File: ogr_sqlite.h

package info (click to toggle)
gdal 1.10.1+dfsg-8
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 84,320 kB
  • ctags: 74,726
  • sloc: cpp: 677,199; ansic: 162,820; python: 13,816; cs: 11,163; sh: 10,446; java: 5,279; perl: 4,429; php: 2,971; xml: 1,500; yacc: 934; makefile: 494; sql: 112
file content (689 lines) | stat: -rw-r--r-- 26,736 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
/******************************************************************************
 * $Id: ogr_sqlite.h 25694 2013-03-01 17:26:40Z rouault $
 *
 * Project:  OpenGIS Simple Features Reference Implementation
 * Purpose:  Private definitions for OGR/SQLite driver.
 * Author:   Frank Warmerdam, warmerdam@pobox.com
 *
 ******************************************************************************
 * Copyright (c) 2004, Frank Warmerdam <warmerdam@pobox.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ****************************************************************************/

#ifndef _OGR_SQLITE_H_INCLUDED
#define _OGR_SQLITE_H_INCLUDED

#include "ogrsf_frmts.h"
#include "cpl_error.h"
#include <map>
#include <set>

#ifdef HAVE_SPATIALITE
  #ifdef SPATIALITE_AMALGAMATION
    /*
    / using an AMALGAMATED version of SpatiaLite
    / a private internal copy of SQLite is included:
    / so we are required including the SpatiaLite's 
    / own header 
    /
    / IMPORTANT NOTICE: using AMALAGATION is only
    / useful on Windows (to skip DLL hell related oddities)
    */
    #include <spatialite/sqlite3.h>
  #else
    /*
    / You MUST NOT use AMALGAMATION on Linux or any
    / other "sane" operating system !!!!
    */
    #include "sqlite3.h"
  #endif
#else
#include "sqlite3.h"
#endif

#if SQLITE_VERSION_NUMBER >= 3006000
#define HAVE_SQLITE_VFS
#define HAVE_SQLITE3_PREPARE_V2
#endif

#define UNINITIALIZED_SRID  -2

int OGRSQLiteIsSpatialiteLoaded();
int OGRSQLiteGetSpatialiteVersionNumber();

/************************************************************************/
/*      Format used to store geometry data in the database.             */
/************************************************************************/

enum OGRSQLiteGeomFormat
{
    OSGF_None = 0,
    OSGF_WKT = 1,
    OSGF_WKB = 2,
    OSGF_FGF = 3,
    OSGF_SpatiaLite = 4
};

/************************************************************************/
/*      SpatiaLite's own Geometry type IDs.                             */
/************************************************************************/

