lib/Doctrine/ORM/Tools/Pagination/LimitSubqueryOutputWalker.php
private function platformSupportsRowNumber()
    {
        return $this->platform instanceof PostgreSqlPlatform
            || $this->platform instanceof SQLServerPlatform
            || $this->platform instanceof OraclePlatform
            || $this->platform instanceof SQLAnywherePlatform
            || $this->platform instanceof DB2Platform
            || (method_exists($this->platform, 'supportsRowNumberFunction')
                && $this->platform->supportsRowNumberFunction());
    }
private function platformSupportsRowNumber()
    {
        return $this->platform instanceof PostgreSqlPlatform
            || $this->platform instanceof SQLServerPlatform
            || $this->platform instanceof OraclePlatform
            || $this->platform instanceof SQLAnywherePlatform
            || $this->platform instanceof DB2Platform
            || (method_exists($this->platform, 'supportsRowNumberFunction')
                && $this->platform->supportsRowNumberFunction());
    }
private function platformSupportsRowNumber ( ) { return $ this -> platform instanceof PostgreSqlPlatform || $ this -> platform instanceof SQLServerPlatform || $ this -> platform instanceof OraclePlatform || $ this -> platform instanceof SQLAnywherePlatform || $ this -> platform instanceof DB2Platform || ( method_exists ( $ this -> platform , 'supportsRowNumberFunction' ) && $ this -> platform -> supportsRowNumberFunction ( ) ) ; }
Check if the platform supports the ROW_NUMBER window function.

@return bool
Check if the platform supports the ROW_NUMBER window function .