Line data Source code
1 : /******************************************************************************
2 : *
3 : * Project: GeoPackage Translator
4 : * Purpose: Implements GDALGeoPackageDataset class
5 : * Author: Paul Ramsey <pramsey@boundlessgeo.com>
6 : *
7 : ******************************************************************************
8 : * Copyright (c) 2013, Paul Ramsey <pramsey@boundlessgeo.com>
9 : * Copyright (c) 2014, Even Rouault <even dot rouault at spatialys.com>
10 : *
11 : * SPDX-License-Identifier: MIT
12 : ****************************************************************************/
13 :
14 : #include "ogr_geopackage.h"
15 : #include "ogr_p.h"
16 : #include "ogr_swq.h"
17 : #include "gdalwarper.h"
18 : #include "gdal_utils.h"
19 : #include "ogrgeopackageutility.h"
20 : #include "ogrsqliteutility.h"
21 : #include "ogr_wkb.h"
22 : #include "vrt/vrtdataset.h"
23 :
24 : #include "tilematrixset.hpp"
25 :
26 : #include <cstdlib>
27 :
28 : #include <algorithm>
29 : #include <limits>
30 : #include <sstream>
31 :
32 : #define COMPILATION_ALLOWED
33 : #define DEFINE_OGRSQLiteSQLFunctionsSetCaseSensitiveLike
34 : #include "ogrsqlitesqlfunctionscommon.cpp"
35 :
36 : // Keep in sync prototype of those 2 functions between gdalopeninfo.cpp,
37 : // ogrsqlitedatasource.cpp and ogrgeopackagedatasource.cpp
38 : void GDALOpenInfoDeclareFileNotToOpen(const char *pszFilename,
39 : const GByte *pabyHeader,
40 : int nHeaderBytes);
41 : void GDALOpenInfoUnDeclareFileNotToOpen(const char *pszFilename);
42 :
43 : /************************************************************************/
44 : /* Tiling schemes */
45 : /************************************************************************/
46 :
47 : typedef struct
48 : {
49 : const char *pszName;
50 : int nEPSGCode;
51 : double dfMinX;
52 : double dfMaxY;
53 : int nTileXCountZoomLevel0;
54 : int nTileYCountZoomLevel0;
55 : int nTileWidth;
56 : int nTileHeight;
57 : double dfPixelXSizeZoomLevel0;
58 : double dfPixelYSizeZoomLevel0;
59 : } TilingSchemeDefinition;
60 :
61 : static const TilingSchemeDefinition asTilingSchemes[] = {
62 : /* See http://portal.opengeospatial.org/files/?artifact_id=35326 (WMTS 1.0),
63 : Annex E.3 */
64 : {"GoogleCRS84Quad", 4326, -180.0, 180.0, 1, 1, 256, 256, 360.0 / 256,
65 : 360.0 / 256},
66 :
67 : /* See global-mercator at
68 : http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification */
69 : {"PseudoTMS_GlobalMercator", 3857, -20037508.34, 20037508.34, 2, 2, 256,
70 : 256, 78271.516, 78271.516},
71 : };
72 :
73 : // Setting it above 30 would lead to integer overflow ((1 << 31) > INT_MAX)
74 : constexpr int MAX_ZOOM_LEVEL = 30;
75 :
76 : /************************************************************************/
77 : /* GetTilingScheme() */
78 : /************************************************************************/
79 :
80 : static std::unique_ptr<TilingSchemeDefinition>
81 564 : GetTilingScheme(const char *pszName)
82 : {
83 564 : if (EQUAL(pszName, "CUSTOM"))
84 436 : return nullptr;
85 :
86 256 : for (const auto &tilingScheme : asTilingSchemes)
87 : {
88 195 : if (EQUAL(pszName, tilingScheme.pszName))
89 : {
90 67 : return std::make_unique<TilingSchemeDefinition>(tilingScheme);
91 : }
92 : }
93 :
94 61 : if (EQUAL(pszName, "PseudoTMS_GlobalGeodetic"))
95 6 : pszName = "InspireCRS84Quad";
96 :
97 122 : auto poTM = gdal::TileMatrixSet::parse(pszName);
98 61 : if (poTM == nullptr)
99 1 : return nullptr;
100 60 : if (!poTM->haveAllLevelsSameTopLeft())
101 : {
102 0 : CPLError(CE_Failure, CPLE_NotSupported,
103 : "Unsupported tiling scheme: not all zoom levels have same top "
104 : "left corner");
105 0 : return nullptr;
106 : }
107 60 : if (!poTM->haveAllLevelsSameTileSize())
108 : {
109 0 : CPLError(CE_Failure, CPLE_NotSupported,
110 : "Unsupported tiling scheme: not all zoom levels have same "
111 : "tile size");
112 0 : return nullptr;
113 : }
114 60 : if (!poTM->hasOnlyPowerOfTwoVaryingScales())
115 : {
116 1 : CPLError(CE_Failure, CPLE_NotSupported,
117 : "Unsupported tiling scheme: resolution of consecutive zoom "
118 : "levels is not always 2");
119 1 : return nullptr;
120 : }
121 59 : if (poTM->hasVariableMatrixWidth())
122 : {
123 0 : CPLError(CE_Failure, CPLE_NotSupported,
124 : "Unsupported tiling scheme: some levels have variable matrix "
125 : "width");
126 0 : return nullptr;
127 : }
128 118 : auto poTilingScheme = std::make_unique<TilingSchemeDefinition>();
129 59 : poTilingScheme->pszName = pszName;
130 :
131 118 : OGRSpatialReference oSRS;
132 59 : if (oSRS.SetFromUserInput(poTM->crs().c_str()) != OGRERR_NONE)
133 : {
134 0 : return nullptr;
135 : }
136 59 : if (poTM->crs() == "http://www.opengis.net/def/crs/OGC/1.3/CRS84")
137 : {
138 6 : poTilingScheme->nEPSGCode = 4326;
139 : }
140 : else
141 : {
142 53 : const char *pszAuthName = oSRS.GetAuthorityName(nullptr);
143 53 : const char *pszAuthCode = oSRS.GetAuthorityCode(nullptr);
144 53 : if (pszAuthName == nullptr || !EQUAL(pszAuthName, "EPSG") ||
145 : pszAuthCode == nullptr)
146 : {
147 0 : CPLError(CE_Failure, CPLE_NotSupported,
148 : "Unsupported tiling scheme: only EPSG CRS supported");
149 0 : return nullptr;
150 : }
151 53 : poTilingScheme->nEPSGCode = atoi(pszAuthCode);
152 : }
153 59 : const auto &zoomLevel0 = poTM->tileMatrixList()[0];
154 59 : poTilingScheme->dfMinX = zoomLevel0.mTopLeftX;
155 59 : poTilingScheme->dfMaxY = zoomLevel0.mTopLeftY;
156 59 : poTilingScheme->nTileXCountZoomLevel0 = zoomLevel0.mMatrixWidth;
157 59 : poTilingScheme->nTileYCountZoomLevel0 = zoomLevel0.mMatrixHeight;
158 59 : poTilingScheme->nTileWidth = zoomLevel0.mTileWidth;
159 59 : poTilingScheme->nTileHeight = zoomLevel0.mTileHeight;
160 59 : poTilingScheme->dfPixelXSizeZoomLevel0 = zoomLevel0.mResX;
161 59 : poTilingScheme->dfPixelYSizeZoomLevel0 = zoomLevel0.mResY;
162 :
163 118 : const bool bInvertAxis = oSRS.EPSGTreatsAsLatLong() != FALSE ||
164 59 : oSRS.EPSGTreatsAsNorthingEasting() != FALSE;
165 59 : if (bInvertAxis)
166 : {
167 6 : std::swap(poTilingScheme->dfMinX, poTilingScheme->dfMaxY);
168 6 : std::swap(poTilingScheme->dfPixelXSizeZoomLevel0,
169 6 : poTilingScheme->dfPixelYSizeZoomLevel0);
170 : }
171 59 : return poTilingScheme;
172 : }
173 :
174 : static const char *pszCREATE_GPKG_GEOMETRY_COLUMNS =
175 : "CREATE TABLE gpkg_geometry_columns ("
176 : "table_name TEXT NOT NULL,"
177 : "column_name TEXT NOT NULL,"
178 : "geometry_type_name TEXT NOT NULL,"
179 : "srs_id INTEGER NOT NULL,"
180 : "z TINYINT NOT NULL,"
181 : "m TINYINT NOT NULL,"
182 : "CONSTRAINT pk_geom_cols PRIMARY KEY (table_name, column_name),"
183 : "CONSTRAINT uk_gc_table_name UNIQUE (table_name),"
184 : "CONSTRAINT fk_gc_tn FOREIGN KEY (table_name) REFERENCES "
185 : "gpkg_contents(table_name),"
186 : "CONSTRAINT fk_gc_srs FOREIGN KEY (srs_id) REFERENCES gpkg_spatial_ref_sys "
187 : "(srs_id)"
188 : ")";
189 :
190 865 : OGRErr GDALGeoPackageDataset::SetApplicationAndUserVersionId()
191 : {
192 865 : CPLAssert(hDB != nullptr);
193 :
194 865 : const CPLString osPragma(CPLString().Printf("PRAGMA application_id = %u;"
195 : "PRAGMA user_version = %u",
196 : m_nApplicationId,
197 1730 : m_nUserVersion));
198 1730 : return SQLCommand(hDB, osPragma.c_str());
199 : }
200 :
201 2438 : bool GDALGeoPackageDataset::CloseDB()
202 : {
203 2438 : OGRSQLiteUnregisterSQLFunctions(m_pSQLFunctionData);
204 2438 : m_pSQLFunctionData = nullptr;
205 2438 : return OGRSQLiteBaseDataSource::CloseDB();
206 : }
207 :
208 11 : bool GDALGeoPackageDataset::ReOpenDB()
209 : {
210 11 : CPLAssert(hDB != nullptr);
211 11 : CPLAssert(m_pszFilename != nullptr);
212 :
213 11 : FinishSpatialite();
214 :
215 11 : CloseDB();
216 :
217 : /* And re-open the file */
218 11 : return OpenOrCreateDB(SQLITE_OPEN_READWRITE);
219 : }
220 :
221 802 : static OGRErr GDALGPKGImportFromEPSG(OGRSpatialReference *poSpatialRef,
222 : int nEPSGCode)
223 : {
224 802 : CPLPushErrorHandler(CPLQuietErrorHandler);
225 802 : const OGRErr eErr = poSpatialRef->importFromEPSG(nEPSGCode);
226 802 : CPLPopErrorHandler();
227 802 : CPLErrorReset();
228 802 : return eErr;
229 : }
230 :
231 : std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>
232 1208 : GDALGeoPackageDataset::GetSpatialRef(int iSrsId, bool bFallbackToEPSG,
233 : bool bEmitErrorIfNotFound)
234 : {
235 1208 : const auto oIter = m_oMapSrsIdToSrs.find(iSrsId);
236 1208 : if (oIter != m_oMapSrsIdToSrs.end())
237 : {
238 88 : if (oIter->second == nullptr)
239 31 : return nullptr;
240 57 : oIter->second->Reference();
241 : return std::unique_ptr<OGRSpatialReference,
242 57 : OGRSpatialReferenceReleaser>(oIter->second);
243 : }
244 :
245 1120 : if (iSrsId == 0 || iSrsId == -1)
246 : {
247 120 : OGRSpatialReference *poSpatialRef = new OGRSpatialReference();
248 120 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
249 :
250 : // See corresponding tests in GDALGeoPackageDataset::GetSrsId
251 120 : if (iSrsId == 0)
252 : {
253 29 : poSpatialRef->SetGeogCS("Undefined geographic SRS", "unknown",
254 : "unknown", SRS_WGS84_SEMIMAJOR,
255 : SRS_WGS84_INVFLATTENING);
256 : }
257 91 : else if (iSrsId == -1)
258 : {
259 91 : poSpatialRef->SetLocalCS("Undefined Cartesian SRS");
260 91 : poSpatialRef->SetLinearUnits(SRS_UL_METER, 1.0);
261 : }
262 :
263 120 : m_oMapSrsIdToSrs[iSrsId] = poSpatialRef;
264 120 : poSpatialRef->Reference();
265 : return std::unique_ptr<OGRSpatialReference,
266 120 : OGRSpatialReferenceReleaser>(poSpatialRef);
267 : }
268 :
269 2000 : CPLString oSQL;
270 1000 : 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 1000 : m_bHasDefinition12_063 ? ", definition_12_063" : "",
275 1000 : m_bHasEpochColumn ? ", epoch" : "", iSrsId);
276 :
277 2000 : auto oResult = SQLQuery(hDB, oSQL.c_str());
278 :
279 1000 : 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 :
305 988 : const char *pszName = oResult->GetValue(0, 0);
306 988 : if (pszName && EQUAL(pszName, "Undefined SRS"))
307 : {
308 408 : m_oMapSrsIdToSrs[iSrsId] = nullptr;
309 408 : return nullptr;
310 : }
311 580 : const char *pszWkt = oResult->GetValue(1, 0);
312 580 : if (pszWkt == nullptr)
313 0 : return nullptr;
314 580 : const char *pszOrganization = oResult->GetValue(2, 0);
315 580 : const char *pszOrganizationCoordsysID = oResult->GetValue(3, 0);
316 : const char *pszWkt2 =
317 580 : m_bHasDefinition12_063 ? oResult->GetValue(4, 0) : nullptr;
318 580 : if (pszWkt2 && !EQUAL(pszWkt2, "undefined"))
319 76 : pszWkt = pszWkt2;
320 : const char *pszCoordinateEpoch =
321 580 : m_bHasEpochColumn ? oResult->GetValue(5, 0) : nullptr;
322 : const double dfCoordinateEpoch =
323 580 : pszCoordinateEpoch ? CPLAtof(pszCoordinateEpoch) : 0.0;
324 :
325 580 : OGRSpatialReference *poSpatialRef = new OGRSpatialReference();
326 580 : poSpatialRef->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
327 : // Try to import first from EPSG code, and then from WKT
328 580 : if (!(pszOrganization && pszOrganizationCoordsysID &&
329 580 : EQUAL(pszOrganization, "EPSG") &&
330 560 : (atoi(pszOrganizationCoordsysID) == iSrsId ||
331 4 : (dfCoordinateEpoch > 0 && strstr(pszWkt, "DYNAMIC[") == nullptr)) &&
332 560 : GDALGPKGImportFromEPSG(
333 1160 : 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 :
344 580 : poSpatialRef->StripTOWGS84IfKnownDatumAndAllowed();
345 580 : poSpatialRef->SetCoordinateEpoch(dfCoordinateEpoch);
346 580 : m_oMapSrsIdToSrs[iSrsId] = poSpatialRef;
347 580 : poSpatialRef->Reference();
348 : return std::unique_ptr<OGRSpatialReference, OGRSpatialReferenceReleaser>(
349 580 : poSpatialRef);
350 : }
351 :
352 271 : const char *GDALGeoPackageDataset::GetSrsName(const OGRSpatialReference &oSRS)
353 : {
354 271 : const char *pszName = oSRS.GetName();
355 271 : if (pszName)
356 271 : return pszName;
357 :
358 : // Something odd. Return empty.
359 0 : return "Unnamed SRS";
360 : }
361 :
362 : /* Add the definition_12_063 column to an existing gpkg_spatial_ref_sys table */
363 7 : bool GDALGeoPackageDataset::ConvertGpkgSpatialRefSysToExtensionWkt2(
364 : bool bForceEpoch)
365 : {
366 7 : const bool bAddEpoch = (m_nUserVersion >= GPKG_1_4_VERSION || bForceEpoch);
367 : auto oResultTable = SQLQuery(
368 : hDB, "SELECT srs_name, srs_id, organization, organization_coordsys_id, "
369 14 : "definition, description FROM gpkg_spatial_ref_sys LIMIT 100000");
370 7 : if (!oResultTable)
371 0 : return false;
372 :
373 : // Temporary remove foreign key checks
374 : const GPKGTemporaryForeignKeyCheckDisabler
375 7 : oGPKGTemporaryForeignKeyCheckDisabler(this);
376 :
377 7 : bool bRet = SoftStartTransaction() == OGRERR_NONE;
378 :
379 7 : if (bRet)
380 : {
381 : std::string osSQL("CREATE TABLE gpkg_spatial_ref_sys_temp ("
382 : "srs_name TEXT NOT NULL,"
383 : "srs_id INTEGER NOT NULL PRIMARY KEY,"
384 : "organization TEXT NOT NULL,"
385 : "organization_coordsys_id INTEGER NOT NULL,"
386 : "definition TEXT NOT NULL,"
387 : "description TEXT, "
388 7 : "definition_12_063 TEXT NOT NULL");
389 7 : if (bAddEpoch)
390 6 : osSQL += ", epoch DOUBLE";
391 7 : osSQL += ")";
392 7 : bRet = SQLCommand(hDB, osSQL.c_str()) == OGRERR_NONE;
393 : }
394 :
395 7 : if (bRet)
396 : {
397 32 : for (int i = 0; bRet && i < oResultTable->RowCount(); i++)
398 : {
399 25 : const char *pszSrsName = oResultTable->GetValue(0, i);
400 25 : const char *pszSrsId = oResultTable->GetValue(1, i);
401 25 : const char *pszOrganization = oResultTable->GetValue(2, i);
402 : const char *pszOrganizationCoordsysID =
403 25 : oResultTable->GetValue(3, i);
404 25 : const char *pszDefinition = oResultTable->GetValue(4, i);
405 : if (pszSrsName == nullptr || pszSrsId == nullptr ||
406 : pszOrganization == nullptr ||
407 : pszOrganizationCoordsysID == nullptr)
408 : {
409 : // should not happen as there are NOT NULL constraints
410 : // But a database could lack such NOT NULL constraints or have
411 : // large values that would cause a memory allocation failure.
412 : }
413 25 : const char *pszDescription = oResultTable->GetValue(5, i);
414 : char *pszSQL;
415 :
416 50 : OGRSpatialReference oSRS;
417 25 : if (pszOrganization && pszOrganizationCoordsysID &&
418 25 : EQUAL(pszOrganization, "EPSG"))
419 : {
420 9 : oSRS.importFromEPSG(atoi(pszOrganizationCoordsysID));
421 : }
422 34 : if (!oSRS.IsEmpty() && pszDefinition &&
423 9 : !EQUAL(pszDefinition, "undefined"))
424 : {
425 9 : oSRS.SetFromUserInput(pszDefinition);
426 : }
427 25 : char *pszWKT2 = nullptr;
428 25 : if (!oSRS.IsEmpty())
429 : {
430 9 : const char *const apszOptionsWkt2[] = {"FORMAT=WKT2_2015",
431 : nullptr};
432 9 : oSRS.exportToWkt(&pszWKT2, apszOptionsWkt2);
433 9 : if (pszWKT2 && pszWKT2[0] == '\0')
434 : {
435 0 : CPLFree(pszWKT2);
436 0 : pszWKT2 = nullptr;
437 : }
438 : }
439 25 : if (pszWKT2 == nullptr)
440 : {
441 16 : pszWKT2 = CPLStrdup("undefined");
442 : }
443 :
444 25 : if (pszDescription)
445 : {
446 22 : pszSQL = sqlite3_mprintf(
447 : "INSERT INTO gpkg_spatial_ref_sys_temp(srs_name, srs_id, "
448 : "organization, organization_coordsys_id, definition, "
449 : "description, definition_12_063) VALUES ('%q', '%q', '%q', "
450 : "'%q', '%q', '%q', '%q')",
451 : pszSrsName, pszSrsId, pszOrganization,
452 : pszOrganizationCoordsysID, pszDefinition, pszDescription,
453 : pszWKT2);
454 : }
455 : else
456 : {
457 3 : pszSQL = sqlite3_mprintf(
458 : "INSERT INTO gpkg_spatial_ref_sys_temp(srs_name, srs_id, "
459 : "organization, organization_coordsys_id, definition, "
460 : "description, definition_12_063) VALUES ('%q', '%q', '%q', "
461 : "'%q', '%q', NULL, '%q')",
462 : pszSrsName, pszSrsId, pszOrganization,
463 : pszOrganizationCoordsysID, pszDefinition, pszWKT2);
464 : }
465 :
466 25 : CPLFree(pszWKT2);
467 25 : bRet &= SQLCommand(hDB, pszSQL) == OGRERR_NONE;
468 25 : sqlite3_free(pszSQL);
469 : }
470 : }
471 :
472 7 : if (bRet)
473 : {
474 7 : bRet =
475 7 : SQLCommand(hDB, "DROP TABLE gpkg_spatial_ref_sys") == OGRERR_NONE;
476 : }
477 7 : if (bRet)
478 : {
479 7 : bRet = SQLCommand(hDB, "ALTER TABLE gpkg_spatial_ref_sys_temp RENAME "
480 : "TO gpkg_spatial_ref_sys") == OGRERR_NONE;
481 : }
482 7 : if (bRet)
483 : {
484 14 : bRet = OGRERR_NONE == CreateExtensionsTableIfNecessary() &&
485 7 : OGRERR_NONE == SQLCommand(hDB,
486 : "INSERT INTO gpkg_extensions "
487 : "(table_name, column_name, "
488 : "extension_name, definition, scope) "
489 : "VALUES "
490 : "('gpkg_spatial_ref_sys', "
491 : "'definition_12_063', 'gpkg_crs_wkt', "
492 : "'http://www.geopackage.org/spec120/"
493 : "#extension_crs_wkt', 'read-write')");
494 : }
495 7 : if (bRet && bAddEpoch)
496 : {
497 6 : bRet =
498 : OGRERR_NONE ==
499 6 : SQLCommand(hDB, "UPDATE gpkg_extensions SET extension_name = "
500 : "'gpkg_crs_wkt_1_1' "
501 12 : "WHERE extension_name = 'gpkg_crs_wkt'") &&
502 : OGRERR_NONE ==
503 6 : SQLCommand(
504 : hDB,
505 : "INSERT INTO gpkg_extensions "
506 : "(table_name, column_name, extension_name, definition, "
507 : "scope) "
508 : "VALUES "
509 : "('gpkg_spatial_ref_sys', 'epoch', 'gpkg_crs_wkt_1_1', "
510 : "'http://www.geopackage.org/spec/#extension_crs_wkt', "
511 : "'read-write')");
512 : }
513 7 : if (bRet)
514 : {
515 7 : SoftCommitTransaction();
516 7 : m_bHasDefinition12_063 = true;
517 7 : if (bAddEpoch)
518 6 : m_bHasEpochColumn = true;
519 : }
520 : else
521 : {
522 0 : SoftRollbackTransaction();
523 : }
524 :
525 7 : return bRet;
526 : }
527 :
528 850 : int GDALGeoPackageDataset::GetSrsId(const OGRSpatialReference *poSRSIn)
529 : {
530 850 : const char *pszName = poSRSIn ? poSRSIn->GetName() : nullptr;
531 1244 : if (!poSRSIn || poSRSIn->IsEmpty() ||
532 394 : (pszName && EQUAL(pszName, "Undefined SRS")))
533 : {
534 458 : OGRErr err = OGRERR_NONE;
535 458 : const int nSRSId = SQLGetInteger(
536 : hDB,
537 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE srs_name = "
538 : "'Undefined SRS' AND organization = 'GDAL'",
539 : &err);
540 458 : if (err == OGRERR_NONE)
541 55 : return nSRSId;
542 :
543 : // The below WKT definitions are somehow questionable (using a unknown
544 : // unit). For GDAL >= 3.9, they won't be used. They will only be used
545 : // for earlier versions.
546 : const char *pszSQL;
547 : #define UNDEFINED_CRS_SRS_ID 99999
548 : static_assert(UNDEFINED_CRS_SRS_ID == FIRST_CUSTOM_SRSID - 1);
549 : #define STRINGIFY(x) #x
550 : #define XSTRINGIFY(x) STRINGIFY(x)
551 403 : if (m_bHasDefinition12_063)
552 : {
553 : /* clang-format off */
554 1 : pszSQL =
555 : "INSERT INTO gpkg_spatial_ref_sys "
556 : "(srs_name,srs_id,organization,organization_coordsys_id,"
557 : "definition, definition_12_063, description) VALUES "
558 : "('Undefined SRS'," XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ",'GDAL',"
559 : XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ","
560 : "'LOCAL_CS[\"Undefined SRS\",LOCAL_DATUM[\"unknown\",32767],"
561 : "UNIT[\"unknown\",0],AXIS[\"Easting\",EAST],"
562 : "AXIS[\"Northing\",NORTH]]',"
563 : "'ENGCRS[\"Undefined SRS\",EDATUM[\"unknown\"],CS[Cartesian,2],"
564 : "AXIS[\"easting\",east,ORDER[1],LENGTHUNIT[\"unknown\",0]],"
565 : "AXIS[\"northing\",north,ORDER[2],LENGTHUNIT[\"unknown\",0]]]',"
566 : "'Custom undefined coordinate reference system')";
567 : /* clang-format on */
568 : }
569 : else
570 : {
571 : /* clang-format off */
572 402 : pszSQL =
573 : "INSERT INTO gpkg_spatial_ref_sys "
574 : "(srs_name,srs_id,organization,organization_coordsys_id,"
575 : "definition, description) VALUES "
576 : "('Undefined SRS'," XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ",'GDAL',"
577 : XSTRINGIFY(UNDEFINED_CRS_SRS_ID) ","
578 : "'LOCAL_CS[\"Undefined SRS\",LOCAL_DATUM[\"unknown\",32767],"
579 : "UNIT[\"unknown\",0],AXIS[\"Easting\",EAST],"
580 : "AXIS[\"Northing\",NORTH]]',"
581 : "'Custom undefined coordinate reference system')";
582 : /* clang-format on */
583 : }
584 403 : if (SQLCommand(hDB, pszSQL) == OGRERR_NONE)
585 403 : return UNDEFINED_CRS_SRS_ID;
586 : #undef UNDEFINED_CRS_SRS_ID
587 : #undef XSTRINGIFY
588 : #undef STRINGIFY
589 0 : return -1;
590 : }
591 :
592 784 : std::unique_ptr<OGRSpatialReference> poSRS(poSRSIn->Clone());
593 :
594 392 : if (poSRS->IsGeographic() || poSRS->IsLocal())
595 : {
596 : // See corresponding tests in GDALGeoPackageDataset::GetSpatialRef
597 138 : if (pszName != nullptr && strlen(pszName) > 0)
598 : {
599 138 : if (EQUAL(pszName, "Undefined geographic SRS"))
600 2 : return 0;
601 :
602 136 : if (EQUAL(pszName, "Undefined Cartesian SRS"))
603 1 : return -1;
604 : }
605 : }
606 :
607 389 : const char *pszAuthorityName = poSRS->GetAuthorityName(nullptr);
608 :
609 389 : if (pszAuthorityName == nullptr || strlen(pszAuthorityName) == 0)
610 : {
611 : // Try to force identify an EPSG code.
612 26 : poSRS->AutoIdentifyEPSG();
613 :
614 26 : pszAuthorityName = poSRS->GetAuthorityName(nullptr);
615 26 : if (pszAuthorityName != nullptr && EQUAL(pszAuthorityName, "EPSG"))
616 : {
617 0 : const char *pszAuthorityCode = poSRS->GetAuthorityCode(nullptr);
618 0 : if (pszAuthorityCode != nullptr && strlen(pszAuthorityCode) > 0)
619 : {
620 : /* Import 'clean' SRS */
621 0 : poSRS->importFromEPSG(atoi(pszAuthorityCode));
622 :
623 0 : pszAuthorityName = poSRS->GetAuthorityName(nullptr);
624 : }
625 : }
626 :
627 26 : poSRS->SetCoordinateEpoch(poSRSIn->GetCoordinateEpoch());
628 : }
629 :
630 : // Check whether the EPSG authority code is already mapped to a
631 : // SRS ID.
632 389 : char *pszSQL = nullptr;
633 389 : int nSRSId = DEFAULT_SRID;
634 389 : int nAuthorityCode = 0;
635 389 : OGRErr err = OGRERR_NONE;
636 389 : bool bCanUseAuthorityCode = false;
637 389 : const char *const apszIsSameOptions[] = {
638 : "IGNORE_DATA_AXIS_TO_SRS_AXIS_MAPPING=YES",
639 : "IGNORE_COORDINATE_EPOCH=YES", nullptr};
640 389 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0)
641 : {
642 363 : const char *pszAuthorityCode = poSRS->GetAuthorityCode(nullptr);
643 363 : if (pszAuthorityCode)
644 : {
645 363 : if (CPLGetValueType(pszAuthorityCode) == CPL_VALUE_INTEGER)
646 : {
647 363 : nAuthorityCode = atoi(pszAuthorityCode);
648 : }
649 : else
650 : {
651 0 : CPLDebug("GPKG",
652 : "SRS has %s:%s identification, but the code not "
653 : "being an integer value cannot be stored as such "
654 : "in the database.",
655 : pszAuthorityName, pszAuthorityCode);
656 0 : pszAuthorityName = nullptr;
657 : }
658 : }
659 : }
660 :
661 752 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
662 363 : poSRSIn->GetCoordinateEpoch() == 0)
663 : {
664 : pszSQL =
665 358 : sqlite3_mprintf("SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
666 : "upper(organization) = upper('%q') AND "
667 : "organization_coordsys_id = %d",
668 : pszAuthorityName, nAuthorityCode);
669 :
670 358 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
671 358 : sqlite3_free(pszSQL);
672 :
673 : // Got a match? Return it!
674 358 : if (OGRERR_NONE == err)
675 : {
676 114 : auto poRefSRS = GetSpatialRef(nSRSId);
677 : bool bOK =
678 114 : (poRefSRS == nullptr ||
679 115 : poSRS->IsSame(poRefSRS.get(), apszIsSameOptions) ||
680 1 : !CPLTestBool(CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")));
681 114 : if (bOK)
682 : {
683 113 : return nSRSId;
684 : }
685 : else
686 : {
687 1 : CPLError(CE_Warning, CPLE_AppDefined,
688 : "Passed SRS uses %s:%d identification, but its "
689 : "definition is not compatible with the "
690 : "definition of that object already in the database. "
691 : "Registering it as a new entry into the database.",
692 : pszAuthorityName, nAuthorityCode);
693 1 : pszAuthorityName = nullptr;
694 1 : nAuthorityCode = 0;
695 : }
696 : }
697 : }
698 :
699 : // Translate SRS to WKT.
700 276 : CPLCharUniquePtr pszWKT1;
701 276 : CPLCharUniquePtr pszWKT2_2015;
702 276 : CPLCharUniquePtr pszWKT2_2019;
703 276 : const char *const apszOptionsWkt1[] = {"FORMAT=WKT1_GDAL", nullptr};
704 276 : const char *const apszOptionsWkt2_2015[] = {"FORMAT=WKT2_2015", nullptr};
705 276 : const char *const apszOptionsWkt2_2019[] = {"FORMAT=WKT2_2019", nullptr};
706 :
707 552 : std::string osEpochTest;
708 276 : if (poSRSIn->GetCoordinateEpoch() > 0 && m_bHasEpochColumn)
709 : {
710 : osEpochTest =
711 3 : CPLSPrintf(" AND epoch = %.17g", poSRSIn->GetCoordinateEpoch());
712 : }
713 :
714 276 : if (!(poSRS->IsGeographic() && poSRS->GetAxesCount() == 3))
715 : {
716 267 : char *pszTmp = nullptr;
717 267 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt1);
718 267 : pszWKT1.reset(pszTmp);
719 267 : if (pszWKT1 && pszWKT1.get()[0] == '\0')
720 : {
721 0 : pszWKT1.reset();
722 : }
723 : }
724 : {
725 276 : char *pszTmp = nullptr;
726 276 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2015);
727 276 : pszWKT2_2015.reset(pszTmp);
728 276 : if (pszWKT2_2015 && pszWKT2_2015.get()[0] == '\0')
729 : {
730 0 : pszWKT2_2015.reset();
731 : }
732 : }
733 : {
734 276 : char *pszTmp = nullptr;
735 276 : poSRS->exportToWkt(&pszTmp, apszOptionsWkt2_2019);
736 276 : pszWKT2_2019.reset(pszTmp);
737 276 : if (pszWKT2_2019 && pszWKT2_2019.get()[0] == '\0')
738 : {
739 0 : pszWKT2_2019.reset();
740 : }
741 : }
742 :
743 276 : if (!pszWKT1 && !pszWKT2_2015 && !pszWKT2_2019)
744 : {
745 0 : return DEFAULT_SRID;
746 : }
747 :
748 276 : if (poSRSIn->GetCoordinateEpoch() == 0 || m_bHasEpochColumn)
749 : {
750 : // Search if there is already an existing entry with this WKT
751 273 : if (m_bHasDefinition12_063 && (pszWKT2_2015 || pszWKT2_2019))
752 : {
753 42 : if (pszWKT1)
754 : {
755 144 : pszSQL = sqlite3_mprintf(
756 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
757 : "(definition = '%q' OR definition_12_063 IN ('%q','%q'))%s",
758 : pszWKT1.get(),
759 72 : pszWKT2_2015 ? pszWKT2_2015.get() : "invalid",
760 72 : pszWKT2_2019 ? pszWKT2_2019.get() : "invalid",
761 : osEpochTest.c_str());
762 : }
763 : else
764 : {
765 24 : pszSQL = sqlite3_mprintf(
766 : "SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
767 : "definition_12_063 IN ('%q', '%q')%s",
768 12 : pszWKT2_2015 ? pszWKT2_2015.get() : "invalid",
769 12 : pszWKT2_2019 ? pszWKT2_2019.get() : "invalid",
770 : osEpochTest.c_str());
771 : }
772 : }
773 231 : else if (pszWKT1)
774 : {
775 : pszSQL =
776 228 : sqlite3_mprintf("SELECT srs_id FROM gpkg_spatial_ref_sys WHERE "
777 : "definition = '%q'%s",
778 : pszWKT1.get(), osEpochTest.c_str());
779 : }
780 : else
781 : {
782 3 : pszSQL = nullptr;
783 : }
784 273 : if (pszSQL)
785 : {
786 270 : nSRSId = SQLGetInteger(hDB, pszSQL, &err);
787 270 : sqlite3_free(pszSQL);
788 270 : if (OGRERR_NONE == err)
789 : {
790 5 : return nSRSId;
791 : }
792 : }
793 : }
794 :
795 518 : if (pszAuthorityName != nullptr && strlen(pszAuthorityName) > 0 &&
796 247 : poSRSIn->GetCoordinateEpoch() == 0)
797 : {
798 243 : bool bTryToReuseSRSId = true;
799 243 : if (EQUAL(pszAuthorityName, "EPSG"))
800 : {
801 484 : OGRSpatialReference oSRS_EPSG;
802 242 : if (GDALGPKGImportFromEPSG(&oSRS_EPSG, nAuthorityCode) ==
803 : OGRERR_NONE)
804 : {
805 243 : if (!poSRS->IsSame(&oSRS_EPSG, apszIsSameOptions) &&
806 1 : CPLTestBool(
807 : CPLGetConfigOption("OGR_GPKG_CHECK_SRS", "YES")))
808 : {
809 1 : bTryToReuseSRSId = false;
810 1 : CPLError(
811 : CE_Warning, CPLE_AppDefined,
812 : "Passed SRS uses %s:%d identification, but its "
813 : "definition is not compatible with the "
814 : "official definition of the object. "
815 : "Registering it as a non-%s entry into the database.",
816 : pszAuthorityName, nAuthorityCode, pszAuthorityName);
817 1 : pszAuthorityName = nullptr;
818 1 : nAuthorityCode = 0;
819 : }
820 : }
821 : }
822 243 : if (bTryToReuseSRSId)
823 : {
824 : // No match, but maybe we can use the nAuthorityCode as the nSRSId?
825 242 : pszSQL = sqlite3_mprintf(
826 : "SELECT Count(*) FROM gpkg_spatial_ref_sys WHERE "
827 : "srs_id = %d",
828 : nAuthorityCode);
829 :
830 : // Yep, we can!
831 242 : if (SQLGetInteger(hDB, pszSQL, nullptr) == 0)
832 241 : bCanUseAuthorityCode = true;
833 242 : sqlite3_free(pszSQL);
834 : }
835 : }
836 :
837 271 : bool bConvertGpkgSpatialRefSysToExtensionWkt2 = false;
838 271 : bool bForceEpoch = false;
839 274 : if (!m_bHasDefinition12_063 && pszWKT1 == nullptr &&
840 3 : (pszWKT2_2015 != nullptr || pszWKT2_2019 != nullptr))
841 : {
842 3 : bConvertGpkgSpatialRefSysToExtensionWkt2 = true;
843 : }
844 :
845 : // Add epoch column if needed
846 271 : if (poSRSIn->GetCoordinateEpoch() > 0 && !m_bHasEpochColumn)
847 : {
848 3 : if (m_bHasDefinition12_063)
849 : {
850 0 : if (SoftStartTransaction() != OGRERR_NONE)
851 0 : return DEFAULT_SRID;
852 0 : if (SQLCommand(hDB, "ALTER TABLE gpkg_spatial_ref_sys "
853 0 : "ADD COLUMN epoch DOUBLE") != OGRERR_NONE ||
854 0 : SQLCommand(hDB, "UPDATE gpkg_extensions SET extension_name = "
855 : "'gpkg_crs_wkt_1_1' "
856 : "WHERE extension_name = 'gpkg_crs_wkt'") !=
857 0 : OGRERR_NONE ||
858 0 : SQLCommand(
859 : hDB,
860 : "INSERT INTO gpkg_extensions "
861 : "(table_name, column_name, extension_name, definition, "
862 : "scope) "
863 : "VALUES "
864 : "('gpkg_spatial_ref_sys', 'epoch', 'gpkg_crs_wkt_1_1', "
865 : "'http://www.geopackage.org/spec/#extension_crs_wkt', "
866 : "'read-write')") != OGRERR_NONE)
867 : {
868 0 : SoftRollbackTransaction();
869 0 : return DEFAULT_SRID;
870 : }
871 :
872 0 : if (SoftCommitTransaction() != OGRERR_NONE)
873 0 : return DEFAULT_SRID;
874 :
875 0 : m_bHasEpochColumn = true;
876 : }
877 : else
878 : {
879 3 : bConvertGpkgSpatialRefSysToExtensionWkt2 = true;
880 3 : bForceEpoch = true;
881 : }
882 : }
883 :
884 277 : if (bConvertGpkgSpatialRefSysToExtensionWkt2 &&
885 6 : !ConvertGpkgSpatialRefSysToExtensionWkt2(bForceEpoch))
886 : {
887 0 : return DEFAULT_SRID;
888 : }
889 :
890 : // Reuse the authority code number as SRS_ID if we can
891 271 : if (bCanUseAuthorityCode)
892 : {
893 241 : nSRSId = nAuthorityCode;
894 : }
895 : // Otherwise, generate a new SRS_ID number (max + 1)
896 : else
897 : {
898 : // Get the current maximum srid in the srs table.
899 30 : const int nMaxSRSId = SQLGetInteger(
900 : hDB, "SELECT MAX(srs_id) FROM gpkg_spatial_ref_sys", nullptr);
901 30 : nSRSId = std::max(FIRST_CUSTOM_SRSID, nMaxSRSId + 1);
902 : }
903 :
904 542 : std::string osEpochColumn;
905 271 : std::string osEpochVal;
906 271 : if (poSRSIn->GetCoordinateEpoch() > 0)
907 : {
908 5 : osEpochColumn = ", epoch";
909 5 : osEpochVal = CPLSPrintf(", %.17g", poSRSIn->GetCoordinateEpoch());
910 : }
911 :
912 : // Add new SRS row to gpkg_spatial_ref_sys.
913 271 : if (m_bHasDefinition12_063)
914 : {
915 : // Force WKT2_2019 when we have a dynamic CRS and coordinate epoch
916 45 : const char *pszWKT2 = poSRSIn->IsDynamic() &&
917 10 : poSRSIn->GetCoordinateEpoch() > 0 &&
918 1 : pszWKT2_2019
919 1 : ? pszWKT2_2019.get()
920 44 : : pszWKT2_2015 ? pszWKT2_2015.get()
921 97 : : pszWKT2_2019.get();
922 :
923 45 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
924 : {
925 99 : pszSQL = sqlite3_mprintf(
926 : "INSERT INTO gpkg_spatial_ref_sys "
927 : "(srs_name,srs_id,organization,organization_coordsys_id,"
928 : "definition, definition_12_063%s) VALUES "
929 : "('%q', %d, upper('%q'), %d, '%q', '%q'%s)",
930 33 : osEpochColumn.c_str(), GetSrsName(*poSRS), nSRSId,
931 : pszAuthorityName, nAuthorityCode,
932 62 : pszWKT1 ? pszWKT1.get() : "undefined",
933 : pszWKT2 ? pszWKT2 : "undefined", osEpochVal.c_str());
934 : }
935 : else
936 : {
937 36 : pszSQL = sqlite3_mprintf(
938 : "INSERT INTO gpkg_spatial_ref_sys "
939 : "(srs_name,srs_id,organization,organization_coordsys_id,"
940 : "definition, definition_12_063%s) VALUES "
941 : "('%q', %d, upper('%q'), %d, '%q', '%q'%s)",
942 12 : osEpochColumn.c_str(), GetSrsName(*poSRS), nSRSId, "NONE",
943 21 : nSRSId, pszWKT1 ? pszWKT1.get() : "undefined",
944 : pszWKT2 ? pszWKT2 : "undefined", osEpochVal.c_str());
945 : }
946 : }
947 : else
948 : {
949 226 : if (pszAuthorityName != nullptr && nAuthorityCode > 0)
950 : {
951 426 : pszSQL = sqlite3_mprintf(
952 : "INSERT INTO gpkg_spatial_ref_sys "
953 : "(srs_name,srs_id,organization,organization_coordsys_id,"
954 : "definition) VALUES ('%q', %d, upper('%q'), %d, '%q')",
955 213 : GetSrsName(*poSRS), nSRSId, pszAuthorityName, nAuthorityCode,
956 426 : pszWKT1 ? pszWKT1.get() : "undefined");
957 : }
958 : else
959 : {
960 26 : pszSQL = sqlite3_mprintf(
961 : "INSERT INTO gpkg_spatial_ref_sys "
962 : "(srs_name,srs_id,organization,organization_coordsys_id,"
963 : "definition) VALUES ('%q', %d, upper('%q'), %d, '%q')",
964 13 : GetSrsName(*poSRS), nSRSId, "NONE", nSRSId,
965 26 : pszWKT1 ? pszWKT1.get() : "undefined");
966 : }
967 : }
968 :
969 : // Add new row to gpkg_spatial_ref_sys.
970 271 : CPL_IGNORE_RET_VAL(SQLCommand(hDB, pszSQL));
971 :
972 : // Free everything that was allocated.
973 271 : sqlite3_free(pszSQL);
974 :
975 271 : return nSRSId;
976 : }
977 :
978 : /************************************************************************/
979 : /* ~GDALGeoPackageDataset() */
980 : /************************************************************************/
981 :
982 4854 : GDALGeoPackageDataset::~GDALGeoPackageDataset()
983 : {
984 2427 : GDALGeoPackageDataset::Close();
985 4854 : }
986 :
987 : /************************************************************************/
988 : /* Close() */
989 : /************************************************************************/
990 :
991 4088 : CPLErr GDALGeoPackageDataset::Close()
992 : {
993 4088 : CPLErr eErr = CE_None;
994 4088 : if (nOpenFlags != OPEN_FLAGS_CLOSED)
995 : {
996 1421 : if (eAccess == GA_Update && m_poParentDS == nullptr &&
997 3848 : !m_osRasterTable.empty() && !m_bGeoTransformValid)
998 : {
999 3 : CPLError(CE_Failure, CPLE_AppDefined,
1000 : "Raster table %s not correctly initialized due to missing "
1001 : "call to SetGeoTransform()",
1002 : m_osRasterTable.c_str());
1003 : }
1004 :
1005 2427 : if (GDALGeoPackageDataset::FlushCache(true) != CE_None)
1006 7 : eErr = CE_Failure;
1007 :
1008 : // Destroy bands now since we don't want
1009 : // GDALGPKGMBTilesLikeRasterBand::FlushCache() to run after dataset
1010 : // destruction
1011 4245 : for (int i = 0; i < nBands; i++)
1012 1818 : delete papoBands[i];
1013 2427 : nBands = 0;
1014 2427 : CPLFree(papoBands);
1015 2427 : papoBands = nullptr;
1016 :
1017 : // Destroy overviews before cleaning m_hTempDB as they could still
1018 : // need it
1019 2427 : m_apoOverviewDS.clear();
1020 :
1021 2427 : if (m_poParentDS)
1022 : {
1023 325 : hDB = nullptr;
1024 : }
1025 :
1026 2427 : m_apoLayers.clear();
1027 :
1028 : std::map<int, OGRSpatialReference *>::iterator oIter =
1029 2427 : m_oMapSrsIdToSrs.begin();
1030 3537 : for (; oIter != m_oMapSrsIdToSrs.end(); ++oIter)
1031 : {
1032 1110 : OGRSpatialReference *poSRS = oIter->second;
1033 1110 : if (poSRS)
1034 700 : poSRS->Release();
1035 : }
1036 :
1037 2427 : if (!CloseDB())
1038 0 : eErr = CE_Failure;
1039 :
1040 2427 : if (OGRSQLiteBaseDataSource::Close() != CE_None)
1041 0 : eErr = CE_Failure;
1042 : }
1043 4088 : return eErr;
1044 : }
1045 :
1046 : /************************************************************************/
1047 : /* ICanIWriteBlock() */
1048 : /************************************************************************/
1049 :
1050 5694 : bool GDALGeoPackageDataset::ICanIWriteBlock()
1051 : {
1052 5694 : if (!GetUpdate())
1053 : {
1054 0 : CPLError(
1055 : CE_Failure, CPLE_NotSupported,
1056 : "IWriteBlock() not supported on dataset opened in read-only mode");
1057 0 : return false;
1058 : }
1059 :
1060 5694 : if (m_pabyCachedTiles == nullptr)
1061 : {
1062 0 : return false;
1063 : }
1064 :
1065 5694 : if (!m_bGeoTransformValid || m_nSRID == UNKNOWN_SRID)
1066 : {
1067 0 : CPLError(CE_Failure, CPLE_NotSupported,
1068 : "IWriteBlock() not supported if georeferencing not set");
1069 0 : return false;
1070 : }
1071 5694 : return true;
1072 : }
1073 :
1074 : /************************************************************************/
1075 : /* IRasterIO() */
1076 : /************************************************************************/
1077 :
1078 130 : CPLErr GDALGeoPackageDataset::IRasterIO(
1079 : GDALRWFlag eRWFlag, int nXOff, int nYOff, int nXSize, int nYSize,
1080 : void *pData, int nBufXSize, int nBufYSize, GDALDataType eBufType,
1081 : int nBandCount, BANDMAP_TYPE panBandMap, GSpacing nPixelSpace,
1082 : GSpacing nLineSpace, GSpacing nBandSpace, GDALRasterIOExtraArg *psExtraArg)
1083 :
1084 : {
1085 130 : CPLErr eErr = OGRSQLiteBaseDataSource::IRasterIO(
1086 : eRWFlag, nXOff, nYOff, nXSize, nYSize, pData, nBufXSize, nBufYSize,
1087 : eBufType, nBandCount, panBandMap, nPixelSpace, nLineSpace, nBandSpace,
1088 : psExtraArg);
1089 :
1090 : // If writing all bands, in non-shifted mode, flush all entirely written
1091 : // tiles This can avoid "stressing" the block cache with too many dirty
1092 : // blocks. Note: this logic would be useless with a per-dataset block cache.
1093 130 : if (eErr == CE_None && eRWFlag == GF_Write && nXSize == nBufXSize &&
1094 121 : nYSize == nBufYSize && nBandCount == nBands &&
1095 118 : m_nShiftXPixelsMod == 0 && m_nShiftYPixelsMod == 0)
1096 : {
1097 : auto poBand =
1098 114 : cpl::down_cast<GDALGPKGMBTilesLikeRasterBand *>(GetRasterBand(1));
1099 : int nBlockXSize, nBlockYSize;
1100 114 : poBand->GetBlockSize(&nBlockXSize, &nBlockYSize);
1101 114 : const int nBlockXStart = DIV_ROUND_UP(nXOff, nBlockXSize);
1102 114 : const int nBlockYStart = DIV_ROUND_UP(nYOff, nBlockYSize);
1103 114 : const int nBlockXEnd = (nXOff + nXSize) / nBlockXSize;
1104 114 : const int nBlockYEnd = (nYOff + nYSize) / nBlockYSize;
1105 268 : for (int nBlockY = nBlockXStart; nBlockY < nBlockYEnd; nBlockY++)
1106 : {
1107 4371 : for (int nBlockX = nBlockYStart; nBlockX < nBlockXEnd; nBlockX++)
1108 : {
1109 : GDALRasterBlock *poBlock =
1110 4217 : poBand->AccessibleTryGetLockedBlockRef(nBlockX, nBlockY);
1111 4217 : if (poBlock)
1112 : {
1113 : // GetDirty() should be true in most situation (otherwise
1114 : // it means the block cache is under extreme pressure!)
