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Add an alternative application-defined pcache implementation and add test

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cases to permutations.test to invoke it.  Added the SQLITE_CONFIG_GETPCACHE
method to sqlite3_config(). (CVS 5920)

FossilOrigin-Name: 16f1e6ec2ad92f68c0079a0c2b5ca08a3b4af816
This commit is contained in:
drh
2008-11-19 01:20:26 +00:00
parent 4c6517848f
commit b232c23297
9 changed files with 606 additions and 19 deletions
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10
src/main.c
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@@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.512 2008/11/13 14:28:29 danielk1977 Exp $
** $Id: main.c,v 1.513 2008/11/19 01:20:26 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -315,6 +315,14 @@ int sqlite3_config(int op, ...){
break;
}
case SQLITE_CONFIG_GETPCACHE: {
if( sqlite3GlobalConfig.pcache.xInit==0 ){
sqlite3PCacheSetDefault();
}
*va_arg(ap, sqlite3_pcache_methods*) = sqlite3GlobalConfig.pcache;
break;
}
#if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5)
case SQLITE_CONFIG_HEAP: {
/* Designate a buffer for heap memory space */