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Overview
Comment:always use random access mode when opening files (like on Windows) (CVS 4784)
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 9f4da1013b558fcabadc3a3bec6bcdae9b06399e
User & Date: pweilbacher 2008-02-13 23:48:03.000
Context
2008-02-14
00:00
small correctness fix for os2CheckReservedLock() (CVS 4785) (check-in: f364d93423 user: pweilbacher tags: trunk)
2008-02-13
23:48
always use random access mode when opening files (like on Windows) (CVS 4784) (check-in: 9f4da1013b user: pweilbacher tags: trunk)
18:25
Where possible, avoid freeing buffers allocated for vdbe memory cells in case they can be reused. (CVS 4783) (check-in: 990237e27e user: danielk1977 tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/os_os2.c.
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  }else{
    ulFileAttribute = FILE_ARCHIVED | FILE_NORMAL;
    pFile->delOnClose = 0;
    pFile->pathToDel = NULL;
    OSTRACE1( "OPEN normal file attribute\n" );
  }

  //ulOpenMode |= flags & (SQLITE_OPEN_MAIN_DB | SQLITE_OPEN_TEMP_DB) ?
  //                  OPEN_FLAGS_RANDOM : OPEN_FLAGS_SEQUENTIAL;
  if( flags & (SQLITE_OPEN_MAIN_DB | SQLITE_OPEN_TEMP_DB) ){
    ulOpenMode |= OPEN_FLAGS_RANDOM;
    OSTRACE1( "OPEN random access\n" );
  }else{
    ulOpenMode |= OPEN_FLAGS_SEQUENTIAL;
    OSTRACE1( "OPEN sequential access\n" );
  }
  ulOpenMode |= OPEN_FLAGS_FAIL_ON_ERROR;

  rc = DosOpen( (PSZ)zName,
                &h,
                &ulAction,
                0L,
                ulFileAttribute,








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  }else{
    ulFileAttribute = FILE_ARCHIVED | FILE_NORMAL;
    pFile->delOnClose = 0;
    pFile->pathToDel = NULL;
    OSTRACE1( "OPEN normal file attribute\n" );
  }





  /* always open in random access mode for possibly better speed */

  ulOpenMode |= OPEN_FLAGS_RANDOM;


  ulOpenMode |= OPEN_FLAGS_FAIL_ON_ERROR;

  rc = DosOpen( (PSZ)zName,
                &h,
                &ulAction,
                0L,
                ulFileAttribute,
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