public function getSequence()
    {
        if( preg_match( "/^nextval\\('([^']+)'::regclass\\)$/", $this->default, $matches ) ) {
            return $this->catalog->pgClasses->findOneByName($matches[1]);
        }
        return null;
    }
public function getSequence()
    {
        if( preg_match( "/^nextval\\('([^']+)'::regclass\\)$/", $this->default, $matches ) ) {
            return $this->catalog->pgClasses->findOneByName($matches[1]);
        }
        return null;
    }
public function getSequence ( ) { if ( preg_match ( "/^nextval\\('([^']+)'::regclass\\)$/" , $ this -> default , $ matches ) ) { return $ this -> catalog -> pgClasses -> findOneByName ( $ matches [ 1 ] ) ; } return null ; }
Is this column a sequence
@return Sequence|null
Is this column a sequence