2488 : int nTileMatrixHeight, double dfGDALMinX, double dfGDALMinY,
2489 : double dfGDALMaxX, double dfGDALMaxY)
2490 : {
2491 597 : m_osRasterTable = pszTableName;
2492 597 : m_dfTMSMinX = dfTMSMinX;
2493 597 : m_dfTMSMaxY = dfTMSMaxY;
2494 597 : m_nZoomLevel = nZoomLevel;
2495 597 : m_nTileMatrixWidth = nTileMatrixWidth;
2496 597 : m_nTileMatrixHeight = nTileMatrixHeight;
2497 :
2498 597 : m_bGeoTransformValid = true;
2499 597 : m_gt[0] = dfGDALMinX;
2500 597 : m_gt[1] = dfPixelXSize;
2501 597 : m_gt[3] = dfGDALMaxY;
2502 597 : m_gt[5] = -dfPixelYSize;
2503 597 : double dfRasterXSize = 0.5 + (dfGDALMaxX - dfGDALMinX) / dfPixelXSize;
2504 597 : double dfRasterYSize = 0.5 + (dfGDALMaxY - dfGDALMinY) / dfPixelYSize;
2505 597 : if (dfRasterXSize > INT_MAX || dfRasterYSize > INT_MAX)
2506 : {
2507 0 : CPLError(CE_Failure, CPLE_NotSupported, "Too big raster: %f x %f",
2508 : dfRasterXSize, dfRasterYSize);
2509 0 : return false;
2510 : }
2511 597 : nRasterXSize = std::max(1, static_cast<int>(dfRasterXSize));
2512 597 : nRasterYSize = std::max(1, static_cast<int>(dfRasterYSize));
2513 :
2514 597 : if (poParentDS)
2515 : {
2516 325 : m_poParentDS = poParentDS;
2517 325 : eAccess = poParentDS->eAccess;
2518 325 : hDB = poParentDS->hDB;
2519 325 : m_eTF = poParentDS->m_eTF;
2520 325 : m_eDT = poParentDS->m_eDT;
2521 325 : m_nDTSize = poParentDS->m_nDTSize;
2522 325 : m_dfScale = poParentDS->m_dfScale;
2523 325 : m_dfOffset = poParentDS->m_dfOffset;
2524 325 : m_dfPrecision = poParentDS->m_dfPrecision;
2525 325 : m_usGPKGNull = poParentDS->m_usGPKGNull;
2526 325 : m_nQuality = poParentDS->m_nQuality;
2527 325 : m_nZLevel = poParentDS->m_nZLevel;
2528 325 : m_bDither = poParentDS->m_bDither;
2529 : /*m_nSRID = poParentDS->m_nSRID;*/
2530 325 : m_osWHERE = poParentDS->m_osWHERE;
2531 325 : SetDescription(CPLSPrintf("%s - zoom_level=%d",
2532 325 : poParentDS->GetDescription(), m_nZoomLevel));
2533 : }
2534 :
2535 2091 : for (int i = 1; i <= nBandCount; i++)
2536 : {
2537 : auto poNewBand = std::make_unique<GDALGeoPackageRasterBand>(
2538 1494 : this, nTileWidth, nTileHeight);
2539 1494 : if (poParentDS)
2540 : {
2541 761 : int bHasNoData = FALSE;
2542 : double dfNoDataValue =
2543 761 : poParentDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
2544 761 : if (bHasNoData)
2545 24 : poNewBand->SetNoDataValueInternal(dfNoDataValue);
2546 : }
2547 :
2548 1494 : if (nBandCount == 1 && m_poCTFromMetadata)
2549 : {
2550 3 : poNewBand->AssignColorTable(m_poCTFromMetadata.get());
2551 : }
2552 1494 : if (!m_osNodataValueFromMetadata.empty())
2553 : {
2554 8 : poNewBand->SetNoDataValueInternal(
2555 : CPLAtof(m_osNodataValueFromMetadata.c_str()));
2556 : }
2557 :
2558 1494 : SetBand(i, std::move(poNewBand));
2559 : }
2560 :
2561 597 : if (!ComputeTileAndPixelShifts())
2562 : {
2563 3 : CPLError(CE_Failure, CPLE_AppDefined,
2564 : "Overflow occurred in ComputeTileAndPixelShifts()");
2565 3 : return false;
2566 : }
2567 :
2568 594 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL", "IMAGE_STRUCTURE");
2569 594 : GDALPamDataset::SetMetadataItem("ZOOM_LEVEL",
2570 : CPLSPrintf("%d", m_nZoomLevel));
2571 :
2572 594 : return AllocCachedTiles();
2573 : }
2574 :
2575 : /************************************************************************/
2576 : /* GDALGPKGMBTilesGetTileFormat() */
2577 : /************************************************************************/
2578 :
2579 80 : GPKGTileFormat GDALGPKGMBTilesGetTileFormat(const char *pszTF)
2580 : {
2581 80 : GPKGTileFormat eTF = GPKG_TF_PNG_JPEG;
2582 80 : if (pszTF)
2583 : {
2584 80 : if (EQUAL(pszTF, "PNG_JPEG") || EQUAL(pszTF, "AUTO"))
2585 1 : eTF = GPKG_TF_PNG_JPEG;
2586 79 : else if (EQUAL(pszTF, "PNG"))
2587 46 : eTF = GPKG_TF_PNG;
2588 33 : else if (EQUAL(pszTF, "PNG8"))
2589 6 : eTF = GPKG_TF_PNG8;
2590 27 : else if (EQUAL(pszTF, "JPEG"))
2591 14 : eTF = GPKG_TF_JPEG;
2592 13 : else if (EQUAL(pszTF, "WEBP"))
2593 13 : eTF = GPKG_TF_WEBP;
2594 : else
2595 : {
2596 0 : CPLError(CE_Failure, CPLE_NotSupported,
2597 : "Unsuppoted value for TILE_FORMAT: %s", pszTF);
2598 : }
2599 : }
2600 80 : return eTF;
2601 : }
2602 :
2603 28 : const char *GDALMBTilesGetTileFormatName(GPKGTileFormat eTF)
2604 : {
2605 28 : switch (eTF)
2606 : {
2607 26 : case GPKG_TF_PNG:
2608 : case GPKG_TF_PNG8:
2609 26 : return "png";
2610 1 : case GPKG_TF_JPEG:
2611 1 : return "jpg";
2612 1 : case GPKG_TF_WEBP:
2613 1 : return "webp";
2614 0 : default:
2615 0 : break;
2616 : }
2617 0 : CPLError(CE_Failure, CPLE_NotSupported,
2618 : "Unsuppoted value for TILE_FORMAT: %d", static_cast<int>(eTF));
2619 0 : return nullptr;
2620 : }
2621 :
2622 : /************************************************************************/
2623 : /* OpenRaster() */
2624 : /************************************************************************/
2625 :
2626 274 : bool GDALGeoPackageDataset::OpenRaster(
2627 : const char *pszTableName, const char *pszIdentifier,
2628 : const char *pszDescription, int nSRSId, double dfMinX, double dfMinY,
2629 : double dfMaxX, double dfMaxY, const char *pszContentsMinX,
2630 : const char *pszContentsMinY, const char *pszContentsMaxX,
2631 : const char *pszContentsMaxY, bool bIsTiles, char **papszOpenOptionsIn)
2632 : {
2633 274 : if (dfMinX >= dfMaxX || dfMinY >= dfMaxY)
2634 0 : return false;
2635 :
2636 : // Config option just for debug, and for example force set to NaN
2637 : // which is not supported
2638 548 : CPLString osDataNull = CPLGetConfigOption("GPKG_NODATA", "");
2639 548 : CPLString osUom;
2640 548 : CPLString osFieldName;
2641 548 : CPLString osGridCellEncoding;
2642 274 : if (!bIsTiles)
2643 : {
2644 65 : char *pszSQL = sqlite3_mprintf(
2645 : "SELECT datatype, scale, offset, data_null, precision FROM "
2646 : "gpkg_2d_gridded_coverage_ancillary "
2647 : "WHERE tile_matrix_set_name = '%q' "
2648 : "AND datatype IN ('integer', 'float')"
2649 : "AND (scale > 0 OR scale IS NULL)",
2650 : pszTableName);
2651 65 : auto oResult = SQLQuery(hDB, pszSQL);
2652 65 : sqlite3_free(pszSQL);
2653 65 : if (!oResult || oResult->RowCount() == 0)
2654 : {
2655 0 : return false;
2656 : }
2657 65 : const char *pszDataType = oResult->GetValue(0, 0);
2658 65 : const char *pszScale = oResult->GetValue(1, 0);
2659 65 : const char *pszOffset = oResult->GetValue(2, 0);
2660 65 : const char *pszDataNull = oResult->GetValue(3, 0);
2661 65 : const char *pszPrecision = oResult->GetValue(4, 0);
2662 65 : if (pszDataNull)
2663 23 : osDataNull = pszDataNull;
2664 65 : if (EQUAL(pszDataType, "float"))
2665 : {
2666 6 : SetDataType(GDT_Float32);
2667 6 : m_eTF = GPKG_TF_TIFF_32BIT_FLOAT;
2668 : }
2669 : else
2670 : {
2671 59 : SetDataType(GDT_Float32);
2672 59 : m_eTF = GPKG_TF_PNG_16BIT;
2673 59 : const double dfScale = pszScale ? CPLAtof(pszScale) : 1.0;
2674 59 : const double dfOffset = pszOffset ? CPLAtof(pszOffset) : 0.0;
2675 59 : if (dfScale == 1.0)
2676 : {
2677 59 : if (dfOffset == 0.0)
2678 : {
2679 24 : SetDataType(GDT_UInt16);
2680 : }
2681 35 : else if (dfOffset == -32768.0)
2682 : {
2683 35 : SetDataType(GDT_Int16);
2684 : }
2685 : // coverity[tainted_data]
2686 0 : else if (dfOffset == -32767.0 && !osDataNull.empty() &&
2687 0 : CPLAtof(osDataNull) == 65535.0)
2688 : // Given that we will map the nodata value to -32768
2689 : {
2690 0 : SetDataType(GDT_Int16);
2691 : }
2692 : }
2693 :
2694 : // Check that the tile offset and scales are compatible of a
2695 : // final integer result.
2696 59 : if (m_eDT != GDT_Float32)
2697 : {
2698 : // coverity[tainted_data]
2699 59 : if (dfScale == 1.0 && dfOffset == -32768.0 &&
2700 118 : !osDataNull.empty() && CPLAtof(osDataNull) == 65535.0)
2701 : {
2702 : // Given that we will map the nodata value to -32768
2703 9 : pszSQL = sqlite3_mprintf(
2704 : "SELECT 1 FROM "
2705 : "gpkg_2d_gridded_tile_ancillary WHERE "
2706 : "tpudt_name = '%q' "
2707 : "AND NOT ((offset = 0.0 or offset = 1.0) "
2708 : "AND scale = 1.0) "
2709 : "LIMIT 1",
2710 : pszTableName);
2711 : }
2712 : else
2713 : {
2714 50 : pszSQL = sqlite3_mprintf(
2715 : "SELECT 1 FROM "
2716 : "gpkg_2d_gridded_tile_ancillary WHERE "
2717 : "tpudt_name = '%q' "
2718 : "AND NOT (offset = 0.0 AND scale = 1.0) LIMIT 1",
2719 : pszTableName);
2720 : }
2721 59 : sqlite3_stmt *hSQLStmt = nullptr;
2722 : int rc =
2723 59 : SQLPrepareWithError(hDB, pszSQL, -1, &hSQLStmt, nullptr);
2724 :
2725 59 : if (rc == SQLITE_OK)
2726 : {
2727 59 : if (sqlite3_step(hSQLStmt) == SQLITE_ROW)
2728 : {
2729 8 : SetDataType(GDT_Float32);
2730 : }
2731 59 : sqlite3_finalize(hSQLStmt);
2732 : }
2733 59 : sqlite3_free(pszSQL);
2734 : }
2735 :
2736 59 : SetGlobalOffsetScale(dfOffset, dfScale);
2737 : }
2738 65 : if (pszPrecision)
2739 65 : m_dfPrecision = CPLAtof(pszPrecision);
2740 :
2741 : // Request those columns in a separate query, so as to keep
2742 : // compatibility with pre OGC 17-066r1 databases
2743 : pszSQL =
2744 65 : sqlite3_mprintf("SELECT uom, field_name, grid_cell_encoding FROM "
2745 : "gpkg_2d_gridded_coverage_ancillary "
2746 : "WHERE tile_matrix_set_name = '%q'",
2747 : pszTableName);
2748 65 : CPLPushErrorHandler(CPLQuietErrorHandler);
2749 65 : oResult = SQLQuery(hDB, pszSQL);
2750 65 : CPLPopErrorHandler();
2751 65 : sqlite3_free(pszSQL);
2752 65 : if (oResult && oResult->RowCount() == 1)
2753 : {
2754 64 : const char *pszUom = oResult->GetValue(0, 0);
2755 64 : if (pszUom)
2756 2 : osUom = pszUom;
2757 64 : const char *pszFieldName = oResult->GetValue(1, 0);
2758 64 : if (pszFieldName)
2759 64 : osFieldName = pszFieldName;
2760 64 : const char *pszGridCellEncoding = oResult->GetValue(2, 0);
2761 64 : if (pszGridCellEncoding)
2762 64 : osGridCellEncoding = pszGridCellEncoding;
2763 : }
2764 : }
2765 :
2766 274 : m_bRecordInsertedInGPKGContent = true;
2767 274 : m_nSRID = nSRSId;
2768 :
2769 547 : if (auto poSRS = GetSpatialRef(nSRSId))
2770 : {
2771 273 : m_oSRS = *(poSRS.get());
2772 : }
2773 :
2774 : /* Various sanity checks added in the SELECT */
2775 274 : char *pszQuotedTableName = sqlite3_mprintf("'%q'", pszTableName);
2776 548 : CPLString osQuotedTableName(pszQuotedTableName);
2777 274 : sqlite3_free(pszQuotedTableName);
2778 274 : char *pszSQL = sqlite3_mprintf(
2779 : "SELECT zoom_level, pixel_x_size, pixel_y_size, tile_width, "
2780 : "tile_height, matrix_width, matrix_height "
2781 : "FROM gpkg_tile_matrix tm "
2782 : "WHERE table_name = %s "
2783 : // INT_MAX would be the theoretical maximum value to avoid
2784 : // overflows, but that's already a insane value.
2785 : "AND zoom_level >= 0 AND zoom_level <= 65536 "
2786 : "AND pixel_x_size > 0 AND pixel_y_size > 0 "
2787 : "AND tile_width >= 1 AND tile_width <= 65536 "
2788 : "AND tile_height >= 1 AND tile_height <= 65536 "
2789 : "AND matrix_width >= 1 AND matrix_height >= 1",
2790 : osQuotedTableName.c_str());
2791 548 : CPLString osSQL(pszSQL);
2792 : const char *pszZoomLevel =
2793 274 : CSLFetchNameValue(papszOpenOptionsIn, "ZOOM_LEVEL");
2794 274 : if (pszZoomLevel)
2795 : {
2796 5 : if (GetUpdate())
2797 1 : osSQL += CPLSPrintf(" AND zoom_level <= %d", atoi(pszZoomLevel));
2798 : else
2799 : {
2800 : osSQL += CPLSPrintf(
2801 : " AND (zoom_level = %d OR (zoom_level < %d AND EXISTS(SELECT 1 "
2802 : "FROM %s WHERE zoom_level = tm.zoom_level LIMIT 1)))",
2803 : atoi(pszZoomLevel), atoi(pszZoomLevel),
2804 4 : osQuotedTableName.c_str());
2805 : }
2806 : }
2807 : // In read-only mode, only lists non empty zoom levels
2808 269 : else if (!GetUpdate())
2809 : {
2810 : osSQL += CPLSPrintf(" AND EXISTS(SELECT 1 FROM %s WHERE zoom_level = "
2811 : "tm.zoom_level LIMIT 1)",
2812 215 : osQuotedTableName.c_str());
2813 : }
2814 : else // if( pszZoomLevel == nullptr )
2815 : {
2816 : osSQL +=
2817 : CPLSPrintf(" AND zoom_level <= (SELECT MAX(zoom_level) FROM %s)",
2818 54 : osQuotedTableName.c_str());
2819 : }
2820 274 : osSQL += " ORDER BY zoom_level DESC";
2821 : // To avoid denial of service.
2822 274 : osSQL += " LIMIT 100";
2823 :
2824 548 : auto oResult = SQLQuery(hDB, osSQL.c_str());
2825 274 : if (!oResult || oResult->RowCount() == 0)
2826 : {
2827 114 : if (oResult && oResult->RowCount() == 0 && pszContentsMinX != nullptr &&
2828 114 : pszContentsMinY != nullptr && pszContentsMaxX != nullptr &&
2829 : pszContentsMaxY != nullptr)
2830 : {
2831 56 : osSQL = pszSQL;
2832 56 : osSQL += " ORDER BY zoom_level DESC";
2833 56 : if (!GetUpdate())
2834 30 : osSQL += " LIMIT 1";
2835 56 : oResult = SQLQuery(hDB, osSQL.c_str());
2836 : }
2837 57 : if (!oResult || oResult->RowCount() == 0)
2838 : {
2839 1 : if (oResult && pszZoomLevel != nullptr)
2840 : {
2841 1 : CPLError(CE_Failure, CPLE_AppDefined,
2842 : "ZOOM_LEVEL is probably not valid w.r.t tile "
2843 : "table content");
2844 : }
2845 1 : sqlite3_free(pszSQL);
2846 1 : return false;
2847 : }
2848 : }
2849 273 : sqlite3_free(pszSQL);
2850 :
2851 : // If USE_TILE_EXTENT=YES, then query the tile table to find which tiles
2852 : // actually exist.
2853 :
2854 : // CAUTION: Do not move those variables inside inner scope !
2855 546 : CPLString osContentsMinX, osContentsMinY, osContentsMaxX, osContentsMaxY;
2856 :
2857 273 : if (CPLTestBool(
2858 : CSLFetchNameValueDef(papszOpenOptionsIn, "USE_TILE_EXTENT", "NO")))
2859 : {
2860 13 : pszSQL = sqlite3_mprintf(
2861 : "SELECT MIN(tile_column), MIN(tile_row), MAX(tile_column), "
2862 : "MAX(tile_row) FROM \"%w\" WHERE zoom_level = %d",
2863 : pszTableName, atoi(oResult->GetValue(0, 0)));
2864 13 : auto oResult2 = SQLQuery(hDB, pszSQL);
2865 13 : sqlite3_free(pszSQL);
2866 26 : if (!oResult2 || oResult2->RowCount() == 0 ||
2867 : // Can happen if table is empty
2868 38 : oResult2->GetValue(0, 0) == nullptr ||
2869 : // Can happen if table has no NOT NULL constraint on tile_row
2870 : // and that all tile_row are NULL
2871 12 : oResult2->GetValue(1, 0) == nullptr)
2872 : {
2873 1 : return false;
2874 : }
2875 12 : const double dfPixelXSize = CPLAtof(oResult->GetValue(1, 0));
2876 12 : const double dfPixelYSize = CPLAtof(oResult->GetValue(2, 0));
2877 12 : const int nTileWidth = atoi(oResult->GetValue(3, 0));
2878 12 : const int nTileHeight = atoi(oResult->GetValue(4, 0));
2879 : osContentsMinX =
2880 24 : CPLSPrintf("%.17g", dfMinX + dfPixelXSize * nTileWidth *
2881 12 : atoi(oResult2->GetValue(0, 0)));
2882 : osContentsMaxY =
2883 24 : CPLSPrintf("%.17g", dfMaxY - dfPixelYSize * nTileHeight *
2884 12 : atoi(oResult2->GetValue(1, 0)));
2885 : osContentsMaxX = CPLSPrintf(
2886 24 : "%.17g", dfMinX + dfPixelXSize * nTileWidth *
2887 12 : (1 + atoi(oResult2->GetValue(2, 0))));
2888 : osContentsMinY = CPLSPrintf(
2889 24 : "%.17g", dfMaxY - dfPixelYSize * nTileHeight *
2890 12 : (1 + atoi(oResult2->GetValue(3, 0))));
2891 12 : pszContentsMinX = osContentsMinX.c_str();
2892 12 : pszContentsMinY = osContentsMinY.c_str();
2893 12 : pszContentsMaxX = osContentsMaxX.c_str();
2894 12 : pszContentsMaxY = osContentsMaxY.c_str();
2895 : }
2896 :
2897 272 : if (!InitRaster(nullptr, pszTableName, dfMinX, dfMinY, dfMaxX, dfMaxY,
2898 : pszContentsMinX, pszContentsMinY, pszContentsMaxX,
2899 272 : pszContentsMaxY, papszOpenOptionsIn, *oResult, 0))
2900 : {
2901 3 : return false;
2902 : }
2903 :
2904 269 : auto poBand = cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(1));
2905 269 : if (!osDataNull.empty())
2906 : {
2907 23 : double dfGPKGNoDataValue = CPLAtof(osDataNull);
2908 23 : if (m_eTF == GPKG_TF_PNG_16BIT)
2909 : {
2910 21 : if (dfGPKGNoDataValue < 0 || dfGPKGNoDataValue > 65535 ||
2911 21 : static_cast<int>(dfGPKGNoDataValue) != dfGPKGNoDataValue)
2912 : {
2913 0 : CPLError(CE_Warning, CPLE_AppDefined,
2914 : "data_null = %.17g is invalid for integer data_type",
2915 : dfGPKGNoDataValue);
2916 : }
2917 : else
2918 : {
2919 21 : m_usGPKGNull = static_cast<GUInt16>(dfGPKGNoDataValue);
2920 21 : if (m_eDT == GDT_Int16 && m_usGPKGNull > 32767)
2921 9 : dfGPKGNoDataValue = -32768.0;
2922 12 : else if (m_eDT == GDT_Float32)
2923 : {
2924 : // Pick a value that is unlikely to be hit with offset &
2925 : // scale
2926 4 : dfGPKGNoDataValue = -std::numeric_limits<float>::max();
2927 : }
2928 21 : poBand->SetNoDataValueInternal(dfGPKGNoDataValue);
2929 : }
2930 : }
2931 : else
2932 : {
2933 2 : poBand->SetNoDataValueInternal(
2934 2 : static_cast<float>(dfGPKGNoDataValue));
2935 : }
2936 : }
2937 269 : if (!osUom.empty())
2938 : {
2939 2 : poBand->SetUnitTypeInternal(osUom);
2940 : }
2941 269 : if (!osFieldName.empty())
2942 : {
2943 64 : GetRasterBand(1)->GDALRasterBand::SetDescription(osFieldName);
2944 : }
2945 269 : if (!osGridCellEncoding.empty())
2946 : {
2947 64 : if (osGridCellEncoding == "grid-value-is-center")
2948 : {
2949 15 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2950 : GDALMD_AOP_POINT);
2951 : }
2952 49 : else if (osGridCellEncoding == "grid-value-is-area")
2953 : {
2954 45 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2955 : GDALMD_AOP_AREA);
2956 : }
2957 : else
2958 : {
2959 4 : GDALPamDataset::SetMetadataItem(GDALMD_AREA_OR_POINT,
2960 : GDALMD_AOP_POINT);
2961 4 : GetRasterBand(1)->GDALRasterBand::SetMetadataItem(
2962 : "GRID_CELL_ENCODING", osGridCellEncoding);
2963 : }
2964 : }
2965 :
2966 269 : CheckUnknownExtensions(true);
2967 :
2968 : // Do this after CheckUnknownExtensions() so that m_eTF is set to
2969 : // GPKG_TF_WEBP if the table already registers the gpkg_webp extension
2970 269 : const char *pszTF = CSLFetchNameValue(papszOpenOptionsIn, "TILE_FORMAT");
2971 269 : if (pszTF)
2972 : {
2973 4 : if (!GetUpdate())
2974 : {
2975 0 : CPLError(CE_Warning, CPLE_AppDefined,
2976 : "TILE_FORMAT open option ignored in read-only mode");
2977 : }
2978 4 : else if (m_eTF == GPKG_TF_PNG_16BIT ||
2979 4 : m_eTF == GPKG_TF_TIFF_32BIT_FLOAT)
2980 : {
2981 0 : CPLError(CE_Warning, CPLE_AppDefined,
2982 : "TILE_FORMAT open option ignored on gridded coverages");
2983 : }
2984 : else
2985 : {
2986 4 : GPKGTileFormat eTF = GDALGPKGMBTilesGetTileFormat(pszTF);
2987 4 : if (eTF == GPKG_TF_WEBP && m_eTF != eTF)
2988 : {
2989 1 : if (!RegisterWebPExtension())
2990 0 : return false;
2991 : }
2992 4 : m_eTF = eTF;
2993 : }
2994 : }
2995 :
2996 269 : ParseCompressionOptions(papszOpenOptionsIn);
2997 :
2998 269 : m_osWHERE = CSLFetchNameValueDef(papszOpenOptionsIn, "WHERE", "");
2999 :
3000 : // Set metadata
3001 269 : if (pszIdentifier && pszIdentifier[0])
3002 269 : GDALPamDataset::SetMetadataItem("IDENTIFIER", pszIdentifier);
3003 269 : if (pszDescription && pszDescription[0])
3004 21 : GDALPamDataset::SetMetadataItem("DESCRIPTION", pszDescription);
3005 :
3006 : // Add overviews
3007 354 : for (int i = 1; i < oResult->RowCount(); i++)
3008 : {
3009 86 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3010 86 : poOvrDS->ShareLockWithParentDataset(this);
3011 172 : if (!poOvrDS->InitRaster(this, pszTableName, dfMinX, dfMinY, dfMaxX,
3012 : dfMaxY, pszContentsMinX, pszContentsMinY,
3013 : pszContentsMaxX, pszContentsMaxY,
3014 86 : papszOpenOptionsIn, *oResult, i))
3015 : {
3016 0 : break;
3017 : }
3018 :
3019 : int nTileWidth, nTileHeight;
3020 86 : poOvrDS->GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3021 : const bool bStop =
3022 87 : (eAccess == GA_ReadOnly && poOvrDS->GetRasterXSize() < nTileWidth &&
3023 1 : poOvrDS->GetRasterYSize() < nTileHeight);
3024 :
3025 86 : m_apoOverviewDS.push_back(std::move(poOvrDS));
3026 :
3027 86 : if (bStop)
3028 : {
3029 1 : break;
3030 : }
3031 : }
3032 :
3033 269 : return true;
3034 : }
3035 :
3036 : /************************************************************************/
3037 : /* GetSpatialRef() */
3038 : /************************************************************************/
3039 :
3040 17 : const OGRSpatialReference *GDALGeoPackageDataset::GetSpatialRef() const
3041 : {
3042 17 : if (GetLayerCount())
3043 1 : return GDALDataset::GetSpatialRef();
3044 16 : return GetSpatialRefRasterOnly();
3045 : }
3046 :
3047 : /************************************************************************/
3048 : /* GetSpatialRefRasterOnly() */
3049 : /************************************************************************/
3050 :
3051 : const OGRSpatialReference *
3052 17 : GDALGeoPackageDataset::GetSpatialRefRasterOnly() const
3053 :
3054 : {
3055 17 : return m_oSRS.IsEmpty() ? nullptr : &m_oSRS;
3056 : }
3057 :
3058 : /************************************************************************/
3059 : /* SetSpatialRef() */
3060 : /************************************************************************/
3061 :
3062 152 : CPLErr GDALGeoPackageDataset::SetSpatialRef(const OGRSpatialReference *poSRS)
3063 : {
3064 152 : if (nBands == 0)
3065 : {
3066 1 : CPLError(CE_Failure, CPLE_NotSupported,
3067 : "SetProjection() not supported on a dataset with 0 band");
3068 1 : return CE_Failure;
3069 : }
3070 151 : if (eAccess != GA_Update)
3071 : {
3072 1 : CPLError(CE_Failure, CPLE_NotSupported,
3073 : "SetProjection() not supported on read-only dataset");
3074 1 : return CE_Failure;
3075 : }
3076 :
3077 150 : const int nSRID = GetSrsId(poSRS);
3078 300 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3079 150 : if (poTS && nSRID != poTS->nEPSGCode)
3080 : {
3081 2 : CPLError(CE_Failure, CPLE_NotSupported,
3082 : "Projection should be EPSG:%d for %s tiling scheme",
3083 1 : poTS->nEPSGCode, m_osTilingScheme.c_str());
3084 1 : return CE_Failure;
3085 : }
3086 :
3087 149 : m_nSRID = nSRID;
3088 149 : m_oSRS.Clear();
3089 149 : if (poSRS)
3090 148 : m_oSRS = *poSRS;
3091 :
3092 149 : if (m_bRecordInsertedInGPKGContent)
3093 : {
3094 121 : char *pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET srs_id = %d "
3095 : "WHERE lower(table_name) = lower('%q')",
3096 : m_nSRID, m_osRasterTable.c_str());
3097 121 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3098 121 : sqlite3_free(pszSQL);
3099 121 : if (eErr != OGRERR_NONE)
3100 0 : return CE_Failure;
3101 :
3102 121 : pszSQL = sqlite3_mprintf("UPDATE gpkg_tile_matrix_set SET srs_id = %d "
3103 : "WHERE lower(table_name) = lower('%q')",
3104 : m_nSRID, m_osRasterTable.c_str());
3105 121 : eErr = SQLCommand(hDB, pszSQL);
3106 121 : sqlite3_free(pszSQL);
3107 121 : if (eErr != OGRERR_NONE)
3108 0 : return CE_Failure;
3109 : }
3110 :
3111 149 : return CE_None;
3112 : }
3113 :
3114 : /************************************************************************/
3115 : /* GetGeoTransform() */
3116 : /************************************************************************/
3117 :
3118 33 : CPLErr GDALGeoPackageDataset::GetGeoTransform(GDALGeoTransform >) const
3119 : {
3120 33 : gt = m_gt;
3121 33 : if (!m_bGeoTransformValid)
3122 2 : return CE_Failure;
3123 : else
3124 31 : return CE_None;
3125 : }
3126 :
3127 : /************************************************************************/
3128 : /* SetGeoTransform() */
3129 : /************************************************************************/
3130 :
3131 192 : CPLErr GDALGeoPackageDataset::SetGeoTransform(const GDALGeoTransform >)
3132 : {
3133 192 : if (nBands == 0)
3134 : {
3135 2 : CPLError(CE_Failure, CPLE_NotSupported,
3136 : "SetGeoTransform() not supported on a dataset with 0 band");
3137 2 : return CE_Failure;
3138 : }
3139 190 : if (eAccess != GA_Update)
3140 : {
3141 1 : CPLError(CE_Failure, CPLE_NotSupported,
3142 : "SetGeoTransform() not supported on read-only dataset");
3143 1 : return CE_Failure;
3144 : }
3145 189 : if (m_bGeoTransformValid)
3146 : {
3147 1 : CPLError(CE_Failure, CPLE_NotSupported,
3148 : "Cannot modify geotransform once set");
3149 1 : return CE_Failure;
3150 : }
3151 188 : if (gt[2] != 0.0 || gt[4] != 0 || gt[5] > 0.0)
3152 : {
3153 0 : CPLError(CE_Failure, CPLE_NotSupported,
3154 : "Only north-up non rotated geotransform supported");
3155 0 : return CE_Failure;
3156 : }
3157 :
3158 188 : if (m_nZoomLevel < 0)
3159 : {
3160 187 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3161 187 : if (poTS)
3162 : {
3163 20 : double dfPixelXSizeZoomLevel0 = poTS->dfPixelXSizeZoomLevel0;
3164 20 : double dfPixelYSizeZoomLevel0 = poTS->dfPixelYSizeZoomLevel0;
3165 199 : for (m_nZoomLevel = 0; m_nZoomLevel < MAX_ZOOM_LEVEL;
3166 179 : m_nZoomLevel++)
3167 : {
3168 198 : double dfExpectedPixelXSize =
3169 198 : dfPixelXSizeZoomLevel0 / (1 << m_nZoomLevel);
3170 198 : double dfExpectedPixelYSize =
3171 198 : dfPixelYSizeZoomLevel0 / (1 << m_nZoomLevel);
3172 198 : if (fabs(gt[1] - dfExpectedPixelXSize) <
3173 217 : 1e-8 * dfExpectedPixelXSize &&
3174 19 : fabs(fabs(gt[5]) - dfExpectedPixelYSize) <
3175 19 : 1e-8 * dfExpectedPixelYSize)
3176 : {
3177 19 : break;
3178 : }
3179 : }
3180 20 : if (m_nZoomLevel == MAX_ZOOM_LEVEL)
3181 : {
3182 1 : m_nZoomLevel = -1;
3183 1 : CPLError(
3184 : CE_Failure, CPLE_NotSupported,
3185 : "Could not find an appropriate zoom level of %s tiling "
3186 : "scheme that matches raster pixel size",
3187 : m_osTilingScheme.c_str());
3188 1 : return CE_Failure;
3189 : }
3190 : }
3191 : }
3192 :
3193 187 : m_gt = gt;
3194 187 : m_bGeoTransformValid = true;
3195 :
3196 187 : return FinalizeRasterRegistration();
3197 : }
3198 :
3199 : /************************************************************************/
3200 : /* FinalizeRasterRegistration() */
3201 : /************************************************************************/
3202 :
3203 187 : CPLErr GDALGeoPackageDataset::FinalizeRasterRegistration()
3204 : {
3205 : OGRErr eErr;
3206 :
3207 187 : m_dfTMSMinX = m_gt[0];
3208 187 : m_dfTMSMaxY = m_gt[3];
3209 :
3210 : int nTileWidth, nTileHeight;
3211 187 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3212 :
3213 187 : if (m_nZoomLevel < 0)
3214 : {
3215 167 : m_nZoomLevel = 0;
3216 241 : while ((nRasterXSize >> m_nZoomLevel) > nTileWidth ||
3217 167 : (nRasterYSize >> m_nZoomLevel) > nTileHeight)
3218 74 : m_nZoomLevel++;
3219 : }
3220 :
3221 187 : double dfPixelXSizeZoomLevel0 = m_gt[1] * (1 << m_nZoomLevel);
3222 187 : double dfPixelYSizeZoomLevel0 = fabs(m_gt[5]) * (1 << m_nZoomLevel);
3223 : int nTileXCountZoomLevel0 =
3224 187 : std::max(1, DIV_ROUND_UP((nRasterXSize >> m_nZoomLevel), nTileWidth));
3225 : int nTileYCountZoomLevel0 =
3226 187 : std::max(1, DIV_ROUND_UP((nRasterYSize >> m_nZoomLevel), nTileHeight));
3227 :
3228 374 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3229 187 : if (poTS)
3230 : {
3231 20 : CPLAssert(m_nZoomLevel >= 0);
3232 20 : m_dfTMSMinX = poTS->dfMinX;
3233 20 : m_dfTMSMaxY = poTS->dfMaxY;
3234 20 : dfPixelXSizeZoomLevel0 = poTS->dfPixelXSizeZoomLevel0;
3235 20 : dfPixelYSizeZoomLevel0 = poTS->dfPixelYSizeZoomLevel0;
3236 20 : nTileXCountZoomLevel0 = poTS->nTileXCountZoomLevel0;
3237 20 : nTileYCountZoomLevel0 = poTS->nTileYCountZoomLevel0;
3238 : }
3239 187 : m_nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << m_nZoomLevel);
3240 187 : m_nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << m_nZoomLevel);
3241 :
3242 187 : if (!ComputeTileAndPixelShifts())
3243 : {
3244 1 : CPLError(CE_Failure, CPLE_AppDefined,
3245 : "Overflow occurred in ComputeTileAndPixelShifts()");
3246 1 : return CE_Failure;
3247 : }
3248 :
3249 186 : if (!AllocCachedTiles())
3250 : {
3251 0 : return CE_Failure;
3252 : }
3253 :
3254 186 : double dfGDALMinX = m_gt[0];
3255 186 : double dfGDALMinY = m_gt[3] + nRasterYSize * m_gt[5];
3256 186 : double dfGDALMaxX = m_gt[0] + nRasterXSize * m_gt[1];
3257 186 : double dfGDALMaxY = m_gt[3];
3258 :
3259 186 : if (SoftStartTransaction() != OGRERR_NONE)
3260 0 : return CE_Failure;
3261 :
3262 : const char *pszCurrentDate =
3263 186 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3264 : CPLString osInsertGpkgContentsFormatting(
3265 : "INSERT INTO gpkg_contents "
3266 : "(table_name,data_type,identifier,description,min_x,min_y,max_x,max_y,"
3267 : "last_change,srs_id) VALUES "
3268 372 : "('%q','%q','%q','%q',%.17g,%.17g,%.17g,%.17g,");
3269 186 : osInsertGpkgContentsFormatting += (pszCurrentDate) ? "'%q'" : "%s";
3270 186 : osInsertGpkgContentsFormatting += ",%d)";
3271 372 : char *pszSQL = sqlite3_mprintf(
3272 : osInsertGpkgContentsFormatting.c_str(), m_osRasterTable.c_str(),
3273 186 : (m_eDT == GDT_Byte) ? "tiles" : "2d-gridded-coverage",
3274 : m_osIdentifier.c_str(), m_osDescription.c_str(), dfGDALMinX, dfGDALMinY,
3275 : dfGDALMaxX, dfGDALMaxY,
3276 : pszCurrentDate ? pszCurrentDate
3277 : : "strftime('%Y-%m-%dT%H:%M:%fZ','now')",
3278 : m_nSRID);
3279 :
3280 186 : eErr = SQLCommand(hDB, pszSQL);
3281 186 : sqlite3_free(pszSQL);
3282 186 : if (eErr != OGRERR_NONE)
3283 : {
3284 8 : SoftRollbackTransaction();
3285 8 : return CE_Failure;
3286 : }
3287 :
3288 178 : double dfTMSMaxX = m_dfTMSMinX + nTileXCountZoomLevel0 * nTileWidth *
3289 : dfPixelXSizeZoomLevel0;
3290 178 : double dfTMSMinY = m_dfTMSMaxY - nTileYCountZoomLevel0 * nTileHeight *
3291 : dfPixelYSizeZoomLevel0;
3292 :
3293 : pszSQL =
3294 178 : sqlite3_mprintf("INSERT INTO gpkg_tile_matrix_set "
3295 : "(table_name,srs_id,min_x,min_y,max_x,max_y) VALUES "
3296 : "('%q',%d,%.17g,%.17g,%.17g,%.17g)",
3297 : m_osRasterTable.c_str(), m_nSRID, m_dfTMSMinX,
3298 : dfTMSMinY, dfTMSMaxX, m_dfTMSMaxY);
3299 178 : eErr = SQLCommand(hDB, pszSQL);
3300 178 : sqlite3_free(pszSQL);
3301 178 : if (eErr != OGRERR_NONE)
3302 : {
3303 0 : SoftRollbackTransaction();
3304 0 : return CE_Failure;
3305 : }
3306 :
3307 178 : m_apoOverviewDS.resize(m_nZoomLevel);
3308 :
3309 591 : for (int i = 0; i <= m_nZoomLevel; i++)
3310 : {
3311 413 : double dfPixelXSizeZoomLevel = 0.0;
3312 413 : double dfPixelYSizeZoomLevel = 0.0;
3313 413 : int nTileMatrixWidth = 0;
3314 413 : int nTileMatrixHeight = 0;
3315 413 : if (EQUAL(m_osTilingScheme, "CUSTOM"))
3316 : {
3317 232 : dfPixelXSizeZoomLevel = m_gt[1] * (1 << (m_nZoomLevel - i));
3318 232 : dfPixelYSizeZoomLevel = fabs(m_gt[5]) * (1 << (m_nZoomLevel - i));
3319 : }
3320 : else
3321 : {
3322 181 : dfPixelXSizeZoomLevel = dfPixelXSizeZoomLevel0 / (1 << i);
3323 181 : dfPixelYSizeZoomLevel = dfPixelYSizeZoomLevel0 / (1 << i);
3324 : }
3325 413 : nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << i);
3326 413 : nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << i);
3327 :
3328 413 : pszSQL = sqlite3_mprintf(
3329 : "INSERT INTO gpkg_tile_matrix "
3330 : "(table_name,zoom_level,matrix_width,matrix_height,tile_width,tile_"
3331 : "height,pixel_x_size,pixel_y_size) VALUES "
3332 : "('%q',%d,%d,%d,%d,%d,%.17g,%.17g)",
3333 : m_osRasterTable.c_str(), i, nTileMatrixWidth, nTileMatrixHeight,
3334 : nTileWidth, nTileHeight, dfPixelXSizeZoomLevel,
3335 : dfPixelYSizeZoomLevel);
3336 413 : eErr = SQLCommand(hDB, pszSQL);
3337 413 : sqlite3_free(pszSQL);
3338 413 : if (eErr != OGRERR_NONE)
3339 : {
3340 0 : SoftRollbackTransaction();
3341 0 : return CE_Failure;
3342 : }
3343 :
3344 413 : if (i < m_nZoomLevel)
3345 : {
3346 470 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3347 235 : poOvrDS->ShareLockWithParentDataset(this);
3348 235 : poOvrDS->InitRaster(this, m_osRasterTable, i, nBands, m_dfTMSMinX,
3349 : m_dfTMSMaxY, dfPixelXSizeZoomLevel,
3350 : dfPixelYSizeZoomLevel, nTileWidth, nTileHeight,
3351 : nTileMatrixWidth, nTileMatrixHeight, dfGDALMinX,
3352 : dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
3353 :
3354 235 : m_apoOverviewDS[m_nZoomLevel - 1 - i] = std::move(poOvrDS);
3355 : }
3356 : }
3357 :
3358 178 : if (!m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.empty())
3359 : {
3360 40 : eErr = SQLCommand(
3361 : hDB, m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.c_str());
3362 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.clear();
3363 40 : if (eErr != OGRERR_NONE)
3364 : {
3365 0 : SoftRollbackTransaction();
3366 0 : return CE_Failure;
3367 : }
3368 : }
3369 :
3370 178 : SoftCommitTransaction();
3371 :
3372 178 : m_apoOverviewDS.resize(m_nZoomLevel);
3373 178 : m_bRecordInsertedInGPKGContent = true;
3374 :
3375 178 : return CE_None;
3376 : }
3377 :
3378 : /************************************************************************/
3379 : /* FlushCache() */
3380 : /************************************************************************/
3381 :
3382 2773 : CPLErr GDALGeoPackageDataset::FlushCache(bool bAtClosing)
3383 : {
3384 2773 : if (m_bInFlushCache)
3385 0 : return CE_None;
3386 :
3387 2773 : if (eAccess == GA_Update || !m_bMetadataDirty)
3388 : {
3389 2770 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3390 : }
3391 :
3392 2773 : if (m_bRemoveOGREmptyTable)
3393 : {
3394 738 : m_bRemoveOGREmptyTable = false;
3395 738 : RemoveOGREmptyTable();
3396 : }
3397 :
3398 2773 : CPLErr eErr = IFlushCacheWithErrCode(bAtClosing);
3399 :
3400 2773 : FlushMetadata();
3401 :
3402 2773 : if (eAccess == GA_Update || !m_bMetadataDirty)
3403 : {
3404 : // Needed again as above IFlushCacheWithErrCode()
3405 : // may have call GDALGeoPackageRasterBand::InvalidateStatistics()
3406 : // which modifies metadata
3407 2773 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3408 : }
3409 :
3410 2773 : return eErr;
3411 : }
3412 :
3413 5008 : CPLErr GDALGeoPackageDataset::IFlushCacheWithErrCode(bool bAtClosing)
3414 :
3415 : {
3416 5008 : if (m_bInFlushCache)
3417 2168 : return CE_None;
3418 2840 : m_bInFlushCache = true;
3419 2840 : if (hDB && eAccess == GA_ReadOnly && bAtClosing)
3420 : {
3421 : // Clean-up metadata that will go to PAM by removing items that
3422 : // are reconstructed.