1115 4215 : if (poBlock->GetDirty())
1116 : {
1117 : // IWriteBlock() on one band will check the dirty state
1118 : // of the corresponding blocks in other bands, to decide
1119 : // if it can call WriteTile(), so we have only to do
1120 : // that on one of the bands
1121 4215 : if (poBlock->Write() != CE_None)
1122 250 : eErr = CE_Failure;
1123 : }
1124 4215 : poBlock->DropLock();
1125 : }
1126 : }
1127 : }
1128 : }
1129 :
1130 130 : return eErr;
1131 : }
1132 :
1133 : /************************************************************************/
1134 : /* GetOGRTableLimit() */
1135 : /************************************************************************/
1136 :
1137 3954 : static int GetOGRTableLimit()
1138 : {
1139 3954 : return atoi(CPLGetConfigOption("OGR_TABLE_LIMIT", "10000"));
1140 : }
1141 :
1142 : /************************************************************************/
1143 : /* GetNameTypeMapFromSQliteMaster() */
1144 : /************************************************************************/
1145 :
1146 : const std::map<CPLString, CPLString> &
1147 1227 : GDALGeoPackageDataset::GetNameTypeMapFromSQliteMaster()
1148 : {
1149 1227 : if (!m_oMapNameToType.empty())
1150 337 : return m_oMapNameToType;
1151 :
1152 : CPLString osSQL(
1153 : "SELECT name, type FROM sqlite_master WHERE "
1154 : "type IN ('view', 'table') OR "
1155 1780 : "(name LIKE 'trigger_%_feature_count_%' AND type = 'trigger')");
1156 890 : const int nTableLimit = GetOGRTableLimit();
1157 890 : if (nTableLimit > 0)
1158 : {
1159 890 : osSQL += " LIMIT ";
1160 890 : osSQL += CPLSPrintf("%d", 1 + 3 * nTableLimit);
1161 : }
1162 :
1163 890 : auto oResult = SQLQuery(hDB, osSQL);
1164 890 : if (oResult)
1165 : {
1166 14877 : for (int i = 0; i < oResult->RowCount(); i++)
1167 : {
1168 13987 : const char *pszName = oResult->GetValue(0, i);
1169 13987 : const char *pszType = oResult->GetValue(1, i);
1170 13987 : m_oMapNameToType[CPLString(pszName).toupper()] = pszType;
1171 : }
1172 : }
1173 :
1174 890 : return m_oMapNameToType;
1175 : }
1176 :
1177 : /************************************************************************/
1178 : /* RemoveTableFromSQLiteMasterCache() */
1179 : /************************************************************************/
1180 :
1181 55 : void GDALGeoPackageDataset::RemoveTableFromSQLiteMasterCache(
1182 : const char *pszTableName)
1183 : {
1184 55 : m_oMapNameToType.erase(CPLString(pszTableName).toupper());
1185 55 : }
1186 :
1187 : /************************************************************************/
1188 : /* GetUnknownExtensionsTableSpecific() */
1189 : /************************************************************************/
1190 :
1191 : const std::map<CPLString, std::vector<GPKGExtensionDesc>> &
1192 848 : GDALGeoPackageDataset::GetUnknownExtensionsTableSpecific()
1193 : {
1194 848 : if (m_bMapTableToExtensionsBuilt)
1195 89 : return m_oMapTableToExtensions;
1196 759 : m_bMapTableToExtensionsBuilt = true;
1197 :
1198 759 : if (!HasExtensionsTable())
1199 40 : return m_oMapTableToExtensions;
1200 :
1201 : CPLString osSQL(
1202 : "SELECT table_name, extension_name, definition, scope "
1203 : "FROM gpkg_extensions WHERE "
1204 : "table_name IS NOT NULL "
1205 : "AND extension_name IS NOT NULL "
1206 : "AND definition IS NOT NULL "
1207 : "AND scope IS NOT NULL "
1208 : "AND extension_name NOT IN ('gpkg_geom_CIRCULARSTRING', "
1209 : "'gpkg_geom_COMPOUNDCURVE', 'gpkg_geom_CURVEPOLYGON', "
1210 : "'gpkg_geom_MULTICURVE', "
1211 : "'gpkg_geom_MULTISURFACE', 'gpkg_geom_CURVE', 'gpkg_geom_SURFACE', "
1212 : "'gpkg_geom_POLYHEDRALSURFACE', 'gpkg_geom_TIN', 'gpkg_geom_TRIANGLE', "
1213 : "'gpkg_rtree_index', 'gpkg_geometry_type_trigger', "
1214 : "'gpkg_srs_id_trigger', "
1215 : "'gpkg_crs_wkt', 'gpkg_crs_wkt_1_1', 'gpkg_schema', "
1216 : "'gpkg_related_tables', 'related_tables'"
1217 : #ifdef HAVE_SPATIALITE
1218 : ", 'gdal_spatialite_computed_geom_column'"
1219 : #endif
1220 1438 : ")");
1221 719 : const int nTableLimit = GetOGRTableLimit();
1222 719 : if (nTableLimit > 0)
1223 : {
1224 719 : osSQL += " LIMIT ";
1225 719 : osSQL += CPLSPrintf("%d", 1 + 10 * nTableLimit);
1226 : }
1227 :
1228 719 : auto oResult = SQLQuery(hDB, osSQL);
1229 719 : if (oResult)
1230 : {
1231 1374 : for (int i = 0; i < oResult->RowCount(); i++)
1232 : {
1233 655 : const char *pszTableName = oResult->GetValue(0, i);
1234 655 : const char *pszExtensionName = oResult->GetValue(1, i);
1235 655 : const char *pszDefinition = oResult->GetValue(2, i);
1236 655 : const char *pszScope = oResult->GetValue(3, i);
1237 655 : if (pszTableName && pszExtensionName && pszDefinition && pszScope)
1238 : {
1239 655 : GPKGExtensionDesc oDesc;
1240 655 : oDesc.osExtensionName = pszExtensionName;
1241 655 : oDesc.osDefinition = pszDefinition;
1242 655 : oDesc.osScope = pszScope;
1243 1310 : m_oMapTableToExtensions[CPLString(pszTableName).toupper()]
1244 655 : .push_back(std::move(oDesc));
1245 : }
1246 : }
1247 : }
1248 :
1249 719 : return m_oMapTableToExtensions;
1250 : }
1251 :
1252 : /************************************************************************/
1253 : /* GetContents() */
1254 : /************************************************************************/
1255 :
1256 : const std::map<CPLString, GPKGContentsDesc> &
1257 830 : GDALGeoPackageDataset::GetContents()
1258 : {
1259 830 : if (m_bMapTableToContentsBuilt)
1260 73 : return m_oMapTableToContents;
1261 757 : m_bMapTableToContentsBuilt = true;
1262 :
1263 : CPLString osSQL("SELECT table_name, data_type, identifier, "
1264 : "description, min_x, min_y, max_x, max_y "
1265 1514 : "FROM gpkg_contents");
1266 757 : const int nTableLimit = GetOGRTableLimit();
1267 757 : if (nTableLimit > 0)
1268 : {
1269 757 : osSQL += " LIMIT ";
1270 757 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1271 : }
1272 :
1273 757 : auto oResult = SQLQuery(hDB, osSQL);
1274 757 : if (oResult)
1275 : {
1276 1632 : for (int i = 0; i < oResult->RowCount(); i++)
1277 : {
1278 875 : const char *pszTableName = oResult->GetValue(0, i);
1279 875 : if (pszTableName == nullptr)
1280 0 : continue;
1281 875 : const char *pszDataType = oResult->GetValue(1, i);
1282 875 : const char *pszIdentifier = oResult->GetValue(2, i);
1283 875 : const char *pszDescription = oResult->GetValue(3, i);
1284 875 : const char *pszMinX = oResult->GetValue(4, i);
1285 875 : const char *pszMinY = oResult->GetValue(5, i);
1286 875 : const char *pszMaxX = oResult->GetValue(6, i);
1287 875 : const char *pszMaxY = oResult->GetValue(7, i);
1288 875 : GPKGContentsDesc oDesc;
1289 875 : if (pszDataType)
1290 875 : oDesc.osDataType = pszDataType;
1291 875 : if (pszIdentifier)
1292 875 : oDesc.osIdentifier = pszIdentifier;
1293 875 : if (pszDescription)
1294 874 : oDesc.osDescription = pszDescription;
1295 875 : if (pszMinX)
1296 597 : oDesc.osMinX = pszMinX;
1297 875 : if (pszMinY)
1298 597 : oDesc.osMinY = pszMinY;
1299 875 : if (pszMaxX)
1300 597 : oDesc.osMaxX = pszMaxX;
1301 875 : if (pszMaxY)
1302 597 : oDesc.osMaxY = pszMaxY;
1303 1750 : m_oMapTableToContents[CPLString(pszTableName).toupper()] =
1304 1750 : std::move(oDesc);
1305 : }
1306 : }
1307 :
1308 757 : return m_oMapTableToContents;
1309 : }
1310 :
1311 : /************************************************************************/
1312 : /* Open() */
1313 : /************************************************************************/
1314 :
1315 1210 : int GDALGeoPackageDataset::Open(GDALOpenInfo *poOpenInfo,
1316 : const std::string &osFilenameInZip)
1317 : {
1318 1210 : m_osFilenameInZip = osFilenameInZip;
1319 1210 : CPLAssert(m_apoLayers.empty());
1320 1210 : CPLAssert(hDB == nullptr);
1321 :
1322 1210 : SetDescription(poOpenInfo->pszFilename);
1323 2420 : CPLString osFilename(poOpenInfo->pszFilename);
1324 2420 : CPLString osSubdatasetTableName;
1325 : GByte abyHeaderLetMeHerePlease[100];
1326 1210 : const GByte *pabyHeader = poOpenInfo->pabyHeader;
1327 1210 : if (STARTS_WITH_CI(poOpenInfo->pszFilename, "GPKG:"))
1328 : {
1329 245 : char **papszTokens = CSLTokenizeString2(poOpenInfo->pszFilename, ":",
1330 : CSLT_HONOURSTRINGS);
1331 245 : int nCount = CSLCount(papszTokens);
1332 245 : if (nCount < 2)
1333 : {
1334 0 : CSLDestroy(papszTokens);
1335 0 : return FALSE;
1336 : }
1337 :
1338 245 : if (nCount <= 3)
1339 : {
1340 243 : osFilename = papszTokens[1];
1341 : }
1342 : /* GPKG:C:\BLA.GPKG:foo */
1343 2 : else if (nCount == 4 && strlen(papszTokens[1]) == 1 &&
1344 2 : (papszTokens[2][0] == '/' || papszTokens[2][0] == '\\'))
1345 : {
1346 2 : osFilename = CPLString(papszTokens[1]) + ":" + papszTokens[2];
1347 : }
1348 : // GPKG:/vsicurl/http[s]://[user:passwd@]example.com[:8080]/foo.gpkg:bar
1349 0 : else if (/*nCount >= 4 && */
1350 0 : (EQUAL(papszTokens[1], "/vsicurl/http") ||
1351 0 : EQUAL(papszTokens[1], "/vsicurl/https")))
1352 : {
1353 0 : osFilename = CPLString(papszTokens[1]);
1354 0 : for (int i = 2; i < nCount - 1; i++)
1355 : {
1356 0 : osFilename += ':';
1357 0 : osFilename += papszTokens[i];
1358 : }
1359 : }
1360 245 : if (nCount >= 3)
1361 14 : osSubdatasetTableName = papszTokens[nCount - 1];
1362 :
1363 245 : CSLDestroy(papszTokens);
1364 245 : VSILFILE *fp = VSIFOpenL(osFilename, "rb");
1365 245 : if (fp != nullptr)
1366 : {
1367 245 : VSIFReadL(abyHeaderLetMeHerePlease, 1, 100, fp);
1368 245 : VSIFCloseL(fp);
1369 : }
1370 245 : pabyHeader = abyHeaderLetMeHerePlease;
1371 : }
1372 965 : else if (poOpenInfo->pabyHeader &&
1373 965 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1374 : "SQLite format 3"))
1375 : {
1376 958 : m_bCallUndeclareFileNotToOpen = true;
1377 958 : GDALOpenInfoDeclareFileNotToOpen(osFilename, poOpenInfo->pabyHeader,
1378 : poOpenInfo->nHeaderBytes);
1379 : }
1380 :
1381 1210 : eAccess = poOpenInfo->eAccess;
1382 1210 : if (!m_osFilenameInZip.empty())
1383 : {
1384 2 : m_pszFilename = CPLStrdup(CPLSPrintf(
1385 : "/vsizip/{%s}/%s", osFilename.c_str(), m_osFilenameInZip.c_str()));
1386 : }
1387 : else
1388 : {
1389 1208 : m_pszFilename = CPLStrdup(osFilename);
1390 : }
1391 :
1392 1210 : if (poOpenInfo->papszOpenOptions)
1393 : {
1394 100 : CSLDestroy(papszOpenOptions);
1395 100 : papszOpenOptions = CSLDuplicate(poOpenInfo->papszOpenOptions);
1396 : }
1397 :
1398 : #ifdef ENABLE_SQL_GPKG_FORMAT
1399 1210 : if (poOpenInfo->pabyHeader &&
1400 965 : STARTS_WITH(reinterpret_cast<const char *>(poOpenInfo->pabyHeader),
1401 5 : "-- SQL GPKG") &&
1402 5 : poOpenInfo->fpL != nullptr)
1403 : {
1404 5 : if (sqlite3_open_v2(":memory:", &hDB, SQLITE_OPEN_READWRITE, nullptr) !=
1405 : SQLITE_OK)
1406 : {
1407 0 : return FALSE;
1408 : }
1409 :
1410 5 : InstallSQLFunctions();
1411 :
1412 : // Ingest the lines of the dump
1413 5 : VSIFSeekL(poOpenInfo->fpL, 0, SEEK_SET);
1414 : const char *pszLine;
1415 76 : while ((pszLine = CPLReadLineL(poOpenInfo->fpL)) != nullptr)
1416 : {
1417 71 : if (STARTS_WITH(pszLine, "--"))
1418 5 : continue;
1419 :
1420 66 : if (!SQLCheckLineIsSafe(pszLine))
1421 0 : return false;
1422 :
1423 66 : char *pszErrMsg = nullptr;
1424 66 : if (sqlite3_exec(hDB, pszLine, nullptr, nullptr, &pszErrMsg) !=
1425 : SQLITE_OK)
1426 : {
1427 0 : if (pszErrMsg)
1428 0 : CPLDebug("SQLITE", "Error %s", pszErrMsg);
1429 : }
1430 66 : sqlite3_free(pszErrMsg);
1431 5 : }
1432 : }
1433 :
1434 1205 : else if (pabyHeader != nullptr)
1435 : #endif
1436 : {
1437 1205 : if (poOpenInfo->fpL)
1438 : {
1439 : // See above comment about -wal locking for the importance of
1440 : // closing that file, prior to calling sqlite3_open()
1441 860 : VSIFCloseL(poOpenInfo->fpL);
1442 860 : poOpenInfo->fpL = nullptr;
1443 : }
1444 :
1445 : /* See if we can open the SQLite database */
1446 1205 : if (!OpenOrCreateDB(GetUpdate() ? SQLITE_OPEN_READWRITE
1447 : : SQLITE_OPEN_READONLY))
1448 2 : return FALSE;
1449 :
1450 1203 : memcpy(&m_nApplicationId, pabyHeader + knApplicationIdPos, 4);
1451 1203 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
1452 1203 : memcpy(&m_nUserVersion, pabyHeader + knUserVersionPos, 4);
1453 1203 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
1454 1203 : if (m_nApplicationId == GP10_APPLICATION_ID)
1455 : {
1456 7 : CPLDebug("GPKG", "GeoPackage v1.0");
1457 : }
1458 1196 : else if (m_nApplicationId == GP11_APPLICATION_ID)
1459 : {
1460 2 : CPLDebug("GPKG", "GeoPackage v1.1");
1461 : }
1462 1194 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
1463 1190 : m_nUserVersion >= GPKG_1_2_VERSION)
1464 : {
1465 1188 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
1466 1188 : (m_nUserVersion % 10000) / 100, m_nUserVersion % 100);
1467 : }
1468 : }
1469 :
1470 : /* Requirement 6: The SQLite PRAGMA integrity_check SQL command SHALL return
1471 : * “ok” */
1472 : /* http://opengis.github.io/geopackage/#_file_integrity */
1473 : /* Disable integrity check by default, since it is expensive on big files */
1474 1208 : if (CPLTestBool(CPLGetConfigOption("OGR_GPKG_INTEGRITY_CHECK", "NO")) &&
1475 0 : OGRERR_NONE != PragmaCheck("integrity_check", "ok", 1))
1476 : {
1477 0 : CPLError(CE_Failure, CPLE_AppDefined,
1478 : "pragma integrity_check on '%s' failed", m_pszFilename);
1479 0 : return FALSE;
1480 : }
1481 :
1482 : /* Requirement 7: The SQLite PRAGMA foreign_key_check() SQL with no */
1483 : /* parameter value SHALL return an empty result set */
1484 : /* http://opengis.github.io/geopackage/#_file_integrity */
1485 : /* Disable the check by default, since it is to corrupt databases, and */
1486 : /* that causes issues to downstream software that can't open them. */
1487 1208 : if (CPLTestBool(CPLGetConfigOption("OGR_GPKG_FOREIGN_KEY_CHECK", "NO")) &&
1488 0 : OGRERR_NONE != PragmaCheck("foreign_key_check", "", 0))
1489 : {
1490 0 : CPLError(CE_Failure, CPLE_AppDefined,
1491 : "pragma foreign_key_check on '%s' failed.", m_pszFilename);
1492 0 : return FALSE;
1493 : }
1494 :
1495 : /* Check for requirement metadata tables */
1496 : /* Requirement 10: gpkg_spatial_ref_sys must exist */
1497 : /* Requirement 13: gpkg_contents must exist */
1498 1208 : if (SQLGetInteger(hDB,
1499 : "SELECT COUNT(*) FROM sqlite_master WHERE "
1500 : "name IN ('gpkg_spatial_ref_sys', 'gpkg_contents') AND "
1501 : "type IN ('table', 'view')",
1502 1208 : nullptr) != 2)
1503 : {
1504 0 : CPLError(CE_Failure, CPLE_AppDefined,
1505 : "At least one of the required GeoPackage tables, "
1506 : "gpkg_spatial_ref_sys or gpkg_contents, is missing");
1507 0 : return FALSE;
1508 : }
1509 :
1510 1208 : DetectSpatialRefSysColumns();
1511 :
1512 : #ifdef ENABLE_GPKG_OGR_CONTENTS
1513 1208 : if (SQLGetInteger(hDB,
1514 : "SELECT 1 FROM sqlite_master WHERE "
1515 : "name = 'gpkg_ogr_contents' AND type = 'table'",
1516 1208 : nullptr) == 1)
1517 : {
1518 1200 : m_bHasGPKGOGRContents = true;
1519 : }
1520 : #endif
1521 :
1522 1208 : CheckUnknownExtensions();
1523 :
1524 1208 : int bRet = FALSE;
1525 1208 : bool bHasGPKGExtRelations = false;
1526 1208 : if (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR)
1527 : {
1528 1021 : m_bHasGPKGGeometryColumns =
1529 1021 : SQLGetInteger(hDB,
1530 : "SELECT 1 FROM sqlite_master WHERE "
1531 : "name = 'gpkg_geometry_columns' AND "
1532 : "type IN ('table', 'view')",
1533 1021 : nullptr) == 1;
1534 1021 : bHasGPKGExtRelations = HasGpkgextRelationsTable();
1535 : }
1536 1208 : if (m_bHasGPKGGeometryColumns)
1537 : {
1538 : /* Load layer definitions for all tables in gpkg_contents &
1539 : * gpkg_geometry_columns */
1540 : /* and non-spatial tables as well */
1541 : std::string osSQL =
1542 : "SELECT c.table_name, c.identifier, 1 as is_spatial, "
1543 : "g.column_name, g.geometry_type_name, g.z, g.m, c.min_x, c.min_y, "
1544 : "c.max_x, c.max_y, 1 AS is_in_gpkg_contents, "
1545 : "(SELECT type FROM sqlite_master WHERE lower(name) = "
1546 : "lower(c.table_name) AND type IN ('table', 'view')) AS object_type "
1547 : " FROM gpkg_geometry_columns g "
1548 : " JOIN gpkg_contents c ON (g.table_name = c.table_name)"
1549 : " WHERE "
1550 : " c.table_name <> 'ogr_empty_table' AND"
1551 : " c.data_type = 'features' "
1552 : // aspatial: Was the only method available in OGR 2.0 and 2.1
1553 : // attributes: GPKG 1.2 or later
1554 : "UNION ALL "
1555 : "SELECT table_name, identifier, 0 as is_spatial, NULL, NULL, 0, 0, "
1556 : "0 AS xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 1 AS "
1557 : "is_in_gpkg_contents, "
1558 : "(SELECT type FROM sqlite_master WHERE lower(name) = "
1559 : "lower(table_name) AND type IN ('table', 'view')) AS object_type "
1560 : " FROM gpkg_contents"
1561 1020 : " WHERE data_type IN ('aspatial', 'attributes') ";
1562 :
1563 2040 : const char *pszListAllTables = CSLFetchNameValueDef(
1564 1020 : poOpenInfo->papszOpenOptions, "LIST_ALL_TABLES", "AUTO");
1565 1020 : bool bHasASpatialOrAttributes = HasGDALAspatialExtension();
1566 1020 : if (!bHasASpatialOrAttributes)
1567 : {
1568 : auto oResultTable =
1569 : SQLQuery(hDB, "SELECT * FROM gpkg_contents WHERE "
1570 1019 : "data_type = 'attributes' LIMIT 1");
1571 1019 : bHasASpatialOrAttributes =
1572 1019 : (oResultTable && oResultTable->RowCount() == 1);
1573 : }
1574 1020 : if (bHasGPKGExtRelations)
1575 : {
1576 : osSQL += "UNION ALL "
1577 : "SELECT mapping_table_name, mapping_table_name, 0 as "
1578 : "is_spatial, NULL, NULL, 0, 0, 0 AS "
1579 : "xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 0 AS "
1580 : "is_in_gpkg_contents, 'table' AS object_type "
1581 : "FROM gpkgext_relations WHERE "
1582 : "lower(mapping_table_name) NOT IN (SELECT "
1583 : "lower(table_name) FROM gpkg_contents) AND "
1584 : "EXISTS (SELECT 1 FROM sqlite_master WHERE "
1585 : "type IN ('table', 'view') AND "
1586 18 : "lower(name) = lower(mapping_table_name))";
1587 : }
1588 1020 : if (EQUAL(pszListAllTables, "YES") ||
1589 1019 : (!bHasASpatialOrAttributes && EQUAL(pszListAllTables, "AUTO")))
1590 : {
1591 : // vgpkg_ is Spatialite virtual table
1592 : osSQL +=
1593 : "UNION ALL "
1594 : "SELECT name, name, 0 as is_spatial, NULL, NULL, 0, 0, 0 AS "
1595 : "xmin, 0 AS ymin, 0 AS xmax, 0 AS ymax, 0 AS "
1596 : "is_in_gpkg_contents, type AS object_type "
1597 : "FROM sqlite_master WHERE type IN ('table', 'view') "
1598 : "AND name NOT LIKE 'gpkg_%' "
1599 : "AND name NOT LIKE 'vgpkg_%' "
1600 : "AND name NOT LIKE 'rtree_%' AND name NOT LIKE 'sqlite_%' "
1601 : // Avoid reading those views from simple_sewer_features.gpkg
1602 : "AND name NOT IN ('st_spatial_ref_sys', 'spatial_ref_sys', "
1603 : "'st_geometry_columns', 'geometry_columns') "
1604 : "AND lower(name) NOT IN (SELECT lower(table_name) FROM "
1605 961 : "gpkg_contents)";
1606 961 : if (bHasGPKGExtRelations)
1607 : {
1608 : osSQL += " AND lower(name) NOT IN (SELECT "
1609 : "lower(mapping_table_name) FROM "
1610 13 : "gpkgext_relations)";
1611 : }
1612 : }
1613 1020 : const int nTableLimit = GetOGRTableLimit();
1614 1020 : if (nTableLimit > 0)
1615 : {
1616 1020 : osSQL += " LIMIT ";
1617 1020 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1618 : }
1619 :
1620 1020 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1621 1020 : if (!oResult)
1622 : {
1623 0 : return FALSE;
1624 : }
1625 :
1626 1020 : if (nTableLimit > 0 && oResult->RowCount() > nTableLimit)
1627 : {
1628 1 : CPLError(CE_Warning, CPLE_AppDefined,
1629 : "File has more than %d vector tables. "
1630 : "Limiting to first %d (can be overridden with "
1631 : "OGR_TABLE_LIMIT config option)",
1632 : nTableLimit, nTableLimit);
1633 1 : oResult->LimitRowCount(nTableLimit);
1634 : }
1635 :
1636 1020 : if (oResult->RowCount() > 0)
1637 : {
1638 904 : bRet = TRUE;
1639 :
1640 904 : m_apoLayers.reserve(oResult->RowCount());
1641 :
1642 1808 : std::map<std::string, int> oMapTableRefCount;
1643 4004 : for (int i = 0; i < oResult->RowCount(); i++)
1644 : {
1645 3100 : const char *pszTableName = oResult->GetValue(0, i);
1646 3100 : if (pszTableName == nullptr)
1647 0 : continue;
1648 3100 : if (++oMapTableRefCount[pszTableName] == 2)
1649 : {
1650 : // This should normally not happen if all constraints are
1651 : // properly set
1652 2 : CPLError(CE_Warning, CPLE_AppDefined,
1653 : "Table %s appearing several times in "
1654 : "gpkg_contents and/or gpkg_geometry_columns",
1655 : pszTableName);
1656 : }
1657 : }
1658 :
1659 1808 : std::set<std::string> oExistingLayers;
1660 4004 : for (int i = 0; i < oResult->RowCount(); i++)
1661 : {
1662 3100 : const char *pszTableName = oResult->GetValue(0, i);
1663 3100 : if (pszTableName == nullptr)
1664 2 : continue;
1665 : const bool bTableHasSeveralGeomColumns =
1666 3100 : oMapTableRefCount[pszTableName] > 1;
1667 3100 : bool bIsSpatial = CPL_TO_BOOL(oResult->GetValueAsInteger(2, i));
1668 3100 : const char *pszGeomColName = oResult->GetValue(3, i);
1669 3100 : const char *pszGeomType = oResult->GetValue(4, i);
1670 3100 : const char *pszZ = oResult->GetValue(5, i);
1671 3100 : const char *pszM = oResult->GetValue(6, i);
1672 : bool bIsInGpkgContents =
1673 3100 : CPL_TO_BOOL(oResult->GetValueAsInteger(11, i));
1674 3100 : if (!bIsInGpkgContents)
1675 44 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound = true;
1676 3100 : const char *pszObjectType = oResult->GetValue(12, i);
1677 3100 : if (pszObjectType == nullptr ||
1678 3099 : !(EQUAL(pszObjectType, "table") ||
1679 21 : EQUAL(pszObjectType, "view")))
1680 : {
1681 1 : CPLError(CE_Warning, CPLE_AppDefined,
1682 : "Table/view %s is referenced in gpkg_contents, "
1683 : "but does not exist",
1684 : pszTableName);
1685 1 : continue;
1686 : }
1687 : // Non-standard and undocumented behavior:
1688 : // if the same table appears to have several geometry columns,
1689 : // handle it for now as multiple layers named
1690 : // "table_name (geom_col_name)"
1691 : // The way we handle that might change in the future (e.g
1692 : // could be a single layer with multiple geometry columns)
1693 : std::string osLayerNameWithGeomColName =
1694 6078 : pszGeomColName ? std::string(pszTableName) + " (" +
1695 : pszGeomColName + ')'
1696 6198 : : std::string(pszTableName);
1697 3099 : if (cpl::contains(oExistingLayers, osLayerNameWithGeomColName))
1698 1 : continue;
1699 3098 : oExistingLayers.insert(osLayerNameWithGeomColName);
1700 : const std::string osLayerName =
1701 : bTableHasSeveralGeomColumns
1702 3 : ? std::move(osLayerNameWithGeomColName)
1703 6199 : : std::string(pszTableName);
1704 : auto poLayer = std::make_unique<OGRGeoPackageTableLayer>(
1705 6196 : this, osLayerName.c_str());
1706 3098 : bool bHasZ = pszZ && atoi(pszZ) > 0;
1707 3098 : bool bHasM = pszM && atoi(pszM) > 0;
1708 3098 : if (pszGeomType && EQUAL(pszGeomType, "GEOMETRY"))
1709 : {
1710 615 : if (pszZ && atoi(pszZ) == 2)
1711 7 : bHasZ = false;
1712 615 : if (pszM && atoi(pszM) == 2)
1713 6 : bHasM = false;
1714 : }
1715 3098 : poLayer->SetOpeningParameters(
1716 : pszTableName, pszObjectType, bIsInGpkgContents, bIsSpatial,
1717 : pszGeomColName, pszGeomType, bHasZ, bHasM);
1718 3098 : m_apoLayers.push_back(std::move(poLayer));
1719 : }
1720 : }
1721 : }
1722 :
1723 1208 : bool bHasTileMatrixSet = false;
1724 1208 : if (poOpenInfo->nOpenFlags & GDAL_OF_RASTER)
1725 : {
1726 570 : bHasTileMatrixSet = SQLGetInteger(hDB,
1727 : "SELECT 1 FROM sqlite_master WHERE "
1728 : "name = 'gpkg_tile_matrix_set' AND "
1729 : "type IN ('table', 'view')",
1730 : nullptr) == 1;
1731 : }
1732 1208 : if (bHasTileMatrixSet)
1733 : {
1734 : std::string osSQL =
1735 : "SELECT c.table_name, c.identifier, c.description, c.srs_id, "
1736 : "c.min_x, c.min_y, c.max_x, c.max_y, "
1737 : "tms.min_x, tms.min_y, tms.max_x, tms.max_y, c.data_type "
1738 : "FROM gpkg_contents c JOIN gpkg_tile_matrix_set tms ON "
1739 : "c.table_name = tms.table_name WHERE "
1740 568 : "data_type IN ('tiles', '2d-gridded-coverage')";
1741 568 : if (CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE"))
1742 : osSubdatasetTableName =
1743 2 : CSLFetchNameValue(poOpenInfo->papszOpenOptions, "TABLE");
1744 568 : if (!osSubdatasetTableName.empty())
1745 : {
1746 16 : char *pszTmp = sqlite3_mprintf(" AND c.table_name='%q'",
1747 : osSubdatasetTableName.c_str());
1748 16 : osSQL += pszTmp;
1749 16 : sqlite3_free(pszTmp);
1750 16 : SetPhysicalFilename(osFilename.c_str());
1751 : }
1752 568 : const int nTableLimit = GetOGRTableLimit();
1753 568 : if (nTableLimit > 0)
1754 : {
1755 568 : osSQL += " LIMIT ";
1756 568 : osSQL += CPLSPrintf("%d", 1 + nTableLimit);
1757 : }
1758 :
1759 568 : auto oResult = SQLQuery(hDB, osSQL.c_str());
1760 568 : if (!oResult)
1761 : {
1762 0 : return FALSE;
1763 : }
1764 :
1765 568 : if (oResult->RowCount() == 0 && !osSubdatasetTableName.empty())
1766 : {
1767 1 : CPLError(CE_Failure, CPLE_AppDefined,
1768 : "Cannot find table '%s' in GeoPackage dataset",
1769 : osSubdatasetTableName.c_str());
1770 : }
1771 567 : else if (oResult->RowCount() == 1)
1772 : {
1773 274 : const char *pszTableName = oResult->GetValue(0, 0);
1774 274 : const char *pszIdentifier = oResult->GetValue(1, 0);
1775 274 : const char *pszDescription = oResult->GetValue(2, 0);
1776 274 : const char *pszSRSId = oResult->GetValue(3, 0);
1777 274 : const char *pszMinX = oResult->GetValue(4, 0);
1778 274 : const char *pszMinY = oResult->GetValue(5, 0);
1779 274 : const char *pszMaxX = oResult->GetValue(6, 0);
1780 274 : const char *pszMaxY = oResult->GetValue(7, 0);
1781 274 : const char *pszTMSMinX = oResult->GetValue(8, 0);
1782 274 : const char *pszTMSMinY = oResult->GetValue(9, 0);
1783 274 : const char *pszTMSMaxX = oResult->GetValue(10, 0);
1784 274 : const char *pszTMSMaxY = oResult->GetValue(11, 0);
1785 274 : const char *pszDataType = oResult->GetValue(12, 0);
1786 274 : if (pszTableName && pszTMSMinX && pszTMSMinY && pszTMSMaxX &&
1787 : pszTMSMaxY)
1788 : {
1789 548 : bRet = OpenRaster(
1790 : pszTableName, pszIdentifier, pszDescription,
1791 274 : pszSRSId ? atoi(pszSRSId) : 0, CPLAtof(pszTMSMinX),
1792 : CPLAtof(pszTMSMinY), CPLAtof(pszTMSMaxX),
1793 : CPLAtof(pszTMSMaxY), pszMinX, pszMinY, pszMaxX, pszMaxY,
1794 274 : EQUAL(pszDataType, "tiles"), poOpenInfo->papszOpenOptions);
1795 : }
1796 : }
1797 293 : else if (oResult->RowCount() >= 1)
1798 : {
1799 5 : bRet = TRUE;
1800 :
1801 5 : if (nTableLimit > 0 && oResult->RowCount() > nTableLimit)
1802 : {
1803 1 : CPLError(CE_Warning, CPLE_AppDefined,
1804 : "File has more than %d raster tables. "
1805 : "Limiting to first %d (can be overridden with "
1806 : "OGR_TABLE_LIMIT config option)",
1807 : nTableLimit, nTableLimit);
1808 1 : oResult->LimitRowCount(nTableLimit);
1809 : }
1810 :
1811 5 : int nSDSCount = 0;
1812 2013 : for (int i = 0; i < oResult->RowCount(); i++)
1813 : {
1814 2008 : const char *pszTableName = oResult->GetValue(0, i);
1815 2008 : const char *pszIdentifier = oResult->GetValue(1, i);
1816 2008 : if (pszTableName == nullptr)
1817 0 : continue;
1818 : m_aosSubDatasets.AddNameValue(
1819 : CPLSPrintf("SUBDATASET_%d_NAME", nSDSCount + 1),
1820 2008 : CPLSPrintf("GPKG:%s:%s", m_pszFilename, pszTableName));
1821 : m_aosSubDatasets.AddNameValue(
1822 : CPLSPrintf("SUBDATASET_%d_DESC", nSDSCount + 1),
1823 : pszIdentifier
1824 2008 : ? CPLSPrintf("%s - %s", pszTableName, pszIdentifier)
1825 4016 : : pszTableName);
1826 2008 : nSDSCount++;
1827 : }
1828 : }
1829 : }
1830 :
1831 1208 : if (!bRet && (poOpenInfo->nOpenFlags & GDAL_OF_VECTOR))
1832 : {
1833 32 : if ((poOpenInfo->nOpenFlags & GDAL_OF_UPDATE))
1834 : {
1835 21 : bRet = TRUE;
1836 : }
1837 : else
1838 : {
1839 11 : CPLDebug("GPKG",
1840 : "This GeoPackage has no vector content and is opened "
1841 : "in read-only mode. If you open it in update mode, "
1842 : "opening will be successful.");
1843 : }
1844 : }
1845 :
1846 1208 : if (eAccess == GA_Update)
1847 : {
1848 246 : FixupWrongRTreeTrigger();
1849 246 : FixupWrongMedataReferenceColumnNameUpdate();
1850 : }
1851 :
1852 1208 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
1853 :
1854 1208 : return bRet;
1855 : }
1856 :
1857 : /************************************************************************/
1858 : /* DetectSpatialRefSysColumns() */
1859 : /************************************************************************/
1860 :
1861 1218 : void GDALGeoPackageDataset::DetectSpatialRefSysColumns()
1862 : {
1863 : // Detect definition_12_063 column
1864 : {
1865 1218 : sqlite3_stmt *hSQLStmt = nullptr;
1866 1218 : int rc = sqlite3_prepare_v2(
1867 : hDB, "SELECT definition_12_063 FROM gpkg_spatial_ref_sys ", -1,
1868 : &hSQLStmt, nullptr);
1869 1218 : if (rc == SQLITE_OK)
1870 : {
1871 85 : m_bHasDefinition12_063 = true;
1872 85 : sqlite3_finalize(hSQLStmt);
1873 : }
1874 : }
1875 :
1876 : // Detect epoch column
1877 1218 : if (m_bHasDefinition12_063)
1878 : {
1879 85 : sqlite3_stmt *hSQLStmt = nullptr;
1880 : int rc =
1881 85 : sqlite3_prepare_v2(hDB, "SELECT epoch FROM gpkg_spatial_ref_sys ",
1882 : -1, &hSQLStmt, nullptr);
1883 85 : if (rc == SQLITE_OK)
1884 : {
1885 76 : m_bHasEpochColumn = true;
1886 76 : sqlite3_finalize(hSQLStmt);
1887 : }
1888 : }
1889 1218 : }
1890 :
1891 : /************************************************************************/
1892 : /* FixupWrongRTreeTrigger() */
1893 : /************************************************************************/
1894 :
1895 246 : void GDALGeoPackageDataset::FixupWrongRTreeTrigger()
1896 : {
1897 : auto oResult = SQLQuery(
1898 : hDB,
1899 : "SELECT name, sql FROM sqlite_master WHERE type = 'trigger' AND "
1900 246 : "NAME LIKE 'rtree_%_update3' AND sql LIKE '% AFTER UPDATE OF % ON %'");
1901 246 : if (oResult == nullptr)
1902 0 : return;
1903 246 : if (oResult->RowCount() > 0)
1904 : {
1905 1 : CPLDebug("GPKG", "Fixing incorrect trigger(s) related to RTree");
1906 : }
1907 248 : for (int i = 0; i < oResult->RowCount(); i++)
1908 : {
1909 2 : const char *pszName = oResult->GetValue(0, i);
1910 2 : const char *pszSQL = oResult->GetValue(1, i);
1911 2 : const char *pszPtr1 = strstr(pszSQL, " AFTER UPDATE OF ");
1912 2 : if (pszPtr1)
1913 : {
1914 2 : const char *pszPtr = pszPtr1 + strlen(" AFTER UPDATE OF ");
1915 : // Skipping over geometry column name
1916 4 : while (*pszPtr == ' ')
1917 2 : pszPtr++;
1918 2 : if (pszPtr[0] == '"' || pszPtr[0] == '\'')
1919 : {
1920 1 : char chStringDelim = pszPtr[0];
1921 1 : pszPtr++;
1922 9 : while (*pszPtr != '\0' && *pszPtr != chStringDelim)
1923 : {
1924 8 : if (*pszPtr == '\\' && pszPtr[1] == chStringDelim)
1925 0 : pszPtr += 2;
1926 : else
1927 8 : pszPtr += 1;
1928 : }
1929 1 : if (*pszPtr == chStringDelim)
1930 1 : pszPtr++;
1931 : }
1932 : else
1933 : {
1934 1 : pszPtr++;
1935 8 : while (*pszPtr != ' ')
1936 7 : pszPtr++;
1937 : }
1938 2 : if (*pszPtr == ' ')
1939 : {
1940 2 : SQLCommand(hDB,
1941 4 : ("DROP TRIGGER \"" + SQLEscapeName(pszName) + "\"")
1942 : .c_str());
1943 4 : CPLString newSQL;
1944 2 : newSQL.assign(pszSQL, pszPtr1 - pszSQL);
1945 2 : newSQL += " AFTER UPDATE";
1946 2 : newSQL += pszPtr;
1947 2 : SQLCommand(hDB, newSQL);
1948 : }
1949 : }
1950 : }
1951 : }
1952 :
1953 : /************************************************************************/
1954 : /* FixupWrongMedataReferenceColumnNameUpdate() */
1955 : /************************************************************************/
1956 :
1957 246 : void GDALGeoPackageDataset::FixupWrongMedataReferenceColumnNameUpdate()
1958 : {
1959 : // Fix wrong trigger that was generated by GDAL < 2.4.0
1960 : // See https://github.com/qgis/QGIS/issues/42768
1961 : auto oResult = SQLQuery(
1962 : hDB, "SELECT sql FROM sqlite_master WHERE type = 'trigger' AND "
1963 : "NAME ='gpkg_metadata_reference_column_name_update' AND "
1964 246 : "sql LIKE '%column_nameIS%'");
1965 246 : if (oResult == nullptr)
1966 0 : return;
1967 246 : if (oResult->RowCount() == 1)
1968 : {
1969 1 : CPLDebug("GPKG", "Fixing incorrect trigger "
1970 : "gpkg_metadata_reference_column_name_update");
1971 1 : const char *pszSQL = oResult->GetValue(0, 0);
1972 : std::string osNewSQL(
1973 3 : CPLString(pszSQL).replaceAll("column_nameIS", "column_name IS"));
1974 :
1975 1 : SQLCommand(hDB,
1976 : "DROP TRIGGER gpkg_metadata_reference_column_name_update");
1977 1 : SQLCommand(hDB, osNewSQL.c_str());
1978 : }
1979 : }
1980 :
1981 : /************************************************************************/
1982 : /* ClearCachedRelationships() */
1983 : /************************************************************************/
1984 :
1985 36 : void GDALGeoPackageDataset::ClearCachedRelationships()
1986 : {
1987 36 : m_bHasPopulatedRelationships = false;
1988 36 : m_osMapRelationships.clear();
1989 36 : }
1990 :
1991 : /************************************************************************/
1992 : /* LoadRelationships() */
1993 : /************************************************************************/
1994 :
1995 83 : void GDALGeoPackageDataset::LoadRelationships() const
1996 : {
1997 83 : m_osMapRelationships.clear();
1998 :
1999 83 : std::vector<std::string> oExcludedTables;
2000 83 : if (HasGpkgextRelationsTable())
2001 : {
2002 37 : LoadRelationshipsUsingRelatedTablesExtension();
2003 :
2004 89 : for (const auto &oRelationship : m_osMapRelationships)
2005 : {
2006 : oExcludedTables.emplace_back(
2007 52 : oRelationship.second->GetMappingTableName());
2008 : }
2009 : }
2010 :
2011 : // Also load relationships defined using foreign keys (i.e. one-to-many
2012 : // relationships). Here we must exclude any relationships defined from the
2013 : // related tables extension, we don't want them included twice.
2014 83 : LoadRelationshipsFromForeignKeys(oExcludedTables);
2015 83 : m_bHasPopulatedRelationships = true;
2016 83 : }
2017 :
2018 : /************************************************************************/
2019 : /* LoadRelationshipsUsingRelatedTablesExtension() */
2020 : /************************************************************************/
2021 :
2022 37 : void GDALGeoPackageDataset::LoadRelationshipsUsingRelatedTablesExtension() const
2023 : {
2024 37 : m_osMapRelationships.clear();
2025 :
2026 : auto oResultTable = SQLQuery(
2027 37 : hDB, "SELECT base_table_name, base_primary_column, "
2028 : "related_table_name, related_primary_column, relation_name, "
2029 74 : "mapping_table_name FROM gpkgext_relations");
2030 37 : if (oResultTable && oResultTable->RowCount() > 0)
2031 : {
2032 86 : for (int i = 0; i < oResultTable->RowCount(); i++)
2033 : {
2034 53 : const char *pszBaseTableName = oResultTable->GetValue(0, i);
2035 53 : if (!pszBaseTableName)
2036 : {
2037 0 : CPLError(CE_Warning, CPLE_AppDefined,
2038 : "Could not retrieve base_table_name from "
2039 : "gpkgext_relations");
2040 1 : continue;
2041 : }
2042 53 : const char *pszBasePrimaryColumn = oResultTable->GetValue(1, i);
2043 53 : if (!pszBasePrimaryColumn)
2044 : {
2045 0 : CPLError(CE_Warning, CPLE_AppDefined,
2046 : "Could not retrieve base_primary_column from "
2047 : "gpkgext_relations");
2048 0 : continue;
2049 : }
2050 53 : const char *pszRelatedTableName = oResultTable->GetValue(2, i);
2051 53 : if (!pszRelatedTableName)
2052 : {
2053 0 : CPLError(CE_Warning, CPLE_AppDefined,
2054 : "Could not retrieve related_table_name from "
2055 : "gpkgext_relations");
2056 0 : continue;
2057 : }
2058 53 : const char *pszRelatedPrimaryColumn = oResultTable->GetValue(3, i);
2059 53 : if (!pszRelatedPrimaryColumn)
2060 : {
2061 0 : CPLError(CE_Warning, CPLE_AppDefined,
2062 : "Could not retrieve related_primary_column from "
2063 : "gpkgext_relations");
2064 0 : continue;
2065 : }
2066 53 : const char *pszRelationName = oResultTable->GetValue(4, i);
2067 53 : if (!pszRelationName)
2068 : {
2069 0 : CPLError(
2070 : CE_Warning, CPLE_AppDefined,
2071 : "Could not retrieve relation_name from gpkgext_relations");
2072 0 : continue;
2073 : }
2074 53 : const char *pszMappingTableName = oResultTable->GetValue(5, i);
2075 53 : if (!pszMappingTableName)
2076 : {
2077 0 : CPLError(CE_Warning, CPLE_AppDefined,
2078 : "Could not retrieve mapping_table_name from "
2079 : "gpkgext_relations");
2080 0 : continue;
2081 : }
2082 :
2083 : // confirm that mapping table exists
2084 : char *pszSQL =
2085 53 : sqlite3_mprintf("SELECT 1 FROM sqlite_master WHERE "
2086 : "name='%q' AND type IN ('table', 'view')",
2087 : pszMappingTableName);
2088 53 : const int nMappingTableCount = SQLGetInteger(hDB, pszSQL, nullptr);
2089 53 : sqlite3_free(pszSQL);
2090 :
2091 55 : if (nMappingTableCount < 1 &&
2092 2 : !const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
2093 2 : pszMappingTableName))
2094 : {
2095 1 : CPLError(CE_Warning, CPLE_AppDefined,
2096 : "Relationship mapping table %s does not exist",
2097 : pszMappingTableName);
2098 1 : continue;
2099 : }
2100 :
2101 : const std::string osRelationName = GenerateNameForRelationship(
2102 104 : pszBaseTableName, pszRelatedTableName, pszRelationName);
2103 :
2104 104 : std::string osType{};
2105 : // defined requirement classes -- for these types the relation name
2106 : // will be specific string value from the related tables extension.
2107 : // In this case we need to construct a unique relationship name
2108 : // based on the related tables
2109 52 : if (EQUAL(pszRelationName, "media") ||
2110 40 : EQUAL(pszRelationName, "simple_attributes") ||
2111 40 : EQUAL(pszRelationName, "features") ||
2112 18 : EQUAL(pszRelationName, "attributes") ||
2113 2 : EQUAL(pszRelationName, "tiles"))
2114 : {
2115 50 : osType = pszRelationName;
2116 : }
2117 : else
2118 : {
2119 : // user defined types default to features
2120 2 : osType = "features";
2121 : }
2122 :
2123 : auto poRelationship = std::make_unique<GDALRelationship>(
2124 : osRelationName, pszBaseTableName, pszRelatedTableName,
2125 104 : GRC_MANY_TO_MANY);
2126 :
2127 104 : poRelationship->SetLeftTableFields({pszBasePrimaryColumn});
2128 104 : poRelationship->SetRightTableFields({pszRelatedPrimaryColumn});
2129 104 : poRelationship->SetLeftMappingTableFields({"base_id"});
2130 104 : poRelationship->SetRightMappingTableFields({"related_id"});
2131 52 : poRelationship->SetMappingTableName(pszMappingTableName);
2132 52 : poRelationship->SetRelatedTableType(osType);
2133 :
2134 52 : m_osMapRelationships[osRelationName] = std::move(poRelationship);
2135 : }
2136 : }
2137 37 : }
2138 :
2139 : /************************************************************************/
2140 : /* GenerateNameForRelationship() */
2141 : /************************************************************************/
2142 :
2143 76 : std::string GDALGeoPackageDataset::GenerateNameForRelationship(
2144 : const char *pszBaseTableName, const char *pszRelatedTableName,
2145 : const char *pszType)
2146 : {
2147 : // defined requirement classes -- for these types the relation name will be
2148 : // specific string value from the related tables extension. In this case we
2149 : // need to construct a unique relationship name based on the related tables
2150 76 : if (EQUAL(pszType, "media") || EQUAL(pszType, "simple_attributes") ||
2151 53 : EQUAL(pszType, "features") || EQUAL(pszType, "attributes") ||
2152 8 : EQUAL(pszType, "tiles"))
2153 : {
2154 136 : std::ostringstream stream;
2155 : stream << pszBaseTableName << '_' << pszRelatedTableName << '_'
2156 68 : << pszType;
2157 68 : return stream.str();
2158 : }
2159 : else
2160 : {
2161 : // user defined types default to features
2162 8 : return pszType;
2163 : }
2164 : }
2165 :
2166 : /************************************************************************/
2167 : /* ValidateRelationship() */
2168 : /************************************************************************/
2169 :
2170 28 : bool GDALGeoPackageDataset::ValidateRelationship(
2171 : const GDALRelationship *poRelationship, std::string &failureReason)
2172 : {
2173 :
2174 28 : if (poRelationship->GetCardinality() !=
2175 : GDALRelationshipCardinality::GRC_MANY_TO_MANY)
2176 : {
2177 3 : failureReason = "Only many to many relationships are supported";
2178 3 : return false;
2179 : }
2180 :
2181 50 : std::string osRelatedTableType = poRelationship->GetRelatedTableType();
2182 65 : if (!osRelatedTableType.empty() && osRelatedTableType != "features" &&
2183 30 : osRelatedTableType != "media" &&
2184 20 : osRelatedTableType != "simple_attributes" &&
2185 55 : osRelatedTableType != "attributes" && osRelatedTableType != "tiles")
2186 : {
2187 : failureReason =
2188 4 : ("Related table type " + osRelatedTableType +
2189 : " is not a valid value for the GeoPackage specification. "
2190 : "Valid values are: features, media, simple_attributes, "
2191 : "attributes, tiles.")
