+ if ( $this->mRevision && !RecentChange::isInRCLifespan( $this->mRevision->getTimestamp(), 21600 ) ) {
+ // The current revision is already older than what could be in the RC table
+ // 6h tolerance because the RC might not be cleaned out regularly
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+
+ $dbr = wfGetDB( DB_SLAVE );
+ $oldestRevisionTimestamp = $dbr->selectField(
+ 'revision',
+ 'MIN( rev_timestamp )',
+ array( 'rev_page' => $this->getTitle()->getArticleID() ),
+ __METHOD__
+ );
+
+ if ( $oldestRevisionTimestamp && RecentChange::isInRCLifespan( $oldestRevisionTimestamp, 21600 ) ) {
+ // 6h tolerance because the RC might not be cleaned out regularly
+ $rc = RecentChange::newFromConds(
+ array(
+ 'rc_new' => 1,
+ 'rc_timestamp' => $oldestRevisionTimestamp,
+ 'rc_namespace' => $this->getTitle()->getNamespace(),
+ 'rc_cur_id' => $this->getTitle()->getArticleID(),
+ 'rc_patrolled' => 0
+ ),
+ __METHOD__,
+ array( 'USE INDEX' => 'new_name_timestamp' )
+ );
+ }
+
+ if ( !$rc ) {
+ // No RC entry around
+
+ // Cache the information we gathered above in case we can't patrol
+ // Don't cache in case we can patrol as this could change
+ $cache->set( wfMemcKey( 'NotPatrollablePage', $this->getTitle()->getArticleID() ), '1' );
+
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+
+ $rcid = $rc->getAttribute( 'rc_id' );
+