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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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14
src/tokenize.c
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@@ -15,7 +15,7 @@
** individual tokens and sends those tokens one-by-one over to the
** parser for analysis.
**
** $Id: tokenize.c,v 1.147 2008/07/25 15:39:04 drh Exp $
** $Id: tokenize.c,v 1.148 2008/07/28 19:34:54 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -427,7 +427,7 @@ int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzErrMsg){
break;
}
case TK_ILLEGAL: {
sqlite3_free(*pzErrMsg);
sqlite3DbFree(db, *pzErrMsg);
*pzErrMsg = sqlite3MPrintf(db, "unrecognized token: \"%T\"",
&pParse->sLastToken);
nErr++;
@@ -471,7 +471,7 @@ abort_parse:
if( *pzErrMsg==0 ){
*pzErrMsg = pParse->zErrMsg;
}else{
sqlite3_free(pParse->zErrMsg);
sqlite3DbFree(db, pParse->zErrMsg);
}
pParse->zErrMsg = 0;
nErr++;
@@ -482,13 +482,13 @@ abort_parse:
}
#ifndef SQLITE_OMIT_SHARED_CACHE
if( pParse->nested==0 ){
sqlite3_free(pParse->aTableLock);
sqlite3DbFree(db, pParse->aTableLock);
pParse->aTableLock = 0;
pParse->nTableLock = 0;
}
#endif
#ifndef SQLITE_OMIT_VIRTUALTABLE
sqlite3_free(pParse->apVtabLock);
sqlite3DbFree(db, pParse->apVtabLock);
#endif
if( !IN_DECLARE_VTAB ){
@@ -499,8 +499,8 @@ abort_parse:
sqlite3DeleteTable(pParse->pNewTable);
}
sqlite3DeleteTrigger(pParse->pNewTrigger);
sqlite3_free(pParse->apVarExpr);
sqlite3DeleteTrigger(db, pParse->pNewTrigger);
sqlite3DbFree(db, pParse->apVarExpr);
if( nErr>0 && (pParse->rc==SQLITE_OK || pParse->rc==SQLITE_DONE) ){
pParse->rc = SQLITE_ERROR;
}