2192 2 : .c_str();
2193 2 : return false;
2194 : }
2195 :
2196 23 : const std::string &osLeftTableName = poRelationship->GetLeftTableName();
2197 23 : OGRGeoPackageLayer *poLeftTable = cpl::down_cast<OGRGeoPackageLayer *>(
2198 23 : GetLayerByName(osLeftTableName.c_str()));
2199 23 : if (!poLeftTable)
2200 : {
2201 4 : failureReason = ("Left table " + osLeftTableName +
2202 : " is not an existing layer in the dataset")
2203 2 : .c_str();
2204 2 : return false;
2205 : }
2206 21 : const std::string &osRightTableName = poRelationship->GetRightTableName();
2207 21 : OGRGeoPackageLayer *poRightTable = cpl::down_cast<OGRGeoPackageLayer *>(
2208 21 : GetLayerByName(osRightTableName.c_str()));
2209 21 : if (!poRightTable)
2210 : {
2211 4 : failureReason = ("Right table " + osRightTableName +
2212 : " is not an existing layer in the dataset")
2213 2 : .c_str();
2214 2 : return false;
2215 : }
2216 :
2217 19 : const auto &aosLeftTableFields = poRelationship->GetLeftTableFields();
2218 19 : if (aosLeftTableFields.empty())
2219 : {
2220 1 : failureReason = "No left table fields were specified";
2221 1 : return false;
2222 : }
2223 18 : else if (aosLeftTableFields.size() > 1)
2224 : {
2225 : failureReason = "Only a single left table field is permitted for the "
2226 1 : "GeoPackage specification";
2227 1 : return false;
2228 : }
2229 : else
2230 : {
2231 : // validate left field exists
2232 34 : if (poLeftTable->GetLayerDefn()->GetFieldIndex(
2233 37 : aosLeftTableFields[0].c_str()) < 0 &&
2234 3 : !EQUAL(poLeftTable->GetFIDColumn(), aosLeftTableFields[0].c_str()))
2235 : {
2236 2 : failureReason = ("Left table field " + aosLeftTableFields[0] +
2237 2 : " does not exist in " + osLeftTableName)
2238 1 : .c_str();
2239 1 : return false;
2240 : }
2241 : }
2242 :
2243 16 : const auto &aosRightTableFields = poRelationship->GetRightTableFields();
2244 16 : if (aosRightTableFields.empty())
2245 : {
2246 1 : failureReason = "No right table fields were specified";
2247 1 : return false;
2248 : }
2249 15 : else if (aosRightTableFields.size() > 1)
2250 : {
2251 : failureReason = "Only a single right table field is permitted for the "
2252 1 : "GeoPackage specification";
2253 1 : return false;
2254 : }
2255 : else
2256 : {
2257 : // validate right field exists
2258 28 : if (poRightTable->GetLayerDefn()->GetFieldIndex(
2259 32 : aosRightTableFields[0].c_str()) < 0 &&
2260 4 : !EQUAL(poRightTable->GetFIDColumn(),
2261 : aosRightTableFields[0].c_str()))
2262 : {
2263 4 : failureReason = ("Right table field " + aosRightTableFields[0] +
2264 4 : " does not exist in " + osRightTableName)
2265 2 : .c_str();
2266 2 : return false;
2267 : }
2268 : }
2269 :
2270 12 : return true;
2271 : }
2272 :
2273 : /************************************************************************/
2274 : /* InitRaster() */
2275 : /************************************************************************/
2276 :
2277 358 : bool GDALGeoPackageDataset::InitRaster(
2278 : GDALGeoPackageDataset *poParentDS, const char *pszTableName, double dfMinX,
2279 : double dfMinY, double dfMaxX, double dfMaxY, const char *pszContentsMinX,
2280 : const char *pszContentsMinY, const char *pszContentsMaxX,
2281 : const char *pszContentsMaxY, char **papszOpenOptionsIn,
2282 : const SQLResult &oResult, int nIdxInResult)
2283 : {
2284 358 : m_osRasterTable = pszTableName;
2285 358 : m_dfTMSMinX = dfMinX;
2286 358 : m_dfTMSMaxY = dfMaxY;
2287 :
2288 : // Despite prior checking, the type might be Binary and
2289 : // SQLResultGetValue() not working properly on it
2290 358 : int nZoomLevel = atoi(oResult.GetValue(0, nIdxInResult));
2291 358 : if (nZoomLevel < 0 || nZoomLevel > 65536)
2292 : {
2293 0 : return false;
2294 : }
2295 358 : double dfPixelXSize = CPLAtof(oResult.GetValue(1, nIdxInResult));
2296 358 : double dfPixelYSize = CPLAtof(oResult.GetValue(2, nIdxInResult));
2297 358 : if (dfPixelXSize <= 0 || dfPixelYSize <= 0)
2298 : {
2299 0 : return false;
2300 : }
2301 358 : int nTileWidth = atoi(oResult.GetValue(3, nIdxInResult));
2302 358 : int nTileHeight = atoi(oResult.GetValue(4, nIdxInResult));
2303 358 : if (nTileWidth <= 0 || nTileWidth > 65536 || nTileHeight <= 0 ||
2304 : nTileHeight > 65536)
2305 : {
2306 0 : return false;
2307 : }
2308 : int nTileMatrixWidth = static_cast<int>(
2309 716 : std::min(static_cast<GIntBig>(INT_MAX),
2310 358 : CPLAtoGIntBig(oResult.GetValue(5, nIdxInResult))));
2311 : int nTileMatrixHeight = static_cast<int>(
2312 716 : std::min(static_cast<GIntBig>(INT_MAX),
2313 358 : CPLAtoGIntBig(oResult.GetValue(6, nIdxInResult))));
2314 358 : if (nTileMatrixWidth <= 0 || nTileMatrixHeight <= 0)
2315 : {
2316 0 : return false;
2317 : }
2318 :
2319 : /* Use content bounds in priority over tile_matrix_set bounds */
2320 358 : double dfGDALMinX = dfMinX;
2321 358 : double dfGDALMinY = dfMinY;
2322 358 : double dfGDALMaxX = dfMaxX;
2323 358 : double dfGDALMaxY = dfMaxY;
2324 : pszContentsMinX =
2325 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINX", pszContentsMinX);
2326 : pszContentsMinY =
2327 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MINY", pszContentsMinY);
2328 : pszContentsMaxX =
2329 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXX", pszContentsMaxX);
2330 : pszContentsMaxY =
2331 358 : CSLFetchNameValueDef(papszOpenOptionsIn, "MAXY", pszContentsMaxY);
2332 358 : if (pszContentsMinX != nullptr && pszContentsMinY != nullptr &&
2333 358 : pszContentsMaxX != nullptr && pszContentsMaxY != nullptr)
2334 : {
2335 715 : if (CPLAtof(pszContentsMinX) < CPLAtof(pszContentsMaxX) &&
2336 357 : CPLAtof(pszContentsMinY) < CPLAtof(pszContentsMaxY))
2337 : {
2338 357 : dfGDALMinX = CPLAtof(pszContentsMinX);
2339 357 : dfGDALMinY = CPLAtof(pszContentsMinY);
2340 357 : dfGDALMaxX = CPLAtof(pszContentsMaxX);
2341 357 : dfGDALMaxY = CPLAtof(pszContentsMaxY);
2342 : }
2343 : else
2344 : {
2345 1 : CPLError(CE_Warning, CPLE_AppDefined,
2346 : "Illegal min_x/min_y/max_x/max_y values for %s in open "
2347 : "options and/or gpkg_contents. Using bounds of "
2348 : "gpkg_tile_matrix_set instead",
2349 : pszTableName);
2350 : }
2351 : }
2352 358 : if (dfGDALMinX >= dfGDALMaxX || dfGDALMinY >= dfGDALMaxY)
2353 : {
2354 0 : CPLError(CE_Failure, CPLE_AppDefined,
2355 : "Illegal min_x/min_y/max_x/max_y values for %s", pszTableName);
2356 0 : return false;
2357 : }
2358 :
2359 358 : int nBandCount = 0;
2360 : const char *pszBAND_COUNT =
2361 358 : CSLFetchNameValue(papszOpenOptionsIn, "BAND_COUNT");
2362 358 : if (poParentDS)
2363 : {
2364 86 : nBandCount = poParentDS->GetRasterCount();
2365 : }
2366 272 : else if (m_eDT != GDT_Byte)
2367 : {
2368 65 : if (pszBAND_COUNT != nullptr && !EQUAL(pszBAND_COUNT, "AUTO") &&
2369 0 : !EQUAL(pszBAND_COUNT, "1"))
2370 : {
2371 0 : CPLError(CE_Warning, CPLE_AppDefined,
2372 : "BAND_COUNT ignored for non-Byte data");
2373 : }
2374 65 : nBandCount = 1;
2375 : }
2376 : else
2377 : {
2378 207 : if (pszBAND_COUNT != nullptr && !EQUAL(pszBAND_COUNT, "AUTO"))
2379 : {
2380 69 : nBandCount = atoi(pszBAND_COUNT);
2381 69 : if (nBandCount == 1)
2382 5 : GetMetadata("IMAGE_STRUCTURE");
2383 : }
2384 : else
2385 : {
2386 138 : GetMetadata("IMAGE_STRUCTURE");
2387 138 : nBandCount = m_nBandCountFromMetadata;
2388 138 : if (nBandCount == 1)
2389 38 : m_eTF = GPKG_TF_PNG;
2390 : }
2391 207 : if (nBandCount == 1 && !m_osTFFromMetadata.empty())
2392 : {
2393 2 : m_eTF = GDALGPKGMBTilesGetTileFormat(m_osTFFromMetadata.c_str());
2394 : }
2395 207 : if (nBandCount <= 0 || nBandCount > 4)
2396 86 : nBandCount = 4;
2397 : }
2398 :
2399 358 : return InitRaster(poParentDS, pszTableName, nZoomLevel, nBandCount, dfMinX,
2400 : dfMaxY, dfPixelXSize, dfPixelYSize, nTileWidth,
2401 : nTileHeight, nTileMatrixWidth, nTileMatrixHeight,
2402 358 : dfGDALMinX, dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
2403 : }
2404 :
2405 : /************************************************************************/
2406 : /* ComputeTileAndPixelShifts() */
2407 : /************************************************************************/
2408 :
2409 782 : bool GDALGeoPackageDataset::ComputeTileAndPixelShifts()
2410 : {
2411 : int nTileWidth, nTileHeight;
2412 782 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2413 :
2414 : // Compute shift between GDAL origin and TileMatrixSet origin
2415 : const double dfShiftXPixels =
2416 782 : (m_adfGeoTransform[0] - m_dfTMSMinX) / m_adfGeoTransform[1];
2417 782 : if (!(dfShiftXPixels / nTileWidth >= INT_MIN &&
2418 779 : dfShiftXPixels / nTileWidth < INT_MAX))
2419 : {
2420 3 : return false;
2421 : }
2422 779 : const int64_t nShiftXPixels =
2423 779 : static_cast<int64_t>(floor(0.5 + dfShiftXPixels));
2424 779 : m_nShiftXTiles = static_cast<int>(nShiftXPixels / nTileWidth);
2425 779 : if (nShiftXPixels < 0 && (nShiftXPixels % nTileWidth) != 0)
2426 11 : m_nShiftXTiles--;
2427 779 : m_nShiftXPixelsMod =
2428 779 : (static_cast<int>(nShiftXPixels % nTileWidth) + nTileWidth) %
2429 : nTileWidth;
2430 :
2431 : const double dfShiftYPixels =
2432 779 : (m_adfGeoTransform[3] - m_dfTMSMaxY) / m_adfGeoTransform[5];
2433 779 : if (!(dfShiftYPixels / nTileHeight >= INT_MIN &&
2434 779 : dfShiftYPixels / nTileHeight < INT_MAX))
2435 : {
2436 1 : return false;
2437 : }
2438 778 : const int64_t nShiftYPixels =
2439 778 : static_cast<int64_t>(floor(0.5 + dfShiftYPixels));
2440 778 : m_nShiftYTiles = static_cast<int>(nShiftYPixels / nTileHeight);
2441 778 : if (nShiftYPixels < 0 && (nShiftYPixels % nTileHeight) != 0)
2442 11 : m_nShiftYTiles--;
2443 778 : m_nShiftYPixelsMod =
2444 778 : (static_cast<int>(nShiftYPixels % nTileHeight) + nTileHeight) %
2445 : nTileHeight;
2446 778 : return true;
2447 : }
2448 :
2449 : /************************************************************************/
2450 : /* AllocCachedTiles() */
2451 : /************************************************************************/
2452 :
2453 778 : bool GDALGeoPackageDataset::AllocCachedTiles()
2454 : {
2455 : int nTileWidth, nTileHeight;
2456 778 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
2457 :
2458 : // We currently need 4 caches because of
2459 : // GDALGPKGMBTilesLikePseudoDataset::ReadTile(int nRow, int nCol)
2460 778 : const int nCacheCount = 4;
2461 : /*
2462 : (m_nShiftXPixelsMod != 0 || m_nShiftYPixelsMod != 0) ? 4 :
2463 : (GetUpdate() && m_eDT == GDT_Byte) ? 2 : 1;
2464 : */
2465 778 : m_pabyCachedTiles = static_cast<GByte *>(VSI_MALLOC3_VERBOSE(
2466 : cpl::fits_on<int>(nCacheCount * (m_eDT == GDT_Byte ? 4 : 1) *
2467 : m_nDTSize),
2468 : nTileWidth, nTileHeight));
2469 778 : if (m_pabyCachedTiles == nullptr)
2470 : {
2471 0 : CPLError(CE_Failure, CPLE_AppDefined, "Too big tiles: %d x %d",
2472 : nTileWidth, nTileHeight);
2473 0 : return false;
2474 : }
2475 :
2476 778 : return true;
2477 : }
2478 :
2479 : /************************************************************************/
2480 : /* InitRaster() */
2481 : /************************************************************************/
2482 :
2483 597 : bool GDALGeoPackageDataset::InitRaster(
2484 : GDALGeoPackageDataset *poParentDS, const char *pszTableName, int nZoomLevel,
2485 : int nBandCount, double dfTMSMinX, double dfTMSMaxY, double dfPixelXSize,
2486 : double dfPixelYSize, int nTileWidth, int nTileHeight, int nTileMatrixWidth,
2487 : int nTileMatrixHeight, double dfGDALMinX, double dfGDALMinY,
2488 : double dfGDALMaxX, double dfGDALMaxY)
2489 : {
2490 597 : m_osRasterTable = pszTableName;
2491 597 : m_dfTMSMinX = dfTMSMinX;
2492 597 : m_dfTMSMaxY = dfTMSMaxY;
2493 597 : m_nZoomLevel = nZoomLevel;
2494 597 : m_nTileMatrixWidth = nTileMatrixWidth;
2495 597 : m_nTileMatrixHeight = nTileMatrixHeight;
2496 :
2497 597 : m_bGeoTransformValid = true;
2498 597 : m_adfGeoTransform[0] = dfGDALMinX;
2499 597 : m_adfGeoTransform[1] = dfPixelXSize;
2500 597 : m_adfGeoTransform[3] = dfGDALMaxY;
2501 597 : m_adfGeoTransform[5] = -dfPixelYSize;
2502 597 : double dfRasterXSize = 0.5 + (dfGDALMaxX - dfGDALMinX) / dfPixelXSize;
2503 597 : double dfRasterYSize = 0.5 + (dfGDALMaxY - dfGDALMinY) / dfPixelYSize;
2504 597 : if (dfRasterXSize > INT_MAX || dfRasterYSize > INT_MAX)
2505 : {
2506 0 : CPLError(CE_Failure, CPLE_NotSupported, "Too big raster: %f x %f",
2507 : dfRasterXSize, dfRasterYSize);
2508 0 : return false;
2509 : }
2510 597 : nRasterXSize = std::max(1, static_cast<int>(dfRasterXSize));
2511 597 : nRasterYSize = std::max(1, static_cast<int>(dfRasterYSize));
2512 :
2513 597 : if (poParentDS)
2514 : {
2515 325 : m_poParentDS = poParentDS;
2516 325 : eAccess = poParentDS->eAccess;
2517 325 : hDB = poParentDS->hDB;
2518 325 : m_eTF = poParentDS->m_eTF;
2519 325 : m_eDT = poParentDS->m_eDT;
2520 325 : m_nDTSize = poParentDS->m_nDTSize;
2521 325 : m_dfScale = poParentDS->m_dfScale;
2522 325 : m_dfOffset = poParentDS->m_dfOffset;
2523 325 : m_dfPrecision = poParentDS->m_dfPrecision;
2524 325 : m_usGPKGNull = poParentDS->m_usGPKGNull;
2525 325 : m_nQuality = poParentDS->m_nQuality;
2526 325 : m_nZLevel = poParentDS->m_nZLevel;
2527 325 : m_bDither = poParentDS->m_bDither;
2528 : /*m_nSRID = poParentDS->m_nSRID;*/
2529 325 : m_osWHERE = poParentDS->m_osWHERE;
2530 325 : SetDescription(CPLSPrintf("%s - zoom_level=%d",
2531 325 : poParentDS->GetDescription(), m_nZoomLevel));
2532 : }
2533 :
2534 2094 : for (int i = 1; i <= nBandCount; i++)
2535 : {
2536 : auto poNewBand = std::make_unique<GDALGeoPackageRasterBand>(
2537 1497 : this, nTileWidth, nTileHeight);
2538 1497 : if (poParentDS)
2539 : {
2540 761 : int bHasNoData = FALSE;
2541 : double dfNoDataValue =
2542 761 : poParentDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
2543 761 : if (bHasNoData)
2544 24 : poNewBand->SetNoDataValueInternal(dfNoDataValue);
2545 : }
2546 :
2547 1497 : if (nBandCount == 1 && m_poCTFromMetadata)
2548 : {
2549 3 : poNewBand->AssignColorTable(m_poCTFromMetadata.get());
2550 : }
2551 1497 : if (!m_osNodataValueFromMetadata.empty())
2552 : {
2553 8 : poNewBand->SetNoDataValueInternal(
2554 : CPLAtof(m_osNodataValueFromMetadata.c_str()));
2555 : }
2556 :
2557 1497 : SetBand(i, std::move(poNewBand));
2558 : }
2559 :
2560 597 : if (!ComputeTileAndPixelShifts())
2561 : {
2562 3 : CPLError(CE_Failure, CPLE_AppDefined,
2563 : "Overflow occurred in ComputeTileAndPixelShifts()");
2564 3 : return false;
2565 : }
2566 :
2567 594 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL", "IMAGE_STRUCTURE");
2568 594 : GDALPamDataset::SetMetadataItem("ZOOM_LEVEL",
2569 : CPLSPrintf("%d", m_nZoomLevel));
2570 :
2571 594 : return AllocCachedTiles();
2572 : }
2573 :
2574 : /************************************************************************/
2575 : /* GDALGPKGMBTilesGetTileFormat() */
2576 : /************************************************************************/
2577 :
2578 80 : GPKGTileFormat GDALGPKGMBTilesGetTileFormat(const char *pszTF)
2579 : {
2580 80 : GPKGTileFormat eTF = GPKG_TF_PNG_JPEG;
2581 80 : if (pszTF)
2582 : {
2583 80 : if (EQUAL(pszTF, "PNG_JPEG") || EQUAL(pszTF, "AUTO"))
2584 1 : eTF = GPKG_TF_PNG_JPEG;
2585 79 : else if (EQUAL(pszTF, "PNG"))
2586 46 : eTF = GPKG_TF_PNG;
2587 33 : else if (EQUAL(pszTF, "PNG8"))
2588 6 : eTF = GPKG_TF_PNG8;
2589 27 : else if (EQUAL(pszTF, "JPEG"))
2590 14 : eTF = GPKG_TF_JPEG;
2591 13 : else if (EQUAL(pszTF, "WEBP"))
2592 13 : eTF = GPKG_TF_WEBP;
2593 : else
2594 : {
2595 0 : CPLError(CE_Failure, CPLE_NotSupported,
2596 : "Unsuppoted value for TILE_FORMAT: %s", pszTF);
2597 : }
2598 : }
2599 80 : return eTF;
2600 : }
2601 :
2602 28 : const char *GDALMBTilesGetTileFormatName(GPKGTileFormat eTF)
2603 : {
2604 28 : switch (eTF)
2605 : {
2606 26 : case GPKG_TF_PNG:
2607 : case GPKG_TF_PNG8:
2608 26 : return "png";
2609 1 : case GPKG_TF_JPEG:
2610 1 : return "jpg";
2611 1 : case GPKG_TF_WEBP:
2612 1 : return "webp";
2613 0 : default:
2614 0 : break;
2615 : }
2616 0 : CPLError(CE_Failure, CPLE_NotSupported,
2617 : "Unsuppoted value for TILE_FORMAT: %d", static_cast<int>(eTF));
2618 0 : return nullptr;
2619 : }
2620 :
2621 : /************************************************************************/
2622 : /* OpenRaster() */
2623 : /************************************************************************/
2624 :
2625 274 : bool GDALGeoPackageDataset::OpenRaster(
2626 : const char *pszTableName, const char *pszIdentifier,
2627 : const char *pszDescription, int nSRSId, double dfMinX, double dfMinY,
2628 : double dfMaxX, double dfMaxY, const char *pszContentsMinX,
2629 : const char *pszContentsMinY, const char *pszContentsMaxX,
2630 : const char *pszContentsMaxY, bool bIsTiles, char **papszOpenOptionsIn)
2631 : {
2632 274 : if (dfMinX >= dfMaxX || dfMinY >= dfMaxY)
2633 0 : return false;
2634 :
2635 : // Config option just for debug, and for example force set to NaN
2636 : // which is not supported
2637 548 : CPLString osDataNull = CPLGetConfigOption("GPKG_NODATA", "");
2638 548 : CPLString osUom;
2639 548 : CPLString osFieldName;
2640 548 : CPLString osGridCellEncoding;
2641 274 : if (!bIsTiles)
2642 : {
2643 65 : char *pszSQL = sqlite3_mprintf(
2644 : "SELECT datatype, scale, offset, data_null, precision FROM "
2645 : "gpkg_2d_gridded_coverage_ancillary "
2646 : "WHERE tile_matrix_set_name = '%q' "
2647 : "AND datatype IN ('integer', 'float')"
2648 : "AND (scale > 0 OR scale IS NULL)",
2649 : pszTableName);
2650 65 : auto oResult = SQLQuery(hDB, pszSQL);
2651 65 : sqlite3_free(pszSQL);
2652 65 : if (!oResult || oResult->RowCount() == 0)
2653 : {
2654 0 : return false;
2655 : }
2656 65 : const char *pszDataType = oResult->GetValue(0, 0);
2657 65 : const char *pszScale = oResult->GetValue(1, 0);
2658 65 : const char *pszOffset = oResult->GetValue(2, 0);
2659 65 : const char *pszDataNull = oResult->GetValue(3, 0);
2660 65 : const char *pszPrecision = oResult->GetValue(4, 0);
2661 65 : if (pszDataNull)
2662 23 : osDataNull = pszDataNull;
2663 65 : if (EQUAL(pszDataType, "float"))
2664 : {
2665 6 : SetDataType(GDT_Float32);
2666 6 : m_eTF = GPKG_TF_TIFF_32BIT_FLOAT;
2667 : }
2668 : else
2669 : {
2670 59 : SetDataType(GDT_Float32);
2671 59 : m_eTF = GPKG_TF_PNG_16BIT;
2672 59 : const double dfScale = pszScale ? CPLAtof(pszScale) : 1.0;
2673 59 : const double dfOffset = pszOffset ? CPLAtof(pszOffset) : 0.0;
2674 59 : if (dfScale == 1.0)
2675 : {
2676 59 : if (dfOffset == 0.0)
2677 : {
2678 24 : SetDataType(GDT_UInt16);
2679 : }
2680 35 : else if (dfOffset == -32768.0)
2681 : {
2682 35 : SetDataType(GDT_Int16);
2683 : }
2684 : // coverity[tainted_data]
2685 0 : else if (dfOffset == -32767.0 && !osDataNull.empty() &&
2686 0 : CPLAtof(osDataNull) == 65535.0)
2687 : // Given that we will map the nodata value to -32768
2688 : {
2689 0 : SetDataType(GDT_Int16);
2690 : }
2691 : }
2692 :
2693 : // Check that the tile offset and scales are compatible of a
2694 : // final integer result.
2695 59 : if (m_eDT != GDT_Float32)
2696 : {
2697 : // coverity[tainted_data]
2698 59 : if (dfScale == 1.0 && dfOffset == -32768.0 &&
2699 118 : !osDataNull.empty() && CPLAtof(osDataNull) == 65535.0)
2700 : {
2701 : // Given that we will map the nodata value to -32768
2702 9 : pszSQL = sqlite3_mprintf(
2703 : "SELECT 1 FROM "
2704 : "gpkg_2d_gridded_tile_ancillary WHERE "
2705 : "tpudt_name = '%q' "
2706 : "AND NOT ((offset = 0.0 or offset = 1.0) "
2707 : "AND scale = 1.0) "
2708 : "LIMIT 1",
2709 : pszTableName);
2710 : }
2711 : else
2712 : {
2713 50 : pszSQL = sqlite3_mprintf(
2714 : "SELECT 1 FROM "
2715 : "gpkg_2d_gridded_tile_ancillary WHERE "
2716 : "tpudt_name = '%q' "
2717 : "AND NOT (offset = 0.0 AND scale = 1.0) LIMIT 1",
2718 : pszTableName);
2719 : }
2720 59 : sqlite3_stmt *hSQLStmt = nullptr;
2721 : int rc =
2722 59 : SQLPrepareWithError(hDB, pszSQL, -1, &hSQLStmt, nullptr);
2723 :
2724 59 : if (rc == SQLITE_OK)
2725 : {
2726 59 : if (sqlite3_step(hSQLStmt) == SQLITE_ROW)
2727 : {
2728 8 : SetDataType(GDT_Float32);
2729 : }
2730 59 : sqlite3_finalize(hSQLStmt);
2731 : }
2732 59 : sqlite3_free(pszSQL);
2733 : }
2734 :
2735 59 : SetGlobalOffsetScale(dfOffset, dfScale);
2736 : }
2737 65 : if (pszPrecision)
2738 65 : m_dfPrecision = CPLAtof(pszPrecision);
2739 :
2740 : // Request those columns in a separate query, so as to keep
2741 : // compatibility with pre OGC 17-066r1 databases
2742 : pszSQL =
2743 65 : sqlite3_mprintf("SELECT uom, field_name, grid_cell_encoding FROM "
2744 : "gpkg_2d_gridded_coverage_ancillary "
2745 : "WHERE tile_matrix_set_name = '%q'",
2746 : pszTableName);
2747 65 : CPLPushErrorHandler(CPLQuietErrorHandler);
2748 65 : oResult = SQLQuery(hDB, pszSQL);
2749 65 : CPLPopErrorHandler();
2750 65 : sqlite3_free(pszSQL);
2751 65 : if (oResult && oResult->RowCount() == 1)
2752 : {
2753 64 : const char *pszUom = oResult->GetValue(0, 0);
2754 64 : if (pszUom)
2755 2 : osUom = pszUom;
2756 64 : const char *pszFieldName = oResult->GetValue(1, 0);
2757 64 : if (pszFieldName)
2758 64 : osFieldName = pszFieldName;
2759 64 : const char *pszGridCellEncoding = oResult->GetValue(2, 0);
2760 64 : if (pszGridCellEncoding)
2761 64 : osGridCellEncoding = pszGridCellEncoding;
2762 : }
2763 : }
2764 :
2765 274 : m_bRecordInsertedInGPKGContent = true;
2766 274 : m_nSRID = nSRSId;
2767 :
2768 547 : if (auto poSRS = GetSpatialRef(nSRSId))
2769 : {
2770 273 : m_oSRS = *(poSRS.get());
2771 : }
2772 :
2773 : /* Various sanity checks added in the SELECT */
2774 274 : char *pszQuotedTableName = sqlite3_mprintf("'%q'", pszTableName);
2775 548 : CPLString osQuotedTableName(pszQuotedTableName);
2776 274 : sqlite3_free(pszQuotedTableName);
2777 274 : char *pszSQL = sqlite3_mprintf(
2778 : "SELECT zoom_level, pixel_x_size, pixel_y_size, tile_width, "
2779 : "tile_height, matrix_width, matrix_height "
2780 : "FROM gpkg_tile_matrix tm "
2781 : "WHERE table_name = %s "
2782 : // INT_MAX would be the theoretical maximum value to avoid
2783 : // overflows, but that's already a insane value.
2784 : "AND zoom_level >= 0 AND zoom_level <= 65536 "
2785 : "AND pixel_x_size > 0 AND pixel_y_size > 0 "
2786 : "AND tile_width >= 1 AND tile_width <= 65536 "
2787 : "AND tile_height >= 1 AND tile_height <= 65536 "
2788 : "AND matrix_width >= 1 AND matrix_height >= 1",
2789 : osQuotedTableName.c_str());
2790 548 : CPLString osSQL(pszSQL);
2791 : const char *pszZoomLevel =
2792 274 : CSLFetchNameValue(papszOpenOptionsIn, "ZOOM_LEVEL");
2793 274 : if (pszZoomLevel)
2794 : {
2795 5 : if (GetUpdate())
2796 1 : osSQL += CPLSPrintf(" AND zoom_level <= %d", atoi(pszZoomLevel));
2797 : else
2798 : {
2799 : osSQL += CPLSPrintf(
2800 : " AND (zoom_level = %d OR (zoom_level < %d AND EXISTS(SELECT 1 "
2801 : "FROM %s WHERE zoom_level = tm.zoom_level LIMIT 1)))",
2802 : atoi(pszZoomLevel), atoi(pszZoomLevel),
2803 4 : osQuotedTableName.c_str());
2804 : }
2805 : }
2806 : // In read-only mode, only lists non empty zoom levels
2807 269 : else if (!GetUpdate())
2808 : {
2809 : osSQL += CPLSPrintf(" AND EXISTS(SELECT 1 FROM %s WHERE zoom_level = "
2810 : "tm.zoom_level LIMIT 1)",
2811 215 : osQuotedTableName.c_str());
2812 : }
2813 : else // if( pszZoomLevel == nullptr )
2814 : {
2815 : osSQL +=
2816 : CPLSPrintf(" AND zoom_level <= (SELECT MAX(zoom_level) FROM %s)",
2817 54 : osQuotedTableName.c_str());
2818 : }
2819 274 : osSQL += " ORDER BY zoom_level DESC";
2820 : // To avoid denial of service.
2821 274 : osSQL += " LIMIT 100";
2822 :
2823 548 : auto oResult = SQLQuery(hDB, osSQL.c_str());
2824 274 : if (!oResult || oResult->RowCount() == 0)
2825 : {
2826 114 : if (oResult && oResult->RowCount() == 0 && pszContentsMinX != nullptr &&
2827 114 : pszContentsMinY != nullptr && pszContentsMaxX != nullptr &&
2828 : pszContentsMaxY != nullptr)
2829 : {
2830 56 : osSQL = pszSQL;
2831 56 : osSQL += " ORDER BY zoom_level DESC";
2832 56 : if (!GetUpdate())
2833 30 : osSQL += " LIMIT 1";
2834 56 : oResult = SQLQuery(hDB, osSQL.c_str());
2835 : }
2836 57 : if (!oResult || oResult->RowCount() == 0)
2837 : {
2838 1 : if (oResult && pszZoomLevel != nullptr)
2839 : {
2840 1 : CPLError(CE_Failure, CPLE_AppDefined,
2841 : "ZOOM_LEVEL is probably not valid w.r.t tile "
2842 : "table content");
2843 : }
2844 1 : sqlite3_free(pszSQL);
2845 1 : return false;
2846 : }
2847 : }
2848 273 : sqlite3_free(pszSQL);
2849 :
2850 : // If USE_TILE_EXTENT=YES, then query the tile table to find which tiles
2851 : // actually exist.
2852 :
2853 : // CAUTION: Do not move those variables inside inner scope !
2854 546 : CPLString osContentsMinX, osContentsMinY, osContentsMaxX, osContentsMaxY;
2855 :
2856 273 : if (CPLTestBool(
2857 : CSLFetchNameValueDef(papszOpenOptionsIn, "USE_TILE_EXTENT", "NO")))
2858 : {
2859 13 : pszSQL = sqlite3_mprintf(
2860 : "SELECT MIN(tile_column), MIN(tile_row), MAX(tile_column), "
2861 : "MAX(tile_row) FROM \"%w\" WHERE zoom_level = %d",
2862 : pszTableName, atoi(oResult->GetValue(0, 0)));
2863 13 : auto oResult2 = SQLQuery(hDB, pszSQL);
2864 13 : sqlite3_free(pszSQL);
2865 26 : if (!oResult2 || oResult2->RowCount() == 0 ||
2866 : // Can happen if table is empty
2867 38 : oResult2->GetValue(0, 0) == nullptr ||
2868 : // Can happen if table has no NOT NULL constraint on tile_row
2869 : // and that all tile_row are NULL
2870 12 : oResult2->GetValue(1, 0) == nullptr)
2871 : {
2872 1 : return false;
2873 : }
2874 12 : const double dfPixelXSize = CPLAtof(oResult->GetValue(1, 0));
2875 12 : const double dfPixelYSize = CPLAtof(oResult->GetValue(2, 0));
2876 12 : const int nTileWidth = atoi(oResult->GetValue(3, 0));
2877 12 : const int nTileHeight = atoi(oResult->GetValue(4, 0));
2878 : osContentsMinX =
2879 24 : CPLSPrintf("%.17g", dfMinX + dfPixelXSize * nTileWidth *
2880 12 : atoi(oResult2->GetValue(0, 0)));
2881 : osContentsMaxY =
2882 24 : CPLSPrintf("%.17g", dfMaxY - dfPixelYSize * nTileHeight *
2883 12 : atoi(oResult2->GetValue(1, 0)));
2884 : osContentsMaxX = CPLSPrintf(
2885 24 : "%.17g", dfMinX + dfPixelXSize * nTileWidth *
2886 12 : (1 + atoi(oResult2->GetValue(2, 0))));
2887 : osContentsMinY = CPLSPrintf(
2888 24 : "%.17g", dfMaxY - dfPixelYSize * nTileHeight *
2889 12 : (1 + atoi(oResult2->GetValue(3, 0))));
2890 12 : pszContentsMinX = osContentsMinX.c_str();
2891 12 : pszContentsMinY = osContentsMinY.c_str();
2892 12 : pszContentsMaxX = osContentsMaxX.c_str();
2893 12 : pszContentsMaxY = osContentsMaxY.c_str();
2894 : }
2895 :
2896 272 : if (!InitRaster(nullptr, pszTableName, dfMinX, dfMinY, dfMaxX, dfMaxY,
2897 : pszContentsMinX, pszContentsMinY, pszContentsMaxX,
2898 272 : pszContentsMaxY, papszOpenOptionsIn, *oResult, 0))
2899 : {
2900 3 : return false;
2901 : }
2902 :
2903 : auto poBand =
2904 269 : reinterpret_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 : return m_oSRS.IsEmpty() ? nullptr : &m_oSRS;
3043 : }
3044 :
3045 : /************************************************************************/
3046 : /* SetSpatialRef() */
3047 : /************************************************************************/
3048 :
3049 150 : CPLErr GDALGeoPackageDataset::SetSpatialRef(const OGRSpatialReference *poSRS)
3050 : {
3051 150 : if (nBands == 0)
3052 : {
3053 1 : CPLError(CE_Failure, CPLE_NotSupported,
3054 : "SetProjection() not supported on a dataset with 0 band");
3055 1 : return CE_Failure;
3056 : }
3057 149 : if (eAccess != GA_Update)
3058 : {
3059 1 : CPLError(CE_Failure, CPLE_NotSupported,
3060 : "SetProjection() not supported on read-only dataset");
3061 1 : return CE_Failure;
3062 : }
3063 :
3064 148 : const int nSRID = GetSrsId(poSRS);
3065 296 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3066 148 : if (poTS && nSRID != poTS->nEPSGCode)
3067 : {
3068 2 : CPLError(CE_Failure, CPLE_NotSupported,
3069 : "Projection should be EPSG:%d for %s tiling scheme",
3070 1 : poTS->nEPSGCode, m_osTilingScheme.c_str());
3071 1 : return CE_Failure;
3072 : }
3073 :
3074 147 : m_nSRID = nSRID;
3075 147 : m_oSRS.Clear();
3076 147 : if (poSRS)
3077 146 : m_oSRS = *poSRS;
3078 :
3079 147 : if (m_bRecordInsertedInGPKGContent)
3080 : {
3081 119 : char *pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET srs_id = %d "
3082 : "WHERE lower(table_name) = lower('%q')",
3083 : m_nSRID, m_osRasterTable.c_str());
3084 119 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3085 119 : sqlite3_free(pszSQL);
3086 119 : if (eErr != OGRERR_NONE)
3087 0 : return CE_Failure;
3088 :
3089 119 : pszSQL = sqlite3_mprintf("UPDATE gpkg_tile_matrix_set SET srs_id = %d "
3090 : "WHERE lower(table_name) = lower('%q')",
3091 : m_nSRID, m_osRasterTable.c_str());
3092 119 : eErr = SQLCommand(hDB, pszSQL);
3093 119 : sqlite3_free(pszSQL);
3094 119 : if (eErr != OGRERR_NONE)
3095 0 : return CE_Failure;
3096 : }
3097 :
3098 147 : return CE_None;
3099 : }
3100 :
3101 : /************************************************************************/
3102 : /* GetGeoTransform() */
3103 : /************************************************************************/
3104 :
3105 33 : CPLErr GDALGeoPackageDataset::GetGeoTransform(double *padfGeoTransform)
3106 : {
3107 33 : memcpy(padfGeoTransform, m_adfGeoTransform.data(), 6 * sizeof(double));
3108 33 : if (!m_bGeoTransformValid)
3109 2 : return CE_Failure;
3110 : else
3111 31 : return CE_None;
3112 : }
3113 :
3114 : /************************************************************************/
3115 : /* SetGeoTransform() */
3116 : /************************************************************************/
3117 :
3118 190 : CPLErr GDALGeoPackageDataset::SetGeoTransform(double *padfGeoTransform)
3119 : {
3120 190 : if (nBands == 0)
3121 : {
3122 2 : CPLError(CE_Failure, CPLE_NotSupported,
3123 : "SetGeoTransform() not supported on a dataset with 0 band");
3124 2 : return CE_Failure;
3125 : }
3126 188 : if (eAccess != GA_Update)
3127 : {
3128 1 : CPLError(CE_Failure, CPLE_NotSupported,
3129 : "SetGeoTransform() not supported on read-only dataset");
3130 1 : return CE_Failure;
3131 : }
3132 187 : if (m_bGeoTransformValid)
3133 : {
3134 1 : CPLError(CE_Failure, CPLE_NotSupported,
3135 : "Cannot modify geotransform once set");
3136 1 : return CE_Failure;
3137 : }
3138 186 : if (padfGeoTransform[2] != 0.0 || padfGeoTransform[4] != 0 ||
3139 186 : padfGeoTransform[5] > 0.0)
3140 : {
3141 0 : CPLError(CE_Failure, CPLE_NotSupported,
3142 : "Only north-up non rotated geotransform supported");
3143 0 : return CE_Failure;
3144 : }
3145 :
3146 186 : if (m_nZoomLevel < 0)
3147 : {
3148 185 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3149 185 : if (poTS)
3150 : {
3151 20 : double dfPixelXSizeZoomLevel0 = poTS->dfPixelXSizeZoomLevel0;
3152 20 : double dfPixelYSizeZoomLevel0 = poTS->dfPixelYSizeZoomLevel0;
3153 199 : for (m_nZoomLevel = 0; m_nZoomLevel < MAX_ZOOM_LEVEL;
3154 179 : m_nZoomLevel++)
3155 : {
3156 198 : double dfExpectedPixelXSize =
3157 198 : dfPixelXSizeZoomLevel0 / (1 << m_nZoomLevel);
3158 198 : double dfExpectedPixelYSize =
3159 198 : dfPixelYSizeZoomLevel0 / (1 << m_nZoomLevel);
3160 198 : if (fabs(padfGeoTransform[1] - dfExpectedPixelXSize) <
3161 198 : 1e-8 * dfExpectedPixelXSize &&
3162 19 : fabs(fabs(padfGeoTransform[5]) - dfExpectedPixelYSize) <
3163 19 : 1e-8 * dfExpectedPixelYSize)
3164 : {
3165 19 : break;
3166 : }
3167 : }
3168 20 : if (m_nZoomLevel == MAX_ZOOM_LEVEL)
3169 : {
3170 1 : m_nZoomLevel = -1;
3171 1 : CPLError(
3172 : CE_Failure, CPLE_NotSupported,
3173 : "Could not find an appropriate zoom level of %s tiling "
3174 : "scheme that matches raster pixel size",
3175 : m_osTilingScheme.c_str());
3176 1 : return CE_Failure;
3177 : }
3178 : }
3179 : }
3180 :
3181 185 : memcpy(m_adfGeoTransform.data(), padfGeoTransform, 6 * sizeof(double));
3182 185 : m_bGeoTransformValid = true;
3183 :
3184 185 : return FinalizeRasterRegistration();
3185 : }
3186 :
3187 : /************************************************************************/
3188 : /* FinalizeRasterRegistration() */
3189 : /************************************************************************/
3190 :
3191 185 : CPLErr GDALGeoPackageDataset::FinalizeRasterRegistration()
3192 : {
3193 : OGRErr eErr;
3194 :
3195 185 : m_dfTMSMinX = m_adfGeoTransform[0];
3196 185 : m_dfTMSMaxY = m_adfGeoTransform[3];
3197 :
3198 : int nTileWidth, nTileHeight;
3199 185 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3200 :
3201 185 : if (m_nZoomLevel < 0)
3202 : {
3203 165 : m_nZoomLevel = 0;
3204 239 : while ((nRasterXSize >> m_nZoomLevel) > nTileWidth ||
3205 165 : (nRasterYSize >> m_nZoomLevel) > nTileHeight)
3206 74 : m_nZoomLevel++;
3207 : }
3208 :
3209 185 : double dfPixelXSizeZoomLevel0 = m_adfGeoTransform[1] * (1 << m_nZoomLevel);
3210 : double dfPixelYSizeZoomLevel0 =
3211 185 : fabs(m_adfGeoTransform[5]) * (1 << m_nZoomLevel);
3212 : int nTileXCountZoomLevel0 =
3213 185 : std::max(1, DIV_ROUND_UP((nRasterXSize >> m_nZoomLevel), nTileWidth));
3214 : int nTileYCountZoomLevel0 =
3215 185 : std::max(1, DIV_ROUND_UP((nRasterYSize >> m_nZoomLevel), nTileHeight));
3216 :
3217 370 : const auto poTS = GetTilingScheme(m_osTilingScheme);
3218 185 : if (poTS)
3219 : {
3220 20 : CPLAssert(m_nZoomLevel >= 0);
3221 20 : m_dfTMSMinX = poTS->dfMinX;
3222 20 : m_dfTMSMaxY = poTS->dfMaxY;
3223 20 : dfPixelXSizeZoomLevel0 = poTS->dfPixelXSizeZoomLevel0;
3224 20 : dfPixelYSizeZoomLevel0 = poTS->dfPixelYSizeZoomLevel0;
3225 20 : nTileXCountZoomLevel0 = poTS->nTileXCountZoomLevel0;
3226 20 : nTileYCountZoomLevel0 = poTS->nTileYCountZoomLevel0;
3227 : }
3228 185 : m_nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << m_nZoomLevel);
3229 185 : m_nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << m_nZoomLevel);
3230 :
3231 185 : if (!ComputeTileAndPixelShifts())
3232 : {
3233 1 : CPLError(CE_Failure, CPLE_AppDefined,
3234 : "Overflow occurred in ComputeTileAndPixelShifts()");
3235 1 : return CE_Failure;
3236 : }
3237 :
3238 184 : if (!AllocCachedTiles())
3239 : {
3240 0 : return CE_Failure;
3241 : }
3242 :
3243 184 : double dfGDALMinX = m_adfGeoTransform[0];
3244 : double dfGDALMinY =
3245 184 : m_adfGeoTransform[3] + nRasterYSize * m_adfGeoTransform[5];
3246 : double dfGDALMaxX =
3247 184 : m_adfGeoTransform[0] + nRasterXSize * m_adfGeoTransform[1];
3248 184 : double dfGDALMaxY = m_adfGeoTransform[3];
3249 :
3250 184 : if (SoftStartTransaction() != OGRERR_NONE)
3251 0 : return CE_Failure;
3252 :
3253 : const char *pszCurrentDate =
3254 184 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3255 : CPLString osInsertGpkgContentsFormatting(
3256 : "INSERT INTO gpkg_contents "
3257 : "(table_name,data_type,identifier,description,min_x,min_y,max_x,max_y,"
3258 : "last_change,srs_id) VALUES "
3259 368 : "('%q','%q','%q','%q',%.17g,%.17g,%.17g,%.17g,");
3260 184 : osInsertGpkgContentsFormatting += (pszCurrentDate) ? "'%q'" : "%s";
3261 184 : osInsertGpkgContentsFormatting += ",%d)";
3262 368 : char *pszSQL = sqlite3_mprintf(
3263 : osInsertGpkgContentsFormatting.c_str(), m_osRasterTable.c_str(),
3264 184 : (m_eDT == GDT_Byte) ? "tiles" : "2d-gridded-coverage",
3265 : m_osIdentifier.c_str(), m_osDescription.c_str(), dfGDALMinX, dfGDALMinY,
3266 : dfGDALMaxX, dfGDALMaxY,
3267 : pszCurrentDate ? pszCurrentDate
3268 : : "strftime('%Y-%m-%dT%H:%M:%fZ','now')",
3269 : m_nSRID);
3270 :
3271 184 : eErr = SQLCommand(hDB, pszSQL);
3272 184 : sqlite3_free(pszSQL);
3273 184 : if (eErr != OGRERR_NONE)
3274 : {
3275 8 : SoftRollbackTransaction();
3276 8 : return CE_Failure;
3277 : }
3278 :
3279 176 : double dfTMSMaxX = m_dfTMSMinX + nTileXCountZoomLevel0 * nTileWidth *
3280 : dfPixelXSizeZoomLevel0;
3281 176 : double dfTMSMinY = m_dfTMSMaxY - nTileYCountZoomLevel0 * nTileHeight *
3282 : dfPixelYSizeZoomLevel0;
3283 :
3284 : pszSQL =
3285 176 : sqlite3_mprintf("INSERT INTO gpkg_tile_matrix_set "
3286 : "(table_name,srs_id,min_x,min_y,max_x,max_y) VALUES "
3287 : "('%q',%d,%.17g,%.17g,%.17g,%.17g)",
3288 : m_osRasterTable.c_str(), m_nSRID, m_dfTMSMinX,
3289 : dfTMSMinY, dfTMSMaxX, m_dfTMSMaxY);
3290 176 : eErr = SQLCommand(hDB, pszSQL);
3291 176 : sqlite3_free(pszSQL);
3292 176 : if (eErr != OGRERR_NONE)
3293 : {
3294 0 : SoftRollbackTransaction();
3295 0 : return CE_Failure;
3296 : }
3297 :
3298 176 : m_apoOverviewDS.resize(m_nZoomLevel);
3299 :
3300 587 : for (int i = 0; i <= m_nZoomLevel; i++)
3301 : {
3302 411 : double dfPixelXSizeZoomLevel = 0.0;
3303 411 : double dfPixelYSizeZoomLevel = 0.0;
3304 411 : int nTileMatrixWidth = 0;
3305 411 : int nTileMatrixHeight = 0;
3306 411 : if (EQUAL(m_osTilingScheme, "CUSTOM"))
3307 : {
3308 230 : dfPixelXSizeZoomLevel =
3309 230 : m_adfGeoTransform[1] * (1 << (m_nZoomLevel - i));
3310 230 : dfPixelYSizeZoomLevel =
3311 230 : fabs(m_adfGeoTransform[5]) * (1 << (m_nZoomLevel - i));
3312 : }
3313 : else
3314 : {
3315 181 : dfPixelXSizeZoomLevel = dfPixelXSizeZoomLevel0 / (1 << i);
3316 181 : dfPixelYSizeZoomLevel = dfPixelYSizeZoomLevel0 / (1 << i);
3317 : }
3318 411 : nTileMatrixWidth = nTileXCountZoomLevel0 * (1 << i);
3319 411 : nTileMatrixHeight = nTileYCountZoomLevel0 * (1 << i);
3320 :
3321 411 : pszSQL = sqlite3_mprintf(
3322 : "INSERT INTO gpkg_tile_matrix "
3323 : "(table_name,zoom_level,matrix_width,matrix_height,tile_width,tile_"
3324 : "height,pixel_x_size,pixel_y_size) VALUES "
3325 : "('%q',%d,%d,%d,%d,%d,%.17g,%.17g)",
3326 : m_osRasterTable.c_str(), i, nTileMatrixWidth, nTileMatrixHeight,
3327 : nTileWidth, nTileHeight, dfPixelXSizeZoomLevel,
3328 : dfPixelYSizeZoomLevel);
3329 411 : eErr = SQLCommand(hDB, pszSQL);
3330 411 : sqlite3_free(pszSQL);
3331 411 : if (eErr != OGRERR_NONE)
3332 : {
3333 0 : SoftRollbackTransaction();
3334 0 : return CE_Failure;
3335 : }
3336 :
3337 411 : if (i < m_nZoomLevel)
3338 : {
3339 470 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3340 235 : poOvrDS->ShareLockWithParentDataset(this);
3341 235 : poOvrDS->InitRaster(this, m_osRasterTable, i, nBands, m_dfTMSMinX,
3342 : m_dfTMSMaxY, dfPixelXSizeZoomLevel,
3343 : dfPixelYSizeZoomLevel, nTileWidth, nTileHeight,
3344 : nTileMatrixWidth, nTileMatrixHeight, dfGDALMinX,
3345 : dfGDALMinY, dfGDALMaxX, dfGDALMaxY);
3346 :
3347 235 : m_apoOverviewDS[m_nZoomLevel - 1 - i] = std::move(poOvrDS);
3348 : }
3349 : }
3350 :
3351 176 : if (!m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.empty())
3352 : {
3353 40 : eErr = SQLCommand(
3354 : hDB, m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.c_str());
3355 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary.clear();
3356 40 : if (eErr != OGRERR_NONE)
3357 : {
3358 0 : SoftRollbackTransaction();
3359 0 : return CE_Failure;
3360 : }
3361 : }
3362 :
3363 176 : SoftCommitTransaction();
3364 :
3365 176 : m_apoOverviewDS.resize(m_nZoomLevel);
3366 176 : m_bRecordInsertedInGPKGContent = true;
3367 :
3368 176 : return CE_None;
3369 : }
3370 :
3371 : /************************************************************************/
3372 : /* FlushCache() */
3373 : /************************************************************************/
3374 :
3375 2611 : CPLErr GDALGeoPackageDataset::FlushCache(bool bAtClosing)
3376 : {
3377 2611 : if (m_bInFlushCache)
3378 0 : return CE_None;
3379 :
3380 2611 : if (eAccess == GA_Update || !m_bMetadataDirty)
3381 : {
3382 2608 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3383 : }
3384 :
3385 2611 : if (m_bRemoveOGREmptyTable)
3386 : {
3387 656 : m_bRemoveOGREmptyTable = false;
3388 656 : RemoveOGREmptyTable();
3389 : }
3390 :
3391 2611 : CPLErr eErr = IFlushCacheWithErrCode(bAtClosing);
3392 :
3393 2611 : FlushMetadata();
3394 :
3395 2611 : if (eAccess == GA_Update || !m_bMetadataDirty)
3396 : {
3397 : // Needed again as above IFlushCacheWithErrCode()
3398 : // may have call GDALGeoPackageRasterBand::InvalidateStatistics()
3399 : // which modifies metadata
3400 2611 : SetPamFlags(GetPamFlags() & ~GPF_DIRTY);
3401 : }
3402 :
3403 2611 : return eErr;
3404 : }
3405 :
3406 4846 : CPLErr GDALGeoPackageDataset::IFlushCacheWithErrCode(bool bAtClosing)
3407 :
3408 : {
3409 4846 : if (m_bInFlushCache)
3410 2168 : return CE_None;
3411 2678 : m_bInFlushCache = true;
3412 2678 : if (hDB && eAccess == GA_ReadOnly && bAtClosing)
3413 : {
3414 : // Clean-up metadata that will go to PAM by removing items that
3415 : // are reconstructed.
