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Overview
| Comment: | Fix a harmless compiler warning that arose from the ENABLE_CURSOR_HINTS fix of check-in [0af18674ca5b34e67e] |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | f578e62ae6f6cc78d8281adab9fa93f3 |
| User & Date: | drh 2018-09-12 00:21:11 |
Context
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2018-09-12
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| 00:48 | For MSVC, migrate some commonly used shell compilation options to the library. check-in: 68a71e5f user: mistachkin tags: trunk | |
| 00:21 | Fix a harmless compiler warning that arose from the ENABLE_CURSOR_HINTS fix of check-in [0af18674ca5b34e67e] check-in: f578e62a user: drh tags: trunk | |
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2018-09-11
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| 19:05 | Do not do the byte-by-byte modifications in the resetdb.test script if the reserved-byte flag in the DB header is non-zero, because in that case the bytes will be in the wrong place and the test won't work. check-in: 0af18674 user: drh tags: trunk | |
Changes
Changes to src/vdbeaux.c.
3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 |
/* If the VM did not run to completion or if it encountered an
** error, then it might not have been halted properly. So halt
** it now.
*/
sqlite3VdbeHalt(p);
/* If the VDBE has be run even partially, then transfer the error code
** and error message from the VDBE into the main database structure. But
** if the VDBE has just been set to run but has not actually executed any
** instructions yet, leave the main database error information unchanged.
*/
if( p->pc>=0 ){
vdbeInvokeSqllog(p);
sqlite3VdbeTransferError(p);
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| |
3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 |
/* If the VM did not run to completion or if it encountered an
** error, then it might not have been halted properly. So halt
** it now.
*/
sqlite3VdbeHalt(p);
/* If the VDBE has been run even partially, then transfer the error code
** and error message from the VDBE into the main database structure. But
** if the VDBE has just been set to run but has not actually executed any
** instructions yet, leave the main database error information unchanged.
*/
if( p->pc>=0 ){
vdbeInvokeSqllog(p);
sqlite3VdbeTransferError(p);
|
Changes to src/wal.c.
2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 |
** it takes a snapshot of the state of the WAL and wal-index for the current
** instant in time. The current thread will continue to use this snapshot.
** Other threads might append new content to the WAL and wal-index but
** that extra content is ignored by the current thread.
**
** If the database contents have changes since the previous read
** transaction, then *pChanged is set to 1 before returning. The
** Pager layer will use this to know that is cache is stale and
** needs to be flushed.
*/
int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){
int rc; /* Return code */
int cnt = 0; /* Number of TryBeginRead attempts */
#ifdef SQLITE_ENABLE_SNAPSHOT
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| |
2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 |
** it takes a snapshot of the state of the WAL and wal-index for the current
** instant in time. The current thread will continue to use this snapshot.
** Other threads might append new content to the WAL and wal-index but
** that extra content is ignored by the current thread.
**
** If the database contents have changes since the previous read
** transaction, then *pChanged is set to 1 before returning. The
** Pager layer will use this to know that its cache is stale and
** needs to be flushed.
*/
int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){
int rc; /* Return code */
int cnt = 0; /* Number of TryBeginRead attempts */
#ifdef SQLITE_ENABLE_SNAPSHOT
|
Changes to src/wherecode.c.
880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 |
** an access of the index rather than the original table.
*/
static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){
int rc = WRC_Continue;
struct CCurHint *pHint = pWalker->u.pCCurHint;
if( pExpr->op==TK_COLUMN ){
if( pExpr->iTable!=pHint->iTabCur ){
Vdbe *v = pWalker->pParse->pVdbe;
int reg = ++pWalker->pParse->nMem; /* Register for column value */
sqlite3ExprCode(pWalker->pParse, pExpr, reg);
pExpr->op = TK_REGISTER;
pExpr->iTable = reg;
}else if( pHint->pIdx!=0 ){
pExpr->iTable = pHint->iIdxCur;
pExpr->iColumn = sqlite3ColumnOfIndex(pHint->pIdx, pExpr->iColumn);
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< |
880 881 882 883 884 885 886 887 888 889 890 891 892 893 |
** an access of the index rather than the original table.
*/
static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){
int rc = WRC_Continue;
struct CCurHint *pHint = pWalker->u.pCCurHint;
if( pExpr->op==TK_COLUMN ){
if( pExpr->iTable!=pHint->iTabCur ){
int reg = ++pWalker->pParse->nMem; /* Register for column value */
sqlite3ExprCode(pWalker->pParse, pExpr, reg);
pExpr->op = TK_REGISTER;
pExpr->iTable = reg;
}else if( pHint->pIdx!=0 ){
pExpr->iTable = pHint->iIdxCur;
pExpr->iColumn = sqlite3ColumnOfIndex(pHint->pIdx, pExpr->iColumn);
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