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Implement the "lookaside" memory allocation cache. Use of this cache makes

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the speed1.test script run about 15% faster.  Added new interfaces to
control the cache. (CVS 5488)

FossilOrigin-Name: e48f9697e9fea339e150ddc32940760027dd07d9
This commit is contained in:
drh
2008-07-28 19:34:53 +00:00
parent 78bd9ca86f
commit 633e6d57d9
50 changed files with 999 additions and 624 deletions
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4
src/vdbeapi.c
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@@ -13,7 +13,7 @@
** This file contains code use to implement APIs that are part of the
** VDBE.
**
** $Id: vdbeapi.c,v 1.135 2008/07/23 21:07:25 drh Exp $
** $Id: vdbeapi.c,v 1.136 2008/07/28 19:34:54 drh Exp $
*/
#include "sqliteInt.h"
#include "vdbeInt.h"
@@ -556,7 +556,7 @@ int sqlite3_step(sqlite3_stmt *pStmt){
** sqlite3_errmsg() and sqlite3_errcode().
*/
const char *zErr = (const char *)sqlite3_value_text(db->pErr);
sqlite3_free(v->zErrMsg);
sqlite3DbFree(db, v->zErrMsg);
if( !db->mallocFailed ){
v->zErrMsg = sqlite3DbStrDup(db, zErr);
} else {