SQLite

Check-in [a1040f0397]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Ensure that a checkpoint does not use an out-of-date mapping.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | experimental-mmap
Files: files | file ages | folders
SHA1: a1040f0397d57855500926494c978623286ddc77
User & Date: dan 2013-04-01 16:56:41.264
Context
2013-04-01
17:22
Add xFetch and xUnfetch methods to the os_win.c VFS. (check-in: a1653a257d user: drh tags: experimental-mmap)
16:56
Ensure that a checkpoint does not use an out-of-date mapping. (check-in: a1040f0397 user: dan tags: experimental-mmap)
14:35
Fix a typo in a log message in wal.c. (check-in: 83fc48d165 user: dan tags: experimental-mmap)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/wal.c.
︙︙
2952
2953
2954
2955
2956
2957
2958



2959
2960
2961
2962
2963
2964
2965

      rc = SQLITE_OK;
    }
  }

  /* Read the wal-index header. */
  if( rc==SQLITE_OK ){
    rc = walIndexReadHdr(pWal, &isChanged);



  }

  /* Copy data from the log to the database file. */
  if( rc==SQLITE_OK ){
    if( pWal->hdr.mxFrame && walPagesize(pWal)!=nBuf ){
      rc = SQLITE_CORRUPT_BKPT;
    }else{








>
>
>








2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968

      rc = SQLITE_OK;
    }
  }

  /* Read the wal-index header. */
  if( rc==SQLITE_OK ){
    rc = walIndexReadHdr(pWal, &isChanged);
    if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){
      sqlite3OsUnfetch(pWal->pDbFd, 0, 0);
    }
  }

  /* Copy data from the log to the database file. */
  if( rc==SQLITE_OK ){
    if( pWal->hdr.mxFrame && walPagesize(pWal)!=nBuf ){
      rc = SQLITE_CORRUPT_BKPT;
    }else{
︙︙