enum OGRSpatialiteGeomType
{
// 2D [XY]
    OGRSplitePointXY                     = 1,
    OGRSpliteLineStringXY                = 2,
    OGRSplitePolygonXY                   = 3,
    OGRSpliteMultiPointXY                = 4,
    OGRSpliteMultiLineStringXY           = 5,
    OGRSpliteMultiPolygonXY              = 6,
    OGRSpliteGeometryCollectionXY        = 7,
// 3D [XYZ]
    OGRSplitePointXYZ                    = 1001,
    OGRSpliteLineStringXYZ               = 1002,
    OGRSplitePolygonXYZ                  = 1003,
    OGRSpliteMultiPointXYZ               = 1004,
    OGRSpliteMultiLineStringXYZ          = 1005,
    OGRSpliteMultiPolygonXYZ             = 1006,
    OGRSpliteGeometryCollectionXYZ       = 1007,
// 2D with Measure [XYM] 
    OGRSplitePointXYM                    = 2001,
    OGRSpliteLineStringXYM               = 2002,
    OGRSplitePolygonXYM                  = 2003,
    OGRSpliteMultiPointXYM               = 2004,
    OGRSpliteMultiLineStringXYM          = 2005,
    OGRSpliteMultiPolygonXYM             = 2006,
    OGRSpliteGeometryCollectionXYM       = 2007,
// 3D with Measure [XYZM]
    OGRSplitePointXYZM                   = 3001,
    OGRSpliteLineStringXYZM              = 3002,
    OGRSplitePolygonXYZM                 = 3003,
    OGRSpliteMultiPointXYZM              = 3004,
    OGRSpliteMultiLineStringXYZM         = 3005,
    OGRSpliteMultiPolygonXYZM            = 3006,
    OGRSpliteGeometryCollectionXYZM      = 3007,
// COMPRESSED: 2D [XY]
    OGRSpliteComprLineStringXY           = 1000002,
    OGRSpliteComprPolygonXY              = 1000003,
    OGRSpliteComprMultiPointXY           = 1000004,
    OGRSpliteComprMultiLineStringXY      = 1000005,
    OGRSpliteComprMultiPolygonXY         = 1000006,
    OGRSpliteComprGeometryCollectionXY   = 1000007,
// COMPRESSED: 3D [XYZ]
    OGRSpliteComprLineStringXYZ          = 1001002,
    OGRSpliteComprPolygonXYZ             = 1001003,
    OGRSpliteComprMultiPointXYZ          = 1001004,
    OGRSpliteComprMultiLineStringXYZ     = 1001005,
    OGRSpliteComprMultiPolygonXYZ        = 1001006,
    OGRSpliteComprGeometryCollectionXYZ  = 1001007,
// COMPRESSED: 2D with Measure [XYM]
    OGRSpliteComprLineStringXYM          = 1002002,
    OGRSpliteComprPolygonXYM             = 1002003,
    OGRSpliteComprMultiPointXYM          = 1002004,
    OGRSpliteComprMultiLineStringXYM     = 1002005,
    OGRSpliteComprMultiPolygonXYM        = 1002006,
    OGRSpliteComprGeometryCollectionXYM  = 1002007,
// COMPRESSED: 3D with Measure [XYZM]
    OGRSpliteComprLineStringXYZM         = 1003002,
    OGRSpliteComprPolygonXYZM            = 1003003,
    OGRSpliteComprMultiPointXYZM         = 1003004,
    OGRSpliteComprMultiLineStringXYZM    = 1003005,
    OGRSpliteComprMultiPolygonXYZM       = 1003006,
    OGRSpliteComprGeometryCollectionXYZM = 1003007
};

/************************************************************************/
/*                            OGRSQLiteLayer                            */
/************************************************************************/

class OGRSQLiteDataSource;
    
class OGRSQLiteLayer : public OGRLayer
{
  private:
    static OGRErr       createFromSpatialiteInternal(const GByte *pabyData,
                                                     OGRGeometry **ppoReturn,
                                                     int nBytes,
                                                     OGRwkbByteOrder eByteOrder,
                                                     int* pnBytesConsumed,
                                                     int nRecLevel);

    static int          CanBeCompressedSpatialiteGeometry(const OGRGeometry *poGeometry);

    static int          ComputeSpatiaLiteGeometrySize(const OGRGeometry *poGeometry,
                                                      int bHasM, int bSpatialite2D,
                                                      int bUseComprGeom );

    static int          GetSpatialiteGeometryCode(const OGRGeometry *poGeometry,
                                                  int bHasM, int bSpatialite2D,
                                                  int bUseComprGeom,
                                                  int bAcceptMultiGeom);

    static int          ExportSpatiaLiteGeometryInternal(const OGRGeometry *poGeometry,
                                                        OGRwkbByteOrder eByteOrder,
                                                        int bHasM, int bSpatialite2D,
                                                        int bUseComprGeom,
                                                        GByte* pabyData );

  protected:
    OGRFeatureDefn     *poFeatureDefn;

    // Layer spatial reference system, and srid.
    OGRSpatialReference *poSRS;
    int                 nSRSId;

    int                 iNextShapeId;

    sqlite3_stmt        *hStmt;
    int                  bDoStep;

