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Overview
| Comment: | Make sure the destination WhereLoop is left in a sane state when an OOM fault occurs inside of whereLoopXfer(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
a99a53b81e29c9514b85318bea028d16 |
| User & Date: | drh 2013-09-06 00:40:59 |
Context
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2013-09-06
| ||
| 13:10 | Combine the FuncDef.iPrefEnc and FuncDef.flags fields into a single new FuncDef.funcFlags field. check-in: 97b10e66 user: drh tags: trunk | |
| 00:40 | Make sure the destination WhereLoop is left in a sane state when an OOM fault occurs inside of whereLoopXfer(). check-in: a99a53b8 user: drh tags: trunk | |
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2013-09-05
| ||
| 18:40 | When preparing an UPDATE statement, avoid generating VDBE code for those foreign key related actions and constraint checks that may be seen to be unnecessary by considering the subset of table columns potentially modified by the UPDATE. check-in: e940b5de user: dan tags: trunk | |
Changes
Changes to src/where.c.
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return SQLITE_OK;
}
/*
** Transfer content from the second pLoop into the first.
*/
static int whereLoopXfer(sqlite3 *db, WhereLoop *pTo, WhereLoop *pFrom){
if( whereLoopResize(db, pTo, pFrom->nLTerm) ) return SQLITE_NOMEM;
whereLoopClearUnion(db, pTo);
memcpy(pTo, pFrom, WHERE_LOOP_XFER_SZ);
memcpy(pTo->aLTerm, pFrom->aLTerm, pTo->nLTerm*sizeof(pTo->aLTerm[0]));
if( pFrom->wsFlags & WHERE_VIRTUALTABLE ){
pFrom->u.vtab.needFree = 0;
}else if( (pFrom->wsFlags & WHERE_AUTO_INDEX)!=0 ){
pFrom->u.btree.pIndex = 0;
}
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< > > > > |
4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 |
return SQLITE_OK;
}
/*
** Transfer content from the second pLoop into the first.
*/
static int whereLoopXfer(sqlite3 *db, WhereLoop *pTo, WhereLoop *pFrom){
whereLoopClearUnion(db, pTo);
if( whereLoopResize(db, pTo, pFrom->nLTerm) ){
memset(&pTo->u, 0, sizeof(pTo->u));
return SQLITE_NOMEM;
}
memcpy(pTo, pFrom, WHERE_LOOP_XFER_SZ);
memcpy(pTo->aLTerm, pFrom->aLTerm, pTo->nLTerm*sizeof(pTo->aLTerm[0]));
if( pFrom->wsFlags & WHERE_VIRTUALTABLE ){
pFrom->u.vtab.needFree = 0;
}else if( (pFrom->wsFlags & WHERE_AUTO_INDEX)!=0 ){
pFrom->u.btree.pIndex = 0;
}
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