/ Check-in [2c54aba5]
Login
Home Timeline Branches Tags Tickets Wiki More...

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

Overview
Comment:Propagate detected database corruption up through the call stack. (CVS 2279)
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 2c54aba5ba781f4da1f14ed7a3986b6dc17728d7
User & Date: drh 2005-01-26 21:55:32
Context
2005-01-27
00:22
Have REINDEX handle missing collation sequences correctly. (CVS 2280) check-in: 1c1904f4 user: danielk1977 tags: trunk
2005-01-26
21:55
Propagate detected database corruption up through the call stack. (CVS 2279) check-in: 2c54aba5 user: drh tags: trunk
17:47
An optimization to sqlite3VdbeSerialType(). (CVS 2278) check-in: db367738 user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/vdbe.c. 

39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
....
1734
1735
1736
1737
1738
1739
1740
1741

1742
1743
1744
1745
1746
1747
1748
....
3079
3080
3081
3082
3083
3084
3085
3086

3087
3088
3089
3090
3091
3092
3093
....
3152
3153
3154
3155
3156
3157
3158
3159

3160
3161
3162
3163
3164
3165
3166
....
3207
3208
3209
3210
3211
3212
3213
3214

3215
3216
3217
3218
3219
3220
3221
....
3253
3254
3255
3256
3257
3258
3259
3260

3261
3262
3263
3264
3265
3266
3267

**
** Various scripts scan this source file in order to generate HTML
** documentation, headers files, or other derived files.  The formatting
** of the code in this file is, therefore, important.  See other comments
** in this file for details.  If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.446 2005/01/24 10:25:59 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include "vdbeInt.h"

/*
................................................................................
    zRec = pRec->z;
    assert( pCnt>=p->aStack );
    assert( pCnt->flags & MEM_Int );
    nField = pCnt->i;
    pCrsr = 0;
  }else if( (pC = p->apCsr[p1])->pCursor!=0 ){
    /* The record is stored in a B-Tree */
    sqlite3VdbeCursorMoveto(pC);

    zRec = 0;
    pCrsr = pC->pCursor;
    if( pC->nullRow ){
      payloadSize = 0;
    }else if( pC->cacheValid ){
      payloadSize = pC->payloadSize;
      zRec = pC->aRow;
................................................................................
case OP_Delete: {
  int i = pOp->p1;
  Cursor *pC;
  assert( i>=0 && i<p->nCursor );
  pC = p->apCsr[i];
  assert( pC!=0 );
  if( pC->pCursor!=0 ){
    sqlite3VdbeCursorMoveto(pC);

    rc = sqlite3BtreeDelete(pC->pCursor);
    pC->nextRowidValid = 0;
    pC->cacheValid = 0;
  }
  if( pOp->p2 & OPFLAG_NCHANGE ) p->nChange++;
  break;
}
................................................................................
  assert( i>=0 && i<p->nCursor );
  pC = p->apCsr[i];
  assert( pC!=0 );
  if( pC->nullRow ){
    pTos->flags = MEM_Null;
  }else if( pC->pCursor!=0 ){
    BtCursor *pCrsr = pC->pCursor;
    sqlite3VdbeCursorMoveto(pC);

    if( pC->nullRow ){
      pTos->flags = MEM_Null;
      break;
    }else if( pC->keyAsData || pOp->opcode==OP_RowKey ){
      i64 n64;
      assert( !pC->intKey );
      sqlite3BtreeKeySize(pCrsr, &n64);
................................................................................
  int i = pOp->p1;
  Cursor *pC;
  i64 v;

  assert( i>=0 && i<p->nCursor );
  pC = p->apCsr[i];
  assert( pC!=0 );
  sqlite3VdbeCursorMoveto(pC);

  pTos++;
  if( pC->recnoIsValid ){
    v = pC->lastRecno;
  }else if( pC->pseudoTable ){
    v = keyToInt(pC->iKey);
  }else if( pC->nullRow || pC->pCursor==0 ){
    pTos->flags = MEM_Null;
................................................................................
  assert( !p->apCsr[i]->pseudoTable );
  pTos++;
  pTos->flags = MEM_Null;
  if( (pCrsr = (pC = p->apCsr[i])->pCursor)!=0 ){
    i64 amt;
    char *z;

    sqlite3VdbeCursorMoveto(pC);

    assert( pC->intKey==0 );
    sqlite3BtreeKeySize(pCrsr, &amt);
    if( amt<=0 ){
      rc = SQLITE_CORRUPT;
      goto abort_due_to_error;
    }
    if( amt>NBFS ){








|







 







|
>







 







|
>







 







|
>







 







|
>







 







|
>








39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
....
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
....
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
....
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
....
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
....
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272

**
** Various scripts scan this source file in order to generate HTML
** documentation, headers files, or other derived files.  The formatting
** of the code in this file is, therefore, important.  See other comments
** in this file for details.  If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.447 2005/01/26 21:55:32 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include "vdbeInt.h"

