SQLite

Check-in [5a877221]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Simplify the code by removing the unsupported and undocumented SQLITE_HAS_CODEC compile-time option
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 5a877221ce90e7523059353a68650c5fdd28ed032807afc2f10afbfbf864bdfe
User & Date: drh 2020-02-07 01:12:53
Context
2020-02-07
19:44
During byte-code generation, strive to avoid jumps that merely jump to the following instruction. (check-in: bcf876e6 user: drh tags: trunk)
01:12
Simplify the code by removing the unsupported and undocumented SQLITE_HAS_CODEC compile-time option (check-in: 5a877221 user: drh tags: trunk)
2020-02-06
20:46
There is no need to keep track of the number of changed rows or of the last-insert-rowid while running VACUUM. (check-in: a8a7c05b user: drh tags: trunk)
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/attach.c.

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
#endif
    sqlite3BtreeLeave(pNew->pBt);
  }
  pNew->safety_level = SQLITE_DEFAULT_SYNCHRONOUS+1;
  if( rc==SQLITE_OK && pNew->zDbSName==0 ){
    rc = SQLITE_NOMEM_BKPT;
  }


#ifdef SQLITE_HAS_CODEC
  if( rc==SQLITE_OK ){
    extern int sqlite3CodecAttach(sqlite3*, int, const void*, int);
    extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*);
    int nKey;
    char *zKey;
    int t = sqlite3_value_type(argv[2]);
    switch( t ){
      case SQLITE_INTEGER:
      case SQLITE_FLOAT:
        zErrDyn = sqlite3DbStrDup(db, "Invalid key value");
        rc = SQLITE_ERROR;
        break;
        
      case SQLITE_TEXT:
      case SQLITE_BLOB:
        nKey = sqlite3_value_bytes(argv[2]);
        zKey = (char *)sqlite3_value_blob(argv[2]);
        rc = sqlite3CodecAttach(db, db->nDb-1, zKey, nKey);
        break;

      case SQLITE_NULL:
        /* No key specified.  Use the key from URI filename, or if none,
        ** use the key from the main database. */
        if( sqlite3CodecQueryParameters(db, zName, zPath)==0 ){
          sqlite3CodecGetKey(db, 0, (void**)&zKey, &nKey);
          if( nKey || sqlite3BtreeGetOptimalReserve(db->aDb[0].pBt)>0 ){
            rc = sqlite3CodecAttach(db, db->nDb-1, zKey, nKey);
          }
        }
        break;
    }
  }
#endif
  sqlite3_free( zPath );

  /* If the file was opened successfully, read the schema for the new database.
  ** If this fails, or if opening the file failed, then close the file and 
  ** remove the entry from the db->aDb[] array. i.e. put everything back the
  ** way we found it.
  */







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







183
184
185
186
187
188
189




































190
191
192
193
194
195
196
#endif
    sqlite3BtreeLeave(pNew->pBt);
  }
  pNew->safety_level = SQLITE_DEFAULT_SYNCHRONOUS+1;
  if( rc==SQLITE_OK && pNew->zDbSName==0 ){
    rc = SQLITE_NOMEM_BKPT;
  }




































  sqlite3_free( zPath );

  /* If the file was opened successfully, read the schema for the new database.
  ** If this fails, or if opening the file failed, then close the file and 
  ** remove the entry from the db->aDb[] array. i.e. put everything back the
  ** way we found it.
  */

Changes to src/backup.c.

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
  int bUpdate                     /* True for an update, false otherwise */
){
  Pager * const pDestPager = sqlite3BtreePager(p->pDest);
  const int nSrcPgsz = sqlite3BtreeGetPageSize(p->pSrc);
  int nDestPgsz = sqlite3BtreeGetPageSize(p->pDest);
  const int nCopy = MIN(nSrcPgsz, nDestPgsz);
  const i64 iEnd = (i64)iSrcPg*(i64)nSrcPgsz;
#ifdef SQLITE_HAS_CODEC
  /* Use BtreeGetReserveNoMutex() for the source b-tree, as although it is
  ** guaranteed that the shared-mutex is held by this thread, handle
  ** p->pSrc may not actually be the owner.  */
  int nSrcReserve = sqlite3BtreeGetReserveNoMutex(p->pSrc);
  int nDestReserve = sqlite3BtreeGetOptimalReserve(p->pDest);
#endif
  int rc = SQLITE_OK;
  i64 iOff;

  assert( sqlite3BtreeGetReserveNoMutex(p->pSrc)>=0 );
  assert( p->bDestLocked );
  assert( !isFatalError(p->rc) );
  assert( iSrcPg!=PENDING_BYTE_PAGE(p->pSrc->pBt) );
  assert( zSrcData );

  /* Catch the case where the destination is an in-memory database and the
  ** page sizes of the source and destination differ. 
  */
  if( nSrcPgsz!=nDestPgsz && sqlite3PagerIsMemdb(pDestPager) ){
    rc = SQLITE_READONLY;
  }

#ifdef SQLITE_HAS_CODEC
  /* Backup is not possible if the page size of the destination is changing
  ** and a codec is in use.
  */
  if( nSrcPgsz!=nDestPgsz && sqlite3PagerGetCodec(pDestPager)!=0 ){
    rc = SQLITE_READONLY;
  }

  /* Backup is not possible if the number of bytes of reserve space differ
  ** between source and destination.  If there is a difference, try to
  ** fix the destination to agree with the source.  If that is not possible,
  ** then the backup cannot proceed.
  */
  if( nSrcReserve!=nDestReserve ){
    u32 newPgsz = nSrcPgsz;
    rc = sqlite3PagerSetPagesize(pDestPager, &newPgsz, nSrcReserve);
    if( rc==SQLITE_OK && newPgsz!=(u32)nSrcPgsz ) rc = SQLITE_READONLY;
  }
#endif

  /* This loop runs once for each destination page spanned by the source 
  ** page. For each iteration, variable iOff is set to the byte offset
  ** of the destination page.
  */
  for(iOff=iEnd-(i64)nSrcPgsz; rc==SQLITE_OK && iOff<iEnd; iOff+=nDestPgsz){
    DbPage *pDestPg = 0;
    Pgno iDest = (Pgno)(iOff/nDestPgsz)+1;







<
<
<
<
<
<
<
















<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







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
  int bUpdate                     /* True for an update, false otherwise */
){
  Pager * const pDestPager = sqlite3BtreePager(p->pDest);
  const int nSrcPgsz = sqlite3BtreeGetPageSize(p->pSrc);
  int nDestPgsz = sqlite3BtreeGetPageSize(p->pDest);
  const int nCopy = MIN(nSrcPgsz, nDestPgsz);
  const i64 iEnd = (i64)iSrcPg*(i64)nSrcPgsz;







  int rc = SQLITE_OK;
  i64 iOff;

  assert( sqlite3BtreeGetReserveNoMutex(p->pSrc)>=0 );
  assert( p->bDestLocked );
  assert( !isFatalError(p->rc) );
  assert( iSrcPg!=PENDING_BYTE_PAGE(p->pSrc->pBt) );
  assert( zSrcData );

  /* Catch the case where the destination is an in-memory database and the
  ** page sizes of the source and destination differ. 
  */
  if( nSrcPgsz!=nDestPgsz && sqlite3PagerIsMemdb(pDestPager) ){
    rc = SQLITE_READONLY;
  }





















  /* This loop runs once for each destination page spanned by the source 
  ** page. For each iteration, variable iOff is set to the byte offset
  ** of the destination page.
  */
  for(iOff=iEnd-(i64)nSrcPgsz; rc==SQLITE_OK && iOff<iEnd; iOff+=nDestPgsz){
    DbPage *pDestPg = 0;
    Pgno iDest = (Pgno)(iOff/nDestPgsz)+1;
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
  */
  memset(&b, 0, sizeof(b));
  b.pSrcDb = pFrom->db;
  b.pSrc = pFrom;
  b.pDest = pTo;
  b.iNext = 1;

#ifdef SQLITE_HAS_CODEC
  sqlite3PagerAlignReserve(sqlite3BtreePager(pTo), sqlite3BtreePager(pFrom));
#endif

  /* 0x7FFFFFFF is the hard limit for the number of pages in a database
  ** file. By passing this as the number of pages to copy to
  ** sqlite3_backup_step(), we can guarantee that the copy finishes 
  ** within a single call (unless an error occurs). The assert() statement
  ** checks this assumption - (p->rc) should be set to either SQLITE_DONE 
  ** or an error code.  */
  sqlite3_backup_step(&b, 0x7FFFFFFF);







<
<
<
<







742
743
744
745
746
747
748




749
750
751
752
753
754
755
  */
  memset(&b, 0, sizeof(b));
  b.pSrcDb = pFrom->db;
  b.pSrc = pFrom;
  b.pDest = pTo;
  b.iNext = 1;





  /* 0x7FFFFFFF is the hard limit for the number of pages in a database
  ** file. By passing this as the number of pages to copy to
  ** sqlite3_backup_step(), we can guarantee that the copy finishes 
  ** within a single call (unless an error occurs). The assert() statement
  ** checks this assumption - (p->rc) should be set to either SQLITE_DONE 
  ** or an error code.  */
  sqlite3_backup_step(&b, 0x7FFFFFFF);

Changes to src/btree.c.

2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
** and autovacuum mode can no longer be changed.
*/
int sqlite3BtreeSetPageSize(Btree *p, int pageSize, int nReserve, int iFix){
  int rc = SQLITE_OK;
  BtShared *pBt = p->pBt;
  assert( nReserve>=-1 && nReserve<=255 );
  sqlite3BtreeEnter(p);
#if SQLITE_HAS_CODEC
  if( nReserve>pBt->optimalReserve ) pBt->optimalReserve = (u8)nReserve;
#endif
  if( pBt->btsFlags & BTS_PAGESIZE_FIXED ){
    sqlite3BtreeLeave(p);
    return SQLITE_READONLY;
  }
  if( nReserve<0 ){
    nReserve = pBt->pageSize - pBt->usableSize;
  }







<
<
<







2855
2856
2857
2858
2859
2860
2861



2862
2863
2864
2865
2866
2867
2868
** and autovacuum mode can no longer be changed.
*/
int sqlite3BtreeSetPageSize(Btree *p, int pageSize, int nReserve, int iFix){
  int rc = SQLITE_OK;
  BtShared *pBt = p->pBt;
  assert( nReserve>=-1 && nReserve<=255 );
  sqlite3BtreeEnter(p);



  if( pBt->btsFlags & BTS_PAGESIZE_FIXED ){
    sqlite3BtreeLeave(p);
    return SQLITE_READONLY;
  }
  if( nReserve<0 ){
    nReserve = pBt->pageSize - pBt->usableSize;
  }
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
** greater of the current reserved space and the maximum requested
** reserve space.
*/
int sqlite3BtreeGetOptimalReserve(Btree *p){
  int n;
  sqlite3BtreeEnter(p);
  n = sqlite3BtreeGetReserveNoMutex(p);
#ifdef SQLITE_HAS_CODEC
  if( n<p->pBt->optimalReserve ) n = p->pBt->optimalReserve;
#endif
  sqlite3BtreeLeave(p);
  return n;
}


/*
** Set the maximum page count for a database if mxPage is positive.







<
<
<







2915
2916
2917
2918
2919
2920
2921



2922
2923
2924
2925
2926
2927
2928
** greater of the current reserved space and the maximum requested
** reserve space.
*/
int sqlite3BtreeGetOptimalReserve(Btree *p){
  int n;
  sqlite3BtreeEnter(p);
  n = sqlite3BtreeGetReserveNoMutex(p);



  sqlite3BtreeLeave(p);
  return n;
}


/*
** Set the maximum page count for a database if mxPage is positive.

Changes to src/btreeInt.h.