    OGRSQLiteDataSource *poDS;

    int                 bTriedAsSpatiaLite;
    CPLString           osGeomColumn;
    OGRSQLiteGeomFormat eGeomFormat;

    char                *pszFIDColumn;

    int                *panFieldOrdinals;
    int                 iFIDCol;
    int                 iGeomCol;

    int                 bHasSpatialIndex;
    int                 bHasM;

    int                 bIsVirtualShape;

    void                BuildFeatureDefn( const char *pszLayerName,
                                          sqlite3_stmt *hStmt,
                                          const std::set<CPLString>& aosGeomCols);

    void                ClearStatement();
    virtual OGRErr      ResetStatement() = 0;

    int                 bUseComprGeom;

    char              **papszCompressedColumns;

  public:
                        OGRSQLiteLayer();
    virtual             ~OGRSQLiteLayer();

    virtual void        Finalize();

    virtual void        ResetReading();
    virtual OGRFeature *GetNextRawFeature();
    virtual OGRFeature *GetNextFeature();

    virtual OGRFeature *GetFeature( long nFeatureId );
    
    virtual OGRFeatureDefn *GetLayerDefn() { return poFeatureDefn; }

    virtual OGRSpatialReference *GetSpatialRef();

    virtual const char *GetFIDColumn();
    virtual const char *GetGeometryColumn();

    virtual int         TestCapability( const char * );

    virtual OGRErr       StartTransaction();
    virtual OGRErr       CommitTransaction();
    virtual OGRErr       RollbackTransaction();

    virtual void        InvalidateCachedFeatureCountAndExtent() { }

    virtual int          IsTableLayer() { return FALSE; }

    virtual int          HasSpatialIndex() { return bHasSpatialIndex; }

    virtual CPLString     GetSpatialWhere(OGRGeometry* poFilterGeom) { return ""; }

    static OGRErr       ImportSpatiaLiteGeometry( const GByte *, int,
                                                  OGRGeometry ** );
    static OGRErr       ImportSpatiaLiteGeometry( const GByte *, int,
                                                  OGRGeometry **, int *pnSRID );
    static OGRErr       ExportSpatiaLiteGeometry( const OGRGeometry *,
                                                  GInt32, OGRwkbByteOrder,
                                                  int, int, int bUseComprGeom, GByte **, int * );

};

/************************************************************************/
/*                         OGRSQLiteTableLayer                          */
/************************************************************************/

class OGRSQLiteTableLayer : public OGRSQLiteLayer
{
    int                 bLaunderColumnNames;
    int                 bSpatialite2D;

    CPLString           osWHERE;
    CPLString           osQuery;
    int                 bHasCheckedSpatialIndexTable;
    int                 bDeferedSpatialIndexCreation;

    OGRwkbGeometryType  eGeomType;

    char               *pszTableName;
    char               *pszEscapedTableName;
    CPLString           osLayerName;

    int                 bLayerDefnError;

    sqlite3_stmt       *hInsertStmt;
    CPLString           osLastInsertStmt;

    void                ClearInsertStmt();

    void                BuildWhere(void);

    virtual OGRErr      ResetStatement();

    OGRErr              AddColumnAncientMethod( OGRFieldDefn& oField);

    void                InitFieldListForRecrerate(char* & pszNewFieldList,
                                                  char* & pszFieldListForSelect,
                                                  int nExtraSpace = 0);
    OGRErr              RecreateTable(const char* pszFieldListForSelect,
                                      const char* pszNewFieldList,
                                      const char* pszGenericErrorMessage);
    OGRErr              BindValues( OGRFeature *poFeature,
                                        sqlite3_stmt* hStmt,
                                        int bBindNullValues );

    int                 CheckSpatialIndexTable();

    CPLErr              EstablishFeatureDefn();

    int                 bStatisticsNeedsToBeFlushed;
    OGREnvelope         oCachedExtent;
    int                 bCachedExtentIsValid;
    GIntBig             nFeatureCount; /* if -1, means not up-to-date */

    void                LoadStatistics();
    void                LoadStatisticsSpatialite4DB();

    CPLString           FieldDefnToSQliteFieldDefn( OGRFieldDefn* poFieldDefn );

  public:
                        OGRSQLiteTableLayer( OGRSQLiteDataSource * );
                        ~OGRSQLiteTableLayer();

