/ Check-in [988cb064]
Login

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

Overview
Comment:Back out an optimization that was causing problems in UTF-16 databases. (CVS 1913)
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1:988cb064ab2d3c9b64c075265a8cb4402a604332
User & Date: drh 2004-08-29 17:30:50
Context
2004-08-29
17:52
Increase the version number and update the change log in preparation for the release of version 3.0.5. (CVS 1914) check-in: 69922aab user: drh tags: trunk
17:30
Back out an optimization that was causing problems in UTF-16 databases. (CVS 1913) check-in: 988cb064 user: drh tags: trunk
16:25
Corrections to transient table handling in compound select statments. Tickets #826 and #875. (CVS 1912) check-in: 9cc765be 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
....
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
**
** 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 1.410 2004/08/28 18:17:48 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include "vdbeInt.h"

/*
................................................................................
  int i = pOp->p2;
  rc = AggInFocus(&p->agg, &pFocus);
  if( rc!=SQLITE_OK ) goto abort_due_to_error;
  if( pFocus==0 ) goto no_mem;
  assert( i>=0 && i<p->agg.nMem );
  pTos++;
  sqlite3VdbeMemShallowCopy(pTos, &pFocus->aMem[i], MEM_Ephem);
  assert( (pTos->flags & MEM_Str)==0 || pTos->enc==db->enc );
#if 0
  if( pTos->flags&MEM_Str ){
    sqlite3VdbeChangeEncoding(pTos, db->enc);
  }
#endif
  break;
}

/* Opcode: AggNext * P2 *
**
** Make the next aggregate value the current aggregate.  The prior
** aggregate is deleted.  If all aggregate values have been consumed,







|







 







<
<



<







39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
....
4315
4316
4317
4318
4319
4320
4321


4322
4323
4324

4325
4326
4327
4328
4329
4330
4331
**
** 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 1.411 2004/08/29 17:30:50 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include "vdbeInt.h"

/*
................................................................................
  int i = pOp->p2;
  rc = AggInFocus(&p->agg, &pFocus);
  if( rc!=SQLITE_OK ) goto abort_due_to_error;
  if( pFocus==0 ) goto no_mem;
  assert( i>=0 && i<p->agg.nMem );
  pTos++;
  sqlite3VdbeMemShallowCopy(pTos, &pFocus->aMem[i], MEM_Ephem);


  if( pTos->flags&MEM_Str ){
    sqlite3VdbeChangeEncoding(pTos, db->enc);
  }

  break;
}

/* Opcode: AggNext * P2 *
**
** Make the next aggregate value the current aggregate.  The prior
** aggregate is deleted.  If all aggregate values have been consumed,