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Overview
| Comment: | For the vtshim module, always zero out the xChildDestroy function pointer after calling it. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 240f7252c66ad3ff5ae0ef06455c1ff9 |
| User & Date: | mistachkin 2013-08-05 21:54:17 |
Context
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2013-08-05
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| 22:05 | Performance optimization: Avoid calling convertCompoundSelecctToSubquery() on queries that do not use the UNION, EXCEPT, or INTERSECT operators. check-in: c589b2fe user: drh tags: trunk | |
| 21:54 | For the vtshim module, always zero out the xChildDestroy function pointer after calling it. check-in: 240f7252 user: mistachkin tags: trunk | |
| 19:11 | Factor all KeyInfo object allocations into a single function: sqlite3KeyInfoAlloc(). Always allocate enough space so that sqlite3VdbeRecordCompare() can avoid checking boundaries and hence run faster. check-in: 7301bedd user: drh tags: trunk | |
Changes
Changes to ext/misc/vtshim.c.
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/* The destructor function for a disposible module */
static void vtshimAuxDestructor(void *pXAux){
vtshim_aux *pAux = (vtshim_aux*)pXAux;
assert( pAux->pAllVtab==0 );
if( !pAux->bDisposed && pAux->xChildDestroy ){
pAux->xChildDestroy(pAux->pChildAux);
}
sqlite3_free(pAux->zName);
sqlite3_free(pAux->pMod);
sqlite3_free(pAux);
}
static int vtshimCopyModule(
................................................................................
for(pVtab=pAux->pAllVtab; pVtab; pVtab=pVtab->pNext){
for(pCur=pVtab->pAllCur; pCur; pCur=pCur->pNext){
pAux->pMod->xClose(pCur->pChild);
}
pAux->pMod->xDisconnect(pVtab->pChild);
}
pAux->bDisposed = 1;
if( pAux->xChildDestroy ) pAux->xChildDestroy(pAux->pChildAux);
}
}
#endif /* SQLITE_OMIT_VIRTUALTABLE */
#ifdef _WIN32
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/* The destructor function for a disposible module */
static void vtshimAuxDestructor(void *pXAux){
vtshim_aux *pAux = (vtshim_aux*)pXAux;
assert( pAux->pAllVtab==0 );
if( !pAux->bDisposed && pAux->xChildDestroy ){
pAux->xChildDestroy(pAux->pChildAux);
pAux->xChildDestroy = 0;
}
sqlite3_free(pAux->zName);
sqlite3_free(pAux->pMod);
sqlite3_free(pAux);
}
static int vtshimCopyModule(
................................................................................
for(pVtab=pAux->pAllVtab; pVtab; pVtab=pVtab->pNext){
for(pCur=pVtab->pAllCur; pCur; pCur=pCur->pNext){
pAux->pMod->xClose(pCur->pChild);
}
pAux->pMod->xDisconnect(pVtab->pChild);
}
pAux->bDisposed = 1;
if( pAux->xChildDestroy ){
pAux->xChildDestroy(pAux->pChildAux);
pAux->xChildDestroy = 0;
}
}
}
#endif /* SQLITE_OMIT_VIRTUALTABLE */
#ifdef _WIN32
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