3423 2056 : CPLStringList aosMD;
3424 1651 : for (CSLConstList papszIter = GetMetadata(); papszIter && *papszIter;
3425 : ++papszIter)
3426 : {
3427 623 : char *pszKey = nullptr;
3428 623 : CPLParseNameValue(*papszIter, &pszKey);
3429 1246 : if (pszKey &&
3430 623 : (EQUAL(pszKey, "AREA_OR_POINT") ||
3431 477 : EQUAL(pszKey, "IDENTIFIER") || EQUAL(pszKey, "DESCRIPTION") ||
3432 256 : EQUAL(pszKey, "ZOOM_LEVEL") ||
3433 653 : STARTS_WITH(pszKey, "GPKG_METADATA_ITEM_")))
3434 : {
3435 : // remove it
3436 : }
3437 : else
3438 : {
3439 30 : aosMD.AddString(*papszIter);
3440 : }
3441 623 : CPLFree(pszKey);
3442 : }
3443 1028 : oMDMD.SetMetadata(aosMD.List());
3444 1028 : oMDMD.SetMetadata(nullptr, "IMAGE_STRUCTURE");
3445 :
3446 2056 : GDALPamDataset::FlushCache(bAtClosing);
3447 : }
3448 : else
3449 : {
3450 : // Short circuit GDALPamDataset to avoid serialization to .aux.xml
3451 1812 : GDALDataset::FlushCache(bAtClosing);
3452 : }
3453 :
3454 6944 : for (auto &poLayer : m_apoLayers)
3455 : {
3456 4104 : poLayer->RunDeferredCreationIfNecessary();
3457 4104 : poLayer->CreateSpatialIndexIfNecessary();
3458 : }
3459 :
3460 : // Update raster table last_change column in gpkg_contents if needed
3461 2840 : if (m_bHasModifiedTiles)
3462 : {
3463 540 : for (int i = 1; i <= nBands; ++i)
3464 : {
3465 : auto poBand =
3466 359 : cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(i));
3467 359 : if (!poBand->HaveStatsMetadataBeenSetInThisSession())
3468 : {
3469 346 : poBand->InvalidateStatistics();
3470 346 : if (psPam && psPam->pszPamFilename)
3471 346 : VSIUnlink(psPam->pszPamFilename);
3472 : }
3473 : }
3474 :
3475 181 : UpdateGpkgContentsLastChange(m_osRasterTable);
3476 :
3477 181 : m_bHasModifiedTiles = false;
3478 : }
3479 :
3480 2840 : CPLErr eErr = FlushTiles();
3481 :
3482 2840 : m_bInFlushCache = false;
3483 2840 : return eErr;
3484 : }
3485 :
3486 : /************************************************************************/
3487 : /* GetCurrentDateEscapedSQL() */
3488 : /************************************************************************/
3489 :
3490 2080 : std::string GDALGeoPackageDataset::GetCurrentDateEscapedSQL()
3491 : {
3492 : const char *pszCurrentDate =
3493 2080 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3494 2080 : if (pszCurrentDate)
3495 10 : return '\'' + SQLEscapeLiteral(pszCurrentDate) + '\'';
3496 2075 : return "strftime('%Y-%m-%dT%H:%M:%fZ','now')";
3497 : }
3498 :
3499 : /************************************************************************/
3500 : /* UpdateGpkgContentsLastChange() */
3501 : /************************************************************************/
3502 :
3503 : OGRErr
3504 909 : GDALGeoPackageDataset::UpdateGpkgContentsLastChange(const char *pszTableName)
3505 : {
3506 : char *pszSQL =
3507 909 : sqlite3_mprintf("UPDATE gpkg_contents SET "
3508 : "last_change = %s "
3509 : "WHERE lower(table_name) = lower('%q')",
3510 1818 : GetCurrentDateEscapedSQL().c_str(), pszTableName);
3511 909 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3512 909 : sqlite3_free(pszSQL);
3513 909 : return eErr;
3514 : }
3515 :
3516 : /************************************************************************/
3517 : /* IBuildOverviews() */
3518 : /************************************************************************/
3519 :
3520 20 : CPLErr GDALGeoPackageDataset::IBuildOverviews(
3521 : const char *pszResampling, int nOverviews, const int *panOverviewList,
3522 : int nBandsIn, const int * /*panBandList*/, GDALProgressFunc pfnProgress,
3523 : void *pProgressData, CSLConstList papszOptions)
3524 : {
3525 20 : if (GetAccess() != GA_Update)
3526 : {
3527 1 : CPLError(CE_Failure, CPLE_NotSupported,
3528 : "Overview building not supported on a database opened in "
3529 : "read-only mode");
3530 1 : return CE_Failure;
3531 : }
3532 19 : if (m_poParentDS != nullptr)
3533 : {
3534 1 : CPLError(CE_Failure, CPLE_NotSupported,
3535 : "Overview building not supported on overview dataset");
3536 1 : return CE_Failure;
3537 : }
3538 :
3539 18 : if (nOverviews == 0)
3540 : {
3541 5 : for (auto &poOvrDS : m_apoOverviewDS)
3542 3 : poOvrDS->FlushCache(false);
3543 :
3544 2 : SoftStartTransaction();
3545 :
3546 2 : if (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT)
3547 : {
3548 1 : char *pszSQL = sqlite3_mprintf(
3549 : "DELETE FROM gpkg_2d_gridded_tile_ancillary WHERE id IN "
3550 : "(SELECT y.id FROM \"%w\" x "
3551 : "JOIN gpkg_2d_gridded_tile_ancillary y "
3552 : "ON x.id = y.tpudt_id AND y.tpudt_name = '%q' AND "
3553 : "x.zoom_level < %d)",
3554 : m_osRasterTable.c_str(), m_osRasterTable.c_str(), m_nZoomLevel);
3555 1 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3556 1 : sqlite3_free(pszSQL);
3557 1 : if (eErr != OGRERR_NONE)
3558 : {
3559 0 : SoftRollbackTransaction();
3560 0 : return CE_Failure;
3561 : }
3562 : }
3563 :
3564 : char *pszSQL =
3565 2 : sqlite3_mprintf("DELETE FROM \"%w\" WHERE zoom_level < %d",
3566 : m_osRasterTable.c_str(), m_nZoomLevel);
3567 2 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3568 2 : sqlite3_free(pszSQL);
3569 2 : if (eErr != OGRERR_NONE)
3570 : {
3571 0 : SoftRollbackTransaction();
3572 0 : return CE_Failure;
3573 : }
3574 :
3575 2 : SoftCommitTransaction();
3576 :
3577 2 : return CE_None;
3578 : }
3579 :
3580 16 : if (nBandsIn != nBands)
3581 : {
3582 0 : CPLError(CE_Failure, CPLE_NotSupported,
3583 : "Generation of overviews in GPKG only"
3584 : "supported when operating on all bands.");
3585 0 : return CE_Failure;
3586 : }
3587 :
3588 16 : if (m_apoOverviewDS.empty())
3589 : {
3590 0 : CPLError(CE_Failure, CPLE_AppDefined,
3591 : "Image too small to support overviews");
3592 0 : return CE_Failure;
3593 : }
3594 :
3595 16 : FlushCache(false);
3596 60 : for (int i = 0; i < nOverviews; i++)
3597 : {
3598 47 : if (panOverviewList[i] < 2)
3599 : {
3600 1 : CPLError(CE_Failure, CPLE_IllegalArg,
3601 : "Overview factor must be >= 2");
3602 1 : return CE_Failure;
3603 : }
3604 :
3605 46 : bool bFound = false;
3606 46 : int jCandidate = -1;
3607 46 : int nMaxOvFactor = 0;
3608 196 : for (int j = 0; j < static_cast<int>(m_apoOverviewDS.size()); j++)
3609 : {
3610 190 : const auto poODS = m_apoOverviewDS[j].get();
3611 : const int nOvFactor =
3612 190 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3613 :
3614 190 : nMaxOvFactor = nOvFactor;
3615 :
3616 190 : if (nOvFactor == panOverviewList[i])
3617 : {
3618 40 : bFound = true;
3619 40 : break;
3620 : }
3621 :
3622 150 : if (jCandidate < 0 && nOvFactor > panOverviewList[i])
3623 1 : jCandidate = j;
3624 : }
3625 :
3626 46 : if (!bFound)
3627 : {
3628 : /* Mostly for debug */
3629 6 : if (!CPLTestBool(CPLGetConfigOption(
3630 : "ALLOW_GPKG_ZOOM_OTHER_EXTENSION", "YES")))
3631 : {
3632 2 : CPLString osOvrList;
3633 4 : for (const auto &poODS : m_apoOverviewDS)
3634 : {
3635 : const int nOvFactor =
3636 2 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3637 :
3638 2 : if (!osOvrList.empty())
3639 0 : osOvrList += ' ';
3640 2 : osOvrList += CPLSPrintf("%d", nOvFactor);
3641 : }
3642 2 : CPLError(CE_Failure, CPLE_NotSupported,
3643 : "Only overviews %s can be computed",
3644 : osOvrList.c_str());
3645 2 : return CE_Failure;
3646 : }
3647 : else
3648 : {
3649 4 : int nOvFactor = panOverviewList[i];
3650 4 : if (jCandidate < 0)
3651 3 : jCandidate = static_cast<int>(m_apoOverviewDS.size());
3652 :
3653 4 : int nOvXSize = std::max(1, GetRasterXSize() / nOvFactor);
3654 4 : int nOvYSize = std::max(1, GetRasterYSize() / nOvFactor);
3655 4 : if (!(jCandidate == static_cast<int>(m_apoOverviewDS.size()) &&
3656 5 : nOvFactor == 2 * nMaxOvFactor) &&
3657 1 : !m_bZoomOther)
3658 : {
3659 1 : CPLError(CE_Warning, CPLE_AppDefined,
3660 : "Use of overview factor %d causes gpkg_zoom_other "
3661 : "extension to be needed",
3662 : nOvFactor);
3663 1 : RegisterZoomOtherExtension();
3664 1 : m_bZoomOther = true;
3665 : }
3666 :
3667 4 : SoftStartTransaction();
3668 :
3669 4 : CPLAssert(jCandidate > 0);
3670 : const int nNewZoomLevel =
3671 4 : m_apoOverviewDS[jCandidate - 1]->m_nZoomLevel;
3672 :
3673 : char *pszSQL;
3674 : OGRErr eErr;
3675 24 : for (int k = 0; k <= jCandidate; k++)
3676 : {
3677 60 : pszSQL = sqlite3_mprintf(
3678 : "UPDATE gpkg_tile_matrix SET zoom_level = %d "
3679 : "WHERE lower(table_name) = lower('%q') AND zoom_level "
3680 : "= %d",
3681 20 : m_nZoomLevel - k + 1, m_osRasterTable.c_str(),
3682 20 : m_nZoomLevel - k);
3683 20 : eErr = SQLCommand(hDB, pszSQL);
3684 20 : sqlite3_free(pszSQL);
3685 20 : if (eErr != OGRERR_NONE)
3686 : {
3687 0 : SoftRollbackTransaction();
3688 0 : return CE_Failure;
3689 : }
3690 :
3691 : pszSQL =
3692 20 : sqlite3_mprintf("UPDATE \"%w\" SET zoom_level = %d "
3693 : "WHERE zoom_level = %d",
3694 : m_osRasterTable.c_str(),
3695 20 : m_nZoomLevel - k + 1, m_nZoomLevel - k);
3696 20 : eErr = SQLCommand(hDB, pszSQL);
3697 20 : sqlite3_free(pszSQL);
3698 20 : if (eErr != OGRERR_NONE)
3699 : {
3700 0 : SoftRollbackTransaction();
3701 0 : return CE_Failure;
3702 : }
3703 : }
3704 :
3705 4 : double dfGDALMinX = m_gt[0];
3706 4 : double dfGDALMinY = m_gt[3] + nRasterYSize * m_gt[5];
3707 4 : double dfGDALMaxX = m_gt[0] + nRasterXSize * m_gt[1];
3708 4 : double dfGDALMaxY = m_gt[3];
3709 4 : double dfPixelXSizeZoomLevel = m_gt[1] * nOvFactor;
3710 4 : double dfPixelYSizeZoomLevel = fabs(m_gt[5]) * nOvFactor;
3711 : int nTileWidth, nTileHeight;
3712 4 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3713 4 : int nTileMatrixWidth = DIV_ROUND_UP(nOvXSize, nTileWidth);
3714 4 : int nTileMatrixHeight = DIV_ROUND_UP(nOvYSize, nTileHeight);
3715 4 : pszSQL = sqlite3_mprintf(
3716 : "INSERT INTO gpkg_tile_matrix "
3717 : "(table_name,zoom_level,matrix_width,matrix_height,tile_"
3718 : "width,tile_height,pixel_x_size,pixel_y_size) VALUES "
3719 : "('%q',%d,%d,%d,%d,%d,%.17g,%.17g)",
3720 : m_osRasterTable.c_str(), nNewZoomLevel, nTileMatrixWidth,
3721 : nTileMatrixHeight, nTileWidth, nTileHeight,
3722 : dfPixelXSizeZoomLevel, dfPixelYSizeZoomLevel);
3723 4 : eErr = SQLCommand(hDB, pszSQL);
3724 4 : sqlite3_free(pszSQL);
3725 4 : if (eErr != OGRERR_NONE)
3726 : {
3727 0 : SoftRollbackTransaction();
3728 0 : return CE_Failure;
3729 : }
3730 :
3731 4 : SoftCommitTransaction();
3732 :
3733 4 : m_nZoomLevel++; /* this change our zoom level as well as
3734 : previous overviews */
3735 20 : for (int k = 0; k < jCandidate; k++)
3736 16 : m_apoOverviewDS[k]->m_nZoomLevel++;
3737 :
3738 4 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3739 4 : poOvrDS->ShareLockWithParentDataset(this);
3740 4 : poOvrDS->InitRaster(
3741 : this, m_osRasterTable, nNewZoomLevel, nBands, m_dfTMSMinX,
3742 : m_dfTMSMaxY, dfPixelXSizeZoomLevel, dfPixelYSizeZoomLevel,
3743 : nTileWidth, nTileHeight, nTileMatrixWidth,
3744 : nTileMatrixHeight, dfGDALMinX, dfGDALMinY, dfGDALMaxX,
3745 : dfGDALMaxY);
3746 4 : m_apoOverviewDS.insert(m_apoOverviewDS.begin() + jCandidate,
3747 8 : std::move(poOvrDS));
3748 : }
3749 : }
3750 : }
3751 :
3752 : GDALRasterBand ***papapoOverviewBands = static_cast<GDALRasterBand ***>(
3753 13 : CPLCalloc(sizeof(GDALRasterBand **), nBands));
3754 13 : CPLErr eErr = CE_None;
3755 49 : for (int iBand = 0; eErr == CE_None && iBand < nBands; iBand++)
3756 : {
3757 72 : papapoOverviewBands[iBand] = static_cast<GDALRasterBand **>(
3758 36 : CPLCalloc(sizeof(GDALRasterBand *), nOverviews));
3759 36 : int iCurOverview = 0;
3760 185 : for (int i = 0; i < nOverviews; i++)
3761 : {
3762 149 : bool bFound = false;
3763 724 : for (const auto &poODS : m_apoOverviewDS)
3764 : {
3765 : const int nOvFactor =
3766 724 : static_cast<int>(0.5 + poODS->m_gt[1] / m_gt[1]);
3767 :
3768 724 : if (nOvFactor == panOverviewList[i])
3769 : {
3770 298 : papapoOverviewBands[iBand][iCurOverview] =
3771 149 : poODS->GetRasterBand(iBand + 1);
3772 149 : iCurOverview++;
3773 149 : bFound = true;
3774 149 : break;
3775 : }
3776 : }
3777 149 : if (!bFound)
3778 : {
3779 0 : CPLError(CE_Failure, CPLE_AppDefined,
3780 : "Could not find dataset corresponding to ov factor %d",
3781 0 : panOverviewList[i]);
3782 0 : eErr = CE_Failure;
3783 : }
3784 : }
3785 36 : if (eErr == CE_None)
3786 : {
3787 36 : CPLAssert(iCurOverview == nOverviews);
3788 : }
3789 : }
3790 :
3791 13 : if (eErr == CE_None)
3792 13 : eErr = GDALRegenerateOverviewsMultiBand(
3793 13 : nBands, papoBands, nOverviews, papapoOverviewBands, pszResampling,
3794 : pfnProgress, pProgressData, papszOptions);
3795 :
3796 49 : for (int iBand = 0; iBand < nBands; iBand++)
3797 : {
3798 36 : CPLFree(papapoOverviewBands[iBand]);
3799 : }
3800 13 : CPLFree(papapoOverviewBands);
3801 :
3802 13 : return eErr;
3803 : }
3804 :
3805 : /************************************************************************/
3806 : /* GetFileList() */
3807 : /************************************************************************/
3808 :
3809 38 : char **GDALGeoPackageDataset::GetFileList()
3810 : {
3811 38 : TryLoadXML();
3812 38 : return GDALPamDataset::GetFileList();
3813 : }
3814 :
3815 : /************************************************************************/
3816 : /* GetMetadataDomainList() */
3817 : /************************************************************************/
3818 :
3819 46 : char **GDALGeoPackageDataset::GetMetadataDomainList()
3820 : {
3821 46 : GetMetadata();
3822 46 : if (!m_osRasterTable.empty())
3823 5 : GetMetadata("GEOPACKAGE");
3824 46 : return BuildMetadataDomainList(GDALPamDataset::GetMetadataDomainList(),
3825 46 : TRUE, "SUBDATASETS", nullptr);
3826 : }
3827 :
3828 : /************************************************************************/
3829 : /* CheckMetadataDomain() */
3830 : /************************************************************************/
3831 :
3832 5916 : const char *GDALGeoPackageDataset::CheckMetadataDomain(const char *pszDomain)
3833 : {
3834 6101 : if (pszDomain != nullptr && EQUAL(pszDomain, "GEOPACKAGE") &&
3835 185 : m_osRasterTable.empty())
3836 : {
3837 4 : CPLError(
3838 : CE_Warning, CPLE_IllegalArg,
3839 : "Using GEOPACKAGE for a non-raster geopackage is not supported. "
3840 : "Using default domain instead");
3841 4 : return nullptr;
3842 : }
3843 5912 : return pszDomain;
3844 : }
3845 :
3846 : /************************************************************************/
3847 : /* HasMetadataTables() */
3848 : /************************************************************************/
3849 :
3850 5602 : bool GDALGeoPackageDataset::HasMetadataTables() const
3851 : {
3852 5602 : if (m_nHasMetadataTables < 0)
3853 : {
3854 : const int nCount =
3855 2127 : SQLGetInteger(hDB,
3856 : "SELECT COUNT(*) FROM sqlite_master WHERE name IN "
3857 : "('gpkg_metadata', 'gpkg_metadata_reference') "
3858 : "AND type IN ('table', 'view')",
3859 : nullptr);
3860 2127 : m_nHasMetadataTables = nCount == 2;
3861 : }
3862 5602 : return CPL_TO_BOOL(m_nHasMetadataTables);
3863 : }
3864 :
3865 : /************************************************************************/
3866 : /* HasDataColumnsTable() */
3867 : /************************************************************************/
3868 :
3869 1264 : bool GDALGeoPackageDataset::HasDataColumnsTable() const
3870 : {
3871 2528 : const int nCount = SQLGetInteger(
3872 1264 : hDB,
3873 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_data_columns'"
3874 : "AND type IN ('table', 'view')",
3875 : nullptr);
3876 1264 : return nCount == 1;
3877 : }
3878 :
3879 : /************************************************************************/
3880 : /* HasDataColumnConstraintsTable() */
3881 : /************************************************************************/
3882 :
3883 158 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTable() const
3884 : {
3885 158 : const int nCount = SQLGetInteger(hDB,
3886 : "SELECT 1 FROM sqlite_master WHERE name = "
3887 : "'gpkg_data_column_constraints'"
3888 : "AND type IN ('table', 'view')",
3889 : nullptr);
3890 158 : return nCount == 1;
3891 : }
3892 :
3893 : /************************************************************************/
3894 : /* HasDataColumnConstraintsTableGPKG_1_0() */
3895 : /************************************************************************/
3896 :
3897 109 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTableGPKG_1_0() const
3898 : {
3899 109 : if (m_nApplicationId != GP10_APPLICATION_ID)
3900 107 : return false;
3901 : // In GPKG 1.0, the columns were named minIsInclusive, maxIsInclusive
3902 : // They were changed in 1.1 to min_is_inclusive, max_is_inclusive
3903 2 : bool bRet = false;
3904 2 : sqlite3_stmt *hSQLStmt = nullptr;
3905 2 : int rc = sqlite3_prepare_v2(hDB,
3906 : "SELECT minIsInclusive, maxIsInclusive FROM "
3907 : "gpkg_data_column_constraints",
3908 : -1, &hSQLStmt, nullptr);
3909 2 : if (rc == SQLITE_OK)
3910 : {
3911 2 : bRet = true;
3912 2 : sqlite3_finalize(hSQLStmt);
3913 : }
3914 2 : return bRet;
3915 : }
3916 :
3917 : /************************************************************************/
3918 : /* CreateColumnsTableAndColumnConstraintsTablesIfNecessary() */
3919 : /************************************************************************/
3920 :
3921 50 : bool GDALGeoPackageDataset::
3922 : CreateColumnsTableAndColumnConstraintsTablesIfNecessary()
3923 : {
3924 50 : if (!HasDataColumnsTable())
3925 : {
3926 : // Geopackage < 1.3 had
3927 : // CONSTRAINT fk_gdc_tn FOREIGN KEY (table_name) REFERENCES
3928 : // gpkg_contents(table_name) instead of the unique constraint.
3929 10 : if (OGRERR_NONE !=
3930 10 : SQLCommand(
3931 : GetDB(),
3932 : "CREATE TABLE gpkg_data_columns ("
3933 : "table_name TEXT NOT NULL,"
3934 : "column_name TEXT NOT NULL,"
3935 : "name TEXT,"
3936 : "title TEXT,"
3937 : "description TEXT,"
3938 : "mime_type TEXT,"
3939 : "constraint_name TEXT,"
3940 : "CONSTRAINT pk_gdc PRIMARY KEY (table_name, column_name),"
3941 : "CONSTRAINT gdc_tn UNIQUE (table_name, name));"))
3942 : {
3943 0 : return false;
3944 : }
3945 : }
3946 50 : if (!HasDataColumnConstraintsTable())
3947 : {
3948 22 : const char *min_is_inclusive = m_nApplicationId != GP10_APPLICATION_ID
3949 11 : ? "min_is_inclusive"
3950 : : "minIsInclusive";
3951 22 : const char *max_is_inclusive = m_nApplicationId != GP10_APPLICATION_ID
3952 11 : ? "max_is_inclusive"
3953 : : "maxIsInclusive";
3954 :
3955 : const std::string osSQL(
3956 : CPLSPrintf("CREATE TABLE gpkg_data_column_constraints ("
3957 : "constraint_name TEXT NOT NULL,"
3958 : "constraint_type TEXT NOT NULL,"
3959 : "value TEXT,"
3960 : "min NUMERIC,"
3961 : "%s BOOLEAN,"
3962 : "max NUMERIC,"
3963 : "%s BOOLEAN,"
3964 : "description TEXT,"
3965 : "CONSTRAINT gdcc_ntv UNIQUE (constraint_name, "
3966 : "constraint_type, value));",
3967 11 : min_is_inclusive, max_is_inclusive));
3968 11 : if (OGRERR_NONE != SQLCommand(GetDB(), osSQL.c_str()))
3969 : {
3970 0 : return false;
3971 : }
3972 : }
3973 50 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
3974 : {
3975 0 : return false;
3976 : }
3977 50 : if (SQLGetInteger(GetDB(),
3978 : "SELECT 1 FROM gpkg_extensions WHERE "
3979 : "table_name = 'gpkg_data_columns'",
3980 50 : nullptr) != 1)
3981 : {
3982 11 : if (OGRERR_NONE !=
3983 11 : SQLCommand(
3984 : GetDB(),
3985 : "INSERT INTO gpkg_extensions "
3986 : "(table_name,column_name,extension_name,definition,scope) "
3987 : "VALUES ('gpkg_data_columns', NULL, 'gpkg_schema', "
3988 : "'http://www.geopackage.org/spec121/#extension_schema', "
3989 : "'read-write')"))
3990 : {
3991 0 : return false;
3992 : }
3993 : }
3994 50 : if (SQLGetInteger(GetDB(),
3995 : "SELECT 1 FROM gpkg_extensions WHERE "
3996 : "table_name = 'gpkg_data_column_constraints'",
3997 50 : nullptr) != 1)
3998 : {
3999 11 : if (OGRERR_NONE !=
4000 11 : SQLCommand(
4001 : GetDB(),
4002 : "INSERT INTO gpkg_extensions "
4003 : "(table_name,column_name,extension_name,definition,scope) "
4004 : "VALUES ('gpkg_data_column_constraints', NULL, 'gpkg_schema', "
4005 : "'http://www.geopackage.org/spec121/#extension_schema', "
4006 : "'read-write')"))
4007 : {
4008 0 : return false;
4009 : }
4010 : }
4011 :
4012 50 : return true;
4013 : }
4014 :
4015 : /************************************************************************/
4016 : /* HasGpkgextRelationsTable() */
4017 : /************************************************************************/
4018 :
4019 1244 : bool GDALGeoPackageDataset::HasGpkgextRelationsTable() const
4020 : {
4021 2488 : const int nCount = SQLGetInteger(
4022 1244 : hDB,
4023 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkgext_relations'"
4024 : "AND type IN ('table', 'view')",
4025 : nullptr);
4026 1244 : return nCount == 1;
4027 : }
4028 :
4029 : /************************************************************************/
4030 : /* CreateRelationsTableIfNecessary() */
4031 : /************************************************************************/
4032 :
4033 9 : bool GDALGeoPackageDataset::CreateRelationsTableIfNecessary()
4034 : {
4035 9 : if (HasGpkgextRelationsTable())
4036 : {
4037 5 : return true;
4038 : }
4039 :
4040 4 : if (OGRERR_NONE !=
4041 4 : SQLCommand(GetDB(), "CREATE TABLE gpkgext_relations ("
4042 : "id INTEGER PRIMARY KEY AUTOINCREMENT,"
4043 : "base_table_name TEXT NOT NULL,"
4044 : "base_primary_column TEXT NOT NULL DEFAULT 'id',"
4045 : "related_table_name TEXT NOT NULL,"
4046 : "related_primary_column TEXT NOT NULL DEFAULT 'id',"
4047 : "relation_name TEXT NOT NULL,"
4048 : "mapping_table_name TEXT NOT NULL UNIQUE);"))
4049 : {
4050 0 : return false;
4051 : }
4052 :
4053 4 : return true;
4054 : }
4055 :
4056 : /************************************************************************/
4057 : /* HasQGISLayerStyles() */
4058 : /************************************************************************/
4059 :
4060 11 : bool GDALGeoPackageDataset::HasQGISLayerStyles() const
4061 : {
4062 : // QGIS layer_styles extension:
4063 : // https://github.com/pka/qgpkg/blob/master/qgis_geopackage_extension.md
4064 11 : bool bRet = false;
4065 : const int nCount =
4066 11 : SQLGetInteger(hDB,
4067 : "SELECT 1 FROM sqlite_master WHERE name = 'layer_styles'"
4068 : "AND type = 'table'",
4069 : nullptr);
4070 11 : if (nCount == 1)
4071 : {
4072 1 : sqlite3_stmt *hSQLStmt = nullptr;
4073 2 : int rc = sqlite3_prepare_v2(
4074 1 : hDB, "SELECT f_table_name, f_geometry_column FROM layer_styles", -1,
4075 : &hSQLStmt, nullptr);
4076 1 : if (rc == SQLITE_OK)
4077 : {
4078 1 : bRet = true;
4079 1 : sqlite3_finalize(hSQLStmt);
4080 : }
4081 : }
4082 11 : return bRet;
4083 : }
4084 :
4085 : /************************************************************************/
4086 : /* GetMetadata() */
4087 : /************************************************************************/
4088 :
4089 3883 : char **GDALGeoPackageDataset::GetMetadata(const char *pszDomain)
4090 :
4091 : {
4092 3883 : pszDomain = CheckMetadataDomain(pszDomain);
4093 3883 : if (pszDomain != nullptr && EQUAL(pszDomain, "SUBDATASETS"))
4094 66 : return m_aosSubDatasets.List();
4095 :
4096 3817 : if (m_bHasReadMetadataFromStorage)
4097 1757 : return GDALPamDataset::GetMetadata(pszDomain);
4098 :
4099 2060 : m_bHasReadMetadataFromStorage = true;
4100 :
4101 2060 : TryLoadXML();
4102 :
4103 2060 : if (!HasMetadataTables())
4104 1550 : return GDALPamDataset::GetMetadata(pszDomain);
4105 :
4106 510 : char *pszSQL = nullptr;
4107 510 : if (!m_osRasterTable.empty())
4108 : {
4109 170 : pszSQL = sqlite3_mprintf(
4110 : "SELECT md.metadata, md.md_standard_uri, md.mime_type, "
4111 : "mdr.reference_scope FROM gpkg_metadata md "
4112 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4113 : "WHERE "
4114 : "(mdr.reference_scope = 'geopackage' OR "
4115 : "(mdr.reference_scope = 'table' AND lower(mdr.table_name) = "
4116 : "lower('%q'))) ORDER BY md.id "
4117 : "LIMIT 1000", // to avoid denial of service
4118 : m_osRasterTable.c_str());
4119 : }
4120 : else
4121 : {
4122 340 : pszSQL = sqlite3_mprintf(
4123 : "SELECT md.metadata, md.md_standard_uri, md.mime_type, "
4124 : "mdr.reference_scope FROM gpkg_metadata md "
4125 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4126 : "WHERE "
4127 : "mdr.reference_scope = 'geopackage' ORDER BY md.id "
4128 : "LIMIT 1000" // to avoid denial of service
4129 : );
4130 : }
4131 :
4132 1020 : auto oResult = SQLQuery(hDB, pszSQL);
4133 510 : sqlite3_free(pszSQL);
4134 510 : if (!oResult)
4135 : {
4136 0 : return GDALPamDataset::GetMetadata(pszDomain);
4137 : }
4138 :
4139 510 : char **papszMetadata = CSLDuplicate(GDALPamDataset::GetMetadata());
4140 :
4141 : /* GDAL metadata */
4142 700 : for (int i = 0; i < oResult->RowCount(); i++)
4143 : {
4144 190 : const char *pszMetadata = oResult->GetValue(0, i);
4145 190 : const char *pszMDStandardURI = oResult->GetValue(1, i);
4146 190 : const char *pszMimeType = oResult->GetValue(2, i);
4147 190 : const char *pszReferenceScope = oResult->GetValue(3, i);
4148 190 : if (pszMetadata && pszMDStandardURI && pszMimeType &&
4149 190 : pszReferenceScope && EQUAL(pszMDStandardURI, "http://gdal.org") &&
4150 174 : EQUAL(pszMimeType, "text/xml"))
4151 : {
4152 174 : CPLXMLNode *psXMLNode = CPLParseXMLString(pszMetadata);
4153 174 : if (psXMLNode)
4154 : {
4155 348 : GDALMultiDomainMetadata oLocalMDMD;
4156 174 : oLocalMDMD.XMLInit(psXMLNode, FALSE);
4157 333 : if (!m_osRasterTable.empty() &&
4158 159 : EQUAL(pszReferenceScope, "geopackage"))
4159 : {
4160 6 : oMDMD.SetMetadata(oLocalMDMD.GetMetadata(), "GEOPACKAGE");
4161 : }
4162 : else
4163 : {
4164 : papszMetadata =
4165 168 : CSLMerge(papszMetadata, oLocalMDMD.GetMetadata());
4166 168 : CSLConstList papszDomainList = oLocalMDMD.GetDomainList();
4167 168 : CSLConstList papszIter = papszDomainList;
4168 447 : while (papszIter && *papszIter)
4169 : {
4170 279 : if (EQUAL(*papszIter, "IMAGE_STRUCTURE"))
4171 : {
4172 : CSLConstList papszMD =
4173 126 : oLocalMDMD.GetMetadata(*papszIter);
4174 : const char *pszBAND_COUNT =
4175 126 : CSLFetchNameValue(papszMD, "BAND_COUNT");
4176 126 : if (pszBAND_COUNT)
4177 124 : m_nBandCountFromMetadata = atoi(pszBAND_COUNT);
4178 :
4179 : const char *pszCOLOR_TABLE =
4180 126 : CSLFetchNameValue(papszMD, "COLOR_TABLE");
4181 126 : if (pszCOLOR_TABLE)
4182 : {
4183 : const CPLStringList aosTokens(
4184 : CSLTokenizeString2(pszCOLOR_TABLE, "{,",
4185 26 : 0));
4186 13 : if ((aosTokens.size() % 4) == 0)
4187 : {
4188 13 : const int nColors = aosTokens.size() / 4;
4189 : m_poCTFromMetadata =
4190 13 : std::make_unique<GDALColorTable>();
4191 3341 : for (int iColor = 0; iColor < nColors;
4192 : ++iColor)
4193 : {
4194 : GDALColorEntry sEntry;
4195 3328 : sEntry.c1 = static_cast<short>(
4196 3328 : atoi(aosTokens[4 * iColor + 0]));
4197 3328 : sEntry.c2 = static_cast<short>(
4198 3328 : atoi(aosTokens[4 * iColor + 1]));
4199 3328 : sEntry.c3 = static_cast<short>(
4200 3328 : atoi(aosTokens[4 * iColor + 2]));
4201 3328 : sEntry.c4 = static_cast<short>(
4202 3328 : atoi(aosTokens[4 * iColor + 3]));
4203 3328 : m_poCTFromMetadata->SetColorEntry(
4204 : iColor, &sEntry);
4205 : }
4206 : }
4207 : }
4208 :
4209 : const char *pszTILE_FORMAT =
4210 126 : CSLFetchNameValue(papszMD, "TILE_FORMAT");
4211 126 : if (pszTILE_FORMAT)
4212 : {
4213 8 : m_osTFFromMetadata = pszTILE_FORMAT;
4214 8 : oMDMD.SetMetadataItem("TILE_FORMAT",
4215 : pszTILE_FORMAT,
4216 : "IMAGE_STRUCTURE");
4217 : }
4218 :
4219 : const char *pszNodataValue =
4220 126 : CSLFetchNameValue(papszMD, "NODATA_VALUE");
4221 126 : if (pszNodataValue)
4222 : {
4223 2 : m_osNodataValueFromMetadata = pszNodataValue;
4224 : }
4225 : }
4226 :
4227 153 : else if (!EQUAL(*papszIter, "") &&
4228 16 : !STARTS_WITH(*papszIter, "BAND_"))
4229 : {
4230 12 : oMDMD.SetMetadata(
4231 6 : oLocalMDMD.GetMetadata(*papszIter), *papszIter);
4232 : }
4233 279 : papszIter++;
4234 : }
4235 : }
4236 174 : CPLDestroyXMLNode(psXMLNode);
4237 : }
4238 : }
4239 : }
4240 :
4241 510 : GDALPamDataset::SetMetadata(papszMetadata);
4242 510 : CSLDestroy(papszMetadata);
4243 510 : papszMetadata = nullptr;
4244 :
4245 : /* Add non-GDAL metadata now */
4246 510 : int nNonGDALMDILocal = 1;
4247 510 : int nNonGDALMDIGeopackage = 1;
4248 700 : for (int i = 0; i < oResult->RowCount(); i++)
4249 : {
4250 190 : const char *pszMetadata = oResult->GetValue(0, i);
4251 190 : const char *pszMDStandardURI = oResult->GetValue(1, i);
4252 190 : const char *pszMimeType = oResult->GetValue(2, i);
4253 190 : const char *pszReferenceScope = oResult->GetValue(3, i);
4254 190 : if (pszMetadata == nullptr || pszMDStandardURI == nullptr ||
4255 190 : pszMimeType == nullptr || pszReferenceScope == nullptr)
4256 : {
4257 : // should not happen as there are NOT NULL constraints
4258 : // But a database could lack such NOT NULL constraints or have
4259 : // large values that would cause a memory allocation failure.
