+ if ( $this->mIsBigDeletion === null ) {
+ $dbr = wfGetDB( DB_SLAVE );
+
+ $innerQuery = $dbr->selectSQLText(
+ 'revision',
+ '1',
+ array( 'rev_page' => $this->getArticleID() ),
+ __METHOD__,
+ array( 'LIMIT' => $wgDeleteRevisionsLimit + 1 )
+ );
+
+ $revCount = $dbr->query(
+ 'SELECT COUNT(*) FROM (' . $innerQuery . ') AS innerQuery',
+ __METHOD__
+ );
+ $revCount = $revCount->fetchRow();
+ $revCount = $revCount['COUNT(*)'];
+
+ $this->mIsBigDeletion = $revCount > $wgDeleteRevisionsLimit;
+ }
+
+ return $this->mIsBigDeletion;