* Helper function: do the actual database query to fetch file metadata.
*
* @param string $key
- * @param int $readFromDB Constant (default: DB_SLAVE)
+ * @param int $readFromDB Constant (default: DB_REPLICA)
* @return bool
*/
- protected function fetchFileMetadata( $key, $readFromDB = DB_SLAVE ) {
+ protected function fetchFileMetadata( $key, $readFromDB = DB_REPLICA ) {
// populate $fileMetadata[$key]
$dbr = null;
if ( $readFromDB === DB_MASTER ) {