413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
#ifndef SQLITE_OMIT_AUTOVACUUM
  u8 autoVacuum;        /* True if auto-vacuum is enabled */
  u8 incrVacuum;        /* True if incr-vacuum is enabled */
  u8 bDoTruncate;       /* True to truncate db on commit */
#endif
  u8 inTransaction;     /* Transaction state */
  u8 max1bytePayload;   /* Maximum first byte of cell for a 1-byte payload */
#ifdef SQLITE_HAS_CODEC
  u8 optimalReserve;    /* Desired amount of reserved space per page */
#endif
  u16 btsFlags;         /* Boolean parameters.  See BTS_* macros below */
  u16 maxLocal;         /* Maximum local payload in non-LEAFDATA tables */
  u16 minLocal;         /* Minimum local payload in non-LEAFDATA tables */
  u16 maxLeaf;          /* Maximum local payload in a LEAFDATA table */
  u16 minLeaf;          /* Minimum local payload in a LEAFDATA table */
  u32 pageSize;         /* Total number of bytes on a page */
  u32 usableSize;       /* Number of usable bytes on each page */







<
<
<







413
414
415
416
417
418
419



420
421
422
423
424
425
426
#ifndef SQLITE_OMIT_AUTOVACUUM
  u8 autoVacuum;        /* True if auto-vacuum is enabled */
  u8 incrVacuum;        /* True if incr-vacuum is enabled */
  u8 bDoTruncate;       /* True to truncate db on commit */
#endif
  u8 inTransaction;     /* Transaction state */
  u8 max1bytePayload;   /* Maximum first byte of cell for a 1-byte payload */



  u16 btsFlags;         /* Boolean parameters.  See BTS_* macros below */
  u16 maxLocal;         /* Maximum local payload in non-LEAFDATA tables */
  u16 minLocal;         /* Minimum local payload in non-LEAFDATA tables */
  u16 maxLeaf;          /* Maximum local payload in a LEAFDATA table */
  u16 minLeaf;          /* Minimum local payload in a LEAFDATA table */
  u32 pageSize;         /* Total number of bytes on a page */
  u32 usableSize;       /* Number of usable bytes on each page */

Changes to src/ctime.c.

351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
#endif
#if SQLITE_FTS5_ENABLE_TEST_MI
  "FTS5_ENABLE_TEST_MI",
#endif
#if SQLITE_FTS5_NO_WITHOUT_ROWID
  "FTS5_NO_WITHOUT_ROWID",
#endif
#if SQLITE_HAS_CODEC
  "HAS_CODEC",
#endif
#if HAVE_ISNAN || SQLITE_HAVE_ISNAN
  "HAVE_ISNAN",
#endif
#if SQLITE_HOMEGROWN_RECURSIVE_MUTEX
  "HOMEGROWN_RECURSIVE_MUTEX",
#endif
#if SQLITE_IGNORE_AFP_LOCK_ERRORS







<
<
<







351
352
353
354
355
356
357



358
359
360
361
362
363
364
#endif
#if SQLITE_FTS5_ENABLE_TEST_MI
  "FTS5_ENABLE_TEST_MI",
#endif
#if SQLITE_FTS5_NO_WITHOUT_ROWID
  "FTS5_NO_WITHOUT_ROWID",
#endif



#if HAVE_ISNAN || SQLITE_HAVE_ISNAN
  "HAVE_ISNAN",
#endif
#if SQLITE_HOMEGROWN_RECURSIVE_MUTEX
  "HOMEGROWN_RECURSIVE_MUTEX",
#endif
#if SQLITE_IGNORE_AFP_LOCK_ERRORS

Changes to src/global.c.

131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
**
** EVIDENCE-OF: R-38799-08373 URI filenames can be enabled or disabled
** using the SQLITE_USE_URI=1 or SQLITE_USE_URI=0 compile-time options.
**
** EVIDENCE-OF: R-43642-56306 By default, URI handling is globally
** disabled. The default value may be changed by compiling with the
** SQLITE_USE_URI symbol defined.
**
** URI filenames are enabled by default if SQLITE_HAS_CODEC is
** enabled.
*/
#ifndef SQLITE_USE_URI
# ifdef SQLITE_HAS_CODEC
#  define SQLITE_USE_URI 1
# else
#  define SQLITE_USE_URI 0
# endif
#endif

/* EVIDENCE-OF: R-38720-18127 The default setting is determined by the
** SQLITE_ALLOW_COVERING_INDEX_SCAN compile-time option, or is "on" if
** that compile-time option is omitted.
*/
#if !defined(SQLITE_ALLOW_COVERING_INDEX_SCAN)







<
<
<


<
<
<
|
<







131
132
133
134
135
136
137



138
139



140

141
142
143
144
145
146
147
**
** EVIDENCE-OF: R-38799-08373 URI filenames can be enabled or disabled
** using the SQLITE_USE_URI=1 or SQLITE_USE_URI=0 compile-time options.
**
** EVIDENCE-OF: R-43642-56306 By default, URI handling is globally
** disabled. The default value may be changed by compiling with the
** SQLITE_USE_URI symbol defined.



*/
#ifndef SQLITE_USE_URI



# define SQLITE_USE_URI 0

#endif

/* EVIDENCE-OF: R-38720-18127 The default setting is determined by the
** SQLITE_ALLOW_COVERING_INDEX_SCAN compile-time option, or is "on" if
** that compile-time option is omitted.
*/
#if !defined(SQLITE_ALLOW_COVERING_INDEX_SCAN)

Changes to src/main.c.

3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
    zFilename += sqlite3Strlen30(zFilename) + 1;
    if( x==0 ) return zFilename;
    zFilename += sqlite3Strlen30(zFilename) + 1;
  }
  return 0;
}

#if defined(SQLITE_HAS_CODEC)
/*
** Process URI filename query parameters relevant to the SQLite Encryption
** Extension.  Return true if any of the relevant query parameters are
** seen and return false if not.
*/
int sqlite3CodecQueryParameters(
  sqlite3 *db,           /* Database connection */
  const char *zDb,       /* Which schema is being created/attached */
  const char *zUri       /* URI filename */
){
  const char *zKey;
  if( zUri==0 ){
    return 0;
  }else if( (zKey = uriParameter(zUri, "hexkey"))!=0 && zKey[0] ){
    u8 iByte;
    int i;
    char zDecoded[40];
    for(i=0, iByte=0; i<sizeof(zDecoded)*2 && sqlite3Isxdigit(zKey[i]); i++){
      iByte = (iByte<<4) + sqlite3HexToInt(zKey[i]);
      if( (i&1)!=0 ) zDecoded[i/2] = iByte;
    }
    sqlite3_key_v2(db, zDb, zDecoded, i/2);
    return 1;
  }else if( (zKey = uriParameter(zUri, "key"))!=0 ){
    sqlite3_key_v2(db, zDb, zKey, sqlite3Strlen30(zKey));
    return 1;
  }else if( (zKey = uriParameter(zUri, "textkey"))!=0 ){
    sqlite3_key_v2(db, zDb, zKey, -1);
    return 1;
  }else{
    return 0;
  }
}
#endif


/*
** This routine does the work of opening a database on behalf of
** sqlite3_open() and sqlite3_open16(). The database filename "zFilename"  
** is UTF-8 encoded.
*/







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







3003
3004
3005
3006
3007
3008
3009



































3010
3011
3012
3013
3014
3015
3016
    zFilename += sqlite3Strlen30(zFilename) + 1;
    if( x==0 ) return zFilename;
    zFilename += sqlite3Strlen30(zFilename) + 1;
  }
  return 0;
}






































/*
** This routine does the work of opening a database on behalf of
** sqlite3_open() and sqlite3_open16(). The database filename "zFilename"  
** is UTF-8 encoded.
*/
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
#ifdef SQLITE_ENABLE_SQLLOG
  if( sqlite3GlobalConfig.xSqllog ){
    /* Opening a db handle. Fourth parameter is passed 0. */
    void *pArg = sqlite3GlobalConfig.pSqllogArg;
    sqlite3GlobalConfig.xSqllog(pArg, db, zFilename, 0);
  }
#endif
#if defined(SQLITE_HAS_CODEC)
  if( rc==SQLITE_OK ) sqlite3CodecQueryParameters(db, 0, zOpen);
#endif
  sqlite3_free(zOpen);
  return rc & 0xff;
}


/*
** Open a new database handle.







<
<
<







3387
3388
3389
3390
3391
3392
3393



3394
3395
3396
3397
3398
3399
3400
#ifdef SQLITE_ENABLE_SQLLOG
  if( sqlite3GlobalConfig.xSqllog ){
    /* Opening a db handle. Fourth parameter is passed 0. */
    void *pArg = sqlite3GlobalConfig.pSqllogArg;
    sqlite3GlobalConfig.xSqllog(pArg, db, zFilename, 0);
  }
#endif



  sqlite3_free(zOpen);
  return rc & 0xff;
}


/*
** Open a new database handle.

Changes to src/pager.c.

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
** PagerSharedLock() for more detail.
**
** Pager.eLock may only be set to UNKNOWN_LOCK when the pager is in 
** PAGER_OPEN state.
*/
#define UNKNOWN_LOCK                (EXCLUSIVE_LOCK+1)

/*
** A macro used for invoking the codec if there is one
*/
#ifdef SQLITE_HAS_CODEC
# define CODEC1(P,D,N,X,E) \
    if( P->xCodec && P->xCodec(P->pCodec,D,N,X)==0 ){ E; }
# define CODEC2(P,D,N,X,E,O) \
    if( P->xCodec==0 ){ O=(char*)D; }else \
    if( (O=(char*)(P->xCodec(P->pCodec,D,N,X)))==0 ){ E; }
#else
# define CODEC1(P,D,N,X,E)   /* NO-OP */
# define CODEC2(P,D,N,X,E,O) O=(char*)D
#endif

/*
** The maximum allowed sector size. 64KiB. If the xSectorsize() method 
** returns a value larger than this, then MAX_SECTOR_SIZE is used instead.
** This could conceivably cause corruption following a power failure on
** such a system. This is currently an undocumented limit.
*/
#define MAX_SECTOR_SIZE 0x10000







<
<
<
<
<
<
<
<
<
<
<
<
<
<







402
403
404
405
406
407
408














409
410
411
412
413
414
415
** PagerSharedLock() for more detail.
**
** Pager.eLock may only be set to UNKNOWN_LOCK when the pager is in 
** PAGER_OPEN state.
*/
#define UNKNOWN_LOCK                (EXCLUSIVE_LOCK+1)















/*
** The maximum allowed sector size. 64KiB. If the xSectorsize() method 
** returns a value larger than this, then MAX_SECTOR_SIZE is used instead.
** This could conceivably cause corruption following a power failure on
** such a system. This is currently an undocumented limit.
*/
#define MAX_SECTOR_SIZE 0x10000
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
  void *pBusyHandlerArg;      /* Context argument for xBusyHandler */
  int aStat[4];               /* Total cache hits, misses, writes, spills */
#ifdef SQLITE_TEST
  int nRead;                  /* Database pages read */
#endif
  void (*xReiniter)(DbPage*); /* Call this routine when reloading pages */
  int (*xGet)(Pager*,Pgno,DbPage**,int); /* Routine to fetch a patch */
#ifdef SQLITE_HAS_CODEC
  void *(*xCodec)(void*,void*,Pgno,int); /* Routine for en/decoding data */
  void (*xCodecSizeChng)(void*,int,int); /* Notify of page size changes */
  void (*xCodecFree)(void*);             /* Destructor for the codec */
  void *pCodec;               /* First argument to xCodec... methods */
#endif
  char *pTmpSpace;            /* Pager.pageSize bytes of space for tmp use */
  PCache *pPCache;            /* Pointer to page cache object */
#ifndef SQLITE_OMIT_WAL
  Wal *pWal;                  /* Write-ahead log used by "journal_mode=wal" */
  char *zWal;                 /* File name for write-ahead log */
#endif
};







