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Remove the Table.dbMem variable, as it is no longer being used for its original purpose.

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FossilOrigin-Name: 6eddc6e601cf8f585c6c2cf79f36fcbfe98a307e
This commit is contained in:
dan
2010-07-23 15:41:47 +00:00
parent 1dcb9df43f
commit 1feeaed291
12 changed files with 53 additions and 66 deletions
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4
src/select.c
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@@ -1300,14 +1300,13 @@ Table *sqlite3ResultSetOfSelect(Parse *pParse, Select *pSelect){
/* The sqlite3ResultSetOfSelect() is only used n contexts where lookaside
** is disabled, so we might as well hard-code pTab->dbMem to NULL. */
assert( db->lookaside.bEnabled==0 );
pTab->dbMem = 0;
pTab->nRef = 1;
pTab->zName = 0;
selectColumnsFromExprList(pParse, pSelect->pEList, &pTab->nCol, &pTab->aCol);
selectAddColumnTypeAndCollation(pParse, pTab->nCol, pTab->aCol, pSelect);
pTab->iPKey = -1;
if( db->mallocFailed ){
sqlite3DeleteTable(pTab);
sqlite3DeleteTable(db, pTab);
return 0;
}
return pTab;
@@ -3096,7 +3095,6 @@ static int selectExpander(Walker *pWalker, Select *p){
sqlite3WalkSelect(pWalker, pSel);
pFrom->pTab = pTab = sqlite3DbMallocZero(db, sizeof(Table));
if( pTab==0 ) return WRC_Abort;
pTab->dbMem = db->lookaside.bEnabled ? db : 0;
pTab->nRef = 1;
pTab->zName = sqlite3MPrintf(db, "sqlite_subquery_%p_", (void*)pTab);
while( pSel->pPrior ){ pSel = pSel->pPrior; }