function recache( $limit, $ignoreErrors = true ) {
$fname = get_class( $this ) . '::recache';
$dbw = wfGetDB( DB_MASTER );
- $dbr = wfGetDB( DB_SLAVE, array( $this->getName(), 'QueryPage::recache', 'vslow' ) );
+ $dbr = wfGetDB( DB_SLAVE, array( $this->getName(), __METHOD__, 'vslow' ) );
if ( !$dbw || !$dbr ) {
return false;
}
if ( $res ) {
$num = $dbr->numRows( $res );
# Fetch results
- $insertSql = "INSERT INTO $querycache (qc_type,qc_namespace,qc_title,qc_value) VALUES ";
- $first = true;
+ $vals = array();
while ( $res && $row = $dbr->fetchObject( $res ) ) {
- if ( $first ) {
- $first = false;
- } else {
- $insertSql .= ',';
- }
if ( isset( $row->value ) ) {
$value = intval( $row->value ); // @bug 14414
} else {
$value = 0;
}
-
- $insertSql .= '(' .
- $dbw->addQuotes( $row->type ) . ',' .
- $dbw->addQuotes( $row->namespace ) . ',' .
- $dbw->addQuotes( $row->title ) . ',' .
- $dbw->addQuotes( $value ) . ')';
+
+ $vals[] = array('qc_type' => $row->type,
+ 'qc_namespace' => $row->namespace,
+ 'qc_title' => $row->title,
+ 'qc_value' => $value);
}
# Save results into the querycache table on the master
- if ( !$first ) {
- if ( !$dbw->query( $insertSql, $fname ) ) {
+ if ( count( $vals ) ) {
+ if ( !$dbw->insert( 'querycache', $vals, __METHOD__ ) ) {
// Set result to false to indicate error
$dbr->freeResult( $res );
$res = false;
return $title->getFullURL();
}
}
+
+/**
+ * Class definition for a wanted query page like
+ * WantedPages, WantedTemplates, etc
+ */
+abstract class WantedQueryPage extends QueryPage {
+
+ function isExpensive() {
+ return true;
+ }
+
+ function isSyndicated() {
+ return false;
+ }
+
+ /**
+ * Cache page existence for performance
+ */
+ function preprocessResults( $db, $res ) {
+ $batch = new LinkBatch;
+ while ( $row = $db->fetchObject( $res ) )
+ $batch->add( $row->namespace, $row->title );
+ $batch->execute();
+
+ // Back to start for display
+ if ( $db->numRows( $res ) > 0 )
+ // If there are no rows we get an error seeking.
+ $db->dataSeek( $res, 0 );
+ }
+
+ /**
+ * Format an individual result
+ *
+ * @param $skin Skin to use for UI elements
+ * @param $result Result row
+ * @return string
+ */
+ public function formatResult( $skin, $result ) {
+ $title = Title::makeTitleSafe( $result->namespace, $result->title );
+ if( $title instanceof Title ) {
+ if( $this->isCached() ) {
+ $pageLink = $title->exists()
+ ? '<s>' . $skin->link( $title ) . '</s>'
+ : $skin->makeBrokenLinkObj( $title );
+ } else {
+ $pageLink = $skin->makeBrokenLinkObj( $title );
+ }
+ return wfSpecialList( $pageLink, $this->makeWlhLink( $title, $skin, $result ) );
+ } else {
+ $tsafe = htmlspecialchars( $result->title );
+ return wfMsg( 'wantedpages-badtitle', $tsafe );
+ }
+ }
+
+ /**
+ * Make a "what links here" link for a given title
+ *
+ * @param Title $title Title to make the link for
+ * @param Skin $skin Skin to use
+ * @param object $result Result row
+ * @return string
+ */
+ private function makeWlhLink( $title, $skin, $result ) {
+ global $wgLang;
+ $wlh = SpecialPage::getTitleFor( 'Whatlinkshere' );
+ $label = wfMsgExt( 'nlinks', array( 'parsemag', 'escape' ),
+ $wgLang->formatNum( $result->value ) );
+ return $skin->link( $wlh, $label, array(), array( 'target' => $title->getPrefixedText() ) );
+ }
+}