<
<
<
<
<
<







687
688
689
690
691
692
693






694
695
696
697
698
699
700
  void *pBusyHandlerArg;      /* Context argument for xBusyHandler */
  int aStat[4];               /* Total cache hits, misses, writes, spills */
#ifdef SQLITE_TEST
  int nRead;                  /* Database pages read */
#endif
  void (*xReiniter)(DbPage*); /* Call this routine when reloading pages */
  int (*xGet)(Pager*,Pgno,DbPage**,int); /* Routine to fetch a patch */






  char *pTmpSpace;            /* Pager.pageSize bytes of space for tmp use */
  PCache *pPCache;            /* Pointer to page cache object */
#ifndef SQLITE_OMIT_WAL
  Wal *pWal;                  /* Write-ahead log used by "journal_mode=wal" */
  char *zWal;                 /* File name for write-ahead log */
#endif
};
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
**   * the database file is open,
**   * there are no dirty pages in the cache, and
**   * the desired page is not currently in the wal file.
*/
int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno){
  if( pPager->fd->pMethods==0 ) return 0;
  if( sqlite3PCacheIsDirty(pPager->pPCache) ) return 0;
#ifdef SQLITE_HAS_CODEC
  if( pPager->xCodec!=0 ) return 0;
#endif
#ifndef SQLITE_OMIT_WAL
  if( pPager->pWal ){
    u32 iRead = 0;
    int rc;
    rc = sqlite3WalFindFrame(pPager->pWal, pgno, &iRead);
    return (rc==SQLITE_OK && iRead==0);
  }







<
<
<







813
814
815
816
817
818
819



820
821
822
823
824
825
826
**   * the database file is open,
**   * there are no dirty pages in the cache, and
**   * the desired page is not currently in the wal file.
*/
int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno){
  if( pPager->fd->pMethods==0 ) return 0;
  if( sqlite3PCacheIsDirty(pPager->pPCache) ) return 0;



#ifndef SQLITE_OMIT_WAL
  if( pPager->pWal ){
    u32 iRead = 0;
    int rc;
    rc = sqlite3WalFindFrame(pPager->pWal, pgno, &iRead);
    return (rc==SQLITE_OK && iRead==0);
  }
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
** Set the Pager.xGet method for the appropriate routine used to fetch
** content from the pager.
*/
static void setGetterMethod(Pager *pPager){
  if( pPager->errCode ){
    pPager->xGet = getPageError;
#if SQLITE_MAX_MMAP_SIZE>0
  }else if( USEFETCH(pPager)
#ifdef SQLITE_HAS_CODEC
   && pPager->xCodec==0
#endif
  ){
    pPager->xGet = getPageMMap;
#endif /* SQLITE_MAX_MMAP_SIZE>0 */
  }else{
    pPager->xGet = getPageNormal;
  }
}








|
<
<
<
<







1046
1047
1048
1049
1050
1051
1052
1053




1054
1055
1056
1057
1058
1059
1060
** Set the Pager.xGet method for the appropriate routine used to fetch
** content from the pager.
*/
static void setGetterMethod(Pager *pPager){
  if( pPager->errCode ){
    pPager->xGet = getPageError;
#if SQLITE_MAX_MMAP_SIZE>0
  }else if( USEFETCH(pPager) ){




    pPager->xGet = getPageMMap;
#endif /* SQLITE_MAX_MMAP_SIZE>0 */
  }else{
    pPager->xGet = getPageNormal;
  }
}

2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
  while( i>0 ){
    cksum += aData[i];
    i -= 200;
  }
  return cksum;
}

/*
** Report the current page size and number of reserved bytes back
** to the codec.
*/
#ifdef SQLITE_HAS_CODEC
static void pagerReportSize(Pager *pPager){
  if( pPager->xCodecSizeChng ){
    pPager->xCodecSizeChng(pPager->pCodec, pPager->pageSize,
                           (int)pPager->nReserve);
  }
}
#else
# define pagerReportSize(X)     /* No-op if we do not support a codec */
#endif

#ifdef SQLITE_HAS_CODEC
/*
** Make sure the number of reserved bits is the same in the destination
** pager as it is in the source.  This comes up when a VACUUM changes the
** number of reserved bits to the "optimal" amount.
*/
void sqlite3PagerAlignReserve(Pager *pDest, Pager *pSrc){
  if( pDest->nReserve!=pSrc->nReserve ){
    pDest->nReserve = pSrc->nReserve;
    pagerReportSize(pDest);
  }
}
#endif

/*
** Read a single page from either the journal file (if isMainJrnl==1) or
** from the sub-journal (if isMainJrnl==0) and playback that page.
** The page begins at offset *pOffset into the file. The *pOffset
** value is increased to the start of the next page in the journal.
**
** The main rollback journal uses checksums - the statement journal does 







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







2194
2195
2196
2197
2198
2199
2200





























2201
2202
2203
2204
2205
2206
2207
  while( i>0 ){
    cksum += aData[i];
    i -= 200;
  }
  return cksum;
}






























/*
** Read a single page from either the journal file (if isMainJrnl==1) or
** from the sub-journal (if isMainJrnl==0) and playback that page.
** The page begins at offset *pOffset into the file. The *pOffset
** value is increased to the start of the next page in the journal.
**
** The main rollback journal uses checksums - the statement journal does 
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
  int rc;
  PgHdr *pPg;                   /* An existing page in the cache */
  Pgno pgno;                    /* The page number of a page in journal */
  u32 cksum;                    /* Checksum used for sanity checking */
  char *aData;                  /* Temporary storage for the page */
  sqlite3_file *jfd;            /* The file descriptor for the journal file */
  int isSynced;                 /* True if journal page is synced */
#ifdef SQLITE_HAS_CODEC
  /* The jrnlEnc flag is true if Journal pages should be passed through
  ** the codec.  It is false for pure in-memory journals. */
  const int jrnlEnc = (isMainJrnl || pPager->subjInMemory==0);
#endif

  assert( (isMainJrnl&~1)==0 );      /* isMainJrnl is 0 or 1 */
  assert( (isSavepnt&~1)==0 );       /* isSavepnt is 0 or 1 */
  assert( isMainJrnl || pDone );     /* pDone always used on sub-journals */
  assert( isSavepnt || pDone==0 );   /* pDone never used on non-savepoint */

  aData = pPager->pTmpSpace;







<
<
<
<
<







2245
2246
2247
2248
2249
2250
2251





2252
2253
2254
2255
2256
2257
2258
  int rc;
  PgHdr *pPg;                   /* An existing page in the cache */
  Pgno pgno;                    /* The page number of a page in journal */
  u32 cksum;                    /* Checksum used for sanity checking */
  char *aData;                  /* Temporary storage for the page */
  sqlite3_file *jfd;            /* The file descriptor for the journal file */
  int isSynced;                 /* True if journal page is synced */






  assert( (isMainJrnl&~1)==0 );      /* isMainJrnl is 0 or 1 */
  assert( (isSavepnt&~1)==0 );       /* isSavepnt is 0 or 1 */
  assert( isMainJrnl || pDone );     /* pDone always used on sub-journals */
  assert( isSavepnt || pDone==0 );   /* pDone never used on non-savepoint */

  aData = pPager->pTmpSpace;
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
    return rc;
  }

  /* When playing back page 1, restore the nReserve setting
  */
  if( pgno==1 && pPager->nReserve!=((u8*)aData)[20] ){
    pPager->nReserve = ((u8*)aData)[20];
    pagerReportSize(pPager);
  }

  /* If the pager is in CACHEMOD state, then there must be a copy of this
  ** page in the pager cache. In this case just update the pager cache,
  ** not the database file. The page is left marked dirty in this case.
  **
  ** An exception to the above rule: If the database is in no-sync mode







<







2307
2308
2309
2310
2311
2312
2313

2314
2315
2316
2317
2318
2319
2320
    return rc;
  }

  /* When playing back page 1, restore the nReserve setting
  */
  if( pgno==1 && pPager->nReserve!=((u8*)aData)[20] ){
    pPager->nReserve = ((u8*)aData)[20];

  }

  /* If the pager is in CACHEMOD state, then there must be a copy of this
  ** page in the pager cache. In this case just update the pager cache,
  ** not the database file. The page is left marked dirty in this case.
  **
  ** An exception to the above rule: If the database is in no-sync mode
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469

    /* Write the data read from the journal back into the database file.
    ** This is usually safe even for an encrypted database - as the data
    ** was encrypted before it was written to the journal file. The exception
    ** is if the data was just read from an in-memory sub-journal. In that
    ** case it must be encrypted here before it is copied into the database
    ** file.  */
#ifdef SQLITE_HAS_CODEC
    if( !jrnlEnc ){
      CODEC2(pPager, aData, pgno, 7, rc=SQLITE_NOMEM_BKPT, aData);
      rc = sqlite3OsWrite(pPager->fd, (u8 *)aData, pPager->pageSize, ofst);
      CODEC1(pPager, aData, pgno, 3, rc=SQLITE_NOMEM_BKPT);
    }else
#endif
    rc = sqlite3OsWrite(pPager->fd, (u8 *)aData, pPager->pageSize, ofst);

    if( pgno>pPager->dbFileSize ){
      pPager->dbFileSize = pgno;
    }
    if( pPager->pBackup ){
#ifdef SQLITE_HAS_CODEC
      if( jrnlEnc ){
        CODEC1(pPager, aData, pgno, 3, rc=SQLITE_NOMEM_BKPT);
        sqlite3BackupUpdate(pPager->pBackup, pgno, (u8*)aData);
        CODEC2(pPager, aData, pgno, 7, rc=SQLITE_NOMEM_BKPT,aData);
      }else
#endif
      sqlite3BackupUpdate(pPager->pBackup, pgno, (u8*)aData);
    }
  }else if( !isMainJrnl && pPg==0 ){
    /* If this is a rollback of a savepoint and data was not written to
    ** the database and the page is not in-memory, there is a potential
    ** problem. When the page is next fetched by the b-tree layer, it 
    ** will be read from the database file, which may or may not be 







<
<
<
<
<
<
<






<
<
<
<
<
<
<







2374
2375
2376
2377
2378
2379
2380







2381
2382
2383
2384
2385
2386







2387
2388
2389
2390
2391
2392
2393

    /* Write the data read from the journal back into the database file.
    ** This is usually safe even for an encrypted database - as the data
    ** was encrypted before it was written to the journal file. The exception
    ** is if the data was just read from an in-memory sub-journal. In that
    ** case it must be encrypted here before it is copied into the database
    ** file.  */







    rc = sqlite3OsWrite(pPager->fd, (u8 *)aData, pPager->pageSize, ofst);

    if( pgno>pPager->dbFileSize ){
      pPager->dbFileSize = pgno;
    }
    if( pPager->pBackup ){







      sqlite3BackupUpdate(pPager->pBackup, pgno, (u8*)aData);
    }
  }else if( !isMainJrnl && pPg==0 ){
    /* If this is a rollback of a savepoint and data was not written to
    ** the database and the page is not in-memory, there is a potential
    ** problem. When the page is next fetched by the b-tree layer, it 
    ** will be read from the database file, which may or may not be 
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
    pager_set_pagehash(pPg);

    /* If this was page 1, then restore the value of Pager.dbFileVers.
    ** Do this before any decoding. */
    if( pgno==1 ){
      memcpy(&pPager->dbFileVers, &((u8*)pData)[24],sizeof(pPager->dbFileVers));
    }

    /* Decode the page just read from disk */
#if SQLITE_HAS_CODEC
    if( jrnlEnc ){ CODEC1(pPager, pData, pPg->pgno, 3, rc=SQLITE_NOMEM_BKPT); }
#endif
    sqlite3PcacheRelease(pPg);
  }
  return rc;
}

/*
** Parameter zMaster is the name of a master journal file. A single journal







<
<
<
<
<







2430
2431
2432
2433
2434
2435
2436





2437
2438
2439
2440
2441
2442
2443
    pager_set_pagehash(pPg);

    /* If this was page 1, then restore the value of Pager.dbFileVers.
    ** Do this before any decoding. */
    if( pgno==1 ){
      memcpy(&pPager->dbFileVers, &((u8*)pData)[24],sizeof(pPager->dbFileVers));
    }





    sqlite3PcacheRelease(pPg);
  }
  return rc;
}

/*
** Parameter zMaster is the name of a master journal file. A single journal
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
      */
      memset(pPager->dbFileVers, 0xff, sizeof(pPager->dbFileVers));
    }else{
      u8 *dbFileVers = &((u8*)pPg->pData)[24];
      memcpy(&pPager->dbFileVers, dbFileVers, sizeof(pPager->dbFileVers));
    }
  }
  CODEC1(pPager, pPg->pData, pPg->pgno, 3, rc = SQLITE_NOMEM_BKPT);