3416 1950 : CPLStringList aosMD;
3417 1597 : for (CSLConstList papszIter = GetMetadata(); papszIter && *papszIter;
3418 : ++papszIter)
3419 : {
3420 622 : char *pszKey = nullptr;
3421 622 : CPLParseNameValue(*papszIter, &pszKey);
3422 1244 : if (pszKey &&
3423 622 : (EQUAL(pszKey, "AREA_OR_POINT") ||
3424 477 : EQUAL(pszKey, "IDENTIFIER") || EQUAL(pszKey, "DESCRIPTION") ||
3425 256 : EQUAL(pszKey, "ZOOM_LEVEL") ||
3426 652 : STARTS_WITH(pszKey, "GPKG_METADATA_ITEM_")))
3427 : {
3428 : // remove it
3429 : }
3430 : else
3431 : {
3432 30 : aosMD.AddString(*papszIter);
3433 : }
3434 622 : CPLFree(pszKey);
3435 : }
3436 975 : oMDMD.SetMetadata(aosMD.List());
3437 975 : oMDMD.SetMetadata(nullptr, "IMAGE_STRUCTURE");
3438 :
3439 1950 : GDALPamDataset::FlushCache(bAtClosing);
3440 : }
3441 : else
3442 : {
3443 : // Short circuit GDALPamDataset to avoid serialization to .aux.xml
3444 1703 : GDALDataset::FlushCache(bAtClosing);
3445 : }
3446 :
3447 6617 : for (auto &poLayer : m_apoLayers)
3448 : {
3449 3939 : poLayer->RunDeferredCreationIfNecessary();
3450 3939 : poLayer->CreateSpatialIndexIfNecessary();
3451 : }
3452 :
3453 : // Update raster table last_change column in gpkg_contents if needed
3454 2678 : if (m_bHasModifiedTiles)
3455 : {
3456 536 : for (int i = 1; i <= nBands; ++i)
3457 : {
3458 : auto poBand =
3459 357 : cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(i));
3460 357 : if (!poBand->HaveStatsMetadataBeenSetInThisSession())
3461 : {
3462 344 : poBand->InvalidateStatistics();
3463 344 : if (psPam && psPam->pszPamFilename)
3464 344 : VSIUnlink(psPam->pszPamFilename);
3465 : }
3466 : }
3467 :
3468 179 : UpdateGpkgContentsLastChange(m_osRasterTable);
3469 :
3470 179 : m_bHasModifiedTiles = false;
3471 : }
3472 :
3473 2678 : CPLErr eErr = FlushTiles();
3474 :
3475 2678 : m_bInFlushCache = false;
3476 2678 : return eErr;
3477 : }
3478 :
3479 : /************************************************************************/
3480 : /* GetCurrentDateEscapedSQL() */
3481 : /************************************************************************/
3482 :
3483 1901 : std::string GDALGeoPackageDataset::GetCurrentDateEscapedSQL()
3484 : {
3485 : const char *pszCurrentDate =
3486 1901 : CPLGetConfigOption("OGR_CURRENT_DATE", nullptr);
3487 1901 : if (pszCurrentDate)
3488 10 : return '\'' + SQLEscapeLiteral(pszCurrentDate) + '\'';
3489 1896 : return "strftime('%Y-%m-%dT%H:%M:%fZ','now')";
3490 : }
3491 :
3492 : /************************************************************************/
3493 : /* UpdateGpkgContentsLastChange() */
3494 : /************************************************************************/
3495 :
3496 : OGRErr
3497 820 : GDALGeoPackageDataset::UpdateGpkgContentsLastChange(const char *pszTableName)
3498 : {
3499 : char *pszSQL =
3500 820 : sqlite3_mprintf("UPDATE gpkg_contents SET "
3501 : "last_change = %s "
3502 : "WHERE lower(table_name) = lower('%q')",
3503 1640 : GetCurrentDateEscapedSQL().c_str(), pszTableName);
3504 820 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3505 820 : sqlite3_free(pszSQL);
3506 820 : return eErr;
3507 : }
3508 :
3509 : /************************************************************************/
3510 : /* IBuildOverviews() */
3511 : /************************************************************************/
3512 :
3513 20 : CPLErr GDALGeoPackageDataset::IBuildOverviews(
3514 : const char *pszResampling, int nOverviews, const int *panOverviewList,
3515 : int nBandsIn, const int * /*panBandList*/, GDALProgressFunc pfnProgress,
3516 : void *pProgressData, CSLConstList papszOptions)
3517 : {
3518 20 : if (GetAccess() != GA_Update)
3519 : {
3520 1 : CPLError(CE_Failure, CPLE_NotSupported,
3521 : "Overview building not supported on a database opened in "
3522 : "read-only mode");
3523 1 : return CE_Failure;
3524 : }
3525 19 : if (m_poParentDS != nullptr)
3526 : {
3527 1 : CPLError(CE_Failure, CPLE_NotSupported,
3528 : "Overview building not supported on overview dataset");
3529 1 : return CE_Failure;
3530 : }
3531 :
3532 18 : if (nOverviews == 0)
3533 : {
3534 5 : for (auto &poOvrDS : m_apoOverviewDS)
3535 3 : poOvrDS->FlushCache(false);
3536 :
3537 2 : SoftStartTransaction();
3538 :
3539 2 : if (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT)
3540 : {
3541 1 : char *pszSQL = sqlite3_mprintf(
3542 : "DELETE FROM gpkg_2d_gridded_tile_ancillary WHERE id IN "
3543 : "(SELECT y.id FROM \"%w\" x "
3544 : "JOIN gpkg_2d_gridded_tile_ancillary y "
3545 : "ON x.id = y.tpudt_id AND y.tpudt_name = '%q' AND "
3546 : "x.zoom_level < %d)",
3547 : m_osRasterTable.c_str(), m_osRasterTable.c_str(), m_nZoomLevel);
3548 1 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3549 1 : sqlite3_free(pszSQL);
3550 1 : if (eErr != OGRERR_NONE)
3551 : {
3552 0 : SoftRollbackTransaction();
3553 0 : return CE_Failure;
3554 : }
3555 : }
3556 :
3557 : char *pszSQL =
3558 2 : sqlite3_mprintf("DELETE FROM \"%w\" WHERE zoom_level < %d",
3559 : m_osRasterTable.c_str(), m_nZoomLevel);
3560 2 : OGRErr eErr = SQLCommand(hDB, pszSQL);
3561 2 : sqlite3_free(pszSQL);
3562 2 : if (eErr != OGRERR_NONE)
3563 : {
3564 0 : SoftRollbackTransaction();
3565 0 : return CE_Failure;
3566 : }
3567 :
3568 2 : SoftCommitTransaction();
3569 :
3570 2 : return CE_None;
3571 : }
3572 :
3573 16 : if (nBandsIn != nBands)
3574 : {
3575 0 : CPLError(CE_Failure, CPLE_NotSupported,
3576 : "Generation of overviews in GPKG only"
3577 : "supported when operating on all bands.");
3578 0 : return CE_Failure;
3579 : }
3580 :
3581 16 : if (m_apoOverviewDS.empty())
3582 : {
3583 0 : CPLError(CE_Failure, CPLE_AppDefined,
3584 : "Image too small to support overviews");
3585 0 : return CE_Failure;
3586 : }
3587 :
3588 16 : FlushCache(false);
3589 60 : for (int i = 0; i < nOverviews; i++)
3590 : {
3591 47 : if (panOverviewList[i] < 2)
3592 : {
3593 1 : CPLError(CE_Failure, CPLE_IllegalArg,
3594 : "Overview factor must be >= 2");
3595 1 : return CE_Failure;
3596 : }
3597 :
3598 46 : bool bFound = false;
3599 46 : int jCandidate = -1;
3600 46 : int nMaxOvFactor = 0;
3601 196 : for (int j = 0; j < static_cast<int>(m_apoOverviewDS.size()); j++)
3602 : {
3603 190 : const auto poODS = m_apoOverviewDS[j].get();
3604 : const int nOvFactor = static_cast<int>(
3605 190 : 0.5 + poODS->m_adfGeoTransform[1] / m_adfGeoTransform[1]);
3606 :
3607 190 : nMaxOvFactor = nOvFactor;
3608 :
3609 190 : if (nOvFactor == panOverviewList[i])
3610 : {
3611 40 : bFound = true;
3612 40 : break;
3613 : }
3614 :
3615 150 : if (jCandidate < 0 && nOvFactor > panOverviewList[i])
3616 1 : jCandidate = j;
3617 : }
3618 :
3619 46 : if (!bFound)
3620 : {
3621 : /* Mostly for debug */
3622 6 : if (!CPLTestBool(CPLGetConfigOption(
3623 : "ALLOW_GPKG_ZOOM_OTHER_EXTENSION", "YES")))
3624 : {
3625 2 : CPLString osOvrList;
3626 4 : for (const auto &poODS : m_apoOverviewDS)
3627 : {
3628 : const int nOvFactor =
3629 2 : static_cast<int>(0.5 + poODS->m_adfGeoTransform[1] /
3630 2 : m_adfGeoTransform[1]);
3631 :
3632 2 : if (!osOvrList.empty())
3633 0 : osOvrList += ' ';
3634 2 : osOvrList += CPLSPrintf("%d", nOvFactor);
3635 : }
3636 2 : CPLError(CE_Failure, CPLE_NotSupported,
3637 : "Only overviews %s can be computed",
3638 : osOvrList.c_str());
3639 2 : return CE_Failure;
3640 : }
3641 : else
3642 : {
3643 4 : int nOvFactor = panOverviewList[i];
3644 4 : if (jCandidate < 0)
3645 3 : jCandidate = static_cast<int>(m_apoOverviewDS.size());
3646 :
3647 4 : int nOvXSize = std::max(1, GetRasterXSize() / nOvFactor);
3648 4 : int nOvYSize = std::max(1, GetRasterYSize() / nOvFactor);
3649 4 : if (!(jCandidate == static_cast<int>(m_apoOverviewDS.size()) &&
3650 5 : nOvFactor == 2 * nMaxOvFactor) &&
3651 1 : !m_bZoomOther)
3652 : {
3653 1 : CPLError(CE_Warning, CPLE_AppDefined,
3654 : "Use of overview factor %d causes gpkg_zoom_other "
3655 : "extension to be needed",
3656 : nOvFactor);
3657 1 : RegisterZoomOtherExtension();
3658 1 : m_bZoomOther = true;
3659 : }
3660 :
3661 4 : SoftStartTransaction();
3662 :
3663 4 : CPLAssert(jCandidate > 0);
3664 : const int nNewZoomLevel =
3665 4 : m_apoOverviewDS[jCandidate - 1]->m_nZoomLevel;
3666 :
3667 : char *pszSQL;
3668 : OGRErr eErr;
3669 24 : for (int k = 0; k <= jCandidate; k++)
3670 : {
3671 60 : pszSQL = sqlite3_mprintf(
3672 : "UPDATE gpkg_tile_matrix SET zoom_level = %d "
3673 : "WHERE lower(table_name) = lower('%q') AND zoom_level "
3674 : "= %d",
3675 20 : m_nZoomLevel - k + 1, m_osRasterTable.c_str(),
3676 20 : m_nZoomLevel - k);
3677 20 : eErr = SQLCommand(hDB, pszSQL);
3678 20 : sqlite3_free(pszSQL);
3679 20 : if (eErr != OGRERR_NONE)
3680 : {
3681 0 : SoftRollbackTransaction();
3682 0 : return CE_Failure;
3683 : }
3684 :
3685 : pszSQL =
3686 20 : sqlite3_mprintf("UPDATE \"%w\" SET zoom_level = %d "
3687 : "WHERE zoom_level = %d",
3688 : m_osRasterTable.c_str(),
3689 20 : m_nZoomLevel - k + 1, m_nZoomLevel - k);
3690 20 : eErr = SQLCommand(hDB, pszSQL);
3691 20 : sqlite3_free(pszSQL);
3692 20 : if (eErr != OGRERR_NONE)
3693 : {
3694 0 : SoftRollbackTransaction();
3695 0 : return CE_Failure;
3696 : }
3697 : }
3698 :
3699 4 : double dfGDALMinX = m_adfGeoTransform[0];
3700 : double dfGDALMinY =
3701 4 : m_adfGeoTransform[3] + nRasterYSize * m_adfGeoTransform[5];
3702 : double dfGDALMaxX =
3703 4 : m_adfGeoTransform[0] + nRasterXSize * m_adfGeoTransform[1];
3704 4 : double dfGDALMaxY = m_adfGeoTransform[3];
3705 4 : double dfPixelXSizeZoomLevel = m_adfGeoTransform[1] * nOvFactor;
3706 : double dfPixelYSizeZoomLevel =
3707 4 : fabs(m_adfGeoTransform[5]) * nOvFactor;
3708 : int nTileWidth, nTileHeight;
3709 4 : GetRasterBand(1)->GetBlockSize(&nTileWidth, &nTileHeight);
3710 4 : int nTileMatrixWidth = DIV_ROUND_UP(nOvXSize, nTileWidth);
3711 4 : int nTileMatrixHeight = DIV_ROUND_UP(nOvYSize, nTileHeight);
3712 4 : pszSQL = sqlite3_mprintf(
3713 : "INSERT INTO gpkg_tile_matrix "
3714 : "(table_name,zoom_level,matrix_width,matrix_height,tile_"
3715 : "width,tile_height,pixel_x_size,pixel_y_size) VALUES "
3716 : "('%q',%d,%d,%d,%d,%d,%.17g,%.17g)",
3717 : m_osRasterTable.c_str(), nNewZoomLevel, nTileMatrixWidth,
3718 : nTileMatrixHeight, nTileWidth, nTileHeight,
3719 : dfPixelXSizeZoomLevel, dfPixelYSizeZoomLevel);
3720 4 : eErr = SQLCommand(hDB, pszSQL);
3721 4 : sqlite3_free(pszSQL);
3722 4 : if (eErr != OGRERR_NONE)
3723 : {
3724 0 : SoftRollbackTransaction();
3725 0 : return CE_Failure;
3726 : }
3727 :
3728 4 : SoftCommitTransaction();
3729 :
3730 4 : m_nZoomLevel++; /* this change our zoom level as well as
3731 : previous overviews */
3732 20 : for (int k = 0; k < jCandidate; k++)
3733 16 : m_apoOverviewDS[k]->m_nZoomLevel++;
3734 :
3735 4 : auto poOvrDS = std::make_unique<GDALGeoPackageDataset>();
3736 4 : poOvrDS->ShareLockWithParentDataset(this);
3737 4 : poOvrDS->InitRaster(
3738 : this, m_osRasterTable, nNewZoomLevel, nBands, m_dfTMSMinX,
3739 : m_dfTMSMaxY, dfPixelXSizeZoomLevel, dfPixelYSizeZoomLevel,
3740 : nTileWidth, nTileHeight, nTileMatrixWidth,
3741 : nTileMatrixHeight, dfGDALMinX, dfGDALMinY, dfGDALMaxX,
3742 : dfGDALMaxY);
3743 4 : m_apoOverviewDS.insert(m_apoOverviewDS.begin() + jCandidate,
3744 8 : std::move(poOvrDS));
3745 : }
3746 : }
3747 : }
3748 :
3749 : GDALRasterBand ***papapoOverviewBands = static_cast<GDALRasterBand ***>(
3750 13 : CPLCalloc(sizeof(GDALRasterBand **), nBands));
3751 13 : CPLErr eErr = CE_None;
3752 49 : for (int iBand = 0; eErr == CE_None && iBand < nBands; iBand++)
3753 : {
3754 72 : papapoOverviewBands[iBand] = static_cast<GDALRasterBand **>(
3755 36 : CPLCalloc(sizeof(GDALRasterBand *), nOverviews));
3756 36 : int iCurOverview = 0;
3757 185 : for (int i = 0; i < nOverviews; i++)
3758 : {
3759 149 : bool bFound = false;
3760 724 : for (const auto &poODS : m_apoOverviewDS)
3761 : {
3762 : const int nOvFactor = static_cast<int>(
3763 724 : 0.5 + poODS->m_adfGeoTransform[1] / m_adfGeoTransform[1]);
3764 :
3765 724 : if (nOvFactor == panOverviewList[i])
3766 : {
3767 298 : papapoOverviewBands[iBand][iCurOverview] =
3768 149 : poODS->GetRasterBand(iBand + 1);
3769 149 : iCurOverview++;
3770 149 : bFound = true;
3771 149 : break;
3772 : }
3773 : }
3774 149 : if (!bFound)
3775 : {
3776 0 : CPLError(CE_Failure, CPLE_AppDefined,
3777 : "Could not find dataset corresponding to ov factor %d",
3778 0 : panOverviewList[i]);
3779 0 : eErr = CE_Failure;
3780 : }
3781 : }
3782 36 : if (eErr == CE_None)
3783 : {
3784 36 : CPLAssert(iCurOverview == nOverviews);
3785 : }
3786 : }
3787 :
3788 13 : if (eErr == CE_None)
3789 13 : eErr = GDALRegenerateOverviewsMultiBand(
3790 13 : nBands, papoBands, nOverviews, papapoOverviewBands, pszResampling,
3791 : pfnProgress, pProgressData, papszOptions);
3792 :
3793 49 : for (int iBand = 0; iBand < nBands; iBand++)
3794 : {
3795 36 : CPLFree(papapoOverviewBands[iBand]);
3796 : }
3797 13 : CPLFree(papapoOverviewBands);
3798 :
3799 13 : return eErr;
3800 : }
3801 :
3802 : /************************************************************************/
3803 : /* GetFileList() */
3804 : /************************************************************************/
3805 :
3806 36 : char **GDALGeoPackageDataset::GetFileList()
3807 : {
3808 36 : TryLoadXML();
3809 36 : return GDALPamDataset::GetFileList();
3810 : }
3811 :
3812 : /************************************************************************/
3813 : /* GetMetadataDomainList() */
3814 : /************************************************************************/
3815 :
3816 47 : char **GDALGeoPackageDataset::GetMetadataDomainList()
3817 : {
3818 47 : GetMetadata();
3819 47 : if (!m_osRasterTable.empty())
3820 5 : GetMetadata("GEOPACKAGE");
3821 47 : return BuildMetadataDomainList(GDALPamDataset::GetMetadataDomainList(),
3822 47 : TRUE, "SUBDATASETS", nullptr);
3823 : }
3824 :
3825 : /************************************************************************/
3826 : /* CheckMetadataDomain() */
3827 : /************************************************************************/
3828 :
3829 5240 : const char *GDALGeoPackageDataset::CheckMetadataDomain(const char *pszDomain)
3830 : {
3831 5423 : if (pszDomain != nullptr && EQUAL(pszDomain, "GEOPACKAGE") &&
3832 183 : m_osRasterTable.empty())
3833 : {
3834 4 : CPLError(
3835 : CE_Warning, CPLE_IllegalArg,
3836 : "Using GEOPACKAGE for a non-raster geopackage is not supported. "
3837 : "Using default domain instead");
3838 4 : return nullptr;
3839 : }
3840 5236 : return pszDomain;
3841 : }
3842 :
3843 : /************************************************************************/
3844 : /* HasMetadataTables() */
3845 : /************************************************************************/
3846 :
3847 5329 : bool GDALGeoPackageDataset::HasMetadataTables() const
3848 : {
3849 5329 : if (m_nHasMetadataTables < 0)
3850 : {
3851 : const int nCount =
3852 1980 : SQLGetInteger(hDB,
3853 : "SELECT COUNT(*) FROM sqlite_master WHERE name IN "
3854 : "('gpkg_metadata', 'gpkg_metadata_reference') "
3855 : "AND type IN ('table', 'view')",
3856 : nullptr);
3857 1980 : m_nHasMetadataTables = nCount == 2;
3858 : }
3859 5329 : return CPL_TO_BOOL(m_nHasMetadataTables);
3860 : }
3861 :
3862 : /************************************************************************/
3863 : /* HasDataColumnsTable() */
3864 : /************************************************************************/
3865 :
3866 1180 : bool GDALGeoPackageDataset::HasDataColumnsTable() const
3867 : {
3868 2360 : const int nCount = SQLGetInteger(
3869 1180 : hDB,
3870 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_data_columns'"
3871 : "AND type IN ('table', 'view')",
3872 : nullptr);
3873 1180 : return nCount == 1;
3874 : }
3875 :
3876 : /************************************************************************/
3877 : /* HasDataColumnConstraintsTable() */
3878 : /************************************************************************/
3879 :
3880 120 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTable() const
3881 : {
3882 120 : const int nCount = SQLGetInteger(hDB,
3883 : "SELECT 1 FROM sqlite_master WHERE name = "
3884 : "'gpkg_data_column_constraints'"
3885 : "AND type IN ('table', 'view')",
3886 : nullptr);
3887 120 : return nCount == 1;
3888 : }
3889 :
3890 : /************************************************************************/
3891 : /* HasDataColumnConstraintsTableGPKG_1_0() */
3892 : /************************************************************************/
3893 :
3894 73 : bool GDALGeoPackageDataset::HasDataColumnConstraintsTableGPKG_1_0() const
3895 : {
3896 73 : if (m_nApplicationId != GP10_APPLICATION_ID)
3897 71 : return false;
3898 : // In GPKG 1.0, the columns were named minIsInclusive, maxIsInclusive
3899 : // They were changed in 1.1 to min_is_inclusive, max_is_inclusive
3900 2 : bool bRet = false;
3901 2 : sqlite3_stmt *hSQLStmt = nullptr;
3902 2 : int rc = sqlite3_prepare_v2(hDB,
3903 : "SELECT minIsInclusive, maxIsInclusive FROM "
3904 : "gpkg_data_column_constraints",
3905 : -1, &hSQLStmt, nullptr);
3906 2 : if (rc == SQLITE_OK)
3907 : {
3908 2 : bRet = true;
3909 2 : sqlite3_finalize(hSQLStmt);
3910 : }
3911 2 : return bRet;
3912 : }
3913 :
3914 : /************************************************************************/
3915 : /* CreateColumnsTableAndColumnConstraintsTablesIfNecessary() */
3916 : /************************************************************************/
3917 :
3918 49 : bool GDALGeoPackageDataset::
3919 : CreateColumnsTableAndColumnConstraintsTablesIfNecessary()
3920 : {
3921 49 : if (!HasDataColumnsTable())
3922 : {
3923 : // Geopackage < 1.3 had
3924 : // CONSTRAINT fk_gdc_tn FOREIGN KEY (table_name) REFERENCES
3925 : // gpkg_contents(table_name) instead of the unique constraint.
3926 10 : if (OGRERR_NONE !=
3927 10 : SQLCommand(
3928 : GetDB(),
3929 : "CREATE TABLE gpkg_data_columns ("
3930 : "table_name TEXT NOT NULL,"
3931 : "column_name TEXT NOT NULL,"
3932 : "name TEXT,"
3933 : "title TEXT,"
3934 : "description TEXT,"
3935 : "mime_type TEXT,"
3936 : "constraint_name TEXT,"
3937 : "CONSTRAINT pk_gdc PRIMARY KEY (table_name, column_name),"
3938 : "CONSTRAINT gdc_tn UNIQUE (table_name, name));"))
3939 : {
3940 0 : return false;
3941 : }
3942 : }
3943 49 : if (!HasDataColumnConstraintsTable())
3944 : {
3945 22 : const char *min_is_inclusive = m_nApplicationId != GP10_APPLICATION_ID
3946 11 : ? "min_is_inclusive"
3947 : : "minIsInclusive";
3948 22 : const char *max_is_inclusive = m_nApplicationId != GP10_APPLICATION_ID
3949 11 : ? "max_is_inclusive"
3950 : : "maxIsInclusive";
3951 :
3952 : const std::string osSQL(
3953 : CPLSPrintf("CREATE TABLE gpkg_data_column_constraints ("
3954 : "constraint_name TEXT NOT NULL,"
3955 : "constraint_type TEXT NOT NULL,"
3956 : "value TEXT,"
3957 : "min NUMERIC,"
3958 : "%s BOOLEAN,"
3959 : "max NUMERIC,"
3960 : "%s BOOLEAN,"
3961 : "description TEXT,"
3962 : "CONSTRAINT gdcc_ntv UNIQUE (constraint_name, "
3963 : "constraint_type, value));",
3964 11 : min_is_inclusive, max_is_inclusive));
3965 11 : if (OGRERR_NONE != SQLCommand(GetDB(), osSQL.c_str()))
3966 : {
3967 0 : return false;
3968 : }
3969 : }
3970 49 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
3971 : {
3972 0 : return false;
3973 : }
3974 49 : if (SQLGetInteger(GetDB(),
3975 : "SELECT 1 FROM gpkg_extensions WHERE "
3976 : "table_name = 'gpkg_data_columns'",
3977 49 : nullptr) != 1)
3978 : {
3979 11 : if (OGRERR_NONE !=
3980 11 : SQLCommand(
3981 : GetDB(),
3982 : "INSERT INTO gpkg_extensions "
3983 : "(table_name,column_name,extension_name,definition,scope) "
3984 : "VALUES ('gpkg_data_columns', NULL, 'gpkg_schema', "
3985 : "'http://www.geopackage.org/spec121/#extension_schema', "
3986 : "'read-write')"))
3987 : {
3988 0 : return false;
3989 : }
3990 : }
3991 49 : if (SQLGetInteger(GetDB(),
3992 : "SELECT 1 FROM gpkg_extensions WHERE "
3993 : "table_name = 'gpkg_data_column_constraints'",
3994 49 : nullptr) != 1)
3995 : {
3996 11 : if (OGRERR_NONE !=
3997 11 : SQLCommand(
3998 : GetDB(),
3999 : "INSERT INTO gpkg_extensions "
4000 : "(table_name,column_name,extension_name,definition,scope) "
4001 : "VALUES ('gpkg_data_column_constraints', NULL, 'gpkg_schema', "
4002 : "'http://www.geopackage.org/spec121/#extension_schema', "
4003 : "'read-write')"))
4004 : {
4005 0 : return false;
4006 : }
4007 : }
4008 :
4009 49 : return true;
4010 : }
4011 :
4012 : /************************************************************************/
4013 : /* HasGpkgextRelationsTable() */
4014 : /************************************************************************/
4015 :
4016 1176 : bool GDALGeoPackageDataset::HasGpkgextRelationsTable() const
4017 : {
4018 2352 : const int nCount = SQLGetInteger(
4019 1176 : hDB,
4020 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkgext_relations'"
4021 : "AND type IN ('table', 'view')",
4022 : nullptr);
4023 1176 : return nCount == 1;
4024 : }
4025 :
4026 : /************************************************************************/
4027 : /* CreateRelationsTableIfNecessary() */
4028 : /************************************************************************/
4029 :
4030 9 : bool GDALGeoPackageDataset::CreateRelationsTableIfNecessary()
4031 : {
4032 9 : if (HasGpkgextRelationsTable())
4033 : {
4034 5 : return true;
4035 : }
4036 :
4037 4 : if (OGRERR_NONE !=
4038 4 : SQLCommand(GetDB(), "CREATE TABLE gpkgext_relations ("
4039 : "id INTEGER PRIMARY KEY AUTOINCREMENT,"
4040 : "base_table_name TEXT NOT NULL,"
4041 : "base_primary_column TEXT NOT NULL DEFAULT 'id',"
4042 : "related_table_name TEXT NOT NULL,"
4043 : "related_primary_column TEXT NOT NULL DEFAULT 'id',"
4044 : "relation_name TEXT NOT NULL,"
4045 : "mapping_table_name TEXT NOT NULL UNIQUE);"))
4046 : {
4047 0 : return false;
4048 : }
4049 :
4050 4 : return true;
4051 : }
4052 :
4053 : /************************************************************************/
4054 : /* HasQGISLayerStyles() */
4055 : /************************************************************************/
4056 :
4057 11 : bool GDALGeoPackageDataset::HasQGISLayerStyles() const
4058 : {
4059 : // QGIS layer_styles extension:
4060 : // https://github.com/pka/qgpkg/blob/master/qgis_geopackage_extension.md
4061 11 : bool bRet = false;
4062 : const int nCount =
4063 11 : SQLGetInteger(hDB,
4064 : "SELECT 1 FROM sqlite_master WHERE name = 'layer_styles'"
4065 : "AND type = 'table'",
4066 : nullptr);
4067 11 : if (nCount == 1)
4068 : {
4069 1 : sqlite3_stmt *hSQLStmt = nullptr;
4070 2 : int rc = sqlite3_prepare_v2(
4071 1 : hDB, "SELECT f_table_name, f_geometry_column FROM layer_styles", -1,
4072 : &hSQLStmt, nullptr);
4073 1 : if (rc == SQLITE_OK)
4074 : {
4075 1 : bRet = true;
4076 1 : sqlite3_finalize(hSQLStmt);
4077 : }
4078 : }
4079 11 : return bRet;
4080 : }
4081 :
4082 : /************************************************************************/
4083 : /* GetMetadata() */
4084 : /************************************************************************/
4085 :
4086 3523 : char **GDALGeoPackageDataset::GetMetadata(const char *pszDomain)
4087 :
4088 : {
4089 3523 : pszDomain = CheckMetadataDomain(pszDomain);
4090 3523 : if (pszDomain != nullptr && EQUAL(pszDomain, "SUBDATASETS"))
4091 67 : return m_aosSubDatasets.List();
4092 :
4093 3456 : if (m_bHasReadMetadataFromStorage)
4094 1532 : return GDALPamDataset::GetMetadata(pszDomain);
4095 :
4096 1924 : m_bHasReadMetadataFromStorage = true;
4097 :
4098 1924 : TryLoadXML();
4099 :
4100 1924 : if (!HasMetadataTables())
4101 1418 : return GDALPamDataset::GetMetadata(pszDomain);
4102 :
4103 506 : char *pszSQL = nullptr;
4104 506 : if (!m_osRasterTable.empty())
4105 : {
4106 169 : pszSQL = sqlite3_mprintf(
4107 : "SELECT md.metadata, md.md_standard_uri, md.mime_type, "
4108 : "mdr.reference_scope FROM gpkg_metadata md "
4109 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4110 : "WHERE "
4111 : "(mdr.reference_scope = 'geopackage' OR "
4112 : "(mdr.reference_scope = 'table' AND lower(mdr.table_name) = "
4113 : "lower('%q'))) ORDER BY md.id "
4114 : "LIMIT 1000", // to avoid denial of service
4115 : m_osRasterTable.c_str());
4116 : }
4117 : else
4118 : {
4119 337 : pszSQL = sqlite3_mprintf(
4120 : "SELECT md.metadata, md.md_standard_uri, md.mime_type, "
4121 : "mdr.reference_scope FROM gpkg_metadata md "
4122 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4123 : "WHERE "
4124 : "mdr.reference_scope = 'geopackage' ORDER BY md.id "
4125 : "LIMIT 1000" // to avoid denial of service
4126 : );
4127 : }
4128 :
4129 1012 : auto oResult = SQLQuery(hDB, pszSQL);
4130 506 : sqlite3_free(pszSQL);
4131 506 : if (!oResult)
4132 : {
4133 0 : return GDALPamDataset::GetMetadata(pszDomain);
4134 : }
4135 :
4136 506 : char **papszMetadata = CSLDuplicate(GDALPamDataset::GetMetadata());
4137 :
4138 : /* GDAL metadata */
4139 695 : for (int i = 0; i < oResult->RowCount(); i++)
4140 : {
4141 189 : const char *pszMetadata = oResult->GetValue(0, i);
4142 189 : const char *pszMDStandardURI = oResult->GetValue(1, i);
4143 189 : const char *pszMimeType = oResult->GetValue(2, i);
4144 189 : const char *pszReferenceScope = oResult->GetValue(3, i);
4145 189 : if (pszMetadata && pszMDStandardURI && pszMimeType &&
4146 189 : pszReferenceScope && EQUAL(pszMDStandardURI, "http://gdal.org") &&
4147 173 : EQUAL(pszMimeType, "text/xml"))
4148 : {
4149 173 : CPLXMLNode *psXMLNode = CPLParseXMLString(pszMetadata);
4150 173 : if (psXMLNode)
4151 : {
4152 346 : GDALMultiDomainMetadata oLocalMDMD;
4153 173 : oLocalMDMD.XMLInit(psXMLNode, FALSE);
4154 331 : if (!m_osRasterTable.empty() &&
4155 158 : EQUAL(pszReferenceScope, "geopackage"))
4156 : {
4157 6 : oMDMD.SetMetadata(oLocalMDMD.GetMetadata(), "GEOPACKAGE");
4158 : }
4159 : else
4160 : {
4161 : papszMetadata =
4162 167 : CSLMerge(papszMetadata, oLocalMDMD.GetMetadata());
4163 167 : CSLConstList papszDomainList = oLocalMDMD.GetDomainList();
4164 167 : CSLConstList papszIter = papszDomainList;
4165 444 : while (papszIter && *papszIter)
4166 : {
4167 277 : if (EQUAL(*papszIter, "IMAGE_STRUCTURE"))
4168 : {
4169 : CSLConstList papszMD =
4170 125 : oLocalMDMD.GetMetadata(*papszIter);
4171 : const char *pszBAND_COUNT =
4172 125 : CSLFetchNameValue(papszMD, "BAND_COUNT");
4173 125 : if (pszBAND_COUNT)
4174 123 : m_nBandCountFromMetadata = atoi(pszBAND_COUNT);
4175 :
4176 : const char *pszCOLOR_TABLE =
4177 125 : CSLFetchNameValue(papszMD, "COLOR_TABLE");
4178 125 : if (pszCOLOR_TABLE)
4179 : {
4180 : const CPLStringList aosTokens(
4181 : CSLTokenizeString2(pszCOLOR_TABLE, "{,",
4182 26 : 0));
4183 13 : if ((aosTokens.size() % 4) == 0)
4184 : {
4185 13 : const int nColors = aosTokens.size() / 4;
4186 : m_poCTFromMetadata =
4187 13 : std::make_unique<GDALColorTable>();
4188 3341 : for (int iColor = 0; iColor < nColors;
4189 : ++iColor)
4190 : {
4191 : GDALColorEntry sEntry;
4192 3328 : sEntry.c1 = static_cast<short>(
4193 3328 : atoi(aosTokens[4 * iColor + 0]));
4194 3328 : sEntry.c2 = static_cast<short>(
4195 3328 : atoi(aosTokens[4 * iColor + 1]));
4196 3328 : sEntry.c3 = static_cast<short>(
4197 3328 : atoi(aosTokens[4 * iColor + 2]));
4198 3328 : sEntry.c4 = static_cast<short>(
4199 3328 : atoi(aosTokens[4 * iColor + 3]));
4200 3328 : m_poCTFromMetadata->SetColorEntry(
4201 : iColor, &sEntry);
4202 : }
4203 : }
4204 : }
4205 :
4206 : const char *pszTILE_FORMAT =
4207 125 : CSLFetchNameValue(papszMD, "TILE_FORMAT");
4208 125 : if (pszTILE_FORMAT)
4209 : {
4210 8 : m_osTFFromMetadata = pszTILE_FORMAT;
4211 8 : oMDMD.SetMetadataItem("TILE_FORMAT",
4212 : pszTILE_FORMAT,
4213 : "IMAGE_STRUCTURE");
4214 : }
4215 :
4216 : const char *pszNodataValue =
4217 125 : CSLFetchNameValue(papszMD, "NODATA_VALUE");
4218 125 : if (pszNodataValue)
4219 : {
4220 2 : m_osNodataValueFromMetadata = pszNodataValue;
4221 : }
4222 : }
4223 :
4224 152 : else if (!EQUAL(*papszIter, "") &&
4225 16 : !STARTS_WITH(*papszIter, "BAND_"))
4226 : {
4227 12 : oMDMD.SetMetadata(
4228 6 : oLocalMDMD.GetMetadata(*papszIter), *papszIter);
4229 : }
4230 277 : papszIter++;
4231 : }
4232 : }
4233 173 : CPLDestroyXMLNode(psXMLNode);
4234 : }
4235 : }
4236 : }
4237 :
4238 506 : GDALPamDataset::SetMetadata(papszMetadata);
4239 506 : CSLDestroy(papszMetadata);
4240 506 : papszMetadata = nullptr;
4241 :
4242 : /* Add non-GDAL metadata now */
4243 506 : int nNonGDALMDILocal = 1;
4244 506 : int nNonGDALMDIGeopackage = 1;
4245 695 : for (int i = 0; i < oResult->RowCount(); i++)
4246 : {
4247 189 : const char *pszMetadata = oResult->GetValue(0, i);
4248 189 : const char *pszMDStandardURI = oResult->GetValue(1, i);
4249 189 : const char *pszMimeType = oResult->GetValue(2, i);
4250 189 : const char *pszReferenceScope = oResult->GetValue(3, i);
4251 189 : if (pszMetadata == nullptr || pszMDStandardURI == nullptr ||
4252 189 : pszMimeType == nullptr || pszReferenceScope == nullptr)
4253 : {
4254 : // should not happen as there are NOT NULL constraints
4255 : // But a database could lack such NOT NULL constraints or have
4256 : // large values that would cause a memory allocation failure.