    CPLErr              Initialize( const char *pszTableName, 
                                    const char *pszGeomCol,
                                    int bMustIncludeGeomColName,
                                    OGRwkbGeometryType eGeomType,
                                    const char *pszGeomFormat,
                                    OGRSpatialReference *poSRS,
                                    int nSRSId = UNINITIALIZED_SRID,
                                    int bHasSpatialIndex = FALSE,
                                    int bHasM = FALSE,
                                    int bIsVirtualShapeIn = FALSE);

    virtual const char* GetName();
    virtual OGRwkbGeometryType GetGeomType() { return (eGeomType != wkbUnknown) ? eGeomType : OGRLayer::GetGeomType(); }

    virtual int         GetFeatureCount( int );
    virtual OGRErr      GetExtent(OGREnvelope *psExtent, int bForce);

    virtual OGRFeatureDefn *GetLayerDefn();
    int                 HasLayerDefnError() { GetLayerDefn(); return bLayerDefnError; }

    virtual void        SetSpatialFilter( OGRGeometry * );
    virtual OGRErr      SetAttributeFilter( const char * );
    virtual OGRErr      SetFeature( OGRFeature *poFeature );
    virtual OGRErr      DeleteFeature( long nFID );
    virtual OGRErr      CreateFeature( OGRFeature *poFeature );

    virtual OGRErr      CreateField( OGRFieldDefn *poField,
                                     int bApproxOK = TRUE );
    virtual OGRErr      DeleteField( int iField );
    virtual OGRErr      ReorderFields( int* panMap );
    virtual OGRErr      AlterFieldDefn( int iField, OGRFieldDefn* poNewFieldDefn, int nFlags );

    virtual OGRFeature *GetNextFeature();
    virtual OGRFeature *GetFeature( long nFeatureId );

    virtual int         TestCapability( const char * );

    // follow methods are not base class overrides
    void                SetLaunderFlag( int bFlag ) 
                                { bLaunderColumnNames = bFlag; }
    void                SetUseCompressGeom( int bFlag )
                                { bUseComprGeom = bFlag; }
    void                SetDeferedSpatialIndexCreation( int bFlag )
                                { bDeferedSpatialIndexCreation = bFlag; }
    void                SetCompressedColumns( const char* pszCompressedColumns );

    int                 CreateSpatialIndex();

    void                CreateSpatialIndexIfNecessary();

    void                InitFeatureCount();
    int                 DoStatisticsNeedToBeFlushed();
    void                ForceStatisticsToBeFlushed();
    int                 AreStatisticsValid();
    int                 SaveStatistics();

    virtual void        InvalidateCachedFeatureCountAndExtent();

    virtual int          IsTableLayer() { return TRUE; }

    virtual int          HasSpatialIndex();

    virtual CPLString    GetSpatialWhere(OGRGeometry* poFilterGeom);
};

/************************************************************************/
/*                         OGRSQLiteViewLayer                           */
/************************************************************************/

class OGRSQLiteViewLayer : public OGRSQLiteLayer
{
    CPLString           osWHERE;
    CPLString           osQuery;
    int                 bHasCheckedSpatialIndexTable;

    char               *pszViewName;
    char               *pszEscapedTableName;
    char               *pszEscapedUnderlyingTableName;

    int                 bLayerDefnError;

    CPLString           osUnderlyingTableName;
    CPLString           osUnderlyingGeometryColumn;

    OGRSQLiteLayer     *poUnderlyingLayer;
    OGRSQLiteLayer     *GetUnderlyingLayer();

    void                BuildWhere(void);

    virtual OGRErr      ResetStatement();

    CPLErr              EstablishFeatureDefn();

  public:
                        OGRSQLiteViewLayer( OGRSQLiteDataSource * );
                        ~OGRSQLiteViewLayer();

    virtual const char* GetName() { return pszViewName; }
    virtual OGRwkbGeometryType GetGeomType();

    CPLErr              Initialize( const char *pszViewName,
                                    const char *pszViewGeometry,
                                    const char *pszViewRowid,
                                    const char *pszTableName,
                                    const char *pszGeometryColumn);

    virtual OGRFeatureDefn *GetLayerDefn();
    int                 HasLayerDefnError() { GetLayerDefn(); return bLayerDefnError; }

    virtual OGRFeature *GetNextFeature();
    virtual int         GetFeatureCount( int );

    virtual void        SetSpatialFilter( OGRGeometry * );
    virtual OGRErr      SetAttributeFilter( const char * );

    virtual OGRFeature *GetFeature( long nFeatureId );

    virtual int         TestCapability( const char * );

    virtual OGRSpatialReference *GetSpatialRef();

    virtual CPLString    GetSpatialWhere(OGRGeometry* poFilterGeom);
};

