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Overview
| Comment: | Change the OP_JournalMode implementation so that it works even if a substitute sqlite3PagerFilename() that might return NULL is used. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 491ff5fb2504173d6905e38b8ea35737 |
| User & Date: | drh 2011-10-17 23:15:31 |
Context
|
2011-10-18
| ||
| 12:44 | Fix a floating-point exception that can occur when an FTS4 query contains a large number of tokens connected by AND or NEAR operators. check-in: 3126754c user: dan tags: trunk | |
|
2011-10-17
| ||
| 23:15 | Change the OP_JournalMode implementation so that it works even if a substitute sqlite3PagerFilename() that might return NULL is used. check-in: 491ff5fb user: drh tags: trunk | |
| 20:41 | Avoid 32-bit integer overflow when evaluating the exponent of a floating point value during ascii to binary conversion. check-in: 4becc47e user: drh tags: trunk | |
Changes
Changes to src/vdbe.c.
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#ifndef SQLITE_OMIT_WAL
zFilename = sqlite3PagerFilename(pPager);
/* Do not allow a transition to journal_mode=WAL for a database
** in temporary storage or if the VFS does not support shared memory
*/
if( eNew==PAGER_JOURNALMODE_WAL
&& (zFilename[0]==0 /* Temp file */
|| !sqlite3PagerWalSupported(pPager)) /* No shared-memory support */
){
eNew = eOld;
}
if( (eNew!=eOld)
&& (eOld==PAGER_JOURNALMODE_WAL || eNew==PAGER_JOURNALMODE_WAL)
|
| |
5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 |
#ifndef SQLITE_OMIT_WAL zFilename = sqlite3PagerFilename(pPager); /* Do not allow a transition to journal_mode=WAL for a database ** in temporary storage or if the VFS does not support shared memory */ if( eNew==PAGER_JOURNALMODE_WAL && (sqlite3Strlen30(zFilename)==0 /* Temp file */ || !sqlite3PagerWalSupported(pPager)) /* No shared-memory support */ ){ eNew = eOld; } if( (eNew!=eOld) && (eOld==PAGER_JOURNALMODE_WAL || eNew==PAGER_JOURNALMODE_WAL) |