];
}
+ public function reallyDoQuery( $limit, $offset = false ) {
+ $fname = static::class . '::reallyDoQuery';
+ $dbr = $this->getRecacheDB();
+ $query = $this->getQueryInfo();
+ $order = $this->getOrderFields();
+
+ if ( $this->sortDescending() ) {
+ foreach ( $order as &$field ) {
+ $field .= ' DESC';
+ }
+ }
+
+ $tables = isset( $query['tables'] ) ? (array)$query['tables'] : [];
+ $fields = isset( $query['fields'] ) ? (array)$query['fields'] : [];
+ $conds = isset( $query['conds'] ) ? (array)$query['conds'] : [];
+ $options = isset( $query['options'] ) ? (array)$query['options'] : [];
+ $join_conds = isset( $query['join_conds'] ) ? (array)$query['join_conds'] : [];
+
+ if ( $limit !== false ) {
+ $options['LIMIT'] = intval( $limit );
+ }
+
+ if ( $offset !== false ) {
+ $options['OFFSET'] = intval( $offset );
+ }
+
+ $namespaces = $conds['page_namespace'];
+ if ( count( $namespaces ) === 1 ) {
+ $options['ORDER BY'] = $order;
+ $res = $dbr->select( $tables, $fields, $conds, $fname,
+ $options, $join_conds
+ );
+ } else {
+ unset( $conds['page_namespace'] );
+ $options['INNER ORDER BY'] = $order;
+ $options['ORDER BY'] = [ 'value' . ( $this->sortDescending() ? ' DESC' : '' ) ];
+ $sql = $dbr->unionConditionPermutations(
+ $tables,
+ $fields,
+ [ 'page_namespace' => $namespaces ],
+ $conds,
+ $fname,
+ $options,
+ $join_conds
+ );
+ $res = $dbr->query( $sql, $fname );
+ }
+
+ return $res;
+ }
+
function getOrderFields() {
return [ 'page_len' ];
}