/*
................................................................................
    zRec = pRec->z;
    assert( pCnt>=p->aStack );
    assert( pCnt->flags & MEM_Int );
    nField = pCnt->i;
    pCrsr = 0;
  }else if( (pC = p->apCsr[p1])->pCursor!=0 ){
    /* The record is stored in a B-Tree */
    rc = sqlite3VdbeCursorMoveto(pC);
    if ( rc ) return rc;
    zRec = 0;
    pCrsr = pC->pCursor;
    if( pC->nullRow ){
      payloadSize = 0;
    }else if( pC->cacheValid ){
      payloadSize = pC->payloadSize;
      zRec = pC->aRow;
................................................................................
case OP_Delete: {
  int i = pOp->p1;
  Cursor *pC;
  assert( i>=0 && i<p->nCursor );
  pC = p->apCsr[i];
  assert( pC!=0 );
  if( pC->pCursor!=0 ){
    rc = sqlite3VdbeCursorMoveto(pC);
    if ( rc ) return rc;
    rc = sqlite3BtreeDelete(pC->pCursor);
    pC->nextRowidValid = 0;
    pC->cacheValid = 0;
  }
  if( pOp->p2 & OPFLAG_NCHANGE ) p->nChange++;
  break;
}
................................................................................
  assert( i>=0 && i<p->nCursor );
  pC = p->apCsr[i];
  assert( pC!=0 );
  if( pC->nullRow ){
    pTos->flags = MEM_Null;
  }else if( pC->pCursor!=0 ){
    BtCursor *pCrsr = pC->pCursor;
    rc = sqlite3VdbeCursorMoveto(pC);
    if ( rc ) return rc;
    if( pC->nullRow ){
      pTos->flags = MEM_Null;
      break;
    }else if( pC->keyAsData || pOp->opcode==OP_RowKey ){
      i64 n64;
      assert( !pC->intKey );
      sqlite3BtreeKeySize(pCrsr, &n64);
................................................................................
  int i = pOp->p1;
  Cursor *pC;
  i64 v;

  assert( i>=0 && i<p->nCursor );
  pC = p->apCsr[i];
  assert( pC!=0 );
  rc = sqlite3VdbeCursorMoveto(pC);
  if ( rc ) return rc;
  pTos++;
  if( pC->recnoIsValid ){
    v = pC->lastRecno;
  }else if( pC->pseudoTable ){
    v = keyToInt(pC->iKey);
  }else if( pC->nullRow || pC->pCursor==0 ){
    pTos->flags = MEM_Null;
................................................................................
  assert( !p->apCsr[i]->pseudoTable );
  pTos++;
  pTos->flags = MEM_Null;
  if( (pCrsr = (pC = p->apCsr[i])->pCursor)!=0 ){
    i64 amt;
    char *z;

    rc = sqlite3VdbeCursorMoveto(pC);
    if ( rc ) return rc;
    assert( pC->intKey==0 );
    sqlite3BtreeKeySize(pCrsr, &amt);
    if( amt<=0 ){
      rc = SQLITE_CORRUPT;
      goto abort_due_to_error;
    }
    if( amt>NBFS ){

Changes to src/vdbeaux.c. 

1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437

1438

1439
1440
1441
1442
1443

1444
1445
1446
1447
1448
1449
1450

/*
** If a MoveTo operation is pending on the given cursor, then do that
** MoveTo now.  Return an error code.  If no MoveTo is pending, this
** routine does nothing and returns SQLITE_OK.
*/
int sqlite3VdbeCursorMoveto(Cursor *p){
  if( p->deferredMoveto ){
    int res;
    extern int sqlite3_search_count;
    assert( p->intKey );
    if( p->intKey ){
      sqlite3BtreeMoveto(p->pCursor, 0, p->movetoTarget, &res);
    }else{
      sqlite3BtreeMoveto(p->pCursor,(char*)&p->movetoTarget,sizeof(i64),&res);

    }

    *p->pIncrKey = 0;
    p->lastRecno = keyToInt(p->movetoTarget);
    p->recnoIsValid = res==0;
    if( res<0 ){
      sqlite3BtreeNext(p->pCursor, &res);

    }
    sqlite3_search_count++;
    p->deferredMoveto = 0;
    p->cacheValid = 0;
  }
  return SQLITE_OK;
}








|



|

|
>

>




|
>








1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453

/*
** If a MoveTo operation is pending on the given cursor, then do that
** MoveTo now.  Return an error code.  If no MoveTo is pending, this
** routine does nothing and returns SQLITE_OK.
*/
int sqlite3VdbeCursorMoveto(Cursor *p){
  if( p->deferredMoveto ){
    int res, rc;
    extern int sqlite3_search_count;
    assert( p->intKey );
    if( p->intKey ){
      rc = sqlite3BtreeMoveto(p->pCursor, 0, p->movetoTarget, &res);
    }else{
      rc = sqlite3BtreeMoveto(p->pCursor,(char*)&p->movetoTarget,
                              sizeof(i64),&res);
    }
    if( rc ) return rc;
    *p->pIncrKey = 0;
    p->lastRecno = keyToInt(p->movetoTarget);
    p->recnoIsValid = res==0;
    if( res<0 ){
      rc = sqlite3BtreeNext(p->pCursor, &res);
      if( rc ) return rc;
    }
    sqlite3_search_count++;
    p->deferredMoveto = 0;
    p->cacheValid = 0;
  }
  return SQLITE_OK;
}

This page was generated in about 0.049s by Fossil 2.9 [5b6be64760] 2019-06-14 00:24:04