public function delete($tableName)
    {
        $this->_queryType = self :: DELETE;
        $this->_delete    = $tableName;

        return $this;
    }
public function delete($tableName)
    {
        $this->_queryType = self :: DELETE;
        $this->_delete    = $tableName;

        return $this;
    }
public function delete ( $ tableName ) { $ this -> _queryType = self :: DELETE ; $ this -> _delete = $ tableName ; return $ this ; }
Configure object for DELETE query
and set the main table name

@param $tableName

@return $this
Configure object for DELETE query and set the main table name