4260 0 : continue;
4261 : }
4262 190 : int bIsGPKGScope = EQUAL(pszReferenceScope, "geopackage");
4263 190 : if (EQUAL(pszMDStandardURI, "http://gdal.org") &&
4264 174 : EQUAL(pszMimeType, "text/xml"))
4265 174 : continue;
4266 :
4267 16 : if (!m_osRasterTable.empty() && bIsGPKGScope)
4268 : {
4269 8 : oMDMD.SetMetadataItem(
4270 : CPLSPrintf("GPKG_METADATA_ITEM_%d", nNonGDALMDIGeopackage),
4271 : pszMetadata, "GEOPACKAGE");
4272 8 : nNonGDALMDIGeopackage++;
4273 : }
4274 : /*else if( strcmp( pszMDStandardURI, "http://www.isotc211.org/2005/gmd"
4275 : ) == 0 && strcmp( pszMimeType, "text/xml" ) == 0 )
4276 : {
4277 : char* apszMD[2];
4278 : apszMD[0] = (char*)pszMetadata;
4279 : apszMD[1] = NULL;
4280 : oMDMD.SetMetadata(apszMD, "xml:MD_Metadata");
4281 : }*/
4282 : else
4283 : {
4284 8 : oMDMD.SetMetadataItem(
4285 : CPLSPrintf("GPKG_METADATA_ITEM_%d", nNonGDALMDILocal),
4286 : pszMetadata);
4287 8 : nNonGDALMDILocal++;
4288 : }
4289 : }
4290 :
4291 510 : return GDALPamDataset::GetMetadata(pszDomain);
4292 : }
4293 :
4294 : /************************************************************************/
4295 : /* WriteMetadata() */
4296 : /************************************************************************/
4297 :
4298 724 : void GDALGeoPackageDataset::WriteMetadata(
4299 : CPLXMLNode *psXMLNode, /* will be destroyed by the method */
4300 : const char *pszTableName)
4301 : {
4302 724 : const bool bIsEmpty = (psXMLNode == nullptr);
4303 724 : if (!HasMetadataTables())
4304 : {
4305 524 : if (bIsEmpty || !CreateMetadataTables())
4306 : {
4307 239 : CPLDestroyXMLNode(psXMLNode);
4308 239 : return;
4309 : }
4310 : }
4311 :
4312 485 : char *pszXML = nullptr;
4313 485 : if (!bIsEmpty)
4314 : {
4315 : CPLXMLNode *psMasterXMLNode =
4316 332 : CPLCreateXMLNode(nullptr, CXT_Element, "GDALMultiDomainMetadata");
4317 332 : psMasterXMLNode->psChild = psXMLNode;
4318 332 : pszXML = CPLSerializeXMLTree(psMasterXMLNode);
4319 332 : CPLDestroyXMLNode(psMasterXMLNode);
4320 : }
4321 : // cppcheck-suppress uselessAssignmentPtrArg
4322 485 : psXMLNode = nullptr;
4323 :
4324 485 : char *pszSQL = nullptr;
4325 485 : if (pszTableName && pszTableName[0] != '\0')
4326 : {
4327 340 : pszSQL = sqlite3_mprintf(
4328 : "SELECT md.id FROM gpkg_metadata md "
4329 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4330 : "WHERE md.md_scope = 'dataset' AND "
4331 : "md.md_standard_uri='http://gdal.org' "
4332 : "AND md.mime_type='text/xml' AND mdr.reference_scope = 'table' AND "
4333 : "lower(mdr.table_name) = lower('%q')",
4334 : pszTableName);
4335 : }
4336 : else
4337 : {
4338 145 : pszSQL = sqlite3_mprintf(
4339 : "SELECT md.id FROM gpkg_metadata md "
4340 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4341 : "WHERE md.md_scope = 'dataset' AND "
4342 : "md.md_standard_uri='http://gdal.org' "
4343 : "AND md.mime_type='text/xml' AND mdr.reference_scope = "
4344 : "'geopackage'");
4345 : }
4346 : OGRErr err;
4347 485 : int mdId = SQLGetInteger(hDB, pszSQL, &err);
4348 485 : if (err != OGRERR_NONE)
4349 453 : mdId = -1;
4350 485 : sqlite3_free(pszSQL);
4351 :
4352 485 : if (bIsEmpty)
4353 : {
4354 153 : if (mdId >= 0)
4355 : {
4356 6 : SQLCommand(
4357 : hDB,
4358 : CPLSPrintf(
4359 : "DELETE FROM gpkg_metadata_reference WHERE md_file_id = %d",
4360 : mdId));
4361 6 : SQLCommand(
4362 : hDB,
4363 : CPLSPrintf("DELETE FROM gpkg_metadata WHERE id = %d", mdId));
4364 : }
4365 : }
4366 : else
4367 : {
4368 332 : if (mdId >= 0)
4369 : {
4370 26 : pszSQL = sqlite3_mprintf(
4371 : "UPDATE gpkg_metadata SET metadata = '%q' WHERE id = %d",
4372 : pszXML, mdId);
4373 : }
4374 : else
4375 : {
4376 : pszSQL =
4377 306 : sqlite3_mprintf("INSERT INTO gpkg_metadata (md_scope, "
4378 : "md_standard_uri, mime_type, metadata) VALUES "
4379 : "('dataset','http://gdal.org','text/xml','%q')",
4380 : pszXML);
4381 : }
4382 332 : SQLCommand(hDB, pszSQL);
4383 332 : sqlite3_free(pszSQL);
4384 :
4385 332 : CPLFree(pszXML);
4386 :
4387 332 : if (mdId < 0)
4388 : {
4389 306 : const sqlite_int64 nFID = sqlite3_last_insert_rowid(hDB);
4390 306 : if (pszTableName != nullptr && pszTableName[0] != '\0')
4391 : {
4392 294 : pszSQL = sqlite3_mprintf(
4393 : "INSERT INTO gpkg_metadata_reference (reference_scope, "
4394 : "table_name, timestamp, md_file_id) VALUES "
4395 : "('table', '%q', %s, %d)",
4396 588 : pszTableName, GetCurrentDateEscapedSQL().c_str(),
4397 : static_cast<int>(nFID));
4398 : }
4399 : else
4400 : {
4401 12 : pszSQL = sqlite3_mprintf(
4402 : "INSERT INTO gpkg_metadata_reference (reference_scope, "
4403 : "timestamp, md_file_id) VALUES "
4404 : "('geopackage', %s, %d)",
4405 24 : GetCurrentDateEscapedSQL().c_str(), static_cast<int>(nFID));
4406 : }
4407 : }
4408 : else
4409 : {
4410 26 : pszSQL = sqlite3_mprintf("UPDATE gpkg_metadata_reference SET "
4411 : "timestamp = %s WHERE md_file_id = %d",
4412 52 : GetCurrentDateEscapedSQL().c_str(), mdId);
4413 : }
4414 332 : SQLCommand(hDB, pszSQL);
4415 332 : sqlite3_free(pszSQL);
4416 : }
4417 : }
4418 :
4419 : /************************************************************************/
4420 : /* CreateMetadataTables() */
4421 : /************************************************************************/
4422 :
4423 304 : bool GDALGeoPackageDataset::CreateMetadataTables()
4424 : {
4425 : const bool bCreateTriggers =
4426 304 : CPLTestBool(CPLGetConfigOption("CREATE_TRIGGERS", "NO"));
4427 :
4428 : /* From C.10. gpkg_metadata Table 35. gpkg_metadata Table Definition SQL */
4429 : CPLString osSQL = "CREATE TABLE gpkg_metadata ("
4430 : "id INTEGER CONSTRAINT m_pk PRIMARY KEY ASC NOT NULL,"
4431 : "md_scope TEXT NOT NULL DEFAULT 'dataset',"
4432 : "md_standard_uri TEXT NOT NULL,"
4433 : "mime_type TEXT NOT NULL DEFAULT 'text/xml',"
4434 : "metadata TEXT NOT NULL DEFAULT ''"
4435 608 : ")";
4436 :
4437 : /* From D.2. metadata Table 40. metadata Trigger Definition SQL */
4438 304 : const char *pszMetadataTriggers =
4439 : "CREATE TRIGGER 'gpkg_metadata_md_scope_insert' "
4440 : "BEFORE INSERT ON 'gpkg_metadata' "
4441 : "FOR EACH ROW BEGIN "
4442 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata violates "
4443 : "constraint: md_scope must be one of undefined | fieldSession | "
4444 : "collectionSession | series | dataset | featureType | feature | "
4445 : "attributeType | attribute | tile | model | catalogue | schema | "
4446 : "taxonomy software | service | collectionHardware | "
4447 : "nonGeographicDataset | dimensionGroup') "
4448 : "WHERE NOT(NEW.md_scope IN "
4449 : "('undefined','fieldSession','collectionSession','series','dataset', "
4450 : "'featureType','feature','attributeType','attribute','tile','model', "
4451 : "'catalogue','schema','taxonomy','software','service', "
4452 : "'collectionHardware','nonGeographicDataset','dimensionGroup')); "
4453 : "END; "
4454 : "CREATE TRIGGER 'gpkg_metadata_md_scope_update' "
4455 : "BEFORE UPDATE OF 'md_scope' ON 'gpkg_metadata' "
4456 : "FOR EACH ROW BEGIN "
4457 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata violates "
4458 : "constraint: md_scope must be one of undefined | fieldSession | "
4459 : "collectionSession | series | dataset | featureType | feature | "
4460 : "attributeType | attribute | tile | model | catalogue | schema | "
4461 : "taxonomy software | service | collectionHardware | "
4462 : "nonGeographicDataset | dimensionGroup') "
4463 : "WHERE NOT(NEW.md_scope IN "
4464 : "('undefined','fieldSession','collectionSession','series','dataset', "
4465 : "'featureType','feature','attributeType','attribute','tile','model', "
4466 : "'catalogue','schema','taxonomy','software','service', "
4467 : "'collectionHardware','nonGeographicDataset','dimensionGroup')); "
4468 : "END";
4469 304 : if (bCreateTriggers)
4470 : {
4471 0 : osSQL += ";";
4472 0 : osSQL += pszMetadataTriggers;
4473 : }
4474 :
4475 : /* From C.11. gpkg_metadata_reference Table 36. gpkg_metadata_reference
4476 : * Table Definition SQL */
4477 : osSQL += ";"
4478 : "CREATE TABLE gpkg_metadata_reference ("
4479 : "reference_scope TEXT NOT NULL,"
4480 : "table_name TEXT,"
4481 : "column_name TEXT,"
4482 : "row_id_value INTEGER,"
4483 : "timestamp DATETIME NOT NULL DEFAULT "
4484 : "(strftime('%Y-%m-%dT%H:%M:%fZ','now')),"
4485 : "md_file_id INTEGER NOT NULL,"
4486 : "md_parent_id INTEGER,"
4487 : "CONSTRAINT crmr_mfi_fk FOREIGN KEY (md_file_id) REFERENCES "
4488 : "gpkg_metadata(id),"
4489 : "CONSTRAINT crmr_mpi_fk FOREIGN KEY (md_parent_id) REFERENCES "
4490 : "gpkg_metadata(id)"
4491 304 : ")";
4492 :
4493 : /* From D.3. metadata_reference Table 41. gpkg_metadata_reference Trigger
4494 : * Definition SQL */
4495 304 : const char *pszMetadataReferenceTriggers =
4496 : "CREATE TRIGGER 'gpkg_metadata_reference_reference_scope_insert' "
4497 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4498 : "FOR EACH ROW BEGIN "
4499 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4500 : "violates constraint: reference_scope must be one of \"geopackage\", "
4501 : "table\", \"column\", \"row\", \"row/col\"') "
4502 : "WHERE NOT NEW.reference_scope IN "
4503 : "('geopackage','table','column','row','row/col'); "
4504 : "END; "
4505 : "CREATE TRIGGER 'gpkg_metadata_reference_reference_scope_update' "
4506 : "BEFORE UPDATE OF 'reference_scope' ON 'gpkg_metadata_reference' "
4507 : "FOR EACH ROW BEGIN "
4508 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4509 : "violates constraint: reference_scope must be one of \"geopackage\", "
4510 : "\"table\", \"column\", \"row\", \"row/col\"') "
4511 : "WHERE NOT NEW.reference_scope IN "
4512 : "('geopackage','table','column','row','row/col'); "
4513 : "END; "
4514 : "CREATE TRIGGER 'gpkg_metadata_reference_column_name_insert' "
4515 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4516 : "FOR EACH ROW BEGIN "
4517 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4518 : "violates constraint: column name must be NULL when reference_scope "
4519 : "is \"geopackage\", \"table\" or \"row\"') "
4520 : "WHERE (NEW.reference_scope IN ('geopackage','table','row') "
4521 : "AND NEW.column_name IS NOT NULL); "
4522 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4523 : "violates constraint: column name must be defined for the specified "
4524 : "table when reference_scope is \"column\" or \"row/col\"') "
4525 : "WHERE (NEW.reference_scope IN ('column','row/col') "
4526 : "AND NOT NEW.table_name IN ( "
4527 : "SELECT name FROM SQLITE_MASTER WHERE type = 'table' "
4528 : "AND name = NEW.table_name "
4529 : "AND sql LIKE ('%' || NEW.column_name || '%'))); "
4530 : "END; "
4531 : "CREATE TRIGGER 'gpkg_metadata_reference_column_name_update' "
4532 : "BEFORE UPDATE OF column_name ON 'gpkg_metadata_reference' "
4533 : "FOR EACH ROW BEGIN "
4534 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4535 : "violates constraint: column name must be NULL when reference_scope "
4536 : "is \"geopackage\", \"table\" or \"row\"') "
4537 : "WHERE (NEW.reference_scope IN ('geopackage','table','row') "
4538 : "AND NEW.column_name IS NOT NULL); "
4539 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4540 : "violates constraint: column name must be defined for the specified "
4541 : "table when reference_scope is \"column\" or \"row/col\"') "
4542 : "WHERE (NEW.reference_scope IN ('column','row/col') "
4543 : "AND NOT NEW.table_name IN ( "
4544 : "SELECT name FROM SQLITE_MASTER WHERE type = 'table' "
4545 : "AND name = NEW.table_name "
4546 : "AND sql LIKE ('%' || NEW.column_name || '%'))); "
4547 : "END; "
4548 : "CREATE TRIGGER 'gpkg_metadata_reference_row_id_value_insert' "
4549 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4550 : "FOR EACH ROW BEGIN "
4551 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4552 : "violates constraint: row_id_value must be NULL when reference_scope "
4553 : "is \"geopackage\", \"table\" or \"column\"') "
4554 : "WHERE NEW.reference_scope IN ('geopackage','table','column') "
4555 : "AND NEW.row_id_value IS NOT NULL; "
4556 : "END; "
4557 : "CREATE TRIGGER 'gpkg_metadata_reference_row_id_value_update' "
4558 : "BEFORE UPDATE OF 'row_id_value' ON 'gpkg_metadata_reference' "
4559 : "FOR EACH ROW BEGIN "
4560 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4561 : "violates constraint: row_id_value must be NULL when reference_scope "
4562 : "is \"geopackage\", \"table\" or \"column\"') "
4563 : "WHERE NEW.reference_scope IN ('geopackage','table','column') "
4564 : "AND NEW.row_id_value IS NOT NULL; "
4565 : "END; "
4566 : "CREATE TRIGGER 'gpkg_metadata_reference_timestamp_insert' "
4567 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4568 : "FOR EACH ROW BEGIN "
4569 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4570 : "violates constraint: timestamp must be a valid time in ISO 8601 "
4571 : "\"yyyy-mm-ddThh:mm:ss.cccZ\" form') "
4572 : "WHERE NOT (NEW.timestamp GLOB "
4573 : "'[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-"
4574 : "5][0-9].[0-9][0-9][0-9]Z' "
4575 : "AND strftime('%s',NEW.timestamp) NOT NULL); "
4576 : "END; "
4577 : "CREATE TRIGGER 'gpkg_metadata_reference_timestamp_update' "
4578 : "BEFORE UPDATE OF 'timestamp' ON 'gpkg_metadata_reference' "
4579 : "FOR EACH ROW BEGIN "
4580 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4581 : "violates constraint: timestamp must be a valid time in ISO 8601 "
4582 : "\"yyyy-mm-ddThh:mm:ss.cccZ\" form') "
4583 : "WHERE NOT (NEW.timestamp GLOB "
4584 : "'[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-"
4585 : "5][0-9].[0-9][0-9][0-9]Z' "
4586 : "AND strftime('%s',NEW.timestamp) NOT NULL); "
4587 : "END";
4588 304 : if (bCreateTriggers)
4589 : {
4590 0 : osSQL += ";";
4591 0 : osSQL += pszMetadataReferenceTriggers;
4592 : }
4593 :
4594 304 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
4595 2 : return false;
4596 :
4597 302 : osSQL += ";";
4598 : osSQL += "INSERT INTO gpkg_extensions "
4599 : "(table_name, column_name, extension_name, definition, scope) "
4600 : "VALUES "
4601 : "('gpkg_metadata', NULL, 'gpkg_metadata', "
4602 : "'http://www.geopackage.org/spec120/#extension_metadata', "
4603 302 : "'read-write')";
4604 :
4605 302 : osSQL += ";";
4606 : osSQL += "INSERT INTO gpkg_extensions "
4607 : "(table_name, column_name, extension_name, definition, scope) "
4608 : "VALUES "
4609 : "('gpkg_metadata_reference', NULL, 'gpkg_metadata', "
4610 : "'http://www.geopackage.org/spec120/#extension_metadata', "
4611 302 : "'read-write')";
4612 :
4613 302 : const bool bOK = SQLCommand(hDB, osSQL) == OGRERR_NONE;
4614 302 : m_nHasMetadataTables = bOK;
4615 302 : return bOK;
4616 : }
4617 :
4618 : /************************************************************************/
4619 : /* FlushMetadata() */
4620 : /************************************************************************/
4621 :
4622 8774 : void GDALGeoPackageDataset::FlushMetadata()
4623 : {
4624 8774 : if (!m_bMetadataDirty || m_poParentDS != nullptr ||
4625 363 : m_nCreateMetadataTables == FALSE)
4626 8417 : return;
4627 357 : m_bMetadataDirty = false;
4628 :
4629 357 : if (eAccess == GA_ReadOnly)
4630 : {
4631 3 : return;
4632 : }
4633 :
4634 354 : bool bCanWriteAreaOrPoint =
4635 706 : !m_bGridCellEncodingAsCO &&
4636 352 : (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT);
4637 354 : if (!m_osRasterTable.empty())
4638 : {
4639 : const char *pszIdentifier =
4640 144 : GDALGeoPackageDataset::GetMetadataItem("IDENTIFIER");
4641 : const char *pszDescription =
4642 144 : GDALGeoPackageDataset::GetMetadataItem("DESCRIPTION");
4643 173 : if (!m_bIdentifierAsCO && pszIdentifier != nullptr &&
4644 29 : pszIdentifier != m_osIdentifier)
4645 : {
4646 14 : m_osIdentifier = pszIdentifier;
4647 : char *pszSQL =
4648 14 : sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' "
4649 : "WHERE lower(table_name) = lower('%q')",
4650 : pszIdentifier, m_osRasterTable.c_str());
4651 14 : SQLCommand(hDB, pszSQL);
4652 14 : sqlite3_free(pszSQL);
4653 : }
4654 151 : if (!m_bDescriptionAsCO && pszDescription != nullptr &&
4655 7 : pszDescription != m_osDescription)
4656 : {
4657 7 : m_osDescription = pszDescription;
4658 : char *pszSQL =
4659 7 : sqlite3_mprintf("UPDATE gpkg_contents SET description = '%q' "
4660 : "WHERE lower(table_name) = lower('%q')",
4661 : pszDescription, m_osRasterTable.c_str());
4662 7 : SQLCommand(hDB, pszSQL);
4663 7 : sqlite3_free(pszSQL);
4664 : }
4665 144 : if (bCanWriteAreaOrPoint)
4666 : {
4667 : const char *pszAreaOrPoint =
4668 28 : GDALGeoPackageDataset::GetMetadataItem(GDALMD_AREA_OR_POINT);
4669 28 : if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_AREA))
4670 : {
4671 23 : bCanWriteAreaOrPoint = false;
4672 23 : char *pszSQL = sqlite3_mprintf(
4673 : "UPDATE gpkg_2d_gridded_coverage_ancillary SET "
4674 : "grid_cell_encoding = 'grid-value-is-area' WHERE "
4675 : "lower(tile_matrix_set_name) = lower('%q')",
4676 : m_osRasterTable.c_str());
4677 23 : SQLCommand(hDB, pszSQL);
4678 23 : sqlite3_free(pszSQL);
4679 : }
4680 5 : else if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_POINT))
4681 : {
4682 1 : bCanWriteAreaOrPoint = false;
4683 1 : char *pszSQL = sqlite3_mprintf(
4684 : "UPDATE gpkg_2d_gridded_coverage_ancillary SET "
4685 : "grid_cell_encoding = 'grid-value-is-center' WHERE "
4686 : "lower(tile_matrix_set_name) = lower('%q')",
4687 : m_osRasterTable.c_str());
4688 1 : SQLCommand(hDB, pszSQL);
4689 1 : sqlite3_free(pszSQL);
4690 : }
4691 : }
4692 : }
4693 :
4694 354 : char **papszMDDup = nullptr;
4695 559 : for (char **papszIter = GDALGeoPackageDataset::GetMetadata();
4696 559 : papszIter && *papszIter; ++papszIter)
4697 : {
4698 205 : if (STARTS_WITH_CI(*papszIter, "IDENTIFIER="))
4699 29 : continue;
4700 176 : if (STARTS_WITH_CI(*papszIter, "DESCRIPTION="))
4701 8 : continue;
4702 168 : if (STARTS_WITH_CI(*papszIter, "ZOOM_LEVEL="))
4703 14 : continue;
4704 154 : if (STARTS_WITH_CI(*papszIter, "GPKG_METADATA_ITEM_"))
4705 4 : continue;
4706 150 : if ((m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT) &&
4707 29 : !bCanWriteAreaOrPoint &&
4708 26 : STARTS_WITH_CI(*papszIter, GDALMD_AREA_OR_POINT))
4709 : {
4710 26 : continue;
4711 : }
4712 124 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4713 : }
4714 :
4715 354 : CPLXMLNode *psXMLNode = nullptr;
4716 : {
4717 354 : GDALMultiDomainMetadata oLocalMDMD;
4718 354 : CSLConstList papszDomainList = oMDMD.GetDomainList();
4719 354 : CSLConstList papszIter = papszDomainList;
4720 354 : oLocalMDMD.SetMetadata(papszMDDup);
4721 683 : while (papszIter && *papszIter)
4722 : {
4723 329 : if (!EQUAL(*papszIter, "") &&
4724 159 : !EQUAL(*papszIter, "IMAGE_STRUCTURE") &&
4725 15 : !EQUAL(*papszIter, "GEOPACKAGE"))
4726 : {
4727 8 : oLocalMDMD.SetMetadata(oMDMD.GetMetadata(*papszIter),
4728 : *papszIter);
4729 : }
4730 329 : papszIter++;
4731 : }
4732 354 : if (m_nBandCountFromMetadata > 0)
4733 : {
4734 74 : oLocalMDMD.SetMetadataItem(
4735 : "BAND_COUNT", CPLSPrintf("%d", m_nBandCountFromMetadata),
4736 : "IMAGE_STRUCTURE");
4737 74 : if (nBands == 1)
4738 : {
4739 50 : const auto poCT = GetRasterBand(1)->GetColorTable();
4740 50 : if (poCT)
4741 : {
4742 16 : std::string osVal("{");
4743 8 : const int nColorCount = poCT->GetColorEntryCount();
4744 2056 : for (int i = 0; i < nColorCount; ++i)
4745 : {
4746 2048 : if (i > 0)
4747 2040 : osVal += ',';
4748 2048 : const GDALColorEntry *psEntry = poCT->GetColorEntry(i);
4749 : osVal +=
4750 2048 : CPLSPrintf("{%d,%d,%d,%d}", psEntry->c1,
4751 2048 : psEntry->c2, psEntry->c3, psEntry->c4);
4752 : }
4753 8 : osVal += '}';
4754 8 : oLocalMDMD.SetMetadataItem("COLOR_TABLE", osVal.c_str(),
4755 : "IMAGE_STRUCTURE");
4756 : }
4757 : }
4758 74 : if (nBands == 1)
4759 : {
4760 50 : const char *pszTILE_FORMAT = nullptr;
4761 50 : switch (m_eTF)
4762 : {
4763 0 : case GPKG_TF_PNG_JPEG:
4764 0 : pszTILE_FORMAT = "JPEG_PNG";
4765 0 : break;
4766 44 : case GPKG_TF_PNG:
4767 44 : break;
4768 0 : case GPKG_TF_PNG8:
4769 0 : pszTILE_FORMAT = "PNG8";
4770 0 : break;
4771 3 : case GPKG_TF_JPEG:
4772 3 : pszTILE_FORMAT = "JPEG";
4773 3 : break;
4774 3 : case GPKG_TF_WEBP:
4775 3 : pszTILE_FORMAT = "WEBP";
4776 3 : break;
4777 0 : case GPKG_TF_PNG_16BIT:
4778 0 : break;
4779 0 : case GPKG_TF_TIFF_32BIT_FLOAT:
4780 0 : break;
4781 : }
4782 50 : if (pszTILE_FORMAT)
4783 6 : oLocalMDMD.SetMetadataItem("TILE_FORMAT", pszTILE_FORMAT,
4784 : "IMAGE_STRUCTURE");
4785 : }
4786 : }
4787 498 : if (GetRasterCount() > 0 &&
4788 144 : GetRasterBand(1)->GetRasterDataType() == GDT_Byte)
4789 : {
4790 114 : int bHasNoData = FALSE;
4791 : const double dfNoDataValue =
4792 114 : GetRasterBand(1)->GetNoDataValue(&bHasNoData);
4793 114 : if (bHasNoData)
4794 : {
4795 3 : oLocalMDMD.SetMetadataItem("NODATA_VALUE",
4796 : CPLSPrintf("%.17g", dfNoDataValue),
4797 : "IMAGE_STRUCTURE");
4798 : }
4799 : }
4800 603 : for (int i = 1; i <= GetRasterCount(); ++i)
4801 : {
4802 : auto poBand =
4803 249 : cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(i));
4804 249 : poBand->AddImplicitStatistics(false);
4805 249 : char **papszMD = GetRasterBand(i)->GetMetadata();
4806 249 : poBand->AddImplicitStatistics(true);
4807 249 : if (papszMD)
4808 : {
4809 14 : oLocalMDMD.SetMetadata(papszMD, CPLSPrintf("BAND_%d", i));
4810 : }
4811 : }
4812 354 : psXMLNode = oLocalMDMD.Serialize();
4813 : }
4814 :
4815 354 : CSLDestroy(papszMDDup);
4816 354 : papszMDDup = nullptr;
4817 :
4818 354 : WriteMetadata(psXMLNode, m_osRasterTable.c_str());
4819 :
4820 354 : if (!m_osRasterTable.empty())
4821 : {
4822 : char **papszGeopackageMD =
4823 144 : GDALGeoPackageDataset::GetMetadata("GEOPACKAGE");
4824 :
4825 144 : papszMDDup = nullptr;
4826 153 : for (char **papszIter = papszGeopackageMD; papszIter && *papszIter;
4827 : ++papszIter)
4828 : {
4829 9 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4830 : }
4831 :
4832 288 : GDALMultiDomainMetadata oLocalMDMD;
4833 144 : oLocalMDMD.SetMetadata(papszMDDup);
4834 144 : CSLDestroy(papszMDDup);
4835 144 : papszMDDup = nullptr;
4836 144 : psXMLNode = oLocalMDMD.Serialize();
4837 :
4838 144 : WriteMetadata(psXMLNode, nullptr);
4839 : }
4840 :
4841 580 : for (auto &poLayer : m_apoLayers)
4842 : {
4843 226 : const char *pszIdentifier = poLayer->GetMetadataItem("IDENTIFIER");
4844 226 : const char *pszDescription = poLayer->GetMetadataItem("DESCRIPTION");
4845 226 : if (pszIdentifier != nullptr)
4846 : {
4847 : char *pszSQL =
4848 3 : sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' "
4849 : "WHERE lower(table_name) = lower('%q')",
4850 : pszIdentifier, poLayer->GetName());
4851 3 : SQLCommand(hDB, pszSQL);
4852 3 : sqlite3_free(pszSQL);
4853 : }
4854 226 : if (pszDescription != nullptr)
4855 : {
4856 : char *pszSQL =
4857 3 : sqlite3_mprintf("UPDATE gpkg_contents SET description = '%q' "
4858 : "WHERE lower(table_name) = lower('%q')",
4859 : pszDescription, poLayer->GetName());
4860 3 : SQLCommand(hDB, pszSQL);
4861 3 : sqlite3_free(pszSQL);
4862 : }
4863 :
4864 226 : papszMDDup = nullptr;
4865 616 : for (char **papszIter = poLayer->GetMetadata(); papszIter && *papszIter;
4866 : ++papszIter)
4867 : {
4868 390 : if (STARTS_WITH_CI(*papszIter, "IDENTIFIER="))
4869 3 : continue;
4870 387 : if (STARTS_WITH_CI(*papszIter, "DESCRIPTION="))
4871 3 : continue;
4872 384 : if (STARTS_WITH_CI(*papszIter, "OLMD_FID64="))
4873 0 : continue;
4874 384 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4875 : }
4876 :
4877 : {
4878 226 : GDALMultiDomainMetadata oLocalMDMD;
4879 226 : char **papszDomainList = poLayer->GetMetadataDomainList();
4880 226 : char **papszIter = papszDomainList;
4881 226 : oLocalMDMD.SetMetadata(papszMDDup);
4882 501 : while (papszIter && *papszIter)
4883 : {
4884 275 : if (!EQUAL(*papszIter, ""))
4885 62 : oLocalMDMD.SetMetadata(poLayer->GetMetadata(*papszIter),
4886 : *papszIter);
4887 275 : papszIter++;
4888 : }
4889 226 : CSLDestroy(papszDomainList);
4890 226 : psXMLNode = oLocalMDMD.Serialize();
4891 : }
4892 :
4893 226 : CSLDestroy(papszMDDup);
4894 226 : papszMDDup = nullptr;
4895 :
4896 226 : WriteMetadata(psXMLNode, poLayer->GetName());
4897 : }
4898 : }
4899 :
4900 : /************************************************************************/
4901 : /* GetMetadataItem() */
4902 : /************************************************************************/
4903 :
4904 1879 : const char *GDALGeoPackageDataset::GetMetadataItem(const char *pszName,
4905 : const char *pszDomain)
4906 : {
4907 1879 : pszDomain = CheckMetadataDomain(pszDomain);
4908 1879 : return CSLFetchNameValue(GetMetadata(pszDomain), pszName);
4909 : }
4910 :
4911 : /************************************************************************/
4912 : /* SetMetadata() */
4913 : /************************************************************************/
4914 :
4915 133 : CPLErr GDALGeoPackageDataset::SetMetadata(char **papszMetadata,
4916 : const char *pszDomain)
4917 : {
4918 133 : pszDomain = CheckMetadataDomain(pszDomain);
4919 133 : m_bMetadataDirty = true;
4920 133 : GetMetadata(); /* force loading from storage if needed */
4921 133 : return GDALPamDataset::SetMetadata(papszMetadata, pszDomain);
4922 : }
4923 :
4924 : /************************************************************************/
4925 : /* SetMetadataItem() */
4926 : /************************************************************************/
4927 :
4928 21 : CPLErr GDALGeoPackageDataset::SetMetadataItem(const char *pszName,
4929 : const char *pszValue,
4930 : const char *pszDomain)
4931 : {
4932 21 : pszDomain = CheckMetadataDomain(pszDomain);
4933 21 : m_bMetadataDirty = true;
4934 21 : GetMetadata(); /* force loading from storage if needed */
4935 21 : return GDALPamDataset::SetMetadataItem(pszName, pszValue, pszDomain);
4936 : }
4937 :
4938 : /************************************************************************/
4939 : /* Create() */
4940 : /************************************************************************/
4941 :
4942 977 : int GDALGeoPackageDataset::Create(const char *pszFilename, int nXSize,
4943 : int nYSize, int nBandsIn, GDALDataType eDT,
4944 : char **papszOptions)
4945 : {
4946 1954 : CPLString osCommand;
4947 :
4948 : /* First, ensure there isn't any such file yet. */
4949 : VSIStatBufL sStatBuf;
4950 :
4951 977 : if (nBandsIn != 0)
4952 : {
4953 226 : if (eDT == GDT_Byte)
4954 : {
4955 156 : if (nBandsIn != 1 && nBandsIn != 2 && nBandsIn != 3 &&
4956 : nBandsIn != 4)
4957 : {
4958 1 : CPLError(CE_Failure, CPLE_NotSupported,
4959 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), "
4960 : "3 (RGB) or 4 (RGBA) band dataset supported for "
4961 : "Byte datatype");
4962 1 : return FALSE;
4963 : }
4964 : }
4965 70 : else if (eDT == GDT_Int16 || eDT == GDT_UInt16 || eDT == GDT_Float32)
4966 : {
4967 43 : if (nBandsIn != 1)
4968 : {
4969 3 : CPLError(CE_Failure, CPLE_NotSupported,
4970 : "Only single band dataset supported for non Byte "
4971 : "datatype");
4972 3 : return FALSE;
4973 : }
4974 : }
4975 : else
4976 : {
4977 27 : CPLError(CE_Failure, CPLE_NotSupported,
4978 : "Only Byte, Int16, UInt16 or Float32 supported");
4979 27 : return FALSE;
4980 : }
4981 : }
4982 :
4983 946 : const size_t nFilenameLen = strlen(pszFilename);
4984 946 : const bool bGpkgZip =
4985 941 : (nFilenameLen > strlen(".gpkg.zip") &&
4986 1887 : !STARTS_WITH(pszFilename, "/vsizip/") &&
4987 941 : EQUAL(pszFilename + nFilenameLen - strlen(".gpkg.zip"), ".gpkg.zip"));
4988 :
4989 : const bool bUseTempFile =
4990 947 : bGpkgZip || (CPLTestBool(CPLGetConfigOption(
4991 1 : "CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE", "NO")) &&
4992 1 : (VSIHasOptimizedReadMultiRange(pszFilename) != FALSE ||
4993 1 : EQUAL(CPLGetConfigOption(
4994 : "CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE", ""),
4995 946 : "FORCED")));
4996 :
4997 946 : bool bFileExists = false;
4998 946 : if (VSIStatL(pszFilename, &sStatBuf) == 0)
4999 : {
5000 10 : bFileExists = true;
5001 20 : if (nBandsIn == 0 || bUseTempFile ||
5002 10 : !CPLTestBool(
5003 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")))
5004 : {
5005 0 : CPLError(CE_Failure, CPLE_AppDefined,
5006 : "A file system object called '%s' already exists.",
5007 : pszFilename);
5008 :
5009 0 : return FALSE;
5010 : }
5011 : }
5012 :
5013 946 : if (bUseTempFile)
5014 : {
5015 3 : if (bGpkgZip)
5016 : {
5017 2 : std::string osFilenameInZip(CPLGetFilename(pszFilename));
5018 2 : osFilenameInZip.resize(osFilenameInZip.size() - strlen(".zip"));
5019 : m_osFinalFilename =
5020 2 : std::string("/vsizip/{") + pszFilename + "}/" + osFilenameInZip;
5021 : }
5022 : else
5023 : {
5024 1 : m_osFinalFilename = pszFilename;
5025 : }
5026 3 : m_pszFilename = CPLStrdup(
5027 6 : CPLGenerateTempFilenameSafe(CPLGetFilename(pszFilename)).c_str());
5028 3 : CPLDebug("GPKG", "Creating temporary file %s", m_pszFilename);
5029 : }
5030 : else
5031 : {
5032 943 : m_pszFilename = CPLStrdup(pszFilename);
5033 : }
5034 946 : m_bNew = true;
5035 946 : eAccess = GA_Update;
5036 946 : m_bDateTimeWithTZ =
5037 946 : EQUAL(CSLFetchNameValueDef(papszOptions, "DATETIME_FORMAT", "WITH_TZ"),
5038 : "WITH_TZ");
5039 :
5040 : // for test/debug purposes only. true is the nominal value
5041 946 : m_bPNGSupports2Bands =
5042 946 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_2BANDS", "TRUE"));
5043 946 : m_bPNGSupportsCT =
5044 946 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_CT", "TRUE"));
5045 :
5046 946 : if (!OpenOrCreateDB(bFileExists
5047 : ? SQLITE_OPEN_READWRITE
5048 : : SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE))
5049 7 : return FALSE;
5050 :
5051 : /* Default to synchronous=off for performance for new file */
5052 1868 : if (!bFileExists &&
5053 929 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5054 : {
5055 430 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5056 : }
5057 :
5058 : /* OGR UTF-8 support. If we set the UTF-8 Pragma early on, it */
5059 : /* will be written into the main file and supported henceforth */
5060 939 : SQLCommand(hDB, "PRAGMA encoding = \"UTF-8\"");
5061 :
5062 939 : if (bFileExists)
5063 : {
5064 10 : VSILFILE *fp = VSIFOpenL(pszFilename, "rb");
5065 10 : if (fp)
5066 : {
5067 : GByte abyHeader[100];
5068 10 : VSIFReadL(abyHeader, 1, sizeof(abyHeader), fp);
5069 10 : VSIFCloseL(fp);
5070 :
5071 10 : memcpy(&m_nApplicationId, abyHeader + knApplicationIdPos, 4);
5072 10 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
5073 10 : memcpy(&m_nUserVersion, abyHeader + knUserVersionPos, 4);
5074 10 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
5075 :
5076 10 : if (m_nApplicationId == GP10_APPLICATION_ID)
5077 : {
5078 0 : CPLDebug("GPKG", "GeoPackage v1.0");
5079 : }
5080 10 : else if (m_nApplicationId == GP11_APPLICATION_ID)
5081 : {
5082 0 : CPLDebug("GPKG", "GeoPackage v1.1");
5083 : }
5084 10 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
5085 10 : m_nUserVersion >= GPKG_1_2_VERSION)
5086 : {
5087 10 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
5088 10 : (m_nUserVersion % 10000) / 100, m_nUserVersion % 100);
5089 : }
5090 : }
5091 :
5092 10 : DetectSpatialRefSysColumns();
5093 : }
5094 :
5095 939 : const char *pszVersion = CSLFetchNameValue(papszOptions, "VERSION");
5096 939 : if (pszVersion && !EQUAL(pszVersion, "AUTO"))
5097 : {
5098 40 : if (EQUAL(pszVersion, "1.0"))
5099 : {
5100 2 : m_nApplicationId = GP10_APPLICATION_ID;
5101 2 : m_nUserVersion = 0;
5102 : }
5103 38 : else if (EQUAL(pszVersion, "1.1"))
5104 : {
5105 1 : m_nApplicationId = GP11_APPLICATION_ID;
5106 1 : m_nUserVersion = 0;
5107 : }
5108 37 : else if (EQUAL(pszVersion, "1.2"))
5109 : {
5110 15 : m_nApplicationId = GPKG_APPLICATION_ID;
5111 15 : m_nUserVersion = GPKG_1_2_VERSION;
5112 : }
5113 22 : else if (EQUAL(pszVersion, "1.3"))
5114 : {
5115 3 : m_nApplicationId = GPKG_APPLICATION_ID;
5116 3 : m_nUserVersion = GPKG_1_3_VERSION;
5117 : }
5118 19 : else if (EQUAL(pszVersion, "1.4"))
5119 : {
5120 19 : m_nApplicationId = GPKG_APPLICATION_ID;
5121 19 : m_nUserVersion = GPKG_1_4_VERSION;
5122 : }
5123 : }
5124 :
5125 939 : SoftStartTransaction();
5126 :
5127 1878 : CPLString osSQL;
5128 939 : if (!bFileExists)
5129 : {
5130 : /* Requirement 10: A GeoPackage SHALL include a gpkg_spatial_ref_sys
5131 : * table */
5132 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5133 : osSQL = "CREATE TABLE gpkg_spatial_ref_sys ("
5134 : "srs_name TEXT NOT NULL,"
5135 : "srs_id INTEGER NOT NULL PRIMARY KEY,"
5136 : "organization TEXT NOT NULL,"
5137 : "organization_coordsys_id INTEGER NOT NULL,"
5138 : "definition TEXT NOT NULL,"
5139 929 : "description TEXT";
5140 929 : if (CPLTestBool(CSLFetchNameValueDef(papszOptions, "CRS_WKT_EXTENSION",
5141 1110 : "NO")) ||
5142 181 : (nBandsIn != 0 && eDT != GDT_Byte))
5143 : {
5144 42 : m_bHasDefinition12_063 = true;
5145 42 : osSQL += ", definition_12_063 TEXT NOT NULL";
5146 42 : if (m_nUserVersion >= GPKG_1_4_VERSION)
5147 : {
5148 40 : osSQL += ", epoch DOUBLE";
5149 40 : m_bHasEpochColumn = true;
5150 : }
5151 : }
5152 : osSQL += ")"
5153 : ";"
5154 : /* Requirement 11: The gpkg_spatial_ref_sys table in a
5155 : GeoPackage SHALL */
5156 : /* contain a record for EPSG:4326, the geodetic WGS84 SRS */
5157 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5158 :
5159 : "INSERT INTO gpkg_spatial_ref_sys ("
5160 : "srs_name, srs_id, organization, organization_coordsys_id, "
5161 929 : "definition, description";
5162 929 : if (m_bHasDefinition12_063)
5163 42 : osSQL += ", definition_12_063";
5164 : osSQL +=
5165 : ") VALUES ("
5166 : "'WGS 84 geodetic', 4326, 'EPSG', 4326, '"
5167 : "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS "
5168 : "84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],"
5169 : "AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY["
5170 : "\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY["
5171 : "\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\","
5172 : "EAST],AUTHORITY[\"EPSG\",\"4326\"]]"
5173 : "', 'longitude/latitude coordinates in decimal degrees on the WGS "
5174 929 : "84 spheroid'";
5175 929 : if (m_bHasDefinition12_063)
5176 : osSQL +=
5177 : ", 'GEODCRS[\"WGS 84\", DATUM[\"World Geodetic System 1984\", "
5178 : "ELLIPSOID[\"WGS 84\",6378137, 298.257223563, "
5179 : "LENGTHUNIT[\"metre\", 1.0]]], PRIMEM[\"Greenwich\", 0.0, "
5180 : "ANGLEUNIT[\"degree\",0.0174532925199433]], CS[ellipsoidal, "
5181 : "2], AXIS[\"latitude\", north, ORDER[1]], AXIS[\"longitude\", "
5182 : "east, ORDER[2]], ANGLEUNIT[\"degree\", 0.0174532925199433], "
5183 42 : "ID[\"EPSG\", 4326]]'";
5184 : osSQL +=
5185 : ")"
5186 : ";"
5187 : /* Requirement 11: The gpkg_spatial_ref_sys table in a GeoPackage
5188 : SHALL */
5189 : /* contain a record with an srs_id of -1, an organization of “NONE”,
5190 : */
5191 : /* an organization_coordsys_id of -1, and definition “undefined” */
5192 : /* for undefined Cartesian coordinate reference systems */
5193 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5194 : "INSERT INTO gpkg_spatial_ref_sys ("
5195 : "srs_name, srs_id, organization, organization_coordsys_id, "
5196 929 : "definition, description";
5197 929 : if (m_bHasDefinition12_063)
5198 42 : osSQL += ", definition_12_063";
5199 : osSQL += ") VALUES ("
5200 : "'Undefined Cartesian SRS', -1, 'NONE', -1, 'undefined', "
5201 929 : "'undefined Cartesian coordinate reference system'";
5202 929 : if (m_bHasDefinition12_063)
5203 42 : osSQL += ", 'undefined'";
5204 : osSQL +=
5205 : ")"
5206 : ";"
5207 : /* Requirement 11: The gpkg_spatial_ref_sys table in a GeoPackage
5208 : SHALL */
5209 : /* contain a record with an srs_id of 0, an organization of “NONE”,
5210 : */
5211 : /* an organization_coordsys_id of 0, and definition “undefined” */
5212 : /* for undefined geographic coordinate reference systems */
5213 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5214 : "INSERT INTO gpkg_spatial_ref_sys ("
5215 : "srs_name, srs_id, organization, organization_coordsys_id, "
5216 929 : "definition, description";
5217 929 : if (m_bHasDefinition12_063)
5218 42 : osSQL += ", definition_12_063";
5219 : osSQL += ") VALUES ("
5220 : "'Undefined geographic SRS', 0, 'NONE', 0, 'undefined', "
5221 929 : "'undefined geographic coordinate reference system'";
5222 929 : if (m_bHasDefinition12_063)
5223 42 : osSQL += ", 'undefined'";
5224 : osSQL += ")"
5225 : ";"
5226 : /* Requirement 13: A GeoPackage file SHALL include a
5227 : gpkg_contents table */
5228 : /* http://opengis.github.io/geopackage/#_contents */
5229 : "CREATE TABLE gpkg_contents ("
5230 : "table_name TEXT NOT NULL PRIMARY KEY,"
5231 : "data_type TEXT NOT NULL,"
5232 : "identifier TEXT UNIQUE,"
5233 : "description TEXT DEFAULT '',"
5234 : "last_change DATETIME NOT NULL DEFAULT "
5235 : "(strftime('%Y-%m-%dT%H:%M:%fZ','now')),"
5236 : "min_x DOUBLE, min_y DOUBLE,"
5237 : "max_x DOUBLE, max_y DOUBLE,"
5238 : "srs_id INTEGER,"
5239 : "CONSTRAINT fk_gc_r_srs_id FOREIGN KEY (srs_id) REFERENCES "
5240 : "gpkg_spatial_ref_sys(srs_id)"
5241 929 : ")";
5242 :
5243 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5244 929 : if (CPLFetchBool(papszOptions, "ADD_GPKG_OGR_CONTENTS", true))
5245 : {
5246 924 : m_bHasGPKGOGRContents = true;
5247 : osSQL += ";"
5248 : "CREATE TABLE gpkg_ogr_contents("
5249 : "table_name TEXT NOT NULL PRIMARY KEY,"
5250 : "feature_count INTEGER DEFAULT NULL"
5251 924 : ")";
5252 : }
5253 : #endif
5254 :
5255 : /* Requirement 21: A GeoPackage with a gpkg_contents table row with a
5256 : * “features” */
5257 : /* data_type SHALL contain a gpkg_geometry_columns table or updateable
5258 : * view */
5259 : /* http://opengis.github.io/geopackage/#_geometry_columns */
5260 : const bool bCreateGeometryColumns =
5261 929 : CPLTestBool(CPLGetConfigOption("CREATE_GEOMETRY_COLUMNS", "YES"));
5262 929 : if (bCreateGeometryColumns)
5263 : {
5264 928 : m_bHasGPKGGeometryColumns = true;
5265 928 : osSQL += ";";
5266 928 : osSQL += pszCREATE_GPKG_GEOMETRY_COLUMNS;
5267 : }
5268 : }
5269 :
5270 : const bool bCreateTriggers =
5271 939 : CPLTestBool(CPLGetConfigOption("CREATE_TRIGGERS", "YES"));
5272 10 : if ((bFileExists && nBandsIn != 0 &&
5273 10 : SQLGetInteger(
5274 : hDB,
5275 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_tile_matrix_set' "
5276 : "AND type in ('table', 'view')",
5277 1878 : nullptr) == 0) ||
5278 938 : (!bFileExists &&
5279 929 : CPLTestBool(CPLGetConfigOption("CREATE_RASTER_TABLES", "YES"))))
5280 : {
5281 929 : if (!osSQL.empty())
5282 928 : osSQL += ";";
5283 :
5284 : /* From C.5. gpkg_tile_matrix_set Table 28. gpkg_tile_matrix_set Table
5285 : * Creation SQL */
5286 : osSQL += "CREATE TABLE gpkg_tile_matrix_set ("
5287 : "table_name TEXT NOT NULL PRIMARY KEY,"
5288 : "srs_id INTEGER NOT NULL,"
5289 : "min_x DOUBLE NOT NULL,"
5290 : "min_y DOUBLE NOT NULL,"
5291 : "max_x DOUBLE NOT NULL,"
5292 : "max_y DOUBLE NOT NULL,"
5293 : "CONSTRAINT fk_gtms_table_name FOREIGN KEY (table_name) "
5294 : "REFERENCES gpkg_contents(table_name),"
5295 : "CONSTRAINT fk_gtms_srs FOREIGN KEY (srs_id) REFERENCES "
5296 : "gpkg_spatial_ref_sys (srs_id)"
5297 : ")"
5298 : ";"
5299 :
5300 : /* From C.6. gpkg_tile_matrix Table 29. gpkg_tile_matrix Table
5301 : Creation SQL */
5302 : "CREATE TABLE gpkg_tile_matrix ("
5303 : "table_name TEXT NOT NULL,"
5304 : "zoom_level INTEGER NOT NULL,"
5305 : "matrix_width INTEGER NOT NULL,"
5306 : "matrix_height INTEGER NOT NULL,"
5307 : "tile_width INTEGER NOT NULL,"
5308 : "tile_height INTEGER NOT NULL,"
5309 : "pixel_x_size DOUBLE NOT NULL,"
5310 : "pixel_y_size DOUBLE NOT NULL,"
5311 : "CONSTRAINT pk_ttm PRIMARY KEY (table_name, zoom_level),"
5312 : "CONSTRAINT fk_tmm_table_name FOREIGN KEY (table_name) "
5313 : "REFERENCES gpkg_contents(table_name)"
5314 929 : ")";
5315 :
5316 929 : if (bCreateTriggers)
5317 : {
5318 : /* From D.1. gpkg_tile_matrix Table 39. gpkg_tile_matrix Trigger
5319 : * Definition SQL */
5320 929 : const char *pszTileMatrixTrigger =
5321 : "CREATE TRIGGER 'gpkg_tile_matrix_zoom_level_insert' "
5322 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5323 : "FOR EACH ROW BEGIN "
5324 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5325 : "violates constraint: zoom_level cannot be less than 0') "
5326 : "WHERE (NEW.zoom_level < 0); "
5327 : "END; "
5328 : "CREATE TRIGGER 'gpkg_tile_matrix_zoom_level_update' "
5329 : "BEFORE UPDATE of zoom_level ON 'gpkg_tile_matrix' "
5330 : "FOR EACH ROW BEGIN "
5331 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5332 : "violates constraint: zoom_level cannot be less than 0') "
5333 : "WHERE (NEW.zoom_level < 0); "
5334 : "END; "
5335 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_width_insert' "
5336 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5337 : "FOR EACH ROW BEGIN "
5338 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5339 : "violates constraint: matrix_width cannot be less than 1') "
5340 : "WHERE (NEW.matrix_width < 1); "
5341 : "END; "
5342 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_width_update' "
5343 : "BEFORE UPDATE OF matrix_width ON 'gpkg_tile_matrix' "
5344 : "FOR EACH ROW BEGIN "
5345 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5346 : "violates constraint: matrix_width cannot be less than 1') "
5347 : "WHERE (NEW.matrix_width < 1); "
5348 : "END; "
5349 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_height_insert' "
5350 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5351 : "FOR EACH ROW BEGIN "
5352 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5353 : "violates constraint: matrix_height cannot be less than 1') "
5354 : "WHERE (NEW.matrix_height < 1); "
5355 : "END; "
5356 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_height_update' "
5357 : "BEFORE UPDATE OF matrix_height ON 'gpkg_tile_matrix' "
5358 : "FOR EACH ROW BEGIN "
5359 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5360 : "violates constraint: matrix_height cannot be less than 1') "
5361 : "WHERE (NEW.matrix_height < 1); "
5362 : "END; "
5363 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_x_size_insert' "
5364 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5365 : "FOR EACH ROW BEGIN "
5366 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5367 : "violates constraint: pixel_x_size must be greater than 0') "
5368 : "WHERE NOT (NEW.pixel_x_size > 0); "
5369 : "END; "
5370 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_x_size_update' "
5371 : "BEFORE UPDATE OF pixel_x_size ON 'gpkg_tile_matrix' "
5372 : "FOR EACH ROW BEGIN "
5373 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5374 : "violates constraint: pixel_x_size must be greater than 0') "
5375 : "WHERE NOT (NEW.pixel_x_size > 0); "
5376 : "END; "
5377 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_y_size_insert' "
5378 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5379 : "FOR EACH ROW BEGIN "
5380 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5381 : "violates constraint: pixel_y_size must be greater than 0') "
5382 : "WHERE NOT (NEW.pixel_y_size > 0); "
5383 : "END; "
5384 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_y_size_update' "
5385 : "BEFORE UPDATE OF pixel_y_size ON 'gpkg_tile_matrix' "
5386 : "FOR EACH ROW BEGIN "
5387 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5388 : "violates constraint: pixel_y_size must be greater than 0') "
5389 : "WHERE NOT (NEW.pixel_y_size > 0); "
5390 : "END;";
5391 929 : osSQL += ";";
5392 929 : osSQL += pszTileMatrixTrigger;
5393 : }
5394 : }
5395 :
5396 939 : if (!osSQL.empty() && OGRERR_NONE != SQLCommand(hDB, osSQL))
5397 1 : return FALSE;
5398 :
5399 938 : if (!bFileExists)
5400 : {
5401 : const char *pszMetadataTables =
5402 928 : CSLFetchNameValue(papszOptions, "METADATA_TABLES");
5403 928 : if (pszMetadataTables)
5404 10 : m_nCreateMetadataTables = int(CPLTestBool(pszMetadataTables));
5405 :
5406 928 : if (m_nCreateMetadataTables == TRUE && !CreateMetadataTables())
5407 0 : return FALSE;
5408 :
5409 928 : if (m_bHasDefinition12_063)
5410 : {
5411 84 : if (OGRERR_NONE != CreateExtensionsTableIfNecessary() ||
5412 : OGRERR_NONE !=
5413 42 : SQLCommand(hDB, "INSERT INTO gpkg_extensions "
5414 : "(table_name, column_name, extension_name, "
5415 : "definition, scope) "
5416 : "VALUES "
5417 : "('gpkg_spatial_ref_sys', "
5418 : "'definition_12_063', 'gpkg_crs_wkt', "
5419 : "'http://www.geopackage.org/spec120/"
5420 : "#extension_crs_wkt', 'read-write')"))
5421 : {
5422 0 : return FALSE;
5423 : }
5424 42 : if (m_bHasEpochColumn)
5425 : {
5426 40 : if (OGRERR_NONE !=
5427 40 : SQLCommand(
5428 : hDB, "UPDATE gpkg_extensions SET extension_name = "
5429 : "'gpkg_crs_wkt_1_1' "
5430 80 : "WHERE extension_name = 'gpkg_crs_wkt'") ||
5431 : OGRERR_NONE !=
5432 40 : SQLCommand(hDB, "INSERT INTO gpkg_extensions "
5433 : "(table_name, column_name, "
5434 : "extension_name, definition, scope) "
5435 : "VALUES "
5436 : "('gpkg_spatial_ref_sys', 'epoch', "
5437 : "'gpkg_crs_wkt_1_1', "
5438 : "'http://www.geopackage.org/spec/"
5439 : "#extension_crs_wkt', "
5440 : "'read-write')"))
5441 : {
5442 0 : return FALSE;
5443 : }
5444 : }
5445 : }
5446 : }
5447 :
5448 938 : if (nBandsIn != 0)
5449 : {
5450 190 : const std::string osTableName = CPLGetBasenameSafe(m_pszFilename);
5451 : m_osRasterTable = CSLFetchNameValueDef(papszOptions, "RASTER_TABLE",
5452 190 : osTableName.c_str());
5453 190 : if (m_osRasterTable.empty())
5454 : {
5455 0 : CPLError(CE_Failure, CPLE_AppDefined,
5456 : "RASTER_TABLE must be set to a non empty value");
5457 0 : return FALSE;
5458 : }
5459 190 : m_bIdentifierAsCO =
5460 190 : CSLFetchNameValue(papszOptions, "RASTER_IDENTIFIER") != nullptr;
5461 : m_osIdentifier = CSLFetchNameValueDef(papszOptions, "RASTER_IDENTIFIER",
5462 190 : m_osRasterTable);
5463 190 : m_bDescriptionAsCO =
5464 190 : CSLFetchNameValue(papszOptions, "RASTER_DESCRIPTION") != nullptr;
5465 : m_osDescription =
5466 190 : CSLFetchNameValueDef(papszOptions, "RASTER_DESCRIPTION", "");
5467 190 : SetDataType(eDT);
5468 190 : if (eDT == GDT_Int16)
5469 16 : SetGlobalOffsetScale(-32768.0, 1.0);
5470 :
5471 : /* From C.7. sample_tile_pyramid (Informative) Table 31. EXAMPLE: tiles
5472 : * table Create Table SQL (Informative) */
5473 : char *pszSQL =
5474 190 : sqlite3_mprintf("CREATE TABLE \"%w\" ("
5475 : "id INTEGER PRIMARY KEY AUTOINCREMENT,"
5476 : "zoom_level INTEGER NOT NULL,"
5477 : "tile_column INTEGER NOT NULL,"
5478 : "tile_row INTEGER NOT NULL,"
5479 : "tile_data BLOB NOT NULL,"
5480 : "UNIQUE (zoom_level, tile_column, tile_row)"
5481 : ")",
5482 : m_osRasterTable.c_str());
5483 190 : osSQL = pszSQL;
5484 190 : sqlite3_free(pszSQL);
5485 :
5486 190 : if (bCreateTriggers)
5487 : {
5488 190 : osSQL += ";";
5489 190 : osSQL += CreateRasterTriggersSQL(m_osRasterTable);
5490 : }
5491 :
5492 190 : OGRErr eErr = SQLCommand(hDB, osSQL);
5493 190 : if (OGRERR_NONE != eErr)
5494 0 : return FALSE;
5495 :
5496 190 : const char *pszTF = CSLFetchNameValue(papszOptions, "TILE_FORMAT");
5497 190 : if (eDT == GDT_Int16 || eDT == GDT_UInt16)
5498 : {
5499 27 : m_eTF = GPKG_TF_PNG_16BIT;
5500 27 : if (pszTF)
5501 : {
5502 1 : if (!EQUAL(pszTF, "AUTO") && !EQUAL(pszTF, "PNG"))
5503 : {
5504 0 : CPLError(CE_Warning, CPLE_NotSupported,
5505 : "Only AUTO or PNG supported "
5506 : "as tile format for Int16 / UInt16");
5507 : }
5508 : }
5509 : }
5510 163 : else if (eDT == GDT_Float32)
5511 : {
5512 13 : m_eTF = GPKG_TF_TIFF_32BIT_FLOAT;
5513 13 : if (pszTF)
5514 : {
5515 5 : if (EQUAL(pszTF, "PNG"))
5516 5 : m_eTF = GPKG_TF_PNG_16BIT;
5517 0 : else if (!EQUAL(pszTF, "AUTO") && !EQUAL(pszTF, "TIFF"))
5518 : {
5519 0 : CPLError(CE_Warning, CPLE_NotSupported,
5520 : "Only AUTO, PNG or TIFF supported "
5521 : "as tile format for Float32");
5522 : }
5523 : }
5524 : }
5525 : else
5526 : {
5527 150 : if (pszTF)
5528 : {
5529 71 : m_eTF = GDALGPKGMBTilesGetTileFormat(pszTF);
5530 71 : if (nBandsIn == 1 && m_eTF != GPKG_TF_PNG)
5531 7 : m_bMetadataDirty = true;
5532 : }
5533 79 : else if (nBandsIn == 1)
5534 68 : m_eTF = GPKG_TF_PNG;
5535 : }
5536 :
5537 190 : if (eDT != GDT_Byte)
5538 : {
5539 40 : if (!CreateTileGriddedTable(papszOptions))
5540 0 : return FALSE;
5541 : }
5542 :
5543 190 : nRasterXSize = nXSize;
5544 190 : nRasterYSize = nYSize;
5545 :
5546 : const char *pszTileSize =
5547 190 : CSLFetchNameValueDef(papszOptions, "BLOCKSIZE", "256");
5548 : const char *pszTileWidth =
5549 190 : CSLFetchNameValueDef(papszOptions, "BLOCKXSIZE", pszTileSize);
5550 : const char *pszTileHeight =
5551 190 : CSLFetchNameValueDef(papszOptions, "BLOCKYSIZE", pszTileSize);
5552 190 : int nTileWidth = atoi(pszTileWidth);
5553 190 : int nTileHeight = atoi(pszTileHeight);
5554 190 : if ((nTileWidth < 8 || nTileWidth > 4096 || nTileHeight < 8 ||
5555 380 : nTileHeight > 4096) &&
5556 1 : !CPLTestBool(CPLGetConfigOption("GPKG_ALLOW_CRAZY_SETTINGS", "NO")))
5557 : {
5558 0 : CPLError(CE_Failure, CPLE_AppDefined,
5559 : "Invalid block dimensions: %dx%d", nTileWidth,
5560 : nTileHeight);
5561 0 : return FALSE;
5562 : }
5563 :
5564 513 : for (int i = 1; i <= nBandsIn; i++)
5565 : {
5566 323 : SetBand(i, std::make_unique<GDALGeoPackageRasterBand>(
5567 : this, nTileWidth, nTileHeight));
5568 : }
5569 :
5570 190 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL",
5571 : "IMAGE_STRUCTURE");
5572 190 : GDALPamDataset::SetMetadataItem("IDENTIFIER", m_osIdentifier);
5573 190 : if (!m_osDescription.empty())
5574 1 : GDALPamDataset::SetMetadataItem("DESCRIPTION", m_osDescription);
5575 :
5576 190 : ParseCompressionOptions(papszOptions);
5577 :
5578 190 : if (m_eTF == GPKG_TF_WEBP)
5579 : {
5580 10 : if (!RegisterWebPExtension())
5581 0 : return FALSE;
5582 : }
5583 :
5584 : m_osTilingScheme =
5585 190 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5586 190 : if (!EQUAL(m_osTilingScheme, "CUSTOM"))
5587 : {
5588 22 : const auto poTS = GetTilingScheme(m_osTilingScheme);
5589 22 : if (!poTS)
5590 0 : return FALSE;
5591 :
5592 43 : if (nTileWidth != poTS->nTileWidth ||
5593 21 : nTileHeight != poTS->nTileHeight)
5594 : {
5595 2 : CPLError(CE_Failure, CPLE_NotSupported,
5596 : "Tile dimension should be %dx%d for %s tiling scheme",
5597 1 : poTS->nTileWidth, poTS->nTileHeight,
5598 : m_osTilingScheme.c_str());
5599 1 : return FALSE;
5600 : }
5601 :
5602 : const char *pszZoomLevel =
5603 21 : CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
5604 21 : if (pszZoomLevel)
5605 : {
5606 1 : m_nZoomLevel = atoi(pszZoomLevel);
5607 1 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
5608 1 : while ((1 << nMaxZoomLevelForThisTM) >
5609 2 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
5610 1 : (1 << nMaxZoomLevelForThisTM) >
5611 1 : INT_MAX / poTS->nTileYCountZoomLevel0)
5612 : {
5613 0 : --nMaxZoomLevelForThisTM;
5614 : }
5615 :
5616 1 : if (m_nZoomLevel < 0 || m_nZoomLevel > nMaxZoomLevelForThisTM)
5617 : {
5618 0 : CPLError(CE_Failure, CPLE_AppDefined,
5619 : "ZOOM_LEVEL = %s is invalid. It should be in "
5620 : "[0,%d] range",
5621 : pszZoomLevel, nMaxZoomLevelForThisTM);
5622 0 : return FALSE;
5623 : }
5624 : }
5625 :
5626 : // Implicitly sets SRS.
