700   Wal *pWal;                  /* Write-ahead log used by "journal_mode=wal" */  member
819   if( pPager->pWal ){  in sqlite3PagerDirectReadOk()
822     rc = sqlite3WalFindFrame(pPager->pWal, pgno, &iRead);  in sqlite3PagerDirectReadOk()
831 # define pagerUseWal(x) ((x)->pWal!=0)
1833     sqlite3WalEndReadTransaction(pPager->pWal);  in pager_unlock()
2112     rc2 = sqlite3WalEndWriteTransaction(pPager->pWal);  in pager_end_transaction()
2131    && (!pagerUseWal(pPager) || sqlite3WalExclusiveMode(pPager->pWal, 0))  in pager_end_transaction()
2979     rc = sqlite3WalFindFrame(pPager->pWal, pPg->pgno, &iFrame);  in readDbPage()
2983     rc = sqlite3WalReadFrame(pPager->pWal, iFrame,pPager->pageSize,pPg->pData);  in readDbPage()
3106   rc = sqlite3WalUndo(pPager->pWal, pagerUndoCallback, (void *)pPager);  in pagerRollbackWal()
3136   assert( pPager->pWal );  in pagerWalFrames()
3166   rc = sqlite3WalFrames(pPager->pWal,   in pagerWalFrames()
3205   sqlite3WalEndReadTransaction(pPager->pWal);  in pagerBeginReadTransaction()
3207   rc = sqlite3WalBeginReadTransaction(pPager->pWal, &changed);  in pagerBeginReadTransaction()
3239   nPage = sqlite3WalDbsize(pPager->pWal);  in pagerPagecount()
3444       rc = sqlite3WalSavepointUndo(pPager->pWal, pSavepoint->aWalData);  in pagerPlaybackSavepoint()
4123     assert( db || pPager->pWal==0 );  in sqlite3PagerClose()
4129     sqlite3WalClose(pPager->pWal, db, pPager->walSyncFlags, pPager->pageSize,a);  in sqlite3PagerClose()
4130     pPager->pWal = 0;  in sqlite3PagerClose()
5385     assert( pPager->pWal==0 || rc==SQLITE_OK );  in sqlite3PagerSharedLock()
5617     rc = sqlite3WalFindFrame(pPager->pWal, pgno, &iFrame);  in getPageMMap()
5865       if( pPager->exclusiveMode && sqlite3WalExclusiveMode(pPager->pWal, -1) ){  in sqlite3PagerBegin()
5870         (void)sqlite3WalExclusiveMode(pPager->pWal, 1);  in sqlite3PagerBegin()
5878       rc = sqlite3WalBeginWriteTransaction(pPager->pWal);  in sqlite3PagerBegin()
6879       sqlite3WalSavepoint(pPager->pWal, aNew[ii].aWalData);  in pagerOpenSavepoint()
7039   return pPager->pWal ? sqlite3WalFile(pPager->pWal) : pPager->jfd;  in sqlite3PagerJrnlFile()
7252   assert( pPager->exclusiveMode || 0==sqlite3WalHeapMemory(pPager->pWal) );  in sqlite3PagerLockingMode()
7253   if( eMode>=0 && !pPager->tempFile && !sqlite3WalHeapMemory(pPager->pWal) ){  in sqlite3PagerLockingMode()
7394     sqlite3WalLimit(pPager->pWal, iLimit);  in sqlite3PagerJournalSizeLimit()
7436   if( pPager->pWal==0 && pPager->journalMode==PAGER_JOURNALMODE_WAL ){  in sqlite3PagerCheckpoint()
7448   if( pPager->pWal ){  in sqlite3PagerCheckpoint()
7449     rc = sqlite3WalCheckpoint(pPager->pWal, db, eMode,  in sqlite3PagerCheckpoint()
7460   return sqlite3WalCallback(pPager->pWal);  in sqlite3PagerWalCallback()
7500   assert( pPager->pWal==0 && pPager->tempFile==0 );  in pagerOpenWal()
7518         pPager->journalSizeLimit, &pPager->pWal  in pagerOpenWal()
7552   assert( pbOpen!=0 || (!pPager->tempFile && !pPager->pWal) );  in sqlite3PagerOpenWal()
7554   if( !pPager->tempFile && !pPager->pWal ){  in sqlite3PagerOpenWal()
7590   if( !pPager->pWal ){  in sqlite3PagerCloseWal()
7606   if( rc==SQLITE_OK && pPager->pWal ){  in sqlite3PagerCloseWal()
7609       rc = sqlite3WalClose(pPager->pWal, db, pPager->walSyncFlags,  in sqlite3PagerCloseWal()
7611       pPager->pWal = 0;  in sqlite3PagerCloseWal()
7629     rc = sqlite3WalWriteLock(pPager->pWal, bLock);  in sqlite3PagerWalWriteLock()
7640     sqlite3WalDb(pPager->pWal, db);  in sqlite3PagerWalDb()
7652   if( pPager->pWal ){  in sqlite3PagerSnapshotGet()
7653     rc = sqlite3WalSnapshotGet(pPager->pWal, ppSnapshot);  in sqlite3PagerSnapshotGet()
7668   if( pPager->pWal ){  in sqlite3PagerSnapshotOpen()
7669     sqlite3WalSnapshotOpen(pPager->pWal, pSnapshot);  in sqlite3PagerSnapshotOpen()
7682   if( pPager->pWal ){  in sqlite3PagerSnapshotRecover()
7683     rc = sqlite3WalSnapshotRecover(pPager->pWal);  in sqlite3PagerSnapshotRecover()
7704   if( pPager->pWal ){  in sqlite3PagerSnapshotCheck()
7705     rc = sqlite3WalSnapshotCheck(pPager->pWal, pSnapshot);  in sqlite3PagerSnapshotCheck()
7717   assert( pPager->pWal );  in sqlite3PagerSnapshotUnlock()
7718   sqlite3WalSnapshotUnlock(pPager->pWal);  in sqlite3PagerSnapshotUnlock()
7734   return sqlite3WalFramesize(pPager->pWal);  in sqlite3PagerWalFramesize()