-
- if ( $this->isExpensive( ) ) {
- $vsp = $wgLang->getValidSpecialPages();
- $logpage = new LogPage( "!" . $vsp[$sname] );
- $logpage->mUpdateRecentChanges = false;
-
- if ( $wgMiserMode ) {
- $logpage->showAsDisabledPage();
- return;
+ $res = false;
+
+ if ( $this->isExpensive() ) {
+ $recache = $wgRequest->getBool( 'recache' );
+ if( $recache ) {
+ # Clear out any old cached data
+ $dbw->delete( 'querycache', array( 'qc_type' => $sname ), $fname );
+
+ # Do query on the (possibly out of date) slave server
+ $maxstored = 1000;
+ $res = $dbr->query( $sql . $this->getOrder() . $dbr->limitResult( $maxstored,0 ), $fname );
+
+ # Fetch results
+ $insertSql = "INSERT INTO $querycache (qc_type,qc_namespace,qc_title,qc_value) VALUES ";
+ $first = true;
+ while ( $row = $dbr->fetchObject( $res ) ) {
+ if ( $first ) {
+ $first = false;
+ } else {
+ $insertSql .= ',';
+ }
+ $insertSql .= '(' .
+ $dbw->addQuotes( $row->type ) . ',' .
+ $dbw->addQuotes( $row->namespace ) . ',' .
+ $dbw->addQuotes( $row->title ) . ',' .
+ $dbw->addQuotes( $row->value ) . ')';
+ }
+
+ # Save results into the querycache table on the master
+ $dbw->query( $insertSql, $fname );
+
+ # Set result pointer to allow reading for display
+ $numRows = $dbr->numRows( $res );
+ if ( $numRows <= $offset ) {
+ $num = 0;
+ } else {
+ $dbr->dataSeek( $res, $offset );
+ $num = max( $limit, $numRows - $offset );
+ }
+ }
+ if( $wgMiserMode || $recache ) {
+ $type = $dbr->strencode( $sname );
+ $sql =
+ "SELECT qc_type as type, qc_namespace as namespace,qc_title as title, qc_value as value
+ FROM $querycache WHERE qc_type='$type'";
+ }
+ if( $wgMiserMode ) {
+ $wgOut->addWikiText( wfMsg( 'perfcached' ) );