5627 21 : OGRSpatialReference oSRS;
5628 21 : if (oSRS.importFromEPSG(poTS->nEPSGCode) != OGRERR_NONE)
5629 0 : return FALSE;
5630 21 : char *pszWKT = nullptr;
5631 21 : oSRS.exportToWkt(&pszWKT);
5632 21 : SetProjection(pszWKT);
5633 21 : CPLFree(pszWKT);
5634 : }
5635 : else
5636 : {
5637 168 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5638 : {
5639 0 : CPLError(
5640 : CE_Failure, CPLE_NotSupported,
5641 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5642 0 : return false;
5643 : }
5644 : }
5645 : }
5646 :
5647 937 : if (bFileExists && nBandsIn > 0 && eDT == GDT_Byte)
5648 : {
5649 : // If there was an ogr_empty_table table, we can remove it
5650 9 : RemoveOGREmptyTable();
5651 : }
5652 :
5653 937 : SoftCommitTransaction();
5654 :
5655 : /* Requirement 2 */
5656 : /* We have to do this after there's some content so the database file */
5657 : /* is not zero length */
5658 937 : SetApplicationAndUserVersionId();
5659 :
5660 : /* Default to synchronous=off for performance for new file */
5661 1864 : if (!bFileExists &&
5662 927 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5663 : {
5664 430 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5665 : }
5666 :
5667 937 : return TRUE;
5668 : }
5669 :
5670 : /************************************************************************/
5671 : /* RemoveOGREmptyTable() */
5672 : /************************************************************************/
5673 :
5674 747 : void GDALGeoPackageDataset::RemoveOGREmptyTable()
5675 : {
5676 : // Run with sqlite3_exec since we don't want errors to be emitted
5677 747 : sqlite3_exec(hDB, "DROP TABLE IF EXISTS ogr_empty_table", nullptr, nullptr,
5678 : nullptr);
5679 747 : sqlite3_exec(
5680 : hDB, "DELETE FROM gpkg_contents WHERE table_name = 'ogr_empty_table'",
5681 : nullptr, nullptr, nullptr);
5682 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5683 747 : if (m_bHasGPKGOGRContents)
5684 : {
5685 733 : sqlite3_exec(hDB,
5686 : "DELETE FROM gpkg_ogr_contents WHERE "
5687 : "table_name = 'ogr_empty_table'",
5688 : nullptr, nullptr, nullptr);
5689 : }
5690 : #endif
5691 747 : sqlite3_exec(hDB,
5692 : "DELETE FROM gpkg_geometry_columns WHERE "
5693 : "table_name = 'ogr_empty_table'",
5694 : nullptr, nullptr, nullptr);
5695 747 : }
5696 :
5697 : /************************************************************************/
5698 : /* CreateTileGriddedTable() */
5699 : /************************************************************************/
5700 :
5701 40 : bool GDALGeoPackageDataset::CreateTileGriddedTable(char **papszOptions)
5702 : {
5703 80 : CPLString osSQL;
5704 40 : if (!HasGriddedCoverageAncillaryTable())
5705 : {
5706 : // It doesn't exist. So create gpkg_extensions table if necessary, and
5707 : // gpkg_2d_gridded_coverage_ancillary & gpkg_2d_gridded_tile_ancillary,
5708 : // and register them as extensions.
5709 40 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
5710 0 : return false;
5711 :
5712 : // Req 1 /table-defs/coverage-ancillary
5713 : osSQL = "CREATE TABLE gpkg_2d_gridded_coverage_ancillary ("
5714 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5715 : "tile_matrix_set_name TEXT NOT NULL UNIQUE,"
5716 : "datatype TEXT NOT NULL DEFAULT 'integer',"
5717 : "scale REAL NOT NULL DEFAULT 1.0,"
5718 : "offset REAL NOT NULL DEFAULT 0.0,"
5719 : "precision REAL DEFAULT 1.0,"
5720 : "data_null REAL,"
5721 : "grid_cell_encoding TEXT DEFAULT 'grid-value-is-center',"
5722 : "uom TEXT,"
5723 : "field_name TEXT DEFAULT 'Height',"
5724 : "quantity_definition TEXT DEFAULT 'Height',"
5725 : "CONSTRAINT fk_g2dgtct_name FOREIGN KEY(tile_matrix_set_name) "
5726 : "REFERENCES gpkg_tile_matrix_set ( table_name ) "
5727 : "CHECK (datatype in ('integer','float')))"
5728 : ";"
5729 : // Requirement 2 /table-defs/tile-ancillary
5730 : "CREATE TABLE gpkg_2d_gridded_tile_ancillary ("
5731 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5732 : "tpudt_name TEXT NOT NULL,"
5733 : "tpudt_id INTEGER NOT NULL,"
5734 : "scale REAL NOT NULL DEFAULT 1.0,"
5735 : "offset REAL NOT NULL DEFAULT 0.0,"
5736 : "min REAL DEFAULT NULL,"
5737 : "max REAL DEFAULT NULL,"
5738 : "mean REAL DEFAULT NULL,"
5739 : "std_dev REAL DEFAULT NULL,"
5740 : "CONSTRAINT fk_g2dgtat_name FOREIGN KEY (tpudt_name) "
5741 : "REFERENCES gpkg_contents(table_name),"
5742 : "UNIQUE (tpudt_name, tpudt_id))"
5743 : ";"
5744 : // Requirement 6 /gpkg-extensions
5745 : "INSERT INTO gpkg_extensions "
5746 : "(table_name, column_name, extension_name, definition, scope) "
5747 : "VALUES ('gpkg_2d_gridded_coverage_ancillary', NULL, "
5748 : "'gpkg_2d_gridded_coverage', "
5749 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5750 : "'read-write')"
5751 : ";"
5752 : // Requirement 6 /gpkg-extensions
5753 : "INSERT INTO gpkg_extensions "
5754 : "(table_name, column_name, extension_name, definition, scope) "
5755 : "VALUES ('gpkg_2d_gridded_tile_ancillary', NULL, "
5756 : "'gpkg_2d_gridded_coverage', "
5757 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5758 : "'read-write')"
5759 40 : ";";
5760 : }
5761 :
5762 : // Requirement 6 /gpkg-extensions
5763 40 : char *pszSQL = sqlite3_mprintf(
5764 : "INSERT INTO gpkg_extensions "
5765 : "(table_name, column_name, extension_name, definition, scope) "
5766 : "VALUES ('%q', 'tile_data', "
5767 : "'gpkg_2d_gridded_coverage', "
5768 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5769 : "'read-write')",
5770 : m_osRasterTable.c_str());
5771 40 : osSQL += pszSQL;
5772 40 : osSQL += ";";
5773 40 : sqlite3_free(pszSQL);
5774 :
5775 : // Requirement 7 /gpkg-2d-gridded-coverage-ancillary
5776 : // Requirement 8 /gpkg-2d-gridded-coverage-ancillary-set-name
5777 : // Requirement 9 /gpkg-2d-gridded-coverage-ancillary-datatype
5778 40 : m_dfPrecision =
5779 40 : CPLAtof(CSLFetchNameValueDef(papszOptions, "PRECISION", "1"));
5780 : CPLString osGridCellEncoding(CSLFetchNameValueDef(
5781 80 : papszOptions, "GRID_CELL_ENCODING", "grid-value-is-center"));
5782 40 : m_bGridCellEncodingAsCO =
5783 40 : CSLFetchNameValue(papszOptions, "GRID_CELL_ENCODING") != nullptr;
5784 80 : CPLString osUom(CSLFetchNameValueDef(papszOptions, "UOM", ""));
5785 : CPLString osFieldName(
5786 80 : CSLFetchNameValueDef(papszOptions, "FIELD_NAME", "Height"));
5787 : CPLString osQuantityDefinition(
5788 80 : CSLFetchNameValueDef(papszOptions, "QUANTITY_DEFINITION", "Height"));
5789 :
5790 121 : pszSQL = sqlite3_mprintf(
5791 : "INSERT INTO gpkg_2d_gridded_coverage_ancillary "
5792 : "(tile_matrix_set_name, datatype, scale, offset, precision, "
5793 : "grid_cell_encoding, uom, field_name, quantity_definition) "
5794 : "VALUES (%Q, '%s', %.17g, %.17g, %.17g, %Q, %Q, %Q, %Q)",
5795 : m_osRasterTable.c_str(),
5796 40 : (m_eTF == GPKG_TF_PNG_16BIT) ? "integer" : "float", m_dfScale,
5797 : m_dfOffset, m_dfPrecision, osGridCellEncoding.c_str(),
5798 41 : osUom.empty() ? nullptr : osUom.c_str(), osFieldName.c_str(),
5799 : osQuantityDefinition.c_str());
5800 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary = pszSQL;
5801 40 : sqlite3_free(pszSQL);
5802 :
5803 : // Requirement 3 /gpkg-spatial-ref-sys-row
5804 : auto oResultTable = SQLQuery(
5805 80 : hDB, "SELECT * FROM gpkg_spatial_ref_sys WHERE srs_id = 4979 LIMIT 2");
5806 40 : bool bHasEPSG4979 = (oResultTable && oResultTable->RowCount() == 1);
5807 40 : if (!bHasEPSG4979)
5808 : {
5809 41 : if (!m_bHasDefinition12_063 &&
5810 1 : !ConvertGpkgSpatialRefSysToExtensionWkt2(/*bForceEpoch=*/false))
5811 : {
5812 0 : return false;
5813 : }
5814 :
5815 : // This is WKT 2...
5816 40 : const char *pszWKT =
5817 : "GEODCRS[\"WGS 84\","
5818 : "DATUM[\"World Geodetic System 1984\","
5819 : " ELLIPSOID[\"WGS 84\",6378137,298.257223563,"
5820 : "LENGTHUNIT[\"metre\",1.0]]],"
5821 : "CS[ellipsoidal,3],"
5822 : " AXIS[\"latitude\",north,ORDER[1],ANGLEUNIT[\"degree\","
5823 : "0.0174532925199433]],"
5824 : " AXIS[\"longitude\",east,ORDER[2],ANGLEUNIT[\"degree\","
5825 : "0.0174532925199433]],"
5826 : " AXIS[\"ellipsoidal height\",up,ORDER[3],"
5827 : "LENGTHUNIT[\"metre\",1.0]],"
5828 : "ID[\"EPSG\",4979]]";
5829 :
5830 40 : pszSQL = sqlite3_mprintf(
5831 : "INSERT INTO gpkg_spatial_ref_sys "
5832 : "(srs_name,srs_id,organization,organization_coordsys_id,"
5833 : "definition,definition_12_063) VALUES "
5834 : "('WGS 84 3D', 4979, 'EPSG', 4979, 'undefined', '%q')",
5835 : pszWKT);
5836 40 : osSQL += ";";
5837 40 : osSQL += pszSQL;
5838 40 : sqlite3_free(pszSQL);
5839 : }
5840 :
5841 40 : return SQLCommand(hDB, osSQL) == OGRERR_NONE;
5842 : }
5843 :
5844 : /************************************************************************/
5845 : /* HasGriddedCoverageAncillaryTable() */
5846 : /************************************************************************/
5847 :
5848 44 : bool GDALGeoPackageDataset::HasGriddedCoverageAncillaryTable()
5849 : {
5850 : auto oResultTable = SQLQuery(
5851 : hDB, "SELECT * FROM sqlite_master WHERE type IN ('table', 'view') AND "
5852 44 : "name = 'gpkg_2d_gridded_coverage_ancillary'");
5853 44 : bool bHasTable = (oResultTable && oResultTable->RowCount() == 1);
5854 88 : return bHasTable;
5855 : }
5856 :
5857 : /************************************************************************/
5858 : /* GetUnderlyingDataset() */
5859 : /************************************************************************/
5860 :
5861 3 : static GDALDataset *GetUnderlyingDataset(GDALDataset *poSrcDS)
5862 : {
5863 3 : if (auto poVRTDS = dynamic_cast<VRTDataset *>(poSrcDS))
5864 : {
5865 0 : auto poTmpDS = poVRTDS->GetSingleSimpleSource();
5866 0 : if (poTmpDS)
5867 0 : return poTmpDS;
5868 : }
5869 :
5870 3 : return poSrcDS;
5871 : }
5872 :
5873 : /************************************************************************/
5874 : /* CreateCopy() */
5875 : /************************************************************************/
5876 :
5877 : typedef struct
5878 : {
5879 : const char *pszName;
5880 : GDALResampleAlg eResampleAlg;
5881 : } WarpResamplingAlg;
5882 :
5883 : static const WarpResamplingAlg asResamplingAlg[] = {
5884 : {"NEAREST", GRA_NearestNeighbour},
5885 : {"BILINEAR", GRA_Bilinear},
5886 : {"CUBIC", GRA_Cubic},
5887 : {"CUBICSPLINE", GRA_CubicSpline},
5888 : {"LANCZOS", GRA_Lanczos},
5889 : {"MODE", GRA_Mode},
5890 : {"AVERAGE", GRA_Average},
5891 : {"RMS", GRA_RMS},
5892 : };
5893 :
5894 162 : GDALDataset *GDALGeoPackageDataset::CreateCopy(const char *pszFilename,
5895 : GDALDataset *poSrcDS,
5896 : int bStrict, char **papszOptions,
5897 : GDALProgressFunc pfnProgress,
5898 : void *pProgressData)
5899 : {
5900 162 : const int nBands = poSrcDS->GetRasterCount();
5901 162 : if (nBands == 0)
5902 : {
5903 2 : GDALDataset *poDS = nullptr;
5904 : GDALDriver *poThisDriver =
5905 2 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5906 2 : if (poThisDriver != nullptr)
5907 : {
5908 2 : poDS = poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS,
5909 : bStrict, papszOptions,
5910 : pfnProgress, pProgressData);
5911 : }
5912 2 : return poDS;
5913 : }
5914 :
5915 : const char *pszTilingScheme =
5916 160 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5917 :
5918 320 : CPLStringList apszUpdatedOptions(CSLDuplicate(papszOptions));
5919 160 : if (CPLTestBool(
5920 166 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")) &&
5921 6 : CSLFetchNameValue(papszOptions, "RASTER_TABLE") == nullptr)
5922 : {
5923 : const std::string osBasename(CPLGetBasenameSafe(
5924 6 : GetUnderlyingDataset(poSrcDS)->GetDescription()));
5925 3 : apszUpdatedOptions.SetNameValue("RASTER_TABLE", osBasename.c_str());
5926 : }
5927 :
5928 160 : if (nBands != 1 && nBands != 2 && nBands != 3 && nBands != 4)
5929 : {
5930 1 : CPLError(CE_Failure, CPLE_NotSupported,
5931 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), 3 (RGB) or "
5932 : "4 (RGBA) band dataset supported");
5933 1 : return nullptr;
5934 : }
5935 :
5936 159 : const char *pszUnitType = poSrcDS->GetRasterBand(1)->GetUnitType();
5937 318 : if (CSLFetchNameValue(papszOptions, "UOM") == nullptr && pszUnitType &&
5938 159 : !EQUAL(pszUnitType, ""))
5939 : {
5940 1 : apszUpdatedOptions.SetNameValue("UOM", pszUnitType);
5941 : }
5942 :
5943 159 : if (EQUAL(pszTilingScheme, "CUSTOM"))
5944 : {
5945 135 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5946 : {
5947 0 : CPLError(CE_Failure, CPLE_NotSupported,
5948 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5949 0 : return nullptr;
5950 : }
5951 :
5952 135 : GDALGeoPackageDataset *poDS = nullptr;
5953 : GDALDriver *poThisDriver =
5954 135 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5955 135 : if (poThisDriver != nullptr)
5956 : {
5957 135 : apszUpdatedOptions.SetNameValue("SKIP_HOLES", "YES");
5958 135 : poDS = cpl::down_cast<GDALGeoPackageDataset *>(
5959 : poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS, bStrict,
5960 : apszUpdatedOptions, pfnProgress,
5961 135 : pProgressData));
5962 :
5963 250 : if (poDS != nullptr &&
5964 135 : poSrcDS->GetRasterBand(1)->GetRasterDataType() == GDT_Byte &&
5965 : nBands <= 3)
5966 : {
5967 75 : poDS->m_nBandCountFromMetadata = nBands;
5968 75 : poDS->m_bMetadataDirty = true;
5969 : }
5970 : }
5971 135 : if (poDS)
5972 115 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
5973 135 : return poDS;
5974 : }
5975 :
5976 48 : const auto poTS = GetTilingScheme(pszTilingScheme);
5977 24 : if (!poTS)
5978 : {
5979 2 : return nullptr;
5980 : }
5981 22 : const int nEPSGCode = poTS->nEPSGCode;
5982 :
5983 44 : OGRSpatialReference oSRS;
5984 22 : if (oSRS.importFromEPSG(nEPSGCode) != OGRERR_NONE)
5985 : {
5986 0 : return nullptr;
5987 : }
5988 22 : char *pszWKT = nullptr;
5989 22 : oSRS.exportToWkt(&pszWKT);
5990 22 : char **papszTO = CSLSetNameValue(nullptr, "DST_SRS", pszWKT);
5991 :
5992 22 : void *hTransformArg = nullptr;
5993 :
5994 : // Hack to compensate for GDALSuggestedWarpOutput2() failure (or not
5995 : // ideal suggestion with PROJ 8) when reprojecting latitude = +/- 90 to
5996 : // EPSG:3857.
5997 22 : GDALGeoTransform srcGT;
5998 22 : std::unique_ptr<GDALDataset> poTmpDS;
5999 22 : bool bEPSG3857Adjust = false;
6000 8 : if (nEPSGCode == 3857 && poSrcDS->GetGeoTransform(srcGT) == CE_None &&
6001 30 : srcGT[2] == 0 && srcGT[4] == 0 && srcGT[5] < 0)
6002 : {
6003 8 : const auto poSrcSRS = poSrcDS->GetSpatialRef();
6004 8 : if (poSrcSRS && poSrcSRS->IsGeographic())
6005 : {
6006 2 : double maxLat = srcGT[3];
6007 2 : double minLat = srcGT[3] + poSrcDS->GetRasterYSize() * srcGT[5];
6008 : // Corresponds to the latitude of below MAX_GM
6009 2 : constexpr double MAX_LAT = 85.0511287798066;
6010 2 : bool bModified = false;
6011 2 : if (maxLat > MAX_LAT)
6012 : {
6013 2 : maxLat = MAX_LAT;
6014 2 : bModified = true;
6015 : }
6016 2 : if (minLat < -MAX_LAT)
6017 : {
6018 2 : minLat = -MAX_LAT;
6019 2 : bModified = true;
6020 : }
6021 2 : if (bModified)
6022 : {
6023 4 : CPLStringList aosOptions;
6024 2 : aosOptions.AddString("-of");
6025 2 : aosOptions.AddString("VRT");
6026 2 : aosOptions.AddString("-projwin");
6027 2 : aosOptions.AddString(CPLSPrintf("%.17g", srcGT[0]));
6028 2 : aosOptions.AddString(CPLSPrintf("%.17g", maxLat));
6029 : aosOptions.AddString(CPLSPrintf(
6030 2 : "%.17g", srcGT[0] + poSrcDS->GetRasterXSize() * srcGT[1]));
6031 2 : aosOptions.AddString(CPLSPrintf("%.17g", minLat));
6032 : auto psOptions =
6033 2 : GDALTranslateOptionsNew(aosOptions.List(), nullptr);
6034 2 : poTmpDS.reset(GDALDataset::FromHandle(GDALTranslate(
6035 : "", GDALDataset::ToHandle(poSrcDS), psOptions, nullptr)));
6036 2 : GDALTranslateOptionsFree(psOptions);
6037 2 : if (poTmpDS)
6038 : {
6039 2 : bEPSG3857Adjust = true;
6040 2 : hTransformArg = GDALCreateGenImgProjTransformer2(
6041 2 : GDALDataset::FromHandle(poTmpDS.get()), nullptr,
6042 : papszTO);
6043 : }
6044 : }
6045 : }
6046 : }
6047 22 : if (hTransformArg == nullptr)
6048 : {
6049 : hTransformArg =
6050 20 : GDALCreateGenImgProjTransformer2(poSrcDS, nullptr, papszTO);
6051 : }
6052 :
6053 22 : if (hTransformArg == nullptr)
6054 : {
6055 1 : CPLFree(pszWKT);
6056 1 : CSLDestroy(papszTO);
6057 1 : return nullptr;
6058 : }
6059 :
6060 21 : GDALTransformerInfo *psInfo =
6061 : static_cast<GDALTransformerInfo *>(hTransformArg);
6062 21 : GDALGeoTransform gt;
6063 : double adfExtent[4];
6064 : int nXSize, nYSize;
6065 :
6066 21 : if (GDALSuggestedWarpOutput2(poSrcDS, psInfo->pfnTransform, hTransformArg,
6067 : gt.data(), &nXSize, &nYSize, adfExtent,
6068 21 : 0) != CE_None)
6069 : {
6070 0 : CPLFree(pszWKT);
6071 0 : CSLDestroy(papszTO);
6072 0 : GDALDestroyGenImgProjTransformer(hTransformArg);
6073 0 : return nullptr;
6074 : }
6075 :
6076 21 : GDALDestroyGenImgProjTransformer(hTransformArg);
6077 21 : hTransformArg = nullptr;
6078 21 : poTmpDS.reset();
6079 :
6080 21 : if (bEPSG3857Adjust)
6081 : {
6082 2 : constexpr double SPHERICAL_RADIUS = 6378137.0;
6083 2 : constexpr double MAX_GM =
6084 : SPHERICAL_RADIUS * M_PI; // 20037508.342789244
6085 2 : double maxNorthing = gt[3];
6086 2 : double minNorthing = gt[3] + gt[5] * nYSize;
6087 2 : bool bChanged = false;
6088 2 : if (maxNorthing > MAX_GM)
6089 : {
6090 2 : bChanged = true;
6091 2 : maxNorthing = MAX_GM;
6092 : }
6093 2 : if (minNorthing < -MAX_GM)
6094 : {
6095 2 : bChanged = true;
6096 2 : minNorthing = -MAX_GM;
6097 : }
6098 2 : if (bChanged)
6099 : {
6100 2 : gt[3] = maxNorthing;
6101 2 : nYSize = int((maxNorthing - minNorthing) / (-gt[5]) + 0.5);
6102 2 : adfExtent[1] = maxNorthing + nYSize * gt[5];
6103 2 : adfExtent[3] = maxNorthing;
6104 : }
6105 : }
6106 :
6107 21 : double dfComputedRes = gt[1];
6108 21 : double dfPrevRes = 0.0;
6109 21 : double dfRes = 0.0;
6110 21 : int nZoomLevel = 0; // Used after for.
6111 21 : const char *pszZoomLevel = CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
6112 21 : if (pszZoomLevel)
6113 : {
6114 2 : nZoomLevel = atoi(pszZoomLevel);
6115 :
6116 2 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
6117 2 : while ((1 << nMaxZoomLevelForThisTM) >
6118 4 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
6119 2 : (1 << nMaxZoomLevelForThisTM) >
6120 2 : INT_MAX / poTS->nTileYCountZoomLevel0)
6121 : {
6122 0 : --nMaxZoomLevelForThisTM;
6123 : }
6124 :
6125 2 : if (nZoomLevel < 0 || nZoomLevel > nMaxZoomLevelForThisTM)
6126 : {
6127 1 : CPLError(CE_Failure, CPLE_AppDefined,
6128 : "ZOOM_LEVEL = %s is invalid. It should be in [0,%d] range",
6129 : pszZoomLevel, nMaxZoomLevelForThisTM);
6130 1 : CPLFree(pszWKT);
6131 1 : CSLDestroy(papszTO);
6132 1 : return nullptr;
6133 : }
6134 : }
6135 : else
6136 : {
6137 171 : for (; nZoomLevel < MAX_ZOOM_LEVEL; nZoomLevel++)
6138 : {
6139 171 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6140 171 : if (dfComputedRes > dfRes ||
6141 152 : fabs(dfComputedRes - dfRes) / dfRes <= 1e-8)
6142 : break;
6143 152 : dfPrevRes = dfRes;
6144 : }
6145 38 : if (nZoomLevel == MAX_ZOOM_LEVEL ||
6146 38 : (1 << nZoomLevel) > INT_MAX / poTS->nTileXCountZoomLevel0 ||
6147 19 : (1 << nZoomLevel) > INT_MAX / poTS->nTileYCountZoomLevel0)
6148 : {
6149 0 : CPLError(CE_Failure, CPLE_AppDefined,
6150 : "Could not find an appropriate zoom level");
6151 0 : CPLFree(pszWKT);
6152 0 : CSLDestroy(papszTO);
6153 0 : return nullptr;
6154 : }
6155 :
6156 19 : if (nZoomLevel > 0 && fabs(dfComputedRes - dfRes) / dfRes > 1e-8)
6157 : {
6158 17 : const char *pszZoomLevelStrategy = CSLFetchNameValueDef(
6159 : papszOptions, "ZOOM_LEVEL_STRATEGY", "AUTO");
6160 17 : if (EQUAL(pszZoomLevelStrategy, "LOWER"))
6161 : {
6162 1 : nZoomLevel--;
6163 : }
6164 16 : else if (EQUAL(pszZoomLevelStrategy, "UPPER"))
6165 : {
6166 : /* do nothing */
6167 : }
6168 : else
6169 : {
6170 15 : if (dfPrevRes / dfComputedRes < dfComputedRes / dfRes)
6171 13 : nZoomLevel--;
6172 : }
6173 : }
6174 : }
6175 :
6176 20 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6177 :
6178 20 : double dfMinX = adfExtent[0];
6179 20 : double dfMinY = adfExtent[1];
6180 20 : double dfMaxX = adfExtent[2];
6181 20 : double dfMaxY = adfExtent[3];
6182 :
6183 20 : nXSize = static_cast<int>(0.5 + (dfMaxX - dfMinX) / dfRes);
6184 20 : nYSize = static_cast<int>(0.5 + (dfMaxY - dfMinY) / dfRes);
6185 20 : gt[1] = dfRes;
6186 20 : gt[5] = -dfRes;
6187 :
6188 20 : const GDALDataType eDT = poSrcDS->GetRasterBand(1)->GetRasterDataType();
6189 20 : int nTargetBands = nBands;
6190 : /* For grey level or RGB, if there's reprojection involved, add an alpha */
6191 : /* channel */
6192 37 : if (eDT == GDT_Byte &&
6193 13 : ((nBands == 1 &&
6194 17 : poSrcDS->GetRasterBand(1)->GetColorTable() == nullptr) ||
6195 : nBands == 3))
6196 : {
6197 30 : OGRSpatialReference oSrcSRS;
6198 15 : oSrcSRS.SetFromUserInput(poSrcDS->GetProjectionRef());
6199 15 : oSrcSRS.AutoIdentifyEPSG();
6200 30 : if (oSrcSRS.GetAuthorityCode(nullptr) == nullptr ||
6201 15 : atoi(oSrcSRS.GetAuthorityCode(nullptr)) != nEPSGCode)
6202 : {
6203 13 : nTargetBands++;
6204 : }
6205 : }
6206 :
6207 20 : GDALResampleAlg eResampleAlg = GRA_Bilinear;
6208 20 : const char *pszResampling = CSLFetchNameValue(papszOptions, "RESAMPLING");
6209 20 : if (pszResampling)
6210 : {
6211 6 : for (size_t iAlg = 0;
6212 6 : iAlg < sizeof(asResamplingAlg) / sizeof(asResamplingAlg[0]);
6213 : iAlg++)
6214 : {
6215 6 : if (EQUAL(pszResampling, asResamplingAlg[iAlg].pszName))
6216 : {
6217 3 : eResampleAlg = asResamplingAlg[iAlg].eResampleAlg;
6218 3 : break;
6219 : }
6220 : }
6221 : }
6222 :
6223 16 : if (nBands == 1 && poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr &&
6224 36 : eResampleAlg != GRA_NearestNeighbour && eResampleAlg != GRA_Mode)
6225 : {
6226 0 : CPLError(
6227 : CE_Warning, CPLE_AppDefined,
6228 : "Input dataset has a color table, which will likely lead to "
6229 : "bad results when using a resampling method other than "
6230 : "nearest neighbour or mode. Converting the dataset to 24/32 bit "
6231 : "(e.g. with gdal_translate -expand rgb/rgba) is advised.");
6232 : }
6233 :
6234 40 : auto poDS = std::make_unique<GDALGeoPackageDataset>();
6235 20 : if (!(poDS->Create(pszFilename, nXSize, nYSize, nTargetBands, eDT,
6236 : apszUpdatedOptions)))
6237 : {
6238 1 : CPLFree(pszWKT);
6239 1 : CSLDestroy(papszTO);
6240 1 : return nullptr;
6241 : }
6242 :
6243 : // Assign nodata values before the SetGeoTransform call.
6244 : // SetGeoTransform will trigger creation of the overview datasets for each
6245 : // zoom level and at that point the nodata value needs to be known.
6246 19 : int bHasNoData = FALSE;
6247 : double dfNoDataValue =
6248 19 : poSrcDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
6249 19 : if (eDT != GDT_Byte && bHasNoData)
6250 : {
6251 3 : poDS->GetRasterBand(1)->SetNoDataValue(dfNoDataValue);
6252 : }
6253 :
6254 19 : poDS->SetGeoTransform(gt);
6255 19 : poDS->SetProjection(pszWKT);
6256 19 : CPLFree(pszWKT);
6257 19 : pszWKT = nullptr;
6258 24 : if (nTargetBands == 1 && nBands == 1 &&
6259 5 : poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr)
6260 : {
6261 2 : poDS->GetRasterBand(1)->SetColorTable(
6262 1 : poSrcDS->GetRasterBand(1)->GetColorTable());
6263 : }
6264 :
6265 : hTransformArg =
6266 19 : GDALCreateGenImgProjTransformer2(poSrcDS, poDS.get(), papszTO);
6267 19 : CSLDestroy(papszTO);
6268 19 : if (hTransformArg == nullptr)
6269 : {
6270 0 : return nullptr;
6271 : }
6272 :
6273 19 : poDS->SetMetadata(poSrcDS->GetMetadata());
6274 :
6275 : /* -------------------------------------------------------------------- */
6276 : /* Warp the transformer with a linear approximator */
6277 : /* -------------------------------------------------------------------- */
6278 19 : hTransformArg = GDALCreateApproxTransformer(GDALGenImgProjTransform,
6279 : hTransformArg, 0.125);
6280 19 : GDALApproxTransformerOwnsSubtransformer(hTransformArg, TRUE);
6281 :
6282 : /* -------------------------------------------------------------------- */
6283 : /* Setup warp options. */
6284 : /* -------------------------------------------------------------------- */
6285 19 : GDALWarpOptions *psWO = GDALCreateWarpOptions();
6286 :
6287 19 : psWO->papszWarpOptions = CSLSetNameValue(nullptr, "OPTIMIZE_SIZE", "YES");
6288 19 : psWO->papszWarpOptions =
6289 19 : CSLSetNameValue(psWO->papszWarpOptions, "SAMPLE_GRID", "YES");
6290 19 : if (bHasNoData)
6291 : {
6292 3 : if (dfNoDataValue == 0.0)
6293 : {
6294 : // Do not initialize in the case where nodata != 0, since we
6295 : // want the GeoPackage driver to return empty tiles at the nodata
6296 : // value instead of 0 as GDAL core would
6297 0 : psWO->papszWarpOptions =
6298 0 : CSLSetNameValue(psWO->papszWarpOptions, "INIT_DEST", "0");
6299 : }
6300 :
6301 3 : psWO->padfSrcNoDataReal =
6302 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6303 3 : psWO->padfSrcNoDataReal[0] = dfNoDataValue;
6304 :
6305 3 : psWO->padfDstNoDataReal =
6306 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6307 3 : psWO->padfDstNoDataReal[0] = dfNoDataValue;
6308 : }
6309 19 : psWO->eWorkingDataType = eDT;
6310 19 : psWO->eResampleAlg = eResampleAlg;
6311 :
6312 19 : psWO->hSrcDS = poSrcDS;
6313 19 : psWO->hDstDS = poDS.get();
6314 :
6315 19 : psWO->pfnTransformer = GDALApproxTransform;
6316 19 : psWO->pTransformerArg = hTransformArg;
6317 :
6318 19 : psWO->pfnProgress = pfnProgress;
6319 19 : psWO->pProgressArg = pProgressData;
6320 :
6321 : /* -------------------------------------------------------------------- */
6322 : /* Setup band mapping. */
6323 : /* -------------------------------------------------------------------- */
6324 :
6325 19 : if (nBands == 2 || nBands == 4)
6326 1 : psWO->nBandCount = nBands - 1;
6327 : else
6328 18 : psWO->nBandCount = nBands;
6329 :
6330 19 : psWO->panSrcBands =
6331 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6332 19 : psWO->panDstBands =
6333 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6334 :
6335 46 : for (int i = 0; i < psWO->nBandCount; i++)
6336 : {
6337 27 : psWO->panSrcBands[i] = i + 1;
6338 27 : psWO->panDstBands[i] = i + 1;
6339 : }
6340 :
6341 19 : if (nBands == 2 || nBands == 4)
6342 : {
6343 1 : psWO->nSrcAlphaBand = nBands;
6344 : }
6345 19 : if (nTargetBands == 2 || nTargetBands == 4)
6346 : {
6347 13 : psWO->nDstAlphaBand = nTargetBands;
6348 : }
6349 :
6350 : /* -------------------------------------------------------------------- */
6351 : /* Initialize and execute the warp. */
6352 : /* -------------------------------------------------------------------- */
6353 38 : GDALWarpOperation oWO;
6354 :
6355 19 : CPLErr eErr = oWO.Initialize(psWO);
6356 19 : if (eErr == CE_None)
6357 : {
6358 : /*if( bMulti )
6359 : eErr = oWO.ChunkAndWarpMulti( 0, 0, nXSize, nYSize );
6360 : else*/
6361 19 : eErr = oWO.ChunkAndWarpImage(0, 0, nXSize, nYSize);
6362 : }
6363 19 : if (eErr != CE_None)
6364 : {
6365 0 : poDS.reset();
6366 : }
6367 :
6368 19 : GDALDestroyTransformer(hTransformArg);
6369 19 : GDALDestroyWarpOptions(psWO);
6370 :
6371 19 : if (poDS)
6372 19 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
6373 :
6374 19 : return poDS.release();
6375 : }
6376 :
6377 : /************************************************************************/
6378 : /* ParseCompressionOptions() */
6379 : /************************************************************************/
6380 :
6381 459 : void GDALGeoPackageDataset::ParseCompressionOptions(char **papszOptions)
6382 : {
6383 459 : const char *pszZLevel = CSLFetchNameValue(papszOptions, "ZLEVEL");
6384 459 : if (pszZLevel)
6385 0 : m_nZLevel = atoi(pszZLevel);
6386 :
6387 459 : const char *pszQuality = CSLFetchNameValue(papszOptions, "QUALITY");
6388 459 : if (pszQuality)
6389 0 : m_nQuality = atoi(pszQuality);
6390 :
6391 459 : const char *pszDither = CSLFetchNameValue(papszOptions, "DITHER");
6392 459 : if (pszDither)
6393 0 : m_bDither = CPLTestBool(pszDither);
6394 459 : }
6395 :
6396 : /************************************************************************/
6397 : /* RegisterWebPExtension() */
6398 : /************************************************************************/
6399 :
6400 11 : bool GDALGeoPackageDataset::RegisterWebPExtension()
6401 : {
6402 11 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6403 0 : return false;
6404 :
6405 11 : char *pszSQL = sqlite3_mprintf(
6406 : "INSERT INTO gpkg_extensions "
6407 : "(table_name, column_name, extension_name, definition, scope) "
6408 : "VALUES "
6409 : "('%q', 'tile_data', 'gpkg_webp', "
6410 : "'http://www.geopackage.org/spec120/#extension_tiles_webp', "
6411 : "'read-write')",
6412 : m_osRasterTable.c_str());
6413 11 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6414 11 : sqlite3_free(pszSQL);
6415 :
6416 11 : return OGRERR_NONE == eErr;
6417 : }
6418 :
6419 : /************************************************************************/
6420 : /* RegisterZoomOtherExtension() */
6421 : /************************************************************************/
6422 :
6423 1 : bool GDALGeoPackageDataset::RegisterZoomOtherExtension()
6424 : {
6425 1 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6426 0 : return false;
6427 :
6428 1 : char *pszSQL = sqlite3_mprintf(
6429 : "INSERT INTO gpkg_extensions "
6430 : "(table_name, column_name, extension_name, definition, scope) "
6431 : "VALUES "
6432 : "('%q', 'tile_data', 'gpkg_zoom_other', "
6433 : "'http://www.geopackage.org/spec120/#extension_zoom_other_intervals', "
6434 : "'read-write')",
6435 : m_osRasterTable.c_str());
6436 1 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6437 1 : sqlite3_free(pszSQL);
6438 1 : return OGRERR_NONE == eErr;
6439 : }
6440 :
6441 : /************************************************************************/
6442 : /* GetLayer() */
6443 : /************************************************************************/
6444 :
6445 15901 : const OGRLayer *GDALGeoPackageDataset::GetLayer(int iLayer) const
6446 :
6447 : {
6448 15901 : if (iLayer < 0 || iLayer >= static_cast<int>(m_apoLayers.size()))
6449 7 : return nullptr;
6450 : else
6451 15894 : return m_apoLayers[iLayer].get();
6452 : }
6453 :
6454 : /************************************************************************/
6455 : /* LaunderName() */
6456 : /************************************************************************/
6457 :
6458 : /** Launder identifiers (table, column names) according to guidance at
6459 : * https://www.geopackage.org/guidance/getting-started.html:
6460 : * "For maximum interoperability, start your database identifiers (table names,
6461 : * column names, etc.) with a lowercase character and only use lowercase
6462 : * characters, numbers 0-9, and underscores (_)."