4257 0 : continue;
4258 : }
4259 189 : int bIsGPKGScope = EQUAL(pszReferenceScope, "geopackage");
4260 189 : if (EQUAL(pszMDStandardURI, "http://gdal.org") &&
4261 173 : EQUAL(pszMimeType, "text/xml"))
4262 173 : continue;
4263 :
4264 16 : if (!m_osRasterTable.empty() && bIsGPKGScope)
4265 : {
4266 8 : oMDMD.SetMetadataItem(
4267 : CPLSPrintf("GPKG_METADATA_ITEM_%d", nNonGDALMDIGeopackage),
4268 : pszMetadata, "GEOPACKAGE");
4269 8 : nNonGDALMDIGeopackage++;
4270 : }
4271 : /*else if( strcmp( pszMDStandardURI, "http://www.isotc211.org/2005/gmd"
4272 : ) == 0 && strcmp( pszMimeType, "text/xml" ) == 0 )
4273 : {
4274 : char* apszMD[2];
4275 : apszMD[0] = (char*)pszMetadata;
4276 : apszMD[1] = NULL;
4277 : oMDMD.SetMetadata(apszMD, "xml:MD_Metadata");
4278 : }*/
4279 : else
4280 : {
4281 8 : oMDMD.SetMetadataItem(
4282 : CPLSPrintf("GPKG_METADATA_ITEM_%d", nNonGDALMDILocal),
4283 : pszMetadata);
4284 8 : nNonGDALMDILocal++;
4285 : }
4286 : }
4287 :
4288 506 : return GDALPamDataset::GetMetadata(pszDomain);
4289 : }
4290 :
4291 : /************************************************************************/
4292 : /* WriteMetadata() */
4293 : /************************************************************************/
4294 :
4295 744 : void GDALGeoPackageDataset::WriteMetadata(
4296 : CPLXMLNode *psXMLNode, /* will be destroyed by the method */
4297 : const char *pszTableName)
4298 : {
4299 744 : const bool bIsEmpty = (psXMLNode == nullptr);
4300 744 : if (!HasMetadataTables())
4301 : {
4302 536 : if (bIsEmpty || !CreateMetadataTables())
4303 : {
4304 255 : CPLDestroyXMLNode(psXMLNode);
4305 255 : return;
4306 : }
4307 : }
4308 :
4309 489 : char *pszXML = nullptr;
4310 489 : if (!bIsEmpty)
4311 : {
4312 : CPLXMLNode *psMasterXMLNode =
4313 328 : CPLCreateXMLNode(nullptr, CXT_Element, "GDALMultiDomainMetadata");
4314 328 : psMasterXMLNode->psChild = psXMLNode;
4315 328 : pszXML = CPLSerializeXMLTree(psMasterXMLNode);
4316 328 : CPLDestroyXMLNode(psMasterXMLNode);
4317 : }
4318 : // cppcheck-suppress uselessAssignmentPtrArg
4319 489 : psXMLNode = nullptr;
4320 :
4321 489 : char *pszSQL = nullptr;
4322 489 : if (pszTableName && pszTableName[0] != '\0')
4323 : {
4324 341 : pszSQL = sqlite3_mprintf(
4325 : "SELECT md.id FROM gpkg_metadata md "
4326 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4327 : "WHERE md.md_scope = 'dataset' AND "
4328 : "md.md_standard_uri='http://gdal.org' "
4329 : "AND md.mime_type='text/xml' AND mdr.reference_scope = 'table' AND "
4330 : "lower(mdr.table_name) = lower('%q')",
4331 : pszTableName);
4332 : }
4333 : else
4334 : {
4335 148 : pszSQL = sqlite3_mprintf(
4336 : "SELECT md.id FROM gpkg_metadata md "
4337 : "JOIN gpkg_metadata_reference mdr ON (md.id = mdr.md_file_id ) "
4338 : "WHERE md.md_scope = 'dataset' AND "
4339 : "md.md_standard_uri='http://gdal.org' "
4340 : "AND md.mime_type='text/xml' AND mdr.reference_scope = "
4341 : "'geopackage'");
4342 : }
4343 : OGRErr err;
4344 489 : int mdId = SQLGetInteger(hDB, pszSQL, &err);
4345 489 : if (err != OGRERR_NONE)
4346 457 : mdId = -1;
4347 489 : sqlite3_free(pszSQL);
4348 :
4349 489 : if (bIsEmpty)
4350 : {
4351 161 : if (mdId >= 0)
4352 : {
4353 6 : SQLCommand(
4354 : hDB,
4355 : CPLSPrintf(
4356 : "DELETE FROM gpkg_metadata_reference WHERE md_file_id = %d",
4357 : mdId));
4358 6 : SQLCommand(
4359 : hDB,
4360 : CPLSPrintf("DELETE FROM gpkg_metadata WHERE id = %d", mdId));
4361 : }
4362 : }
4363 : else
4364 : {
4365 328 : if (mdId >= 0)
4366 : {
4367 26 : pszSQL = sqlite3_mprintf(
4368 : "UPDATE gpkg_metadata SET metadata = '%q' WHERE id = %d",
4369 : pszXML, mdId);
4370 : }
4371 : else
4372 : {
4373 : pszSQL =
4374 302 : sqlite3_mprintf("INSERT INTO gpkg_metadata (md_scope, "
4375 : "md_standard_uri, mime_type, metadata) VALUES "
4376 : "('dataset','http://gdal.org','text/xml','%q')",
4377 : pszXML);
4378 : }
4379 328 : SQLCommand(hDB, pszSQL);
4380 328 : sqlite3_free(pszSQL);
4381 :
4382 328 : CPLFree(pszXML);
4383 :
4384 328 : if (mdId < 0)
4385 : {
4386 302 : const sqlite_int64 nFID = sqlite3_last_insert_rowid(hDB);
4387 302 : if (pszTableName != nullptr && pszTableName[0] != '\0')
4388 : {
4389 290 : pszSQL = sqlite3_mprintf(
4390 : "INSERT INTO gpkg_metadata_reference (reference_scope, "
4391 : "table_name, timestamp, md_file_id) VALUES "
4392 : "('table', '%q', %s, %d)",
4393 580 : pszTableName, GetCurrentDateEscapedSQL().c_str(),
4394 : static_cast<int>(nFID));
4395 : }
4396 : else
4397 : {
4398 12 : pszSQL = sqlite3_mprintf(
4399 : "INSERT INTO gpkg_metadata_reference (reference_scope, "
4400 : "timestamp, md_file_id) VALUES "
4401 : "('geopackage', %s, %d)",
4402 24 : GetCurrentDateEscapedSQL().c_str(), static_cast<int>(nFID));
4403 : }
4404 : }
4405 : else
4406 : {
4407 26 : pszSQL = sqlite3_mprintf("UPDATE gpkg_metadata_reference SET "
4408 : "timestamp = %s WHERE md_file_id = %d",
4409 52 : GetCurrentDateEscapedSQL().c_str(), mdId);
4410 : }
4411 328 : SQLCommand(hDB, pszSQL);
4412 328 : sqlite3_free(pszSQL);
4413 : }
4414 : }
4415 :
4416 : /************************************************************************/
4417 : /* CreateMetadataTables() */
4418 : /************************************************************************/
4419 :
4420 299 : bool GDALGeoPackageDataset::CreateMetadataTables()
4421 : {
4422 : const bool bCreateTriggers =
4423 299 : CPLTestBool(CPLGetConfigOption("CREATE_TRIGGERS", "NO"));
4424 :
4425 : /* From C.10. gpkg_metadata Table 35. gpkg_metadata Table Definition SQL */
4426 : CPLString osSQL = "CREATE TABLE gpkg_metadata ("
4427 : "id INTEGER CONSTRAINT m_pk PRIMARY KEY ASC NOT NULL,"
4428 : "md_scope TEXT NOT NULL DEFAULT 'dataset',"
4429 : "md_standard_uri TEXT NOT NULL,"
4430 : "mime_type TEXT NOT NULL DEFAULT 'text/xml',"
4431 : "metadata TEXT NOT NULL DEFAULT ''"
4432 598 : ")";
4433 :
4434 : /* From D.2. metadata Table 40. metadata Trigger Definition SQL */
4435 299 : const char *pszMetadataTriggers =
4436 : "CREATE TRIGGER 'gpkg_metadata_md_scope_insert' "
4437 : "BEFORE INSERT ON 'gpkg_metadata' "
4438 : "FOR EACH ROW BEGIN "
4439 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata violates "
4440 : "constraint: md_scope must be one of undefined | fieldSession | "
4441 : "collectionSession | series | dataset | featureType | feature | "
4442 : "attributeType | attribute | tile | model | catalogue | schema | "
4443 : "taxonomy software | service | collectionHardware | "
4444 : "nonGeographicDataset | dimensionGroup') "
4445 : "WHERE NOT(NEW.md_scope IN "
4446 : "('undefined','fieldSession','collectionSession','series','dataset', "
4447 : "'featureType','feature','attributeType','attribute','tile','model', "
4448 : "'catalogue','schema','taxonomy','software','service', "
4449 : "'collectionHardware','nonGeographicDataset','dimensionGroup')); "
4450 : "END; "
4451 : "CREATE TRIGGER 'gpkg_metadata_md_scope_update' "
4452 : "BEFORE UPDATE OF 'md_scope' ON 'gpkg_metadata' "
4453 : "FOR EACH ROW BEGIN "
4454 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata violates "
4455 : "constraint: md_scope must be one of undefined | fieldSession | "
4456 : "collectionSession | series | dataset | featureType | feature | "
4457 : "attributeType | attribute | tile | model | catalogue | schema | "
4458 : "taxonomy software | service | collectionHardware | "
4459 : "nonGeographicDataset | dimensionGroup') "
4460 : "WHERE NOT(NEW.md_scope IN "
4461 : "('undefined','fieldSession','collectionSession','series','dataset', "
4462 : "'featureType','feature','attributeType','attribute','tile','model', "
4463 : "'catalogue','schema','taxonomy','software','service', "
4464 : "'collectionHardware','nonGeographicDataset','dimensionGroup')); "
4465 : "END";
4466 299 : if (bCreateTriggers)
4467 : {
4468 0 : osSQL += ";";
4469 0 : osSQL += pszMetadataTriggers;
4470 : }
4471 :
4472 : /* From C.11. gpkg_metadata_reference Table 36. gpkg_metadata_reference
4473 : * Table Definition SQL */
4474 : osSQL += ";"
4475 : "CREATE TABLE gpkg_metadata_reference ("
4476 : "reference_scope TEXT NOT NULL,"
4477 : "table_name TEXT,"
4478 : "column_name TEXT,"
4479 : "row_id_value INTEGER,"
4480 : "timestamp DATETIME NOT NULL DEFAULT "
4481 : "(strftime('%Y-%m-%dT%H:%M:%fZ','now')),"
4482 : "md_file_id INTEGER NOT NULL,"
4483 : "md_parent_id INTEGER,"
4484 : "CONSTRAINT crmr_mfi_fk FOREIGN KEY (md_file_id) REFERENCES "
4485 : "gpkg_metadata(id),"
4486 : "CONSTRAINT crmr_mpi_fk FOREIGN KEY (md_parent_id) REFERENCES "
4487 : "gpkg_metadata(id)"
4488 299 : ")";
4489 :
4490 : /* From D.3. metadata_reference Table 41. gpkg_metadata_reference Trigger
4491 : * Definition SQL */
4492 299 : const char *pszMetadataReferenceTriggers =
4493 : "CREATE TRIGGER 'gpkg_metadata_reference_reference_scope_insert' "
4494 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4495 : "FOR EACH ROW BEGIN "
4496 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4497 : "violates constraint: reference_scope must be one of \"geopackage\", "
4498 : "table\", \"column\", \"row\", \"row/col\"') "
4499 : "WHERE NOT NEW.reference_scope IN "
4500 : "('geopackage','table','column','row','row/col'); "
4501 : "END; "
4502 : "CREATE TRIGGER 'gpkg_metadata_reference_reference_scope_update' "
4503 : "BEFORE UPDATE OF 'reference_scope' ON 'gpkg_metadata_reference' "
4504 : "FOR EACH ROW BEGIN "
4505 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4506 : "violates constraint: reference_scope must be one of \"geopackage\", "
4507 : "\"table\", \"column\", \"row\", \"row/col\"') "
4508 : "WHERE NOT NEW.reference_scope IN "
4509 : "('geopackage','table','column','row','row/col'); "
4510 : "END; "
4511 : "CREATE TRIGGER 'gpkg_metadata_reference_column_name_insert' "
4512 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4513 : "FOR EACH ROW BEGIN "
4514 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4515 : "violates constraint: column name must be NULL when reference_scope "
4516 : "is \"geopackage\", \"table\" or \"row\"') "
4517 : "WHERE (NEW.reference_scope IN ('geopackage','table','row') "
4518 : "AND NEW.column_name IS NOT NULL); "
4519 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4520 : "violates constraint: column name must be defined for the specified "
4521 : "table when reference_scope is \"column\" or \"row/col\"') "
4522 : "WHERE (NEW.reference_scope IN ('column','row/col') "
4523 : "AND NOT NEW.table_name IN ( "
4524 : "SELECT name FROM SQLITE_MASTER WHERE type = 'table' "
4525 : "AND name = NEW.table_name "
4526 : "AND sql LIKE ('%' || NEW.column_name || '%'))); "
4527 : "END; "
4528 : "CREATE TRIGGER 'gpkg_metadata_reference_column_name_update' "
4529 : "BEFORE UPDATE OF column_name ON 'gpkg_metadata_reference' "
4530 : "FOR EACH ROW BEGIN "
4531 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4532 : "violates constraint: column name must be NULL when reference_scope "
4533 : "is \"geopackage\", \"table\" or \"row\"') "
4534 : "WHERE (NEW.reference_scope IN ('geopackage','table','row') "
4535 : "AND NEW.column_name IS NOT NULL); "
4536 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4537 : "violates constraint: column name must be defined for the specified "
4538 : "table when reference_scope is \"column\" or \"row/col\"') "
4539 : "WHERE (NEW.reference_scope IN ('column','row/col') "
4540 : "AND NOT NEW.table_name IN ( "
4541 : "SELECT name FROM SQLITE_MASTER WHERE type = 'table' "
4542 : "AND name = NEW.table_name "
4543 : "AND sql LIKE ('%' || NEW.column_name || '%'))); "
4544 : "END; "
4545 : "CREATE TRIGGER 'gpkg_metadata_reference_row_id_value_insert' "
4546 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4547 : "FOR EACH ROW BEGIN "
4548 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4549 : "violates constraint: row_id_value must be NULL when reference_scope "
4550 : "is \"geopackage\", \"table\" or \"column\"') "
4551 : "WHERE NEW.reference_scope IN ('geopackage','table','column') "
4552 : "AND NEW.row_id_value IS NOT NULL; "
4553 : "END; "
4554 : "CREATE TRIGGER 'gpkg_metadata_reference_row_id_value_update' "
4555 : "BEFORE UPDATE OF 'row_id_value' ON 'gpkg_metadata_reference' "
4556 : "FOR EACH ROW BEGIN "
4557 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4558 : "violates constraint: row_id_value must be NULL when reference_scope "
4559 : "is \"geopackage\", \"table\" or \"column\"') "
4560 : "WHERE NEW.reference_scope IN ('geopackage','table','column') "
4561 : "AND NEW.row_id_value IS NOT NULL; "
4562 : "END; "
4563 : "CREATE TRIGGER 'gpkg_metadata_reference_timestamp_insert' "
4564 : "BEFORE INSERT ON 'gpkg_metadata_reference' "
4565 : "FOR EACH ROW BEGIN "
4566 : "SELECT RAISE(ABORT, 'insert on table gpkg_metadata_reference "
4567 : "violates constraint: timestamp must be a valid time in ISO 8601 "
4568 : "\"yyyy-mm-ddThh:mm:ss.cccZ\" form') "
4569 : "WHERE NOT (NEW.timestamp GLOB "
4570 : "'[1-2][0-9][0-9][0-9]-[0-1][0-9]-[0-3][0-9]T[0-2][0-9]:[0-5][0-9]:[0-"
4571 : "5][0-9].[0-9][0-9][0-9]Z' "
4572 : "AND strftime('%s',NEW.timestamp) NOT NULL); "
4573 : "END; "
4574 : "CREATE TRIGGER 'gpkg_metadata_reference_timestamp_update' "
4575 : "BEFORE UPDATE OF 'timestamp' ON 'gpkg_metadata_reference' "
4576 : "FOR EACH ROW BEGIN "
4577 : "SELECT RAISE(ABORT, 'update on table gpkg_metadata_reference "
4578 : "violates constraint: timestamp must be a valid time in ISO 8601 "
4579 : "\"yyyy-mm-ddThh:mm:ss.cccZ\" form') "
4580 : "WHERE NOT (NEW.timestamp GLOB "
4581 : "'[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-"
4582 : "5][0-9].[0-9][0-9][0-9]Z' "
4583 : "AND strftime('%s',NEW.timestamp) NOT NULL); "
4584 : "END";
4585 299 : if (bCreateTriggers)
4586 : {
4587 0 : osSQL += ";";
4588 0 : osSQL += pszMetadataReferenceTriggers;
4589 : }
4590 :
4591 299 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
4592 2 : return false;
4593 :
4594 297 : osSQL += ";";
4595 : osSQL += "INSERT INTO gpkg_extensions "
4596 : "(table_name, column_name, extension_name, definition, scope) "
4597 : "VALUES "
4598 : "('gpkg_metadata', NULL, 'gpkg_metadata', "
4599 : "'http://www.geopackage.org/spec120/#extension_metadata', "
4600 297 : "'read-write')";
4601 :
4602 297 : osSQL += ";";
4603 : osSQL += "INSERT INTO gpkg_extensions "
4604 : "(table_name, column_name, extension_name, definition, scope) "
4605 : "VALUES "
4606 : "('gpkg_metadata_reference', NULL, 'gpkg_metadata', "
4607 : "'http://www.geopackage.org/spec120/#extension_metadata', "
4608 297 : "'read-write')";
4609 :
4610 297 : const bool bOK = SQLCommand(hDB, osSQL) == OGRERR_NONE;
4611 297 : m_nHasMetadataTables = bOK;
4612 297 : return bOK;
4613 : }
4614 :
4615 : /************************************************************************/
4616 : /* FlushMetadata() */
4617 : /************************************************************************/
4618 :
4619 8502 : void GDALGeoPackageDataset::FlushMetadata()
4620 : {
4621 8502 : if (!m_bMetadataDirty || m_poParentDS != nullptr ||
4622 374 : m_nCreateMetadataTables == FALSE)
4623 8134 : return;
4624 368 : m_bMetadataDirty = false;
4625 :
4626 368 : if (eAccess == GA_ReadOnly)
4627 : {
4628 3 : return;
4629 : }
4630 :
4631 365 : bool bCanWriteAreaOrPoint =
4632 728 : !m_bGridCellEncodingAsCO &&
4633 363 : (m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT);
4634 365 : if (!m_osRasterTable.empty())
4635 : {
4636 : const char *pszIdentifier =
4637 142 : GDALGeoPackageDataset::GetMetadataItem("IDENTIFIER");
4638 : const char *pszDescription =
4639 142 : GDALGeoPackageDataset::GetMetadataItem("DESCRIPTION");
4640 171 : if (!m_bIdentifierAsCO && pszIdentifier != nullptr &&
4641 29 : pszIdentifier != m_osIdentifier)
4642 : {
4643 14 : m_osIdentifier = pszIdentifier;
4644 : char *pszSQL =
4645 14 : sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' "
4646 : "WHERE lower(table_name) = lower('%q')",
4647 : pszIdentifier, m_osRasterTable.c_str());
4648 14 : SQLCommand(hDB, pszSQL);
4649 14 : sqlite3_free(pszSQL);
4650 : }
4651 149 : if (!m_bDescriptionAsCO && pszDescription != nullptr &&
4652 7 : pszDescription != m_osDescription)
4653 : {
4654 7 : m_osDescription = pszDescription;
4655 : char *pszSQL =
4656 7 : sqlite3_mprintf("UPDATE gpkg_contents SET description = '%q' "
4657 : "WHERE lower(table_name) = lower('%q')",
4658 : pszDescription, m_osRasterTable.c_str());
4659 7 : SQLCommand(hDB, pszSQL);
4660 7 : sqlite3_free(pszSQL);
4661 : }
4662 142 : if (bCanWriteAreaOrPoint)
4663 : {
4664 : const char *pszAreaOrPoint =
4665 28 : GDALGeoPackageDataset::GetMetadataItem(GDALMD_AREA_OR_POINT);
4666 28 : if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_AREA))
4667 : {
4668 23 : bCanWriteAreaOrPoint = false;
4669 23 : char *pszSQL = sqlite3_mprintf(
4670 : "UPDATE gpkg_2d_gridded_coverage_ancillary SET "
4671 : "grid_cell_encoding = 'grid-value-is-area' WHERE "
4672 : "lower(tile_matrix_set_name) = lower('%q')",
4673 : m_osRasterTable.c_str());
4674 23 : SQLCommand(hDB, pszSQL);
4675 23 : sqlite3_free(pszSQL);
4676 : }
4677 5 : else if (pszAreaOrPoint && EQUAL(pszAreaOrPoint, GDALMD_AOP_POINT))
4678 : {
4679 1 : bCanWriteAreaOrPoint = false;
4680 1 : char *pszSQL = sqlite3_mprintf(
4681 : "UPDATE gpkg_2d_gridded_coverage_ancillary SET "
4682 : "grid_cell_encoding = 'grid-value-is-center' WHERE "
4683 : "lower(tile_matrix_set_name) = lower('%q')",
4684 : m_osRasterTable.c_str());
4685 1 : SQLCommand(hDB, pszSQL);
4686 1 : sqlite3_free(pszSQL);
4687 : }
4688 : }
4689 : }
4690 :
4691 365 : char **papszMDDup = nullptr;
4692 568 : for (char **papszIter = GDALGeoPackageDataset::GetMetadata();
4693 568 : papszIter && *papszIter; ++papszIter)
4694 : {
4695 203 : if (STARTS_WITH_CI(*papszIter, "IDENTIFIER="))
4696 29 : continue;
4697 174 : if (STARTS_WITH_CI(*papszIter, "DESCRIPTION="))
4698 8 : continue;
4699 166 : if (STARTS_WITH_CI(*papszIter, "ZOOM_LEVEL="))
4700 14 : continue;
4701 152 : if (STARTS_WITH_CI(*papszIter, "GPKG_METADATA_ITEM_"))
4702 4 : continue;
4703 148 : if ((m_eTF == GPKG_TF_PNG_16BIT || m_eTF == GPKG_TF_TIFF_32BIT_FLOAT) &&
4704 29 : !bCanWriteAreaOrPoint &&
4705 26 : STARTS_WITH_CI(*papszIter, GDALMD_AREA_OR_POINT))
4706 : {
4707 26 : continue;
4708 : }
4709 122 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4710 : }
4711 :
4712 365 : CPLXMLNode *psXMLNode = nullptr;
4713 : {
4714 365 : GDALMultiDomainMetadata oLocalMDMD;
4715 365 : CSLConstList papszDomainList = oMDMD.GetDomainList();
4716 365 : CSLConstList papszIter = papszDomainList;
4717 365 : oLocalMDMD.SetMetadata(papszMDDup);
4718 705 : while (papszIter && *papszIter)
4719 : {
4720 340 : if (!EQUAL(*papszIter, "") &&
4721 172 : !EQUAL(*papszIter, "IMAGE_STRUCTURE") &&
4722 15 : !EQUAL(*papszIter, "GEOPACKAGE"))
4723 : {
4724 8 : oLocalMDMD.SetMetadata(oMDMD.GetMetadata(*papszIter),
4725 : *papszIter);
4726 : }
4727 340 : papszIter++;
4728 : }
4729 365 : if (m_nBandCountFromMetadata > 0)
4730 : {
4731 72 : oLocalMDMD.SetMetadataItem(
4732 : "BAND_COUNT", CPLSPrintf("%d", m_nBandCountFromMetadata),
4733 : "IMAGE_STRUCTURE");
4734 72 : if (nBands == 1)
4735 : {
4736 48 : const auto poCT = GetRasterBand(1)->GetColorTable();
4737 48 : if (poCT)
4738 : {
4739 16 : std::string osVal("{");
4740 8 : const int nColorCount = poCT->GetColorEntryCount();
4741 2056 : for (int i = 0; i < nColorCount; ++i)
4742 : {
4743 2048 : if (i > 0)
4744 2040 : osVal += ',';
4745 2048 : const GDALColorEntry *psEntry = poCT->GetColorEntry(i);
4746 : osVal +=
4747 2048 : CPLSPrintf("{%d,%d,%d,%d}", psEntry->c1,
4748 2048 : psEntry->c2, psEntry->c3, psEntry->c4);
4749 : }
4750 8 : osVal += '}';
4751 8 : oLocalMDMD.SetMetadataItem("COLOR_TABLE", osVal.c_str(),
4752 : "IMAGE_STRUCTURE");
4753 : }
4754 : }
4755 72 : if (nBands == 1)
4756 : {
4757 48 : const char *pszTILE_FORMAT = nullptr;
4758 48 : switch (m_eTF)
4759 : {
4760 0 : case GPKG_TF_PNG_JPEG:
4761 0 : pszTILE_FORMAT = "JPEG_PNG";
4762 0 : break;
4763 42 : case GPKG_TF_PNG:
4764 42 : break;
4765 0 : case GPKG_TF_PNG8:
4766 0 : pszTILE_FORMAT = "PNG8";
4767 0 : break;
4768 3 : case GPKG_TF_JPEG:
4769 3 : pszTILE_FORMAT = "JPEG";
4770 3 : break;
4771 3 : case GPKG_TF_WEBP:
4772 3 : pszTILE_FORMAT = "WEBP";
4773 3 : break;
4774 0 : case GPKG_TF_PNG_16BIT:
4775 0 : break;
4776 0 : case GPKG_TF_TIFF_32BIT_FLOAT:
4777 0 : break;
4778 : }
4779 48 : if (pszTILE_FORMAT)
4780 6 : oLocalMDMD.SetMetadataItem("TILE_FORMAT", pszTILE_FORMAT,
4781 : "IMAGE_STRUCTURE");
4782 : }
4783 : }
4784 507 : if (GetRasterCount() > 0 &&
4785 142 : GetRasterBand(1)->GetRasterDataType() == GDT_Byte)
4786 : {
4787 112 : int bHasNoData = FALSE;
4788 : const double dfNoDataValue =
4789 112 : GetRasterBand(1)->GetNoDataValue(&bHasNoData);
4790 112 : if (bHasNoData)
4791 : {
4792 3 : oLocalMDMD.SetMetadataItem("NODATA_VALUE",
4793 : CPLSPrintf("%.17g", dfNoDataValue),
4794 : "IMAGE_STRUCTURE");
4795 : }
4796 : }
4797 612 : for (int i = 1; i <= GetRasterCount(); ++i)
4798 : {
4799 : auto poBand =
4800 247 : cpl::down_cast<GDALGeoPackageRasterBand *>(GetRasterBand(i));
4801 247 : poBand->AddImplicitStatistics(false);
4802 247 : char **papszMD = GetRasterBand(i)->GetMetadata();
4803 247 : poBand->AddImplicitStatistics(true);
4804 247 : if (papszMD)
4805 : {
4806 14 : oLocalMDMD.SetMetadata(papszMD, CPLSPrintf("BAND_%d", i));
4807 : }
4808 : }
4809 365 : psXMLNode = oLocalMDMD.Serialize();
4810 : }
4811 :
4812 365 : CSLDestroy(papszMDDup);
4813 365 : papszMDDup = nullptr;
4814 :
4815 365 : WriteMetadata(psXMLNode, m_osRasterTable.c_str());
4816 :
4817 365 : if (!m_osRasterTable.empty())
4818 : {
4819 : char **papszGeopackageMD =
4820 142 : GDALGeoPackageDataset::GetMetadata("GEOPACKAGE");
4821 :
4822 142 : papszMDDup = nullptr;
4823 151 : for (char **papszIter = papszGeopackageMD; papszIter && *papszIter;
4824 : ++papszIter)
4825 : {
4826 9 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4827 : }
4828 :
4829 284 : GDALMultiDomainMetadata oLocalMDMD;
4830 142 : oLocalMDMD.SetMetadata(papszMDDup);
4831 142 : CSLDestroy(papszMDDup);
4832 142 : papszMDDup = nullptr;
4833 142 : psXMLNode = oLocalMDMD.Serialize();
4834 :
4835 142 : WriteMetadata(psXMLNode, nullptr);
4836 : }
4837 :
4838 602 : for (auto &poLayer : m_apoLayers)
4839 : {
4840 237 : const char *pszIdentifier = poLayer->GetMetadataItem("IDENTIFIER");
4841 237 : const char *pszDescription = poLayer->GetMetadataItem("DESCRIPTION");
4842 237 : if (pszIdentifier != nullptr)
4843 : {
4844 : char *pszSQL =
4845 3 : sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' "
4846 : "WHERE lower(table_name) = lower('%q')",
4847 : pszIdentifier, poLayer->GetName());
4848 3 : SQLCommand(hDB, pszSQL);
4849 3 : sqlite3_free(pszSQL);
4850 : }
4851 237 : if (pszDescription != nullptr)
4852 : {
4853 : char *pszSQL =
4854 3 : sqlite3_mprintf("UPDATE gpkg_contents SET description = '%q' "
4855 : "WHERE lower(table_name) = lower('%q')",
4856 : pszDescription, poLayer->GetName());
4857 3 : SQLCommand(hDB, pszSQL);
4858 3 : sqlite3_free(pszSQL);
4859 : }
4860 :
4861 237 : papszMDDup = nullptr;
4862 625 : for (char **papszIter = poLayer->GetMetadata(); papszIter && *papszIter;
4863 : ++papszIter)
4864 : {
4865 388 : if (STARTS_WITH_CI(*papszIter, "IDENTIFIER="))
4866 3 : continue;
4867 385 : if (STARTS_WITH_CI(*papszIter, "DESCRIPTION="))
4868 3 : continue;
4869 382 : if (STARTS_WITH_CI(*papszIter, "OLMD_FID64="))
4870 0 : continue;
4871 382 : papszMDDup = CSLInsertString(papszMDDup, -1, *papszIter);
4872 : }
4873 :
4874 : {
4875 237 : GDALMultiDomainMetadata oLocalMDMD;
4876 237 : char **papszDomainList = poLayer->GetMetadataDomainList();
4877 237 : char **papszIter = papszDomainList;
4878 237 : oLocalMDMD.SetMetadata(papszMDDup);
4879 513 : while (papszIter && *papszIter)
4880 : {
4881 276 : if (!EQUAL(*papszIter, ""))
4882 60 : oLocalMDMD.SetMetadata(poLayer->GetMetadata(*papszIter),
4883 : *papszIter);
4884 276 : papszIter++;
4885 : }
4886 237 : CSLDestroy(papszDomainList);
4887 237 : psXMLNode = oLocalMDMD.Serialize();
4888 : }
4889 :
4890 237 : CSLDestroy(papszMDDup);
4891 237 : papszMDDup = nullptr;
4892 :
4893 237 : WriteMetadata(psXMLNode, poLayer->GetName());
4894 : }
4895 : }
4896 :
4897 : /************************************************************************/
4898 : /* GetMetadataItem() */
4899 : /************************************************************************/
4900 :
4901 1550 : const char *GDALGeoPackageDataset::GetMetadataItem(const char *pszName,
4902 : const char *pszDomain)
4903 : {
4904 1550 : pszDomain = CheckMetadataDomain(pszDomain);
4905 1550 : return CSLFetchNameValue(GetMetadata(pszDomain), pszName);
4906 : }
4907 :
4908 : /************************************************************************/
4909 : /* SetMetadata() */
4910 : /************************************************************************/
4911 :
4912 146 : CPLErr GDALGeoPackageDataset::SetMetadata(char **papszMetadata,
4913 : const char *pszDomain)
4914 : {
4915 146 : pszDomain = CheckMetadataDomain(pszDomain);
4916 146 : m_bMetadataDirty = true;
4917 146 : GetMetadata(); /* force loading from storage if needed */
4918 146 : return GDALPamDataset::SetMetadata(papszMetadata, pszDomain);
4919 : }
4920 :
4921 : /************************************************************************/
4922 : /* SetMetadataItem() */
4923 : /************************************************************************/
4924 :
4925 21 : CPLErr GDALGeoPackageDataset::SetMetadataItem(const char *pszName,
4926 : const char *pszValue,
4927 : const char *pszDomain)
4928 : {
4929 21 : pszDomain = CheckMetadataDomain(pszDomain);
4930 21 : m_bMetadataDirty = true;
4931 21 : GetMetadata(); /* force loading from storage if needed */
4932 21 : return GDALPamDataset::SetMetadataItem(pszName, pszValue, pszDomain);
4933 : }
4934 :
4935 : /************************************************************************/
4936 : /* Create() */
4937 : /************************************************************************/
4938 :
4939 892 : int GDALGeoPackageDataset::Create(const char *pszFilename, int nXSize,
4940 : int nYSize, int nBandsIn, GDALDataType eDT,
4941 : char **papszOptions)
4942 : {
4943 1784 : CPLString osCommand;
4944 :
4945 : /* First, ensure there isn't any such file yet. */
4946 : VSIStatBufL sStatBuf;
4947 :
4948 892 : if (nBandsIn != 0)
4949 : {
4950 224 : if (eDT == GDT_Byte)
4951 : {
4952 154 : if (nBandsIn != 1 && nBandsIn != 2 && nBandsIn != 3 &&
4953 : nBandsIn != 4)
4954 : {
4955 1 : CPLError(CE_Failure, CPLE_NotSupported,
4956 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), "
4957 : "3 (RGB) or 4 (RGBA) band dataset supported for "
4958 : "Byte datatype");
4959 1 : return FALSE;
4960 : }
4961 : }
4962 70 : else if (eDT == GDT_Int16 || eDT == GDT_UInt16 || eDT == GDT_Float32)
4963 : {
4964 43 : if (nBandsIn != 1)
4965 : {
4966 3 : CPLError(CE_Failure, CPLE_NotSupported,
4967 : "Only single band dataset supported for non Byte "
4968 : "datatype");
4969 3 : return FALSE;
4970 : }
4971 : }
4972 : else
4973 : {
4974 27 : CPLError(CE_Failure, CPLE_NotSupported,
4975 : "Only Byte, Int16, UInt16 or Float32 supported");
4976 27 : return FALSE;
4977 : }
4978 : }
4979 :
4980 861 : const size_t nFilenameLen = strlen(pszFilename);
4981 861 : const bool bGpkgZip =
4982 856 : (nFilenameLen > strlen(".gpkg.zip") &&
4983 1717 : !STARTS_WITH(pszFilename, "/vsizip/") &&
4984 856 : EQUAL(pszFilename + nFilenameLen - strlen(".gpkg.zip"), ".gpkg.zip"));
4985 :
4986 : const bool bUseTempFile =
4987 862 : bGpkgZip || (CPLTestBool(CPLGetConfigOption(
4988 1 : "CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE", "NO")) &&
4989 1 : (VSIHasOptimizedReadMultiRange(pszFilename) != FALSE ||
4990 1 : EQUAL(CPLGetConfigOption(
4991 : "CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE", ""),
4992 861 : "FORCED")));
4993 :
4994 861 : bool bFileExists = false;
4995 861 : if (VSIStatL(pszFilename, &sStatBuf) == 0)
4996 : {
4997 10 : bFileExists = true;
4998 20 : if (nBandsIn == 0 || bUseTempFile ||
4999 10 : !CPLTestBool(
5000 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")))
5001 : {
5002 0 : CPLError(CE_Failure, CPLE_AppDefined,
5003 : "A file system object called '%s' already exists.",
5004 : pszFilename);
5005 :
5006 0 : return FALSE;
5007 : }
5008 : }
5009 :
5010 861 : if (bUseTempFile)
5011 : {
5012 3 : if (bGpkgZip)
5013 : {
5014 2 : std::string osFilenameInZip(CPLGetFilename(pszFilename));
5015 2 : osFilenameInZip.resize(osFilenameInZip.size() - strlen(".zip"));
5016 : m_osFinalFilename =
5017 2 : std::string("/vsizip/{") + pszFilename + "}/" + osFilenameInZip;
5018 : }
5019 : else
5020 : {
5021 1 : m_osFinalFilename = pszFilename;
5022 : }
5023 3 : m_pszFilename = CPLStrdup(
5024 6 : CPLGenerateTempFilenameSafe(CPLGetFilename(pszFilename)).c_str());
5025 3 : CPLDebug("GPKG", "Creating temporary file %s", m_pszFilename);
5026 : }
5027 : else
5028 : {
5029 858 : m_pszFilename = CPLStrdup(pszFilename);
5030 : }
5031 861 : m_bNew = true;
5032 861 : eAccess = GA_Update;
5033 861 : m_bDateTimeWithTZ =
5034 861 : EQUAL(CSLFetchNameValueDef(papszOptions, "DATETIME_FORMAT", "WITH_TZ"),
5035 : "WITH_TZ");
5036 :
5037 : // for test/debug purposes only. true is the nominal value
5038 861 : m_bPNGSupports2Bands =
5039 861 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_2BANDS", "TRUE"));
5040 861 : m_bPNGSupportsCT =
5041 861 : CPLTestBool(CPLGetConfigOption("GPKG_PNG_SUPPORTS_CT", "TRUE"));
5042 :
5043 861 : if (!OpenOrCreateDB(bFileExists
5044 : ? SQLITE_OPEN_READWRITE
5045 : : SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE))
5046 7 : return FALSE;
5047 :
5048 : /* Default to synchronous=off for performance for new file */
5049 1698 : if (!bFileExists &&
5050 844 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5051 : {
5052 345 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5053 : }
5054 :
5055 : /* OGR UTF-8 support. If we set the UTF-8 Pragma early on, it */
5056 : /* will be written into the main file and supported henceforth */
5057 854 : SQLCommand(hDB, "PRAGMA encoding = \"UTF-8\"");
5058 :
5059 854 : if (bFileExists)
5060 : {
5061 10 : VSILFILE *fp = VSIFOpenL(pszFilename, "rb");
5062 10 : if (fp)
5063 : {
5064 : GByte abyHeader[100];
5065 10 : VSIFReadL(abyHeader, 1, sizeof(abyHeader), fp);
5066 10 : VSIFCloseL(fp);
5067 :
5068 10 : memcpy(&m_nApplicationId, abyHeader + knApplicationIdPos, 4);
5069 10 : m_nApplicationId = CPL_MSBWORD32(m_nApplicationId);
5070 10 : memcpy(&m_nUserVersion, abyHeader + knUserVersionPos, 4);
5071 10 : m_nUserVersion = CPL_MSBWORD32(m_nUserVersion);
5072 :
5073 10 : if (m_nApplicationId == GP10_APPLICATION_ID)
5074 : {
5075 0 : CPLDebug("GPKG", "GeoPackage v1.0");
5076 : }
5077 10 : else if (m_nApplicationId == GP11_APPLICATION_ID)
5078 : {
5079 0 : CPLDebug("GPKG", "GeoPackage v1.1");
5080 : }
5081 10 : else if (m_nApplicationId == GPKG_APPLICATION_ID &&
5082 10 : m_nUserVersion >= GPKG_1_2_VERSION)
5083 : {
5084 10 : CPLDebug("GPKG", "GeoPackage v%d.%d.%d", m_nUserVersion / 10000,
5085 10 : (m_nUserVersion % 10000) / 100, m_nUserVersion % 100);
5086 : }
5087 : }
5088 :
5089 10 : DetectSpatialRefSysColumns();
5090 : }
5091 :
5092 854 : const char *pszVersion = CSLFetchNameValue(papszOptions, "VERSION");
5093 854 : if (pszVersion && !EQUAL(pszVersion, "AUTO"))
5094 : {
5095 40 : if (EQUAL(pszVersion, "1.0"))
5096 : {
5097 2 : m_nApplicationId = GP10_APPLICATION_ID;
5098 2 : m_nUserVersion = 0;
5099 : }
5100 38 : else if (EQUAL(pszVersion, "1.1"))
5101 : {
5102 1 : m_nApplicationId = GP11_APPLICATION_ID;
5103 1 : m_nUserVersion = 0;
5104 : }
5105 37 : else if (EQUAL(pszVersion, "1.2"))
5106 : {
5107 15 : m_nApplicationId = GPKG_APPLICATION_ID;
5108 15 : m_nUserVersion = GPKG_1_2_VERSION;
5109 : }
5110 22 : else if (EQUAL(pszVersion, "1.3"))
5111 : {
5112 3 : m_nApplicationId = GPKG_APPLICATION_ID;
5113 3 : m_nUserVersion = GPKG_1_3_VERSION;
5114 : }
5115 19 : else if (EQUAL(pszVersion, "1.4"))
5116 : {
5117 19 : m_nApplicationId = GPKG_APPLICATION_ID;
5118 19 : m_nUserVersion = GPKG_1_4_VERSION;
5119 : }
5120 : }
5121 :
5122 854 : SoftStartTransaction();
5123 :
5124 1708 : CPLString osSQL;
5125 854 : if (!bFileExists)
5126 : {
5127 : /* Requirement 10: A GeoPackage SHALL include a gpkg_spatial_ref_sys
5128 : * table */
5129 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5130 : osSQL = "CREATE TABLE gpkg_spatial_ref_sys ("
5131 : "srs_name TEXT NOT NULL,"
5132 : "srs_id INTEGER NOT NULL PRIMARY KEY,"
5133 : "organization TEXT NOT NULL,"
5134 : "organization_coordsys_id INTEGER NOT NULL,"
5135 : "definition TEXT NOT NULL,"
5136 844 : "description TEXT";
5137 844 : if (CPLTestBool(CSLFetchNameValueDef(papszOptions, "CRS_WKT_EXTENSION",
5138 1023 : "NO")) ||
5139 179 : (nBandsIn != 0 && eDT != GDT_Byte))
5140 : {
5141 42 : m_bHasDefinition12_063 = true;
5142 42 : osSQL += ", definition_12_063 TEXT NOT NULL";
5143 42 : if (m_nUserVersion >= GPKG_1_4_VERSION)
5144 : {
5145 40 : osSQL += ", epoch DOUBLE";
5146 40 : m_bHasEpochColumn = true;
5147 : }
5148 : }
5149 : osSQL += ")"
5150 : ";"
5151 : /* Requirement 11: The gpkg_spatial_ref_sys table in a
5152 : GeoPackage SHALL */
5153 : /* contain a record for EPSG:4326, the geodetic WGS84 SRS */
5154 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5155 :
5156 : "INSERT INTO gpkg_spatial_ref_sys ("
5157 : "srs_name, srs_id, organization, organization_coordsys_id, "
5158 844 : "definition, description";
5159 844 : if (m_bHasDefinition12_063)
5160 42 : osSQL += ", definition_12_063";
5161 : osSQL +=
5162 : ") VALUES ("
5163 : "'WGS 84 geodetic', 4326, 'EPSG', 4326, '"
5164 : "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS "
5165 : "84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],"
5166 : "AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY["
5167 : "\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY["
5168 : "\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\","
5169 : "EAST],AUTHORITY[\"EPSG\",\"4326\"]]"
5170 : "', 'longitude/latitude coordinates in decimal degrees on the WGS "
5171 844 : "84 spheroid'";
5172 844 : if (m_bHasDefinition12_063)
5173 : osSQL +=
5174 : ", 'GEODCRS[\"WGS 84\", DATUM[\"World Geodetic System 1984\", "
5175 : "ELLIPSOID[\"WGS 84\",6378137, 298.257223563, "
5176 : "LENGTHUNIT[\"metre\", 1.0]]], PRIMEM[\"Greenwich\", 0.0, "
5177 : "ANGLEUNIT[\"degree\",0.0174532925199433]], CS[ellipsoidal, "
5178 : "2], AXIS[\"latitude\", north, ORDER[1]], AXIS[\"longitude\", "
5179 : "east, ORDER[2]], ANGLEUNIT[\"degree\", 0.0174532925199433], "
5180 42 : "ID[\"EPSG\", 4326]]'";
5181 : osSQL +=
5182 : ")"
5183 : ";"
5184 : /* Requirement 11: The gpkg_spatial_ref_sys table in a GeoPackage
5185 : SHALL */
5186 : /* contain a record with an srs_id of -1, an organization of “NONE”,
5187 : */
5188 : /* an organization_coordsys_id of -1, and definition “undefined” */
5189 : /* for undefined Cartesian coordinate reference systems */
5190 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5191 : "INSERT INTO gpkg_spatial_ref_sys ("
5192 : "srs_name, srs_id, organization, organization_coordsys_id, "
5193 844 : "definition, description";
5194 844 : if (m_bHasDefinition12_063)
5195 42 : osSQL += ", definition_12_063";
5196 : osSQL += ") VALUES ("
5197 : "'Undefined Cartesian SRS', -1, 'NONE', -1, 'undefined', "
5198 844 : "'undefined Cartesian coordinate reference system'";
5199 844 : if (m_bHasDefinition12_063)
5200 42 : osSQL += ", 'undefined'";
5201 : osSQL +=
5202 : ")"
5203 : ";"
5204 : /* Requirement 11: The gpkg_spatial_ref_sys table in a GeoPackage
5205 : SHALL */
5206 : /* contain a record with an srs_id of 0, an organization of “NONE”,
5207 : */
5208 : /* an organization_coordsys_id of 0, and definition “undefined” */
5209 : /* for undefined geographic coordinate reference systems */
5210 : /* http://opengis.github.io/geopackage/#spatial_ref_sys */
5211 : "INSERT INTO gpkg_spatial_ref_sys ("
5212 : "srs_name, srs_id, organization, organization_coordsys_id, "
5213 844 : "definition, description";
5214 844 : if (m_bHasDefinition12_063)
5215 42 : osSQL += ", definition_12_063";
5216 : osSQL += ") VALUES ("
5217 : "'Undefined geographic SRS', 0, 'NONE', 0, 'undefined', "
5218 844 : "'undefined geographic coordinate reference system'";
5219 844 : if (m_bHasDefinition12_063)
5220 42 : osSQL += ", 'undefined'";
5221 : osSQL += ")"
5222 : ";"
5223 : /* Requirement 13: A GeoPackage file SHALL include a
5224 : gpkg_contents table */
5225 : /* http://opengis.github.io/geopackage/#_contents */
5226 : "CREATE TABLE gpkg_contents ("
5227 : "table_name TEXT NOT NULL PRIMARY KEY,"
5228 : "data_type TEXT NOT NULL,"
5229 : "identifier TEXT UNIQUE,"
5230 : "description TEXT DEFAULT '',"
5231 : "last_change DATETIME NOT NULL DEFAULT "
5232 : "(strftime('%Y-%m-%dT%H:%M:%fZ','now')),"
5233 : "min_x DOUBLE, min_y DOUBLE,"
5234 : "max_x DOUBLE, max_y DOUBLE,"
5235 : "srs_id INTEGER,"
5236 : "CONSTRAINT fk_gc_r_srs_id FOREIGN KEY (srs_id) REFERENCES "
5237 : "gpkg_spatial_ref_sys(srs_id)"
5238 844 : ")";
5239 :
5240 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5241 844 : if (CPLFetchBool(papszOptions, "ADD_GPKG_OGR_CONTENTS", true))
5242 : {
5243 839 : m_bHasGPKGOGRContents = true;
5244 : osSQL += ";"
5245 : "CREATE TABLE gpkg_ogr_contents("
5246 : "table_name TEXT NOT NULL PRIMARY KEY,"
5247 : "feature_count INTEGER DEFAULT NULL"
5248 839 : ")";
5249 : }
5250 : #endif
5251 :
5252 : /* Requirement 21: A GeoPackage with a gpkg_contents table row with a
5253 : * “features” */
5254 : /* data_type SHALL contain a gpkg_geometry_columns table or updateable
5255 : * view */
5256 : /* http://opengis.github.io/geopackage/#_geometry_columns */
5257 : const bool bCreateGeometryColumns =
5258 844 : CPLTestBool(CPLGetConfigOption("CREATE_GEOMETRY_COLUMNS", "YES"));
5259 844 : if (bCreateGeometryColumns)
5260 : {
5261 843 : m_bHasGPKGGeometryColumns = true;
5262 843 : osSQL += ";";
5263 843 : osSQL += pszCREATE_GPKG_GEOMETRY_COLUMNS;
5264 : }
5265 : }
5266 :
5267 : const bool bCreateTriggers =
5268 854 : CPLTestBool(CPLGetConfigOption("CREATE_TRIGGERS", "YES"));
5269 10 : if ((bFileExists && nBandsIn != 0 &&
5270 10 : SQLGetInteger(
5271 : hDB,
5272 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_tile_matrix_set' "
5273 : "AND type in ('table', 'view')",
5274 1708 : nullptr) == 0) ||
5275 853 : (!bFileExists &&
5276 844 : CPLTestBool(CPLGetConfigOption("CREATE_RASTER_TABLES", "YES"))))
5277 : {
5278 844 : if (!osSQL.empty())
5279 843 : osSQL += ";";
5280 :
5281 : /* From C.5. gpkg_tile_matrix_set Table 28. gpkg_tile_matrix_set Table
5282 : * Creation SQL */
5283 : osSQL += "CREATE TABLE gpkg_tile_matrix_set ("
5284 : "table_name TEXT NOT NULL PRIMARY KEY,"
5285 : "srs_id INTEGER NOT NULL,"
5286 : "min_x DOUBLE NOT NULL,"
5287 : "min_y DOUBLE NOT NULL,"
5288 : "max_x DOUBLE NOT NULL,"
5289 : "max_y DOUBLE NOT NULL,"
5290 : "CONSTRAINT fk_gtms_table_name FOREIGN KEY (table_name) "
5291 : "REFERENCES gpkg_contents(table_name),"
5292 : "CONSTRAINT fk_gtms_srs FOREIGN KEY (srs_id) REFERENCES "
5293 : "gpkg_spatial_ref_sys (srs_id)"
5294 : ")"
5295 : ";"
5296 :
5297 : /* From C.6. gpkg_tile_matrix Table 29. gpkg_tile_matrix Table
5298 : Creation SQL */
5299 : "CREATE TABLE gpkg_tile_matrix ("
5300 : "table_name TEXT NOT NULL,"
5301 : "zoom_level INTEGER NOT NULL,"
5302 : "matrix_width INTEGER NOT NULL,"
5303 : "matrix_height INTEGER NOT NULL,"
5304 : "tile_width INTEGER NOT NULL,"
5305 : "tile_height INTEGER NOT NULL,"
5306 : "pixel_x_size DOUBLE NOT NULL,"
5307 : "pixel_y_size DOUBLE NOT NULL,"
5308 : "CONSTRAINT pk_ttm PRIMARY KEY (table_name, zoom_level),"
5309 : "CONSTRAINT fk_tmm_table_name FOREIGN KEY (table_name) "
5310 : "REFERENCES gpkg_contents(table_name)"
5311 844 : ")";
5312 :
5313 844 : if (bCreateTriggers)
5314 : {
5315 : /* From D.1. gpkg_tile_matrix Table 39. gpkg_tile_matrix Trigger
5316 : * Definition SQL */
5317 844 : const char *pszTileMatrixTrigger =
5318 : "CREATE TRIGGER 'gpkg_tile_matrix_zoom_level_insert' "
5319 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5320 : "FOR EACH ROW BEGIN "
5321 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5322 : "violates constraint: zoom_level cannot be less than 0') "
5323 : "WHERE (NEW.zoom_level < 0); "
5324 : "END; "
5325 : "CREATE TRIGGER 'gpkg_tile_matrix_zoom_level_update' "
5326 : "BEFORE UPDATE of zoom_level ON 'gpkg_tile_matrix' "
5327 : "FOR EACH ROW BEGIN "
5328 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5329 : "violates constraint: zoom_level cannot be less than 0') "
5330 : "WHERE (NEW.zoom_level < 0); "
5331 : "END; "
5332 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_width_insert' "
5333 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5334 : "FOR EACH ROW BEGIN "
5335 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5336 : "violates constraint: matrix_width cannot be less than 1') "
5337 : "WHERE (NEW.matrix_width < 1); "
5338 : "END; "
5339 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_width_update' "
5340 : "BEFORE UPDATE OF matrix_width ON 'gpkg_tile_matrix' "
5341 : "FOR EACH ROW BEGIN "
5342 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5343 : "violates constraint: matrix_width cannot be less than 1') "
5344 : "WHERE (NEW.matrix_width < 1); "
5345 : "END; "
5346 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_height_insert' "
5347 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5348 : "FOR EACH ROW BEGIN "
5349 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5350 : "violates constraint: matrix_height cannot be less than 1') "
5351 : "WHERE (NEW.matrix_height < 1); "
5352 : "END; "
5353 : "CREATE TRIGGER 'gpkg_tile_matrix_matrix_height_update' "
5354 : "BEFORE UPDATE OF matrix_height ON 'gpkg_tile_matrix' "
5355 : "FOR EACH ROW BEGIN "
5356 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5357 : "violates constraint: matrix_height cannot be less than 1') "
5358 : "WHERE (NEW.matrix_height < 1); "
5359 : "END; "
5360 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_x_size_insert' "
5361 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5362 : "FOR EACH ROW BEGIN "
5363 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5364 : "violates constraint: pixel_x_size must be greater than 0') "
5365 : "WHERE NOT (NEW.pixel_x_size > 0); "
5366 : "END; "
5367 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_x_size_update' "
5368 : "BEFORE UPDATE OF pixel_x_size ON 'gpkg_tile_matrix' "
5369 : "FOR EACH ROW BEGIN "
5370 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5371 : "violates constraint: pixel_x_size must be greater than 0') "
5372 : "WHERE NOT (NEW.pixel_x_size > 0); "
5373 : "END; "
5374 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_y_size_insert' "
5375 : "BEFORE INSERT ON 'gpkg_tile_matrix' "
5376 : "FOR EACH ROW BEGIN "
5377 : "SELECT RAISE(ABORT, 'insert on table ''gpkg_tile_matrix'' "
5378 : "violates constraint: pixel_y_size must be greater than 0') "
5379 : "WHERE NOT (NEW.pixel_y_size > 0); "
5380 : "END; "
5381 : "CREATE TRIGGER 'gpkg_tile_matrix_pixel_y_size_update' "
5382 : "BEFORE UPDATE OF pixel_y_size ON 'gpkg_tile_matrix' "
5383 : "FOR EACH ROW BEGIN "
5384 : "SELECT RAISE(ABORT, 'update on table ''gpkg_tile_matrix'' "
5385 : "violates constraint: pixel_y_size must be greater than 0') "
5386 : "WHERE NOT (NEW.pixel_y_size > 0); "
5387 : "END;";
5388 844 : osSQL += ";";
5389 844 : osSQL += pszTileMatrixTrigger;
5390 : }
5391 : }
5392 :
5393 854 : if (!osSQL.empty() && OGRERR_NONE != SQLCommand(hDB, osSQL))
5394 1 : return FALSE;
5395 :
5396 853 : if (!bFileExists)
5397 : {
5398 : const char *pszMetadataTables =
5399 843 : CSLFetchNameValue(papszOptions, "METADATA_TABLES");
5400 843 : if (pszMetadataTables)
5401 9 : m_nCreateMetadataTables = int(CPLTestBool(pszMetadataTables));
5402 :
5403 843 : if (m_nCreateMetadataTables == TRUE && !CreateMetadataTables())
5404 0 : return FALSE;
5405 :
5406 843 : if (m_bHasDefinition12_063)
5407 : {
5408 84 : if (OGRERR_NONE != CreateExtensionsTableIfNecessary() ||
5409 : OGRERR_NONE !=
5410 42 : SQLCommand(hDB, "INSERT INTO gpkg_extensions "
5411 : "(table_name, column_name, extension_name, "
5412 : "definition, scope) "
5413 : "VALUES "
5414 : "('gpkg_spatial_ref_sys', "
5415 : "'definition_12_063', 'gpkg_crs_wkt', "
5416 : "'http://www.geopackage.org/spec120/"
5417 : "#extension_crs_wkt', 'read-write')"))
5418 : {
5419 0 : return FALSE;
5420 : }
5421 42 : if (m_bHasEpochColumn)
5422 : {
5423 40 : if (OGRERR_NONE !=
5424 40 : SQLCommand(
5425 : hDB, "UPDATE gpkg_extensions SET extension_name = "
5426 : "'gpkg_crs_wkt_1_1' "
5427 80 : "WHERE extension_name = 'gpkg_crs_wkt'") ||
5428 : OGRERR_NONE !=
5429 40 : SQLCommand(hDB, "INSERT INTO gpkg_extensions "
5430 : "(table_name, column_name, "
5431 : "extension_name, definition, scope) "
5432 : "VALUES "
5433 : "('gpkg_spatial_ref_sys', 'epoch', "
5434 : "'gpkg_crs_wkt_1_1', "
5435 : "'http://www.geopackage.org/spec/"
5436 : "#extension_crs_wkt', "
5437 : "'read-write')"))
5438 : {
5439 0 : return FALSE;
5440 : }
5441 : }
5442 : }
5443 : }
5444 :
5445 853 : if (nBandsIn != 0)
5446 : {
5447 188 : const std::string osTableName = CPLGetBasenameSafe(m_pszFilename);
5448 : m_osRasterTable = CSLFetchNameValueDef(papszOptions, "RASTER_TABLE",
5449 188 : osTableName.c_str());
5450 188 : if (m_osRasterTable.empty())
5451 : {
5452 0 : CPLError(CE_Failure, CPLE_AppDefined,
5453 : "RASTER_TABLE must be set to a non empty value");
5454 0 : return FALSE;
5455 : }
5456 188 : m_bIdentifierAsCO =
5457 188 : CSLFetchNameValue(papszOptions, "RASTER_IDENTIFIER") != nullptr;
5458 : m_osIdentifier = CSLFetchNameValueDef(papszOptions, "RASTER_IDENTIFIER",
5459 188 : m_osRasterTable);
5460 188 : m_bDescriptionAsCO =
5461 188 : CSLFetchNameValue(papszOptions, "RASTER_DESCRIPTION") != nullptr;
5462 : m_osDescription =
5463 188 : CSLFetchNameValueDef(papszOptions, "RASTER_DESCRIPTION", "");
5464 188 : SetDataType(eDT);
5465 188 : if (eDT == GDT_Int16)
5466 16 : SetGlobalOffsetScale(-32768.0, 1.0);
5467 :
5468 : /* From C.7. sample_tile_pyramid (Informative) Table 31. EXAMPLE: tiles
5469 : * table Create Table SQL (Informative) */
5470 : char *pszSQL =
5471 188 : sqlite3_mprintf("CREATE TABLE \"%w\" ("
5472 : "id INTEGER PRIMARY KEY AUTOINCREMENT,"
5473 : "zoom_level INTEGER NOT NULL,"
5474 : "tile_column INTEGER NOT NULL,"
5475 : "tile_row INTEGER NOT NULL,"
5476 : "tile_data BLOB NOT NULL,"
5477 : "UNIQUE (zoom_level, tile_column, tile_row)"
5478 : ")",
5479 : m_osRasterTable.c_str());
5480 188 : osSQL = pszSQL;
5481 188 : sqlite3_free(pszSQL);
5482 :
5483 188 : if (bCreateTriggers)
5484 : {
5485 188 : osSQL += ";";
5486 188 : osSQL += CreateRasterTriggersSQL(m_osRasterTable);
5487 : }
5488 :
5489 188 : OGRErr eErr = SQLCommand(hDB, osSQL);
5490 188 : if (OGRERR_NONE != eErr)
5491 0 : return FALSE;
5492 :
5493 188 : const char *pszTF = CSLFetchNameValue(papszOptions, "TILE_FORMAT");
5494 188 : if (eDT == GDT_Int16 || eDT == GDT_UInt16)
5495 : {
5496 27 : m_eTF = GPKG_TF_PNG_16BIT;
5497 27 : if (pszTF)
5498 : {
5499 1 : if (!EQUAL(pszTF, "AUTO") && !EQUAL(pszTF, "PNG"))
5500 : {
5501 0 : CPLError(CE_Warning, CPLE_NotSupported,
5502 : "Only AUTO or PNG supported "
5503 : "as tile format for Int16 / UInt16");
5504 : }
5505 : }
5506 : }
5507 161 : else if (eDT == GDT_Float32)
5508 : {
5509 13 : m_eTF = GPKG_TF_TIFF_32BIT_FLOAT;
5510 13 : if (pszTF)
5511 : {
5512 5 : if (EQUAL(pszTF, "PNG"))
5513 5 : m_eTF = GPKG_TF_PNG_16BIT;
5514 0 : else if (!EQUAL(pszTF, "AUTO") && !EQUAL(pszTF, "TIFF"))
5515 : {
5516 0 : CPLError(CE_Warning, CPLE_NotSupported,
5517 : "Only AUTO, PNG or TIFF supported "
5518 : "as tile format for Float32");
5519 : }
5520 : }
5521 : }
5522 : else
5523 : {
5524 148 : if (pszTF)
5525 : {
5526 71 : m_eTF = GDALGPKGMBTilesGetTileFormat(pszTF);
5527 71 : if (nBandsIn == 1 && m_eTF != GPKG_TF_PNG)
5528 7 : m_bMetadataDirty = true;
5529 : }
5530 77 : else if (nBandsIn == 1)
5531 66 : m_eTF = GPKG_TF_PNG;
5532 : }
5533 :
5534 188 : if (eDT != GDT_Byte)
5535 : {
5536 40 : if (!CreateTileGriddedTable(papszOptions))
5537 0 : return FALSE;
5538 : }
5539 :
5540 188 : nRasterXSize = nXSize;
5541 188 : nRasterYSize = nYSize;
5542 :
5543 : const char *pszTileSize =
5544 188 : CSLFetchNameValueDef(papszOptions, "BLOCKSIZE", "256");
5545 : const char *pszTileWidth =
5546 188 : CSLFetchNameValueDef(papszOptions, "BLOCKXSIZE", pszTileSize);
5547 : const char *pszTileHeight =
5548 188 : CSLFetchNameValueDef(papszOptions, "BLOCKYSIZE", pszTileSize);
5549 188 : int nTileWidth = atoi(pszTileWidth);
5550 188 : int nTileHeight = atoi(pszTileHeight);
5551 188 : if ((nTileWidth < 8 || nTileWidth > 4096 || nTileHeight < 8 ||
5552 376 : nTileHeight > 4096) &&
5553 1 : !CPLTestBool(CPLGetConfigOption("GPKG_ALLOW_CRAZY_SETTINGS", "NO")))
5554 : {
5555 0 : CPLError(CE_Failure, CPLE_AppDefined,
5556 : "Invalid block dimensions: %dx%d", nTileWidth,
5557 : nTileHeight);
5558 0 : return FALSE;
5559 : }
5560 :
5561 509 : for (int i = 1; i <= nBandsIn; i++)
5562 : {
5563 321 : SetBand(i, std::make_unique<GDALGeoPackageRasterBand>(
5564 : this, nTileWidth, nTileHeight));
5565 : }
5566 :
5567 188 : GDALPamDataset::SetMetadataItem("INTERLEAVE", "PIXEL",
5568 : "IMAGE_STRUCTURE");
5569 188 : GDALPamDataset::SetMetadataItem("IDENTIFIER", m_osIdentifier);
5570 188 : if (!m_osDescription.empty())
5571 1 : GDALPamDataset::SetMetadataItem("DESCRIPTION", m_osDescription);
5572 :
5573 188 : ParseCompressionOptions(papszOptions);
5574 :
5575 188 : if (m_eTF == GPKG_TF_WEBP)
5576 : {
5577 10 : if (!RegisterWebPExtension())
5578 0 : return FALSE;
5579 : }
5580 :
5581 : m_osTilingScheme =
5582 188 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5583 188 : if (!EQUAL(m_osTilingScheme, "CUSTOM"))
5584 : {
5585 22 : const auto poTS = GetTilingScheme(m_osTilingScheme);
5586 22 : if (!poTS)
5587 0 : return FALSE;
5588 :
5589 43 : if (nTileWidth != poTS->nTileWidth ||
5590 21 : nTileHeight != poTS->nTileHeight)
5591 : {
5592 2 : CPLError(CE_Failure, CPLE_NotSupported,
5593 : "Tile dimension should be %dx%d for %s tiling scheme",
5594 1 : poTS->nTileWidth, poTS->nTileHeight,
5595 : m_osTilingScheme.c_str());
5596 1 : return FALSE;
5597 : }
5598 :
5599 : const char *pszZoomLevel =
5600 21 : CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
5601 21 : if (pszZoomLevel)
5602 : {
5603 1 : m_nZoomLevel = atoi(pszZoomLevel);
5604 1 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
5605 1 : while ((1 << nMaxZoomLevelForThisTM) >
5606 2 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
5607 1 : (1 << nMaxZoomLevelForThisTM) >
5608 1 : INT_MAX / poTS->nTileYCountZoomLevel0)
5609 : {
5610 0 : --nMaxZoomLevelForThisTM;
5611 : }
5612 :
5613 1 : if (m_nZoomLevel < 0 || m_nZoomLevel > nMaxZoomLevelForThisTM)
5614 : {
5615 0 : CPLError(CE_Failure, CPLE_AppDefined,
5616 : "ZOOM_LEVEL = %s is invalid. It should be in "
5617 : "[0,%d] range",
5618 : pszZoomLevel, nMaxZoomLevelForThisTM);
5619 0 : return FALSE;
5620 : }
5621 : }
5622 :
5623 : // Implicitly sets SRS.
