diff -cwr mediawiki-1.22.1-patched/includes/db/DatabasePostgres.php mediawiki-1.22.1/includes/db/DatabasePostgres.php
*** mediawiki-1.22.1-patched/includes/db/DatabasePostgres.php	Tue Jan 28 16:08:55 2014
--- mediawiki-1.22.1/includes/db/DatabasePostgres.php	Tue Jan 14 06:50:42 2014
***************
*** 729,743 ****
  	 * so causes a DB error. This wrapper checks which tables can be locked and adjusts it accordingly.
  	 */
  	function selectSQLText( $table, $vars, $conds = '', $fname = __METHOD__, $options = array(), $join_conds = array() ) {
- 	  if ( is_array($options) ) {
  		$forUpdateKey = array_search( 'FOR UPDATE', $options );
  		if ( $forUpdateKey !== false && $join_conds ) {
  			unset( $options[$forUpdateKey] );
  
! 			foreach ( $join_conds as $table_cond => $join_cond ) {
  				if ( 0 === preg_match( '/^(?:LEFT|RIGHT|FULL)(?: OUTER)? JOIN$/i', $join_cond[0] ) ) {
! 					$options['FOR UPDATE'][] = $table_cond;
! 				}
  			}
  		}
  	  }
--- 729,741 ----
  	 * so causes a DB error. This wrapper checks which tables can be locked and adjusts it accordingly.
  	 */
  	function selectSQLText( $table, $vars, $conds = '', $fname = __METHOD__, $options = array(), $join_conds = array() ) {
  		$forUpdateKey = array_search( 'FOR UPDATE', $options );
  		if ( $forUpdateKey !== false && $join_conds ) {
  			unset( $options[$forUpdateKey] );
  
! 			foreach ( $join_conds as $table => $join_cond ) {
  				if ( 0 === preg_match( '/^(?:LEFT|RIGHT|FULL)(?: OUTER)? JOIN$/i', $join_cond[0] ) ) {
! 					$options['FOR UPDATE'][] = $table;
  				}
  			}
  		}