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Ensure that the Pager.changeCountDone flag is cleared whenever dropping

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the write lock, even when transitioning from EXCLUSIVE locking mode into
NORMAL locking mode while in WAL mode.  Ticket [fb3b3024ea238d5c].

FossilOrigin-Name: 846b1de6e5a9e418f225273dc033234c64c116fcd89c8261522b4902c248451f
This commit is contained in:
drh
2019-12-27 01:50:46 +00:00
parent 8d7f44c03a
commit fce8165ec6
4 changed files with 27 additions and 10 deletions
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3
src/pager.c
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@@ -1172,6 +1172,7 @@ static int pagerUnlockDb(Pager *pPager, int eLock){
}
IOTRACE(("UNLOCK %p %d\n", pPager, eLock))
}
pPager->changeCountDone = pPager->tempFile; /* ticket fb3b3024ea238d5c */
return rc;
}
@@ -1893,7 +1894,6 @@ static void pager_unlock(Pager *pPager){
** code is cleared and the cache reset in the block below.
*/
assert( pPager->errCode || pPager->eState!=PAGER_ERROR );
pPager->changeCountDone = 0;
pPager->eState = PAGER_OPEN;
}
@@ -2157,7 +2157,6 @@ static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){
&& (!pagerUseWal(pPager) || sqlite3WalExclusiveMode(pPager->pWal, 0))
){
rc2 = pagerUnlockDb(pPager, SHARED_LOCK);
pPager->changeCountDone = 0;
}
pPager->eState = PAGER_READER;
pPager->setMaster = 0;