5624 21 : OGRSpatialReference oSRS;
5625 21 : if (oSRS.importFromEPSG(poTS->nEPSGCode) != OGRERR_NONE)
5626 0 : return FALSE;
5627 21 : char *pszWKT = nullptr;
5628 21 : oSRS.exportToWkt(&pszWKT);
5629 21 : SetProjection(pszWKT);
5630 21 : CPLFree(pszWKT);
5631 : }
5632 : else
5633 : {
5634 166 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5635 : {
5636 0 : CPLError(
5637 : CE_Failure, CPLE_NotSupported,
5638 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5639 0 : return false;
5640 : }
5641 : }
5642 : }
5643 :
5644 852 : if (bFileExists && nBandsIn > 0 && eDT == GDT_Byte)
5645 : {
5646 : // If there was an ogr_empty_table table, we can remove it
5647 9 : RemoveOGREmptyTable();
5648 : }
5649 :
5650 852 : SoftCommitTransaction();
5651 :
5652 : /* Requirement 2 */
5653 : /* We have to do this after there's some content so the database file */
5654 : /* is not zero length */
5655 852 : SetApplicationAndUserVersionId();
5656 :
5657 : /* Default to synchronous=off for performance for new file */
5658 1694 : if (!bFileExists &&
5659 842 : CPLGetConfigOption("OGR_SQLITE_SYNCHRONOUS", nullptr) == nullptr)
5660 : {
5661 345 : SQLCommand(hDB, "PRAGMA synchronous = OFF");
5662 : }
5663 :
5664 852 : return TRUE;
5665 : }
5666 :
5667 : /************************************************************************/
5668 : /* RemoveOGREmptyTable() */
5669 : /************************************************************************/
5670 :
5671 665 : void GDALGeoPackageDataset::RemoveOGREmptyTable()
5672 : {
5673 : // Run with sqlite3_exec since we don't want errors to be emitted
5674 665 : sqlite3_exec(hDB, "DROP TABLE IF EXISTS ogr_empty_table", nullptr, nullptr,
5675 : nullptr);
5676 665 : sqlite3_exec(
5677 : hDB, "DELETE FROM gpkg_contents WHERE table_name = 'ogr_empty_table'",
5678 : nullptr, nullptr, nullptr);
5679 : #ifdef ENABLE_GPKG_OGR_CONTENTS
5680 665 : if (m_bHasGPKGOGRContents)
5681 : {
5682 651 : sqlite3_exec(hDB,
5683 : "DELETE FROM gpkg_ogr_contents WHERE "
5684 : "table_name = 'ogr_empty_table'",
5685 : nullptr, nullptr, nullptr);
5686 : }
5687 : #endif
5688 665 : sqlite3_exec(hDB,
5689 : "DELETE FROM gpkg_geometry_columns WHERE "
5690 : "table_name = 'ogr_empty_table'",
5691 : nullptr, nullptr, nullptr);
5692 665 : }
5693 :
5694 : /************************************************************************/
5695 : /* CreateTileGriddedTable() */
5696 : /************************************************************************/
5697 :
5698 40 : bool GDALGeoPackageDataset::CreateTileGriddedTable(char **papszOptions)
5699 : {
5700 80 : CPLString osSQL;
5701 40 : if (!HasGriddedCoverageAncillaryTable())
5702 : {
5703 : // It doesn't exist. So create gpkg_extensions table if necessary, and
5704 : // gpkg_2d_gridded_coverage_ancillary & gpkg_2d_gridded_tile_ancillary,
5705 : // and register them as extensions.
5706 40 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
5707 0 : return false;
5708 :
5709 : // Req 1 /table-defs/coverage-ancillary
5710 : osSQL = "CREATE TABLE gpkg_2d_gridded_coverage_ancillary ("
5711 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5712 : "tile_matrix_set_name TEXT NOT NULL UNIQUE,"
5713 : "datatype TEXT NOT NULL DEFAULT 'integer',"
5714 : "scale REAL NOT NULL DEFAULT 1.0,"
5715 : "offset REAL NOT NULL DEFAULT 0.0,"
5716 : "precision REAL DEFAULT 1.0,"
5717 : "data_null REAL,"
5718 : "grid_cell_encoding TEXT DEFAULT 'grid-value-is-center',"
5719 : "uom TEXT,"
5720 : "field_name TEXT DEFAULT 'Height',"
5721 : "quantity_definition TEXT DEFAULT 'Height',"
5722 : "CONSTRAINT fk_g2dgtct_name FOREIGN KEY(tile_matrix_set_name) "
5723 : "REFERENCES gpkg_tile_matrix_set ( table_name ) "
5724 : "CHECK (datatype in ('integer','float')))"
5725 : ";"
5726 : // Requirement 2 /table-defs/tile-ancillary
5727 : "CREATE TABLE gpkg_2d_gridded_tile_ancillary ("
5728 : "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
5729 : "tpudt_name TEXT NOT NULL,"
5730 : "tpudt_id INTEGER NOT NULL,"
5731 : "scale REAL NOT NULL DEFAULT 1.0,"
5732 : "offset REAL NOT NULL DEFAULT 0.0,"
5733 : "min REAL DEFAULT NULL,"
5734 : "max REAL DEFAULT NULL,"
5735 : "mean REAL DEFAULT NULL,"
5736 : "std_dev REAL DEFAULT NULL,"
5737 : "CONSTRAINT fk_g2dgtat_name FOREIGN KEY (tpudt_name) "
5738 : "REFERENCES gpkg_contents(table_name),"
5739 : "UNIQUE (tpudt_name, tpudt_id))"
5740 : ";"
5741 : // Requirement 6 /gpkg-extensions
5742 : "INSERT INTO gpkg_extensions "
5743 : "(table_name, column_name, extension_name, definition, scope) "
5744 : "VALUES ('gpkg_2d_gridded_coverage_ancillary', NULL, "
5745 : "'gpkg_2d_gridded_coverage', "
5746 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5747 : "'read-write')"
5748 : ";"
5749 : // Requirement 6 /gpkg-extensions
5750 : "INSERT INTO gpkg_extensions "
5751 : "(table_name, column_name, extension_name, definition, scope) "
5752 : "VALUES ('gpkg_2d_gridded_tile_ancillary', NULL, "
5753 : "'gpkg_2d_gridded_coverage', "
5754 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5755 : "'read-write')"
5756 40 : ";";
5757 : }
5758 :
5759 : // Requirement 6 /gpkg-extensions
5760 40 : char *pszSQL = sqlite3_mprintf(
5761 : "INSERT INTO gpkg_extensions "
5762 : "(table_name, column_name, extension_name, definition, scope) "
5763 : "VALUES ('%q', 'tile_data', "
5764 : "'gpkg_2d_gridded_coverage', "
5765 : "'http://docs.opengeospatial.org/is/17-066r1/17-066r1.html', "
5766 : "'read-write')",
5767 : m_osRasterTable.c_str());
5768 40 : osSQL += pszSQL;
5769 40 : osSQL += ";";
5770 40 : sqlite3_free(pszSQL);
5771 :
5772 : // Requirement 7 /gpkg-2d-gridded-coverage-ancillary
5773 : // Requirement 8 /gpkg-2d-gridded-coverage-ancillary-set-name
5774 : // Requirement 9 /gpkg-2d-gridded-coverage-ancillary-datatype
5775 40 : m_dfPrecision =
5776 40 : CPLAtof(CSLFetchNameValueDef(papszOptions, "PRECISION", "1"));
5777 : CPLString osGridCellEncoding(CSLFetchNameValueDef(
5778 80 : papszOptions, "GRID_CELL_ENCODING", "grid-value-is-center"));
5779 40 : m_bGridCellEncodingAsCO =
5780 40 : CSLFetchNameValue(papszOptions, "GRID_CELL_ENCODING") != nullptr;
5781 80 : CPLString osUom(CSLFetchNameValueDef(papszOptions, "UOM", ""));
5782 : CPLString osFieldName(
5783 80 : CSLFetchNameValueDef(papszOptions, "FIELD_NAME", "Height"));
5784 : CPLString osQuantityDefinition(
5785 80 : CSLFetchNameValueDef(papszOptions, "QUANTITY_DEFINITION", "Height"));
5786 :
5787 121 : pszSQL = sqlite3_mprintf(
5788 : "INSERT INTO gpkg_2d_gridded_coverage_ancillary "
5789 : "(tile_matrix_set_name, datatype, scale, offset, precision, "
5790 : "grid_cell_encoding, uom, field_name, quantity_definition) "
5791 : "VALUES (%Q, '%s', %.17g, %.17g, %.17g, %Q, %Q, %Q, %Q)",
5792 : m_osRasterTable.c_str(),
5793 40 : (m_eTF == GPKG_TF_PNG_16BIT) ? "integer" : "float", m_dfScale,
5794 : m_dfOffset, m_dfPrecision, osGridCellEncoding.c_str(),
5795 41 : osUom.empty() ? nullptr : osUom.c_str(), osFieldName.c_str(),
5796 : osQuantityDefinition.c_str());
5797 40 : m_osSQLInsertIntoGpkg2dGriddedCoverageAncillary = pszSQL;
5798 40 : sqlite3_free(pszSQL);
5799 :
5800 : // Requirement 3 /gpkg-spatial-ref-sys-row
5801 : auto oResultTable = SQLQuery(
5802 80 : hDB, "SELECT * FROM gpkg_spatial_ref_sys WHERE srs_id = 4979 LIMIT 2");
5803 40 : bool bHasEPSG4979 = (oResultTable && oResultTable->RowCount() == 1);
5804 40 : if (!bHasEPSG4979)
5805 : {
5806 41 : if (!m_bHasDefinition12_063 &&
5807 1 : !ConvertGpkgSpatialRefSysToExtensionWkt2(/*bForceEpoch=*/false))
5808 : {
5809 0 : return false;
5810 : }
5811 :
5812 : // This is WKT 2...
5813 40 : const char *pszWKT =
5814 : "GEODCRS[\"WGS 84\","
5815 : "DATUM[\"World Geodetic System 1984\","
5816 : " ELLIPSOID[\"WGS 84\",6378137,298.257223563,"
5817 : "LENGTHUNIT[\"metre\",1.0]]],"
5818 : "CS[ellipsoidal,3],"
5819 : " AXIS[\"latitude\",north,ORDER[1],ANGLEUNIT[\"degree\","
5820 : "0.0174532925199433]],"
5821 : " AXIS[\"longitude\",east,ORDER[2],ANGLEUNIT[\"degree\","
5822 : "0.0174532925199433]],"
5823 : " AXIS[\"ellipsoidal height\",up,ORDER[3],"
5824 : "LENGTHUNIT[\"metre\",1.0]],"
5825 : "ID[\"EPSG\",4979]]";
5826 :
5827 40 : pszSQL = sqlite3_mprintf(
5828 : "INSERT INTO gpkg_spatial_ref_sys "
5829 : "(srs_name,srs_id,organization,organization_coordsys_id,"
5830 : "definition,definition_12_063) VALUES "
5831 : "('WGS 84 3D', 4979, 'EPSG', 4979, 'undefined', '%q')",
5832 : pszWKT);
5833 40 : osSQL += ";";
5834 40 : osSQL += pszSQL;
5835 40 : sqlite3_free(pszSQL);
5836 : }
5837 :
5838 40 : return SQLCommand(hDB, osSQL) == OGRERR_NONE;
5839 : }
5840 :
5841 : /************************************************************************/
5842 : /* HasGriddedCoverageAncillaryTable() */
5843 : /************************************************************************/
5844 :
5845 44 : bool GDALGeoPackageDataset::HasGriddedCoverageAncillaryTable()
5846 : {
5847 : auto oResultTable = SQLQuery(
5848 : hDB, "SELECT * FROM sqlite_master WHERE type IN ('table', 'view') AND "
5849 44 : "name = 'gpkg_2d_gridded_coverage_ancillary'");
5850 44 : bool bHasTable = (oResultTable && oResultTable->RowCount() == 1);
5851 88 : return bHasTable;
5852 : }
5853 :
5854 : /************************************************************************/
5855 : /* GetUnderlyingDataset() */
5856 : /************************************************************************/
5857 :
5858 3 : static GDALDataset *GetUnderlyingDataset(GDALDataset *poSrcDS)
5859 : {
5860 3 : if (auto poVRTDS = dynamic_cast<VRTDataset *>(poSrcDS))
5861 : {
5862 0 : auto poTmpDS = poVRTDS->GetSingleSimpleSource();
5863 0 : if (poTmpDS)
5864 0 : return poTmpDS;
5865 : }
5866 :
5867 3 : return poSrcDS;
5868 : }
5869 :
5870 : /************************************************************************/
5871 : /* CreateCopy() */
5872 : /************************************************************************/
5873 :
5874 : typedef struct
5875 : {
5876 : const char *pszName;
5877 : GDALResampleAlg eResampleAlg;
5878 : } WarpResamplingAlg;
5879 :
5880 : static const WarpResamplingAlg asResamplingAlg[] = {
5881 : {"NEAREST", GRA_NearestNeighbour},
5882 : {"BILINEAR", GRA_Bilinear},
5883 : {"CUBIC", GRA_Cubic},
5884 : {"CUBICSPLINE", GRA_CubicSpline},
5885 : {"LANCZOS", GRA_Lanczos},
5886 : {"MODE", GRA_Mode},
5887 : {"AVERAGE", GRA_Average},
5888 : {"RMS", GRA_RMS},
5889 : };
5890 :
5891 160 : GDALDataset *GDALGeoPackageDataset::CreateCopy(const char *pszFilename,
5892 : GDALDataset *poSrcDS,
5893 : int bStrict, char **papszOptions,
5894 : GDALProgressFunc pfnProgress,
5895 : void *pProgressData)
5896 : {
5897 160 : const int nBands = poSrcDS->GetRasterCount();
5898 160 : if (nBands == 0)
5899 : {
5900 2 : GDALDataset *poDS = nullptr;
5901 : GDALDriver *poThisDriver =
5902 2 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5903 2 : if (poThisDriver != nullptr)
5904 : {
5905 2 : poDS = poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS,
5906 : bStrict, papszOptions,
5907 : pfnProgress, pProgressData);
5908 : }
5909 2 : return poDS;
5910 : }
5911 :
5912 : const char *pszTilingScheme =
5913 158 : CSLFetchNameValueDef(papszOptions, "TILING_SCHEME", "CUSTOM");
5914 :
5915 316 : CPLStringList apszUpdatedOptions(CSLDuplicate(papszOptions));
5916 158 : if (CPLTestBool(
5917 164 : CSLFetchNameValueDef(papszOptions, "APPEND_SUBDATASET", "NO")) &&
5918 6 : CSLFetchNameValue(papszOptions, "RASTER_TABLE") == nullptr)
5919 : {
5920 : const std::string osBasename(CPLGetBasenameSafe(
5921 6 : GetUnderlyingDataset(poSrcDS)->GetDescription()));
5922 3 : apszUpdatedOptions.SetNameValue("RASTER_TABLE", osBasename.c_str());
5923 : }
5924 :
5925 158 : if (nBands != 1 && nBands != 2 && nBands != 3 && nBands != 4)
5926 : {
5927 1 : CPLError(CE_Failure, CPLE_NotSupported,
5928 : "Only 1 (Grey/ColorTable), 2 (Grey+Alpha), 3 (RGB) or "
5929 : "4 (RGBA) band dataset supported");
5930 1 : return nullptr;
5931 : }
5932 :
5933 157 : const char *pszUnitType = poSrcDS->GetRasterBand(1)->GetUnitType();
5934 314 : if (CSLFetchNameValue(papszOptions, "UOM") == nullptr && pszUnitType &&
5935 157 : !EQUAL(pszUnitType, ""))
5936 : {
5937 1 : apszUpdatedOptions.SetNameValue("UOM", pszUnitType);
5938 : }
5939 :
5940 157 : if (EQUAL(pszTilingScheme, "CUSTOM"))
5941 : {
5942 133 : if (CSLFetchNameValue(papszOptions, "ZOOM_LEVEL"))
5943 : {
5944 0 : CPLError(CE_Failure, CPLE_NotSupported,
5945 : "ZOOM_LEVEL only supported for TILING_SCHEME != CUSTOM");
5946 0 : return nullptr;
5947 : }
5948 :
5949 133 : GDALGeoPackageDataset *poDS = nullptr;
5950 : GDALDriver *poThisDriver =
5951 133 : GDALDriver::FromHandle(GDALGetDriverByName("GPKG"));
5952 133 : if (poThisDriver != nullptr)
5953 : {
5954 133 : apszUpdatedOptions.SetNameValue("SKIP_HOLES", "YES");
5955 133 : poDS = cpl::down_cast<GDALGeoPackageDataset *>(
5956 : poThisDriver->DefaultCreateCopy(pszFilename, poSrcDS, bStrict,
5957 : apszUpdatedOptions, pfnProgress,
5958 133 : pProgressData));
5959 :
5960 246 : if (poDS != nullptr &&
5961 133 : poSrcDS->GetRasterBand(1)->GetRasterDataType() == GDT_Byte &&
5962 : nBands <= 3)
5963 : {
5964 73 : poDS->m_nBandCountFromMetadata = nBands;
5965 73 : poDS->m_bMetadataDirty = true;
5966 : }
5967 : }
5968 133 : if (poDS)
5969 113 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
5970 133 : return poDS;
5971 : }
5972 :
5973 48 : const auto poTS = GetTilingScheme(pszTilingScheme);
5974 24 : if (!poTS)
5975 : {
5976 2 : return nullptr;
5977 : }
5978 22 : const int nEPSGCode = poTS->nEPSGCode;
5979 :
5980 44 : OGRSpatialReference oSRS;
5981 22 : if (oSRS.importFromEPSG(nEPSGCode) != OGRERR_NONE)
5982 : {
5983 0 : return nullptr;
5984 : }
5985 22 : char *pszWKT = nullptr;
5986 22 : oSRS.exportToWkt(&pszWKT);
5987 22 : char **papszTO = CSLSetNameValue(nullptr, "DST_SRS", pszWKT);
5988 :
5989 22 : void *hTransformArg = nullptr;
5990 :
5991 : // Hack to compensate for GDALSuggestedWarpOutput2() failure (or not
5992 : // ideal suggestion with PROJ 8) when reprojecting latitude = +/- 90 to
5993 : // EPSG:3857.
5994 : double adfSrcGeoTransform[6];
5995 22 : std::unique_ptr<GDALDataset> poTmpDS;
5996 22 : bool bEPSG3857Adjust = false;
5997 30 : if (nEPSGCode == 3857 &&
5998 8 : poSrcDS->GetGeoTransform(adfSrcGeoTransform) == CE_None &&
5999 38 : adfSrcGeoTransform[2] == 0 && adfSrcGeoTransform[4] == 0 &&
6000 8 : adfSrcGeoTransform[5] < 0)
6001 : {
6002 8 : const auto poSrcSRS = poSrcDS->GetSpatialRef();
6003 8 : if (poSrcSRS && poSrcSRS->IsGeographic())
6004 : {
6005 2 : double maxLat = adfSrcGeoTransform[3];
6006 2 : double minLat = adfSrcGeoTransform[3] +
6007 2 : poSrcDS->GetRasterYSize() * adfSrcGeoTransform[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 : aosOptions.AddString(
6028 2 : CPLSPrintf("%.17g", adfSrcGeoTransform[0]));
6029 2 : aosOptions.AddString(CPLSPrintf("%.17g", maxLat));
6030 : aosOptions.AddString(
6031 2 : CPLSPrintf("%.17g", adfSrcGeoTransform[0] +
6032 2 : poSrcDS->GetRasterXSize() *
6033 2 : adfSrcGeoTransform[1]));
6034 2 : aosOptions.AddString(CPLSPrintf("%.17g", minLat));
6035 : auto psOptions =
6036 2 : GDALTranslateOptionsNew(aosOptions.List(), nullptr);
6037 2 : poTmpDS.reset(GDALDataset::FromHandle(GDALTranslate(
6038 : "", GDALDataset::ToHandle(poSrcDS), psOptions, nullptr)));
6039 2 : GDALTranslateOptionsFree(psOptions);
6040 2 : if (poTmpDS)
6041 : {
6042 2 : bEPSG3857Adjust = true;
6043 2 : hTransformArg = GDALCreateGenImgProjTransformer2(
6044 2 : GDALDataset::FromHandle(poTmpDS.get()), nullptr,
6045 : papszTO);
6046 : }
6047 : }
6048 : }
6049 : }
6050 22 : if (hTransformArg == nullptr)
6051 : {
6052 : hTransformArg =
6053 20 : GDALCreateGenImgProjTransformer2(poSrcDS, nullptr, papszTO);
6054 : }
6055 :
6056 22 : if (hTransformArg == nullptr)
6057 : {
6058 1 : CPLFree(pszWKT);
6059 1 : CSLDestroy(papszTO);
6060 1 : return nullptr;
6061 : }
6062 :
6063 21 : GDALTransformerInfo *psInfo =
6064 : static_cast<GDALTransformerInfo *>(hTransformArg);
6065 : double adfGeoTransform[6];
6066 : double adfExtent[4];
6067 : int nXSize, nYSize;
6068 :
6069 21 : if (GDALSuggestedWarpOutput2(poSrcDS, psInfo->pfnTransform, hTransformArg,
6070 : adfGeoTransform, &nXSize, &nYSize, adfExtent,
6071 21 : 0) != CE_None)
6072 : {
6073 0 : CPLFree(pszWKT);
6074 0 : CSLDestroy(papszTO);
6075 0 : GDALDestroyGenImgProjTransformer(hTransformArg);
6076 0 : return nullptr;
6077 : }
6078 :
6079 21 : GDALDestroyGenImgProjTransformer(hTransformArg);
6080 21 : hTransformArg = nullptr;
6081 21 : poTmpDS.reset();
6082 :
6083 21 : if (bEPSG3857Adjust)
6084 : {
6085 2 : constexpr double SPHERICAL_RADIUS = 6378137.0;
6086 2 : constexpr double MAX_GM =
6087 : SPHERICAL_RADIUS * M_PI; // 20037508.342789244
6088 2 : double maxNorthing = adfGeoTransform[3];
6089 2 : double minNorthing = adfGeoTransform[3] + adfGeoTransform[5] * nYSize;
6090 2 : bool bChanged = false;
6091 2 : if (maxNorthing > MAX_GM)
6092 : {
6093 2 : bChanged = true;
6094 2 : maxNorthing = MAX_GM;
6095 : }
6096 2 : if (minNorthing < -MAX_GM)
6097 : {
6098 2 : bChanged = true;
6099 2 : minNorthing = -MAX_GM;
6100 : }
6101 2 : if (bChanged)
6102 : {
6103 2 : adfGeoTransform[3] = maxNorthing;
6104 2 : nYSize =
6105 2 : int((maxNorthing - minNorthing) / (-adfGeoTransform[5]) + 0.5);
6106 2 : adfExtent[1] = maxNorthing + nYSize * adfGeoTransform[5];
6107 2 : adfExtent[3] = maxNorthing;
6108 : }
6109 : }
6110 :
6111 21 : double dfComputedRes = adfGeoTransform[1];
6112 21 : double dfPrevRes = 0.0;
6113 21 : double dfRes = 0.0;
6114 21 : int nZoomLevel = 0; // Used after for.
6115 21 : const char *pszZoomLevel = CSLFetchNameValue(papszOptions, "ZOOM_LEVEL");
6116 21 : if (pszZoomLevel)
6117 : {
6118 2 : nZoomLevel = atoi(pszZoomLevel);
6119 :
6120 2 : int nMaxZoomLevelForThisTM = MAX_ZOOM_LEVEL;
6121 2 : while ((1 << nMaxZoomLevelForThisTM) >
6122 4 : INT_MAX / poTS->nTileXCountZoomLevel0 ||
6123 2 : (1 << nMaxZoomLevelForThisTM) >
6124 2 : INT_MAX / poTS->nTileYCountZoomLevel0)
6125 : {
6126 0 : --nMaxZoomLevelForThisTM;
6127 : }
6128 :
6129 2 : if (nZoomLevel < 0 || nZoomLevel > nMaxZoomLevelForThisTM)
6130 : {
6131 1 : CPLError(CE_Failure, CPLE_AppDefined,
6132 : "ZOOM_LEVEL = %s is invalid. It should be in [0,%d] range",
6133 : pszZoomLevel, nMaxZoomLevelForThisTM);
6134 1 : CPLFree(pszWKT);
6135 1 : CSLDestroy(papszTO);
6136 1 : return nullptr;
6137 : }
6138 : }
6139 : else
6140 : {
6141 171 : for (; nZoomLevel < MAX_ZOOM_LEVEL; nZoomLevel++)
6142 : {
6143 171 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6144 171 : if (dfComputedRes > dfRes ||
6145 152 : fabs(dfComputedRes - dfRes) / dfRes <= 1e-8)
6146 : break;
6147 152 : dfPrevRes = dfRes;
6148 : }
6149 38 : if (nZoomLevel == MAX_ZOOM_LEVEL ||
6150 38 : (1 << nZoomLevel) > INT_MAX / poTS->nTileXCountZoomLevel0 ||
6151 19 : (1 << nZoomLevel) > INT_MAX / poTS->nTileYCountZoomLevel0)
6152 : {
6153 0 : CPLError(CE_Failure, CPLE_AppDefined,
6154 : "Could not find an appropriate zoom level");
6155 0 : CPLFree(pszWKT);
6156 0 : CSLDestroy(papszTO);
6157 0 : return nullptr;
6158 : }
6159 :
6160 19 : if (nZoomLevel > 0 && fabs(dfComputedRes - dfRes) / dfRes > 1e-8)
6161 : {
6162 17 : const char *pszZoomLevelStrategy = CSLFetchNameValueDef(
6163 : papszOptions, "ZOOM_LEVEL_STRATEGY", "AUTO");
6164 17 : if (EQUAL(pszZoomLevelStrategy, "LOWER"))
6165 : {
6166 1 : nZoomLevel--;
6167 : }
6168 16 : else if (EQUAL(pszZoomLevelStrategy, "UPPER"))
6169 : {
6170 : /* do nothing */
6171 : }
6172 : else
6173 : {
6174 15 : if (dfPrevRes / dfComputedRes < dfComputedRes / dfRes)
6175 13 : nZoomLevel--;
6176 : }
6177 : }
6178 : }
6179 :
6180 20 : dfRes = poTS->dfPixelXSizeZoomLevel0 / (1 << nZoomLevel);
6181 :
6182 20 : double dfMinX = adfExtent[0];
6183 20 : double dfMinY = adfExtent[1];
6184 20 : double dfMaxX = adfExtent[2];
6185 20 : double dfMaxY = adfExtent[3];
6186 :
6187 20 : nXSize = static_cast<int>(0.5 + (dfMaxX - dfMinX) / dfRes);
6188 20 : nYSize = static_cast<int>(0.5 + (dfMaxY - dfMinY) / dfRes);
6189 20 : adfGeoTransform[1] = dfRes;
6190 20 : adfGeoTransform[5] = -dfRes;
6191 :
6192 20 : const GDALDataType eDT = poSrcDS->GetRasterBand(1)->GetRasterDataType();
6193 20 : int nTargetBands = nBands;
6194 : /* For grey level or RGB, if there's reprojection involved, add an alpha */
6195 : /* channel */
6196 37 : if (eDT == GDT_Byte &&
6197 13 : ((nBands == 1 &&
6198 17 : poSrcDS->GetRasterBand(1)->GetColorTable() == nullptr) ||
6199 : nBands == 3))
6200 : {
6201 30 : OGRSpatialReference oSrcSRS;
6202 15 : oSrcSRS.SetFromUserInput(poSrcDS->GetProjectionRef());
6203 15 : oSrcSRS.AutoIdentifyEPSG();
6204 30 : if (oSrcSRS.GetAuthorityCode(nullptr) == nullptr ||
6205 15 : atoi(oSrcSRS.GetAuthorityCode(nullptr)) != nEPSGCode)
6206 : {
6207 13 : nTargetBands++;
6208 : }
6209 : }
6210 :
6211 20 : GDALResampleAlg eResampleAlg = GRA_Bilinear;
6212 20 : const char *pszResampling = CSLFetchNameValue(papszOptions, "RESAMPLING");
6213 20 : if (pszResampling)
6214 : {
6215 6 : for (size_t iAlg = 0;
6216 6 : iAlg < sizeof(asResamplingAlg) / sizeof(asResamplingAlg[0]);
6217 : iAlg++)
6218 : {
6219 6 : if (EQUAL(pszResampling, asResamplingAlg[iAlg].pszName))
6220 : {
6221 3 : eResampleAlg = asResamplingAlg[iAlg].eResampleAlg;
6222 3 : break;
6223 : }
6224 : }
6225 : }
6226 :
6227 16 : if (nBands == 1 && poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr &&
6228 36 : eResampleAlg != GRA_NearestNeighbour && eResampleAlg != GRA_Mode)
6229 : {
6230 0 : CPLError(
6231 : CE_Warning, CPLE_AppDefined,
6232 : "Input dataset has a color table, which will likely lead to "
6233 : "bad results when using a resampling method other than "
6234 : "nearest neighbour or mode. Converting the dataset to 24/32 bit "
6235 : "(e.g. with gdal_translate -expand rgb/rgba) is advised.");
6236 : }
6237 :
6238 40 : auto poDS = std::make_unique<GDALGeoPackageDataset>();
6239 20 : if (!(poDS->Create(pszFilename, nXSize, nYSize, nTargetBands, eDT,
6240 : apszUpdatedOptions)))
6241 : {
6242 1 : CPLFree(pszWKT);
6243 1 : CSLDestroy(papszTO);
6244 1 : return nullptr;
6245 : }
6246 :
6247 : // Assign nodata values before the SetGeoTransform call.
6248 : // SetGeoTransform will trigger creation of the overview datasets for each
6249 : // zoom level and at that point the nodata value needs to be known.
6250 19 : int bHasNoData = FALSE;
6251 : double dfNoDataValue =
6252 19 : poSrcDS->GetRasterBand(1)->GetNoDataValue(&bHasNoData);
6253 19 : if (eDT != GDT_Byte && bHasNoData)
6254 : {
6255 3 : poDS->GetRasterBand(1)->SetNoDataValue(dfNoDataValue);
6256 : }
6257 :
6258 19 : poDS->SetGeoTransform(adfGeoTransform);
6259 19 : poDS->SetProjection(pszWKT);
6260 19 : CPLFree(pszWKT);
6261 19 : pszWKT = nullptr;
6262 24 : if (nTargetBands == 1 && nBands == 1 &&
6263 5 : poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr)
6264 : {
6265 2 : poDS->GetRasterBand(1)->SetColorTable(
6266 1 : poSrcDS->GetRasterBand(1)->GetColorTable());
6267 : }
6268 :
6269 : hTransformArg =
6270 19 : GDALCreateGenImgProjTransformer2(poSrcDS, poDS.get(), papszTO);
6271 19 : CSLDestroy(papszTO);
6272 19 : if (hTransformArg == nullptr)
6273 : {
6274 0 : return nullptr;
6275 : }
6276 :
6277 19 : poDS->SetMetadata(poSrcDS->GetMetadata());
6278 :
6279 : /* -------------------------------------------------------------------- */
6280 : /* Warp the transformer with a linear approximator */
6281 : /* -------------------------------------------------------------------- */
6282 19 : hTransformArg = GDALCreateApproxTransformer(GDALGenImgProjTransform,
6283 : hTransformArg, 0.125);
6284 19 : GDALApproxTransformerOwnsSubtransformer(hTransformArg, TRUE);
6285 :
6286 : /* -------------------------------------------------------------------- */
6287 : /* Setup warp options. */
6288 : /* -------------------------------------------------------------------- */
6289 19 : GDALWarpOptions *psWO = GDALCreateWarpOptions();
6290 :
6291 19 : psWO->papszWarpOptions = CSLSetNameValue(nullptr, "OPTIMIZE_SIZE", "YES");
6292 19 : psWO->papszWarpOptions =
6293 19 : CSLSetNameValue(psWO->papszWarpOptions, "SAMPLE_GRID", "YES");
6294 19 : if (bHasNoData)
6295 : {
6296 3 : if (dfNoDataValue == 0.0)
6297 : {
6298 : // Do not initialize in the case where nodata != 0, since we
6299 : // want the GeoPackage driver to return empty tiles at the nodata
6300 : // value instead of 0 as GDAL core would
6301 0 : psWO->papszWarpOptions =
6302 0 : CSLSetNameValue(psWO->papszWarpOptions, "INIT_DEST", "0");
6303 : }
6304 :
6305 3 : psWO->padfSrcNoDataReal =
6306 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6307 3 : psWO->padfSrcNoDataReal[0] = dfNoDataValue;
6308 :
6309 3 : psWO->padfDstNoDataReal =
6310 3 : static_cast<double *>(CPLMalloc(sizeof(double)));
6311 3 : psWO->padfDstNoDataReal[0] = dfNoDataValue;
6312 : }
6313 19 : psWO->eWorkingDataType = eDT;
6314 19 : psWO->eResampleAlg = eResampleAlg;
6315 :
6316 19 : psWO->hSrcDS = poSrcDS;
6317 19 : psWO->hDstDS = poDS.get();
6318 :
6319 19 : psWO->pfnTransformer = GDALApproxTransform;
6320 19 : psWO->pTransformerArg = hTransformArg;
6321 :
6322 19 : psWO->pfnProgress = pfnProgress;
6323 19 : psWO->pProgressArg = pProgressData;
6324 :
6325 : /* -------------------------------------------------------------------- */
6326 : /* Setup band mapping. */
6327 : /* -------------------------------------------------------------------- */
6328 :
6329 19 : if (nBands == 2 || nBands == 4)
6330 1 : psWO->nBandCount = nBands - 1;
6331 : else
6332 18 : psWO->nBandCount = nBands;
6333 :
6334 19 : psWO->panSrcBands =
6335 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6336 19 : psWO->panDstBands =
6337 19 : static_cast<int *>(CPLMalloc(psWO->nBandCount * sizeof(int)));
6338 :
6339 46 : for (int i = 0; i < psWO->nBandCount; i++)
6340 : {
6341 27 : psWO->panSrcBands[i] = i + 1;
6342 27 : psWO->panDstBands[i] = i + 1;
6343 : }
6344 :
6345 19 : if (nBands == 2 || nBands == 4)
6346 : {
6347 1 : psWO->nSrcAlphaBand = nBands;
6348 : }
6349 19 : if (nTargetBands == 2 || nTargetBands == 4)
6350 : {
6351 13 : psWO->nDstAlphaBand = nTargetBands;
6352 : }
6353 :
6354 : /* -------------------------------------------------------------------- */
6355 : /* Initialize and execute the warp. */
6356 : /* -------------------------------------------------------------------- */
6357 38 : GDALWarpOperation oWO;
6358 :
6359 19 : CPLErr eErr = oWO.Initialize(psWO);
6360 19 : if (eErr == CE_None)
6361 : {
6362 : /*if( bMulti )
6363 : eErr = oWO.ChunkAndWarpMulti( 0, 0, nXSize, nYSize );
6364 : else*/
6365 19 : eErr = oWO.ChunkAndWarpImage(0, 0, nXSize, nYSize);
6366 : }
6367 19 : if (eErr != CE_None)
6368 : {
6369 0 : poDS.reset();
6370 : }
6371 :
6372 19 : GDALDestroyTransformer(hTransformArg);
6373 19 : GDALDestroyWarpOptions(psWO);
6374 :
6375 19 : if (poDS)
6376 19 : poDS->SetPamFlags(poDS->GetPamFlags() & ~GPF_DIRTY);
6377 :
6378 19 : return poDS.release();
6379 : }
6380 :
6381 : /************************************************************************/
6382 : /* ParseCompressionOptions() */
6383 : /************************************************************************/
6384 :
6385 457 : void GDALGeoPackageDataset::ParseCompressionOptions(char **papszOptions)
6386 : {
6387 457 : const char *pszZLevel = CSLFetchNameValue(papszOptions, "ZLEVEL");
6388 457 : if (pszZLevel)
6389 0 : m_nZLevel = atoi(pszZLevel);
6390 :
6391 457 : const char *pszQuality = CSLFetchNameValue(papszOptions, "QUALITY");
6392 457 : if (pszQuality)
6393 0 : m_nQuality = atoi(pszQuality);
6394 :
6395 457 : const char *pszDither = CSLFetchNameValue(papszOptions, "DITHER");
6396 457 : if (pszDither)
6397 0 : m_bDither = CPLTestBool(pszDither);
6398 457 : }
6399 :
6400 : /************************************************************************/
6401 : /* RegisterWebPExtension() */
6402 : /************************************************************************/
6403 :
6404 11 : bool GDALGeoPackageDataset::RegisterWebPExtension()
6405 : {
6406 11 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6407 0 : return false;
6408 :
6409 11 : char *pszSQL = sqlite3_mprintf(
6410 : "INSERT INTO gpkg_extensions "
6411 : "(table_name, column_name, extension_name, definition, scope) "
6412 : "VALUES "
6413 : "('%q', 'tile_data', 'gpkg_webp', "
6414 : "'http://www.geopackage.org/spec120/#extension_tiles_webp', "
6415 : "'read-write')",
6416 : m_osRasterTable.c_str());
6417 11 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6418 11 : sqlite3_free(pszSQL);
6419 :
6420 11 : return OGRERR_NONE == eErr;
6421 : }
6422 :
6423 : /************************************************************************/
6424 : /* RegisterZoomOtherExtension() */
6425 : /************************************************************************/
6426 :
6427 1 : bool GDALGeoPackageDataset::RegisterZoomOtherExtension()
6428 : {
6429 1 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
6430 0 : return false;
6431 :
6432 1 : char *pszSQL = sqlite3_mprintf(
6433 : "INSERT INTO gpkg_extensions "
6434 : "(table_name, column_name, extension_name, definition, scope) "
6435 : "VALUES "
6436 : "('%q', 'tile_data', 'gpkg_zoom_other', "
6437 : "'http://www.geopackage.org/spec120/#extension_zoom_other_intervals', "
6438 : "'read-write')",
6439 : m_osRasterTable.c_str());
6440 1 : const OGRErr eErr = SQLCommand(hDB, pszSQL);
6441 1 : sqlite3_free(pszSQL);
6442 1 : return OGRERR_NONE == eErr;
6443 : }
6444 :
6445 : /************************************************************************/
6446 : /* GetLayer() */
6447 : /************************************************************************/
6448 :
6449 15430 : OGRLayer *GDALGeoPackageDataset::GetLayer(int iLayer)
6450 :
6451 : {
6452 15430 : if (iLayer < 0 || iLayer >= static_cast<int>(m_apoLayers.size()))
6453 6 : return nullptr;
6454 : else
6455 15424 : return m_apoLayers[iLayer].get();
6456 : }
6457 :
6458 : /************************************************************************/
6459 : /* LaunderName() */
6460 : /************************************************************************/
6461 :
6462 : /** Launder identifiers (table, column names) according to guidance at
6463 : * https://www.geopackage.org/guidance/getting-started.html:
6464 : * "For maximum interoperability, start your database identifiers (table names,
6465 : * column names, etc.) with a lowercase character and only use lowercase
6466 : * characters, numbers 0-9, and underscores (_)."
