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Overview
Comment:Increase the size of bitvec objects to 1024 bytes on 64-bit systems.
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SHA1: f1272b90f6078d301ab05592593e9415f2b2b90b
User & Date: drh 2009-09-09 12:41:18.000
Context
2009-09-09
14:17
Added SQLITE_OPEN_SHAREDCACHE and SQLITE_OPEN_PRIVATECACHE flags as possibilities to sqlite3_open_v2(), to override the global shared cache mode setting. Ticket [9fd0bc36639c15] (check-in: f509eb8b48 user: drh tags: trunk)
12:41
Increase the size of bitvec objects to 1024 bytes on 64-bit systems. (check-in: f1272b90f6 user: drh tags: trunk)
11:43
Add a test case to show that 29ab7be99f is fixed. (check-in: 135d656a20 user: dan tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/bitvec.c.
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** but can be as large as 2 billion for a really big database.
**
** @(#) $Id: bitvec.c,v 1.17 2009/07/25 17:33:26 drh Exp $
*/
#include "sqliteInt.h"

/* Size of the Bitvec structure in bytes. */
#define BITVEC_SZ        512

/* Round the union size down to the nearest pointer boundary, since that's how 
** it will be aligned within the Bitvec struct. */
#define BITVEC_USIZE     (((BITVEC_SZ-(3*sizeof(u32)))/sizeof(Bitvec*))*sizeof(Bitvec*))

/* Type of the array "element" for the bitmap representation. 
** Should be a power of 2, and ideally, evenly divide into BITVEC_USIZE. 








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** but can be as large as 2 billion for a really big database.
**
** @(#) $Id: bitvec.c,v 1.17 2009/07/25 17:33:26 drh Exp $
*/
#include "sqliteInt.h"

/* Size of the Bitvec structure in bytes. */
#define BITVEC_SZ        (sizeof(void*)*128)  /* 512 on 32bit.  1024 on 64bit */

/* Round the union size down to the nearest pointer boundary, since that's how 
** it will be aligned within the Bitvec struct. */
#define BITVEC_USIZE     (((BITVEC_SZ-(3*sizeof(u32)))/sizeof(Bitvec*))*sizeof(Bitvec*))

/* Type of the array "element" for the bitmap representation. 
** Should be a power of 2, and ideally, evenly divide into BITVEC_USIZE.
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