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Overview
Comment:Initialize the mmap_limit of temporary files to the configured mmap_limit.
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SHA1: 24bab7596bb7385981a5d331df5eeb05353547f7
User & Date: drh 2013-04-03 10:50:02.049
Context
2013-04-03
11:17
In btree.c, save the positions of other cursors open on the same table when writing via an incremental blob handle. Otherwise, they may be left holding an out-of-date xFetch page reference. (check-in: 3f09fba18f user: dan tags: experimental-mmap)
10:50
Initialize the mmap_limit of temporary files to the configured mmap_limit. (check-in: 24bab7596b user: drh tags: experimental-mmap)
03:53
Make use of xFetch, if it is available when doing a VACUUM or a backup. (check-in: 83bc37af07 user: drh tags: experimental-mmap)
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to src/os_unix.c.
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  assert( zFilename!=0 || (ctrlFlags & UNIXFILE_NOLOCK)!=0 );

  OSTRACE(("OPEN    %-3d %s\n", h, zFilename));
  pNew->h = h;
  pNew->pVfs = pVfs;
  pNew->zPath = zFilename;
  pNew->ctrlFlags = (u8)ctrlFlags;
  pNew->mmapLimit = SQLITE_DEFAULT_MMAP_LIMIT;
  pNew->mmapLimit = sqlite3GlobalConfig.mxMmap;
  if( sqlite3_uri_boolean(((ctrlFlags & UNIXFILE_URI) ? zFilename : 0),
                           "psow", SQLITE_POWERSAFE_OVERWRITE) ){
    pNew->ctrlFlags |= UNIXFILE_PSOW;
  }
  if( strcmp(pVfs->zName,"unix-excl")==0 ){
    pNew->ctrlFlags |= UNIXFILE_EXCL;
  }
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Changes to src/os_win.c.
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  }
  pFile->lastErrno = NO_ERROR;
  pFile->zPath = zName;
  pFile->hMap = NULL;
  pFile->pMapRegion = 0;
  pFile->mmapSize = 0;
  pFile->mmapOrigsize = 0;
  pFile->mmapLimit = SQLITE_DEFAULT_MMAP_LIMIT;
  pFile->mmapLimit = sqlite3GlobalConfig.mxMmap;

  OpenCounter(+1);
  return rc;
}

/*
** Delete the named file.
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