  PAGER_INCR(sqlite3_pager_readdb_count);
  PAGER_INCR(pPager->nRead);
  IOTRACE(("PGIN %p %d\n", pPager, pPg->pgno));
  PAGERTRACE(("FETCH %d page %d hash(%08x)\n",
               PAGERID(pPager), pPg->pgno, pager_pagehash(pPg)));

  return rc;







<
<







2989
2990
2991
2992
2993
2994
2995


2996
2997
2998
2999
3000
3001
3002
      */
      memset(pPager->dbFileVers, 0xff, sizeof(pPager->dbFileVers));
    }else{
      u8 *dbFileVers = &((u8*)pPg->pData)[24];
      memcpy(&pPager->dbFileVers, dbFileVers, sizeof(pPager->dbFileVers));
    }
  }


  PAGER_INCR(sqlite3_pager_readdb_count);
  PAGER_INCR(pPager->nRead);
  IOTRACE(("PGIN %p %d\n", pPager, pPg->pgno));
  PAGERTRACE(("FETCH %d page %d hash(%08x)\n",
               PAGERID(pPager), pPg->pgno, pager_pagehash(pPg)));

  return rc;
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
  }

  *pPageSize = pPager->pageSize;
  if( rc==SQLITE_OK ){
    if( nReserve<0 ) nReserve = pPager->nReserve;
    assert( nReserve>=0 && nReserve<1000 );
    pPager->nReserve = (i16)nReserve;
    pagerReportSize(pPager);
    pagerFixMaplimit(pPager);
  }
  return rc;
}

/*
** Return a pointer to the "temporary page" buffer held internally







<







3732
3733
3734
3735
3736
3737
3738

3739
3740
3741
3742
3743
3744
3745
  }

  *pPageSize = pPager->pageSize;
  if( rc==SQLITE_OK ){
    if( nReserve<0 ) nReserve = pPager->nReserve;
    assert( nReserve>=0 && nReserve<1000 );
    pPager->nReserve = (i16)nReserve;

    pagerFixMaplimit(pPager);
  }
  return rc;
}

/*
** Return a pointer to the "temporary page" buffer held internally
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
  enable_simulated_io_errors();
  PAGERTRACE(("CLOSE %d\n", PAGERID(pPager)));
  IOTRACE(("CLOSE %p\n", pPager))
  sqlite3OsClose(pPager->jfd);
  sqlite3OsClose(pPager->fd);
  sqlite3PageFree(pTmp);
  sqlite3PcacheClose(pPager->pPCache);

#ifdef SQLITE_HAS_CODEC
  if( pPager->xCodecFree ) pPager->xCodecFree(pPager->pCodec);
#endif

  assert( !pPager->aSavepoint && !pPager->pInJournal );
  assert( !isOpen(pPager->jfd) && !isOpen(pPager->sjfd) );

  sqlite3_free(pPager);
  return SQLITE_OK;
}








<
<
<
<
<







4127
4128
4129
4130
4131
4132
4133





4134
4135
4136
4137
4138
4139
4140
  enable_simulated_io_errors();
  PAGERTRACE(("CLOSE %d\n", PAGERID(pPager)));
  IOTRACE(("CLOSE %p\n", pPager))
  sqlite3OsClose(pPager->jfd);
  sqlite3OsClose(pPager->fd);
  sqlite3PageFree(pTmp);
  sqlite3PcacheClose(pPager->pPCache);





  assert( !pPager->aSavepoint && !pPager->pInJournal );
  assert( !isOpen(pPager->jfd) && !isOpen(pPager->sjfd) );

  sqlite3_free(pPager);
  return SQLITE_OK;
}

4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
    if( pgno<=pPager->dbSize && 0==(pList->flags&PGHDR_DONT_WRITE) ){
      i64 offset = (pgno-1)*(i64)pPager->pageSize;   /* Offset to write */
      char *pData;                                   /* Data to write */    

      assert( (pList->flags&PGHDR_NEED_SYNC)==0 );
      if( pList->pgno==1 ) pager_write_changecounter(pList);

      /* Encode the database */
      CODEC2(pPager, pList->pData, pgno, 6, return SQLITE_NOMEM_BKPT, pData);

      /* Write out the page data. */
      rc = sqlite3OsWrite(pPager->fd, pData, pPager->pageSize, offset);

      /* If page 1 was just written, update Pager.dbFileVers to match
      ** the value now stored in the database file. If writing this 
      ** page caused the database file to grow, update dbFileSize. 







<
|







4377
4378
4379
4380
4381
4382
4383

4384
4385
4386
4387
4388
4389
4390
4391
    if( pgno<=pPager->dbSize && 0==(pList->flags&PGHDR_DONT_WRITE) ){
      i64 offset = (pgno-1)*(i64)pPager->pageSize;   /* Offset to write */
      char *pData;                                   /* Data to write */    

      assert( (pList->flags&PGHDR_NEED_SYNC)==0 );
      if( pList->pgno==1 ) pager_write_changecounter(pList);


      pData = pList->pData;

      /* Write out the page data. */
      rc = sqlite3OsWrite(pPager->fd, pData, pPager->pageSize, offset);

      /* If page 1 was just written, update Pager.dbFileVers to match
      ** the value now stored in the database file. If writing this 
      ** page caused the database file to grow, update dbFileSize. 
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575

    /* If the sub-journal was opened successfully (or was already open),
    ** write the journal record into the file.  */
    if( rc==SQLITE_OK ){
      void *pData = pPg->pData;
      i64 offset = (i64)pPager->nSubRec*(4+pPager->pageSize);
      char *pData2;

#if SQLITE_HAS_CODEC   
      if( !pPager->subjInMemory ){
        CODEC2(pPager, pData, pPg->pgno, 7, return SQLITE_NOMEM_BKPT, pData2);
      }else
#endif
      pData2 = pData;
      PAGERTRACE(("STMT-JOURNAL %d page %d\n", PAGERID(pPager), pPg->pgno));
      rc = write32bits(pPager->sjfd, offset, pPg->pgno);
      if( rc==SQLITE_OK ){
        rc = sqlite3OsWrite(pPager->sjfd, pData2, pPager->pageSize, offset+4);
      }
    }







<
<
<
<
<
<







4466
4467
4468
4469
4470
4471
4472






4473
4474
4475
4476
4477
4478
4479

    /* If the sub-journal was opened successfully (or was already open),
    ** write the journal record into the file.  */
    if( rc==SQLITE_OK ){
      void *pData = pPg->pData;
      i64 offset = (i64)pPager->nSubRec*(4+pPager->pageSize);
      char *pData2;






      pData2 = pData;
      PAGERTRACE(("STMT-JOURNAL %d page %d\n", PAGERID(pPager), pPg->pgno));
      rc = write32bits(pPager->sjfd, offset, pPg->pgno);
      if( rc==SQLITE_OK ){
        rc = sqlite3OsWrite(pPager->sjfd, pData2, pPager->pageSize, offset+4);
      }
    }
5643
5644
5645
5646
5647
5648
5649
5650
5651
5652
5653
5654
5655
5656
5657
5658
5659
  ** flag was specified by the caller. And so long as the db is not a 
  ** temporary or in-memory database.  */
  const int bMmapOk = (pgno>1
   && (pPager->eState==PAGER_READER || (flags & PAGER_GET_READONLY))
  );

  assert( USEFETCH(pPager) );
#ifdef SQLITE_HAS_CODEC
  assert( pPager->xCodec==0 );
#endif

  /* Optimization note:  Adding the "pgno<=1" term before "pgno==0" here
  ** allows the compiler optimizer to reuse the results of the "pgno>1"
  ** test in the previous statement, and avoid testing pgno==0 in the
  ** common case where pgno is large. */
  if( pgno<=1 && pgno==0 ){
    return SQLITE_CORRUPT_BKPT;







<
<
<







5547
5548
5549
5550
5551
5552
5553



5554
5555
5556
5557
5558
5559
5560
  ** flag was specified by the caller. And so long as the db is not a 
  ** temporary or in-memory database.  */
  const int bMmapOk = (pgno>1
   && (pPager->eState==PAGER_READER || (flags & PAGER_GET_READONLY))
  );

  assert( USEFETCH(pPager) );




  /* Optimization note:  Adding the "pgno<=1" term before "pgno==0" here
  ** allows the compiler optimizer to reuse the results of the "pgno>1"
  ** test in the previous statement, and avoid testing pgno==0 in the
  ** common case where pgno is large. */
  if( pgno<=1 && pgno==0 ){
    return SQLITE_CORRUPT_BKPT;
5974
5975
5976
5977
5978
5979
5980
5981
5982
5983
5984
5985
5986
5987
5988

  /* We should never write to the journal file the page that
  ** contains the database locks.  The following assert verifies
  ** that we do not. */
  assert( pPg->pgno!=PAGER_MJ_PGNO(pPager) );

  assert( pPager->journalHdr<=pPager->journalOff );
  CODEC2(pPager, pPg->pData, pPg->pgno, 7, return SQLITE_NOMEM_BKPT, pData2);
  cksum = pager_cksum(pPager, (u8*)pData2);

  /* Even if an IO or diskfull error occurs while journalling the
  ** page in the block above, set the need-sync flag for the page.
  ** Otherwise, when the transaction is rolled back, the logic in
  ** playback_one_page() will think that the page needs to be restored
  ** in the database file. And if an IO error occurs while doing so,







|







5875
5876
5877
5878
5879
5880
5881
5882
5883
5884
5885
5886
5887
5888
5889

  /* We should never write to the journal file the page that
  ** contains the database locks.  The following assert verifies
  ** that we do not. */
  assert( pPg->pgno!=PAGER_MJ_PGNO(pPager) );

  assert( pPager->journalHdr<=pPager->journalOff );
  pData2 = pPg->pData;
  cksum = pager_cksum(pPager, (u8*)pData2);

  /* Even if an IO or diskfull error occurs while journalling the
  ** page in the block above, set the need-sync flag for the page.
  ** Otherwise, when the transaction is rolled back, the logic in
  ** playback_one_page() will think that the page needs to be restored
  ** in the database file. And if an IO error occurs while doing so,
6339
6340
6341
6342
6343
6344
6345
6346
6347
6348
6349
6350
6351
6352
6353
      /* Actually do the update of the change counter */
      pager_write_changecounter(pPgHdr);

      /* If running in direct mode, write the contents of page 1 to the file. */
      if( DIRECT_MODE ){
        const void *zBuf;
        assert( pPager->dbFileSize>0 );
        CODEC2(pPager, pPgHdr->pData, 1, 6, rc=SQLITE_NOMEM_BKPT, zBuf);
        if( rc==SQLITE_OK ){
          rc = sqlite3OsWrite(pPager->fd, zBuf, pPager->pageSize, 0);
          pPager->aStat[PAGER_STAT_WRITE]++;
        }
        if( rc==SQLITE_OK ){
          /* Update the pager's copy of the change-counter. Otherwise, the
          ** next time a read transaction is opened the cache will be







|







6240
6241
6242
6243
6244
6245
6246
6247
6248
6249
6250
6251
6252
6253
6254
      /* Actually do the update of the change counter */
      pager_write_changecounter(pPgHdr);

      /* If running in direct mode, write the contents of page 1 to the file. */
      if( DIRECT_MODE ){
        const void *zBuf;
        assert( pPager->dbFileSize>0 );
        zBuf = pPgHdr->pData;
        if( rc==SQLITE_OK ){
          rc = sqlite3OsWrite(pPager->fd, zBuf, pPager->pageSize, 0);
          pPager->aStat[PAGER_STAT_WRITE]++;
        }
        if( rc==SQLITE_OK ){
          /* Update the pager's copy of the change-counter. Otherwise, the
          ** next time a read transaction is opened the cache will be
7098
7099
7100
7101
7102
7103
7104
7105
7106
7107
7108
7109
7110
7111
7112
7113
7114
7115
7116
7117
7118
7119
7120
7121
7122
7123
7124
7125
7126
7127
7128
7129
7130
7131
7132
7133
7134
7135
7136
7137
7138
7139
7140
7141
7142
7143
7144
7145
7146
7147
7148
7149
7150
7151
7152
7153
7154
7155
7156
7157
7158
7159
/*
** Return the full pathname of the journal file.
*/
const char *sqlite3PagerJournalname(Pager *pPager){
  return pPager->zJournal;
}