6463 : */
6464 :
6465 : /* static */
6466 5 : std::string GDALGeoPackageDataset::LaunderName(const std::string &osStr)
6467 : {
6468 5 : char *pszASCII = CPLUTF8ForceToASCII(osStr.c_str(), '_');
6469 10 : const std::string osStrASCII(pszASCII);
6470 5 : CPLFree(pszASCII);
6471 :
6472 10 : std::string osRet;
6473 5 : osRet.reserve(osStrASCII.size());
6474 :
6475 29 : for (size_t i = 0; i < osStrASCII.size(); ++i)
6476 : {
6477 24 : if (osRet.empty())
6478 : {
6479 5 : if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6480 : {
6481 2 : osRet += (osStrASCII[i] - 'A' + 'a');
6482 : }
6483 3 : else if (osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z')
6484 : {
6485 2 : osRet += osStrASCII[i];
6486 : }
6487 : else
6488 : {
6489 1 : continue;
6490 : }
6491 : }
6492 19 : else if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6493 : {
6494 11 : osRet += (osStrASCII[i] - 'A' + 'a');
6495 : }
6496 9 : else if ((osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z') ||
6497 14 : (osStrASCII[i] >= '0' && osStrASCII[i] <= '9') ||
6498 5 : osStrASCII[i] == '_')
6499 : {
6500 7 : osRet += osStrASCII[i];
6501 : }
6502 : else
6503 : {
6504 1 : osRet += '_';
6505 : }
6506 : }
6507 :
6508 5 : if (osRet.empty() && !osStrASCII.empty())
6509 2 : return LaunderName(std::string("x").append(osStrASCII));
6510 :
6511 4 : if (osRet != osStr)
6512 : {
6513 3 : CPLDebug("PG", "LaunderName('%s') -> '%s'", osStr.c_str(),
6514 : osRet.c_str());
6515 : }
6516 :
6517 4 : return osRet;
6518 : }
6519 :
6520 : /************************************************************************/
6521 : /* ICreateLayer() */
6522 : /************************************************************************/
6523 :
6524 : OGRLayer *
6525 844 : GDALGeoPackageDataset::ICreateLayer(const char *pszLayerName,
6526 : const OGRGeomFieldDefn *poSrcGeomFieldDefn,
6527 : CSLConstList papszOptions)
6528 : {
6529 : /* -------------------------------------------------------------------- */
6530 : /* Verify we are in update mode. */
6531 : /* -------------------------------------------------------------------- */
6532 844 : if (!GetUpdate())
6533 : {
6534 0 : CPLError(CE_Failure, CPLE_NoWriteAccess,
6535 : "Data source %s opened read-only.\n"
6536 : "New layer %s cannot be created.\n",
6537 : m_pszFilename, pszLayerName);
6538 :
6539 0 : return nullptr;
6540 : }
6541 :
6542 : const bool bLaunder =
6543 844 : CPLTestBool(CSLFetchNameValueDef(papszOptions, "LAUNDER", "NO"));
6544 : const std::string osTableName(bLaunder ? LaunderName(pszLayerName)
6545 2532 : : std::string(pszLayerName));
6546 :
6547 : const auto eGType =
6548 844 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetType() : wkbNone;
6549 : const auto poSpatialRef =
6550 844 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetSpatialRef() : nullptr;
6551 :
6552 844 : if (!m_bHasGPKGGeometryColumns)
6553 : {
6554 1 : if (SQLCommand(hDB, pszCREATE_GPKG_GEOMETRY_COLUMNS) != OGRERR_NONE)
6555 : {
6556 0 : return nullptr;
6557 : }
6558 1 : m_bHasGPKGGeometryColumns = true;
6559 : }
6560 :
6561 : // Check identifier unicity
6562 844 : const char *pszIdentifier = CSLFetchNameValue(papszOptions, "IDENTIFIER");
6563 844 : if (pszIdentifier != nullptr && pszIdentifier[0] == '\0')
6564 0 : pszIdentifier = nullptr;
6565 844 : if (pszIdentifier != nullptr)
6566 : {
6567 13 : for (auto &poLayer : m_apoLayers)
6568 : {
6569 : const char *pszOtherIdentifier =
6570 9 : poLayer->GetMetadataItem("IDENTIFIER");
6571 9 : if (pszOtherIdentifier == nullptr)
6572 6 : pszOtherIdentifier = poLayer->GetName();
6573 18 : if (pszOtherIdentifier != nullptr &&
6574 12 : EQUAL(pszOtherIdentifier, pszIdentifier) &&
6575 3 : !EQUAL(poLayer->GetName(), osTableName.c_str()))
6576 : {
6577 2 : CPLError(CE_Failure, CPLE_AppDefined,
6578 : "Identifier %s is already used by table %s",
6579 : pszIdentifier, poLayer->GetName());
6580 2 : return nullptr;
6581 : }
6582 : }
6583 :
6584 : // In case there would be table in gpkg_contents not listed as a
6585 : // vector layer
6586 4 : char *pszSQL = sqlite3_mprintf(
6587 : "SELECT table_name FROM gpkg_contents WHERE identifier = '%q' "
6588 : "LIMIT 2",
6589 : pszIdentifier);
6590 4 : auto oResult = SQLQuery(hDB, pszSQL);
6591 4 : sqlite3_free(pszSQL);
6592 8 : if (oResult && oResult->RowCount() > 0 &&
6593 9 : oResult->GetValue(0, 0) != nullptr &&
6594 1 : !EQUAL(oResult->GetValue(0, 0), osTableName.c_str()))
6595 : {
6596 1 : CPLError(CE_Failure, CPLE_AppDefined,
6597 : "Identifier %s is already used by table %s", pszIdentifier,
6598 : oResult->GetValue(0, 0));
6599 1 : return nullptr;
6600 : }
6601 : }
6602 :
6603 : /* Read GEOMETRY_NAME option */
6604 : const char *pszGeomColumnName =
6605 841 : CSLFetchNameValue(papszOptions, "GEOMETRY_NAME");
6606 841 : if (pszGeomColumnName == nullptr) /* deprecated name */
6607 758 : pszGeomColumnName = CSLFetchNameValue(papszOptions, "GEOMETRY_COLUMN");
6608 841 : if (pszGeomColumnName == nullptr && poSrcGeomFieldDefn)
6609 : {
6610 681 : pszGeomColumnName = poSrcGeomFieldDefn->GetNameRef();
6611 681 : if (pszGeomColumnName && pszGeomColumnName[0] == 0)
6612 677 : pszGeomColumnName = nullptr;
6613 : }
6614 841 : if (pszGeomColumnName == nullptr)
6615 754 : pszGeomColumnName = "geom";
6616 : const bool bGeomNullable =
6617 841 : CPLFetchBool(papszOptions, "GEOMETRY_NULLABLE", true);
6618 :
6619 : /* Read FID option */
6620 841 : const char *pszFIDColumnName = CSLFetchNameValue(papszOptions, "FID");
6621 841 : if (pszFIDColumnName == nullptr)
6622 764 : pszFIDColumnName = "fid";
6623 :
6624 841 : if (CPLTestBool(CPLGetConfigOption("GPKG_NAME_CHECK", "YES")))
6625 : {
6626 841 : if (strspn(pszFIDColumnName, "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") > 0)
6627 : {
6628 2 : CPLError(CE_Failure, CPLE_AppDefined,
6629 : "The primary key (%s) name may not contain special "
6630 : "characters or spaces",
6631 : pszFIDColumnName);
6632 2 : return nullptr;
6633 : }
6634 :
6635 : /* Avoiding gpkg prefixes is not an official requirement, but seems wise
6636 : */
6637 839 : if (STARTS_WITH(osTableName.c_str(), "gpkg"))
6638 : {
6639 0 : CPLError(CE_Failure, CPLE_AppDefined,
6640 : "The layer name may not begin with 'gpkg' as it is a "
6641 : "reserved geopackage prefix");
6642 0 : return nullptr;
6643 : }
6644 :
6645 : /* Preemptively try and avoid sqlite3 syntax errors due to */
6646 : /* illegal characters. */
6647 839 : if (strspn(osTableName.c_str(), "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") >
6648 : 0)
6649 : {
6650 0 : CPLError(
6651 : CE_Failure, CPLE_AppDefined,
6652 : "The layer name may not contain special characters or spaces");
6653 0 : return nullptr;
6654 : }
6655 : }
6656 :
6657 : /* Check for any existing layers that already use this name */
6658 1047 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6659 : iLayer++)
6660 : {
6661 209 : if (EQUAL(osTableName.c_str(), m_apoLayers[iLayer]->GetName()))
6662 : {
6663 : const char *pszOverwrite =
6664 2 : CSLFetchNameValue(papszOptions, "OVERWRITE");
6665 2 : if (pszOverwrite != nullptr && CPLTestBool(pszOverwrite))
6666 : {
6667 1 : DeleteLayer(iLayer);
6668 : }
6669 : else
6670 : {
6671 1 : CPLError(CE_Failure, CPLE_AppDefined,
6672 : "Layer %s already exists, CreateLayer failed.\n"
6673 : "Use the layer creation option OVERWRITE=YES to "
6674 : "replace it.",
6675 : osTableName.c_str());
6676 1 : return nullptr;
6677 : }
6678 : }
6679 : }
6680 :
6681 838 : if (m_apoLayers.size() == 1)
6682 : {
6683 : // Async RTree building doesn't play well with multiple layer:
6684 : // SQLite3 locks being hold for a long time, random failed commits,
6685 : // etc.
6686 82 : m_apoLayers[0]->FinishOrDisableThreadedRTree();
6687 : }
6688 :
6689 : /* Create a blank layer. */
6690 : auto poLayer =
6691 1676 : std::make_unique<OGRGeoPackageTableLayer>(this, osTableName.c_str());
6692 :
6693 838 : OGRSpatialReference *poSRS = nullptr;
6694 838 : if (poSpatialRef)
6695 : {
6696 251 : poSRS = poSpatialRef->Clone();
6697 251 : poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
6698 : }
6699 1677 : poLayer->SetCreationParameters(
6700 : eGType,
6701 839 : bLaunder ? LaunderName(pszGeomColumnName).c_str() : pszGeomColumnName,
6702 : bGeomNullable, poSRS, CSLFetchNameValue(papszOptions, "SRID"),
6703 1676 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetCoordinatePrecision()
6704 : : OGRGeomCoordinatePrecision(),
6705 838 : CPLTestBool(
6706 : CSLFetchNameValueDef(papszOptions, "DISCARD_COORD_LSB", "NO")),
6707 838 : CPLTestBool(CSLFetchNameValueDef(
6708 : papszOptions, "UNDO_DISCARD_COORD_LSB_ON_READING", "NO")),
6709 839 : bLaunder ? LaunderName(pszFIDColumnName).c_str() : pszFIDColumnName,
6710 : pszIdentifier, CSLFetchNameValue(papszOptions, "DESCRIPTION"));
6711 838 : if (poSRS)
6712 : {
6713 251 : poSRS->Release();
6714 : }
6715 :
6716 838 : poLayer->SetLaunder(bLaunder);
6717 :
6718 : /* Should we create a spatial index ? */
6719 838 : const char *pszSI = CSLFetchNameValue(papszOptions, "SPATIAL_INDEX");
6720 838 : int bCreateSpatialIndex = (pszSI == nullptr || CPLTestBool(pszSI));
6721 838 : if (eGType != wkbNone && bCreateSpatialIndex)
6722 : {
6723 739 : poLayer->SetDeferredSpatialIndexCreation(true);
6724 : }
6725 :
6726 838 : poLayer->SetPrecisionFlag(CPLFetchBool(papszOptions, "PRECISION", true));
6727 838 : poLayer->SetTruncateFieldsFlag(
6728 838 : CPLFetchBool(papszOptions, "TRUNCATE_FIELDS", false));
6729 838 : if (eGType == wkbNone)
6730 : {
6731 77 : const char *pszASpatialVariant = CSLFetchNameValueDef(
6732 : papszOptions, "ASPATIAL_VARIANT",
6733 77 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound
6734 : ? "NOT_REGISTERED"
6735 : : "GPKG_ATTRIBUTES");
6736 77 : GPKGASpatialVariant eASpatialVariant = GPKG_ATTRIBUTES;
6737 77 : if (EQUAL(pszASpatialVariant, "GPKG_ATTRIBUTES"))
6738 65 : eASpatialVariant = GPKG_ATTRIBUTES;
6739 12 : else if (EQUAL(pszASpatialVariant, "OGR_ASPATIAL"))
6740 : {
6741 0 : CPLError(CE_Failure, CPLE_NotSupported,
6742 : "ASPATIAL_VARIANT=OGR_ASPATIAL is no longer supported");
6743 0 : return nullptr;
6744 : }
6745 12 : else if (EQUAL(pszASpatialVariant, "NOT_REGISTERED"))
6746 12 : eASpatialVariant = NOT_REGISTERED;
6747 : else
6748 : {
6749 0 : CPLError(CE_Failure, CPLE_NotSupported,
6750 : "Unsupported value for ASPATIAL_VARIANT: %s",
6751 : pszASpatialVariant);
6752 0 : return nullptr;
6753 : }
6754 77 : poLayer->SetASpatialVariant(eASpatialVariant);
6755 : }
6756 :
6757 : const char *pszDateTimePrecision =
6758 838 : CSLFetchNameValueDef(papszOptions, "DATETIME_PRECISION", "AUTO");
6759 838 : if (EQUAL(pszDateTimePrecision, "MILLISECOND"))
6760 : {
6761 2 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6762 : }
6763 836 : else if (EQUAL(pszDateTimePrecision, "SECOND"))
6764 : {
6765 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6766 0 : CPLError(
6767 : CE_Warning, CPLE_AppDefined,
6768 : "DATETIME_PRECISION=SECOND is only valid since GeoPackage 1.4");
6769 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::SECOND);
6770 : }
6771 835 : else if (EQUAL(pszDateTimePrecision, "MINUTE"))
6772 : {
6773 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6774 0 : CPLError(
6775 : CE_Warning, CPLE_AppDefined,
6776 : "DATETIME_PRECISION=MINUTE is only valid since GeoPackage 1.4");
6777 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MINUTE);
6778 : }
6779 834 : else if (EQUAL(pszDateTimePrecision, "AUTO"))
6780 : {
6781 833 : if (m_nUserVersion < GPKG_1_4_VERSION)
6782 13 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6783 : }
6784 : else
6785 : {
6786 1 : CPLError(CE_Failure, CPLE_NotSupported,
6787 : "Unsupported value for DATETIME_PRECISION: %s",
6788 : pszDateTimePrecision);
6789 1 : return nullptr;
6790 : }
6791 :
6792 : // If there was an ogr_empty_table table, we can remove it
6793 : // But do it at dataset closing, otherwise locking performance issues
6794 : // can arise (probably when transactions are used).
6795 837 : m_bRemoveOGREmptyTable = true;
6796 :
6797 837 : m_apoLayers.emplace_back(std::move(poLayer));
6798 837 : return m_apoLayers.back().get();
6799 : }
6800 :
6801 : /************************************************************************/
6802 : /* FindLayerIndex() */
6803 : /************************************************************************/
6804 :
6805 27 : int GDALGeoPackageDataset::FindLayerIndex(const char *pszLayerName)
6806 :
6807 : {
6808 42 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6809 : iLayer++)
6810 : {
6811 28 : if (EQUAL(pszLayerName, m_apoLayers[iLayer]->GetName()))
6812 13 : return iLayer;
6813 : }
6814 14 : return -1;
6815 : }
6816 :
6817 : /************************************************************************/
6818 : /* DeleteLayerCommon() */
6819 : /************************************************************************/
6820 :
6821 41 : OGRErr GDALGeoPackageDataset::DeleteLayerCommon(const char *pszLayerName)
6822 : {
6823 : // Temporary remove foreign key checks
6824 : const GPKGTemporaryForeignKeyCheckDisabler
6825 41 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6826 :
6827 41 : char *pszSQL = sqlite3_mprintf(
6828 : "DELETE FROM gpkg_contents WHERE lower(table_name) = lower('%q')",
6829 : pszLayerName);
6830 41 : OGRErr eErr = SQLCommand(hDB, pszSQL);
6831 41 : sqlite3_free(pszSQL);
6832 :
6833 41 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6834 : {
6835 39 : pszSQL = sqlite3_mprintf(
6836 : "DELETE FROM gpkg_extensions WHERE lower(table_name) = lower('%q')",
6837 : pszLayerName);
6838 39 : eErr = SQLCommand(hDB, pszSQL);
6839 39 : sqlite3_free(pszSQL);
6840 : }
6841 :
6842 41 : if (eErr == OGRERR_NONE && HasMetadataTables())
6843 : {
6844 : // Delete from gpkg_metadata metadata records that are only referenced
6845 : // by the table we are about to drop
6846 11 : pszSQL = sqlite3_mprintf(
6847 : "DELETE FROM gpkg_metadata WHERE id IN ("
6848 : "SELECT DISTINCT md_file_id FROM "
6849 : "gpkg_metadata_reference WHERE "
6850 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6851 : "AND id NOT IN ("
6852 : "SELECT DISTINCT md_file_id FROM gpkg_metadata_reference WHERE "
6853 : "md_file_id IN (SELECT DISTINCT md_file_id FROM "
6854 : "gpkg_metadata_reference WHERE "
6855 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6856 : "AND lower(table_name) <> lower('%q'))",
6857 : pszLayerName, pszLayerName, pszLayerName);
6858 11 : eErr = SQLCommand(hDB, pszSQL);
6859 11 : sqlite3_free(pszSQL);
6860 :
6861 11 : if (eErr == OGRERR_NONE)
6862 : {
6863 : pszSQL =
6864 11 : sqlite3_mprintf("DELETE FROM gpkg_metadata_reference WHERE "
6865 : "lower(table_name) = lower('%q')",
6866 : pszLayerName);
6867 11 : eErr = SQLCommand(hDB, pszSQL);
6868 11 : sqlite3_free(pszSQL);
6869 : }
6870 : }
6871 :
6872 41 : if (eErr == OGRERR_NONE && HasGpkgextRelationsTable())
6873 : {
6874 : // Remove reference to potential corresponding mapping table in
6875 : // gpkg_extensions
6876 4 : pszSQL = sqlite3_mprintf(
6877 : "DELETE FROM gpkg_extensions WHERE "
6878 : "extension_name IN ('related_tables', "
6879 : "'gpkg_related_tables') AND lower(table_name) = "
6880 : "(SELECT lower(mapping_table_name) FROM gpkgext_relations WHERE "
6881 : "lower(base_table_name) = lower('%q') OR "
6882 : "lower(related_table_name) = lower('%q') OR "
6883 : "lower(mapping_table_name) = lower('%q'))",
6884 : pszLayerName, pszLayerName, pszLayerName);
6885 4 : eErr = SQLCommand(hDB, pszSQL);
6886 4 : sqlite3_free(pszSQL);
6887 :
6888 4 : if (eErr == OGRERR_NONE)
6889 : {
6890 : // Remove reference to potential corresponding mapping table in
6891 : // gpkgext_relations
6892 : pszSQL =
6893 4 : sqlite3_mprintf("DELETE FROM gpkgext_relations WHERE "
6894 : "lower(base_table_name) = lower('%q') OR "
6895 : "lower(related_table_name) = lower('%q') OR "
6896 : "lower(mapping_table_name) = lower('%q')",
6897 : pszLayerName, pszLayerName, pszLayerName);
6898 4 : eErr = SQLCommand(hDB, pszSQL);
6899 4 : sqlite3_free(pszSQL);
6900 : }
6901 :
6902 4 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6903 : {
6904 : // If there is no longer any mapping table, then completely
6905 : // remove any reference to the extension in gpkg_extensions
6906 : // as mandated per the related table specification.
6907 : OGRErr err;
6908 4 : if (SQLGetInteger(hDB,
6909 : "SELECT COUNT(*) FROM gpkg_extensions WHERE "
6910 : "extension_name IN ('related_tables', "
6911 : "'gpkg_related_tables') AND "
6912 : "lower(table_name) != 'gpkgext_relations'",
6913 4 : &err) == 0)
6914 : {
6915 2 : eErr = SQLCommand(hDB, "DELETE FROM gpkg_extensions WHERE "
6916 : "extension_name IN ('related_tables', "
6917 : "'gpkg_related_tables')");
6918 : }
6919 :
6920 4 : ClearCachedRelationships();
6921 : }
6922 : }
6923 :
6924 41 : if (eErr == OGRERR_NONE)
6925 : {
6926 41 : pszSQL = sqlite3_mprintf("DROP TABLE \"%w\"", pszLayerName);
6927 41 : eErr = SQLCommand(hDB, pszSQL);
6928 41 : sqlite3_free(pszSQL);
6929 : }
6930 :
6931 : // Check foreign key integrity
6932 41 : if (eErr == OGRERR_NONE)
6933 : {
6934 41 : eErr = PragmaCheck("foreign_key_check", "", 0);
6935 : }
6936 :
6937 82 : return eErr;
6938 : }
6939 :
6940 : /************************************************************************/
6941 : /* DeleteLayer() */
6942 : /************************************************************************/
6943 :
6944 38 : OGRErr GDALGeoPackageDataset::DeleteLayer(int iLayer)
6945 : {
6946 75 : if (!GetUpdate() || iLayer < 0 ||
6947 37 : iLayer >= static_cast<int>(m_apoLayers.size()))
6948 2 : return OGRERR_FAILURE;
6949 :
6950 36 : m_apoLayers[iLayer]->ResetReading();
6951 36 : m_apoLayers[iLayer]->SyncToDisk();
6952 :
6953 72 : CPLString osLayerName = m_apoLayers[iLayer]->GetName();
6954 :
6955 36 : CPLDebug("GPKG", "DeleteLayer(%s)", osLayerName.c_str());
6956 :
6957 : // Temporary remove foreign key checks
6958 : const GPKGTemporaryForeignKeyCheckDisabler
6959 36 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6960 :
6961 36 : OGRErr eErr = SoftStartTransaction();
6962 :
6963 36 : if (eErr == OGRERR_NONE)
6964 : {
6965 36 : if (m_apoLayers[iLayer]->HasSpatialIndex())
6966 33 : m_apoLayers[iLayer]->DropSpatialIndex();
6967 :
6968 : char *pszSQL =
6969 36 : sqlite3_mprintf("DELETE FROM gpkg_geometry_columns WHERE "
6970 : "lower(table_name) = lower('%q')",
6971 : osLayerName.c_str());
6972 36 : eErr = SQLCommand(hDB, pszSQL);
6973 36 : sqlite3_free(pszSQL);
6974 : }
6975 :
6976 36 : if (eErr == OGRERR_NONE && HasDataColumnsTable())
6977 : {
6978 1 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_data_columns WHERE "
6979 : "lower(table_name) = lower('%q')",
6980 : osLayerName.c_str());
6981 1 : eErr = SQLCommand(hDB, pszSQL);
6982 1 : sqlite3_free(pszSQL);
6983 : }
6984 :
6985 : #ifdef ENABLE_GPKG_OGR_CONTENTS
6986 36 : if (eErr == OGRERR_NONE && m_bHasGPKGOGRContents)
6987 : {
6988 36 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_ogr_contents WHERE "
6989 : "lower(table_name) = lower('%q')",
6990 : osLayerName.c_str());
6991 36 : eErr = SQLCommand(hDB, pszSQL);
6992 36 : sqlite3_free(pszSQL);
6993 : }
6994 : #endif
6995 :
6996 36 : if (eErr == OGRERR_NONE)
6997 : {
6998 36 : eErr = DeleteLayerCommon(osLayerName.c_str());
6999 : }
7000 :
7001 36 : if (eErr == OGRERR_NONE)
7002 : {
7003 36 : eErr = SoftCommitTransaction();
7004 36 : if (eErr == OGRERR_NONE)
7005 : {
7006 : /* Delete the layer object */
7007 36 : m_apoLayers.erase(m_apoLayers.begin() + iLayer);
7008 : }
7009 : }
7010 : else
7011 : {
7012 0 : SoftRollbackTransaction();
7013 : }
7014 :
7015 36 : return eErr;
7016 : }
7017 :
7018 : /************************************************************************/
7019 : /* DeleteRasterLayer() */
7020 : /************************************************************************/
7021 :
7022 2 : OGRErr GDALGeoPackageDataset::DeleteRasterLayer(const char *pszLayerName)
7023 : {
7024 : // Temporary remove foreign key checks
7025 : const GPKGTemporaryForeignKeyCheckDisabler
7026 2 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7027 :
7028 2 : OGRErr eErr = SoftStartTransaction();
7029 :
7030 2 : if (eErr == OGRERR_NONE)
7031 : {
7032 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix WHERE "
7033 : "lower(table_name) = lower('%q')",
7034 : pszLayerName);
7035 2 : eErr = SQLCommand(hDB, pszSQL);
7036 2 : sqlite3_free(pszSQL);
7037 : }
7038 :
7039 2 : if (eErr == OGRERR_NONE)
7040 : {
7041 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix_set WHERE "
7042 : "lower(table_name) = lower('%q')",
7043 : pszLayerName);
7044 2 : eErr = SQLCommand(hDB, pszSQL);
7045 2 : sqlite3_free(pszSQL);
7046 : }
7047 :
7048 2 : if (eErr == OGRERR_NONE && HasGriddedCoverageAncillaryTable())
7049 : {
7050 : char *pszSQL =
7051 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_coverage_ancillary "
7052 : "WHERE lower(tile_matrix_set_name) = lower('%q')",
7053 : pszLayerName);
7054 1 : eErr = SQLCommand(hDB, pszSQL);
7055 1 : sqlite3_free(pszSQL);
7056 :
7057 1 : if (eErr == OGRERR_NONE)
7058 : {
7059 : pszSQL =
7060 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_tile_ancillary "
7061 : "WHERE lower(tpudt_name) = lower('%q')",
7062 : pszLayerName);
7063 1 : eErr = SQLCommand(hDB, pszSQL);
7064 1 : sqlite3_free(pszSQL);
7065 : }
7066 : }
7067 :
7068 2 : if (eErr == OGRERR_NONE)
7069 : {
7070 2 : eErr = DeleteLayerCommon(pszLayerName);
7071 : }
7072 :
7073 2 : if (eErr == OGRERR_NONE)
7074 : {
7075 2 : eErr = SoftCommitTransaction();
7076 : }
7077 : else
7078 : {
7079 0 : SoftRollbackTransaction();
7080 : }
7081 :
7082 4 : return eErr;
7083 : }
7084 :
7085 : /************************************************************************/
7086 : /* DeleteVectorOrRasterLayer() */
7087 : /************************************************************************/
7088 :
7089 13 : bool GDALGeoPackageDataset::DeleteVectorOrRasterLayer(const char *pszLayerName)
7090 : {
7091 :
7092 13 : int idx = FindLayerIndex(pszLayerName);
7093 13 : if (idx >= 0)
7094 : {
7095 5 : DeleteLayer(idx);
7096 5 : return true;
7097 : }
7098 :
7099 : char *pszSQL =
7100 8 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7101 : "lower(table_name) = lower('%q') "
7102 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7103 : pszLayerName);
7104 8 : bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7105 8 : sqlite3_free(pszSQL);
7106 8 : if (bIsRasterTable)
7107 : {
7108 2 : DeleteRasterLayer(pszLayerName);
7109 2 : return true;
7110 : }
7111 6 : return false;
7112 : }
7113 :
7114 7 : bool GDALGeoPackageDataset::RenameVectorOrRasterLayer(
7115 : const char *pszLayerName, const char *pszNewLayerName)
7116 : {
7117 7 : int idx = FindLayerIndex(pszLayerName);
7118 7 : if (idx >= 0)
7119 : {
7120 4 : m_apoLayers[idx]->Rename(pszNewLayerName);
7121 4 : return true;
7122 : }
7123 :
7124 : char *pszSQL =
7125 3 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7126 : "lower(table_name) = lower('%q') "
7127 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7128 : pszLayerName);
7129 3 : const bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7130 3 : sqlite3_free(pszSQL);
7131 :
7132 3 : if (bIsRasterTable)
7133 : {
7134 2 : return RenameRasterLayer(pszLayerName, pszNewLayerName);
7135 : }
7136 :
7137 1 : return false;
7138 : }
7139 :
7140 2 : bool GDALGeoPackageDataset::RenameRasterLayer(const char *pszLayerName,
7141 : const char *pszNewLayerName)
7142 : {
7143 4 : std::string osSQL;
7144 :
7145 2 : char *pszSQL = sqlite3_mprintf(
7146 : "SELECT 1 FROM sqlite_master WHERE lower(name) = lower('%q') "
7147 : "AND type IN ('table', 'view')",
7148 : pszNewLayerName);
7149 2 : const bool bAlreadyExists = SQLGetInteger(GetDB(), pszSQL, nullptr) == 1;
7150 2 : sqlite3_free(pszSQL);
7151 2 : if (bAlreadyExists)
7152 : {
7153 0 : CPLError(CE_Failure, CPLE_AppDefined, "Table %s already exists",
7154 : pszNewLayerName);
7155 0 : return false;
7156 : }
7157 :
7158 : // Temporary remove foreign key checks
7159 : const GPKGTemporaryForeignKeyCheckDisabler
7160 4 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7161 :
7162 2 : if (SoftStartTransaction() != OGRERR_NONE)
7163 : {
7164 0 : return false;
7165 : }
7166 :
7167 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET table_name = '%q' WHERE "
7168 : "lower(table_name) = lower('%q');",
7169 : pszNewLayerName, pszLayerName);
7170 2 : osSQL = pszSQL;
7171 2 : sqlite3_free(pszSQL);
7172 :
7173 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' WHERE "
7174 : "lower(identifier) = lower('%q');",
7175 : pszNewLayerName, pszLayerName);
7176 2 : osSQL += pszSQL;
7177 2 : sqlite3_free(pszSQL);
7178 :
7179 : pszSQL =
7180 2 : sqlite3_mprintf("UPDATE gpkg_tile_matrix SET table_name = '%q' WHERE "
7181 : "lower(table_name) = lower('%q');",
7182 : pszNewLayerName, pszLayerName);
7183 2 : osSQL += pszSQL;
7184 2 : sqlite3_free(pszSQL);
7185 :
7186 2 : pszSQL = sqlite3_mprintf(
7187 : "UPDATE gpkg_tile_matrix_set SET table_name = '%q' WHERE "
7188 : "lower(table_name) = lower('%q');",
7189 : pszNewLayerName, pszLayerName);
7190 2 : osSQL += pszSQL;
7191 2 : sqlite3_free(pszSQL);
7192 :
7193 2 : if (HasGriddedCoverageAncillaryTable())
7194 : {
7195 1 : pszSQL = sqlite3_mprintf("UPDATE gpkg_2d_gridded_coverage_ancillary "
7196 : "SET tile_matrix_set_name = '%q' WHERE "
7197 : "lower(tile_matrix_set_name) = lower('%q');",
7198 : pszNewLayerName, pszLayerName);
7199 1 : osSQL += pszSQL;
7200 1 : sqlite3_free(pszSQL);
7201 :
7202 1 : pszSQL = sqlite3_mprintf(
7203 : "UPDATE gpkg_2d_gridded_tile_ancillary SET tpudt_name = '%q' WHERE "
7204 : "lower(tpudt_name) = lower('%q');",
7205 : pszNewLayerName, pszLayerName);
7206 1 : osSQL += pszSQL;
7207 1 : sqlite3_free(pszSQL);
7208 : }
7209 :
7210 2 : if (HasExtensionsTable())
7211 : {
7212 2 : pszSQL = sqlite3_mprintf(
7213 : "UPDATE gpkg_extensions SET table_name = '%q' WHERE "
7214 : "lower(table_name) = lower('%q');",
7215 : pszNewLayerName, pszLayerName);
7216 2 : osSQL += pszSQL;
7217 2 : sqlite3_free(pszSQL);
7218 : }
7219 :
7220 2 : if (HasMetadataTables())
7221 : {
7222 1 : pszSQL = sqlite3_mprintf(
7223 : "UPDATE gpkg_metadata_reference SET table_name = '%q' WHERE "
7224 : "lower(table_name) = lower('%q');",
7225 : pszNewLayerName, pszLayerName);
7226 1 : osSQL += pszSQL;
7227 1 : sqlite3_free(pszSQL);
7228 : }
7229 :
7230 2 : if (HasDataColumnsTable())
7231 : {
7232 0 : pszSQL = sqlite3_mprintf(
7233 : "UPDATE gpkg_data_columns SET table_name = '%q' WHERE "
7234 : "lower(table_name) = lower('%q');",
7235 : pszNewLayerName, pszLayerName);
7236 0 : osSQL += pszSQL;
7237 0 : sqlite3_free(pszSQL);
7238 : }
7239 :
7240 2 : if (HasQGISLayerStyles())
7241 : {
7242 : // Update QGIS styles
7243 : pszSQL =
7244 0 : sqlite3_mprintf("UPDATE layer_styles SET f_table_name = '%q' WHERE "
7245 : "lower(f_table_name) = lower('%q');",
7246 : pszNewLayerName, pszLayerName);
7247 0 : osSQL += pszSQL;
7248 0 : sqlite3_free(pszSQL);
7249 : }
7250 :
7251 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7252 2 : if (m_bHasGPKGOGRContents)
7253 : {
7254 2 : pszSQL = sqlite3_mprintf(
7255 : "UPDATE gpkg_ogr_contents SET table_name = '%q' WHERE "
7256 : "lower(table_name) = lower('%q');",
7257 : pszNewLayerName, pszLayerName);
7258 2 : osSQL += pszSQL;
7259 2 : sqlite3_free(pszSQL);
7260 : }
7261 : #endif
7262 :
7263 2 : if (HasGpkgextRelationsTable())
7264 : {
7265 0 : pszSQL = sqlite3_mprintf(
7266 : "UPDATE gpkgext_relations SET base_table_name = '%q' WHERE "
7267 : "lower(base_table_name) = lower('%q');",
7268 : pszNewLayerName, pszLayerName);
7269 0 : osSQL += pszSQL;
7270 0 : sqlite3_free(pszSQL);
7271 :
7272 0 : pszSQL = sqlite3_mprintf(
7273 : "UPDATE gpkgext_relations SET related_table_name = '%q' WHERE "
7274 : "lower(related_table_name) = lower('%q');",
7275 : pszNewLayerName, pszLayerName);
7276 0 : osSQL += pszSQL;
7277 0 : sqlite3_free(pszSQL);
7278 :
7279 0 : pszSQL = sqlite3_mprintf(
7280 : "UPDATE gpkgext_relations SET mapping_table_name = '%q' WHERE "
7281 : "lower(mapping_table_name) = lower('%q');",
7282 : pszNewLayerName, pszLayerName);
7283 0 : osSQL += pszSQL;
7284 0 : sqlite3_free(pszSQL);
7285 : }
7286 :
7287 : // Drop all triggers for the layer
7288 2 : pszSQL = sqlite3_mprintf("SELECT name FROM sqlite_master WHERE type = "
7289 : "'trigger' AND tbl_name = '%q'",
7290 : pszLayerName);
7291 2 : auto oTriggerResult = SQLQuery(GetDB(), pszSQL);
7292 2 : sqlite3_free(pszSQL);
7293 2 : if (oTriggerResult)
7294 : {
7295 14 : for (int i = 0; i < oTriggerResult->RowCount(); i++)
7296 : {
7297 12 : const char *pszTriggerName = oTriggerResult->GetValue(0, i);
7298 12 : pszSQL = sqlite3_mprintf("DROP TRIGGER IF EXISTS \"%w\";",
7299 : pszTriggerName);
7300 12 : osSQL += pszSQL;
7301 12 : sqlite3_free(pszSQL);
7302 : }
7303 : }
7304 :
7305 2 : pszSQL = sqlite3_mprintf("ALTER TABLE \"%w\" RENAME TO \"%w\";",
7306 : pszLayerName, pszNewLayerName);
7307 2 : osSQL += pszSQL;
7308 2 : sqlite3_free(pszSQL);
7309 :
7310 : // Recreate all zoom/tile triggers
7311 2 : if (oTriggerResult)
7312 : {
7313 2 : osSQL += CreateRasterTriggersSQL(pszNewLayerName);
7314 : }
7315 :
7316 2 : OGRErr eErr = SQLCommand(GetDB(), osSQL.c_str());
7317 :
7318 : // Check foreign key integrity
7319 2 : if (eErr == OGRERR_NONE)
7320 : {
7321 2 : eErr = PragmaCheck("foreign_key_check", "", 0);
7322 : }
7323 :
7324 2 : if (eErr == OGRERR_NONE)
7325 : {
7326 2 : eErr = SoftCommitTransaction();
7327 : }
7328 : else
7329 : {
7330 0 : SoftRollbackTransaction();
7331 : }
7332 :
7333 2 : return eErr == OGRERR_NONE;
7334 : }
7335 :
7336 : /************************************************************************/
7337 : /* TestCapability() */
7338 : /************************************************************************/
7339 :
7340 508 : int GDALGeoPackageDataset::TestCapability(const char *pszCap) const
7341 : {
7342 508 : if (EQUAL(pszCap, ODsCCreateLayer) || EQUAL(pszCap, ODsCDeleteLayer) ||
7343 329 : EQUAL(pszCap, "RenameLayer"))
7344 : {
7345 179 : return GetUpdate();
7346 : }
7347 329 : else if (EQUAL(pszCap, ODsCCurveGeometries))
7348 12 : return TRUE;
7349 317 : else if (EQUAL(pszCap, ODsCMeasuredGeometries))
7350 8 : return TRUE;
7351 309 : else if (EQUAL(pszCap, ODsCZGeometries))
7352 8 : return TRUE;
7353 301 : else if (EQUAL(pszCap, ODsCRandomLayerWrite) ||
7354 301 : EQUAL(pszCap, GDsCAddRelationship) ||
7355 301 : EQUAL(pszCap, GDsCDeleteRelationship) ||
7356 301 : EQUAL(pszCap, GDsCUpdateRelationship) ||
7357 301 : EQUAL(pszCap, ODsCAddFieldDomain) ||
7358 299 : EQUAL(pszCap, ODsCUpdateFieldDomain) ||
7359 297 : EQUAL(pszCap, ODsCDeleteFieldDomain))
7360 : {
7361 6 : return GetUpdate();
7362 : }
7363 :
7364 295 : return OGRSQLiteBaseDataSource::TestCapability(pszCap);
7365 : }
7366 :
7367 : /************************************************************************/
7368 : /* ResetReadingAllLayers() */
7369 : /************************************************************************/
7370 :
7371 205 : void GDALGeoPackageDataset::ResetReadingAllLayers()
7372 : {
7373 415 : for (auto &poLayer : m_apoLayers)
7374 : {
7375 210 : poLayer->ResetReading();
7376 : }
7377 205 : }
7378 :
7379 : /************************************************************************/
7380 : /* ExecuteSQL() */
7381 : /************************************************************************/
7382 :
7383 : static const char *const apszFuncsWithSideEffects[] = {
7384 : "CreateSpatialIndex",
7385 : "DisableSpatialIndex",
7386 : "HasSpatialIndex",
7387 : "RegisterGeometryExtension",
7388 : };
7389 :
7390 5652 : OGRLayer *GDALGeoPackageDataset::ExecuteSQL(const char *pszSQLCommand,
7391 : OGRGeometry *poSpatialFilter,
7392 : const char *pszDialect)
7393 :
7394 : {
7395 5652 : m_bHasReadMetadataFromStorage = false;
7396 :
7397 5652 : FlushMetadata();
7398 :
7399 5670 : while (*pszSQLCommand != '\0' &&
7400 5670 : isspace(static_cast<unsigned char>(*pszSQLCommand)))
7401 18 : pszSQLCommand++;
7402 :
7403 11304 : CPLString osSQLCommand(pszSQLCommand);
7404 5652 : if (!osSQLCommand.empty() && osSQLCommand.back() == ';')
7405 48 : osSQLCommand.pop_back();
7406 :
7407 5652 : if (pszDialect == nullptr || !EQUAL(pszDialect, "DEBUG"))
7408 : {
7409 : // Some SQL commands will influence the feature count behind our
7410 : // back, so disable it in that case.
7411 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7412 : const bool bInsertOrDelete =
7413 5583 : osSQLCommand.ifind("insert into ") != std::string::npos ||
7414 2462 : osSQLCommand.ifind("insert or replace into ") !=
7415 8045 : std::string::npos ||
7416 2425 : osSQLCommand.ifind("delete from ") != std::string::npos;
7417 : const bool bRollback =
7418 5583 : osSQLCommand.ifind("rollback ") != std::string::npos;
7419 : #endif
7420 :
7421 7414 : for (auto &poLayer : m_apoLayers)
7422 : {
7423 1831 : if (poLayer->SyncToDisk() != OGRERR_NONE)
7424 0 : return nullptr;
7425 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7426 2036 : if (bRollback ||
7427 205 : (bInsertOrDelete &&
7428 205 : osSQLCommand.ifind(poLayer->GetName()) != std::string::npos))
7429 : {
7430 203 : poLayer->DisableFeatureCount();
7431 : }
7432 : #endif
7433 : }
7434 : }
7435 :
7436 5652 : if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 0") ||
7437 5651 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=0") ||
7438 5651 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =0") ||
7439 5651 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 0"))
7440 : {
7441 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, false);
7442 : }
7443 5651 : else if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 1") ||
7444 5650 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=1") ||
7445 5650 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =1") ||
7446 5650 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 1"))
7447 : {
7448 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, true);
7449 : }
7450 :
7451 : /* -------------------------------------------------------------------- */
7452 : /* DEBUG "SELECT nolock" command. */
7453 : /* -------------------------------------------------------------------- */
7454 5721 : if (pszDialect != nullptr && EQUAL(pszDialect, "DEBUG") &&
7455 69 : EQUAL(osSQLCommand, "SELECT nolock"))
7456 : {
7457 3 : return new OGRSQLiteSingleFeatureLayer(osSQLCommand, m_bNoLock ? 1 : 0);
7458 : }
7459 :
7460 : /* -------------------------------------------------------------------- */
7461 : /* Special case DELLAYER: command. */
7462 : /* -------------------------------------------------------------------- */
7463 5649 : if (STARTS_WITH_CI(osSQLCommand, "DELLAYER:"))
7464 : {
7465 4 : const char *pszLayerName = osSQLCommand.c_str() + strlen("DELLAYER:");
7466 :
7467 4 : while (*pszLayerName == ' ')
7468 0 : pszLayerName++;
7469 :
7470 4 : if (!DeleteVectorOrRasterLayer(pszLayerName))
7471 : {
7472 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer: %s",
7473 : pszLayerName);
7474 : }
7475 4 : return nullptr;
7476 : }
7477 :
7478 : /* -------------------------------------------------------------------- */
7479 : /* Special case RECOMPUTE EXTENT ON command. */
7480 : /* -------------------------------------------------------------------- */
7481 5645 : if (STARTS_WITH_CI(osSQLCommand, "RECOMPUTE EXTENT ON "))
7482 : {
7483 : const char *pszLayerName =
7484 4 : osSQLCommand.c_str() + strlen("RECOMPUTE EXTENT ON ");
7485 :
7486 4 : while (*pszLayerName == ' ')
7487 0 : pszLayerName++;
7488 :
7489 4 : int idx = FindLayerIndex(pszLayerName);
7490 4 : if (idx >= 0)
7491 : {
7492 4 : m_apoLayers[idx]->RecomputeExtent();
7493 : }
7494 : else
7495 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer: %s",
7496 : pszLayerName);
7497 4 : return nullptr;
7498 : }
7499 :
7500 : /* -------------------------------------------------------------------- */
7501 : /* Intercept DROP TABLE */
7502 : /* -------------------------------------------------------------------- */
7503 5641 : if (STARTS_WITH_CI(osSQLCommand, "DROP TABLE "))
7504 : {
7505 9 : const char *pszLayerName = osSQLCommand.c_str() + strlen("DROP TABLE ");
7506 :
7507 9 : while (*pszLayerName == ' ')
7508 0 : pszLayerName++;
7509 :
7510 9 : if (DeleteVectorOrRasterLayer(SQLUnescape(pszLayerName)))
7511 4 : return nullptr;
7512 : }
7513 :
7514 : /* -------------------------------------------------------------------- */
7515 : /* Intercept ALTER TABLE src_table RENAME TO dst_table */
7516 : /* and ALTER TABLE table RENAME COLUMN src_name TO dst_name */
7517 : /* and ALTER TABLE table DROP COLUMN col_name */
7518 : /* */
7519 : /* We do this because SQLite mechanisms can't deal with updating */
7520 : /* literal values in gpkg_ tables that refer to table and column */
7521 : /* names. */
7522 : /* -------------------------------------------------------------------- */
7523 5637 : if (STARTS_WITH_CI(osSQLCommand, "ALTER TABLE "))
7524 : {
7525 9 : char **papszTokens = SQLTokenize(osSQLCommand);
7526 : /* ALTER TABLE src_table RENAME TO dst_table */
7527 16 : if (CSLCount(papszTokens) == 6 && EQUAL(papszTokens[3], "RENAME") &&
7528 7 : EQUAL(papszTokens[4], "TO"))
7529 : {
7530 7 : const char *pszSrcTableName = papszTokens[2];
7531 7 : const char *pszDstTableName = papszTokens[5];
7532 7 : if (RenameVectorOrRasterLayer(SQLUnescape(pszSrcTableName),
7533 14 : SQLUnescape(pszDstTableName)))
7534 : {
7535 6 : CSLDestroy(papszTokens);
7536 6 : return nullptr;
7537 : }
7538 : }
7539 : /* ALTER TABLE table RENAME COLUMN src_name TO dst_name */
7540 2 : else if (CSLCount(papszTokens) == 8 &&
7541 1 : EQUAL(papszTokens[3], "RENAME") &&
7542 3 : EQUAL(papszTokens[4], "COLUMN") && EQUAL(papszTokens[6], "TO"))
7543 : {
7544 1 : const char *pszTableName = papszTokens[2];
7545 1 : const char *pszSrcColumn = papszTokens[5];
7546 1 : const char *pszDstColumn = papszTokens[7];
7547 : OGRGeoPackageTableLayer *poLayer =
7548 0 : dynamic_cast<OGRGeoPackageTableLayer *>(
7549 1 : GetLayerByName(SQLUnescape(pszTableName)));
7550 1 : if (poLayer)
7551 : {
7552 2 : int nSrcFieldIdx = poLayer->GetLayerDefn()->GetFieldIndex(
7553 2 : SQLUnescape(pszSrcColumn));
7554 1 : if (nSrcFieldIdx >= 0)
7555 : {
7556 : // OFTString or any type will do as we just alter the name
7557 : // so it will be ignored.
