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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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8
src/vdbeblob.c
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@@ -12,7 +12,7 @@
**
** This file contains code used to implement incremental BLOB I/O.
**
** $Id: vdbeblob.c,v 1.24 2008/07/10 00:32:42 drh Exp $
** $Id: vdbeblob.c,v 1.25 2008/07/28 19:34:54 drh Exp $
*/
#include "sqliteInt.h"
@@ -117,7 +117,7 @@ int sqlite3_blob_open(
if( sParse.zErrMsg ){
sqlite3_snprintf(sizeof(zErr), zErr, "%s", sParse.zErrMsg);
}
sqlite3_free(sParse.zErrMsg);
sqlite3DbFree(db, sParse.zErrMsg);
rc = SQLITE_ERROR;
(void)sqlite3SafetyOff(db);
sqlite3BtreeLeaveAll(db);
@@ -229,7 +229,7 @@ int sqlite3_blob_open(
}
pBlob = (Incrblob *)sqlite3DbMallocZero(db, sizeof(Incrblob));
if( db->mallocFailed ){
sqlite3_free(pBlob);
sqlite3DbFree(db, pBlob);
goto blob_open_out;
}
pBlob->flags = flags;
@@ -268,7 +268,7 @@ int sqlite3_blob_close(sqlite3_blob *pBlob){
int rc;
rc = sqlite3_finalize(p->pStmt);
sqlite3_free(p);
sqlite3DbFree(p->db, p);
return rc;
}