diff options
Diffstat (limited to 'src/pager.c')
| -rw-r--r-- | src/pager.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/pager.c b/src/pager.c index 1423b6654..5c2d556b3 100644 --- a/src/pager.c +++ b/src/pager.c @@ -2161,6 +2161,9 @@ static int pager_end_transaction(Pager *pPager, int hasSuper, int bCommit){ return (rc==SQLITE_OK?rc2:rc); } +/* Forward reference */ +static int pager_playback(Pager *pPager, int isHot); + /* ** Execute a rollback if a transaction is active and unlock the ** database file. @@ -2189,6 +2192,21 @@ static void pagerUnlockAndRollback(Pager *pPager){ assert( pPager->eState==PAGER_READER ); pager_end_transaction(pPager, 0, 0); } + }else if( pPager->eState==PAGER_ERROR + && pPager->journalMode==PAGER_JOURNALMODE_MEMORY + && isOpen(pPager->jfd) + ){ + /* Special case for a ROLLBACK due to I/O error with an in-memory + ** journal: We have to rollback immediately, before the journal is + ** closed, because once it is closed, all content is forgotten. */ + int errCode = pPager->errCode; + u8 eLock = pPager->eLock; + pPager->eState = PAGER_OPEN; + pPager->errCode = SQLITE_OK; + pPager->eLock = EXCLUSIVE_LOCK; + pager_playback(pPager, 1); + pPager->errCode = errCode; + pPager->eLock = eLock; } pager_unlock(pPager); } @@ -5681,8 +5699,20 @@ int sqlite3PagerGet( DbPage **ppPage, /* Write a pointer to the page here */ int flags /* PAGER_GET_XXX flags */ ){ - /* printf("PAGE %u\n", pgno); fflush(stdout); */ +#if 0 /* Trace page fetch by setting to 1 */ + int rc; + printf("PAGE %u\n", pgno); + fflush(stdout); + rc = pPager->xGet(pPager, pgno, ppPage, flags); + if( rc ){ + printf("PAGE %u failed with 0x%02x\n", pgno, rc); + fflush(stdout); + } + return rc; +#else + /* Normal, high-speed version of sqlite3PagerGet() */ return pPager->xGet(pPager, pgno, ppPage, flags); +#endif } /* |