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Changes to reduce the heap space consumed by triggers, views and tables in the in-memory representation of the schema. Also to reduce the space used by prepared statements slightly. (CVS 6305)

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FossilOrigin-Name: d9f6ffbc5ea090ba0daac571fc9a6c68b9c864e4
This commit is contained in:
danielk1977
2009-02-19 14:39:25 +00:00
parent 076d4661a6
commit 6ab3a2ec8a
27 changed files with 664 additions and 366 deletions
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6
src/update.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle UPDATE statements.
**
** $Id: update.c,v 1.191 2008/12/23 23:56:22 drh Exp $
** $Id: update.c,v 1.192 2009/02/19 14:39:25 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -633,12 +633,12 @@ static void updateVirtualTable(
sqlite3CreateIdExpr(pParse, "_rowid_"), 0);
if( pRowid ){
pEList = sqlite3ExprListAppend(pParse, pEList,
sqlite3ExprDup(db, pRowid), 0);
sqlite3ExprDup(db, pRowid, 0), 0);
}
assert( pTab->iPKey<0 );
for(i=0; i<pTab->nCol; i++){
if( aXRef[i]>=0 ){
pExpr = sqlite3ExprDup(db, pChanges->a[aXRef[i]].pExpr);
pExpr = sqlite3ExprDup(db, pChanges->a[aXRef[i]].pExpr, 0);
}else{
pExpr = sqlite3CreateIdExpr(pParse, pTab->aCol[i].zName);
}