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Overview
| Comment: | Fix a problem with calculating the required size of the wal-index when appending frames. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | wal |
| Files: | files | file ages | folders |
| SHA1: |
9526b11130f3ed2f5227386a26263c76 |
| User & Date: | dan 2010-04-30 16:50:00 |
Context
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2010-04-30
| ||
| 17:05 | Fix a problem with resizing the wal-index mapping after the mapping has been extended by an external process. check-in: 79d356fe user: dan tags: wal | |
| 16:50 | Fix a problem with calculating the required size of the wal-index when appending frames. check-in: 9526b111 user: dan tags: wal | |
| 16:48 | In the debugging output for SHM-LOCK in os_unix.c, use symbolic names for the lock states rather than raw numbers. check-in: 2afc33de user: drh tags: wal | |
Changes
Changes to src/wal.c.
429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 |
** the previous call), but that restriction is not enforced or asserted
** here.
*/
static int walIndexAppend(Wal *pWal, u32 iFrame, u32 iPage){
u32 iSlot = walIndexEntry(iFrame);
walIndexMap(pWal, -1);
while( (iSlot+128)>=pWal->szWIndex ){
int rc;
int nByte = pWal->szWIndex*4 + WALINDEX_MMAP_INCREMENT;
/* Enlarge the storage, then remap it. */
rc = walIndexRemap(pWal, nByte);
if( rc!=SQLITE_OK ){
return rc;
}
}
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| | |
429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 |
** the previous call), but that restriction is not enforced or asserted
** here.
*/
static int walIndexAppend(Wal *pWal, u32 iFrame, u32 iPage){
u32 iSlot = walIndexEntry(iFrame);
walIndexMap(pWal, -1);
while( ((iSlot+128)*sizeof(u32))>=pWal->szWIndex ){
int rc;
int nByte = pWal->szWIndex + WALINDEX_MMAP_INCREMENT;
/* Enlarge the storage, then remap it. */
rc = walIndexRemap(pWal, nByte);
if( rc!=SQLITE_OK ){
return rc;
}
}
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