6467 : */
6468 :
6469 : /* static */
6470 5 : std::string GDALGeoPackageDataset::LaunderName(const std::string &osStr)
6471 : {
6472 5 : char *pszASCII = CPLUTF8ForceToASCII(osStr.c_str(), '_');
6473 10 : const std::string osStrASCII(pszASCII);
6474 5 : CPLFree(pszASCII);
6475 :
6476 10 : std::string osRet;
6477 5 : osRet.reserve(osStrASCII.size());
6478 :
6479 29 : for (size_t i = 0; i < osStrASCII.size(); ++i)
6480 : {
6481 24 : if (osRet.empty())
6482 : {
6483 5 : if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6484 : {
6485 2 : osRet += (osStrASCII[i] - 'A' + 'a');
6486 : }
6487 3 : else if (osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z')
6488 : {
6489 2 : osRet += osStrASCII[i];
6490 : }
6491 : else
6492 : {
6493 1 : continue;
6494 : }
6495 : }
6496 19 : else if (osStrASCII[i] >= 'A' && osStrASCII[i] <= 'Z')
6497 : {
6498 11 : osRet += (osStrASCII[i] - 'A' + 'a');
6499 : }
6500 9 : else if ((osStrASCII[i] >= 'a' && osStrASCII[i] <= 'z') ||
6501 14 : (osStrASCII[i] >= '0' && osStrASCII[i] <= '9') ||
6502 5 : osStrASCII[i] == '_')
6503 : {
6504 7 : osRet += osStrASCII[i];
6505 : }
6506 : else
6507 : {
6508 1 : osRet += '_';
6509 : }
6510 : }
6511 :
6512 5 : if (osRet.empty() && !osStrASCII.empty())
6513 2 : return LaunderName(std::string("x").append(osStrASCII));
6514 :
6515 4 : if (osRet != osStr)
6516 : {
6517 3 : CPLDebug("PG", "LaunderName('%s') -> '%s'", osStr.c_str(),
6518 : osRet.c_str());
6519 : }
6520 :
6521 4 : return osRet;
6522 : }
6523 :
6524 : /************************************************************************/
6525 : /* ICreateLayer() */
6526 : /************************************************************************/
6527 :
6528 : OGRLayer *
6529 757 : GDALGeoPackageDataset::ICreateLayer(const char *pszLayerName,
6530 : const OGRGeomFieldDefn *poSrcGeomFieldDefn,
6531 : CSLConstList papszOptions)
6532 : {
6533 : /* -------------------------------------------------------------------- */
6534 : /* Verify we are in update mode. */
6535 : /* -------------------------------------------------------------------- */
6536 757 : if (!GetUpdate())
6537 : {
6538 0 : CPLError(CE_Failure, CPLE_NoWriteAccess,
6539 : "Data source %s opened read-only.\n"
6540 : "New layer %s cannot be created.\n",
6541 : m_pszFilename, pszLayerName);
6542 :
6543 0 : return nullptr;
6544 : }
6545 :
6546 : const bool bLaunder =
6547 757 : CPLTestBool(CSLFetchNameValueDef(papszOptions, "LAUNDER", "NO"));
6548 : const std::string osTableName(bLaunder ? LaunderName(pszLayerName)
6549 2271 : : std::string(pszLayerName));
6550 :
6551 : const auto eGType =
6552 757 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetType() : wkbNone;
6553 : const auto poSpatialRef =
6554 757 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetSpatialRef() : nullptr;
6555 :
6556 757 : if (!m_bHasGPKGGeometryColumns)
6557 : {
6558 1 : if (SQLCommand(hDB, pszCREATE_GPKG_GEOMETRY_COLUMNS) != OGRERR_NONE)
6559 : {
6560 0 : return nullptr;
6561 : }
6562 1 : m_bHasGPKGGeometryColumns = true;
6563 : }
6564 :
6565 : // Check identifier unicity
6566 757 : const char *pszIdentifier = CSLFetchNameValue(papszOptions, "IDENTIFIER");
6567 757 : if (pszIdentifier != nullptr && pszIdentifier[0] == '\0')
6568 0 : pszIdentifier = nullptr;
6569 757 : if (pszIdentifier != nullptr)
6570 : {
6571 13 : for (auto &poLayer : m_apoLayers)
6572 : {
6573 : const char *pszOtherIdentifier =
6574 9 : poLayer->GetMetadataItem("IDENTIFIER");
6575 9 : if (pszOtherIdentifier == nullptr)
6576 6 : pszOtherIdentifier = poLayer->GetName();
6577 18 : if (pszOtherIdentifier != nullptr &&
6578 12 : EQUAL(pszOtherIdentifier, pszIdentifier) &&
6579 3 : !EQUAL(poLayer->GetName(), osTableName.c_str()))
6580 : {
6581 2 : CPLError(CE_Failure, CPLE_AppDefined,
6582 : "Identifier %s is already used by table %s",
6583 : pszIdentifier, poLayer->GetName());
6584 2 : return nullptr;
6585 : }
6586 : }
6587 :
6588 : // In case there would be table in gpkg_contents not listed as a
6589 : // vector layer
6590 4 : char *pszSQL = sqlite3_mprintf(
6591 : "SELECT table_name FROM gpkg_contents WHERE identifier = '%q' "
6592 : "LIMIT 2",
6593 : pszIdentifier);
6594 4 : auto oResult = SQLQuery(hDB, pszSQL);
6595 4 : sqlite3_free(pszSQL);
6596 8 : if (oResult && oResult->RowCount() > 0 &&
6597 9 : oResult->GetValue(0, 0) != nullptr &&
6598 1 : !EQUAL(oResult->GetValue(0, 0), osTableName.c_str()))
6599 : {
6600 1 : CPLError(CE_Failure, CPLE_AppDefined,
6601 : "Identifier %s is already used by table %s", pszIdentifier,
6602 : oResult->GetValue(0, 0));
6603 1 : return nullptr;
6604 : }
6605 : }
6606 :
6607 : /* Read GEOMETRY_NAME option */
6608 : const char *pszGeomColumnName =
6609 754 : CSLFetchNameValue(papszOptions, "GEOMETRY_NAME");
6610 754 : if (pszGeomColumnName == nullptr) /* deprecated name */
6611 673 : pszGeomColumnName = CSLFetchNameValue(papszOptions, "GEOMETRY_COLUMN");
6612 754 : if (pszGeomColumnName == nullptr && poSrcGeomFieldDefn)
6613 : {
6614 621 : pszGeomColumnName = poSrcGeomFieldDefn->GetNameRef();
6615 621 : if (pszGeomColumnName && pszGeomColumnName[0] == 0)
6616 617 : pszGeomColumnName = nullptr;
6617 : }
6618 754 : if (pszGeomColumnName == nullptr)
6619 669 : pszGeomColumnName = "geom";
6620 : const bool bGeomNullable =
6621 754 : CPLFetchBool(papszOptions, "GEOMETRY_NULLABLE", true);
6622 :
6623 : /* Read FID option */
6624 754 : const char *pszFIDColumnName = CSLFetchNameValue(papszOptions, "FID");
6625 754 : if (pszFIDColumnName == nullptr)
6626 718 : pszFIDColumnName = "fid";
6627 :
6628 754 : if (CPLTestBool(CPLGetConfigOption("GPKG_NAME_CHECK", "YES")))
6629 : {
6630 754 : if (strspn(pszFIDColumnName, "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") > 0)
6631 : {
6632 1 : CPLError(CE_Failure, CPLE_AppDefined,
6633 : "The primary key (%s) name may not contain special "
6634 : "characters or spaces",
6635 : pszFIDColumnName);
6636 1 : return nullptr;
6637 : }
6638 :
6639 : /* Avoiding gpkg prefixes is not an official requirement, but seems wise
6640 : */
6641 753 : if (STARTS_WITH(osTableName.c_str(), "gpkg"))
6642 : {
6643 0 : CPLError(CE_Failure, CPLE_AppDefined,
6644 : "The layer name may not begin with 'gpkg' as it is a "
6645 : "reserved geopackage prefix");
6646 0 : return nullptr;
6647 : }
6648 :
6649 : /* Preemptively try and avoid sqlite3 syntax errors due to */
6650 : /* illegal characters. */
6651 753 : if (strspn(osTableName.c_str(), "`~!@#$%^&*()+-={}|[]\\:\";'<>?,./") >
6652 : 0)
6653 : {
6654 0 : CPLError(
6655 : CE_Failure, CPLE_AppDefined,
6656 : "The layer name may not contain special characters or spaces");
6657 0 : return nullptr;
6658 : }
6659 : }
6660 :
6661 : /* Check for any existing layers that already use this name */
6662 957 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6663 : iLayer++)
6664 : {
6665 205 : if (EQUAL(osTableName.c_str(), m_apoLayers[iLayer]->GetName()))
6666 : {
6667 : const char *pszOverwrite =
6668 2 : CSLFetchNameValue(papszOptions, "OVERWRITE");
6669 2 : if (pszOverwrite != nullptr && CPLTestBool(pszOverwrite))
6670 : {
6671 1 : DeleteLayer(iLayer);
6672 : }
6673 : else
6674 : {
6675 1 : CPLError(CE_Failure, CPLE_AppDefined,
6676 : "Layer %s already exists, CreateLayer failed.\n"
6677 : "Use the layer creation option OVERWRITE=YES to "
6678 : "replace it.",
6679 : osTableName.c_str());
6680 1 : return nullptr;
6681 : }
6682 : }
6683 : }
6684 :
6685 752 : if (m_apoLayers.size() == 1)
6686 : {
6687 : // Async RTree building doesn't play well with multiple layer:
6688 : // SQLite3 locks being hold for a long time, random failed commits,
6689 : // etc.
6690 78 : m_apoLayers[0]->FinishOrDisableThreadedRTree();
6691 : }
6692 :
6693 : /* Create a blank layer. */
6694 : auto poLayer =
6695 1504 : std::make_unique<OGRGeoPackageTableLayer>(this, osTableName.c_str());
6696 :
6697 752 : OGRSpatialReference *poSRS = nullptr;
6698 752 : if (poSpatialRef)
6699 : {
6700 241 : poSRS = poSpatialRef->Clone();
6701 241 : poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
6702 : }
6703 1505 : poLayer->SetCreationParameters(
6704 : eGType,
6705 753 : bLaunder ? LaunderName(pszGeomColumnName).c_str() : pszGeomColumnName,
6706 : bGeomNullable, poSRS, CSLFetchNameValue(papszOptions, "SRID"),
6707 1504 : poSrcGeomFieldDefn ? poSrcGeomFieldDefn->GetCoordinatePrecision()
6708 : : OGRGeomCoordinatePrecision(),
6709 752 : CPLTestBool(
6710 : CSLFetchNameValueDef(papszOptions, "DISCARD_COORD_LSB", "NO")),
6711 752 : CPLTestBool(CSLFetchNameValueDef(
6712 : papszOptions, "UNDO_DISCARD_COORD_LSB_ON_READING", "NO")),
6713 753 : bLaunder ? LaunderName(pszFIDColumnName).c_str() : pszFIDColumnName,
6714 : pszIdentifier, CSLFetchNameValue(papszOptions, "DESCRIPTION"));
6715 752 : if (poSRS)
6716 : {
6717 241 : poSRS->Release();
6718 : }
6719 :
6720 752 : poLayer->SetLaunder(bLaunder);
6721 :
6722 : /* Should we create a spatial index ? */
6723 752 : const char *pszSI = CSLFetchNameValue(papszOptions, "SPATIAL_INDEX");
6724 752 : int bCreateSpatialIndex = (pszSI == nullptr || CPLTestBool(pszSI));
6725 752 : if (eGType != wkbNone && bCreateSpatialIndex)
6726 : {
6727 678 : poLayer->SetDeferredSpatialIndexCreation(true);
6728 : }
6729 :
6730 752 : poLayer->SetPrecisionFlag(CPLFetchBool(papszOptions, "PRECISION", true));
6731 752 : poLayer->SetTruncateFieldsFlag(
6732 752 : CPLFetchBool(papszOptions, "TRUNCATE_FIELDS", false));
6733 752 : if (eGType == wkbNone)
6734 : {
6735 52 : const char *pszASpatialVariant = CSLFetchNameValueDef(
6736 : papszOptions, "ASPATIAL_VARIANT",
6737 52 : m_bNonSpatialTablesNonRegisteredInGpkgContentsFound
6738 : ? "NOT_REGISTERED"
6739 : : "GPKG_ATTRIBUTES");
6740 52 : GPKGASpatialVariant eASpatialVariant = GPKG_ATTRIBUTES;
6741 52 : if (EQUAL(pszASpatialVariant, "GPKG_ATTRIBUTES"))
6742 40 : eASpatialVariant = GPKG_ATTRIBUTES;
6743 12 : else if (EQUAL(pszASpatialVariant, "OGR_ASPATIAL"))
6744 : {
6745 0 : CPLError(CE_Failure, CPLE_NotSupported,
6746 : "ASPATIAL_VARIANT=OGR_ASPATIAL is no longer supported");
6747 0 : return nullptr;
6748 : }
6749 12 : else if (EQUAL(pszASpatialVariant, "NOT_REGISTERED"))
6750 12 : eASpatialVariant = NOT_REGISTERED;
6751 : else
6752 : {
6753 0 : CPLError(CE_Failure, CPLE_NotSupported,
6754 : "Unsupported value for ASPATIAL_VARIANT: %s",
6755 : pszASpatialVariant);
6756 0 : return nullptr;
6757 : }
6758 52 : poLayer->SetASpatialVariant(eASpatialVariant);
6759 : }
6760 :
6761 : const char *pszDateTimePrecision =
6762 752 : CSLFetchNameValueDef(papszOptions, "DATETIME_PRECISION", "AUTO");
6763 752 : if (EQUAL(pszDateTimePrecision, "MILLISECOND"))
6764 : {
6765 2 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6766 : }
6767 750 : else if (EQUAL(pszDateTimePrecision, "SECOND"))
6768 : {
6769 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6770 0 : CPLError(
6771 : CE_Warning, CPLE_AppDefined,
6772 : "DATETIME_PRECISION=SECOND is only valid since GeoPackage 1.4");
6773 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::SECOND);
6774 : }
6775 749 : else if (EQUAL(pszDateTimePrecision, "MINUTE"))
6776 : {
6777 1 : if (m_nUserVersion < GPKG_1_4_VERSION)
6778 0 : CPLError(
6779 : CE_Warning, CPLE_AppDefined,
6780 : "DATETIME_PRECISION=MINUTE is only valid since GeoPackage 1.4");
6781 1 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MINUTE);
6782 : }
6783 748 : else if (EQUAL(pszDateTimePrecision, "AUTO"))
6784 : {
6785 747 : if (m_nUserVersion < GPKG_1_4_VERSION)
6786 13 : poLayer->SetDateTimePrecision(OGRISO8601Precision::MILLISECOND);
6787 : }
6788 : else
6789 : {
6790 1 : CPLError(CE_Failure, CPLE_NotSupported,
6791 : "Unsupported value for DATETIME_PRECISION: %s",
6792 : pszDateTimePrecision);
6793 1 : return nullptr;
6794 : }
6795 :
6796 : // If there was an ogr_empty_table table, we can remove it
6797 : // But do it at dataset closing, otherwise locking performance issues
6798 : // can arise (probably when transactions are used).
6799 751 : m_bRemoveOGREmptyTable = true;
6800 :
6801 751 : m_apoLayers.emplace_back(std::move(poLayer));
6802 751 : return m_apoLayers.back().get();
6803 : }
6804 :
6805 : /************************************************************************/
6806 : /* FindLayerIndex() */
6807 : /************************************************************************/
6808 :
6809 27 : int GDALGeoPackageDataset::FindLayerIndex(const char *pszLayerName)
6810 :
6811 : {
6812 42 : for (int iLayer = 0; iLayer < static_cast<int>(m_apoLayers.size());
6813 : iLayer++)
6814 : {
6815 28 : if (EQUAL(pszLayerName, m_apoLayers[iLayer]->GetName()))
6816 13 : return iLayer;
6817 : }
6818 14 : return -1;
6819 : }
6820 :
6821 : /************************************************************************/
6822 : /* DeleteLayerCommon() */
6823 : /************************************************************************/
6824 :
6825 40 : OGRErr GDALGeoPackageDataset::DeleteLayerCommon(const char *pszLayerName)
6826 : {
6827 : // Temporary remove foreign key checks
6828 : const GPKGTemporaryForeignKeyCheckDisabler
6829 40 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6830 :
6831 40 : char *pszSQL = sqlite3_mprintf(
6832 : "DELETE FROM gpkg_contents WHERE lower(table_name) = lower('%q')",
6833 : pszLayerName);
6834 40 : OGRErr eErr = SQLCommand(hDB, pszSQL);
6835 40 : sqlite3_free(pszSQL);
6836 :
6837 40 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6838 : {
6839 38 : pszSQL = sqlite3_mprintf(
6840 : "DELETE FROM gpkg_extensions WHERE lower(table_name) = lower('%q')",
6841 : pszLayerName);
6842 38 : eErr = SQLCommand(hDB, pszSQL);
6843 38 : sqlite3_free(pszSQL);
6844 : }
6845 :
6846 40 : if (eErr == OGRERR_NONE && HasMetadataTables())
6847 : {
6848 : // Delete from gpkg_metadata metadata records that are only referenced
6849 : // by the table we are about to drop
6850 11 : pszSQL = sqlite3_mprintf(
6851 : "DELETE FROM gpkg_metadata WHERE id IN ("
6852 : "SELECT DISTINCT md_file_id FROM "
6853 : "gpkg_metadata_reference WHERE "
6854 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6855 : "AND id NOT IN ("
6856 : "SELECT DISTINCT md_file_id FROM gpkg_metadata_reference WHERE "
6857 : "md_file_id IN (SELECT DISTINCT md_file_id FROM "
6858 : "gpkg_metadata_reference WHERE "
6859 : "lower(table_name) = lower('%q') AND md_parent_id is NULL) "
6860 : "AND lower(table_name) <> lower('%q'))",
6861 : pszLayerName, pszLayerName, pszLayerName);
6862 11 : eErr = SQLCommand(hDB, pszSQL);
6863 11 : sqlite3_free(pszSQL);
6864 :
6865 11 : if (eErr == OGRERR_NONE)
6866 : {
6867 : pszSQL =
6868 11 : sqlite3_mprintf("DELETE FROM gpkg_metadata_reference WHERE "
6869 : "lower(table_name) = lower('%q')",
6870 : pszLayerName);
6871 11 : eErr = SQLCommand(hDB, pszSQL);
6872 11 : sqlite3_free(pszSQL);
6873 : }
6874 : }
6875 :
6876 40 : if (eErr == OGRERR_NONE && HasGpkgextRelationsTable())
6877 : {
6878 : // Remove reference to potential corresponding mapping table in
6879 : // gpkg_extensions
6880 4 : pszSQL = sqlite3_mprintf(
6881 : "DELETE FROM gpkg_extensions WHERE "
6882 : "extension_name IN ('related_tables', "
6883 : "'gpkg_related_tables') AND lower(table_name) = "
6884 : "(SELECT lower(mapping_table_name) FROM gpkgext_relations WHERE "
6885 : "lower(base_table_name) = lower('%q') OR "
6886 : "lower(related_table_name) = lower('%q') OR "
6887 : "lower(mapping_table_name) = lower('%q'))",
6888 : pszLayerName, pszLayerName, pszLayerName);
6889 4 : eErr = SQLCommand(hDB, pszSQL);
6890 4 : sqlite3_free(pszSQL);
6891 :
6892 4 : if (eErr == OGRERR_NONE)
6893 : {
6894 : // Remove reference to potential corresponding mapping table in
6895 : // gpkgext_relations
6896 : pszSQL =
6897 4 : sqlite3_mprintf("DELETE FROM gpkgext_relations WHERE "
6898 : "lower(base_table_name) = lower('%q') OR "
6899 : "lower(related_table_name) = lower('%q') OR "
6900 : "lower(mapping_table_name) = lower('%q')",
6901 : pszLayerName, pszLayerName, pszLayerName);
6902 4 : eErr = SQLCommand(hDB, pszSQL);
6903 4 : sqlite3_free(pszSQL);
6904 : }
6905 :
6906 4 : if (eErr == OGRERR_NONE && HasExtensionsTable())
6907 : {
6908 : // If there is no longer any mapping table, then completely
6909 : // remove any reference to the extension in gpkg_extensions
6910 : // as mandated per the related table specification.
6911 : OGRErr err;
6912 4 : if (SQLGetInteger(hDB,
6913 : "SELECT COUNT(*) FROM gpkg_extensions WHERE "
6914 : "extension_name IN ('related_tables', "
6915 : "'gpkg_related_tables') AND "
6916 : "lower(table_name) != 'gpkgext_relations'",
6917 4 : &err) == 0)
6918 : {
6919 2 : eErr = SQLCommand(hDB, "DELETE FROM gpkg_extensions WHERE "
6920 : "extension_name IN ('related_tables', "
6921 : "'gpkg_related_tables')");
6922 : }
6923 :
6924 4 : ClearCachedRelationships();
6925 : }
6926 : }
6927 :
6928 40 : if (eErr == OGRERR_NONE)
6929 : {
6930 40 : pszSQL = sqlite3_mprintf("DROP TABLE \"%w\"", pszLayerName);
6931 40 : eErr = SQLCommand(hDB, pszSQL);
6932 40 : sqlite3_free(pszSQL);
6933 : }
6934 :
6935 : // Check foreign key integrity
6936 40 : if (eErr == OGRERR_NONE)
6937 : {
6938 40 : eErr = PragmaCheck("foreign_key_check", "", 0);
6939 : }
6940 :
6941 80 : return eErr;
6942 : }
6943 :
6944 : /************************************************************************/
6945 : /* DeleteLayer() */
6946 : /************************************************************************/
6947 :
6948 37 : OGRErr GDALGeoPackageDataset::DeleteLayer(int iLayer)
6949 : {
6950 73 : if (!GetUpdate() || iLayer < 0 ||
6951 36 : iLayer >= static_cast<int>(m_apoLayers.size()))
6952 2 : return OGRERR_FAILURE;
6953 :
6954 35 : m_apoLayers[iLayer]->ResetReading();
6955 35 : m_apoLayers[iLayer]->SyncToDisk();
6956 :
6957 70 : CPLString osLayerName = m_apoLayers[iLayer]->GetName();
6958 :
6959 35 : CPLDebug("GPKG", "DeleteLayer(%s)", osLayerName.c_str());
6960 :
6961 : // Temporary remove foreign key checks
6962 : const GPKGTemporaryForeignKeyCheckDisabler
6963 35 : oGPKGTemporaryForeignKeyCheckDisabler(this);
6964 :
6965 35 : OGRErr eErr = SoftStartTransaction();
6966 :
6967 35 : if (eErr == OGRERR_NONE)
6968 : {
6969 35 : if (m_apoLayers[iLayer]->HasSpatialIndex())
6970 32 : m_apoLayers[iLayer]->DropSpatialIndex();
6971 :
6972 : char *pszSQL =
6973 35 : sqlite3_mprintf("DELETE FROM gpkg_geometry_columns WHERE "
6974 : "lower(table_name) = lower('%q')",
6975 : osLayerName.c_str());
6976 35 : eErr = SQLCommand(hDB, pszSQL);
6977 35 : sqlite3_free(pszSQL);
6978 : }
6979 :
6980 35 : if (eErr == OGRERR_NONE && HasDataColumnsTable())
6981 : {
6982 1 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_data_columns WHERE "
6983 : "lower(table_name) = lower('%q')",
6984 : osLayerName.c_str());
6985 1 : eErr = SQLCommand(hDB, pszSQL);
6986 1 : sqlite3_free(pszSQL);
6987 : }
6988 :
6989 : #ifdef ENABLE_GPKG_OGR_CONTENTS
6990 35 : if (eErr == OGRERR_NONE && m_bHasGPKGOGRContents)
6991 : {
6992 35 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_ogr_contents WHERE "
6993 : "lower(table_name) = lower('%q')",
6994 : osLayerName.c_str());
6995 35 : eErr = SQLCommand(hDB, pszSQL);
6996 35 : sqlite3_free(pszSQL);
6997 : }
6998 : #endif
6999 :
7000 35 : if (eErr == OGRERR_NONE)
7001 : {
7002 35 : eErr = DeleteLayerCommon(osLayerName.c_str());
7003 : }
7004 :
7005 35 : if (eErr == OGRERR_NONE)
7006 : {
7007 35 : eErr = SoftCommitTransaction();
7008 35 : if (eErr == OGRERR_NONE)
7009 : {
7010 : /* Delete the layer object */
7011 35 : m_apoLayers.erase(m_apoLayers.begin() + iLayer);
7012 : }
7013 : }
7014 : else
7015 : {
7016 0 : SoftRollbackTransaction();
7017 : }
7018 :
7019 35 : return eErr;
7020 : }
7021 :
7022 : /************************************************************************/
7023 : /* DeleteRasterLayer() */
7024 : /************************************************************************/
7025 :
7026 2 : OGRErr GDALGeoPackageDataset::DeleteRasterLayer(const char *pszLayerName)
7027 : {
7028 : // Temporary remove foreign key checks
7029 : const GPKGTemporaryForeignKeyCheckDisabler
7030 2 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7031 :
7032 2 : OGRErr eErr = SoftStartTransaction();
7033 :
7034 2 : if (eErr == OGRERR_NONE)
7035 : {
7036 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix WHERE "
7037 : "lower(table_name) = lower('%q')",
7038 : pszLayerName);
7039 2 : eErr = SQLCommand(hDB, pszSQL);
7040 2 : sqlite3_free(pszSQL);
7041 : }
7042 :
7043 2 : if (eErr == OGRERR_NONE)
7044 : {
7045 2 : char *pszSQL = sqlite3_mprintf("DELETE FROM gpkg_tile_matrix_set WHERE "
7046 : "lower(table_name) = lower('%q')",
7047 : pszLayerName);
7048 2 : eErr = SQLCommand(hDB, pszSQL);
7049 2 : sqlite3_free(pszSQL);
7050 : }
7051 :
7052 2 : if (eErr == OGRERR_NONE && HasGriddedCoverageAncillaryTable())
7053 : {
7054 : char *pszSQL =
7055 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_coverage_ancillary "
7056 : "WHERE lower(tile_matrix_set_name) = lower('%q')",
7057 : pszLayerName);
7058 1 : eErr = SQLCommand(hDB, pszSQL);
7059 1 : sqlite3_free(pszSQL);
7060 :
7061 1 : if (eErr == OGRERR_NONE)
7062 : {
7063 : pszSQL =
7064 1 : sqlite3_mprintf("DELETE FROM gpkg_2d_gridded_tile_ancillary "
7065 : "WHERE lower(tpudt_name) = lower('%q')",
7066 : pszLayerName);
7067 1 : eErr = SQLCommand(hDB, pszSQL);
7068 1 : sqlite3_free(pszSQL);
7069 : }
7070 : }
7071 :
7072 2 : if (eErr == OGRERR_NONE)
7073 : {
7074 2 : eErr = DeleteLayerCommon(pszLayerName);
7075 : }
7076 :
7077 2 : if (eErr == OGRERR_NONE)
7078 : {
7079 2 : eErr = SoftCommitTransaction();
7080 : }
7081 : else
7082 : {
7083 0 : SoftRollbackTransaction();
7084 : }
7085 :
7086 4 : return eErr;
7087 : }
7088 :
7089 : /************************************************************************/
7090 : /* DeleteVectorOrRasterLayer() */
7091 : /************************************************************************/
7092 :
7093 13 : bool GDALGeoPackageDataset::DeleteVectorOrRasterLayer(const char *pszLayerName)
7094 : {
7095 :
7096 13 : int idx = FindLayerIndex(pszLayerName);
7097 13 : if (idx >= 0)
7098 : {
7099 5 : DeleteLayer(idx);
7100 5 : return true;
7101 : }
7102 :
7103 : char *pszSQL =
7104 8 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7105 : "lower(table_name) = lower('%q') "
7106 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7107 : pszLayerName);
7108 8 : bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7109 8 : sqlite3_free(pszSQL);
7110 8 : if (bIsRasterTable)
7111 : {
7112 2 : DeleteRasterLayer(pszLayerName);
7113 2 : return true;
7114 : }
7115 6 : return false;
7116 : }
7117 :
7118 7 : bool GDALGeoPackageDataset::RenameVectorOrRasterLayer(
7119 : const char *pszLayerName, const char *pszNewLayerName)
7120 : {
7121 7 : int idx = FindLayerIndex(pszLayerName);
7122 7 : if (idx >= 0)
7123 : {
7124 4 : m_apoLayers[idx]->Rename(pszNewLayerName);
7125 4 : return true;
7126 : }
7127 :
7128 : char *pszSQL =
7129 3 : sqlite3_mprintf("SELECT 1 FROM gpkg_contents WHERE "
7130 : "lower(table_name) = lower('%q') "
7131 : "AND data_type IN ('tiles', '2d-gridded-coverage')",
7132 : pszLayerName);
7133 3 : const bool bIsRasterTable = SQLGetInteger(hDB, pszSQL, nullptr) == 1;
7134 3 : sqlite3_free(pszSQL);
7135 :
7136 3 : if (bIsRasterTable)
7137 : {
7138 2 : return RenameRasterLayer(pszLayerName, pszNewLayerName);
7139 : }
7140 :
7141 1 : return false;
7142 : }
7143 :
7144 2 : bool GDALGeoPackageDataset::RenameRasterLayer(const char *pszLayerName,
7145 : const char *pszNewLayerName)
7146 : {
7147 4 : std::string osSQL;
7148 :
7149 2 : char *pszSQL = sqlite3_mprintf(
7150 : "SELECT 1 FROM sqlite_master WHERE lower(name) = lower('%q') "
7151 : "AND type IN ('table', 'view')",
7152 : pszNewLayerName);
7153 2 : const bool bAlreadyExists = SQLGetInteger(GetDB(), pszSQL, nullptr) == 1;
7154 2 : sqlite3_free(pszSQL);
7155 2 : if (bAlreadyExists)
7156 : {
7157 0 : CPLError(CE_Failure, CPLE_AppDefined, "Table %s already exists",
7158 : pszNewLayerName);
7159 0 : return false;
7160 : }
7161 :
7162 : // Temporary remove foreign key checks
7163 : const GPKGTemporaryForeignKeyCheckDisabler
7164 4 : oGPKGTemporaryForeignKeyCheckDisabler(this);
7165 :
7166 2 : if (SoftStartTransaction() != OGRERR_NONE)
7167 : {
7168 0 : return false;
7169 : }
7170 :
7171 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET table_name = '%q' WHERE "
7172 : "lower(table_name) = lower('%q');",
7173 : pszNewLayerName, pszLayerName);
7174 2 : osSQL = pszSQL;
7175 2 : sqlite3_free(pszSQL);
7176 :
7177 2 : pszSQL = sqlite3_mprintf("UPDATE gpkg_contents SET identifier = '%q' WHERE "
7178 : "lower(identifier) = lower('%q');",
7179 : pszNewLayerName, pszLayerName);
7180 2 : osSQL += pszSQL;
7181 2 : sqlite3_free(pszSQL);
7182 :
7183 : pszSQL =
7184 2 : sqlite3_mprintf("UPDATE gpkg_tile_matrix SET table_name = '%q' WHERE "
7185 : "lower(table_name) = lower('%q');",
7186 : pszNewLayerName, pszLayerName);
7187 2 : osSQL += pszSQL;
7188 2 : sqlite3_free(pszSQL);
7189 :
7190 2 : pszSQL = sqlite3_mprintf(
7191 : "UPDATE gpkg_tile_matrix_set SET table_name = '%q' WHERE "
7192 : "lower(table_name) = lower('%q');",
7193 : pszNewLayerName, pszLayerName);
7194 2 : osSQL += pszSQL;
7195 2 : sqlite3_free(pszSQL);
7196 :
7197 2 : if (HasGriddedCoverageAncillaryTable())
7198 : {
7199 1 : pszSQL = sqlite3_mprintf("UPDATE gpkg_2d_gridded_coverage_ancillary "
7200 : "SET tile_matrix_set_name = '%q' WHERE "
7201 : "lower(tile_matrix_set_name) = lower('%q');",
7202 : pszNewLayerName, pszLayerName);
7203 1 : osSQL += pszSQL;
7204 1 : sqlite3_free(pszSQL);
7205 :
7206 1 : pszSQL = sqlite3_mprintf(
7207 : "UPDATE gpkg_2d_gridded_tile_ancillary SET tpudt_name = '%q' WHERE "
7208 : "lower(tpudt_name) = lower('%q');",
7209 : pszNewLayerName, pszLayerName);
7210 1 : osSQL += pszSQL;
7211 1 : sqlite3_free(pszSQL);
7212 : }
7213 :
7214 2 : if (HasExtensionsTable())
7215 : {
7216 2 : pszSQL = sqlite3_mprintf(
7217 : "UPDATE gpkg_extensions SET table_name = '%q' WHERE "
7218 : "lower(table_name) = lower('%q');",
7219 : pszNewLayerName, pszLayerName);
7220 2 : osSQL += pszSQL;
7221 2 : sqlite3_free(pszSQL);
7222 : }
7223 :
7224 2 : if (HasMetadataTables())
7225 : {
7226 1 : pszSQL = sqlite3_mprintf(
7227 : "UPDATE gpkg_metadata_reference SET table_name = '%q' WHERE "
7228 : "lower(table_name) = lower('%q');",
7229 : pszNewLayerName, pszLayerName);
7230 1 : osSQL += pszSQL;
7231 1 : sqlite3_free(pszSQL);
7232 : }
7233 :
7234 2 : if (HasDataColumnsTable())
7235 : {
7236 0 : pszSQL = sqlite3_mprintf(
7237 : "UPDATE gpkg_data_columns SET table_name = '%q' WHERE "
7238 : "lower(table_name) = lower('%q');",
7239 : pszNewLayerName, pszLayerName);
7240 0 : osSQL += pszSQL;
7241 0 : sqlite3_free(pszSQL);
7242 : }
7243 :
7244 2 : if (HasQGISLayerStyles())
7245 : {
7246 : // Update QGIS styles
7247 : pszSQL =
7248 0 : sqlite3_mprintf("UPDATE layer_styles SET f_table_name = '%q' WHERE "
7249 : "lower(f_table_name) = lower('%q');",
7250 : pszNewLayerName, pszLayerName);
7251 0 : osSQL += pszSQL;
7252 0 : sqlite3_free(pszSQL);
7253 : }
7254 :
7255 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7256 2 : if (m_bHasGPKGOGRContents)
7257 : {
7258 2 : pszSQL = sqlite3_mprintf(
7259 : "UPDATE gpkg_ogr_contents SET table_name = '%q' WHERE "
7260 : "lower(table_name) = lower('%q');",
7261 : pszNewLayerName, pszLayerName);
7262 2 : osSQL += pszSQL;
7263 2 : sqlite3_free(pszSQL);
7264 : }
7265 : #endif
7266 :
7267 2 : if (HasGpkgextRelationsTable())
7268 : {
7269 0 : pszSQL = sqlite3_mprintf(
7270 : "UPDATE gpkgext_relations SET base_table_name = '%q' WHERE "
7271 : "lower(base_table_name) = lower('%q');",
7272 : pszNewLayerName, pszLayerName);
7273 0 : osSQL += pszSQL;
7274 0 : sqlite3_free(pszSQL);
7275 :
7276 0 : pszSQL = sqlite3_mprintf(
7277 : "UPDATE gpkgext_relations SET related_table_name = '%q' WHERE "
7278 : "lower(related_table_name) = lower('%q');",
7279 : pszNewLayerName, pszLayerName);
7280 0 : osSQL += pszSQL;
7281 0 : sqlite3_free(pszSQL);
7282 :
7283 0 : pszSQL = sqlite3_mprintf(
7284 : "UPDATE gpkgext_relations SET mapping_table_name = '%q' WHERE "
7285 : "lower(mapping_table_name) = lower('%q');",
7286 : pszNewLayerName, pszLayerName);
7287 0 : osSQL += pszSQL;
7288 0 : sqlite3_free(pszSQL);
7289 : }
7290 :
7291 : // Drop all triggers for the layer
7292 2 : pszSQL = sqlite3_mprintf("SELECT name FROM sqlite_master WHERE type = "
7293 : "'trigger' AND tbl_name = '%q'",
7294 : pszLayerName);
7295 2 : auto oTriggerResult = SQLQuery(GetDB(), pszSQL);
7296 2 : sqlite3_free(pszSQL);
7297 2 : if (oTriggerResult)
7298 : {
7299 14 : for (int i = 0; i < oTriggerResult->RowCount(); i++)
7300 : {
7301 12 : const char *pszTriggerName = oTriggerResult->GetValue(0, i);
7302 12 : pszSQL = sqlite3_mprintf("DROP TRIGGER IF EXISTS \"%w\";",
7303 : pszTriggerName);
7304 12 : osSQL += pszSQL;
7305 12 : sqlite3_free(pszSQL);
7306 : }
7307 : }
7308 :
7309 2 : pszSQL = sqlite3_mprintf("ALTER TABLE \"%w\" RENAME TO \"%w\";",
7310 : pszLayerName, pszNewLayerName);
7311 2 : osSQL += pszSQL;
7312 2 : sqlite3_free(pszSQL);
7313 :
7314 : // Recreate all zoom/tile triggers
7315 2 : if (oTriggerResult)
7316 : {
7317 2 : osSQL += CreateRasterTriggersSQL(pszNewLayerName);
7318 : }
7319 :
7320 2 : OGRErr eErr = SQLCommand(GetDB(), osSQL.c_str());
7321 :
7322 : // Check foreign key integrity
7323 2 : if (eErr == OGRERR_NONE)
7324 : {
7325 2 : eErr = PragmaCheck("foreign_key_check", "", 0);
7326 : }
7327 :
7328 2 : if (eErr == OGRERR_NONE)
7329 : {
7330 2 : eErr = SoftCommitTransaction();
7331 : }
7332 : else
7333 : {
7334 0 : SoftRollbackTransaction();
7335 : }
7336 :
7337 2 : return eErr == OGRERR_NONE;
7338 : }
7339 :
7340 : /************************************************************************/
7341 : /* TestCapability() */
7342 : /************************************************************************/
7343 :
7344 449 : int GDALGeoPackageDataset::TestCapability(const char *pszCap)
7345 : {
7346 449 : if (EQUAL(pszCap, ODsCCreateLayer) || EQUAL(pszCap, ODsCDeleteLayer) ||
7347 284 : EQUAL(pszCap, "RenameLayer"))
7348 : {
7349 165 : return GetUpdate();
7350 : }
7351 284 : else if (EQUAL(pszCap, ODsCCurveGeometries))
7352 12 : return TRUE;
7353 272 : else if (EQUAL(pszCap, ODsCMeasuredGeometries))
7354 8 : return TRUE;
7355 264 : else if (EQUAL(pszCap, ODsCZGeometries))
7356 8 : return TRUE;
7357 256 : else if (EQUAL(pszCap, ODsCRandomLayerWrite) ||
7358 256 : EQUAL(pszCap, GDsCAddRelationship) ||
7359 256 : EQUAL(pszCap, GDsCDeleteRelationship) ||
7360 256 : EQUAL(pszCap, GDsCUpdateRelationship) ||
7361 256 : EQUAL(pszCap, ODsCAddFieldDomain))
7362 1 : return GetUpdate();
7363 :
7364 255 : return OGRSQLiteBaseDataSource::TestCapability(pszCap);
7365 : }
7366 :
7367 : /************************************************************************/
7368 : /* ResetReadingAllLayers() */
7369 : /************************************************************************/
7370 :
7371 204 : void GDALGeoPackageDataset::ResetReadingAllLayers()
7372 : {
7373 413 : for (auto &poLayer : m_apoLayers)
7374 : {
7375 209 : poLayer->ResetReading();
7376 : }
7377 204 : }
7378 :
7379 : /************************************************************************/
7380 : /* ExecuteSQL() */
7381 : /************************************************************************/
7382 :
7383 : static const char *const apszFuncsWithSideEffects[] = {
7384 : "CreateSpatialIndex",
7385 : "DisableSpatialIndex",
7386 : "HasSpatialIndex",
7387 : "RegisterGeometryExtension",
7388 : };
7389 :
7390 5650 : OGRLayer *GDALGeoPackageDataset::ExecuteSQL(const char *pszSQLCommand,
7391 : OGRGeometry *poSpatialFilter,
7392 : const char *pszDialect)
7393 :
7394 : {
7395 5650 : m_bHasReadMetadataFromStorage = false;
7396 :
7397 5650 : FlushMetadata();
7398 :
7399 5668 : while (*pszSQLCommand != '\0' &&
7400 5668 : isspace(static_cast<unsigned char>(*pszSQLCommand)))
7401 18 : pszSQLCommand++;
7402 :
7403 11300 : CPLString osSQLCommand(pszSQLCommand);
7404 5650 : if (!osSQLCommand.empty() && osSQLCommand.back() == ';')
7405 48 : osSQLCommand.pop_back();
7406 :
7407 5650 : 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 5581 : osSQLCommand.ifind("insert into ") != std::string::npos ||
7414 2460 : osSQLCommand.ifind("insert or replace into ") !=
7415 8041 : std::string::npos ||
7416 2423 : osSQLCommand.ifind("delete from ") != std::string::npos;
7417 : const bool bRollback =
7418 5581 : osSQLCommand.ifind("rollback ") != std::string::npos;
7419 : #endif
7420 :
7421 7410 : for (auto &poLayer : m_apoLayers)
7422 : {
7423 1829 : if (poLayer->SyncToDisk() != OGRERR_NONE)
7424 0 : return nullptr;
7425 : #ifdef ENABLE_GPKG_OGR_CONTENTS
7426 2034 : 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 5650 : if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 0") ||
7437 5649 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=0") ||
7438 5649 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =0") ||
7439 5649 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 0"))
7440 : {
7441 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, false);
7442 : }
7443 5649 : else if (EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like = 1") ||
7444 5648 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like=1") ||
7445 5648 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like =1") ||
7446 5648 : EQUAL(pszSQLCommand, "PRAGMA case_sensitive_like= 1"))
7447 : {
7448 1 : OGRSQLiteSQLFunctionsSetCaseSensitiveLike(m_pSQLFunctionData, true);
7449 : }
7450 :
7451 : /* -------------------------------------------------------------------- */
7452 : /* DEBUG "SELECT nolock" command. */
7453 : /* -------------------------------------------------------------------- */
7454 5719 : 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 5647 : 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 5643 : 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 5639 : 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 5635 : 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 5627 : if (ProcessTransactionSQL(osSQLCommand))
7592 : {
7593 253 : return nullptr;
7594 : }
7595 :
7596 5374 : if (EQUAL(osSQLCommand, "VACUUM"))
7597 : {
7598 13 : ResetReadingAllLayers();
7599 : }
7600 5361 : 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 5337 : else if (pszDialect != nullptr && EQUAL(pszDialect, "INDIRECT_SQLITE"))
7619 1 : return GDALDataset::ExecuteSQL(osSQLCommand, poSpatialFilter, "SQLITE");
7620 5336 : 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 5364 : 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 5364 : bool bUseStatementForGetNextFeature = true;
7635 5364 : bool bEmptyLayer = false;
7636 10728 : CPLString osSQLCommandTruncated(osSQLCommand);
7637 :
7638 17698 : if (osSQLCommand.ifind("SELECT ") == 0 &&
7639 6167 : CPLString(osSQLCommand.substr(1)).ifind("SELECT ") ==
7640 769 : std::string::npos &&
7641 769 : osSQLCommand.ifind(" UNION ") == std::string::npos &&
7642 6936 : osSQLCommand.ifind(" INTERSECT ") == std::string::npos &&
7643 769 : osSQLCommand.ifind(" EXCEPT ") == std::string::npos)
7644 : {
7645 769 : size_t nOrderByPos = osSQLCommand.ifind(" ORDER BY ");
7646 769 : if (nOrderByPos != std::string::npos)
7647 : {
7648 9 : osSQLCommandTruncated.resize(nOrderByPos);
7649 9 : bUseStatementForGetNextFeature = false;
7650 : }
7651 : }
7652 :
7653 5364 : int rc = prepareSql(hDB, osSQLCommandTruncated.c_str(),
7654 5364 : static_cast<int>(osSQLCommandTruncated.size()),
7655 : &hSQLStmt, nullptr);
7656 :
7657 5364 : 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 5355 : rc = sqlite3_step(hSQLStmt);
7675 :
7676 6949 : for (auto &poLayer : m_apoLayers)
7677 : {
7678 1594 : poLayer->RunDeferredDropRTreeTableIfNecessary();
7679 : }
7680 :
7681 5355 : if (rc != SQLITE_ROW)
7682 : {
7683 4633 : 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 4626 : 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 4613 : if (!STARTS_WITH_CI(osSQLCommand, "SELECT "))
7702 : {
7703 4488 : sqlite3_finalize(hSQLStmt);
7704 4488 : return nullptr;
7705 : }
7706 :
7707 125 : bUseStatementForGetNextFeature = false;
7708 125 : bEmptyLayer = true;
7709 : }
7710 :
7711 : /* -------------------------------------------------------------------- */
7712 : /* Special case for some functions which must be run */
7713 : /* only once */
7714 : /* -------------------------------------------------------------------- */
7715 847 : if (STARTS_WITH_CI(osSQLCommand, "SELECT "))
7716 : {
7717 3859 : for (unsigned int i = 0; i < sizeof(apszFuncsWithSideEffects) /
7718 : sizeof(apszFuncsWithSideEffects[0]);
7719 : i++)
7720 : {
7721 3113 : 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 1546 : bEmptyLayer);
7771 :
7772 776 : if (poSpatialFilter != nullptr &&
7773 3 : poLayer->GetLayerDefn()->GetGeomFieldCount() > 0)
7774 3 : poLayer->SetSpatialFilter(0, poSpatialFilter);
7775 :
7776 773 : return poLayer.release();
7777 : }
7778 :
7779 : /************************************************************************/
7780 : /* ReleaseResultSet() */
7781 : /************************************************************************/
7782 :
7783 806 : void GDALGeoPackageDataset::ReleaseResultSet(OGRLayer *poLayer)
7784 :
7785 : {
7786 806 : delete poLayer;
7787 806 : }
7788 :
7789 : /************************************************************************/
7790 : /* HasExtensionsTable() */
7791 : /************************************************************************/
7792 :
7793 6511 : bool GDALGeoPackageDataset::HasExtensionsTable()
7794 : {
7795 6511 : return SQLGetInteger(
7796 : hDB,
7797 : "SELECT 1 FROM sqlite_master WHERE name = 'gpkg_extensions' "
7798 : "AND type IN ('table', 'view')",
7799 6511 : nullptr) == 1;
7800 : }
7801 :
7802 : /************************************************************************/
7803 : /* CheckUnknownExtensions() */
7804 : /************************************************************************/
7805 :
7806 1477 : void GDALGeoPackageDataset::CheckUnknownExtensions(bool bCheckRasterTable)
7807 : {
7808 1477 : if (!HasExtensionsTable())
7809 197 : return;
7810 :
7811 1280 : char *pszSQL = nullptr;
7812 1280 : if (!bCheckRasterTable)
7813 1071 : 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 2560 : auto oResultTable = SQLQuery(GetDB(), pszSQL);
7858 1280 : sqlite3_free(pszSQL);
7859 1280 : if (oResultTable && oResultTable->RowCount() > 0)
7860 : {
7861 44 : for (int i = 0; i < oResultTable->RowCount(); i++)
7862 : {
7863 22 : const char *pszExtName = oResultTable->GetValue(0, i);
7864 22 : const char *pszDefinition = oResultTable->GetValue(1, i);
7865 22 : const char *pszScope = oResultTable->GetValue(2, i);
7866 22 : if (pszExtName == nullptr || pszDefinition == nullptr ||
7867 : pszScope == nullptr)
7868 : {
7869 0 : continue;
7870 : }
7871 :
7872 22 : if (EQUAL(pszExtName, "gpkg_webp"))
7873 : {
7874 16 : 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 16 : m_eTF = GPKG_TF_WEBP;
7883 16 : 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 1020 : bool GDALGeoPackageDataset::HasGDALAspatialExtension()
7936 : {
7937 1020 : if (!HasExtensionsTable())
7938 90 : 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 930 : );
7948 930 : bool bHasExtension = (oResultTable && oResultTable->RowCount() == 1);
7949 930 : return bHasExtension;
7950 : }
7951 :
7952 : std::string
7953 190 : GDALGeoPackageDataset::CreateRasterTriggersSQL(const std::string &osTableName)
7954 : {
7955 : char *pszSQL;
7956 190 : std::string osSQL;
7957 : /* From D.5. sample_tile_pyramid Table 43. tiles table Trigger
7958 : * Definition SQL */
7959 190 : 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 190 : osSQL = pszSQL;
8041 190 : sqlite3_free(pszSQL);
8042 190 : return osSQL;
8043 : }
8044 :
8045 : /************************************************************************/
8046 : /* CreateExtensionsTableIfNecessary() */
8047 : /************************************************************************/
8048 :
8049 1159 : OGRErr GDALGeoPackageDataset::CreateExtensionsTableIfNecessary()
8050 : {
8051 : /* Check if the table gpkg_extensions exists */
8052 1159 : if (HasExtensionsTable())
8053 410 : 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 749 : 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 749 : 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 243781 : static void OGRGeoPackageSTMinX(sqlite3_context *pContext, int argc,
8146 : sqlite3_value **argv)
8147 : {
8148 : GPkgHeader sHeader;
8149 243781 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8150 : {
8151 3 : sqlite3_result_null(pContext);
8152 3 : return;
8153 : }
