+
+ if ( is_array( $table ) ) {
+ // A parenthesized group
+ $joinedTable = '('
+ . $this->tableNamesWithIndexClauseOrJOIN( $table, $use_index, $ignore_index, $join_conds )
+ . ')';
+ } else {
+ $joinedTable = $this->tableNameWithAlias( $table, $alias );
+ }
+