7558 1 : OGRFieldDefn oFieldDefn(SQLUnescape(pszDstColumn),
7559 1 : OFTString);
7560 1 : poLayer->AlterFieldDefn(nSrcFieldIdx, &oFieldDefn,
7561 : ALTER_NAME_FLAG);
7562 1 : CSLDestroy(papszTokens);
7563 1 : return nullptr;
7564 : }
7565 : }
7566 : }
7567 : /* ALTER TABLE table DROP COLUMN col_name */
7568 2 : else if (CSLCount(papszTokens) == 6 && EQUAL(papszTokens[3], "DROP") &&
7569 1 : EQUAL(papszTokens[4], "COLUMN"))
7570 : {
7571 1 : const char *pszTableName = papszTokens[2];
7572 1 : const char *pszColumnName = papszTokens[5];
7573 : OGRGeoPackageTableLayer *poLayer =
7574 0 : dynamic_cast<OGRGeoPackageTableLayer *>(
7575 1 : GetLayerByName(SQLUnescape(pszTableName)));
7576 1 : if (poLayer)
7577 : {
7578 2 : int nFieldIdx = poLayer->GetLayerDefn()->GetFieldIndex(
7579 2 : SQLUnescape(pszColumnName));
7580 1 : if (nFieldIdx >= 0)
7581 : {
7582 1 : poLayer->DeleteField(nFieldIdx);
7583 1 : CSLDestroy(papszTokens);
7584 1 : return nullptr;
7585 : }
7586 : }
7587 : }
7588 1 : CSLDestroy(papszTokens);
7589 : }
7590 :
7591 5629 : if (ProcessTransactionSQL(osSQLCommand))
7592 : {
7593 253 : return nullptr;
7594 : }
7595 :
7596 5376 : if (EQUAL(osSQLCommand, "VACUUM"))
7597 : {
7598 13 : ResetReadingAllLayers();
7599 : }
7600 5363 : else if (STARTS_WITH_CI(osSQLCommand, "DELETE FROM "))
7601 : {
7602 : // Optimize truncation of a table, especially if it has a spatial
7603 : // index.
7604 24 : const CPLStringList aosTokens(SQLTokenize(osSQLCommand));
7605 24 : if (aosTokens.size() == 3)
7606 : {
7607 16 : const char *pszTableName = aosTokens[2];
7608 : OGRGeoPackageTableLayer *poLayer =
7609 8 : dynamic_cast<OGRGeoPackageTableLayer *>(
7610 24 : GetLayerByName(SQLUnescape(pszTableName)));
7611 16 : if (poLayer)
7612 : {
7613 8 : poLayer->Truncate();
7614 8 : return nullptr;
7615 : }
7616 : }
7617 : }
7618 5339 : else if (pszDialect != nullptr && EQUAL(pszDialect, "INDIRECT_SQLITE"))
7619 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter, "SQLITE");
7620 5338 : else if (pszDialect != nullptr && !EQUAL(pszDialect, "") &&
7621 67 : !EQUAL(pszDialect, "NATIVE") && !EQUAL(pszDialect, "SQLITE") &&
7622 67 : !EQUAL(pszDialect, "DEBUG"))
7623 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter,
7624 1 : pszDialect);
7625 :
7626 : /* -------------------------------------------------------------------- */
7627 : /* Prepare statement. */
7628 : /* -------------------------------------------------------------------- */
7629 5366 : sqlite3_stmt *hSQLStmt = nullptr;
7630 :
7631 : /* This will speed-up layer creation */
7632 : /* ORDER BY are costly to evaluate and are not necessary to establish */
7633 : /* the layer definition. */
7634 5366 : bool bUseStatementForGetNextFeature = true;
7635 5366 : bool bEmptyLayer = false;
7636 10732 : CPLString osSQLCommandTruncated(osSQLCommand);
7637 :
7638 17708 : if (osSQLCommand.ifind("SELECT ") == 0 &&
7639 6171 : CPLString(osSQLCommand.substr(1)).ifind("SELECT ") ==
7640 770 : std::string::npos &&
7641 770 : osSQLCommand.ifind(" UNION ") == std::string::npos &&
7642 6941 : osSQLCommand.ifind(" INTERSECT ") == std::string::npos &&
7643 770 : osSQLCommand.ifind(" EXCEPT ") == std::string::npos)
7644 : {
7645 770 : size_t nOrderByPos = osSQLCommand.ifind(" ORDER BY ");
7646 770 : if (nOrderByPos != std::string::npos)
7647 : {
7648 9 : osSQLCommandTruncated.resize(nOrderByPos);
7649 9 : bUseStatementForGetNextFeature = false;
7650 : }
7651 : }
7652 :
7653 5366 : int rc = prepareSql(hDB, osSQLCommandTruncated.c_str(),
7654 5366 : static_cast<int>(osSQLCommandTruncated.size()),
7655 : &hSQLStmt, nullptr);
7656 :
7657 5366 : if (rc != SQLITE_OK)
7658 : {
7659 9 : CPLError(CE_Failure, CPLE_AppDefined,
7660 : "In ExecuteSQL(): sqlite3_prepare_v2(%s): %s",
7661 : osSQLCommandTruncated.c_str(), sqlite3_errmsg(hDB));
7662 :
7663 9 : if (hSQLStmt != nullptr)
7664 : {
7665 0 : sqlite3_finalize(hSQLStmt);
7666 : }
7667 :
7668 9 : return nullptr;
7669 : }
7670 :
7671 : /* -------------------------------------------------------------------- */
7672 : /* Do we get a resultset? */
7673 : /* -------------------------------------------------------------------- */
7674 5357 : rc = sqlite3_step(hSQLStmt);
7675 :
7676 6953 : for (auto &poLayer : m_apoLayers)
7677 : {
7678 1596 : poLayer->RunDeferredDropRTreeTableIfNecessary();
7679 : }
7680 :
7681 5357 : if (rc != SQLITE_ROW)
7682 : {
7683 4635 : if (rc != SQLITE_DONE)
7684 : {
7685 7 : CPLError(CE_Failure, CPLE_AppDefined,
7686 : "In ExecuteSQL(): sqlite3_step(%s):\n %s",
7687 : osSQLCommandTruncated.c_str(), sqlite3_errmsg(hDB));
7688 :
7689 7 : sqlite3_finalize(hSQLStmt);
7690 7 : return nullptr;
7691 : }
7692 :
7693 4628 : if (EQUAL(osSQLCommand, "VACUUM"))
7694 : {
7695 13 : sqlite3_finalize(hSQLStmt);
7696 : /* VACUUM rewrites the DB, so we need to reset the application id */
7697 13 : SetApplicationAndUserVersionId();
7698 13 : return nullptr;
7699 : }
7700 :
7701 4615 : if (!STARTS_WITH_CI(osSQLCommand, "SELECT "))
7702 : {
7703 4488 : sqlite3_finalize(hSQLStmt);
7704 4488 : return nullptr;
7705 : }
7706 :
7707 127 : bUseStatementForGetNextFeature = false;
7708 127 : bEmptyLayer = true;
7709 : }
7710 :
7711 : /* -------------------------------------------------------------------- */
7712 : /* Special case for some functions which must be run */
7713 : /* only once */
7714 : /* -------------------------------------------------------------------- */
7715 849 : if (STARTS_WITH_CI(osSQLCommand, "SELECT "))
7716 : {
7717 3869 : for (unsigned int i = 0; i < sizeof(apszFuncsWithSideEffects) /
7718 : sizeof(apszFuncsWithSideEffects[0]);
7719 : i++)
7720 : {
7721 3121 : if (EQUALN(apszFuncsWithSideEffects[i], osSQLCommand.c_str() + 7,
7722 : strlen(apszFuncsWithSideEffects[i])))
7723 : {
7724 112 : if (sqlite3_column_count(hSQLStmt) == 1 &&
7725 56 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_INTEGER)
7726 : {
7727 56 : int ret = sqlite3_column_int(hSQLStmt, 0);
7728 :
7729 56 : sqlite3_finalize(hSQLStmt);
7730 :
7731 : return new OGRSQLiteSingleFeatureLayer(
7732 56 : apszFuncsWithSideEffects[i], ret);
7733 : }
7734 : }
7735 : }
7736 : }
7737 45 : else if (STARTS_WITH_CI(osSQLCommand, "PRAGMA "))
7738 : {
7739 63 : if (sqlite3_column_count(hSQLStmt) == 1 &&
7740 18 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_INTEGER)
7741 : {
7742 15 : int ret = sqlite3_column_int(hSQLStmt, 0);
7743 :
7744 15 : sqlite3_finalize(hSQLStmt);
7745 :
7746 15 : return new OGRSQLiteSingleFeatureLayer(osSQLCommand.c_str() + 7,
7747 15 : ret);
7748 : }
7749 33 : else if (sqlite3_column_count(hSQLStmt) == 1 &&
7750 3 : sqlite3_column_type(hSQLStmt, 0) == SQLITE_TEXT)
7751 : {
7752 : const char *pszRet = reinterpret_cast<const char *>(
7753 3 : sqlite3_column_text(hSQLStmt, 0));
7754 :
7755 : OGRLayer *poRet = new OGRSQLiteSingleFeatureLayer(
7756 3 : osSQLCommand.c_str() + 7, pszRet);
7757 :
7758 3 : sqlite3_finalize(hSQLStmt);
7759 :
7760 3 : return poRet;
7761 : }
7762 : }
7763 :
7764 : /* -------------------------------------------------------------------- */
7765 : /* Create layer. */
7766 : /* -------------------------------------------------------------------- */
7767 :
7768 : auto poLayer = std::make_unique<OGRGeoPackageSelectLayer>(
7769 : this, osSQLCommand, hSQLStmt, bUseStatementForGetNextFeature,
7770 1550 : bEmptyLayer);
7771 :
7772 778 : if (poSpatialFilter != nullptr &&
7773 3 : poLayer->GetLayerDefn()->GetGeomFieldCount() > 0)
7774 3 : poLayer->SetSpatialFilter(0, poSpatialFilter);
7775 :
7776 775 : return poLayer.release();
7777 : }
7778 :
7779 : /************************************************************************/
7780 : /* ReleaseResultSet() */
7781 : /************************************************************************/
7782 :
7783 808 : void GDALGeoPackageDataset::ReleaseResultSet(OGRLayer *poLayer)
7784 :
7785 : {
7786 808 : delete poLayer;
7787 808 : }
7788 :
7789 : /************************************************************************/
7790 : /* HasExtensionsTable() */
7791 : /************************************************************************/
7792 :
7793 6892 : bool GDALGeoPackageDataset::HasExtensionsTable()
7794 : {
7795 6892 : return SQLGetInteger(
7796 : hDB,
7797 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_extensions' "
7798 : "AND type IN ('table', 'view')",
7799 6892 : nullptr) == 1;
7800 : }
7801 :
7802 : /************************************************************************/
7803 : /* CheckUnknownExtensions() */
7804 : /************************************************************************/
7805 :
7806 1543 : void GDALGeoPackageDataset::CheckUnknownExtensions(bool bCheckRasterTable)
7807 : {
7808 1543 : if (!HasExtensionsTable())
7809 208 : return;
7810 :
7811 1335 : char *pszSQL = nullptr;
7812 1335 : if (!bCheckRasterTable)
7813 1126 : pszSQL = sqlite3_mprintf(
7814 : "SELECT extension_name, definition, scope FROM gpkg_extensions "
7815 : "WHERE (table_name IS NULL "
7816 : "AND extension_name IS NOT NULL "
7817 : "AND definition IS NOT NULL "
7818 : "AND scope IS NOT NULL "
7819 : "AND extension_name NOT IN ("
7820 : "'gdal_aspatial', "
7821 : "'gpkg_elevation_tiles', " // Old name before GPKG 1.2 approval
7822 : "'2d_gridded_coverage', " // Old name after GPKG 1.2 and before OGC
7823 : // 17-066r1 finalization
7824 : "'gpkg_2d_gridded_coverage', " // Name in OGC 17-066r1 final
7825 : "'gpkg_metadata', "
7826 : "'gpkg_schema', "
7827 : "'gpkg_crs_wkt', "
7828 : "'gpkg_crs_wkt_1_1', "
7829 : "'related_tables', 'gpkg_related_tables')) "
7830 : #ifdef WORKAROUND_SQLITE3_BUGS
7831 : "OR 0 "
7832 : #endif
7833 : "LIMIT 1000");
7834 : else
7835 209 : pszSQL = sqlite3_mprintf(
7836 : "SELECT extension_name, definition, scope FROM gpkg_extensions "
7837 : "WHERE (lower(table_name) = lower('%q') "
7838 : "AND extension_name IS NOT NULL "
7839 : "AND definition IS NOT NULL "
7840 : "AND scope IS NOT NULL "
7841 : "AND extension_name NOT IN ("
7842 : "'gpkg_elevation_tiles', " // Old name before GPKG 1.2 approval
7843 : "'2d_gridded_coverage', " // Old name after GPKG 1.2 and before OGC
7844 : // 17-066r1 finalization
7845 : "'gpkg_2d_gridded_coverage', " // Name in OGC 17-066r1 final
7846 : "'gpkg_metadata', "
7847 : "'gpkg_schema', "
7848 : "'gpkg_crs_wkt', "
7849 : "'gpkg_crs_wkt_1_1', "
7850 : "'related_tables', 'gpkg_related_tables')) "
7851 : #ifdef WORKAROUND_SQLITE3_BUGS
7852 : "OR 0 "
7853 : #endif
7854 : "LIMIT 1000",
7855 : m_osRasterTable.c_str());
7856 :
7857 2670 : auto oResultTable = SQLQuery(GetDB(), pszSQL);
7858 1335 : sqlite3_free(pszSQL);
7859 1335 : if (oResultTable && oResultTable->RowCount() > 0)
7860 : {
7861 42 : for (int i = 0; i < oResultTable->RowCount(); i++)
7862 : {
7863 21 : const char *pszExtName = oResultTable->GetValue(0, i);
7864 21 : const char *pszDefinition = oResultTable->GetValue(1, i);
7865 21 : const char *pszScope = oResultTable->GetValue(2, i);
7866 21 : if (pszExtName == nullptr || pszDefinition == nullptr ||
7867 : pszScope == nullptr)
7868 : {
7869 0 : continue;
7870 : }
7871 :
7872 21 : if (EQUAL(pszExtName, "gpkg_webp"))
7873 : {
7874 15 : if (GDALGetDriverByName("WEBP") == nullptr)
7875 : {
7876 1 : CPLError(
7877 : CE_Warning, CPLE_AppDefined,
7878 : "Table %s contains WEBP tiles, but GDAL configured "
7879 : "without WEBP support. Data will be missing",
7880 : m_osRasterTable.c_str());
7881 : }
7882 15 : m_eTF = GPKG_TF_WEBP;
7883 15 : continue;
7884 : }
7885 6 : if (EQUAL(pszExtName, "gpkg_zoom_other"))
7886 : {
7887 2 : m_bZoomOther = true;
7888 2 : continue;
7889 : }
7890 :
7891 4 : if (GetUpdate() && EQUAL(pszScope, "write-only"))
7892 : {
7893 1 : CPLError(
7894 : CE_Warning, CPLE_AppDefined,
7895 : "Database relies on the '%s' (%s) extension that should "
7896 : "be implemented for safe write-support, but is not "
7897 : "currently. "
7898 : "Update of that database are strongly discouraged to avoid "
7899 : "corruption.",
7900 : pszExtName, pszDefinition);
7901 : }
7902 3 : else if (GetUpdate() && EQUAL(pszScope, "read-write"))
7903 : {
7904 1 : CPLError(
7905 : CE_Warning, CPLE_AppDefined,
7906 : "Database relies on the '%s' (%s) extension that should "
7907 : "be implemented in order to read/write it safely, but is "
7908 : "not currently. "
7909 : "Some data may be missing while reading that database, and "
7910 : "updates are strongly discouraged.",
7911 : pszExtName, pszDefinition);
7912 : }
7913 2 : else if (EQUAL(pszScope, "read-write") &&
7914 : // None of the NGA extensions at
7915 : // http://ngageoint.github.io/GeoPackage/docs/extensions/
7916 : // affect read-only scenarios
7917 1 : !STARTS_WITH(pszExtName, "nga_"))
7918 : {
7919 1 : CPLError(
7920 : CE_Warning, CPLE_AppDefined,
7921 : "Database relies on the '%s' (%s) extension that should "
7922 : "be implemented in order to read it safely, but is not "
7923 : "currently. "
7924 : "Some data may be missing while reading that database.",
7925 : pszExtName, pszDefinition);
7926 : }
7927 : }
7928 : }
7929 : }
7930 :
7931 : /************************************************************************/
7932 : /* HasGDALAspatialExtension() */
7933 : /************************************************************************/
7934 :
7935 1086 : bool GDALGeoPackageDataset::HasGDALAspatialExtension()
7936 : {
7937 1086 : if (!HasExtensionsTable())
7938 101 : return false;
7939 :
7940 : auto oResultTable = SQLQuery(hDB, "SELECT * FROM gpkg_extensions "
7941 : "WHERE (extension_name = 'gdal_aspatial' "
7942 : "AND table_name IS NULL "
7943 : "AND column_name IS NULL)"
7944 : #ifdef WORKAROUND_SQLITE3_BUGS
7945 : " OR 0"
7946 : #endif
7947 985 : );
7948 985 : bool bHasExtension = (oResultTable && oResultTable->RowCount() == 1);
7949 985 : return bHasExtension;
7950 : }
7951 :
7952 : std::string
7953 192 : GDALGeoPackageDataset::CreateRasterTriggersSQL(const std::string &osTableName)
7954 : {
7955 : char *pszSQL;
7956 192 : std::string osSQL;
7957 : /* From D.5. sample_tile_pyramid Table 43. tiles table Trigger
7958 : * Definition SQL */
7959 192 : pszSQL = sqlite3_mprintf(
7960 : "CREATE TRIGGER \"%w_zoom_insert\" "
7961 : "BEFORE INSERT ON \"%w\" "
7962 : "FOR EACH ROW BEGIN "
7963 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7964 : "constraint: zoom_level not specified for table in "
7965 : "gpkg_tile_matrix') "
7966 : "WHERE NOT (NEW.zoom_level IN (SELECT zoom_level FROM "
7967 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q'))) ; "
7968 : "END; "
7969 : "CREATE TRIGGER \"%w_zoom_update\" "
7970 : "BEFORE UPDATE OF zoom_level ON \"%w\" "
7971 : "FOR EACH ROW BEGIN "
7972 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7973 : "constraint: zoom_level not specified for table in "
7974 : "gpkg_tile_matrix') "
7975 : "WHERE NOT (NEW.zoom_level IN (SELECT zoom_level FROM "
7976 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q'))) ; "
7977 : "END; "
7978 : "CREATE TRIGGER \"%w_tile_column_insert\" "
7979 : "BEFORE INSERT ON \"%w\" "
7980 : "FOR EACH ROW BEGIN "
7981 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7982 : "constraint: tile_column cannot be < 0') "
7983 : "WHERE (NEW.tile_column < 0) ; "
7984 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
7985 : "constraint: tile_column must by < matrix_width specified for "
7986 : "table and zoom level in gpkg_tile_matrix') "
7987 : "WHERE NOT (NEW.tile_column < (SELECT matrix_width FROM "
7988 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
7989 : "zoom_level = NEW.zoom_level)); "
7990 : "END; "
7991 : "CREATE TRIGGER \"%w_tile_column_update\" "
7992 : "BEFORE UPDATE OF tile_column ON \"%w\" "
7993 : "FOR EACH ROW BEGIN "
7994 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7995 : "constraint: tile_column cannot be < 0') "
7996 : "WHERE (NEW.tile_column < 0) ; "
7997 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
7998 : "constraint: tile_column must by < matrix_width specified for "
7999 : "table and zoom level in gpkg_tile_matrix') "
8000 : "WHERE NOT (NEW.tile_column < (SELECT matrix_width FROM "
8001 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8002 : "zoom_level = NEW.zoom_level)); "
8003 : "END; "
8004 : "CREATE TRIGGER \"%w_tile_row_insert\" "
8005 : "BEFORE INSERT ON \"%w\" "
8006 : "FOR EACH ROW BEGIN "
8007 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
8008 : "constraint: tile_row cannot be < 0') "
8009 : "WHERE (NEW.tile_row < 0) ; "
8010 : "SELECT RAISE(ABORT, 'insert on table ''%q'' violates "
8011 : "constraint: tile_row must by < matrix_height specified for "
8012 : "table and zoom level in gpkg_tile_matrix') "
8013 : "WHERE NOT (NEW.tile_row < (SELECT matrix_height FROM "
8014 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8015 : "zoom_level = NEW.zoom_level)); "
8016 : "END; "
8017 : "CREATE TRIGGER \"%w_tile_row_update\" "
8018 : "BEFORE UPDATE OF tile_row ON \"%w\" "
8019 : "FOR EACH ROW BEGIN "
8020 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8021 : "constraint: tile_row cannot be < 0') "
8022 : "WHERE (NEW.tile_row < 0) ; "
8023 : "SELECT RAISE(ABORT, 'update on table ''%q'' violates "
8024 : "constraint: tile_row must by < matrix_height specified for "
8025 : "table and zoom level in gpkg_tile_matrix') "
8026 : "WHERE NOT (NEW.tile_row < (SELECT matrix_height FROM "
8027 : "gpkg_tile_matrix WHERE lower(table_name) = lower('%q') AND "
8028 : "zoom_level = NEW.zoom_level)); "
8029 : "END; ",
8030 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8031 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8032 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8033 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8034 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8035 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8036 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8037 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8038 : osTableName.c_str(), osTableName.c_str(), osTableName.c_str(),
8039 : osTableName.c_str());
8040 192 : osSQL = pszSQL;
8041 192 : sqlite3_free(pszSQL);
8042 192 : return osSQL;
8043 : }
8044 :
8045 : /************************************************************************/
8046 : /* CreateExtensionsTableIfNecessary() */
8047 : /************************************************************************/
8048 :
8049 1226 : OGRErr GDALGeoPackageDataset::CreateExtensionsTableIfNecessary()
8050 : {
8051 : /* Check if the table gpkg_extensions exists */
8052 1226 : if (HasExtensionsTable())
8053 416 : return OGRERR_NONE;
8054 :
8055 : /* Requirement 79 : Every extension of a GeoPackage SHALL be registered */
8056 : /* in a corresponding row in the gpkg_extensions table. The absence of a */
8057 : /* gpkg_extensions table or the absence of rows in gpkg_extensions table */
8058 : /* SHALL both indicate the absence of extensions to a GeoPackage. */
8059 810 : const char *pszCreateGpkgExtensions =
8060 : "CREATE TABLE gpkg_extensions ("
8061 : "table_name TEXT,"
8062 : "column_name TEXT,"
8063 : "extension_name TEXT NOT NULL,"
8064 : "definition TEXT NOT NULL,"
8065 : "scope TEXT NOT NULL,"
8066 : "CONSTRAINT ge_tce UNIQUE (table_name, column_name, extension_name)"
8067 : ")";
8068 :
8069 810 : return SQLCommand(hDB, pszCreateGpkgExtensions);
8070 : }
8071 :
8072 : /************************************************************************/
8073 : /* OGR_GPKG_Intersects_Spatial_Filter() */
8074 : /************************************************************************/
8075 :
8076 23135 : void OGR_GPKG_Intersects_Spatial_Filter(sqlite3_context *pContext, int argc,
8077 : sqlite3_value **argv)
8078 : {
8079 23135 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8080 : {
8081 0 : sqlite3_result_int(pContext, 0);
8082 23125 : return;
8083 : }
8084 :
8085 : auto poLayer =
8086 23135 : static_cast<OGRGeoPackageTableLayer *>(sqlite3_user_data(pContext));
8087 :
8088 23135 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8089 : const GByte *pabyBLOB =
8090 23135 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8091 :
8092 : GPkgHeader sHeader;
8093 46270 : if (poLayer->m_bFilterIsEnvelope &&
8094 23135 : OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false, 0))
8095 : {
8096 23135 : if (sHeader.bExtentHasXY)
8097 : {
8098 95 : OGREnvelope sEnvelope;
8099 95 : sEnvelope.MinX = sHeader.MinX;
8100 95 : sEnvelope.MinY = sHeader.MinY;
8101 95 : sEnvelope.MaxX = sHeader.MaxX;
8102 95 : sEnvelope.MaxY = sHeader.MaxY;
8103 95 : if (poLayer->m_sFilterEnvelope.Contains(sEnvelope))
8104 : {
8105 31 : sqlite3_result_int(pContext, 1);
8106 31 : return;
8107 : }
8108 : }
8109 :
8110 : // Check if at least one point falls into the layer filter envelope
8111 : // nHeaderLen is > 0 for GeoPackage geometries
8112 46208 : if (sHeader.nHeaderLen > 0 &&
8113 23104 : OGRWKBIntersectsPessimistic(pabyBLOB + sHeader.nHeaderLen,
8114 23104 : nBLOBLen - sHeader.nHeaderLen,
8115 23104 : poLayer->m_sFilterEnvelope))
8116 : {
8117 23094 : sqlite3_result_int(pContext, 1);
8118 23094 : return;
8119 : }
8120 : }
8121 :
8122 : auto poGeom = std::unique_ptr<OGRGeometry>(
8123 10 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8124 10 : if (poGeom == nullptr)
8125 : {
8126 : // Try also spatialite geometry blobs
8127 0 : OGRGeometry *poGeomSpatialite = nullptr;
8128 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8129 0 : &poGeomSpatialite) != OGRERR_NONE)
8130 : {
8131 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8132 0 : sqlite3_result_int(pContext, 0);
8133 0 : return;
8134 : }
8135 0 : poGeom.reset(poGeomSpatialite);
8136 : }
8137 :
8138 10 : sqlite3_result_int(pContext, poLayer->FilterGeometry(poGeom.get()));
8139 : }
8140 :
8141 : /************************************************************************/
8142 : /* OGRGeoPackageSTMinX() */
8143 : /************************************************************************/
8144 :
8145 252254 : static void OGRGeoPackageSTMinX(sqlite3_context *pContext, int argc,
8146 : sqlite3_value **argv)
8147 : {
8148 : GPkgHeader sHeader;
8149 252254 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8150 : {
8151 3 : sqlite3_result_null(pContext);
8152 3 : return;
8153 : }
8154 252251 : sqlite3_result_double(pContext, sHeader.MinX);
8155 : }
8156 :
8157 : /************************************************************************/
8158 : /* OGRGeoPackageSTMinY() */
8159 : /************************************************************************/
8160 :
8161 252252 : static void OGRGeoPackageSTMinY(sqlite3_context *pContext, int argc,
8162 : sqlite3_value **argv)
8163 : {
8164 : GPkgHeader sHeader;
8165 252252 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8166 : {
8167 1 : sqlite3_result_null(pContext);
8168 1 : return;
8169 : }
8170 252251 : sqlite3_result_double(pContext, sHeader.MinY);
8171 : }
8172 :
8173 : /************************************************************************/
8174 : /* OGRGeoPackageSTMaxX() */
8175 : /************************************************************************/
8176 :
8177 252252 : static void OGRGeoPackageSTMaxX(sqlite3_context *pContext, int argc,
8178 : sqlite3_value **argv)
8179 : {
8180 : GPkgHeader sHeader;
8181 252252 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8182 : {
8183 1 : sqlite3_result_null(pContext);
8184 1 : return;
8185 : }
8186 252251 : sqlite3_result_double(pContext, sHeader.MaxX);
8187 : }
8188 :
8189 : /************************************************************************/
8190 : /* OGRGeoPackageSTMaxY() */
8191 : /************************************************************************/
8192 :
8193 252252 : static void OGRGeoPackageSTMaxY(sqlite3_context *pContext, int argc,
8194 : sqlite3_value **argv)
8195 : {
8196 : GPkgHeader sHeader;
8197 252252 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8198 : {
8199 1 : sqlite3_result_null(pContext);
8200 1 : return;
8201 : }
8202 252251 : sqlite3_result_double(pContext, sHeader.MaxY);
8203 : }
8204 :
8205 : /************************************************************************/
8206 : /* OGRGeoPackageSTIsEmpty() */
8207 : /************************************************************************/
8208 :
8209 253663 : static void OGRGeoPackageSTIsEmpty(sqlite3_context *pContext, int argc,
8210 : sqlite3_value **argv)
8211 : {
8212 : GPkgHeader sHeader;
8213 253663 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8214 : {
8215 2 : sqlite3_result_null(pContext);
8216 2 : return;
8217 : }
8218 253661 : sqlite3_result_int(pContext, sHeader.bEmpty);
8219 : }
8220 :
8221 : /************************************************************************/
8222 : /* OGRGeoPackageSTGeometryType() */
8223 : /************************************************************************/
8224 :
8225 7 : static void OGRGeoPackageSTGeometryType(sqlite3_context *pContext, int /*argc*/,
8226 : sqlite3_value **argv)
8227 : {
8228 : GPkgHeader sHeader;
8229 :
8230 7 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8231 : const GByte *pabyBLOB =
8232 7 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8233 : OGRwkbGeometryType eGeometryType;
8234 :
8235 13 : if (nBLOBLen < 8 ||
8236 6 : GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) != OGRERR_NONE)
8237 : {
8238 2 : if (OGRSQLiteGetSpatialiteGeometryHeader(
8239 : pabyBLOB, nBLOBLen, nullptr, &eGeometryType, nullptr, nullptr,
8240 2 : nullptr, nullptr, nullptr) == OGRERR_NONE)
8241 : {
8242 1 : sqlite3_result_text(pContext, OGRToOGCGeomType(eGeometryType), -1,
8243 : SQLITE_TRANSIENT);
8244 4 : return;
8245 : }
8246 : else
8247 : {
8248 1 : sqlite3_result_null(pContext);
8249 1 : return;
8250 : }
8251 : }
8252 :
8253 5 : if (static_cast<size_t>(nBLOBLen) < sHeader.nHeaderLen + 5)
8254 : {
8255 2 : sqlite3_result_null(pContext);
8256 2 : return;
8257 : }
8258 :
8259 3 : OGRErr err = OGRReadWKBGeometryType(pabyBLOB + sHeader.nHeaderLen,
8260 : wkbVariantIso, &eGeometryType);
8261 3 : if (err != OGRERR_NONE)
8262 1 : sqlite3_result_null(pContext);
8263 : else
8264 2 : sqlite3_result_text(pContext, OGRToOGCGeomType(eGeometryType), -1,
8265 : SQLITE_TRANSIENT);
8266 : }
8267 :
8268 : /************************************************************************/
8269 : /* OGRGeoPackageSTEnvelopesIntersects() */
8270 : /************************************************************************/
8271 :
8272 118 : static void OGRGeoPackageSTEnvelopesIntersects(sqlite3_context *pContext,
8273 : int argc, sqlite3_value **argv)
8274 : {
8275 : GPkgHeader sHeader;
8276 118 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8277 : {
8278 2 : sqlite3_result_int(pContext, FALSE);
8279 107 : return;
8280 : }
8281 116 : const double dfMinX = sqlite3_value_double(argv[1]);
8282 116 : if (sHeader.MaxX < dfMinX)
8283 : {
8284 93 : sqlite3_result_int(pContext, FALSE);
8285 93 : return;
8286 : }
8287 23 : const double dfMinY = sqlite3_value_double(argv[2]);
8288 23 : if (sHeader.MaxY < dfMinY)
8289 : {
8290 11 : sqlite3_result_int(pContext, FALSE);
8291 11 : return;
8292 : }
8293 12 : const double dfMaxX = sqlite3_value_double(argv[3]);
8294 12 : if (sHeader.MinX > dfMaxX)
8295 : {
8296 1 : sqlite3_result_int(pContext, FALSE);
8297 1 : return;
8298 : }
8299 11 : const double dfMaxY = sqlite3_value_double(argv[4]);
8300 11 : sqlite3_result_int(pContext, sHeader.MinY <= dfMaxY);
8301 : }
8302 :
8303 : /************************************************************************/
8304 : /* OGRGeoPackageSTEnvelopesIntersectsTwoParams() */
8305 : /************************************************************************/
8306 :
8307 : static void
8308 3 : OGRGeoPackageSTEnvelopesIntersectsTwoParams(sqlite3_context *pContext, int argc,
8309 : sqlite3_value **argv)
8310 : {
8311 : GPkgHeader sHeader;
8312 3 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false, 0))
8313 : {
8314 0 : sqlite3_result_int(pContext, FALSE);
8315 2 : return;
8316 : }
8317 : GPkgHeader sHeader2;
8318 3 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader2, true, false,
8319 : 1))
8320 : {
8321 0 : sqlite3_result_int(pContext, FALSE);
8322 0 : return;
8323 : }
8324 3 : if (sHeader.MaxX < sHeader2.MinX)
8325 : {
8326 1 : sqlite3_result_int(pContext, FALSE);
8327 1 : return;
8328 : }
8329 2 : if (sHeader.MaxY < sHeader2.MinY)
8330 : {
8331 0 : sqlite3_result_int(pContext, FALSE);
8332 0 : return;
8333 : }
8334 2 : if (sHeader.MinX > sHeader2.MaxX)
8335 : {
8336 1 : sqlite3_result_int(pContext, FALSE);
8337 1 : return;
8338 : }
8339 1 : sqlite3_result_int(pContext, sHeader.MinY <= sHeader2.MaxY);
8340 : }
8341 :
8342 : /************************************************************************/
8343 : /* OGRGeoPackageGPKGIsAssignable() */
8344 : /************************************************************************/
8345 :
8346 8 : static void OGRGeoPackageGPKGIsAssignable(sqlite3_context *pContext,
8347 : int /*argc*/, sqlite3_value **argv)
8348 : {
8349 15 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8350 7 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8351 : {
8352 2 : sqlite3_result_int(pContext, 0);
8353 2 : return;
8354 : }
8355 :
8356 : const char *pszExpected =
8357 6 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8358 : const char *pszActual =
8359 6 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8360 6 : int bIsAssignable = OGR_GT_IsSubClassOf(OGRFromOGCGeomType(pszActual),
8361 : OGRFromOGCGeomType(pszExpected));
8362 6 : sqlite3_result_int(pContext, bIsAssignable);
8363 : }
8364 :
8365 : /************************************************************************/
8366 : /* OGRGeoPackageSTSRID() */
8367 : /************************************************************************/
8368 :
8369 12 : static void OGRGeoPackageSTSRID(sqlite3_context *pContext, int argc,
8370 : sqlite3_value **argv)
8371 : {
8372 : GPkgHeader sHeader;
8373 12 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8374 : {
8375 2 : sqlite3_result_null(pContext);
8376 2 : return;
8377 : }
8378 10 : sqlite3_result_int(pContext, sHeader.iSrsId);
8379 : }
8380 :
8381 : /************************************************************************/
8382 : /* OGRGeoPackageSetSRID() */
8383 : /************************************************************************/
8384 :
8385 28 : static void OGRGeoPackageSetSRID(sqlite3_context *pContext, int /* argc */,
8386 : sqlite3_value **argv)
8387 : {
8388 28 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8389 : {
8390 1 : sqlite3_result_null(pContext);
8391 1 : return;
8392 : }
8393 27 : const int nDestSRID = sqlite3_value_int(argv[1]);
8394 : GPkgHeader sHeader;
8395 27 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8396 : const GByte *pabyBLOB =
8397 27 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8398 :
8399 54 : if (nBLOBLen < 8 ||
8400 27 : GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) != OGRERR_NONE)
8401 : {
8402 : // Try also spatialite geometry blobs
8403 0 : OGRGeometry *poGeom = nullptr;
8404 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeom) !=
8405 : OGRERR_NONE)
8406 : {
8407 0 : sqlite3_result_null(pContext);
8408 0 : return;
8409 : }
8410 0 : size_t nBLOBDestLen = 0;
8411 : GByte *pabyDestBLOB =
8412 0 : GPkgGeometryFromOGR(poGeom, nDestSRID, nullptr, &nBLOBDestLen);
8413 0 : if (!pabyDestBLOB)
8414 : {
8415 0 : sqlite3_result_null(pContext);
8416 0 : return;
8417 : }
8418 0 : sqlite3_result_blob(pContext, pabyDestBLOB,
8419 : static_cast<int>(nBLOBDestLen), VSIFree);
8420 0 : return;
8421 : }
8422 :
8423 27 : GByte *pabyDestBLOB = static_cast<GByte *>(CPLMalloc(nBLOBLen));
8424 27 : memcpy(pabyDestBLOB, pabyBLOB, nBLOBLen);
8425 27 : int32_t nSRIDToSerialize = nDestSRID;
8426 27 : if (OGR_SWAP(sHeader.eByteOrder))
8427 0 : nSRIDToSerialize = CPL_SWAP32(nSRIDToSerialize);
8428 27 : memcpy(pabyDestBLOB + 4, &nSRIDToSerialize, 4);
8429 27 : sqlite3_result_blob(pContext, pabyDestBLOB, nBLOBLen, VSIFree);
8430 : }
8431 :
8432 : /************************************************************************/
8433 : /* OGRGeoPackageSTMakeValid() */
8434 : /************************************************************************/
8435 :
8436 3 : static void OGRGeoPackageSTMakeValid(sqlite3_context *pContext, int argc,
8437 : sqlite3_value **argv)
8438 : {
8439 3 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8440 : {
8441 2 : sqlite3_result_null(pContext);
8442 2 : return;
8443 : }
8444 1 : int nBLOBLen = sqlite3_value_bytes(argv[0]);
8445 : const GByte *pabyBLOB =
8446 1 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8447 :
8448 : GPkgHeader sHeader;
8449 1 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8450 : {
8451 0 : sqlite3_result_null(pContext);
8452 0 : return;
8453 : }
8454 :
8455 : auto poGeom = std::unique_ptr<OGRGeometry>(
8456 1 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8457 1 : if (poGeom == nullptr)
8458 : {
8459 : // Try also spatialite geometry blobs
8460 0 : OGRGeometry *poGeomPtr = nullptr;
8461 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeomPtr) !=
8462 : OGRERR_NONE)
8463 : {
8464 0 : sqlite3_result_null(pContext);
8465 0 : return;
8466 : }
8467 0 : poGeom.reset(poGeomPtr);
8468 : }
8469 1 : auto poValid = std::unique_ptr<OGRGeometry>(poGeom->MakeValid());
8470 1 : if (poValid == nullptr)
8471 : {
8472 0 : sqlite3_result_null(pContext);
8473 0 : return;
8474 : }
8475 :
8476 1 : size_t nBLOBDestLen = 0;
8477 1 : GByte *pabyDestBLOB = GPkgGeometryFromOGR(poValid.get(), sHeader.iSrsId,
8478 : nullptr, &nBLOBDestLen);
8479 1 : if (!pabyDestBLOB)
8480 : {
8481 0 : sqlite3_result_null(pContext);
8482 0 : return;
8483 : }
8484 1 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
8485 : VSIFree);
8486 : }
8487 :
8488 : /************************************************************************/
8489 : /* OGRGeoPackageSTArea() */
8490 : /************************************************************************/
8491 :
8492 19 : static void OGRGeoPackageSTArea(sqlite3_context *pContext, int /*argc*/,
8493 : sqlite3_value **argv)
8494 : {
8495 19 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8496 : {
8497 1 : sqlite3_result_null(pContext);
8498 15 : return;
8499 : }
8500 18 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8501 : const GByte *pabyBLOB =
8502 18 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8503 :
8504 : GPkgHeader sHeader;
8505 0 : std::unique_ptr<OGRGeometry> poGeom;
8506 18 : if (GPkgHeaderFromWKB(pabyBLOB, nBLOBLen, &sHeader) == OGRERR_NONE)
8507 : {
8508 16 : if (sHeader.bEmpty)
8509 : {
8510 3 : sqlite3_result_double(pContext, 0);
8511 13 : return;
8512 : }
8513 13 : const GByte *pabyWkb = pabyBLOB + sHeader.nHeaderLen;
8514 13 : size_t nWKBSize = nBLOBLen - sHeader.nHeaderLen;
8515 : bool bNeedSwap;
8516 : uint32_t nType;
8517 13 : if (OGRWKBGetGeomType(pabyWkb, nWKBSize, bNeedSwap, nType))
8518 : {
8519 13 : if (nType == wkbPolygon || nType == wkbPolygon25D ||
8520 11 : nType == wkbPolygon + 1000 || // wkbPolygonZ
8521 10 : nType == wkbPolygonM || nType == wkbPolygonZM)
8522 : {
8523 : double dfArea;
8524 5 : if (OGRWKBPolygonGetArea(pabyWkb, nWKBSize, dfArea))
8525 : {
8526 5 : sqlite3_result_double(pContext, dfArea);
8527 5 : return;
8528 0 : }
8529 : }
8530 8 : else if (nType == wkbMultiPolygon || nType == wkbMultiPolygon25D ||
8531 6 : nType == wkbMultiPolygon + 1000 || // wkbMultiPolygonZ
8532 5 : nType == wkbMultiPolygonM || nType == wkbMultiPolygonZM)
8533 : {
8534 : double dfArea;
8535 5 : if (OGRWKBMultiPolygonGetArea(pabyWkb, nWKBSize, dfArea))
8536 : {
8537 5 : sqlite3_result_double(pContext, dfArea);
8538 5 : return;
8539 : }
8540 : }
8541 : }
8542 :
8543 : // For curve geometries, fallback to OGRGeometry methods
8544 3 : poGeom.reset(GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8545 : }
8546 : else
8547 : {
8548 : // Try also spatialite geometry blobs
8549 2 : OGRGeometry *poGeomPtr = nullptr;
8550 2 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen, &poGeomPtr) !=
8551 : OGRERR_NONE)
8552 : {
8553 1 : sqlite3_result_null(pContext);
8554 1 : return;
8555 : }
8556 1 : poGeom.reset(poGeomPtr);
8557 : }
8558 4 : auto poSurface = dynamic_cast<OGRSurface *>(poGeom.get());
8559 4 : if (poSurface == nullptr)
8560 : {
8561 2 : auto poMultiSurface = dynamic_cast<OGRMultiSurface *>(poGeom.get());
8562 2 : if (poMultiSurface == nullptr)
8563 : {
8564 1 : sqlite3_result_double(pContext, 0);
8565 : }
8566 : else
8567 : {
8568 1 : sqlite3_result_double(pContext, poMultiSurface->get_Area());
8569 : }
8570 : }
8571 : else
8572 : {
8573 2 : sqlite3_result_double(pContext, poSurface->get_Area());
8574 : }
8575 : }
8576 :
8577 : /************************************************************************/
8578 : /* OGRGeoPackageGeodesicArea() */
8579 : /************************************************************************/
8580 :
8581 5 : static void OGRGeoPackageGeodesicArea(sqlite3_context *pContext, int argc,
8582 : sqlite3_value **argv)
8583 : {
8584 5 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8585 : {
8586 1 : sqlite3_result_null(pContext);
8587 3 : return;
8588 : }
8589 4 : if (sqlite3_value_int(argv[1]) != 1)
8590 : {
8591 2 : CPLError(CE_Warning, CPLE_NotSupported,
8592 : "ST_Area(geom, use_ellipsoid) is only supported for "
8593 : "use_ellipsoid = 1");
8594 : }
8595 :
8596 4 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8597 : const GByte *pabyBLOB =
8598 4 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8599 : GPkgHeader sHeader;
8600 4 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8601 : {
8602 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8603 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8604 1 : return;
8605 : }
8606 :
8607 : GDALGeoPackageDataset *poDS =
8608 3 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8609 :
8610 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser> poSrcSRS(
8611 3 : poDS->GetSpatialRef(sHeader.iSrsId, true));
8612 3 : if (poSrcSRS == nullptr)
8613 : {
8614 1 : CPLError(CE_Failure, CPLE_AppDefined,
8615 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8616 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8617 1 : return;
8618 : }
8619 :
8620 : auto poGeom = std::unique_ptr<OGRGeometry>(
8621 2 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8622 2 : if (poGeom == nullptr)
8623 : {
8624 : // Try also spatialite geometry blobs
8625 0 : OGRGeometry *poGeomSpatialite = nullptr;
8626 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8627 0 : &poGeomSpatialite) != OGRERR_NONE)
8628 : {
8629 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8630 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8631 0 : return;
8632 : }
8633 0 : poGeom.reset(poGeomSpatialite);
8634 : }
8635 :
8636 2 : poGeom->assignSpatialReference(poSrcSRS.get());
8637 2 : sqlite3_result_double(
8638 : pContext, OGR_G_GeodesicArea(OGRGeometry::ToHandle(poGeom.get())));
8639 : }
8640 :
8641 : /************************************************************************/
8642 : /* OGRGeoPackageLengthOrGeodesicLength() */
8643 : /************************************************************************/
8644 :
8645 8 : static void OGRGeoPackageLengthOrGeodesicLength(sqlite3_context *pContext,
8646 : int argc, sqlite3_value **argv)
8647 : {
8648 8 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
8649 : {
8650 2 : sqlite3_result_null(pContext);
8651 5 : return;
8652 : }
8653 6 : if (argc == 2 && sqlite3_value_int(argv[1]) != 1)
8654 : {
8655 2 : CPLError(CE_Warning, CPLE_NotSupported,
8656 : "ST_Length(geom, use_ellipsoid) is only supported for "
8657 : "use_ellipsoid = 1");
8658 : }
8659 :
8660 6 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8661 : const GByte *pabyBLOB =