#ifdef SQLITE_HAS_CODEC
/*
** Set or retrieve the codec for this pager
*/
void sqlite3PagerSetCodec(
  Pager *pPager,
  void *(*xCodec)(void*,void*,Pgno,int),
  void (*xCodecSizeChng)(void*,int,int),
  void (*xCodecFree)(void*),
  void *pCodec
){
  if( pPager->xCodecFree ){
    pPager->xCodecFree(pPager->pCodec);
  }else{
    pager_reset(pPager);
  }
  pPager->xCodec = pPager->memDb ? 0 : xCodec;
  pPager->xCodecSizeChng = xCodecSizeChng;
  pPager->xCodecFree = xCodecFree;
  pPager->pCodec = pCodec;
  setGetterMethod(pPager);
  pagerReportSize(pPager);
}
void *sqlite3PagerGetCodec(Pager *pPager){
  return pPager->pCodec;
}

/*
** This function is called by the wal module when writing page content
** into the log file.
**
** This function returns a pointer to a buffer containing the encrypted
** page content. If a malloc fails, this function may return NULL.
*/
void *sqlite3PagerCodec(PgHdr *pPg){
  void *aData = 0;
  CODEC2(pPg->pPager, pPg->pData, pPg->pgno, 6, return 0, aData);
  return aData;
}

/*
** Return the current pager state
*/
int sqlite3PagerState(Pager *pPager){
  return pPager->eState;
}
#endif /* SQLITE_HAS_CODEC */

#ifndef SQLITE_OMIT_AUTOVACUUM
/*
** Move the page pPg to location pgno in the file.
**
** There must be no references to the page previously located at
** pgno (which we call pPgOld) though that page is allowed to be
** in cache.  If the page previously located at pgno is not already







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







6999
7000
7001
7002
7003
7004
7005
















































7006
7007
7008
7009
7010
7011
7012
/*
** Return the full pathname of the journal file.
*/
const char *sqlite3PagerJournalname(Pager *pPager){
  return pPager->zJournal;
}

















































#ifndef SQLITE_OMIT_AUTOVACUUM
/*
** Move the page pPg to location pgno in the file.
**
** There must be no references to the page previously located at
** pgno (which we call pPgOld) though that page is allowed to be
** in cache.  If the page previously located at pgno is not already

Changes to src/pager.h.

124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
);
int sqlite3PagerClose(Pager *pPager, sqlite3*);
int sqlite3PagerReadFileheader(Pager*, int, unsigned char*);

/* Functions used to configure a Pager object. */
void sqlite3PagerSetBusyHandler(Pager*, int(*)(void *), void *);
int sqlite3PagerSetPagesize(Pager*, u32*, int);
#ifdef SQLITE_HAS_CODEC
void sqlite3PagerAlignReserve(Pager*,Pager*);
#endif
int sqlite3PagerMaxPageCount(Pager*, int);
void sqlite3PagerSetCachesize(Pager*, int);
int sqlite3PagerSetSpillsize(Pager*, int);
void sqlite3PagerSetMmapLimit(Pager *, sqlite3_int64);
void sqlite3PagerShrink(Pager*);
void sqlite3PagerSetFlags(Pager*,unsigned);
int sqlite3PagerLockingMode(Pager *, int);







<
<
<







124
125
126
127
128
129
130



131
132
133
134
135
136
137
);
int sqlite3PagerClose(Pager *pPager, sqlite3*);
int sqlite3PagerReadFileheader(Pager*, int, unsigned char*);

/* Functions used to configure a Pager object. */
void sqlite3PagerSetBusyHandler(Pager*, int(*)(void *), void *);
int sqlite3PagerSetPagesize(Pager*, u32*, int);



int sqlite3PagerMaxPageCount(Pager*, int);
void sqlite3PagerSetCachesize(Pager*, int);
int sqlite3PagerSetSpillsize(Pager*, int);
void sqlite3PagerSetMmapLimit(Pager *, sqlite3_int64);
void sqlite3PagerShrink(Pager*);
void sqlite3PagerSetFlags(Pager*,unsigned);
int sqlite3PagerLockingMode(Pager *, int);
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
#endif

/* Functions used to truncate the database file. */
void sqlite3PagerTruncateImage(Pager*,Pgno);

void sqlite3PagerRekey(DbPage*, Pgno, u16);

#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_WAL)
void *sqlite3PagerCodec(DbPage *);
#endif

/* Functions to support testing and debugging. */
#if !defined(NDEBUG) || defined(SQLITE_TEST)
  Pgno sqlite3PagerPagenumber(DbPage*);
  int sqlite3PagerIswriteable(DbPage*);
#endif
#ifdef SQLITE_TEST
  int *sqlite3PagerStats(Pager*);







<
<
<
<







217
218
219
220
221
222
223




224
225
226
227
228
229
230
#endif

/* Functions used to truncate the database file. */
void sqlite3PagerTruncateImage(Pager*,Pgno);

void sqlite3PagerRekey(DbPage*, Pgno, u16);





/* Functions to support testing and debugging. */
#if !defined(NDEBUG) || defined(SQLITE_TEST)
  Pgno sqlite3PagerPagenumber(DbPage*);
  int sqlite3PagerIswriteable(DbPage*);
#endif
#ifdef SQLITE_TEST
  int *sqlite3PagerStats(Pager*);

Changes to src/pragma.c.

2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
      }
      sqlite3VdbeMultiLoad(v, 1, "ss", db->aDb[i].zDbSName, zState);
    }
    break;
  }
#endif

#ifdef SQLITE_HAS_CODEC
  /* Pragma        iArg
  ** ----------   ------
  **  key           0
  **  rekey         1
  **  hexkey        2
  **  hexrekey      3
  **  textkey       4
  **  textrekey     5
  */
  case PragTyp_KEY: {
    if( zRight ){
      char zBuf[40];
      const char *zKey = zRight;
      int n;
      if( pPragma->iArg==2 || pPragma->iArg==3 ){
        u8 iByte;
        int i;
        for(i=0, iByte=0; i<sizeof(zBuf)*2 && sqlite3Isxdigit(zRight[i]); i++){
          iByte = (iByte<<4) + sqlite3HexToInt(zRight[i]);
          if( (i&1)!=0 ) zBuf[i/2] = iByte;
        }
        zKey = zBuf;
        n = i/2;
      }else{
        n = pPragma->iArg<4 ? sqlite3Strlen30(zRight) : -1;
      }
      if( (pPragma->iArg & 1)==0 ){
        rc = sqlite3_key_v2(db, zDb, zKey, n);
      }else{
        rc = sqlite3_rekey_v2(db, zDb, zKey, n);
      }
      if( rc==SQLITE_OK && n!=0 ){
        sqlite3VdbeSetNumCols(v, 1);
        sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "ok", SQLITE_STATIC);
        returnSingleText(v, "ok");
      }
    }
    break;
  }
#endif
#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
  case PragTyp_ACTIVATE_EXTENSIONS: if( zRight ){
#ifdef SQLITE_HAS_CODEC
    if( sqlite3StrNICmp(zRight, "see-", 4)==0 ){
      sqlite3_activate_see(&zRight[4]);
    }
#endif
#ifdef SQLITE_ENABLE_CEROD
    if( sqlite3StrNICmp(zRight, "cerod-", 6)==0 ){
      sqlite3_activate_cerod(&zRight[6]);
    }
#endif
  }
  break;
#endif

  } /* End of the PRAGMA switch */

  /* The following block is a no-op unless SQLITE_DEBUG is defined. Its only







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|

<
<
<
<
<
<



<







2211
2212
2213
2214
2215
2216
2217









































2218
2219






2220
2221
2222

2223
2224
2225
2226
2227
2228
2229
      }
      sqlite3VdbeMultiLoad(v, 1, "ss", db->aDb[i].zDbSName, zState);
    }
    break;
  }
#endif










































#if defined(SQLITE_ENABLE_CEROD)
  case PragTyp_ACTIVATE_EXTENSIONS: if( zRight ){






    if( sqlite3StrNICmp(zRight, "cerod-", 6)==0 ){
      sqlite3_activate_cerod(&zRight[6]);
    }

  }
  break;
#endif

  } /* End of the PRAGMA switch */

  /* The following block is a no-op unless SQLITE_DEBUG is defined. Its only

Changes to src/pragma.h.

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
/* DO NOT EDIT!
** This file is automatically generated by the script at
** ../tool/mkpragmatab.tcl.  To update the set of pragmas, edit
** that script and rerun it.
*/

/* The various pragma types */

#define PragTyp_HEADER_VALUE                   0
#define PragTyp_AUTO_VACUUM                    1
#define PragTyp_FLAG                           2
#define PragTyp_BUSY_TIMEOUT                   3
#define PragTyp_CACHE_SIZE                     4
#define PragTyp_CACHE_SPILL                    5
#define PragTyp_CASE_SENSITIVE_LIKE            6
#define PragTyp_COLLATION_LIST                 7
#define PragTyp_COMPILE_OPTIONS                8
#define PragTyp_DATA_STORE_DIRECTORY           9
#define PragTyp_DATABASE_LIST                 10
#define PragTyp_DEFAULT_CACHE_SIZE            11
#define PragTyp_ENCODING                      12
#define PragTyp_FOREIGN_KEY_CHECK             13
#define PragTyp_FOREIGN_KEY_LIST              14
#define PragTyp_FUNCTION_LIST                 15
#define PragTyp_HARD_HEAP_LIMIT               16
#define PragTyp_INCREMENTAL_VACUUM            17
#define PragTyp_INDEX_INFO                    18
#define PragTyp_INDEX_LIST                    19
#define PragTyp_INTEGRITY_CHECK               20
#define PragTyp_JOURNAL_MODE                  21
#define PragTyp_JOURNAL_SIZE_LIMIT            22
#define PragTyp_LOCK_PROXY_FILE               23
#define PragTyp_LOCKING_MODE                  24
#define PragTyp_PAGE_COUNT                    25
#define PragTyp_MMAP_SIZE                     26
#define PragTyp_MODULE_LIST                   27
#define PragTyp_OPTIMIZE                      28
#define PragTyp_PAGE_SIZE                     29
#define PragTyp_PRAGMA_LIST                   30
#define PragTyp_SECURE_DELETE                 31
#define PragTyp_SHRINK_MEMORY                 32
#define PragTyp_SOFT_HEAP_LIMIT               33
#define PragTyp_SYNCHRONOUS                   34
#define PragTyp_TABLE_INFO                    35
#define PragTyp_TEMP_STORE                    36
#define PragTyp_TEMP_STORE_DIRECTORY          37
#define PragTyp_THREADS                       38
#define PragTyp_WAL_AUTOCHECKPOINT            39
#define PragTyp_WAL_CHECKPOINT                40
#define PragTyp_ACTIVATE_EXTENSIONS           41
#define PragTyp_KEY                           42
#define PragTyp_LOCK_STATUS                   43
#define PragTyp_STATS                         44

/* Property flags associated with various pragma. */
#define PragFlg_NeedSchema 0x01 /* Force schema load before running */
#define PragFlg_NoColumns  0x02 /* OP_ResultRow called with zero columns */
#define PragFlg_NoColumns1 0x04 /* zero columns if RHS argument is present */
#define PragFlg_ReadOnly   0x08 /* Read-only HEADER_VALUE */
#define PragFlg_Result0    0x10 /* Acts as query when no argument */







>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<
<
|
|







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
/* DO NOT EDIT!
** This file is automatically generated by the script at
** ../tool/mkpragmatab.tcl.  To update the set of pragmas, edit
** that script and rerun it.
*/

