protected function _getNodeById( $id )
	{
		$conn = $this->_dbm->acquire( $this->_dbname );

		try
		{
			$stmt = $conn->create( str_replace( ':cond', '1=1', $this->_config['get'] ) );
			$stmt->bind( 1, $id, MW_DB_Statement_Abstract::PARAM_INT );
			$stmt->bind( 2, 0, MW_DB_Statement_Abstract::PARAM_INT );
			$result = $stmt->execute();

			if( ( $row = $result->fetch() ) === false ) {
				throw new MW_Tree_Exception( sprintf( 'No node with ID "%1$d" found', $id ) );
			}

			$node = $this->_createNode( $row );

			$this->_dbm->release( $conn, $this->_dbname );
		}
		catch( Exception $e )
		{
			$this->_dbm->release( $conn, $this->_dbname );
			throw $e;
		}

		return $node;
	}