8662 6 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8663 : GPkgHeader sHeader;
8664 6 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8665 : {
8666 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8667 2 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8668 2 : return;
8669 : }
8670 :
8671 : GDALGeoPackageDataset *poDS =
8672 4 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8673 :
8674 0 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser> poSrcSRS;
8675 4 : if (argc == 2)
8676 : {
8677 3 : poSrcSRS = poDS->GetSpatialRef(sHeader.iSrsId, true);
8678 3 : if (!poSrcSRS)
8679 : {
8680 1 : CPLError(CE_Failure, CPLE_AppDefined,
8681 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8682 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8683 1 : return;
8684 : }
8685 : }
8686 :
8687 : auto poGeom = std::unique_ptr<OGRGeometry>(
8688 3 : GPkgGeometryToOGR(pabyBLOB, nBLOBLen, nullptr));
8689 3 : if (poGeom == nullptr)
8690 : {
8691 : // Try also spatialite geometry blobs
8692 0 : OGRGeometry *poGeomSpatialite = nullptr;
8693 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8694 0 : &poGeomSpatialite) != OGRERR_NONE)
8695 : {
8696 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8697 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8698 0 : return;
8699 : }
8700 0 : poGeom.reset(poGeomSpatialite);
8701 : }
8702 :
8703 3 : if (argc == 2)
8704 2 : poGeom->assignSpatialReference(poSrcSRS.get());
8705 :
8706 6 : sqlite3_result_double(
8707 : pContext,
8708 1 : argc == 1 ? OGR_G_Length(OGRGeometry::ToHandle(poGeom.get()))
8709 2 : : OGR_G_GeodesicLength(OGRGeometry::ToHandle(poGeom.get())));
8710 : }
8711 :
8712 : /************************************************************************/
8713 : /* OGRGeoPackageTransform() */
8714 : /************************************************************************/
8715 :
8716 : void OGRGeoPackageTransform(sqlite3_context *pContext, int argc,
8717 : sqlite3_value **argv);
8718 :
8719 32 : void OGRGeoPackageTransform(sqlite3_context *pContext, int argc,
8720 : sqlite3_value **argv)
8721 : {
8722 63 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB ||
8723 31 : sqlite3_value_type(argv[1]) != SQLITE_INTEGER)
8724 : {
8725 2 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8726 32 : return;
8727 : }
8728 :
8729 30 : const int nBLOBLen = sqlite3_value_bytes(argv[0]);
8730 : const GByte *pabyBLOB =
8731 30 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
8732 : GPkgHeader sHeader;
8733 30 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8734 : {
8735 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8736 1 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8737 1 : return;
8738 : }
8739 :
8740 29 : const int nDestSRID = sqlite3_value_int(argv[1]);
8741 29 : if (sHeader.iSrsId == nDestSRID)
8742 : {
8743 : // Return blob unmodified
8744 3 : sqlite3_result_blob(pContext, pabyBLOB, nBLOBLen, SQLITE_TRANSIENT);
8745 3 : return;
8746 : }
8747 :
8748 : GDALGeoPackageDataset *poDS =
8749 26 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8750 :
8751 : // Try to get the cached coordinate transformation
8752 : OGRCoordinateTransformation *poCT;
8753 26 : if (poDS->m_nLastCachedCTSrcSRId == sHeader.iSrsId &&
8754 20 : poDS->m_nLastCachedCTDstSRId == nDestSRID)
8755 : {
8756 20 : poCT = poDS->m_poLastCachedCT.get();
8757 : }
8758 : else
8759 : {
8760 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>
8761 6 : poSrcSRS(poDS->GetSpatialRef(sHeader.iSrsId, true));
8762 6 : if (poSrcSRS == nullptr)
8763 : {
8764 0 : CPLError(CE_Failure, CPLE_AppDefined,
8765 : "SRID set on geometry (%d) is invalid", sHeader.iSrsId);
8766 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8767 0 : return;
8768 : }
8769 :
8770 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>
8771 6 : poDstSRS(poDS->GetSpatialRef(nDestSRID, true));
8772 6 : if (poDstSRS == nullptr)
8773 : {
8774 0 : CPLError(CE_Failure, CPLE_AppDefined, "Target SRID (%d) is invalid",
8775 : nDestSRID);
8776 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8777 0 : return;
8778 : }
8779 : poCT =
8780 6 : OGRCreateCoordinateTransformation(poSrcSRS.get(), poDstSRS.get());
8781 6 : if (poCT == nullptr)
8782 : {
8783 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8784 0 : return;
8785 : }
8786 :
8787 : // Cache coordinate transformation for potential later reuse
8788 6 : poDS->m_nLastCachedCTSrcSRId = sHeader.iSrsId;
8789 6 : poDS->m_nLastCachedCTDstSRId = nDestSRID;
8790 6 : poDS->m_poLastCachedCT.reset(poCT);
8791 6 : poCT = poDS->m_poLastCachedCT.get();
8792 : }
8793 :
8794 26 : if (sHeader.nHeaderLen >= 8)
8795 : {
8796 26 : std::vector<GByte> &abyNewBLOB = poDS->m_abyWKBTransformCache;
8797 26 : abyNewBLOB.resize(nBLOBLen);
8798 26 : memcpy(abyNewBLOB.data(), pabyBLOB, nBLOBLen);
8799 :
8800 26 : OGREnvelope3D oEnv3d;
8801 26 : if (!OGRWKBTransform(abyNewBLOB.data() + sHeader.nHeaderLen,
8802 26 : nBLOBLen - sHeader.nHeaderLen, poCT,
8803 78 : poDS->m_oWKBTransformCache, oEnv3d) ||
8804 26 : !GPkgUpdateHeader(abyNewBLOB.data(), nBLOBLen, nDestSRID,
8805 : oEnv3d.MinX, oEnv3d.MaxX, oEnv3d.MinY,
8806 : oEnv3d.MaxY, oEnv3d.MinZ, oEnv3d.MaxZ))
8807 : {
8808 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8809 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8810 0 : return;
8811 : }
8812 :
8813 26 : sqlite3_result_blob(pContext, abyNewBLOB.data(), nBLOBLen,
8814 : SQLITE_TRANSIENT);
8815 26 : return;
8816 : }
8817 :
8818 : // Try also spatialite geometry blobs
8819 0 : OGRGeometry *poGeomSpatialite = nullptr;
8820 0 : if (OGRSQLiteImportSpatiaLiteGeometry(pabyBLOB, nBLOBLen,
8821 0 : &poGeomSpatialite) != OGRERR_NONE)
8822 : {
8823 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid geometry");
8824 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8825 0 : return;
8826 : }
8827 0 : auto poGeom = std::unique_ptr<OGRGeometry>(poGeomSpatialite);
8828 :
8829 0 : if (poGeom->transform(poCT) != OGRERR_NONE)
8830 : {
8831 0 : sqlite3_result_blob(pContext, nullptr, 0, nullptr);
8832 0 : return;
8833 : }
8834 :
8835 0 : size_t nBLOBDestLen = 0;
8836 : GByte *pabyDestBLOB =
8837 0 : GPkgGeometryFromOGR(poGeom.get(), nDestSRID, nullptr, &nBLOBDestLen);
8838 0 : if (!pabyDestBLOB)
8839 : {
8840 0 : sqlite3_result_null(pContext);
8841 0 : return;
8842 : }
8843 0 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
8844 : VSIFree);
8845 : }
8846 :
8847 : /************************************************************************/
8848 : /* OGRGeoPackageSridFromAuthCRS() */
8849 : /************************************************************************/
8850 :
8851 4 : static void OGRGeoPackageSridFromAuthCRS(sqlite3_context *pContext,
8852 : int /*argc*/, sqlite3_value **argv)
8853 : {
8854 7 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8855 3 : sqlite3_value_type(argv[1]) != SQLITE_INTEGER)
8856 : {
8857 2 : sqlite3_result_int(pContext, -1);
8858 2 : return;
8859 : }
8860 :
8861 : GDALGeoPackageDataset *poDS =
8862 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8863 :
8864 2 : char *pszSQL = sqlite3_mprintf(
8865 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
8866 : "lower(organization) = lower('%q') AND organization_coordsys_id = %d",
8867 2 : sqlite3_value_text(argv[0]), sqlite3_value_int(argv[1]));
8868 2 : OGRErr err = OGRERR_NONE;
8869 2 : int nSRSId = SQLGetInteger(poDS->GetDB(), pszSQL, &err);
8870 2 : sqlite3_free(pszSQL);
8871 2 : if (err != OGRERR_NONE)
8872 1 : nSRSId = -1;
8873 2 : sqlite3_result_int(pContext, nSRSId);
8874 : }
8875 :
8876 : /************************************************************************/
8877 : /* OGRGeoPackageImportFromEPSG() */
8878 : /************************************************************************/
8879 :
8880 4 : static void OGRGeoPackageImportFromEPSG(sqlite3_context *pContext, int /*argc*/,
8881 : sqlite3_value **argv)
8882 : {
8883 4 : if (sqlite3_value_type(argv[0]) != SQLITE_INTEGER)
8884 : {
8885 1 : sqlite3_result_int(pContext, -1);
8886 2 : return;
8887 : }
8888 :
8889 : GDALGeoPackageDataset *poDS =
8890 3 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8891 3 : OGRSpatialReference oSRS;
8892 3 : if (oSRS.importFromEPSG(sqlite3_value_int(argv[0])) != OGRERR_NONE)
8893 : {
8894 1 : sqlite3_result_int(pContext, -1);
8895 1 : return;
8896 : }
8897 :
8898 2 : sqlite3_result_int(pContext, poDS->GetSrsId(&oSRS));
8899 : }
8900 :
8901 : /************************************************************************/
8902 : /* OGRGeoPackageRegisterGeometryExtension() */
8903 : /************************************************************************/
8904 :
8905 1 : static void OGRGeoPackageRegisterGeometryExtension(sqlite3_context *pContext,
8906 : int /*argc*/,
8907 : sqlite3_value **argv)
8908 : {
8909 1 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8910 2 : sqlite3_value_type(argv[1]) != SQLITE_TEXT ||
8911 1 : sqlite3_value_type(argv[2]) != SQLITE_TEXT)
8912 : {
8913 0 : sqlite3_result_int(pContext, 0);
8914 0 : return;
8915 : }
8916 :
8917 : const char *pszTableName =
8918 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8919 : const char *pszGeomName =
8920 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8921 : const char *pszGeomType =
8922 1 : reinterpret_cast<const char *>(sqlite3_value_text(argv[2]));
8923 :
8924 : GDALGeoPackageDataset *poDS =
8925 1 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8926 :
8927 1 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8928 1 : poDS->GetLayerByName(pszTableName));
8929 1 : if (poLyr == nullptr)
8930 : {
8931 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8932 0 : sqlite3_result_int(pContext, 0);
8933 0 : return;
8934 : }
8935 1 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
8936 : {
8937 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
8938 0 : sqlite3_result_int(pContext, 0);
8939 0 : return;
8940 : }
8941 1 : const OGRwkbGeometryType eGeomType = OGRFromOGCGeomType(pszGeomType);
8942 1 : if (eGeomType == wkbUnknown)
8943 : {
8944 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry type name");
8945 0 : sqlite3_result_int(pContext, 0);
8946 0 : return;
8947 : }
8948 :
8949 1 : sqlite3_result_int(
8950 : pContext,
8951 1 : static_cast<int>(poLyr->CreateGeometryExtensionIfNecessary(eGeomType)));
8952 : }
8953 :
8954 : /************************************************************************/
8955 : /* OGRGeoPackageCreateSpatialIndex() */
8956 : /************************************************************************/
8957 :
8958 14 : static void OGRGeoPackageCreateSpatialIndex(sqlite3_context *pContext,
8959 : int /*argc*/, sqlite3_value **argv)
8960 : {
8961 27 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
8962 13 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
8963 : {
8964 2 : sqlite3_result_int(pContext, 0);
8965 2 : return;
8966 : }
8967 :
8968 : const char *pszTableName =
8969 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
8970 : const char *pszGeomName =
8971 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
8972 : GDALGeoPackageDataset *poDS =
8973 12 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
8974 :
8975 12 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
8976 12 : poDS->GetLayerByName(pszTableName));
8977 12 : if (poLyr == nullptr)
8978 : {
8979 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
8980 1 : sqlite3_result_int(pContext, 0);
8981 1 : return;
8982 : }
8983 11 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
8984 : {
8985 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
8986 1 : sqlite3_result_int(pContext, 0);
8987 1 : return;
8988 : }
8989 :
8990 10 : sqlite3_result_int(pContext, poLyr->CreateSpatialIndex());
8991 : }
8992 :
8993 : /************************************************************************/
8994 : /* OGRGeoPackageDisableSpatialIndex() */
8995 : /************************************************************************/
8996 :
8997 12 : static void OGRGeoPackageDisableSpatialIndex(sqlite3_context *pContext,
8998 : int /*argc*/, sqlite3_value **argv)
8999 : {
9000 23 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9001 11 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9002 : {
9003 2 : sqlite3_result_int(pContext, 0);
9004 2 : return;
9005 : }
9006 :
9007 : const char *pszTableName =
9008 10 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9009 : const char *pszGeomName =
9010 10 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9011 : GDALGeoPackageDataset *poDS =
9012 10 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9013 :
9014 10 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
9015 10 : poDS->GetLayerByName(pszTableName));
9016 10 : if (poLyr == nullptr)
9017 : {
9018 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
9019 1 : sqlite3_result_int(pContext, 0);
9020 1 : return;
9021 : }
9022 9 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9023 : {
9024 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9025 1 : sqlite3_result_int(pContext, 0);
9026 1 : return;
9027 : }
9028 :
9029 8 : sqlite3_result_int(pContext, poLyr->DropSpatialIndex(true));
9030 : }
9031 :
9032 : /************************************************************************/
9033 : /* OGRGeoPackageHasSpatialIndex() */
9034 : /************************************************************************/
9035 :
9036 29 : static void OGRGeoPackageHasSpatialIndex(sqlite3_context *pContext,
9037 : int /*argc*/, sqlite3_value **argv)
9038 : {
9039 57 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9040 28 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9041 : {
9042 2 : sqlite3_result_int(pContext, 0);
9043 2 : return;
9044 : }
9045 :
9046 : const char *pszTableName =
9047 27 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9048 : const char *pszGeomName =
9049 27 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9050 : GDALGeoPackageDataset *poDS =
9051 27 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9052 :
9053 27 : OGRGeoPackageTableLayer *poLyr = cpl::down_cast<OGRGeoPackageTableLayer *>(
9054 27 : poDS->GetLayerByName(pszTableName));
9055 27 : if (poLyr == nullptr)
9056 : {
9057 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown layer name");
9058 1 : sqlite3_result_int(pContext, 0);
9059 1 : return;
9060 : }
9061 26 : if (!EQUAL(poLyr->GetGeometryColumn(), pszGeomName))
9062 : {
9063 1 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown geometry column name");
9064 1 : sqlite3_result_int(pContext, 0);
9065 1 : return;
9066 : }
9067 :
9068 25 : poLyr->RunDeferredCreationIfNecessary();
9069 25 : poLyr->CreateSpatialIndexIfNecessary();
9070 :
9071 25 : sqlite3_result_int(pContext, poLyr->HasSpatialIndex());
9072 : }
9073 :
9074 : /************************************************************************/
9075 : /* GPKG_hstore_get_value() */
9076 : /************************************************************************/
9077 :
9078 4 : static void GPKG_hstore_get_value(sqlite3_context *pContext, int /*argc*/,
9079 : sqlite3_value **argv)
9080 : {
9081 7 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT ||
9082 3 : sqlite3_value_type(argv[1]) != SQLITE_TEXT)
9083 : {
9084 2 : sqlite3_result_null(pContext);
9085 2 : return;
9086 : }
9087 :
9088 : const char *pszHStore =
9089 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9090 : const char *pszSearchedKey =
9091 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[1]));
9092 2 : char *pszValue = OGRHStoreGetValue(pszHStore, pszSearchedKey);
9093 2 : if (pszValue != nullptr)
9094 1 : sqlite3_result_text(pContext, pszValue, -1, CPLFree);
9095 : else
9096 1 : sqlite3_result_null(pContext);
9097 : }
9098 :
9099 : /************************************************************************/
9100 : /* GPKG_GDAL_GetMemFileFromBlob() */
9101 : /************************************************************************/
9102 :
9103 105 : static CPLString GPKG_GDAL_GetMemFileFromBlob(sqlite3_value **argv)
9104 : {
9105 105 : int nBytes = sqlite3_value_bytes(argv[0]);
9106 : const GByte *pabyBLOB =
9107 105 : reinterpret_cast<const GByte *>(sqlite3_value_blob(argv[0]));
9108 : CPLString osMemFileName(
9109 105 : VSIMemGenerateHiddenFilename("GPKG_GDAL_GetMemFileFromBlob"));
9110 105 : VSILFILE *fp = VSIFileFromMemBuffer(
9111 : osMemFileName.c_str(), const_cast<GByte *>(pabyBLOB), nBytes, FALSE);
9112 105 : VSIFCloseL(fp);
9113 105 : return osMemFileName;
9114 : }
9115 :
9116 : /************************************************************************/
9117 : /* GPKG_GDAL_GetMimeType() */
9118 : /************************************************************************/
9119 :
9120 35 : static void GPKG_GDAL_GetMimeType(sqlite3_context *pContext, int /*argc*/,
9121 : sqlite3_value **argv)
9122 : {
9123 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9124 : {
9125 0 : sqlite3_result_null(pContext);
9126 0 : return;
9127 : }
9128 :
9129 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9130 : GDALDriver *poDriver =
9131 35 : GDALDriver::FromHandle(GDALIdentifyDriver(osMemFileName, nullptr));
9132 35 : if (poDriver != nullptr)
9133 : {
9134 35 : const char *pszRes = nullptr;
9135 35 : if (EQUAL(poDriver->GetDescription(), "PNG"))
9136 23 : pszRes = "image/png";
9137 12 : else if (EQUAL(poDriver->GetDescription(), "JPEG"))
9138 6 : pszRes = "image/jpeg";
9139 6 : else if (EQUAL(poDriver->GetDescription(), "WEBP"))
9140 6 : pszRes = "image/x-webp";
9141 0 : else if (EQUAL(poDriver->GetDescription(), "GTIFF"))
9142 0 : pszRes = "image/tiff";
9143 : else
9144 0 : pszRes = CPLSPrintf("gdal/%s", poDriver->GetDescription());
9145 35 : sqlite3_result_text(pContext, pszRes, -1, SQLITE_TRANSIENT);
9146 : }
9147 : else
9148 0 : sqlite3_result_null(pContext);
9149 35 : VSIUnlink(osMemFileName);
9150 : }
9151 :
9152 : /************************************************************************/
9153 : /* GPKG_GDAL_GetBandCount() */
9154 : /************************************************************************/
9155 :
9156 35 : static void GPKG_GDAL_GetBandCount(sqlite3_context *pContext, int /*argc*/,
9157 : sqlite3_value **argv)
9158 : {
9159 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9160 : {
9161 0 : sqlite3_result_null(pContext);
9162 0 : return;
9163 : }
9164 :
9165 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9166 : auto poDS = std::unique_ptr<GDALDataset>(
9167 : GDALDataset::Open(osMemFileName, GDAL_OF_RASTER | GDAL_OF_INTERNAL,
9168 70 : nullptr, nullptr, nullptr));
9169 35 : if (poDS != nullptr)
9170 : {
9171 35 : sqlite3_result_int(pContext, poDS->GetRasterCount());
9172 : }
9173 : else
9174 0 : sqlite3_result_null(pContext);
9175 35 : VSIUnlink(osMemFileName);
9176 : }
9177 :
9178 : /************************************************************************/
9179 : /* GPKG_GDAL_HasColorTable() */
9180 : /************************************************************************/
9181 :
9182 35 : static void GPKG_GDAL_HasColorTable(sqlite3_context *pContext, int /*argc*/,
9183 : sqlite3_value **argv)
9184 : {
9185 35 : if (sqlite3_value_type(argv[0]) != SQLITE_BLOB)
9186 : {
9187 0 : sqlite3_result_null(pContext);
9188 0 : return;
9189 : }
9190 :
9191 70 : CPLString osMemFileName(GPKG_GDAL_GetMemFileFromBlob(argv));
9192 : auto poDS = std::unique_ptr<GDALDataset>(
9193 : GDALDataset::Open(osMemFileName, GDAL_OF_RASTER | GDAL_OF_INTERNAL,
9194 70 : nullptr, nullptr, nullptr));
9195 35 : if (poDS != nullptr)
9196 : {
9197 35 : sqlite3_result_int(
9198 46 : pContext, poDS->GetRasterCount() == 1 &&
9199 11 : poDS->GetRasterBand(1)->GetColorTable() != nullptr);
9200 : }
9201 : else
9202 0 : sqlite3_result_null(pContext);
9203 35 : VSIUnlink(osMemFileName);
9204 : }
9205 :
9206 : /************************************************************************/
9207 : /* GetRasterLayerDataset() */
9208 : /************************************************************************/
9209 :
9210 : GDALDataset *
9211 12 : GDALGeoPackageDataset::GetRasterLayerDataset(const char *pszLayerName)
9212 : {
9213 12 : const auto oIter = m_oCachedRasterDS.find(pszLayerName);
9214 12 : if (oIter != m_oCachedRasterDS.end())
9215 10 : return oIter->second.get();
9216 :
9217 : auto poDS = std::unique_ptr<GDALDataset>(GDALDataset::Open(
9218 4 : (std::string("GPKG:\"") + m_pszFilename + "\":" + pszLayerName).c_str(),
9219 4 : GDAL_OF_RASTER | GDAL_OF_VERBOSE_ERROR));
9220 2 : if (!poDS)
9221 : {
9222 0 : return nullptr;
9223 : }
9224 2 : m_oCachedRasterDS[pszLayerName] = std::move(poDS);
9225 2 : return m_oCachedRasterDS[pszLayerName].get();
9226 : }
9227 :
9228 : /************************************************************************/
9229 : /* GPKG_gdal_get_layer_pixel_value() */
9230 : /************************************************************************/
9231 :
9232 : // NOTE: keep in sync implementations in ogrsqlitesqlfunctionscommon.cpp
9233 : // and ogrgeopackagedatasource.cpp
9234 13 : static void GPKG_gdal_get_layer_pixel_value(sqlite3_context *pContext, int argc,
9235 : sqlite3_value **argv)
9236 : {
9237 13 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT)
9238 : {
9239 1 : CPLError(CE_Failure, CPLE_AppDefined,
9240 : "Invalid arguments to gdal_get_layer_pixel_value()");
9241 1 : sqlite3_result_null(pContext);
9242 1 : return;
9243 : }
9244 :
9245 : const char *pszLayerName =
9246 12 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9247 :
9248 : GDALGeoPackageDataset *poGlobalDS =
9249 12 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9250 12 : auto poDS = poGlobalDS->GetRasterLayerDataset(pszLayerName);
9251 12 : if (!poDS)
9252 : {
9253 0 : sqlite3_result_null(pContext);
9254 0 : return;
9255 : }
9256 :
9257 12 : OGRSQLite_gdal_get_pixel_value_common("gdal_get_layer_pixel_value",
9258 : pContext, argc, argv, poDS);
9259 : }
9260 :
9261 : /************************************************************************/
9262 : /* GPKG_ogr_layer_Extent() */
9263 : /************************************************************************/
9264 :
9265 3 : static void GPKG_ogr_layer_Extent(sqlite3_context *pContext, int /*argc*/,
9266 : sqlite3_value **argv)
9267 : {
9268 3 : if (sqlite3_value_type(argv[0]) != SQLITE_TEXT)
9269 : {
9270 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Invalid argument type",
9271 : "ogr_layer_Extent");
9272 1 : sqlite3_result_null(pContext);
9273 2 : return;
9274 : }
9275 :
9276 : const char *pszLayerName =
9277 2 : reinterpret_cast<const char *>(sqlite3_value_text(argv[0]));
9278 : GDALGeoPackageDataset *poDS =
9279 2 : static_cast<GDALGeoPackageDataset *>(sqlite3_user_data(pContext));
9280 2 : OGRLayer *poLayer = poDS->GetLayerByName(pszLayerName);
9281 2 : if (!poLayer)
9282 : {
9283 1 : CPLError(CE_Failure, CPLE_AppDefined, "%s: unknown layer",
9284 : "ogr_layer_Extent");
9285 1 : sqlite3_result_null(pContext);
9286 1 : return;
9287 : }
9288 :
9289 1 : if (poLayer->GetGeomType() == wkbNone)
9290 : {
9291 0 : sqlite3_result_null(pContext);
9292 0 : return;
9293 : }
9294 :
9295 1 : OGREnvelope sExtent;
9296 1 : if (poLayer->GetExtent(&sExtent) != OGRERR_NONE)
9297 : {
9298 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s: Cannot fetch layer extent",
9299 : "ogr_layer_Extent");
9300 0 : sqlite3_result_null(pContext);
9301 0 : return;
9302 : }
9303 :
9304 1 : OGRPolygon oPoly;
9305 1 : auto poRing = std::make_unique<OGRLinearRing>();
9306 1 : poRing->addPoint(sExtent.MinX, sExtent.MinY);
9307 1 : poRing->addPoint(sExtent.MaxX, sExtent.MinY);
9308 1 : poRing->addPoint(sExtent.MaxX, sExtent.MaxY);
9309 1 : poRing->addPoint(sExtent.MinX, sExtent.MaxY);
9310 1 : poRing->addPoint(sExtent.MinX, sExtent.MinY);
9311 1 : oPoly.addRing(std::move(poRing));
9312 :
9313 1 : const auto poSRS = poLayer->GetSpatialRef();
9314 1 : const int nSRID = poDS->GetSrsId(poSRS);
9315 1 : size_t nBLOBDestLen = 0;
9316 : GByte *pabyDestBLOB =
9317 1 : GPkgGeometryFromOGR(&oPoly, nSRID, nullptr, &nBLOBDestLen);
9318 1 : if (!pabyDestBLOB)
9319 : {
9320 0 : sqlite3_result_null(pContext);
9321 0 : return;
9322 : }
9323 1 : sqlite3_result_blob(pContext, pabyDestBLOB, static_cast<int>(nBLOBDestLen),
9324 : VSIFree);
9325 : }
9326 :
9327 : /************************************************************************/
9328 : /* InstallSQLFunctions() */
9329 : /************************************************************************/
9330 :
9331 : #ifndef SQLITE_DETERMINISTIC
9332 : #define SQLITE_DETERMINISTIC 0
9333 : #endif
9334 :
9335 : #ifndef SQLITE_INNOCUOUS
9336 : #define SQLITE_INNOCUOUS 0
9337 : #endif
9338 :
9339 : #ifndef UTF8_INNOCUOUS
9340 : #define UTF8_INNOCUOUS (SQLITE_UTF8 | SQLITE_DETERMINISTIC | SQLITE_INNOCUOUS)
9341 : #endif
9342 :
9343 2224 : void GDALGeoPackageDataset::InstallSQLFunctions()
9344 : {
9345 2224 : InitSpatialite();
9346 :
9347 : // Enable SpatiaLite 4.3 "amphibious" mode, i.e. that SpatiaLite functions
9348 : // that take geometries will accept GPKG encoded geometries without
9349 : // explicit conversion.
9350 : // Use sqlite3_exec() instead of SQLCommand() since we don't want verbose
9351 : // error.
9352 2224 : sqlite3_exec(hDB, "SELECT EnableGpkgAmphibiousMode()", nullptr, nullptr,
9353 : nullptr);
9354 :
9355 : /* Used by RTree Spatial Index Extension */
9356 2224 : sqlite3_create_function(hDB, "ST_MinX", 1, UTF8_INNOCUOUS, nullptr,
9357 : OGRGeoPackageSTMinX, nullptr, nullptr);
9358 2224 : sqlite3_create_function(hDB, "ST_MinY", 1, UTF8_INNOCUOUS, nullptr,
9359 : OGRGeoPackageSTMinY, nullptr, nullptr);
9360 2224 : sqlite3_create_function(hDB, "ST_MaxX", 1, UTF8_INNOCUOUS, nullptr,
9361 : OGRGeoPackageSTMaxX, nullptr, nullptr);
9362 2224 : sqlite3_create_function(hDB, "ST_MaxY", 1, UTF8_INNOCUOUS, nullptr,
9363 : OGRGeoPackageSTMaxY, nullptr, nullptr);
9364 2224 : sqlite3_create_function(hDB, "ST_IsEmpty", 1, UTF8_INNOCUOUS, nullptr,
9365 : OGRGeoPackageSTIsEmpty, nullptr, nullptr);
9366 :
9367 : /* Used by Geometry Type Triggers Extension */
9368 2224 : sqlite3_create_function(hDB, "ST_GeometryType", 1, UTF8_INNOCUOUS, nullptr,
9369 : OGRGeoPackageSTGeometryType, nullptr, nullptr);
9370 2224 : sqlite3_create_function(hDB, "GPKG_IsAssignable", 2, UTF8_INNOCUOUS,
9371 : nullptr, OGRGeoPackageGPKGIsAssignable, nullptr,
9372 : nullptr);
9373 :
9374 : /* Used by Geometry SRS ID Triggers Extension */
9375 2224 : sqlite3_create_function(hDB, "ST_SRID", 1, UTF8_INNOCUOUS, nullptr,
9376 : OGRGeoPackageSTSRID, nullptr, nullptr);
9377 :
9378 : /* Spatialite-like functions */
9379 2224 : sqlite3_create_function(hDB, "CreateSpatialIndex", 2, SQLITE_UTF8, this,
9380 : OGRGeoPackageCreateSpatialIndex, nullptr, nullptr);
9381 2224 : sqlite3_create_function(hDB, "DisableSpatialIndex", 2, SQLITE_UTF8, this,
9382 : OGRGeoPackageDisableSpatialIndex, nullptr, nullptr);
9383 2224 : sqlite3_create_function(hDB, "HasSpatialIndex", 2, SQLITE_UTF8, this,
9384 : OGRGeoPackageHasSpatialIndex, nullptr, nullptr);
9385 :
9386 : // HSTORE functions
9387 2224 : sqlite3_create_function(hDB, "hstore_get_value", 2, UTF8_INNOCUOUS, nullptr,
9388 : GPKG_hstore_get_value, nullptr, nullptr);
9389 :
9390 : // Override a few Spatialite functions to work with gpkg_spatial_ref_sys
9391 2224 : sqlite3_create_function(hDB, "ST_Transform", 2, UTF8_INNOCUOUS, this,
9392 : OGRGeoPackageTransform, nullptr, nullptr);
9393 2224 : sqlite3_create_function(hDB, "Transform", 2, UTF8_INNOCUOUS, this,
9394 : OGRGeoPackageTransform, nullptr, nullptr);
9395 2224 : sqlite3_create_function(hDB, "SridFromAuthCRS", 2, SQLITE_UTF8, this,
9396 : OGRGeoPackageSridFromAuthCRS, nullptr, nullptr);
9397 :
9398 2224 : sqlite3_create_function(hDB, "ST_EnvIntersects", 2, UTF8_INNOCUOUS, nullptr,
9399 : OGRGeoPackageSTEnvelopesIntersectsTwoParams,
9400 : nullptr, nullptr);
9401 2224 : sqlite3_create_function(
9402 : hDB, "ST_EnvelopesIntersects", 2, UTF8_INNOCUOUS, nullptr,
9403 : OGRGeoPackageSTEnvelopesIntersectsTwoParams, nullptr, nullptr);
9404 :
9405 2224 : sqlite3_create_function(hDB, "ST_EnvIntersects", 5, UTF8_INNOCUOUS, nullptr,
9406 : OGRGeoPackageSTEnvelopesIntersects, nullptr,
9407 : nullptr);
9408 2224 : sqlite3_create_function(hDB, "ST_EnvelopesIntersects", 5, UTF8_INNOCUOUS,
9409 : nullptr, OGRGeoPackageSTEnvelopesIntersects,
9410 : nullptr, nullptr);
9411 :
9412 : // Implementation that directly hacks the GeoPackage geometry blob header
9413 2224 : sqlite3_create_function(hDB, "SetSRID", 2, UTF8_INNOCUOUS, nullptr,
9414 : OGRGeoPackageSetSRID, nullptr, nullptr);
9415 :
9416 : // GDAL specific function
9417 2224 : sqlite3_create_function(hDB, "ImportFromEPSG", 1, SQLITE_UTF8, this,
9418 : OGRGeoPackageImportFromEPSG, nullptr, nullptr);
9419 :
9420 : // May be used by ogrmerge.py
9421 2224 : sqlite3_create_function(hDB, "RegisterGeometryExtension", 3, SQLITE_UTF8,
9422 : this, OGRGeoPackageRegisterGeometryExtension,
9423 : nullptr, nullptr);
9424 :
9425 2224 : if (OGRGeometryFactory::haveGEOS())
9426 : {
9427 2224 : sqlite3_create_function(hDB, "ST_MakeValid", 1, UTF8_INNOCUOUS, nullptr,
9428 : OGRGeoPackageSTMakeValid, nullptr, nullptr);
9429 : }
9430 :
9431 2224 : sqlite3_create_function(hDB, "ST_Length", 1, UTF8_INNOCUOUS, nullptr,
9432 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9433 : nullptr);
9434 2224 : sqlite3_create_function(hDB, "ST_Length", 2, UTF8_INNOCUOUS, this,
9435 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9436 : nullptr);
9437 :
9438 2224 : sqlite3_create_function(hDB, "ST_Area", 1, UTF8_INNOCUOUS, nullptr,
9439 : OGRGeoPackageSTArea, nullptr, nullptr);
9440 2224 : sqlite3_create_function(hDB, "ST_Area", 2, UTF8_INNOCUOUS, this,
9441 : OGRGeoPackageGeodesicArea, nullptr, nullptr);
9442 :
9443 : // Debug functions
9444 2224 : if (CPLTestBool(CPLGetConfigOption("GPKG_DEBUG", "FALSE")))
9445 : {
9446 422 : sqlite3_create_function(hDB, "GDAL_GetMimeType", 1,
9447 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9448 : GPKG_GDAL_GetMimeType, nullptr, nullptr);
9449 422 : sqlite3_create_function(hDB, "GDAL_GetBandCount", 1,
9450 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9451 : GPKG_GDAL_GetBandCount, nullptr, nullptr);
9452 422 : sqlite3_create_function(hDB, "GDAL_HasColorTable", 1,
9453 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9454 : GPKG_GDAL_HasColorTable, nullptr, nullptr);
9455 : }
9456 :
9457 2224 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 5, SQLITE_UTF8,
9458 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9459 : nullptr);
9460 2224 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 6, SQLITE_UTF8,
9461 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9462 : nullptr);
9463 :
9464 : // Function from VirtualOGR
9465 2224 : sqlite3_create_function(hDB, "ogr_layer_Extent", 1, SQLITE_UTF8, this,
9466 : GPKG_ogr_layer_Extent, nullptr, nullptr);
9467 :
9468 2224 : m_pSQLFunctionData = OGRSQLiteRegisterSQLFunctionsCommon(hDB);
9469 2224 : }
9470 :
9471 : /************************************************************************/
9472 : /* OpenOrCreateDB() */
9473 : /************************************************************************/
9474 :
9475 2228 : bool GDALGeoPackageDataset::OpenOrCreateDB(int flags)
9476 : {
9477 2228 : const bool bSuccess = OGRSQLiteBaseDataSource::OpenOrCreateDB(
9478 : flags, /*bRegisterOGR2SQLiteExtensions=*/false,
9479 : /*bLoadExtensions=*/true);
9480 2228 : if (!bSuccess)
9481 9 : return false;
9482 :
9483 : // Turning on recursive_triggers is needed so that DELETE triggers fire
9484 : // in a INSERT OR REPLACE statement. In particular this is needed to
9485 : // make sure gpkg_ogr_contents.feature_count is properly updated.
9486 2219 : SQLCommand(hDB, "PRAGMA recursive_triggers = 1");
9487 :
9488 2219 : InstallSQLFunctions();
9489 :
9490 : const char *pszSqlitePragma =
9491 2219 : CPLGetConfigOption("OGR_SQLITE_PRAGMA", nullptr);
9492 2219 : OGRErr eErr = OGRERR_NONE;
9493 6 : if ((!pszSqlitePragma || !strstr(pszSqlitePragma, "trusted_schema")) &&
9494 : // Older sqlite versions don't have this pragma
9495 4444 : SQLGetInteger(hDB, "PRAGMA trusted_schema", &eErr) == 0 &&
9496 2219 : eErr == OGRERR_NONE)
9497 : {
9498 2219 : bool bNeedsTrustedSchema = false;
9499 :
9500 : // Current SQLite versions require PRAGMA trusted_schema = 1 to be
9501 : // able to use the RTree from triggers, which is only needed when
9502 : // modifying the RTree.
9503 5449 : if (((flags & SQLITE_OPEN_READWRITE) != 0 ||
9504 3427 : (flags & SQLITE_OPEN_CREATE) != 0) &&
9505 1208 : OGRSQLiteRTreeRequiresTrustedSchemaOn())
9506 : {
9507 1208 : bNeedsTrustedSchema = true;
9508 : }
9509 :
9510 : #ifdef HAVE_SPATIALITE
9511 : // Spatialite <= 5.1.0 doesn't declare its functions as SQLITE_INNOCUOUS
9512 1011 : if (!bNeedsTrustedSchema && HasExtensionsTable() &&
9513 921 : SQLGetInteger(
9514 : hDB,
9515 : "SELECT 1 FROM gpkg_extensions WHERE "
9516 : "extension_name ='gdal_spatialite_computed_geom_column'",
9517 1 : nullptr) == 1 &&
9518 3230 : SpatialiteRequiresTrustedSchemaOn() && AreSpatialiteTriggersSafe())
9519 : {
9520 1 : bNeedsTrustedSchema = true;
9521 : }
9522 : #endif
9523 :
9524 2219 : if (bNeedsTrustedSchema)
9525 : {
9526 1209 : CPLDebug("GPKG", "Setting PRAGMA trusted_schema = 1");
9527 1209 : SQLCommand(hDB, "PRAGMA trusted_schema = 1");
9528 : }
9529 : }
9530 :
9531 : const char *pszPreludeStatements =
9532 2219 : CSLFetchNameValue(papszOpenOptions, "PRELUDE_STATEMENTS");
9533 2219 : if (pszPreludeStatements)
9534 : {
9535 2 : if (SQLCommand(hDB, pszPreludeStatements) != OGRERR_NONE)
9536 0 : return false;
9537 : }
9538 :
9539 2219 : return true;
9540 : }
9541 :
9542 : /************************************************************************/
9543 : /* GetLayerWithGetSpatialWhereByName() */
9544 : /************************************************************************/
9545 :
9546 : std::pair<OGRLayer *, IOGRSQLiteGetSpatialWhere *>
9547 90 : GDALGeoPackageDataset::GetLayerWithGetSpatialWhereByName(const char *pszName)
9548 : {
9549 : OGRGeoPackageLayer *poRet =
9550 90 : cpl::down_cast<OGRGeoPackageLayer *>(GetLayerByName(pszName));
9551 90 : return std::pair(poRet, poRet);
9552 : }
9553 :
9554 : /************************************************************************/
9555 : /* CommitTransaction() */
9556 : /************************************************************************/
9557 :
9558 321 : OGRErr GDALGeoPackageDataset::CommitTransaction()
9559 :
9560 : {
9561 321 : if (m_nSoftTransactionLevel == 1)
9562 : {
9563 315 : FlushMetadata();
9564 681 : for (auto &poLayer : m_apoLayers)
9565 : {
9566 366 : poLayer->DoJobAtTransactionCommit();
9567 : }
9568 : }
9569 :
9570 321 : return OGRSQLiteBaseDataSource::CommitTransaction();
9571 : }
9572 :
9573 : /************************************************************************/
9574 : /* RollbackTransaction() */
9575 : /************************************************************************/
9576 :
9577 35 : OGRErr GDALGeoPackageDataset::RollbackTransaction()
9578 :
9579 : {
9580 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9581 70 : std::vector<bool> abAddTriggers;
9582 35 : std::vector<bool> abTriggersDeletedInTransaction;
9583 : #endif
9584 35 : if (m_nSoftTransactionLevel == 1)
9585 : {
9586 34 : FlushMetadata();
9587 70 : for (auto &poLayer : m_apoLayers)
9588 : {
9589 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9590 36 : abAddTriggers.push_back(poLayer->GetAddOGRFeatureCountTriggers());
9591 36 : abTriggersDeletedInTransaction.push_back(
9592 36 : poLayer->GetOGRFeatureCountTriggersDeletedInTransaction());
9593 36 : poLayer->SetAddOGRFeatureCountTriggers(false);
9594 : #endif
9595 36 : poLayer->DoJobAtTransactionRollback();
9596 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9597 36 : poLayer->DisableFeatureCount();
9598 : #endif
9599 : }
9600 : }
9601 :
9602 35 : const OGRErr eErr = OGRSQLiteBaseDataSource::RollbackTransaction();
9603 :
9604 : #ifdef ENABLE_GPKG_OGR_CONTENTS
9605 35 : if (!abAddTriggers.empty())
9606 : {
9607 68 : for (size_t i = 0; i < m_apoLayers.size(); ++i)
9608 : {
9609 36 : auto &poLayer = m_apoLayers[i];
9610 36 : if (abTriggersDeletedInTransaction[i])
9611 : {
9612 7 : poLayer->SetOGRFeatureCountTriggersEnabled(true);
9613 : }
9614 : else
9615 : {
9616 29 : poLayer->SetAddOGRFeatureCountTriggers(abAddTriggers[i]);
9617 : }
9618 : }
9619 : }
9620 : #endif
9621 70 : return eErr;
9622 : }
9623 :
9624 : /************************************************************************/
9625 : /* GetGeometryTypeString() */
9626 : /************************************************************************/
9627 :
9628 : const char *
9629 1569 : GDALGeoPackageDataset::GetGeometryTypeString(OGRwkbGeometryType eType)
9630 : {
9631 1569 : const char *pszGPKGGeomType = OGRToOGCGeomType(eType);
9632 1581 : if (EQUAL(pszGPKGGeomType, "GEOMETRYCOLLECTION") &&
9633 12 : CPLTestBool(CPLGetConfigOption("OGR_GPKG_GEOMCOLLECTION", "NO")))
9634 : {
9635 0 : pszGPKGGeomType = "GEOMCOLLECTION";
9636 : }
9637 1569 : return pszGPKGGeomType;
9638 : }
9639 :
9640 : /************************************************************************/
9641 : /* GetFieldDomainNames() */
9642 : /************************************************************************/
9643 :
9644 : std::vector<std::string>
9645 13 : GDALGeoPackageDataset::GetFieldDomainNames(CSLConstList) const
9646 : {
9647 13 : if (!HasDataColumnConstraintsTable())
9648 4 : return std::vector<std::string>();
9649 :
9650 18 : std::vector<std::string> oDomainNamesList;
9651 :
9652 9 : std::unique_ptr<SQLResult> oResultTable;
9653 : {
9654 : std::string osSQL =
9655 : "SELECT DISTINCT constraint_name "
9656 : "FROM gpkg_data_column_constraints "
9657 : "WHERE constraint_name NOT LIKE '_%_domain_description' "
9658 : "ORDER BY constraint_name "
9659 9 : "LIMIT 10000" // to avoid denial of service
9660 : ;
9661 9 : oResultTable = SQLQuery(hDB, osSQL.c_str());
9662 9 : if (!oResultTable)
9663 0 : return oDomainNamesList;
9664 : }
9665 :
9666 9 : if (oResultTable->RowCount() == 10000)
9667 : {
9668 0 : CPLError(CE_Warning, CPLE_AppDefined,
9669 : "Number of rows returned for field domain names has been "
9670 : "truncated.");
9671 : }
9672 9 : else if (oResultTable->RowCount() > 0)
9673 : {
9674 8 : oDomainNamesList.reserve(oResultTable->RowCount());
9675 105 : for (int i = 0; i < oResultTable->RowCount(); i++)
9676 : {
9677 97 : const char *pszConstraintName = oResultTable->GetValue(0, i);
9678 97 : if (!pszConstraintName)
9679 0 : continue;
9680 :
9681 97 : oDomainNamesList.emplace_back(pszConstraintName);
9682 : }
9683 : }
9684 :
9685 9 : return oDomainNamesList;
9686 : }
9687 :
9688 : /************************************************************************/
9689 : /* GetFieldDomain() */
9690 : /************************************************************************/
9691 :
9692 : const OGRFieldDomain *
9693 138 : GDALGeoPackageDataset::GetFieldDomain(const std::string &name) const
9694 : {
9695 138 : const auto baseRet = GDALDataset::GetFieldDomain(name);
9696 138 : if (baseRet)
9697 43 : return baseRet;
9698 :
9699 95 : if (!HasDataColumnConstraintsTable())
9700 4 : return nullptr;
9701 :
9702 91 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
9703 91 : const char *min_is_inclusive =
9704 91 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
9705 91 : const char *max_is_inclusive =
9706 91 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
9707 :
9708 91 : std::unique_ptr<SQLResult> oResultTable;
9709 : // Note: for coded domains, we use a little trick by using a dummy
9710 : // _{domainname}_domain_description enum that has a single entry whose
9711 : // description is the description of the main domain.