/* The various pragma types */
#define PragTyp_ACTIVATE_EXTENSIONS            0
#define PragTyp_HEADER_VALUE                   1
#define PragTyp_AUTO_VACUUM                    2
#define PragTyp_FLAG                           3
#define PragTyp_BUSY_TIMEOUT                   4
#define PragTyp_CACHE_SIZE                     5
#define PragTyp_CACHE_SPILL                    6
#define PragTyp_CASE_SENSITIVE_LIKE            7
#define PragTyp_COLLATION_LIST                 8
#define PragTyp_COMPILE_OPTIONS                9
#define PragTyp_DATA_STORE_DIRECTORY          10
#define PragTyp_DATABASE_LIST                 11
#define PragTyp_DEFAULT_CACHE_SIZE            12
#define PragTyp_ENCODING                      13
#define PragTyp_FOREIGN_KEY_CHECK             14
#define PragTyp_FOREIGN_KEY_LIST              15
#define PragTyp_FUNCTION_LIST                 16
#define PragTyp_HARD_HEAP_LIMIT               17
#define PragTyp_INCREMENTAL_VACUUM            18
#define PragTyp_INDEX_INFO                    19
#define PragTyp_INDEX_LIST                    20
#define PragTyp_INTEGRITY_CHECK               21
#define PragTyp_JOURNAL_MODE                  22
#define PragTyp_JOURNAL_SIZE_LIMIT            23
#define PragTyp_LOCK_PROXY_FILE               24
#define PragTyp_LOCKING_MODE                  25
#define PragTyp_PAGE_COUNT                    26
#define PragTyp_MMAP_SIZE                     27
#define PragTyp_MODULE_LIST                   28
#define PragTyp_OPTIMIZE                      29
#define PragTyp_PAGE_SIZE                     30
#define PragTyp_PRAGMA_LIST                   31
#define PragTyp_SECURE_DELETE                 32
#define PragTyp_SHRINK_MEMORY                 33
#define PragTyp_SOFT_HEAP_LIMIT               34
#define PragTyp_SYNCHRONOUS                   35
#define PragTyp_TABLE_INFO                    36
#define PragTyp_TEMP_STORE                    37
#define PragTyp_TEMP_STORE_DIRECTORY          38
#define PragTyp_THREADS                       39
#define PragTyp_WAL_AUTOCHECKPOINT            40
#define PragTyp_WAL_CHECKPOINT                41


#define PragTyp_LOCK_STATUS                   42
#define PragTyp_STATS                         43

/* Property flags associated with various pragma. */
#define PragFlg_NeedSchema 0x01 /* Force schema load before running */
#define PragFlg_NoColumns  0x02 /* OP_ResultRow called with zero columns */
#define PragFlg_NoColumns1 0x04 /* zero columns if RHS argument is present */
#define PragFlg_ReadOnly   0x08 /* Read-only HEADER_VALUE */
#define PragFlg_Result0    0x10 /* Acts as query when no argument */
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
  u8 ePragTyp;             /* PragTyp_XXX value */
  u8 mPragFlg;             /* Zero or more PragFlg_XXX values */
  u8 iPragCName;           /* Start of column names in pragCName[] */
  u8 nPragCName;           /* Num of col names. 0 means use pragma name */
  u64 iArg;                /* Extra argument */
} PragmaName;
static const PragmaName aPragmaName[] = {
#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
 {/* zName:     */ "activate_extensions",
  /* ePragTyp:  */ PragTyp_ACTIVATE_EXTENSIONS,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)







|







128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
  u8 ePragTyp;             /* PragTyp_XXX value */
  u8 mPragFlg;             /* Zero or more PragFlg_XXX values */
  u8 iPragCName;           /* Start of column names in pragCName[] */
  u8 nPragCName;           /* Num of col names. 0 means use pragma name */
  u64 iArg;                /* Extra argument */
} PragmaName;
static const PragmaName aPragmaName[] = {
#if defined(SQLITE_ENABLE_CEROD)
 {/* zName:     */ "activate_extensions",
  /* ePragTyp:  */ PragTyp_ACTIVATE_EXTENSIONS,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
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
#endif
#endif
 {/* zName:     */ "hard_heap_limit",
  /* ePragTyp:  */ PragTyp_HARD_HEAP_LIMIT,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#if defined(SQLITE_HAS_CODEC)
 {/* zName:     */ "hexkey",
  /* ePragTyp:  */ PragTyp_KEY,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 2 },
 {/* zName:     */ "hexrekey",
  /* ePragTyp:  */ PragTyp_KEY,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 3 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if !defined(SQLITE_OMIT_CHECK)
 {/* zName:     */ "ignore_check_constraints",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_IgnoreChecks },







<
<
<
<
<
<
<
<
<
<
<
<







324
325
326
327
328
329
330












331
332
333
334
335
336
337
#endif
#endif
 {/* zName:     */ "hard_heap_limit",
  /* ePragTyp:  */ PragTyp_HARD_HEAP_LIMIT,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },












#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if !defined(SQLITE_OMIT_CHECK)
 {/* zName:     */ "ignore_check_constraints",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_IgnoreChecks },
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
  /* ePragTyp:  */ PragTyp_JOURNAL_MODE,
  /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
 {/* zName:     */ "journal_size_limit",
  /* ePragTyp:  */ PragTyp_JOURNAL_SIZE_LIMIT,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_SchemaReq,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if defined(SQLITE_HAS_CODEC)
 {/* zName:     */ "key",
  /* ePragTyp:  */ PragTyp_KEY,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
 {/* zName:     */ "legacy_alter_table",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,







<
<
<
<
<
<
<







373
374
375
376
377
378
379







380
381
382
383
384
385
386
  /* ePragTyp:  */ PragTyp_JOURNAL_MODE,
  /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
 {/* zName:     */ "journal_size_limit",
  /* ePragTyp:  */ PragTyp_JOURNAL_SIZE_LIMIT,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_SchemaReq,







  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
 {/* zName:     */ "legacy_alter_table",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_ReadUncommit },
 {/* zName:     */ "recursive_triggers",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_RecTriggers },
#endif
#if defined(SQLITE_HAS_CODEC)
 {/* zName:     */ "rekey",
  /* ePragTyp:  */ PragTyp_KEY,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 1 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
 {/* zName:     */ "reverse_unordered_selects",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_ReverseOrder },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)







<
<
<
<
<
<
<
<
<







483
484
485
486
487
488
489









490
491
492
493
494
495
496
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_ReadUncommit },
 {/* zName:     */ "recursive_triggers",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_RecTriggers },









 {/* zName:     */ "reverse_unordered_selects",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_ReverseOrder },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
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
  /* iArg:      */ 0 },
 {/* zName:     */ "temp_store_directory",
  /* ePragTyp:  */ PragTyp_TEMP_STORE_DIRECTORY,
  /* ePragFlg:  */ PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if defined(SQLITE_HAS_CODEC)
 {/* zName:     */ "textkey",
  /* ePragTyp:  */ PragTyp_KEY,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 4 },
 {/* zName:     */ "textrekey",
  /* ePragTyp:  */ PragTyp_KEY,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 5 },
#endif
 {/* zName:     */ "threads",
  /* ePragTyp:  */ PragTyp_THREADS,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
 {/* zName:     */ "trusted_schema",







<
<
<
<
<
<
<
<
<
<
<
<







567
568
569
570
571
572
573












574
575
576
577
578
579
580
  /* iArg:      */ 0 },
 {/* zName:     */ "temp_store_directory",
  /* ePragTyp:  */ PragTyp_TEMP_STORE_DIRECTORY,
  /* ePragFlg:  */ PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif












 {/* zName:     */ "threads",
  /* ePragTyp:  */ PragTyp_THREADS,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
 {/* zName:     */ "trusted_schema",
676
677
678
679
680
681
682
683
 {/* zName:     */ "writable_schema",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_WriteSchema|SQLITE_NoSchemaError },
#endif
};
/* Number of pragmas: 66 on by default, 82 total. */







|
635
636
637
638
639
640
641
642
 {/* zName:     */ "writable_schema",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_WriteSchema|SQLITE_NoSchemaError },
#endif
};
/* Number of pragmas: 66 on by default, 76 total. */

Changes to src/sqlite.h.in.

5813
5814
5815
5816
5817
5818
5819
5820
5821
5822
5823
5824
5825
5826
5827
5828
5829
5830
5831
5832
5833
5834
5835
5836
5837
5838
5839
5840
5841
5842
5843
5844
5845
5846
5847
5848
5849
5850
5851
5852
5853
5854
5855
5856
5857
5858
5859
5860
5861
5862
5863
5864
5865
5866
5867
5868
5869
5870
5871
);
int sqlite3_collation_needed16(
  sqlite3*, 
  void*,
  void(*)(void*,sqlite3*,int eTextRep,const void*)
);

#ifdef SQLITE_HAS_CODEC
/*
** Specify the key for an encrypted database.  This routine should be
** called right after sqlite3_open().
**
** The code to implement this API is not available in the public release
** of SQLite.
*/
int sqlite3_key(
  sqlite3 *db,                   /* Database to be rekeyed */
  const void *pKey, int nKey     /* The key */
);
int sqlite3_key_v2(
  sqlite3 *db,                   /* Database to be rekeyed */
  const char *zDbName,           /* Name of the database */
  const void *pKey, int nKey     /* The key */
);

/*
** Change the key on an open database.  If the current database is not
** encrypted, this routine will encrypt it.  If pNew==0 or nNew==0, the
** database is decrypted.
**
** The code to implement this API is not available in the public release
** of SQLite.
*/
int sqlite3_rekey(
  sqlite3 *db,                   /* Database to be rekeyed */
  const void *pKey, int nKey     /* The new key */
);
int sqlite3_rekey_v2(
  sqlite3 *db,                   /* Database to be rekeyed */
  const char *zDbName,           /* Name of the database */
  const void *pKey, int nKey     /* The new key */
);

/*
** Specify the activation key for a SEE database.  Unless 
** activated, none of the SEE routines will work.
*/
void sqlite3_activate_see(
  const char *zPassPhrase        /* Activation phrase */
);
#endif

#ifdef SQLITE_ENABLE_CEROD
/*
** Specify the activation key for a CEROD database.  Unless 
** activated, none of the CEROD routines will work.
*/
void sqlite3_activate_cerod(
  const char *zPassPhrase        /* Activation phrase */







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







5813
5814
5815
5816
5817
5818
5819













































5820
5821
5822
5823
5824
5825
5826
);
int sqlite3_collation_needed16(
  sqlite3*, 
  void*,
  void(*)(void*,sqlite3*,int eTextRep,const void*)
);














































#ifdef SQLITE_ENABLE_CEROD
/*
** Specify the activation key for a CEROD database.  Unless 
** activated, none of the CEROD routines will work.
*/
void sqlite3_activate_cerod(
  const char *zPassPhrase        /* Activation phrase */

Changes to src/sqliteInt.h.

4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
void sqlite3AddCheckConstraint(Parse*, Expr*);
void sqlite3AddDefaultValue(Parse*,Expr*,const char*,const char*);
void sqlite3AddCollateType(Parse*, Token*);
void sqlite3AddGenerated(Parse*,Expr*,Token*);
void sqlite3EndTable(Parse*,Token*,Token*,u8,Select*);
int sqlite3ParseUri(const char*,const char*,unsigned int*,
                    sqlite3_vfs**,char**,char **);
#ifdef SQLITE_HAS_CODEC
  int sqlite3CodecQueryParameters(sqlite3*,const char*,const char*);
#else
# define sqlite3CodecQueryParameters(A,B,C) 0
#endif
Btree *sqlite3DbNameToBtree(sqlite3*,const char*);

#ifdef SQLITE_UNTESTABLE
# define sqlite3FaultSim(X) SQLITE_OK
#else
  int sqlite3FaultSim(int);
#endif







<
<
<
|
<







4109
4110
4111
4112
4113
4114
4115



4116

4117
4118
4119
4120
4121
4122
4123
void sqlite3AddCheckConstraint(Parse*, Expr*);
void sqlite3AddDefaultValue(Parse*,Expr*,const char*,const char*);
void sqlite3AddCollateType(Parse*, Token*);
void sqlite3AddGenerated(Parse*,Expr*,Token*);
void sqlite3EndTable(Parse*,Token*,Token*,u8,Select*);
int sqlite3ParseUri(const char*,const char*,unsigned int*,
                    sqlite3_vfs**,char**,char **);



#define sqlite3CodecQueryParameters(A,B,C) 0

Btree *sqlite3DbNameToBtree(sqlite3*,const char*);

#ifdef SQLITE_UNTESTABLE
# define sqlite3FaultSim(X) SQLITE_OK
#else
  int sqlite3FaultSim(int);
#endif

Changes to src/tclsqlite.c.

