public function getTableIdentifier()
    {
        if ($this->tableAlias !== null) {
            return $this->tableAlias;
        }
        if (is_string($this->table)) {
            return $this->table;
        }
        return null;
    }
public function getTableIdentifier()
    {
        if ($this->tableAlias !== null) {
            return $this->tableAlias;
        }
        if (is_string($this->table)) {
            return $this->table;
        }
        return null;
    }
public function getTableIdentifier ( ) { if ( $ this -> tableAlias !== null ) { return $ this -> tableAlias ; } if ( is_string ( $ this -> table ) ) { return $ this -> table ; } return null ; }
Returns the identifier which the target table can be appealed to.

@return string|null Alias or table name. Null if the target table has no string name.
Returns the identifier which the target table can be appealed to .