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Overview
Comment:Fix pager_end_transaction() to ensure that a ROLLBACK does not clobber unwritten pages in a TEMP file pcache.
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SHA1: 9495d33879221c1821331dc72c61a6a3d182f526
User & Date: drh 2016-05-13 11:50:00.812
Context
2016-05-13
12:12
Clarification of the pagerFlushOnCommit() logic. (check-in: 3401d9dcdb user: drh tags: trunk)
11:50
Fix pager_end_transaction() to ensure that a ROLLBACK does not clobber unwritten pages in a TEMP file pcache. (check-in: 9495d33879 user: drh tags: trunk)
04:24
Additional debugging and tracing logic for pcache.c, turned off by default using an "#if 0". (check-in: 32a62e3bd4 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/pager.c.
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  }
#endif

  sqlite3BitvecDestroy(pPager->pInJournal);
  pPager->pInJournal = 0;
  pPager->nRec = 0;
  if( rc==SQLITE_OK ){
    if( pagerFlushOnCommit(pPager) ){
      sqlite3PcacheCleanAll(pPager->pPCache);
    }else{
      sqlite3PcacheClearWritable(pPager->pPCache);
    }
    sqlite3PcacheTruncate(pPager->pPCache, pPager->dbSize);
  }









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  }
#endif

  sqlite3BitvecDestroy(pPager->pInJournal);
  pPager->pInJournal = 0;
  pPager->nRec = 0;
  if( rc==SQLITE_OK ){
    if( !pPager->tempFile || (bCommit && pagerFlushOnCommit(pPager)) ){
      sqlite3PcacheCleanAll(pPager->pPCache);
    }else{
      sqlite3PcacheClearWritable(pPager->pPCache);
    }
    sqlite3PcacheTruncate(pPager->pPCache, pPager->dbSize);
  }
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