/************************************************************************/
/*                         OGRSQLiteSelectLayer                         */
/************************************************************************/

class OGRSQLiteSelectLayer : public OGRSQLiteLayer
{
    CPLString           osSQLBase;
    CPLString           osSQLCurrent;

    int                 bEmptyLayer;
    int                 bSpatialFilterInSQL;

    virtual OGRErr      ResetStatement();

    OGRSQLiteLayer     *GetBaseLayer(size_t& i);
    int                 RebuildSQLWithSpatialClause();

    int                 bAllowResetReadingEvenIfIndexAtZero;
 
  public:
                        OGRSQLiteSelectLayer( OGRSQLiteDataSource *, 
                                              CPLString osSQL,
                                              sqlite3_stmt *,
                                              int bUseStatementForGetNextFeature,
                                              int bEmptyLayer );

    virtual void        ResetReading();

    virtual OGRFeature *GetNextFeature();
    virtual int         GetFeatureCount( int );

    virtual void        SetSpatialFilter( OGRGeometry * );

    virtual int         TestCapability( const char * );

    virtual OGRErr      GetExtent(OGREnvelope *psExtent, int bForce);
};

/************************************************************************/
/*                   OGRSQLiteSingleFeatureLayer                        */
/************************************************************************/

class OGRSQLiteSingleFeatureLayer : public OGRLayer
{
  private:
    int                 nVal;
    char               *pszVal;
    OGRFeatureDefn     *poFeatureDefn;
    int                 iNextShapeId;

  public:
                        OGRSQLiteSingleFeatureLayer( const char* pszLayerName,
                                                     int nVal );
                        OGRSQLiteSingleFeatureLayer( const char* pszLayerName,
                                                     const char *pszVal );
                        ~OGRSQLiteSingleFeatureLayer();

    virtual void        ResetReading();
    virtual OGRFeature *GetNextFeature();
    virtual OGRFeatureDefn *GetLayerDefn();
    virtual int         TestCapability( const char * );
};

/************************************************************************/
/*                         OGRSQLiteDataSource                          */
/************************************************************************/

class OGRSQLiteDataSource : public OGRDataSource
{
    OGRSQLiteLayer    **papoLayers;
    int                 nLayers;
    
    char               *pszName;

    sqlite3             *hDB;
    int                 bUpdate;

    int                 nSoftTransactionLevel;

    // We maintain a list of known SRID to reduce the number of trips to
    // the database to get SRSes. 
    int                 nKnownSRID;
    int                *panSRID;
    OGRSpatialReference **papoSRS;
    void                AddSRIDToCache(int nId, OGRSpatialReference * poSRS );

    int                 bHaveGeometryColumns;
    int                 bIsSpatiaLiteDB;
    int                 bSpatialite4Layout;

    int                 nUndefinedSRID;

    virtual void        DeleteLayer( const char *pszLayer );

    const char*         GetSRTEXTColName();

    int                 OpenOrCreateDB(int flags);
    int                 InitWithEPSG();
    int                 SetSynchronous();
    int                 SetCacheSize();

    int                 OpenVirtualTable(const char* pszName, const char* pszSQL);

#ifdef HAVE_SQLITE_VFS
    sqlite3_vfs*        pMyVFS;
#endif

    VSILFILE*           fpMainFile; /* Set by the VFS layer when it opens the DB */
                                    /* Must *NOT* be closed by the datasource explicitly. */
    GIntBig             nFileTimestamp;
    int                 bLastSQLCommandIsUpdateLayerStatistics;

    std::map<CPLString, OGREnvelope> oMapSQLEnvelope;

    std::map< CPLString, std::set<CPLString> > aoMapTableToSetOfGeomCols;

    void                SaveStatistics();

  public:
                        OGRSQLiteDataSource();
                        ~OGRSQLiteDataSource();

    int                 Open( const char *, int bUpdateIn );
    int                 Create( const char *, char **papszOptions );

