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Overview
| Comment: | Three small optimizations to vdbeaux.c. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
04892f8ba6c55cec4fe37bfe59b6349f |
| User & Date: | drh 2014-10-13 17:42:05 |
Context
|
2014-10-13
| ||
| 20:12 | Use the padding word in the Mem object as temporary storage for serial_type value in OP_Record, and thus avoid a redundant computation of the serial_type for each column. check-in: 4b3b65ee user: drh tags: trunk | |
| 18:09 | Merge trunk changes into this branch. check-in: d5b7c5a8 user: dan tags: defrag-opt | |
| 17:42 | Three small optimizations to vdbeaux.c. check-in: 04892f8b user: drh tags: trunk | |
| 16:02 | Reduce the CPU load imposed by sqlit3VdbeCursorMoveto() by factoring out some of its functions and by avoiding unnecessary calls. check-in: c2799aec user: drh tags: trunk | |
Changes
Changes to src/vdbeaux.c.
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sqlite3BtreeClose(pCx->pBt);
/* The pCx->pCursor will be close automatically, if it exists, by
** the call above. */
}else if( pCx->pCursor ){
sqlite3BtreeCloseCursor(pCx->pCursor);
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
if( pCx->pVtabCursor ){
sqlite3_vtab_cursor *pVtabCursor = pCx->pVtabCursor;
const sqlite3_module *pModule = pVtabCursor->pVtab->pModule;
p->inVtabMethod = 1;
pModule->xClose(pVtabCursor);
p->inVtabMethod = 0;
}
#endif
................................................................................
** open cursors.
*/
static void closeAllCursors(Vdbe *p){
if( p->pFrame ){
VdbeFrame *pFrame;
for(pFrame=p->pFrame; pFrame->pParent; pFrame=pFrame->pParent);
sqlite3VdbeFrameRestore(pFrame);
}
p->pFrame = 0;
p->nFrame = 0;
if( p->apCsr ){
int i;
for(i=0; i<p->nCursor; i++){
VdbeCursor *pC = p->apCsr[i];
if( pC ){
sqlite3VdbeFreeCursor(p, pC);
................................................................................
while( p->pDelFrame ){
VdbeFrame *pDel = p->pDelFrame;
p->pDelFrame = pDel->pParent;
sqlite3VdbeFrameDelete(pDel);
}
/* Delete any auxdata allocations made by the VM */
sqlite3VdbeDeleteAuxData(p, -1, 0);
assert( p->pAuxData==0 );
}
/*
** Clean up the VM after a single run.
*/
static void Cleanup(Vdbe *p){
|
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sqlite3BtreeClose(pCx->pBt);
/* The pCx->pCursor will be close automatically, if it exists, by
** the call above. */
}else if( pCx->pCursor ){
sqlite3BtreeCloseCursor(pCx->pCursor);
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
else if( pCx->pVtabCursor ){
sqlite3_vtab_cursor *pVtabCursor = pCx->pVtabCursor;
const sqlite3_module *pModule = pVtabCursor->pVtab->pModule;
p->inVtabMethod = 1;
pModule->xClose(pVtabCursor);
p->inVtabMethod = 0;
}
#endif
................................................................................
** open cursors.
*/
static void closeAllCursors(Vdbe *p){
if( p->pFrame ){
VdbeFrame *pFrame;
for(pFrame=p->pFrame; pFrame->pParent; pFrame=pFrame->pParent);
sqlite3VdbeFrameRestore(pFrame);
p->pFrame = 0;
p->nFrame = 0;
}
assert( p->nFrame==0 );
if( p->apCsr ){
int i;
for(i=0; i<p->nCursor; i++){
VdbeCursor *pC = p->apCsr[i];
if( pC ){
sqlite3VdbeFreeCursor(p, pC);
................................................................................
while( p->pDelFrame ){
VdbeFrame *pDel = p->pDelFrame;
p->pDelFrame = pDel->pParent;
sqlite3VdbeFrameDelete(pDel);
}
/* Delete any auxdata allocations made by the VM */
if( p->pAuxData ) sqlite3VdbeDeleteAuxData(p, -1, 0);
assert( p->pAuxData==0 );
}
/*
** Clean up the VM after a single run.
*/
static void Cleanup(Vdbe *p){
|