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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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8
src/delete.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** in order to generate code for DELETE FROM statements.
**
** $Id: delete.c,v 1.191 2008/12/23 23:56:22 drh Exp $
** $Id: delete.c,v 1.192 2009/02/19 14:39:25 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -99,12 +99,12 @@ void sqlite3MaterializeView(
Select *pDup;
sqlite3 *db = pParse->db;
pDup = sqlite3SelectDup(db, pView->pSelect);
pDup = sqlite3SelectDup(db, pView->pSelect, 0);
if( pWhere ){
SrcList *pFrom;
Token viewName;
pWhere = sqlite3ExprDup(db, pWhere);
pWhere = sqlite3ExprDup(db, pWhere, 0);
viewName.z = (u8*)pView->zName;
viewName.n = (unsigned int)sqlite3Strlen30((const char*)viewName.z);
pFrom = sqlite3SrcListAppendFromTerm(pParse, 0, 0, 0, &viewName, pDup, 0,0);
@@ -174,7 +174,7 @@ Expr *sqlite3LimitWhere(
/* duplicate the FROM clause as it is needed by both the DELETE/UPDATE tree
** and the SELECT subtree. */
pSelectSrc = sqlite3SrcListDup(pParse->db, pSrc);
pSelectSrc = sqlite3SrcListDup(pParse->db, pSrc, 0);
if( pSelectSrc == 0 ) {
sqlite3ExprListDelete(pParse->db, pEList);
goto limit_where_cleanup_2;