3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119

  /*
  **     $db rekey KEY
  **
  ** Change the encryption key on the currently open database.
  */
  case DB_REKEY: {
#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
    int nKey;
    void *pKey;
#endif
    if( objc!=3 ){
      Tcl_WrongNumArgs(interp, 2, objv, "KEY");
      return TCL_ERROR;
    }
#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
    pKey = Tcl_GetByteArrayFromObj(objv[2], &nKey);
    rc = sqlite3_rekey(pDb->db, pKey, nKey);
    if( rc ){
      Tcl_AppendResult(interp, sqlite3_errstr(rc), (char*)0);
      rc = TCL_ERROR;
    }
#endif
    break;
  }

  /*    $db restore ?DATABASE? FILENAME
  **
  ** Open a database file named FILENAME.  Transfer the content
  ** of FILENAME into the local database DATABASE (default: "main").







<
<
<
<




<
<
<
<
<
<
<
<







3090
3091
3092
3093
3094
3095
3096




3097
3098
3099
3100








3101
3102
3103
3104
3105
3106
3107

  /*
  **     $db rekey KEY
  **
  ** Change the encryption key on the currently open database.
  */
  case DB_REKEY: {




    if( objc!=3 ){
      Tcl_WrongNumArgs(interp, 2, objv, "KEY");
      return TCL_ERROR;
    }








    break;
  }

  /*    $db restore ?DATABASE? FILENAME
  **
  ** Open a database file named FILENAME.  Transfer the content
  ** of FILENAME into the local database DATABASE (default: "main").
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
  Tcl_Interp *interp,
  Tcl_Obj *const*objv
){
  Tcl_WrongNumArgs(interp, 1, objv,
    "HANDLE ?FILENAME? ?-vfs VFSNAME? ?-readonly BOOLEAN? ?-create BOOLEAN?"
    " ?-nofollow BOOLEAN?"
    " ?-nomutex BOOLEAN? ?-fullmutex BOOLEAN? ?-uri BOOLEAN?"
#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
    " ?-key CODECKEY?"
#endif
  );
  return TCL_ERROR;
}

/*
**   sqlite3 DBNAME FILENAME ?-vfs VFSNAME? ?-key KEY? ?-readonly BOOLEAN?
**                           ?-create BOOLEAN? ?-nomutex BOOLEAN?







<
<
<







3662
3663
3664
3665
3666
3667
3668



3669
3670
3671
3672
3673
3674
3675
  Tcl_Interp *interp,
  Tcl_Obj *const*objv
){
  Tcl_WrongNumArgs(interp, 1, objv,
    "HANDLE ?FILENAME? ?-vfs VFSNAME? ?-readonly BOOLEAN? ?-create BOOLEAN?"
    " ?-nofollow BOOLEAN?"
    " ?-nomutex BOOLEAN? ?-fullmutex BOOLEAN? ?-uri BOOLEAN?"



  );
  return TCL_ERROR;
}

/*
**   sqlite3 DBNAME FILENAME ?-vfs VFSNAME? ?-key KEY? ?-readonly BOOLEAN?
**                           ?-create BOOLEAN? ?-nomutex BOOLEAN?
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
  const char *zArg;
  char *zErrMsg;
  int i;
  const char *zFile = 0;
  const char *zVfs = 0;
  int flags;
  Tcl_DString translatedFilename;
#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
  void *pKey = 0;
  int nKey = 0;
#endif
  int rc;

  /* In normal use, each TCL interpreter runs in a single thread.  So
  ** by default, we can turn off mutexing on SQLite database connections.
  ** However, for testing purposes it is useful to have mutexes turned
  ** on.  So, by default, mutexes default off.  But if compiled with
  ** SQLITE_TCL_DEFAULT_FULLMUTEX then mutexes default on.







<
<
<
<







3696
3697
3698
3699
3700
3701
3702




3703
3704
3705
3706
3707
3708
3709
  const char *zArg;
  char *zErrMsg;
  int i;
  const char *zFile = 0;
  const char *zVfs = 0;
  int flags;
  Tcl_DString translatedFilename;




  int rc;

  /* In normal use, each TCL interpreter runs in a single thread.  So
  ** by default, we can turn off mutexing on SQLite database connections.
  ** However, for testing purposes it is useful to have mutexes turned
  ** on.  So, by default, mutexes default off.  But if compiled with
  ** SQLITE_TCL_DEFAULT_FULLMUTEX then mutexes default on.
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
      return TCL_OK;
    }
    if( strcmp(zArg,"-sourceid")==0 ){
      Tcl_AppendResult(interp,sqlite3_sourceid(), (char*)0);
      return TCL_OK;
    }
    if( strcmp(zArg,"-has-codec")==0 ){
#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
      Tcl_AppendResult(interp,"1",(char*)0);
#else
      Tcl_AppendResult(interp,"0",(char*)0);
#endif
      return TCL_OK;
    }
    if( zArg[0]=='-' ) return sqliteCmdUsage(interp, objv);
  }
  for(i=2; i<objc; i++){
    zArg = Tcl_GetString(objv[i]);
    if( zArg[0]!='-' ){
      if( zFile!=0 ) return sqliteCmdUsage(interp, objv);
      zFile = zArg;
      continue;
    }
    if( i==objc-1 ) return sqliteCmdUsage(interp, objv);
    i++;
    if( strcmp(zArg,"-key")==0 ){
#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
      pKey = Tcl_GetByteArrayFromObj(objv[i], &nKey);
#endif
    }else if( strcmp(zArg, "-vfs")==0 ){
      zVfs = Tcl_GetString(objv[i]);
    }else if( strcmp(zArg, "-readonly")==0 ){
      int b;
      if( Tcl_GetBooleanFromObj(interp, objv[i], &b) ) return TCL_ERROR;
      if( b ){
        flags &= ~(SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE);







<
<
<

<














<
<
|







3722
3723
3724
3725
3726
3727
3728



3729

3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743


3744
3745
3746
3747
3748
3749
3750
3751
      return TCL_OK;
    }
    if( strcmp(zArg,"-sourceid")==0 ){
      Tcl_AppendResult(interp,sqlite3_sourceid(), (char*)0);
      return TCL_OK;
    }
    if( strcmp(zArg,"-has-codec")==0 ){



      Tcl_AppendResult(interp,"0",(char*)0);

      return TCL_OK;
    }
    if( zArg[0]=='-' ) return sqliteCmdUsage(interp, objv);
  }
  for(i=2; i<objc; i++){
    zArg = Tcl_GetString(objv[i]);
    if( zArg[0]!='-' ){
      if( zFile!=0 ) return sqliteCmdUsage(interp, objv);
      zFile = zArg;
      continue;
    }
    if( i==objc-1 ) return sqliteCmdUsage(interp, objv);
    i++;
    if( strcmp(zArg,"-key")==0 ){


      /* no-op */
    }else if( strcmp(zArg, "-vfs")==0 ){
      zVfs = Tcl_GetString(objv[i]);
    }else if( strcmp(zArg, "-readonly")==0 ){
      int b;
      if( Tcl_GetBooleanFromObj(interp, objv[i], &b) ) return TCL_ERROR;
      if( b ){
        flags &= ~(SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE);
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
      zErrMsg = sqlite3_mprintf("%s", sqlite3_errmsg(p->db));
      sqlite3_close(p->db);
      p->db = 0;
    }
  }else{
    zErrMsg = sqlite3_mprintf("%s", sqlite3_errstr(rc));
  }
#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
  if( p->db ){
    sqlite3_key(p->db, pKey, nKey);
  }
#endif
  if( p->db==0 ){
    Tcl_SetResult(interp, zErrMsg, TCL_VOLATILE);
    Tcl_Free((char*)p);
    sqlite3_free(zErrMsg);
    return TCL_ERROR;
  }
  p->maxStmt = NUM_PREPARED_STMTS;







<
<
<
<
<







3813
3814
3815
3816
3817
3818
3819





3820
3821
3822
3823
3824
3825
3826
      zErrMsg = sqlite3_mprintf("%s", sqlite3_errmsg(p->db));
      sqlite3_close(p->db);
      p->db = 0;
    }
  }else{
    zErrMsg = sqlite3_mprintf("%s", sqlite3_errstr(rc));
  }





  if( p->db==0 ){
    Tcl_SetResult(interp, zErrMsg, TCL_VOLATILE);
    Tcl_Free((char*)p);
    sqlite3_free(zErrMsg);
    return TCL_ERROR;
  }
  p->maxStmt = NUM_PREPARED_STMTS;

Changes to src/test1.c.

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
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
*/
static int SQLITE_TCLAPI test_key(
  void *NotUsed,
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int argc,              /* Number of arguments */
  char **argv            /* Text of each argument */
){
#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
  sqlite3 *db;
  const char *zKey;
  int nKey;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " FILENAME\"", 0);
    return TCL_ERROR;
  }
  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
  zKey = argv[2];
  nKey = strlen(zKey);
  sqlite3_key(db, zKey, nKey);
#endif
  return TCL_OK;
}

/*
** Usage:  sqlite3_rekey DB KEY
**
** Change the codec key.
*/
static int SQLITE_TCLAPI test_rekey(
  void *NotUsed,
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int argc,              /* Number of arguments */
  char **argv            /* Text of each argument */
){
#ifdef SQLITE_HAS_CODEC
  sqlite3 *db;
  const char *zKey;
  int nKey;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " FILENAME\"", 0);
    return TCL_ERROR;
  }
  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
  zKey = argv[2];
  nKey = strlen(zKey);
  sqlite3_rekey(db, zKey, nKey);
#endif
  return TCL_OK;
}

/*
** Usage:  sqlite3_close DB
**
** Closes the database opened by sqlite3_open.







<
<
<
<
<
<
<
<
<
<
<
<
<
<














<
<
<
<
<
<
<
<
<
<
<
<
<
<







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
*/
static int SQLITE_TCLAPI test_key(
  void *NotUsed,
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int argc,              /* Number of arguments */
  char **argv            /* Text of each argument */
){














  return TCL_OK;
}

/*
** Usage:  sqlite3_rekey DB KEY
**
** Change the codec key.
*/
static int SQLITE_TCLAPI test_rekey(
  void *NotUsed,
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int argc,              /* Number of arguments */
  char **argv            /* Text of each argument */
){














  return TCL_OK;
}

/*
** Usage:  sqlite3_close DB
**
** Closes the database opened by sqlite3_open.

Changes to src/test_config.c.

222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240

#ifdef SQLITE_ENABLE_JSON1
  Tcl_SetVar2(interp, "sqlite_options", "json1", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "json1", "0", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_HAS_CODEC
  Tcl_SetVar2(interp, "sqlite_options", "has_codec", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "has_codec", "0", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS
  Tcl_SetVar2(interp, "sqlite_options", "like_match_blobs", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "like_match_blobs", "1", TCL_GLOBAL_ONLY);
#endif








<
<
<

<







222
223
224
225
226
227
228



229

230
231
232
233
234
235
236

#ifdef SQLITE_ENABLE_JSON1
  Tcl_SetVar2(interp, "sqlite_options", "json1", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "json1", "0", TCL_GLOBAL_ONLY);
#endif




  Tcl_SetVar2(interp, "sqlite_options", "has_codec", "0", TCL_GLOBAL_ONLY);


#ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS
  Tcl_SetVar2(interp, "sqlite_options", "like_match_blobs", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "like_match_blobs", "1", TCL_GLOBAL_ONLY);
#endif

Changes to src/test_thread.c.