8154 243778 : sqlite3_result_double(pContext, sHeader.MinX);
8155 : }
8156 :
8157 : /************************************************************************/
8158 : /* OGRGeoPackageSTMinY() */
8159 : /************************************************************************/
8160 :
8161 243779 : static void OGRGeoPackageSTMinY(sqlite3_context *pContext, int argc,
8162 : sqlite3_value **argv)
8163 : {
8164 : GPkgHeader sHeader;
8165 243779 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8166 : {
8167 1 : sqlite3_result_null(pContext);
8168 1 : return;
8169 : }
8170 243778 : sqlite3_result_double(pContext, sHeader.MinY);
8171 : }
8172 :
8173 : /************************************************************************/
8174 : /* OGRGeoPackageSTMaxX() */
8175 : /************************************************************************/
8176 :
8177 243779 : static void OGRGeoPackageSTMaxX(sqlite3_context *pContext, int argc,
8178 : sqlite3_value **argv)
8179 : {
8180 : GPkgHeader sHeader;
8181 243779 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8182 : {
8183 1 : sqlite3_result_null(pContext);
8184 1 : return;
8185 : }
8186 243778 : sqlite3_result_double(pContext, sHeader.MaxX);
8187 : }
8188 :
8189 : /************************************************************************/
8190 : /* OGRGeoPackageSTMaxY() */
8191 : /************************************************************************/
8192 :
8193 243779 : static void OGRGeoPackageSTMaxY(sqlite3_context *pContext, int argc,
8194 : sqlite3_value **argv)
8195 : {
8196 : GPkgHeader sHeader;
8197 243779 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, true, false))
8198 : {
8199 1 : sqlite3_result_null(pContext);
8200 1 : return;
8201 : }
8202 243778 : sqlite3_result_double(pContext, sHeader.MaxY);
8203 : }
8204 :
8205 : /************************************************************************/
8206 : /* OGRGeoPackageSTIsEmpty() */
8207 : /************************************************************************/
8208 :
8209 245184 : static void OGRGeoPackageSTIsEmpty(sqlite3_context *pContext, int argc,
8210 : sqlite3_value **argv)
8211 : {
8212 : GPkgHeader sHeader;
8213 245184 : if (!OGRGeoPackageGetHeader(pContext, argc, argv, &sHeader, false, false))
8214 : {
8215 2 : sqlite3_result_null(pContext);
8216 2 : return;
8217 : }
8218 245182 : 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 2073 : void GDALGeoPackageDataset::InstallSQLFunctions()
9344 : {
9345 2073 : 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 2073 : sqlite3_exec(hDB, "SELECT EnableGpkgAmphibiousMode()", nullptr, nullptr,
9353 : nullptr);
9354 :
9355 : /* Used by RTree Spatial Index Extension */
9356 2073 : sqlite3_create_function(hDB, "ST_MinX", 1, UTF8_INNOCUOUS, nullptr,
9357 : OGRGeoPackageSTMinX, nullptr, nullptr);
9358 2073 : sqlite3_create_function(hDB, "ST_MinY", 1, UTF8_INNOCUOUS, nullptr,
9359 : OGRGeoPackageSTMinY, nullptr, nullptr);
9360 2073 : sqlite3_create_function(hDB, "ST_MaxX", 1, UTF8_INNOCUOUS, nullptr,
9361 : OGRGeoPackageSTMaxX, nullptr, nullptr);
9362 2073 : sqlite3_create_function(hDB, "ST_MaxY", 1, UTF8_INNOCUOUS, nullptr,
9363 : OGRGeoPackageSTMaxY, nullptr, nullptr);
9364 2073 : sqlite3_create_function(hDB, "ST_IsEmpty", 1, UTF8_INNOCUOUS, nullptr,
9365 : OGRGeoPackageSTIsEmpty, nullptr, nullptr);
9366 :
9367 : /* Used by Geometry Type Triggers Extension */
9368 2073 : sqlite3_create_function(hDB, "ST_GeometryType", 1, UTF8_INNOCUOUS, nullptr,
9369 : OGRGeoPackageSTGeometryType, nullptr, nullptr);
9370 2073 : 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 2073 : sqlite3_create_function(hDB, "ST_SRID", 1, UTF8_INNOCUOUS, nullptr,
9376 : OGRGeoPackageSTSRID, nullptr, nullptr);
9377 :
9378 : /* Spatialite-like functions */
9379 2073 : sqlite3_create_function(hDB, "CreateSpatialIndex", 2, SQLITE_UTF8, this,
9380 : OGRGeoPackageCreateSpatialIndex, nullptr, nullptr);
9381 2073 : sqlite3_create_function(hDB, "DisableSpatialIndex", 2, SQLITE_UTF8, this,
9382 : OGRGeoPackageDisableSpatialIndex, nullptr, nullptr);
9383 2073 : sqlite3_create_function(hDB, "HasSpatialIndex", 2, SQLITE_UTF8, this,
9384 : OGRGeoPackageHasSpatialIndex, nullptr, nullptr);
9385 :
9386 : // HSTORE functions
9387 2073 : 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 2073 : sqlite3_create_function(hDB, "ST_Transform", 2, UTF8_INNOCUOUS, this,
9392 : OGRGeoPackageTransform, nullptr, nullptr);
9393 2073 : sqlite3_create_function(hDB, "Transform", 2, UTF8_INNOCUOUS, this,
9394 : OGRGeoPackageTransform, nullptr, nullptr);
9395 2073 : sqlite3_create_function(hDB, "SridFromAuthCRS", 2, SQLITE_UTF8, this,
9396 : OGRGeoPackageSridFromAuthCRS, nullptr, nullptr);
9397 :
9398 2073 : sqlite3_create_function(hDB, "ST_EnvIntersects", 2, UTF8_INNOCUOUS, nullptr,
9399 : OGRGeoPackageSTEnvelopesIntersectsTwoParams,
9400 : nullptr, nullptr);
9401 2073 : sqlite3_create_function(
9402 : hDB, "ST_EnvelopesIntersects", 2, UTF8_INNOCUOUS, nullptr,
9403 : OGRGeoPackageSTEnvelopesIntersectsTwoParams, nullptr, nullptr);
9404 :
9405 2073 : sqlite3_create_function(hDB, "ST_EnvIntersects", 5, UTF8_INNOCUOUS, nullptr,
9406 : OGRGeoPackageSTEnvelopesIntersects, nullptr,
9407 : nullptr);
9408 2073 : 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 2073 : sqlite3_create_function(hDB, "SetSRID", 2, UTF8_INNOCUOUS, nullptr,
9414 : OGRGeoPackageSetSRID, nullptr, nullptr);
9415 :
9416 : // GDAL specific function
9417 2073 : sqlite3_create_function(hDB, "ImportFromEPSG", 1, SQLITE_UTF8, this,
9418 : OGRGeoPackageImportFromEPSG, nullptr, nullptr);
9419 :
9420 : // May be used by ogrmerge.py
9421 2073 : sqlite3_create_function(hDB, "RegisterGeometryExtension", 3, SQLITE_UTF8,
9422 : this, OGRGeoPackageRegisterGeometryExtension,
9423 : nullptr, nullptr);
9424 :
9425 2073 : if (OGRGeometryFactory::haveGEOS())
9426 : {
9427 2073 : sqlite3_create_function(hDB, "ST_MakeValid", 1, UTF8_INNOCUOUS, nullptr,
9428 : OGRGeoPackageSTMakeValid, nullptr, nullptr);
9429 : }
9430 :
9431 2073 : sqlite3_create_function(hDB, "ST_Length", 1, UTF8_INNOCUOUS, nullptr,
9432 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9433 : nullptr);
9434 2073 : sqlite3_create_function(hDB, "ST_Length", 2, UTF8_INNOCUOUS, this,
9435 : OGRGeoPackageLengthOrGeodesicLength, nullptr,
9436 : nullptr);
9437 :
9438 2073 : sqlite3_create_function(hDB, "ST_Area", 1, UTF8_INNOCUOUS, nullptr,
9439 : OGRGeoPackageSTArea, nullptr, nullptr);
9440 2073 : sqlite3_create_function(hDB, "ST_Area", 2, UTF8_INNOCUOUS, this,
9441 : OGRGeoPackageGeodesicArea, nullptr, nullptr);
9442 :
9443 : // Debug functions
9444 2073 : if (CPLTestBool(CPLGetConfigOption("GPKG_DEBUG", "FALSE")))
9445 : {
9446 423 : sqlite3_create_function(hDB, "GDAL_GetMimeType", 1,
9447 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9448 : GPKG_GDAL_GetMimeType, nullptr, nullptr);
9449 423 : sqlite3_create_function(hDB, "GDAL_GetBandCount", 1,
9450 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9451 : GPKG_GDAL_GetBandCount, nullptr, nullptr);
9452 423 : sqlite3_create_function(hDB, "GDAL_HasColorTable", 1,
9453 : SQLITE_UTF8 | SQLITE_DETERMINISTIC, nullptr,
9454 : GPKG_GDAL_HasColorTable, nullptr, nullptr);
9455 : }
9456 :
9457 2073 : sqlite3_create_function(hDB, "gdal_get_layer_pixel_value", 5, SQLITE_UTF8,
9458 : this, GPKG_gdal_get_layer_pixel_value, nullptr,
9459 : nullptr);
9460 2073 : 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 2073 : sqlite3_create_function(hDB, "ogr_layer_Extent", 1, SQLITE_UTF8, this,
9466 : GPKG_ogr_layer_Extent, nullptr, nullptr);
9467 :
9468 2073 : m_pSQLFunctionData = OGRSQLiteRegisterSQLFunctionsCommon(hDB);
9469 2073 : }
9470 :
9471 : /************************************************************************/
9472 : /* OpenOrCreateDB() */
9473 : /************************************************************************/
9474 :
9475 2077 : bool GDALGeoPackageDataset::OpenOrCreateDB(int flags)
9476 : {
9477 2077 : const bool bSuccess = OGRSQLiteBaseDataSource::OpenOrCreateDB(
9478 : flags, /*bRegisterOGR2SQLiteExtensions=*/false,
9479 : /*bLoadExtensions=*/true);
9480 2077 : 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 2068 : SQLCommand(hDB, "PRAGMA recursive_triggers = 1");
9487 :
9488 2068 : InstallSQLFunctions();
9489 :
9490 : const char *pszSqlitePragma =
9491 2068 : CPLGetConfigOption("OGR_SQLITE_PRAGMA", nullptr);
9492 2068 : OGRErr eErr = OGRERR_NONE;
9493 6 : if ((!pszSqlitePragma || !strstr(pszSqlitePragma, "trusted_schema")) &&
9494 : // Older sqlite versions don't have this pragma
9495 4142 : SQLGetInteger(hDB, "PRAGMA trusted_schema", &eErr) == 0 &&
9496 2068 : eErr == OGRERR_NONE)
9497 : {
9498 2068 : 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 5094 : if (((flags & SQLITE_OPEN_READWRITE) != 0 ||
9504 3178 : (flags & SQLITE_OPEN_CREATE) != 0) &&
9505 1110 : OGRSQLiteRTreeRequiresTrustedSchemaOn())
9506 : {
9507 1110 : bNeedsTrustedSchema = true;
9508 : }
9509 :
9510 : #ifdef HAVE_SPATIALITE
9511 : // Spatialite <= 5.1.0 doesn't declare its functions as SQLITE_INNOCUOUS
9512 958 : if (!bNeedsTrustedSchema && HasExtensionsTable() &&
9513 877 : SQLGetInteger(
9514 : hDB,
9515 : "SELECT 1 FROM gpkg_extensions WHERE "
9516 : "extension_name ='gdal_spatialite_computed_geom_column'",
9517 1 : nullptr) == 1 &&
9518 3026 : SpatialiteRequiresTrustedSchemaOn() && AreSpatialiteTriggersSafe())
9519 : {
9520 1 : bNeedsTrustedSchema = true;
9521 : }
9522 : #endif
9523 :
9524 2068 : if (bNeedsTrustedSchema)
9525 : {
9526 1111 : CPLDebug("GPKG", "Setting PRAGMA trusted_schema = 1");
9527 1111 : SQLCommand(hDB, "PRAGMA trusted_schema = 1");
9528 : }
9529 : }
9530 :
9531 : const char *pszPreludeStatements =
9532 2068 : CSLFetchNameValue(papszOpenOptions, "PRELUDE_STATEMENTS");
9533 2068 : if (pszPreludeStatements)
9534 : {
9535 2 : if (SQLCommand(hDB, pszPreludeStatements) != OGRERR_NONE)
9536 0 : return false;
9537 : }
9538 :
9539 2068 : 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 208 : OGRErr GDALGeoPackageDataset::CommitTransaction()
9559 :
9560 : {
9561 208 : if (m_nSoftTransactionLevel == 1)
9562 : {
9563 207 : FlushMetadata();
9564 463 : for (auto &poLayer : m_apoLayers)
9565 : {
9566 256 : poLayer->DoJobAtTransactionCommit();
9567 : }
9568 : }
9569 :
9570 208 : 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 1447 : GDALGeoPackageDataset::GetGeometryTypeString(OGRwkbGeometryType eType)
9630 : {
9631 1447 : const char *pszGPKGGeomType = OGRToOGCGeomType(eType);
9632 1459 : if (EQUAL(pszGPKGGeomType, "GEOMETRYCOLLECTION") &&
9633 12 : CPLTestBool(CPLGetConfigOption("OGR_GPKG_GEOMCOLLECTION", "NO")))
9634 : {
9635 0 : pszGPKGGeomType = "GEOMCOLLECTION";
9636 : }
9637 1447 : return pszGPKGGeomType;
9638 : }
9639 :
9640 : /************************************************************************/
9641 : /* GetFieldDomainNames() */
9642 : /************************************************************************/
9643 :
9644 : std::vector<std::string>
9645 11 : GDALGeoPackageDataset::GetFieldDomainNames(CSLConstList) const
9646 : {
9647 11 : if (!HasDataColumnConstraintsTable())
9648 4 : return std::vector<std::string>();
9649 :
9650 14 : std::vector<std::string> oDomainNamesList;
9651 :
9652 7 : 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 7 : "LIMIT 10000" // to avoid denial of service
9660 : ;
9661 7 : oResultTable = SQLQuery(hDB, osSQL.c_str());
9662 7 : if (!oResultTable)
9663 0 : return oDomainNamesList;
9664 : }
9665 :
9666 7 : 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 7 : else if (oResultTable->RowCount() > 0)
9673 : {
9674 7 : oDomainNamesList.reserve(oResultTable->RowCount());
9675 89 : for (int i = 0; i < oResultTable->RowCount(); i++)
9676 : {
9677 82 : const char *pszConstraintName = oResultTable->GetValue(0, i);
9678 82 : if (!pszConstraintName)
9679 0 : continue;
9680 :
9681 82 : oDomainNamesList.emplace_back(pszConstraintName);
9682 : }
9683 : }
9684 :
9685 7 : return oDomainNamesList;
9686 : }
9687 :
9688 : /************************************************************************/
9689 : /* GetFieldDomain() */
9690 : /************************************************************************/
9691 :
9692 : const OGRFieldDomain *
9693 102 : GDALGeoPackageDataset::GetFieldDomain(const std::string &name) const
9694 : {
9695 102 : const auto baseRet = GDALDataset::GetFieldDomain(name);
9696 102 : if (baseRet)
9697 42 : return baseRet;
9698 :
9699 60 : if (!HasDataColumnConstraintsTable())
9700 4 : return nullptr;
9701 :
9702 56 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
9703 56 : const char *min_is_inclusive =
9704 56 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
9705 56 : const char *max_is_inclusive =
9706 56 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
9707 :
9708 56 : 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 56 : 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 56 : oResultTable = SQLQuery(hDB, pszSQL);
9738 56 : sqlite3_free(pszSQL);
9739 56 : if (!oResultTable)
9740 0 : return nullptr;
9741 : }
9742 56 : if (oResultTable->RowCount() == 0)
9743 : {
9744 15 : return nullptr;
9745 : }
9746 41 : 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 41 : int nFieldType = -1;
9756 41 : OGRFieldSubType eSubType = OFSTNone;
9757 41 : if (HasDataColumnsTable())
9758 : {
9759 36 : 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 72 : auto oResultTable2 = SQLQuery(hDB, pszSQL);
9764 36 : sqlite3_free(pszSQL);
9765 36 : if (oResultTable2 && oResultTable2->RowCount() >= 1)
9766 : {
9767 46 : for (int iRecord = 0; iRecord < oResultTable2->RowCount();
9768 : iRecord++)
9769 : {
9770 23 : const char *pszTableName = oResultTable2->GetValue(0, iRecord);
9771 23 : const char *pszColumnName = oResultTable2->GetValue(1, iRecord);
9772 23 : if (pszTableName == nullptr || pszColumnName == nullptr)
9773 0 : continue;
9774 : OGRLayer *poLayer =
9775 46 : const_cast<GDALGeoPackageDataset *>(this)->GetLayerByName(
9776 23 : pszTableName);
9777 23 : if (poLayer)
9778 : {
9779 23 : const auto poFDefn = poLayer->GetLayerDefn();
9780 23 : int nIdx = poFDefn->GetFieldIndex(pszColumnName);
9781 23 : if (nIdx >= 0)
9782 : {
9783 23 : const auto poFieldDefn = poFDefn->GetFieldDefn(nIdx);
9784 23 : const auto eType = poFieldDefn->GetType();
9785 23 : if (nFieldType < 0)
9786 : {
9787 23 : nFieldType = eType;
9788 23 : 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 41 : std::unique_ptr<OGRFieldDomain> poDomain;
9815 82 : std::vector<OGRCodedValue> asValues;
9816 41 : bool error = false;
9817 82 : CPLString osLastConstraintType;
9818 41 : int nFieldTypeFromEnumCode = -1;
9819 82 : std::string osConstraintDescription;
9820 82 : std::string osDescrConstraintName("_");
9821 41 : osDescrConstraintName += name;
9822 41 : osDescrConstraintName += "_domain_description";
9823 100 : for (int iRecord = 0; iRecord < oResultTable->RowCount(); iRecord++)
9824 : {
9825 63 : const char *pszConstraintType = oResultTable->GetValue(0, iRecord);
9826 63 : if (pszConstraintType == nullptr)
9827 1 : continue;
9828 63 : const char *pszValue = oResultTable->GetValue(1, iRecord);
9829 63 : const char *pszMin = oResultTable->GetValue(2, iRecord);
9830 : const bool bIsMinIncluded =
9831 63 : oResultTable->GetValueAsInteger(3, iRecord) == 1;
9832 63 : const char *pszMax = oResultTable->GetValue(4, iRecord);
9833 : const bool bIsMaxIncluded =
9834 63 : oResultTable->GetValueAsInteger(5, iRecord) == 1;
9835 63 : const char *pszDescription = oResultTable->GetValue(6, iRecord);
9836 63 : const char *pszConstraintName = oResultTable->GetValue(7, iRecord);
9837 :
9838 63 : 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 62 : if (strcmp(pszConstraintType, "enum") == 0)
9847 : {
9848 42 : 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 41 : if (osDescrConstraintName == pszConstraintName)
9856 : {
9857 1 : if (pszDescription)
9858 : {
9859 1 : osConstraintDescription = pszDescription;
9860 : }
9861 1 : continue;
9862 : }
9863 40 : if (asValues.empty())
9864 : {
9865 20 : asValues.reserve(oResultTable->RowCount() + 1);
9866 : }
9867 : OGRCodedValue cv;
9868 : // intended: the 'value' column in GPKG is actually the code
9869 40 : cv.pszCode = VSI_STRDUP_VERBOSE(pszValue);
9870 40 : if (cv.pszCode == nullptr)
9871 : {
9872 0 : error = true;
9873 0 : break;
9874 : }
9875 40 : if (pszDescription)
9876 : {
9877 29 : cv.pszValue = VSI_STRDUP_VERBOSE(pszDescription);
9878 29 : if (cv.pszValue == nullptr)
9879 : {
9880 0 : VSIFree(cv.pszCode);
9881 0 : error = true;
9882 0 : break;
9883 : }
9884 : }
9885 : else
9886 : {
9887 11 : cv.pszValue = nullptr;
9888 : }
9889 :
9890 : // If we can't get the data type from field definition, guess it
9891 : // from code.
9892 40 : if (nFieldType < 0 && nFieldTypeFromEnumCode != OFTString)
9893 : {
9894 18 : switch (CPLGetValueType(cv.pszCode))
9895 : {
9896 13 : case CPL_VALUE_INTEGER:
9897 : {
9898 13 : if (nFieldTypeFromEnumCode != OFTReal &&
9899 : nFieldTypeFromEnumCode != OFTInteger64)
9900 : {
9901 9 : const auto nVal = CPLAtoGIntBig(cv.pszCode);
9902 17 : if (nVal < std::numeric_limits<int>::min() ||
9903 8 : nVal > std::numeric_limits<int>::max())
9904 : {
9905 3 : nFieldTypeFromEnumCode = OFTInteger64;
9906 : }
9907 : else
9908 : {
9909 6 : nFieldTypeFromEnumCode = OFTInteger;
9910 : }
9911 : }
9912 13 : break;
9913 : }
9914 :
9915 3 : case CPL_VALUE_REAL:
9916 3 : nFieldTypeFromEnumCode = OFTReal;
9917 3 : break;
9918 :
9919 2 : case CPL_VALUE_STRING:
9920 2 : nFieldTypeFromEnumCode = OFTString;
9921 2 : break;
9922 : }
9923 : }
9924 :
9925 40 : asValues.emplace_back(cv);
9926 : }
9927 20 : else if (strcmp(pszConstraintType, "range") == 0)
9928 : {
9929 : OGRField sMin;
9930 : OGRField sMax;
9931 14 : OGR_RawField_SetUnset(&sMin);
9932 14 : OGR_RawField_SetUnset(&sMax);
9933 14 : if (nFieldType != OFTInteger && nFieldType != OFTInteger64)
9934 8 : nFieldType = OFTReal;
9935 27 : if (pszMin != nullptr &&
9936 13 : CPLAtof(pszMin) != -std::numeric_limits<double>::infinity())
9937 : {
9938 10 : if (nFieldType == OFTInteger)
9939 3 : sMin.Integer = atoi(pszMin);
9940 7 : else if (nFieldType == OFTInteger64)
9941 3 : sMin.Integer64 = CPLAtoGIntBig(pszMin);
9942 : else /* if( nFieldType == OFTReal ) */
9943 4 : sMin.Real = CPLAtof(pszMin);
9944 : }
9945 27 : if (pszMax != nullptr &&
9946 13 : CPLAtof(pszMax) != std::numeric_limits<double>::infinity())
9947 : {
9948 10 : if (nFieldType == OFTInteger)
9949 3 : sMax.Integer = atoi(pszMax);
9950 7 : else if (nFieldType == OFTInteger64)
9951 3 : sMax.Integer64 = CPLAtoGIntBig(pszMax);
9952 : else /* if( nFieldType == OFTReal ) */
9953 4 : sMax.Real = CPLAtof(pszMax);
9954 : }
9955 14 : poDomain = std::make_unique<OGRRangeFieldDomain>(
9956 14 : name, pszDescription ? pszDescription : "",
9957 28 : static_cast<OGRFieldType>(nFieldType), eSubType, sMin,
9958 14 : bIsMinIncluded, sMax, bIsMaxIncluded);
9959 : }
9960 6 : else if (strcmp(pszConstraintType, "glob") == 0)
9961 : {
9962 5 : 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 4 : if (nFieldType < 0)
9970 1 : nFieldType = OFTString;
9971 4 : poDomain = std::make_unique<OGRGlobFieldDomain>(
9972 4 : name, pszDescription ? pszDescription : "",
9973 12 : 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 58 : osLastConstraintType = pszConstraintType;
9984 : }
9985 :
9986 41 : if (!asValues.empty())
9987 : {
9988 20 : if (nFieldType < 0)
9989 9 : nFieldType = nFieldTypeFromEnumCode;
9990 20 : poDomain = std::make_unique<OGRCodedFieldDomain>(
9991 : name, osConstraintDescription,
9992 40 : static_cast<OGRFieldType>(nFieldType), eSubType,
9993 40 : std::move(asValues));
9994 : }
9995 :
9996 41 : if (error)
9997 : {
9998 4 : return nullptr;
9999 : }
10000 :
10001 37 : m_oMapFieldDomains[name] = std::move(poDomain);
10002 37 : return GDALDataset::GetFieldDomain(name);
10003 : }
10004 :
10005 : /************************************************************************/
10006 : /* AddFieldDomain() */
10007 : /************************************************************************/
10008 :
10009 18 : bool GDALGeoPackageDataset::AddFieldDomain(
10010 : std::unique_ptr<OGRFieldDomain> &&domain, std::string &failureReason)
10011 : {
10012 36 : const std::string domainName(domain->GetName());
10013 18 : if (!GetUpdate())
10014 : {
10015 0 : CPLError(CE_Failure, CPLE_NotSupported,
10016 : "AddFieldDomain() not supported on read-only dataset");
10017 0 : return false;
10018 : }
10019 18 : if (GetFieldDomain(domainName) != nullptr)
10020 : {
10021 1 : failureReason = "A domain of identical name already exists";
10022 1 : return false;
10023 : }
10024 17 : if (!CreateColumnsTableAndColumnConstraintsTablesIfNecessary())
10025 0 : return false;
10026 :
10027 17 : const bool bIsGPKG10 = HasDataColumnConstraintsTableGPKG_1_0();
10028 17 : const char *min_is_inclusive =
10029 17 : bIsGPKG10 ? "minIsInclusive" : "min_is_inclusive";
10030 17 : const char *max_is_inclusive =
10031 17 : bIsGPKG10 ? "maxIsInclusive" : "max_is_inclusive";
10032 :
10033 17 : const auto &osDescription = domain->GetDescription();
10034 17 : 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 5 : case OFDT_RANGE:
10078 : {
10079 : const auto poRangeDomain =
10080 5 : cpl::down_cast<const OGRRangeFieldDomain *>(domain.get());
10081 5 : const auto eFieldType = poRangeDomain->GetFieldType();
10082 5 : 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 5 : double dfMin = -std::numeric_limits<double>::infinity();
10091 5 : double dfMax = std::numeric_limits<double>::infinity();
10092 5 : bool bMinIsInclusive = true;
10093 5 : const auto &sMin = poRangeDomain->GetMin(bMinIsInclusive);
10094 5 : bool bMaxIsInclusive = true;
10095 5 : const auto &sMax = poRangeDomain->GetMax(bMaxIsInclusive);
10096 5 : if (eFieldType == OFTInteger)
10097 : {
10098 1 : if (!OGR_RawField_IsUnset(&sMin))
10099 1 : dfMin = sMin.Integer;
10100 1 : if (!OGR_RawField_IsUnset(&sMax))
10101 1 : 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 5 : sqlite3_stmt *hInsertStmt = nullptr;
10119 : const char *pszSQL =
10120 5 : 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 5 : if (SQLPrepareWithError(hDB, pszSQL, -1, &hInsertStmt, nullptr) !=
10127 : SQLITE_OK)
10128 : {
10129 0 : return false;
10130 : }
10131 5 : sqlite3_bind_text(hInsertStmt, 1, domainName.c_str(),
10132 5 : static_cast<int>(domainName.size()),
10133 : SQLITE_TRANSIENT);
10134 5 : sqlite3_bind_double(hInsertStmt, 2, dfMin);
10135 5 : sqlite3_bind_int(hInsertStmt, 3, bMinIsInclusive ? 1 : 0);
10136 5 : sqlite3_bind_double(hInsertStmt, 4, dfMax);
10137 5 : sqlite3_bind_int(hInsertStmt, 5, bMaxIsInclusive ? 1 : 0);
10138 5 : if (osDescription.empty())
10139 : {
10140 3 : sqlite3_bind_null(hInsertStmt, 6);
10141 : }
10142 : else
10143 : {
10144 2 : sqlite3_bind_text(hInsertStmt, 6, osDescription.c_str(),
10145 2 : static_cast<int>(osDescription.size()),
10146 : SQLITE_TRANSIENT);
10147 : }
10148 5 : const int sqlite_err = sqlite3_step(hInsertStmt);
10149 5 : sqlite3_finalize(hInsertStmt);
10150 5 : 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 5 : 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 17 : m_oMapFieldDomains[domainName] = std::move(domain);
10184 17 : return true;
10185 : }
10186 :
10187 : /************************************************************************/
10188 : /* AddRelationship() */
10189 : /************************************************************************/
10190 :
10191 24 : bool GDALGeoPackageDataset::AddRelationship(
10192 : std::unique_ptr<GDALRelationship> &&relationship,
10193 : std::string &failureReason)
10194 : {
10195 24 : if (!GetUpdate())
10196 : {
10197 0 : CPLError(CE_Failure, CPLE_NotSupported,
10198 : "AddRelationship() not supported on read-only dataset");
10199 0 : return false;
10200 : }
10201 :
10202 : const std::string osRelationshipName = GenerateNameForRelationship(
10203 24 : relationship->GetLeftTableName().c_str(),
10204 24 : relationship->GetRightTableName().c_str(),
10205 96 : relationship->GetRelatedTableType().c_str());
10206 : // sanity checks
10207 24 : if (GetRelationship(osRelationshipName) != nullptr)
10208 : {
10209 1 : failureReason = "A relationship of identical name already exists";
10210 1 : return false;
10211 : }
10212 :
10213 23 : if (!ValidateRelationship(relationship.get(), failureReason))
10214 : {
10215 14 : return false;
10216 : }
10217 :
10218 9 : if (CreateExtensionsTableIfNecessary() != OGRERR_NONE)
10219 : {
10220 0 : return false;
10221 : }
10222 9 : if (!CreateRelationsTableIfNecessary())
10223 : {
10224 0 : failureReason = "Could not create gpkgext_relations table";
10225 0 : return false;
10226 : }
10227 9 : if (SQLGetInteger(GetDB(),
10228 : "SELECT 1 FROM gpkg_extensions WHERE "
10229 : "table_name = 'gpkgext_relations'",
10230 9 : nullptr) != 1)
10231 : {
10232 4 : if (OGRERR_NONE !=
10233 4 : SQLCommand(
10234 : GetDB(),
10235 : "INSERT INTO gpkg_extensions "
10236 : "(table_name,column_name,extension_name,definition,scope) "
10237 : "VALUES ('gpkgext_relations', NULL, 'gpkg_related_tables', "
10238 : "'http://www.geopackage.org/18-000.html', "
10239 : "'read-write')"))
10240 : {
10241 : failureReason =
10242 0 : "Could not create gpkg_extensions entry for gpkgext_relations";
10243 0 : return false;
10244 : }
10245 : }
10246 :
10247 9 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10248 9 : const std::string &osRightTableName = relationship->GetRightTableName();
10249 9 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10250 9 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10251 :
10252 18 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10253 9 : if (osRelatedTableType.empty())
10254 : {
10255 5 : osRelatedTableType = "features";
10256 : }
10257 :
10258 : // generate mapping table if not set
10259 18 : CPLString osMappingTableName = relationship->GetMappingTableName();
10260 9 : if (osMappingTableName.empty())
10261 : {
10262 3 : int nIndex = 1;
10263 3 : osMappingTableName = osLeftTableName + "_" + osRightTableName;
10264 3 : while (FindLayerIndex(osMappingTableName.c_str()) >= 0)
10265 : {
10266 0 : nIndex += 1;
10267 : osMappingTableName.Printf("%s_%s_%d", osLeftTableName.c_str(),
10268 0 : osRightTableName.c_str(), nIndex);
10269 : }
10270 :
10271 : // determine whether base/related keys are unique
10272 3 : bool bBaseKeyIsUnique = false;
10273 : {
10274 : const std::set<std::string> uniqueBaseFieldsUC =
10275 : SQLGetUniqueFieldUCConstraints(GetDB(),
10276 6 : osLeftTableName.c_str());
10277 6 : if (uniqueBaseFieldsUC.find(
10278 3 : CPLString(aosLeftTableFields[0]).toupper()) !=
10279 6 : uniqueBaseFieldsUC.end())
10280 : {
10281 2 : bBaseKeyIsUnique = true;
10282 : }
10283 : }
10284 3 : bool bRelatedKeyIsUnique = false;
10285 : {
10286 : const std::set<std::string> uniqueRelatedFieldsUC =
10287 : SQLGetUniqueFieldUCConstraints(GetDB(),
10288 6 : osRightTableName.c_str());
10289 6 : if (uniqueRelatedFieldsUC.find(
10290 3 : CPLString(aosRightTableFields[0]).toupper()) !=
10291 6 : uniqueRelatedFieldsUC.end())
10292 : {
10293 2 : bRelatedKeyIsUnique = true;
10294 : }
10295 : }
10296 :
10297 : // create mapping table
10298 :
10299 3 : std::string osBaseIdDefinition = "base_id INTEGER";
10300 3 : if (bBaseKeyIsUnique)
10301 : {
10302 2 : char *pszSQL = sqlite3_mprintf(
10303 : " CONSTRAINT 'fk_base_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10304 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10305 : "DEFERRED",
10306 : osMappingTableName.c_str(), osLeftTableName.c_str(),
10307 2 : aosLeftTableFields[0].c_str());
10308 2 : osBaseIdDefinition += pszSQL;
10309 2 : sqlite3_free(pszSQL);
10310 : }
10311 :
10312 3 : std::string osRelatedIdDefinition = "related_id INTEGER";
10313 3 : if (bRelatedKeyIsUnique)
10314 : {
10315 2 : char *pszSQL = sqlite3_mprintf(
10316 : " CONSTRAINT 'fk_related_id_%q' REFERENCES \"%w\"(\"%w\") ON "
10317 : "DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY "
10318 : "DEFERRED",
10319 : osMappingTableName.c_str(), osRightTableName.c_str(),
10320 2 : aosRightTableFields[0].c_str());
10321 2 : osRelatedIdDefinition += pszSQL;
10322 2 : sqlite3_free(pszSQL);
10323 : }
10324 :
10325 3 : char *pszSQL = sqlite3_mprintf("CREATE TABLE \"%w\" ("
10326 : "id INTEGER PRIMARY KEY AUTOINCREMENT, "
10327 : "%s, %s);",
10328 : osMappingTableName.c_str(),
10329 : osBaseIdDefinition.c_str(),
10330 : osRelatedIdDefinition.c_str());
10331 3 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10332 3 : sqlite3_free(pszSQL);
10333 3 : if (eErr != OGRERR_NONE)
10334 : {
10335 : failureReason =
10336 0 : ("Could not create mapping table " + osMappingTableName)
10337 0 : .c_str();
10338 0 : return false;
10339 : }
10340 :
10341 : /*
10342 : * Strictly speaking we should NOT be inserting the mapping table into gpkg_contents.
10343 : * The related tables extension explicitly states that the mapping table should only be
10344 : * in the gpkgext_relations table and not in gpkg_contents. (See also discussion at
10345 : * https://github.com/opengeospatial/geopackage/issues/679).
10346 : *
10347 : * However, if we don't insert the mapping table into gpkg_contents then it is no longer
10348 : * visible to some clients (eg ESRI software only allows opening tables that are present
10349 : * in gpkg_contents). So we'll do this anyway, for maximum compatibility and flexibility.
10350 : *
10351 : * More related discussion is at https://github.com/OSGeo/gdal/pull/9258
10352 : */
10353 3 : pszSQL = sqlite3_mprintf(
10354 : "INSERT INTO gpkg_contents "
10355 : "(table_name,data_type,identifier,description,last_change,srs_id) "
10356 : "VALUES "
10357 : "('%q','attributes','%q','Mapping table for relationship between "
10358 : "%q and %q',%s,0)",
10359 : osMappingTableName.c_str(), /*table_name*/
10360 : osMappingTableName.c_str(), /*identifier*/
10361 : osLeftTableName.c_str(), /*description left table name*/
10362 : osRightTableName.c_str(), /*description right table name*/
10363 6 : GDALGeoPackageDataset::GetCurrentDateEscapedSQL().c_str());
10364 :
10365 : // Note -- we explicitly ignore failures here, because hey, we aren't really
10366 : // supposed to be adding this table to gpkg_contents anyway!
10367 3 : (void)SQLCommand(hDB, pszSQL);
10368 3 : sqlite3_free(pszSQL);
10369 :
10370 3 : pszSQL = sqlite3_mprintf(
10371 : "CREATE INDEX \"idx_%w_base_id\" ON \"%w\" (base_id);",
10372 : osMappingTableName.c_str(), osMappingTableName.c_str());
10373 3 : eErr = SQLCommand(hDB, pszSQL);
10374 3 : sqlite3_free(pszSQL);
10375 3 : if (eErr != OGRERR_NONE)
10376 : {
10377 0 : failureReason = ("Could not create index for " +
10378 0 : osMappingTableName + " (base_id)")
10379 0 : .c_str();
10380 0 : return false;
10381 : }
10382 :
10383 3 : pszSQL = sqlite3_mprintf(
10384 : "CREATE INDEX \"idx_%qw_related_id\" ON \"%w\" (related_id);",
10385 : osMappingTableName.c_str(), osMappingTableName.c_str());
10386 3 : eErr = SQLCommand(hDB, pszSQL);
10387 3 : sqlite3_free(pszSQL);
10388 3 : if (eErr != OGRERR_NONE)
10389 : {
10390 0 : failureReason = ("Could not create index for " +
10391 0 : osMappingTableName + " (related_id)")
10392 0 : .c_str();
10393 0 : return false;
10394 : }
10395 : }
10396 : else
10397 : {
10398 : // validate mapping table structure
10399 6 : if (OGRGeoPackageTableLayer *poLayer =
10400 6 : cpl::down_cast<OGRGeoPackageTableLayer *>(
10401 6 : GetLayerByName(osMappingTableName)))
10402 : {
10403 4 : if (poLayer->GetLayerDefn()->GetFieldIndex("base_id") < 0)
10404 : {
10405 : failureReason =
10406 2 : ("Field base_id must exist in " + osMappingTableName)
10407 1 : .c_str();
10408 1 : return false;
10409 : }
10410 3 : if (poLayer->GetLayerDefn()->GetFieldIndex("related_id") < 0)
10411 : {
10412 : failureReason =
10413 2 : ("Field related_id must exist in " + osMappingTableName)
10414 1 : .c_str();
10415 1 : return false;
10416 : }
10417 : }
10418 : else
10419 : {
10420 : failureReason =
10421 2 : ("Could not retrieve table " + osMappingTableName).c_str();
10422 2 : return false;
10423 : }
10424 : }
10425 :
10426 5 : char *pszSQL = sqlite3_mprintf(
10427 : "INSERT INTO gpkg_extensions "
10428 : "(table_name,column_name,extension_name,definition,scope) "
10429 : "VALUES ('%q', NULL, 'gpkg_related_tables', "
10430 : "'http://www.geopackage.org/18-000.html', "
10431 : "'read-write')",
10432 : osMappingTableName.c_str());
10433 5 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10434 5 : sqlite3_free(pszSQL);
10435 5 : if (eErr != OGRERR_NONE)
10436 : {
10437 0 : failureReason = ("Could not insert mapping table " +
10438 0 : osMappingTableName + " into gpkg_extensions")
10439 0 : .c_str();
10440 0 : return false;
10441 : }
10442 :
10443 15 : pszSQL = sqlite3_mprintf(
10444 : "INSERT INTO gpkgext_relations "
10445 : "(base_table_name,base_primary_column,related_table_name,related_"
10446 : "primary_column,relation_name,mapping_table_name) "
10447 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10448 5 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10449 5 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10450 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10451 5 : eErr = SQLCommand(hDB, pszSQL);
10452 5 : sqlite3_free(pszSQL);
10453 5 : if (eErr != OGRERR_NONE)
10454 : {
10455 0 : failureReason = "Could not insert relationship into gpkgext_relations";
10456 0 : return false;
10457 : }
10458 :
10459 5 : ClearCachedRelationships();
10460 5 : LoadRelationships();
10461 5 : return true;
10462 : }
10463 :
10464 : /************************************************************************/
10465 : /* DeleteRelationship() */
10466 : /************************************************************************/
10467 :
10468 4 : bool GDALGeoPackageDataset::DeleteRelationship(const std::string &name,
10469 : std::string &failureReason)
10470 : {
10471 4 : if (eAccess != GA_Update)
10472 : {
10473 0 : CPLError(CE_Failure, CPLE_NotSupported,
10474 : "DeleteRelationship() not supported on read-only dataset");
10475 0 : return false;
10476 : }
10477 :
10478 : // ensure relationships are up to date before we try to remove one
10479 4 : ClearCachedRelationships();
10480 4 : LoadRelationships();
10481 :
10482 8 : std::string osMappingTableName;
10483 : {
10484 4 : const GDALRelationship *poRelationship = GetRelationship(name);
10485 4 : if (poRelationship == nullptr)
10486 : {
10487 1 : failureReason = "Could not find relationship with name " + name;
10488 1 : return false;
10489 : }
10490 :
10491 3 : osMappingTableName = poRelationship->GetMappingTableName();
10492 : }
10493 :
10494 : // DeleteLayerCommon will delete existing relationship objects, so we can't
10495 : // refer to poRelationship or any of its members previously obtained here
10496 3 : if (DeleteLayerCommon(osMappingTableName.c_str()) != OGRERR_NONE)
10497 : {
10498 : failureReason =
10499 0 : "Could not remove mapping layer name " + osMappingTableName;
10500 :
10501 : // relationships may have been left in an inconsistent state -- reload
10502 : // them now
10503 0 : ClearCachedRelationships();
10504 0 : LoadRelationships();
10505 0 : return false;
10506 : }
10507 :
10508 3 : ClearCachedRelationships();
10509 3 : LoadRelationships();
10510 3 : return true;
10511 : }
10512 :
10513 : /************************************************************************/
10514 : /* UpdateRelationship() */
10515 : /************************************************************************/
10516 :
10517 6 : bool GDALGeoPackageDataset::UpdateRelationship(
10518 : std::unique_ptr<GDALRelationship> &&relationship,
10519 : std::string &failureReason)
10520 : {
10521 6 : if (eAccess != GA_Update)
10522 : {
10523 0 : CPLError(CE_Failure, CPLE_NotSupported,
10524 : "UpdateRelationship() not supported on read-only dataset");
10525 0 : return false;
10526 : }
10527 :
10528 : // ensure relationships are up to date before we try to update one
10529 6 : ClearCachedRelationships();
10530 6 : LoadRelationships();
10531 :
10532 6 : const std::string &osRelationshipName = relationship->GetName();
10533 6 : const std::string &osLeftTableName = relationship->GetLeftTableName();
10534 6 : const std::string &osRightTableName = relationship->GetRightTableName();
10535 6 : const std::string &osMappingTableName = relationship->GetMappingTableName();
10536 6 : const auto &aosLeftTableFields = relationship->GetLeftTableFields();
10537 6 : const auto &aosRightTableFields = relationship->GetRightTableFields();
10538 :
10539 : // sanity checks
10540 : {
10541 : const GDALRelationship *poExistingRelationship =
10542 6 : GetRelationship(osRelationshipName);
10543 6 : if (poExistingRelationship == nullptr)
10544 : {
10545 : failureReason =
10546 1 : "The relationship should already exist to be updated";
10547 1 : return false;
10548 : }
10549 :
10550 5 : if (!ValidateRelationship(relationship.get(), failureReason))
10551 : {
10552 2 : return false;
10553 : }
10554 :
10555 : // we don't permit changes to the participating tables
10556 3 : if (osLeftTableName != poExistingRelationship->GetLeftTableName())
10557 : {
10558 0 : failureReason = ("Cannot change base table from " +
10559 0 : poExistingRelationship->GetLeftTableName() +
10560 0 : " to " + osLeftTableName)
10561 0 : .c_str();
10562 0 : return false;
10563 : }
10564 3 : if (osRightTableName != poExistingRelationship->GetRightTableName())
10565 : {
10566 0 : failureReason = ("Cannot change related table from " +
10567 0 : poExistingRelationship->GetRightTableName() +
10568 0 : " to " + osRightTableName)
10569 0 : .c_str();
10570 0 : return false;
10571 : }
10572 3 : if (osMappingTableName != poExistingRelationship->GetMappingTableName())
10573 : {
10574 0 : failureReason = ("Cannot change mapping table from " +
10575 0 : poExistingRelationship->GetMappingTableName() +
10576 0 : " to " + osMappingTableName)
10577 0 : .c_str();
10578 0 : return false;
10579 : }
10580 : }
10581 :
10582 6 : std::string osRelatedTableType = relationship->GetRelatedTableType();
10583 3 : if (osRelatedTableType.empty())
10584 : {
10585 0 : osRelatedTableType = "features";
10586 : }
10587 :
10588 3 : char *pszSQL = sqlite3_mprintf(
10589 : "DELETE FROM gpkgext_relations WHERE mapping_table_name='%q'",
10590 : osMappingTableName.c_str());
10591 3 : OGRErr eErr = SQLCommand(hDB, pszSQL);
10592 3 : sqlite3_free(pszSQL);
10593 3 : if (eErr != OGRERR_NONE)
10594 : {
10595 : failureReason =
10596 0 : "Could not delete old relationship from gpkgext_relations";
10597 0 : return false;
10598 : }
10599 :
10600 9 : pszSQL = sqlite3_mprintf(
10601 : "INSERT INTO gpkgext_relations "
10602 : "(base_table_name,base_primary_column,related_table_name,related_"
10603 : "primary_column,relation_name,mapping_table_name) "
10604 : "VALUES ('%q', '%q', '%q', '%q', '%q', '%q')",
10605 3 : osLeftTableName.c_str(), aosLeftTableFields[0].c_str(),
10606 3 : osRightTableName.c_str(), aosRightTableFields[0].c_str(),
10607 : osRelatedTableType.c_str(), osMappingTableName.c_str());
10608 3 : eErr = SQLCommand(hDB, pszSQL);
10609 3 : sqlite3_free(pszSQL);
10610 3 : if (eErr != OGRERR_NONE)
10611 : {
10612 : failureReason =
10613 0 : "Could not insert updated relationship into gpkgext_relations";
10614 0 : return false;
10615 : }
10616 :
10617 3 : ClearCachedRelationships();
10618 3 : LoadRelationships();
10619 3 : return true;
10620 : }
10621 :
10622 : /************************************************************************/
10623 : /* GetSqliteMasterContent() */
10624 : /************************************************************************/
10625 :
10626 : const std::vector<SQLSqliteMasterContent> &
10627 2 : GDALGeoPackageDataset::GetSqliteMasterContent()
10628 : {
10629 2 : if (m_aoSqliteMasterContent.empty())
10630 : {
10631 : auto oResultTable =
10632 2 : SQLQuery(hDB, "SELECT sql, type, tbl_name FROM sqlite_master");
10633 1 : if (oResultTable)
10634 : {
10635 58 : for (int rowCnt = 0; rowCnt < oResultTable->RowCount(); ++rowCnt)
10636 : {
10637 114 : SQLSqliteMasterContent row;
10638 57 : const char *pszSQL = oResultTable->GetValue(0, rowCnt);
10639 57 : row.osSQL = pszSQL ? pszSQL : "";
10640 57 : const char *pszType = oResultTable->GetValue(1, rowCnt);
10641 57 : row.osType = pszType ? pszType : "";
10642 57 : const char *pszTableName = oResultTable->GetValue(2, rowCnt);
10643 57 : row.osTableName = pszTableName ? pszTableName : "";
10644 57 : m_aoSqliteMasterContent.emplace_back(std::move(row));
10645 : }
10646 : }
10647 : }
10648 2 : return m_aoSqliteMasterContent;
10649 : }
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