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Overview
| Comment: | Fix a pager bug introduced by the wal code. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | wal |
| Files: | files | file ages | folders |
| SHA1: |
4a0b29dc5e573a5d696ede17db5d7acf |
| User & Date: | dan 2010-04-13 11:18:40 |
Context
|
2010-04-13
| ||
| 11:35 | Fix test script issues preventing walthread.test from running. check-in: d90b1dde user: dan tags: wal | |
| 11:18 | Fix a pager bug introduced by the wal code. check-in: 4a0b29dc user: dan tags: wal | |
| 06:20 | Sync wal branch with [012cf101bf]. check-in: 9d690f24 user: dan tags: wal | |
Changes
Changes to src/pager.c.
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if( isOpen(pPager->jfd) || pPager->zJournal ){
isErrorReset = 1;
}
pPager->errCode = SQLITE_OK;
pager_reset(pPager);
}
if( pPager->noReadlock ){
assert( pPager->readOnly );
pPager->state = PAGER_SHARED;
}else{
rc = pager_wait_on_lock(pPager, SHARED_LOCK);
if( rc!=SQLITE_OK ){
assert( pPager->state==PAGER_UNLOCK );
return pager_error(pPager, rc);
}
}
assert( pPager->state>=SHARED_LOCK );
if( pagerUseLog(pPager) ){
int changed = 0;
rc = sqlite3LogOpenSnapshot(pPager->pLog, &changed);
if( rc==SQLITE_OK ){
if( changed ){
pager_reset(pPager);
assert( pPager->errCode || pPager->dbSizeValid==0 );
}
pPager->state = PAGER_SHARED;
................................................................................
rc = sqlite3PagerPagecount(pPager, &changed);
}
}else if( pPager->state==PAGER_UNLOCK || isErrorReset ){
sqlite3_vfs * const pVfs = pPager->pVfs;
int isHotJournal = 0;
assert( !MEMDB );
assert( sqlite3PcacheRefCount(pPager->pPCache)==0 );
/* If a journal file exists, and there is no RESERVED lock on the
** database file, then it either needs to be played back or deleted.
*/
if( !isErrorReset ){
assert( pPager->state <= PAGER_SHARED );
rc = hasHotJournal(pPager, &isHotJournal);
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if( isOpen(pPager->jfd) || pPager->zJournal ){
isErrorReset = 1;
}
pPager->errCode = SQLITE_OK;
pager_reset(pPager);
}
if( pagerUseLog(pPager) ){
int changed = 0;
/* TODO: Change the following block to grab a WAL read-lock. Or,
** combine obtaining the read-lock with LogOpenSnapshot()? */
rc = pager_wait_on_lock(pPager, SHARED_LOCK);
if( rc!=SQLITE_OK ){
assert( pPager->state==PAGER_UNLOCK );
return pager_error(pPager, rc);
}
rc = sqlite3LogOpenSnapshot(pPager->pLog, &changed);
if( rc==SQLITE_OK ){
if( changed ){
pager_reset(pPager);
assert( pPager->errCode || pPager->dbSizeValid==0 );
}
pPager->state = PAGER_SHARED;
................................................................................
rc = sqlite3PagerPagecount(pPager, &changed);
}
}else if( pPager->state==PAGER_UNLOCK || isErrorReset ){
sqlite3_vfs * const pVfs = pPager->pVfs;
int isHotJournal = 0;
assert( !MEMDB );
assert( sqlite3PcacheRefCount(pPager->pPCache)==0 );
if( pPager->noReadlock ){
assert( pPager->readOnly );
pPager->state = PAGER_SHARED;
}else{
rc = pager_wait_on_lock(pPager, SHARED_LOCK);
if( rc!=SQLITE_OK ){
assert( pPager->state==PAGER_UNLOCK );
return pager_error(pPager, rc);
}
}
assert( pPager->state>=SHARED_LOCK );
/* If a journal file exists, and there is no RESERVED lock on the
** database file, then it either needs to be played back or deleted.
*/
if( !isErrorReset ){
assert( pPager->state <= PAGER_SHARED );
rc = hasHotJournal(pPager, &isHotJournal);
|
Changes to test/quick.test.
97 98 99 100 101 102 103 104 105 106 107 108 109 110 |
incrvacuum_ioerr.test
autovacuum_crash.test
btree8.test
shared_err.test
vtab_err.test
veryquick.test
mallocAll.test
}
if {[sqlite3 -has-codec]} {
# lappend EXCLUDE \
# conflict.test
}
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> > > |
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 |
incrvacuum_ioerr.test autovacuum_crash.test btree8.test shared_err.test vtab_err.test veryquick.test mallocAll.test walslow.test walcrash.test } if {[sqlite3 -has-codec]} { # lappend EXCLUDE \ # conflict.test } |