    int                 OpenTable( const char *pszTableName, 
                                   const char *pszGeomCol = NULL,
                                   int bMustIncludeGeomColName = FALSE,
                                   OGRwkbGeometryType eGeomType = wkbUnknown,
                                   const char *pszGeomFormat = NULL,
                                   OGRSpatialReference *poSRS = NULL,
                                   int nSRID = UNINITIALIZED_SRID,
                                   int bHasSpatialIndex = FALSE,
                                   int bHasM = FALSE,
                                   int bIsVirtualShapeIn = FALSE );
    int                  OpenView( const char *pszViewName,
                                   const char *pszViewGeometry,
                                   const char *pszViewRowid,
                                   const char *pszTableName,
                                   const char *pszGeometryColumn);

    virtual const char *GetName() { return pszName; }
    virtual int         GetLayerCount() { return nLayers; }
    virtual OGRLayer   *GetLayer( int );
    virtual OGRLayer   *GetLayerByName( const char* );

    virtual OGRLayer    *CreateLayer( const char *pszLayerName, 
                                      OGRSpatialReference *poSRS, 
                                      OGRwkbGeometryType eType, 
                                      char **papszOptions );
    virtual OGRErr      DeleteLayer(int);

    virtual int         TestCapability( const char * );

    virtual OGRLayer *  ExecuteSQL( const char *pszSQLCommand,
                                    OGRGeometry *poSpatialFilter,
                                    const char *pszDialect );
    virtual void        ReleaseResultSet( OGRLayer * poLayer );

    OGRErr              SoftStartTransaction();
    OGRErr              SoftCommit();
    OGRErr              SoftRollback();
    
    OGRErr              FlushSoftTransaction();

    sqlite3            *GetDB() { return hDB; }

    char               *LaunderName( const char * );
    int                 FetchSRSId( OGRSpatialReference * poSRS );
    OGRSpatialReference*FetchSRS( int nSRID );

    int                 GetUpdate() const { return bUpdate; }
    void                SetUpdate(int bUpdateIn) { bUpdate = bUpdateIn; }

    void                SetName(const char* pszNameIn);

    void                NotifyFileOpened (const char* pszFilename,
                                          VSILFILE* fp);

    const OGREnvelope*  GetEnvelopeFromSQL(const CPLString& osSQL);
    void                SetEnvelopeForSQL(const CPLString& osSQL, const OGREnvelope& oEnvelope);

    const std::set<CPLString>& GetGeomColsForTable(const char* pszTableName)
            { return aoMapTableToSetOfGeomCols[pszTableName]; }

    GIntBig             GetFileTimestamp() const { return nFileTimestamp; }
    
    int                 IsSpatialiteDB() const { return bIsSpatiaLiteDB; }
    int                 HasSpatialite4Layout() const { return bSpatialite4Layout; }

    int                 GetUndefinedSRID() const { return nUndefinedSRID; }

    void                ReloadLayers();
};

/************************************************************************/
/*                           OGRSQLiteDriver                            */
/************************************************************************/

class OGRSQLiteDriver : public OGRSFDriver
{
  public:
                ~OGRSQLiteDriver();
                
    const char *GetName();
    OGRDataSource *Open( const char *, int );

    virtual OGRDataSource *CreateDataSource( const char *pszName,
                                             char ** = NULL );
    virtual OGRErr      DeleteDataSource( const char *pszName );
    
    int                 TestCapability( const char * );
};

/* To escape literals. The returned string doesn't contain the surrounding single quotes */
CPLString OGRSQLiteEscape( const char *pszLiteral );

/* To escape table or field names. The returned string doesn't contain the surrounding double quotes */
CPLString OGRSQLiteEscapeName( const char* pszName );

CPLString OGRSQLiteParamsUnquote(const char* pszVal);

CPLString OGRSQLiteFieldDefnToSQliteFieldDefn( OGRFieldDefn* poFieldDefn );

int OGRSQLITEStringToDateTimeField( OGRFeature* poFeature, int iField,
                                    const char* pszValue );

#ifdef HAVE_SQLITE_VFS
typedef void (*pfnNotifyFileOpenedType)(void* pfnUserData, const char* pszFilename, VSILFILE* fp);
sqlite3_vfs* OGRSQLiteCreateVFS(pfnNotifyFileOpenedType pfn, void* pfnUserData);
#endif

void OGRSQLiteRegisterInflateDeflate(sqlite3* hDB);

#endif /* ndef _OGR_SQLITE_H_INCLUDED */