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
  extern int Md5_Register(sqlite3*,char**,const sqlite3_api_routines*);

  UNUSED_PARAMETER(clientData);
  UNUSED_PARAMETER(objc);

  zFilename = Tcl_GetString(objv[2]);
  sqlite3_open(zFilename, &db);
#ifdef SQLITE_HAS_CODEC
  if( db && objc>=4 ){
    const char *zKey;
    int nKey;
    int rc;
    zKey = Tcl_GetStringFromObj(objv[3], &nKey);
    rc = sqlite3_key(db, zKey, nKey);
    if( rc!=SQLITE_OK ){
      char *zErrMsg = sqlite3_mprintf("error %d: %s", rc, sqlite3_errmsg(db));
      sqlite3_close(db);
      Tcl_AppendResult(interp, zErrMsg, (char*)0);
      sqlite3_free(zErrMsg);
      return TCL_ERROR;
    }
  }
#endif
  Md5_Register(db, 0, 0);
  sqlite3_busy_handler(db, xBusy, 0);
  
  if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
  Tcl_AppendResult(interp, zBuf, 0);

  return TCL_OK;







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







283
284
285
286
287
288
289
















290
291
292
293
294
295
296
  extern int Md5_Register(sqlite3*,char**,const sqlite3_api_routines*);

  UNUSED_PARAMETER(clientData);
  UNUSED_PARAMETER(objc);

  zFilename = Tcl_GetString(objv[2]);
  sqlite3_open(zFilename, &db);
















  Md5_Register(db, 0, 0);
  sqlite3_busy_handler(db, xBusy, 0);
  
  if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
  Tcl_AppendResult(interp, zBuf, 0);

  return TCL_OK;

Changes to src/util.c.

1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
#endif
#ifdef SQLITE_EBCDIC
  h += 9*(1&~(h>>4));
#endif
  return (u8)(h & 0xf);
}

#if !defined(SQLITE_OMIT_BLOB_LITERAL) || defined(SQLITE_HAS_CODEC)
/*
** Convert a BLOB literal of the form "x'hhhhhh'" into its binary
** value.  Return a pointer to its binary value.  Space to hold the
** binary value has been obtained from malloc and must be freed by
** the calling routine.
*/
void *sqlite3HexToBlob(sqlite3 *db, const char *z, int n){
  char *zBlob;
  int i;

  zBlob = (char *)sqlite3DbMallocRawNN(db, n/2 + 1);
  n--;
  if( zBlob ){
    for(i=0; i<n; i+=2){
      zBlob[i/2] = (sqlite3HexToInt(z[i])<<4) | sqlite3HexToInt(z[i+1]);
    }
    zBlob[i/2] = 0;
  }
  return zBlob;
}
#endif /* !SQLITE_OMIT_BLOB_LITERAL || SQLITE_HAS_CODEC */

/*
** Log an error that is an API call on a connection pointer that should
** not have been used.  The "type" of connection pointer is given as the
** argument.  The zType is a word like "NULL" or "closed" or "invalid".
*/
static void logBadConnection(const char *zType){







|




















|







1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
#endif
#ifdef SQLITE_EBCDIC
  h += 9*(1&~(h>>4));
#endif
  return (u8)(h & 0xf);
}

#if !defined(SQLITE_OMIT_BLOB_LITERAL)
/*
** Convert a BLOB literal of the form "x'hhhhhh'" into its binary
** value.  Return a pointer to its binary value.  Space to hold the
** binary value has been obtained from malloc and must be freed by
** the calling routine.
*/
void *sqlite3HexToBlob(sqlite3 *db, const char *z, int n){
  char *zBlob;
  int i;

  zBlob = (char *)sqlite3DbMallocRawNN(db, n/2 + 1);
  n--;
  if( zBlob ){
    for(i=0; i<n; i+=2){
      zBlob[i/2] = (sqlite3HexToInt(z[i])<<4) | sqlite3HexToInt(z[i+1]);
    }
    zBlob[i/2] = 0;
  }
  return zBlob;
}
#endif /* !SQLITE_OMIT_BLOB_LITERAL */

/*
** Log an error that is an API call on a connection pointer that should
** not have been used.  The "type" of connection pointer is given as the
** argument.  The zType is a word like "NULL" or "closed" or "invalid".
*/
static void logBadConnection(const char *zType){

Changes to src/vacuum.c.

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
      sqlite3SetString(pzErrMsg, db, "output file already exists");
      goto end_of_vacuum;
    }
    db->mDbFlags |= DBFLAG_VacuumInto;
  }
  nRes = sqlite3BtreeGetOptimalReserve(pMain);

  /* A VACUUM cannot change the pagesize of an encrypted database. */
#ifdef SQLITE_HAS_CODEC
  if( db->nextPagesize ){
    extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*);
    int nKey;
    char *zKey;
    sqlite3CodecGetKey(db, iDb, (void**)&zKey, &nKey);
    if( nKey ) db->nextPagesize = 0;
  }
#endif

  sqlite3BtreeSetCacheSize(pTemp, db->aDb[iDb].pSchema->cache_size);
  sqlite3BtreeSetSpillSize(pTemp, sqlite3BtreeSetSpillSize(pMain,0));
  sqlite3BtreeSetPagerFlags(pTemp, PAGER_SYNCHRONOUS_OFF|PAGER_CACHESPILL);

  /* Begin a transaction and take an exclusive lock on the main database
  ** file. This is done before the sqlite3BtreeGetPageSize(pMain) call below,
  ** to ensure that we do not try to change the page-size on a WAL database.







<
<
<
<
<
<
<
<
<
<
<







231
232
233
234
235
236
237











238
239
240
241
242
243
244
      sqlite3SetString(pzErrMsg, db, "output file already exists");
      goto end_of_vacuum;
    }
    db->mDbFlags |= DBFLAG_VacuumInto;
  }
  nRes = sqlite3BtreeGetOptimalReserve(pMain);












  sqlite3BtreeSetCacheSize(pTemp, db->aDb[iDb].pSchema->cache_size);
  sqlite3BtreeSetSpillSize(pTemp, sqlite3BtreeSetSpillSize(pMain,0));
  sqlite3BtreeSetPagerFlags(pTemp, PAGER_SYNCHRONOUS_OFF|PAGER_CACHESPILL);

  /* Begin a transaction and take an exclusive lock on the main database
  ** file. This is done before the sqlite3BtreeGetPageSize(pMain) call below,
  ** to ensure that we do not try to change the page-size on a WAL database.

Changes to src/wal.c.

3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
  PgHdr *pPage,               /* The page of the frame to be written */
  int nTruncate,              /* The commit flag.  Usually 0.  >0 for commit */
  sqlite3_int64 iOffset       /* Byte offset at which to write */
){
  int rc;                         /* Result code from subfunctions */
  void *pData;                    /* Data actually written */
  u8 aFrame[WAL_FRAME_HDRSIZE];   /* Buffer to assemble frame-header in */
#if defined(SQLITE_HAS_CODEC)
  if( (pData = sqlite3PagerCodec(pPage))==0 ) return SQLITE_NOMEM_BKPT;
#else
  pData = pPage->pData;
#endif
  walEncodeFrame(p->pWal, pPage->pgno, nTruncate, pData, aFrame);
  rc = walWriteToLog(p, aFrame, sizeof(aFrame), iOffset);
  if( rc ) return rc;
  /* Write the page data */
  rc = walWriteToLog(p, pData, p->szPage, iOffset+sizeof(aFrame));
  return rc;
}







<
<
<

<







3249
3250
3251
3252
3253
3254
3255



3256

3257
3258
3259
3260
3261
3262
3263
  PgHdr *pPage,               /* The page of the frame to be written */
  int nTruncate,              /* The commit flag.  Usually 0.  >0 for commit */
  sqlite3_int64 iOffset       /* Byte offset at which to write */
){
  int rc;                         /* Result code from subfunctions */
  void *pData;                    /* Data actually written */
  u8 aFrame[WAL_FRAME_HDRSIZE];   /* Buffer to assemble frame-header in */



  pData = pPage->pData;

  walEncodeFrame(p->pWal, pPage->pgno, nTruncate, pData, aFrame);
  rc = walWriteToLog(p, aFrame, sizeof(aFrame), iOffset);
  if( rc ) return rc;
  /* Write the page data */
  rc = walWriteToLog(p, pData, p->szPage, iOffset+sizeof(aFrame));
  return rc;
}
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
      assert( rc==SQLITE_OK || iWrite==0 );
      if( iWrite>=iFirst ){
        i64 iOff = walFrameOffset(iWrite, szPage) + WAL_FRAME_HDRSIZE;
        void *pData;
        if( pWal->iReCksum==0 || iWrite<pWal->iReCksum ){
          pWal->iReCksum = iWrite;
        }
#if defined(SQLITE_HAS_CODEC)
        if( (pData = sqlite3PagerCodec(p))==0 ) return SQLITE_NOMEM;
#else
        pData = p->pData;
#endif
        rc = sqlite3OsWrite(pWal->pWalFd, pData, szPage, iOff);
        if( rc ) return rc;
        p->flags &= ~PGHDR_WAL_APPEND;
        continue;
      }
    }








<
<
<

<







3432
3433
3434
3435
3436
3437
3438



3439

3440
3441
3442
3443
3444
3445
3446
      assert( rc==SQLITE_OK || iWrite==0 );
      if( iWrite>=iFirst ){
        i64 iOff = walFrameOffset(iWrite, szPage) + WAL_FRAME_HDRSIZE;
        void *pData;
        if( pWal->iReCksum==0 || iWrite<pWal->iReCksum ){
          pWal->iReCksum = iWrite;
        }



        pData = p->pData;

        rc = sqlite3OsWrite(pWal->pWalFd, pData, szPage, iOff);
        if( rc ) return rc;
        p->flags &= ~PGHDR_WAL_APPEND;
        continue;
      }
    }

Changes to tool/mkpragmatab.tcl.

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
  COLS: timeout

  NAME: lock_status
  FLAG: Result0
  COLS: database status
  IF:   defined(SQLITE_DEBUG) || defined(SQLITE_TEST)

  NAME: key
  TYPE: KEY
  ARG:  0
  IF:   defined(SQLITE_HAS_CODEC)

  NAME: rekey
  TYPE: KEY
  ARG:  1
  IF:   defined(SQLITE_HAS_CODEC)

  NAME: hexkey
  TYPE: KEY
  ARG:  2
  IF:   defined(SQLITE_HAS_CODEC)

  NAME: hexrekey
  TYPE: KEY
  ARG:  3
  IF:   defined(SQLITE_HAS_CODEC)

  NAME: textkey
  TYPE: KEY
  ARG:  4
  IF:   defined(SQLITE_HAS_CODEC)

  NAME: textrekey
  TYPE: KEY
  ARG:  5
  IF:   defined(SQLITE_HAS_CODEC)

  NAME: activate_extensions
  IF:   defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)

  NAME: soft_heap_limit
  FLAG: Result0

  NAME: hard_heap_limit
  FLAG: Result0








<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<

|







366
367
368
369
370
371
372






























373
374
375
376
377
378
379
380
381
  COLS: timeout

  NAME: lock_status
  FLAG: Result0
  COLS: database status
  IF:   defined(SQLITE_DEBUG) || defined(SQLITE_TEST)































  NAME: activate_extensions
  IF:   defined(SQLITE_ENABLE_CEROD)

  NAME: soft_heap_limit
  FLAG: Result0

  NAME: hard_heap_limit
  FLAG: Result0

492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
    error "bad pragma_def line: $line"
  }
}
record_one
set allnames [lsort [array names allbyname]]

# Generate #defines for all pragma type names.  Group the pragmas that are
# omit in default builds (defined(SQLITE_DEBUG) and defined(SQLITE_HAS_CODEC))
# at the end.
#
puts $fd "\n/* The various pragma types */"
set pnum 0
foreach name $allnames {
  set type [lindex $allbyname($name) 0]
  if {[info exists seentype($type)]} continue







|







462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
    error "bad pragma_def line: $line"
  }
}
record_one
set allnames [lsort [array names allbyname]]

# Generate #defines for all pragma type names.  Group the pragmas that are
# omit in default builds (ex: defined(SQLITE_DEBUG))
# at the end.
#
puts $fd "\n/* The various pragma types */"
set pnum 0
foreach name $allnames {
  set type [lindex $allbyname($name) 0]
  if {[info exists seentype($type)]} continue