9712 : {
9713 91 : char *pszSQL = sqlite3_mprintf(
9714 : "SELECT constraint_type, value, min, %s, "
9715 : "max, %s, description, constraint_name "
9716 : "FROM gpkg_data_column_constraints "
9717 : "WHERE constraint_name IN ('%q', "
9718 : "'_%q_domain_description') "
9719 : "AND length(constraint_type) < 100 " // to
9720 : // avoid
9721 : // denial
9722 : // of
9723 : // service
9724 : "AND (value IS NULL OR length(value) < "
9725 : "10000) " // to avoid denial
9726 : // of service
9727 : "AND (description IS NULL OR "
9728 : "length(description) < 10000) " // to
9729 : // avoid
9730 : // denial
9731 : // of
9732 : // service
9733 : "ORDER BY value "
9734 : "LIMIT 10000", // to avoid denial of
9735 : // service
9736 : min_is_inclusive, max_is_inclusive, name.c_str(), name.c_str());
9737 91 : oResultTable = SQLQuery(hDB, pszSQL);
9738 91 : sqlite3_free(pszSQL);
9739 91 : if (!oResultTable)
9740 0 : return nullptr;
9741 : }
9742 91 : if (oResultTable->RowCount() == 0)
9743 : {
9744 33 : return nullptr;
9745 : }
9746 58 : if (oResultTable->RowCount() == 10000)
9747 : {
9748 0 : CPLError(CE_Warning, CPLE_AppDefined,
9749 : "Number of rows returned for field domain %s has been "
9750 : "truncated.",
9751 : name.c_str());
9752 : }
9753 :
9754 : // Try to find the field domain data type from fields that implement it
9755 58 : int nFieldType = -1;
9756 58 : OGRFieldSubType eSubType = OFSTNone;
9757 58 : if (HasDataColumnsTable())
9758 : {
9759 53 : char *pszSQL = sqlite3_mprintf(
9760 : "SELECT table_name, column_name FROM gpkg_data_columns WHERE "
9761 : "constraint_name = '%q' LIMIT 10",
9762 : name.c_str());
9763 106 : auto oResultTable2 = SQLQuery(hDB, pszSQL);
9764 53 : sqlite3_free(pszSQL);
9765 53 : if (oResultTable2 && oResultTable2->RowCount() >= 1)
9766 : {
9767 58 : for (int iRecord = 0; iRecord < oResultTable2->RowCount();
9768 : iRecord++)
9769 : {
9770 29 : const char *pszTableName = oResultTable2->GetValue(0, iRecord);
9771 29 : const char *pszColumnName = oResultTable2->GetValue(1, iRecord);
9772 29 : if (pszTableName == nullptr || pszColumnName == nullptr)
9773 0 : continue;
9774 : OGRLayer *poLayer =
9775 58 : const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
9776 29 : pszTableName);
9777 29 : if (poLayer)
9778 : {
9779 29 : const auto poFDefn = poLayer->GetLayerDefn();
9780 29 : int nIdx = poFDefn->GetFieldIndex(pszColumnName);
9781 29 : if (nIdx >= 0)
9782 : {
9783 29 : const auto poFieldDefn = poFDefn->GetFieldDefn(nIdx);
9784 29 : const auto eType = poFieldDefn->GetType();
9785 29 : if (nFieldType < 0)
9786 : {
9787 29 : nFieldType = eType;
9788 29 : eSubType = poFieldDefn->GetSubType();
9789 : }
9790 0 : else if ((eType == OFTInteger64 || eType == OFTReal) &&
9791 : nFieldType == OFTInteger)
9792 : {
9793 : // ok
9794 : }
9795 0 : else if (eType == OFTInteger &&
9796 0 : (nFieldType == OFTInteger64 ||
9797 : nFieldType == OFTReal))
9798 : {
9799 0 : nFieldType = OFTInteger;
9800 0 : eSubType = OFSTNone;
9801 : }
9802 0 : else if (nFieldType != eType)
9803 : {
9804 0 : nFieldType = -1;
9805 0 : eSubType = OFSTNone;
9806 0 : break;
9807 : }
9808 : }
9809 : }
9810 : }
9811 : }
9812 : }
9813 :
9814 58 : std::unique_ptr<OGRFieldDomain> poDomain;
9815 116 : std::vector<OGRCodedValue> asValues;
9816 58 : bool error = false;
9817 116 : CPLString osLastConstraintType;
9818 58 : int nFieldTypeFromEnumCode = -1;
9819 116 : std::string osConstraintDescription;
9820 116 : std::string osDescrConstraintName("_");
9821 58 : osDescrConstraintName += name;
9822 58 : osDescrConstraintName += "_domain_description";
9823 145 : for (int iRecord = 0; iRecord < oResultTable->RowCount(); iRecord++)
9824 : {
9825 91 : const char *pszConstraintType = oResultTable->GetValue(0, iRecord);
9826 91 : if (pszConstraintType == nullptr)
9827 2 : continue;
9828 91 : const char *pszValue = oResultTable->GetValue(1, iRecord);
9829 91 : const char *pszMin = oResultTable->GetValue(2, iRecord);
9830 : const bool bIsMinIncluded =
9831 91 : oResultTable->GetValueAsInteger(3, iRecord) == 1;
9832 91 : const char *pszMax = oResultTable->GetValue(4, iRecord);
9833 : const bool bIsMaxIncluded =
9834 91 : oResultTable->GetValueAsInteger(5, iRecord) == 1;
9835 91 : const char *pszDescription = oResultTable->GetValue(6, iRecord);
9836 91 : const char *pszConstraintName = oResultTable->GetValue(7, iRecord);
9837 :
9838 91 : if (!osLastConstraintType.empty() && osLastConstraintType != "enum")
9839 : {
9840 1 : CPLError(CE_Failure, CPLE_AppDefined,
9841 : "Only constraint of type 'enum' can have multiple rows");
9842 1 : error = true;
9843 4 : break;
9844 : }
9845 :
9846 90 : if (strcmp(pszConstraintType, "enum") == 0)
9847 : {
9848 63 : if (pszValue == nullptr)
9849 : {
9850 1 : CPLError(CE_Failure, CPLE_AppDefined,
9851 : "NULL in 'value' column of enumeration");
9852 1 : error = true;
9853 1 : break;
9854 : }
9855 62 : if (osDescrConstraintName == pszConstraintName)
9856 : {
9857 2 : if (pszDescription)
9858 : {
9859 2 : osConstraintDescription = pszDescription;
9860 : }
9861 2 : continue;
9862 : }
9863 60 : if (asValues.empty())
9864 : {
9865 30 : asValues.reserve(oResultTable->RowCount() + 1);
9866 : }
9867 : OGRCodedValue cv;
9868 : // intended: the 'value' column in GPKG is actually the code
9869 60 : cv.pszCode = VSI_STRDUP_VERBOSE(pszValue);
9870 60 : if (cv.pszCode == nullptr)
9871 : {
9872 0 : error = true;
9873 0 : break;
9874 : }
9875 60 : if (pszDescription)
9876 : {
9877 48 : cv.pszValue = VSI_STRDUP_VERBOSE(pszDescription);
9878 48 : if (cv.pszValue == nullptr)
9879 : {
9880 0 : VSIFree(cv.pszCode);
9881 0 : error = true;
9882 0 : break;
9883 : }
9884 : }
9885 : else
9886 : {
9887 12 : cv.pszValue = nullptr;
9888 : }
9889 :
9890 : // If we can't get the data type from field definition, guess it
9891 : // from code.
9892 60 : if (nFieldType < 0 && nFieldTypeFromEnumCode != OFTString)
9893 : {
9894 36 : switch (CPLGetValueType(cv.pszCode))
9895 : {
9896 26 : case CPL_VALUE_INTEGER:
9897 : {
9898 26 : if (nFieldTypeFromEnumCode != OFTReal &&
9899 : nFieldTypeFromEnumCode != OFTInteger64)
9900 : {
9901 18 : const auto nVal = CPLAtoGIntBig(cv.pszCode);
9902 34 : if (nVal < std::numeric_limits<int>::min() ||
9903 16 : nVal > std::numeric_limits<int>::max())
9904 : {
9905 6 : nFieldTypeFromEnumCode = OFTInteger64;
9906 : }
9907 : else
9908 : {
9909 12 : nFieldTypeFromEnumCode = OFTInteger;
9910 : }
9911 : }
9912 26 : break;
9913 : }
9914 :
9915 6 : case CPL_VALUE_REAL:
9916 6 : nFieldTypeFromEnumCode = OFTReal;
9917 6 : break;
9918 :
9919 4 : case CPL_VALUE_STRING:
9920 4 : nFieldTypeFromEnumCode = OFTString;
9921 4 : break;
9922 : }
9923 : }
9924 :
9925 60 : asValues.emplace_back(cv);
9926 : }
9927 27 : else if (strcmp(pszConstraintType, "range") == 0)
9928 : {
9929 : OGRField sMin;
9930 : OGRField sMax;
9931 20 : OGR_RawField_SetUnset(&sMin);
9932 20 : OGR_RawField_SetUnset(&sMax);
9933 20 : if (nFieldType != OFTInteger && nFieldType != OFTInteger64)
9934 11 : nFieldType = OFTReal;
9935 39 : if (pszMin != nullptr &&
9936 19 : CPLAtof(pszMin) != -std::numeric_limits<double>::infinity())
9937 : {
9938 15 : if (nFieldType == OFTInteger)
9939 6 : sMin.Integer = atoi(pszMin);
9940 9 : else if (nFieldType == OFTInteger64)
9941 3 : sMin.Integer64 = CPLAtoGIntBig(pszMin);
9942 : else /* if( nFieldType == OFTReal ) */
9943 6 : sMin.Real = CPLAtof(pszMin);
9944 : }
9945 39 : if (pszMax != nullptr &&
9946 19 : CPLAtof(pszMax) != std::numeric_limits<double>::infinity())
9947 : {
9948 15 : if (nFieldType == OFTInteger)
9949 6 : sMax.Integer = atoi(pszMax);
9950 9 : else if (nFieldType == OFTInteger64)
9951 3 : sMax.Integer64 = CPLAtoGIntBig(pszMax);
9952 : else /* if( nFieldType == OFTReal ) */
9953 6 : sMax.Real = CPLAtof(pszMax);
9954 : }
9955 20 : poDomain = std::make_unique<OGRRangeFieldDomain>(
9956 20 : name, pszDescription ? pszDescription : "",
9957 40 : static_cast<OGRFieldType>(nFieldType), eSubType, sMin,
9958 20 : bIsMinIncluded, sMax, bIsMaxIncluded);
9959 : }
9960 7 : else if (strcmp(pszConstraintType, "glob") == 0)
9961 : {
9962 6 : if (pszValue == nullptr)
9963 : {
9964 1 : CPLError(CE_Failure, CPLE_AppDefined,
9965 : "NULL in 'value' column of glob");
9966 1 : error = true;
9967 1 : break;
9968 : }
9969 5 : if (nFieldType < 0)
9970 1 : nFieldType = OFTString;
9971 5 : poDomain = std::make_unique<OGRGlobFieldDomain>(
9972 5 : name, pszDescription ? pszDescription : "",
9973 15 : static_cast<OGRFieldType>(nFieldType), eSubType, pszValue);
9974 : }
9975 : else
9976 : {
9977 1 : CPLError(CE_Failure, CPLE_AppDefined,
9978 : "Unhandled constraint_type: %s", pszConstraintType);
9979 1 : error = true;
9980 1 : break;
9981 : }
9982 :
9983 85 : osLastConstraintType = pszConstraintType;
9984 : }
9985 :
9986 58 : if (!asValues.empty())
9987 : {
9988 30 : if (nFieldType < 0)
9989 18 : nFieldType = nFieldTypeFromEnumCode;
9990 30 : poDomain = std::make_unique<OGRCodedFieldDomain>(
9991 : name, osConstraintDescription,
9992 60 : static_cast<OGRFieldType>(nFieldType), eSubType,
9993 60 : std::move(asValues));
9994 : }
9995 :
9996 58 : if (error)
9997 : {
9998 4 : return nullptr;
9999 : }
10000 :
10001 54 : m_oMapFieldDomains[name] = std::move(poDomain);
10002 54 : return GDALDataset::GetFieldDomain(name);
10003 : }
10004 :
10005 : /************************************************************************/
10006 : /* AddFieldDomain() */
10007 : /************************************************************************/
10008 :
10009 19 : bool GDALGeoPackageDataset::AddFieldDomain(
10010 : std::unique_ptr<OGRFieldDomain> &&domain, std::string &failureReason)
10011 : {
10012 38 : const std::string domainName(domain->GetName());
10013 19 : if (!GetUpdate())
10014 : {
10015 0 : CPLError(CE_Failure, CPLE_NotSupported,
10016 : "AddFieldDomain() not supported on read-only dataset");
10017 0 : return false;
10018 : }
10019 19 : if (GetFieldDomain(domainName) != nullptr)
10020 : {
10021 1 : failureReason = "A domain of identical name already exists";
10022 1 : return false;
10023 : }
10024 18 : if (!CreateColumnsTableAndColumnConstraintsTablesIfNecessary())
10025 0 : return false;
10026 :
10027 18 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
10028 18 : const char *min_is_inclusive =
10029 18 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
10030 18 : const char *max_is_inclusive =
10031 18 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
10032 :
10033 18 : const auto &osDescription = domain->GetDescription();
10034 18 : switch (domain->GetDomainType())
10035 : {
10036 11 : case OFDT_CODED:
10037 : {
10038 : const auto poCodedDomain =
10039 11 : cpl::down_cast<const OGRCodedFieldDomain *>(domain.get());
10040 11 : if (!osDescription.empty())
10041 : {
10042 : // We use a little trick by using a dummy
10043 : // _{domainname}_domain_description enum that has a single
10044 : // entry whose description is the description of the main
10045 : // domain.
10046 1 : char *pszSQL = sqlite3_mprintf(
10047 : "INSERT INTO gpkg_data_column_constraints ("
10048 : "constraint_name, constraint_type, value, "
10049 : "min, %s, max, %s, "
10050 : "description) VALUES ("
10051 : "'_%q_domain_description', 'enum', '', NULL, NULL, NULL, "
10052 : "NULL, %Q)",
10053 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10054 : osDescription.c_str());
10055 1 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
10056 1 : sqlite3_free(pszSQL);
10057 : }
10058 11 : const auto &enumeration = poCodedDomain->GetEnumeration();
10059 33 : for (int i = 0; enumeration[i].pszCode != nullptr; ++i)
10060 : {
10061 22 : char *pszSQL = sqlite3_mprintf(
10062 : "INSERT INTO gpkg_data_column_constraints ("
10063 : "constraint_name, constraint_type, value, "
10064 : "min, %s, max, %s, "
10065 : "description) VALUES ("
10066 : "'%q', 'enum', '%q', NULL, NULL, NULL, NULL, %Q)",
10067 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10068 22 : enumeration[i].pszCode, enumeration[i].pszValue);
10069 22 : bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10070 22 : sqlite3_free(pszSQL);
10071 22 : if (!ok)
10072 0 : return false;
10073 : }
10074 11 : break;
10075 : }
10076 :
10077 6 : case OFDT_RANGE:
10078 : {
10079 : const auto poRangeDomain =
10080 6 : cpl::down_cast<const OGRRangeFieldDomain *>(domain.get());
10081 6 : const auto eFieldType = poRangeDomain->GetFieldType();
10082 6 : if (eFieldType != OFTInteger && eFieldType != OFTInteger64 &&
10083 : eFieldType != OFTReal)
10084 : {
10085 : failureReason = "Only range domains of numeric type are "
10086 0 : "supported in GeoPackage";
10087 0 : return false;
10088 : }
10089 :
10090 6 : double dfMin = -std::numeric_limits<double>::infinity();
10091 6 : double dfMax = std::numeric_limits<double>::infinity();
10092 6 : bool bMinIsInclusive = true;
10093 6 : const auto &sMin = poRangeDomain->GetMin(bMinIsInclusive);
10094 6 : bool bMaxIsInclusive = true;
10095 6 : const auto &sMax = poRangeDomain->GetMax(bMaxIsInclusive);
10096 6 : if (eFieldType == OFTInteger)
10097 : {
10098 2 : if (!OGR_RawField_IsUnset(&sMin))
10099 2 : dfMin = sMin.Integer;
10100 2 : if (!OGR_RawField_IsUnset(&sMax))
10101 2 : dfMax = sMax.Integer;
10102 : }
10103 4 : else if (eFieldType == OFTInteger64)
10104 : {
10105 1 : if (!OGR_RawField_IsUnset(&sMin))
10106 1 : dfMin = static_cast<double>(sMin.Integer64);
10107 1 : if (!OGR_RawField_IsUnset(&sMax))
10108 1 : dfMax = static_cast<double>(sMax.Integer64);
10109 : }
10110 : else /* if( eFieldType == OFTReal ) */
10111 : {
10112 3 : if (!OGR_RawField_IsUnset(&sMin))
10113 3 : dfMin = sMin.Real;
10114 3 : if (!OGR_RawField_IsUnset(&sMax))
10115 3 : dfMax = sMax.Real;
10116 : }
10117 :
10118 6 : sqlite3_stmt *hInsertStmt = nullptr;
10119 : const char *pszSQL =
10120 6 : CPLSPrintf("INSERT INTO gpkg_data_column_constraints ("
10121 : "constraint_name, constraint_type, value, "
10122 : "min, %s, max, %s, "
10123 : "description) VALUES ("
10124 : "?, 'range', NULL, ?, ?, ?, ?, ?)",
10125 : min_is_inclusive, max_is_inclusive);
10126 6 : if (SQLPrepareWithError(hDB, pszSQL, -1, &hInsertStmt, nullptr) !=
10127 : SQLITE_OK)
10128 : {
10129 0 : return false;
10130 : }
10131 6 : sqlite3_bind_text(hInsertStmt, 1, domainName.c_str(),
10132 6 : static_cast<int>(domainName.size()),
10133 : SQLITE_TRANSIENT);
10134 6 : sqlite3_bind_double(hInsertStmt, 2, dfMin);
10135 6 : sqlite3_bind_int(hInsertStmt, 3, bMinIsInclusive ? 1 : 0);
10136 6 : sqlite3_bind_double(hInsertStmt, 4, dfMax);
10137 6 : sqlite3_bind_int(hInsertStmt, 5, bMaxIsInclusive ? 1 : 0);
10138 6 : if (osDescription.empty())
10139 : {
10140 3 : sqlite3_bind_null(hInsertStmt, 6);
10141 : }
10142 : else
10143 : {
10144 3 : sqlite3_bind_text(hInsertStmt, 6, osDescription.c_str(),
10145 3 : static_cast<int>(osDescription.size()),
10146 : SQLITE_TRANSIENT);
10147 : }
10148 6 : const int sqlite_err = sqlite3_step(hInsertStmt);
10149 6 : sqlite3_finalize(hInsertStmt);
10150 6 : if (sqlite_err != SQLITE_OK && sqlite_err != SQLITE_DONE)
10151 : {
10152 0 : CPLError(CE_Failure, CPLE_AppDefined,
10153 : "failed to execute insertion '%s': %s", pszSQL,
10154 : sqlite3_errmsg(hDB));
10155 0 : return false;
10156 : }
10157 :
10158 6 : break;
10159 : }
10160 :
10161 1 : case OFDT_GLOB:
10162 : {
10163 : const auto poGlobDomain =
10164 1 : cpl::down_cast<const OGRGlobFieldDomain *>(domain.get());
10165 2 : char *pszSQL = sqlite3_mprintf(
10166 : "INSERT INTO gpkg_data_column_constraints ("
10167 : "constraint_name, constraint_type, value, "
10168 : "min, %s, max, %s, "
10169 : "description) VALUES ("
10170 : "'%q', 'glob', '%q', NULL, NULL, NULL, NULL, %Q)",
10171 : min_is_inclusive, max_is_inclusive, domainName.c_str(),
10172 1 : poGlobDomain->GetGlob().c_str(),
10173 2 : osDescription.empty() ? nullptr : osDescription.c_str());
10174 1 : bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10175 1 : sqlite3_free(pszSQL);
10176 1 : if (!ok)
10177 0 : return false;
10178 :
10179 1 : break;
10180 : }
10181 : }
10182 :
10183 18 : m_oMapFieldDomains[domainName] = std::move(domain);
10184 18 : return true;
10185 : }
10186 :
10187 : /************************************************************************/
10188 : /* UpdateFieldDomain() */
10189 : /************************************************************************/
10190 :
10191 3 : bool GDALGeoPackageDataset::UpdateFieldDomain(
10192 : std::unique_ptr<OGRFieldDomain> &&domain, std::string &failureReason)
10193 : {
10194 6 : const std::string domainName(domain->GetName());
10195 3 : if (eAccess != GA_Update)
10196 : {
10197 1 : CPLError(CE_Failure, CPLE_NotSupported,
10198 : "UpdateFieldDomain() not supported on read-only dataset");
10199 1 : return false;
10200 : }
10201 :
10202 2 : if (GetFieldDomain(domainName) == nullptr)
10203 : {
10204 1 : failureReason = "The domain should already exist to be updated";
10205 1 : return false;
10206 : }
10207 :
10208 1 : bool bRet = SoftStartTransaction() == OGRERR_NONE;
10209 1 : if (bRet)
10210 : {
10211 2 : bRet = DeleteFieldDomain(domainName, failureReason) &&
10212 1 : AddFieldDomain(std::move(domain), failureReason);
10213 1 : if (bRet)
10214 1 : bRet = SoftCommitTransaction() == OGRERR_NONE;
10215 : else
10216 0 : SoftRollbackTransaction();
10217 : }
10218 1 : return bRet;
10219 : }
10220 :
10221 : /************************************************************************/
10222 : /* DeleteFieldDomain() */
10223 : /************************************************************************/
10224 :
10225 18 : bool GDALGeoPackageDataset::DeleteFieldDomain(const std::string &name,
10226 : std::string &failureReason)
10227 : {
10228 18 : if (eAccess != GA_Update)
10229 : {
10230 1 : CPLError(CE_Failure, CPLE_NotSupported,
10231 : "DeleteFieldDomain() not supported on read-only dataset");
10232 1 : return false;
10233 : }
10234 17 : if (GetFieldDomain(name) == nullptr)
10235 : {
10236 1 : failureReason = "Domain does not exist";
10237 1 : return false;
10238 : }
10239 :
10240 : char *pszSQL =
10241 16 : sqlite3_mprintf("DELETE FROM gpkg_data_column_constraints WHERE "
10242 : "constraint_name IN ('%q', '_%q_domain_description')",
10243 : name.c_str(), name.c_str());
10244 16 : const bool ok = SQLCommand(hDB, pszSQL) == OGRERR_NONE;
10245 16 : sqlite3_free(pszSQL);
10246 16 : if (ok)
10247 16 : m_oMapFieldDomains.erase(name);
10248 16 : return ok;
10249 : }
10250 :
10251 : /************************************************************************/
10252 : /* AddRelationship() */
10253 : /************************************************************************/
10254 :
10255 24 : bool GDALGeoPackageDataset::AddRelationship(
10256 : std::unique_ptr<GDALRelationship> &&relationship,
10257 : std::string &failureReason)
10258 : {
10259 24 : if (!GetUpdate())
10260 : {
10261 0 : CPLError(CE_Failure, CPLE_NotSupported,
10262 : "AddRelationship() not supported on read-only dataset");
10263 0 : return false;
10264 : }
10265 :
10266 : const std::string osRelationshipName = GenerateNameForRelationship(
10267 24 : relationship->GetLeftTableName().c_str(),
10268 24 : relationship->GetRightTableName().c_str(),
10269 96 : relationship->GetRelatedTableType().c_str());
10270 : // sanity checks
10271 24 : if (GetRelationship(osRelationshipName) != nullptr)
10272 : {
10273 1 : failureReason = "A relationship of identical name already exists";
10274 1 : return false;
10275 : }
10276 :
10277 23 : if (!ValidateRelationship(relationship.get(), failureReason))
10278 : {
10279 14 : return false;
10280 : }
10281 :
10282 9 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
10283 : {
10284 0 : return false;
10285 : }
10286 9 : if (!CreateRelationsTableIfNecessary())
10287 : {
10288 0 : failureReason = "Could not create gpkgext_relations table";
10289 0 : return false;
10290 : }
10291 9 : if (SQLGetInteger(GetDB(),
10292 : "SELECT 1 FROM gpkg_extensions WHERE "
10293 : "table_name = 'gpkgext_relations'",
10294 9 : nullptr) != 1)
10295 : {
10296 4 : if (OGRERR_NONE !=
10297 4 : SQLCommand(
10298 : GetDB(),
10299 : "INSERT INTO gpkg_extensions "
10300 : "(table_name,column_name,extension_name,definition,scope) "
10301 : "VALUES ('gpkgext_relations', NULL, 'gpkg_related_tables', "
10302 : "'http://www.geopackage.org/18-000.html', "
10303 : "'read-write')"))
10304 : {
10305 : failureReason =
10306 0 : "Could not create gpkg_extensions entry for gpkgext_relations";
10307 0 : return false;
10308 : }
10309 : }
10310 :
10311 9 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10312 9 : const std::string &osRightTableName = relationship->GetRightTableName();
10313 9 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10314 9 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10315 :
10316 18 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10317 9 : if (osRelatedTableType.empty())
10318 : {
10319 5 : osRelatedTableType = "features";
10320 : }
10321 :
10322 : // generate mapping table if not set
10323 18 : CPLString osMappingTableName = relationship->GetMappingTableName();
10324 9 : if (osMappingTableName.empty())
10325 : {
10326 3 : int nIndex = 1;
10327 3 : osMappingTableName = osLeftTableName + "_" + osRightTableName;
10328 3 : while (FindLayerIndex(osMappingTableName.c_str()) >= 0)
10329 : {
10330 0 : nIndex += 1;
10331 : osMappingTableName.Printf("%s_%s_%d", osLeftTableName.c_str(),
10332 0 : osRightTableName.c_str(), nIndex);
10333 : }
10334 :
10335 : // determine whether base/related keys are unique
10336 3 : bool bBaseKeyIsUnique = false;
10337 : {
10338 : const std::set<std::string> uniqueBaseFieldsUC =
10339 : SQLGetUniqueFieldUCConstraints(GetDB(),
10340 6 : osLeftTableName.c_str());
10341 6 : if (uniqueBaseFieldsUC.find(
10342 3 : CPLString(aosLeftTableFields[0]).toupper()) !=
10343 6 : uniqueBaseFieldsUC.end())
10344 : {
10345 2 : bBaseKeyIsUnique = true;
10346 : }
10347 : }
10348 3 : bool bRelatedKeyIsUnique = false;
10349 : {
10350 : const std::set<std::string> uniqueRelatedFieldsUC =
10351 : SQLGetUniqueFieldUCConstraints(GetDB(),
10352 6 : osRightTableName.c_str());
10353 6 : if (uniqueRelatedFieldsUC.find(
10354 3 : CPLString(aosRightTableFields[0]).toupper()) !=
10355 6 : uniqueRelatedFieldsUC.end())
10356 : {
10357 2 : bRelatedKeyIsUnique = true;
10358 : }
10359 : }
10360 :
10361 : // create mapping table
10362 :
10363 3 : std::string osBaseIdDefinition = "base_id INTEGER";
10364 3 : if (bBaseKeyIsUnique)
10365 : {
10366 2 : char *pszSQL = sqlite3_mprintf(
10367 : " CONSTRAINT 'fk_base_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10368 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10369 : "DEFERRED",
10370 : osMappingTableName.c_str(), osLeftTableName.c_str(),
10371 2 : aosLeftTableFields[0].c_str());
10372 2 : osBaseIdDefinition += pszSQL;
10373 2 : sqlite3_free(pszSQL);
10374 : }
10375 :
10376 3 : std::string osRelatedIdDefinition = "related_id INTEGER";
10377 3 : if (bRelatedKeyIsUnique)
10378 : {
10379 2 : char *pszSQL = sqlite3_mprintf(
10380 : " CONSTRAINT 'fk_related_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10381 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10382 : "DEFERRED",
10383 : osMappingTableName.c_str(), osRightTableName.c_str(),
10384 2 : aosRightTableFields[0].c_str());
10385 2 : osRelatedIdDefinition += pszSQL;
10386 2 : sqlite3_free(pszSQL);
10387 : }
10388 :
10389 3 : char *pszSQL = sqlite3_mprintf("CREATE TABLE \"%w\" ("
10390 : "id INTEGER PRIMARY KEY AUTOINCREMENT, "
10391 : "%s, %s);",
10392 : osMappingTableName.c_str(),
10393 : osBaseIdDefinition.c_str(),
10394 : osRelatedIdDefinition.c_str());
10395 3 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10396 3 : sqlite3_free(pszSQL);
10397 3 : if (eErr != OGRERR_NONE)
10398 : {
10399 : failureReason =
10400 0 : ("Could not create mapping table " + osMappingTableName)
10401 0 : .c_str();
10402 0 : return false;
10403 : }
10404 :
10405 : /*
10406 : * Strictly speaking we should NOT be inserting the mapping table into gpkg_contents.
10407 : * The related tables extension explicitly states that the mapping table should only be
10408 : * in the gpkgext_relations table and not in gpkg_contents. (See also discussion at
10409 : * https://github.com/opengeospatial/geopackage/issues/679).
10410 : *
10411 : * However, if we don't insert the mapping table into gpkg_contents then it is no longer
10412 : * visible to some clients (eg ESRI software only allows opening tables that are present
10413 : * in gpkg_contents). So we'll do this anyway, for maximum compatibility and flexibility.
10414 : *
10415 : * More related discussion is at https://github.com/OSGeo/gdal/pull/9258
10416 : */
10417 3 : pszSQL = sqlite3_mprintf(
10418 : "INSERT INTO gpkg_contents "
10419 : "(table_name,data_type,identifier,description,last_change,srs_id) "
10420 : "VALUES "
10421 : "('%q','attributes','%q','Mapping table for relationship between "
10422 : "%q and %q',%s,0)",
10423 : osMappingTableName.c_str(), /*table_name*/
10424 : osMappingTableName.c_str(), /*identifier*/
10425 : osLeftTableName.c_str(), /*description left table name*/
10426 : osRightTableName.c_str(), /*description right table name*/
10427 6 : GDALGeoPackageDataset::GetCurrentDateEscapedSQL().c_str());
10428 :
10429 : // Note -- we explicitly ignore failures here, because hey, we aren't really
10430 : // supposed to be adding this table to gpkg_contents anyway!
10431 3 : (void)SQLCommand(hDB, pszSQL);
10432 3 : sqlite3_free(pszSQL);
10433 :
10434 3 : pszSQL = sqlite3_mprintf(
10435 : "CREATE INDEX \"idx_%w_base_id\" ON \"%w\" (base_id);",
10436 : osMappingTableName.c_str(), osMappingTableName.c_str());
10437 3 : eErr = SQLCommand(hDB, pszSQL);
10438 3 : sqlite3_free(pszSQL);
10439 3 : if (eErr != OGRERR_NONE)
10440 : {
10441 0 : failureReason = ("Could not create index for " +
10442 0 : osMappingTableName + " (base_id)")
10443 0 : .c_str();
10444 0 : return false;
10445 : }
10446 :
10447 3 : pszSQL = sqlite3_mprintf(
10448 : "CREATE INDEX \"idx_%qw_related_id\" ON \"%w\" (related_id);",
10449 : osMappingTableName.c_str(), osMappingTableName.c_str());
10450 3 : eErr = SQLCommand(hDB, pszSQL);
10451 3 : sqlite3_free(pszSQL);
10452 3 : if (eErr != OGRERR_NONE)
10453 : {
10454 0 : failureReason = ("Could not create index for " +
10455 0 : osMappingTableName + " (related_id)")
10456 0 : .c_str();
10457 0 : return false;
10458 : }
10459 : }
10460 : else
10461 : {
10462 : // validate mapping table structure
10463 6 : if (OGRGeoPackageTableLayer *poLayer =
10464 6 : cpl::down_cast<OGRGeoPackageTableLayer *>(
10465 6 : GetLayerByName(osMappingTableName)))
10466 : {
10467 4 : if (poLayer->GetLayerDefn()->GetFieldIndex("base_id") < 0)
10468 : {
10469 : failureReason =
10470 2 : ("Field base_id must exist in " + osMappingTableName)
10471 1 : .c_str();
10472 1 : return false;
10473 : }
10474 3 : if (poLayer->GetLayerDefn()->GetFieldIndex("related_id") < 0)
10475 : {
10476 : failureReason =
10477 2 : ("Field related_id must exist in " + osMappingTableName)
10478 1 : .c_str();
10479 1 : return false;
10480 : }
10481 : }
10482 : else
10483 : {
10484 : failureReason =
10485 2 : ("Could not retrieve table " + osMappingTableName).c_str();
10486 2 : return false;
10487 : }
10488 : }
10489 :
10490 5 : char *pszSQL = sqlite3_mprintf(
10491 : "INSERT INTO gpkg_extensions "
10492 : "(table_name,column_name,extension_name,definition,scope) "
10493 : "VALUES ('%q', NULL, 'gpkg_related_tables', "
10494 : "'http://www.geopackage.org/18-000.html', "
10495 : "'read-write')",
10496 : osMappingTableName.c_str());
10497 5 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10498 5 : sqlite3_free(pszSQL);
10499 5 : if (eErr != OGRERR_NONE)
10500 : {
10501 0 : failureReason = ("Could not insert mapping table " +
10502 0 : osMappingTableName + " into gpkg_extensions")
10503 0 : .c_str();
10504 0 : return false;
10505 : }
10506 :
10507 15 : pszSQL = sqlite3_mprintf(
10508 : "INSERT INTO gpkgext_relations "
10509 : "(base_table_name,base_primary_column,related_table_name,related_"
10510 : "primary_column,relation_name,mapping_table_name) "
10511 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10512 5 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10513 5 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10514 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10515 5 : eErr = SQLCommand(hDB, pszSQL);
10516 5 : sqlite3_free(pszSQL);
10517 5 : if (eErr != OGRERR_NONE)
10518 : {
10519 0 : failureReason = "Could not insert relationship into gpkgext_relations";
10520 0 : return false;
10521 : }
10522 :
10523 5 : ClearCachedRelationships();
10524 5 : LoadRelationships();
10525 5 : return true;
10526 : }
10527 :
10528 : /************************************************************************/
10529 : /* DeleteRelationship() */
10530 : /************************************************************************/
10531 :
10532 4 : bool GDALGeoPackageDataset::DeleteRelationship(const std::string &name,
10533 : std::string &failureReason)
10534 : {
10535 4 : if (eAccess != GA_Update)
10536 : {
10537 0 : CPLError(CE_Failure, CPLE_NotSupported,
10538 : "DeleteRelationship() not supported on read-only dataset");
10539 0 : return false;
10540 : }
10541 :
10542 : // ensure relationships are up to date before we try to remove one
10543 4 : ClearCachedRelationships();
10544 4 : LoadRelationships();
10545 :
10546 8 : std::string osMappingTableName;
10547 : {
10548 4 : const GDALRelationship *poRelationship = GetRelationship(name);
10549 4 : if (poRelationship == nullptr)
10550 : {
10551 1 : failureReason = "Could not find relationship with name " + name;
10552 1 : return false;
10553 : }
10554 :
10555 3 : osMappingTableName = poRelationship->GetMappingTableName();
10556 : }
10557 :
10558 : // DeleteLayerCommon will delete existing relationship objects, so we can't
10559 : // refer to poRelationship or any of its members previously obtained here
10560 3 : if (DeleteLayerCommon(osMappingTableName.c_str()) != OGRERR_NONE)
10561 : {
10562 : failureReason =
10563 0 : "Could not remove mapping layer name " + osMappingTableName;
10564 :
10565 : // relationships may have been left in an inconsistent state -- reload
10566 : // them now
10567 0 : ClearCachedRelationships();
10568 0 : LoadRelationships();
10569 0 : return false;
10570 : }
10571 :
10572 3 : ClearCachedRelationships();
10573 3 : LoadRelationships();
10574 3 : return true;
10575 : }
10576 :
10577 : /************************************************************************/
10578 : /* UpdateRelationship() */
10579 : /************************************************************************/
10580 :
10581 6 : bool GDALGeoPackageDataset::UpdateRelationship(
10582 : std::unique_ptr<GDALRelationship> &&relationship,
10583 : std::string &failureReason)
10584 : {
10585 6 : if (eAccess != GA_Update)
10586 : {
10587 0 : CPLError(CE_Failure, CPLE_NotSupported,
10588 : "UpdateRelationship() not supported on read-only dataset");
10589 0 : return false;
10590 : }
10591 :
10592 : // ensure relationships are up to date before we try to update one
10593 6 : ClearCachedRelationships();
10594 6 : LoadRelationships();
10595 :
10596 6 : const std::string &osRelationshipName = relationship->GetName();
10597 6 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10598 6 : const std::string &osRightTableName = relationship->GetRightTableName();
10599 6 : const std::string &osMappingTableName = relationship->GetMappingTableName();
10600 6 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10601 6 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10602 :
10603 : // sanity checks
10604 : {
10605 : const GDALRelationship *poExistingRelationship =
10606 6 : GetRelationship(osRelationshipName);
10607 6 : if (poExistingRelationship == nullptr)
10608 : {
10609 : failureReason =
10610 1 : "The relationship should already exist to be updated";
10611 1 : return false;
10612 : }
10613 :
10614 5 : if (!ValidateRelationship(relationship.get(), failureReason))
10615 : {
10616 2 : return false;
10617 : }
10618 :
10619 : // we don't permit changes to the participating tables
10620 3 : if (osLeftTableName != poExistingRelationship->GetLeftTableName())
10621 : {
10622 0 : failureReason = ("Cannot change base table from " +
10623 0 : poExistingRelationship->GetLeftTableName() +
10624 0 : " to " + osLeftTableName)
10625 0 : .c_str();
10626 0 : return false;
10627 : }
10628 3 : if (osRightTableName != poExistingRelationship->GetRightTableName())
10629 : {
10630 0 : failureReason = ("Cannot change related table from " +
10631 0 : poExistingRelationship->GetRightTableName() +
10632 0 : " to " + osRightTableName)
10633 0 : .c_str();
10634 0 : return false;
10635 : }
10636 3 : if (osMappingTableName != poExistingRelationship->GetMappingTableName())
10637 : {
10638 0 : failureReason = ("Cannot change mapping table from " +
10639 0 : poExistingRelationship->GetMappingTableName() +
10640 0 : " to " + osMappingTableName)
10641 0 : .c_str();
10642 0 : return false;
10643 : }
10644 : }
10645 :
10646 6 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10647 3 : if (osRelatedTableType.empty())
10648 : {
10649 0 : osRelatedTableType = "features";
10650 : }
10651 :
10652 3 : char *pszSQL = sqlite3_mprintf(
10653 : "DELETE FROM gpkgext_relations WHERE mapping_table_name='%q'",
10654 : osMappingTableName.c_str());
10655 3 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10656 3 : sqlite3_free(pszSQL);
10657 3 : if (eErr != OGRERR_NONE)
10658 : {
10659 : failureReason =
10660 0 : "Could not delete old relationship from gpkgext_relations";
10661 0 : return false;
10662 : }
10663 :
10664 9 : pszSQL = sqlite3_mprintf(
10665 : "INSERT INTO gpkgext_relations "
10666 : "(base_table_name,base_primary_column,related_table_name,related_"
10667 : "primary_column,relation_name,mapping_table_name) "
10668 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10669 3 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10670 3 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10671 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10672 3 : eErr = SQLCommand(hDB, pszSQL);
10673 3 : sqlite3_free(pszSQL);
10674 3 : if (eErr != OGRERR_NONE)
10675 : {
10676 : failureReason =
10677 0 : "Could not insert updated relationship into gpkgext_relations";
10678 0 : return false;
10679 : }
10680 :
10681 3 : ClearCachedRelationships();
10682 3 : LoadRelationships();
10683 3 : return true;
10684 : }
10685 :
10686 : /************************************************************************/
10687 : /* GetSqliteMasterContent() */
10688 : /************************************************************************/
10689 :
10690 : const std::vector<SQLSqliteMasterContent> &
10691 2 : GDALGeoPackageDataset::GetSqliteMasterContent()
10692 : {
10693 2 : if (m_aoSqliteMasterContent.empty())
10694 : {
10695 : auto oResultTable =
10696 2 : SQLQuery(hDB, "SELECT sql, type, tbl_name FROM sqlite_master");
10697 1 : if (oResultTable)
10698 : {
10699 58 : for (int rowCnt = 0; rowCnt < oResultTable->RowCount(); ++rowCnt)
10700 : {
10701 114 : SQLSqliteMasterContent row;
10702 57 : const char *pszSQL = oResultTable->GetValue(0, rowCnt);
10703 57 : row.osSQL = pszSQL ? pszSQL : "";
10704 57 : const char *pszType = oResultTable->GetValue(1, rowCnt);
10705 57 : row.osType = pszType ? pszType : "";
10706 57 : const char *pszTableName = oResultTable->GetValue(2, rowCnt);
10707 57 : row.osTableName = pszTableName ? pszTableName : "";
10708 57 : m_aoSqliteMasterContent.emplace_back(std::move(row));
10709 : }
10710 : }
10711 : }
10712 2 : return m_aoSqliteMasterContent;
10713 : }
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