/** * Returns column definition for column provided in key_column parameter. * * @return array * @throws Enterprise_Mview_Exception */ protected function _getKeyColumnConfig() { $describe = $this->_table->describe(); if (!array_key_exists($this->_metadata->getKeyColumn(), $describe)) { throw new Enterprise_Mview_Exception(sprintf("Column '%s' does not exist in the '%s' table", $this->_metadata->getKeyColumn(), $this->_table->getObjectName())); } return $this->_connection->getColumnCreateByDescribe($describe[$this->_metadata->getKeyColumn()]); }