Location: PHPKode > projects > ClassroomBookings > system/database/drivers/postgre/postgre_utility.php
<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
 * Code Igniter
 *
 * An open source application development framework for PHP 4.3.2 or newer
 *
 * @package		CodeIgniter
 * @author		Rick Ellis
 * @copyright	Copyright (c) 2006, pMachine, Inc.
 * @license		http://www.codeignitor.com/user_guide/license.html
 * @link		http://www.codeigniter.com
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * Postgre Utility Class
 *
 * @category	Database
 * @author		Rick Ellis
 * @link		http://www.codeigniter.com/user_guide/database/
 */
class CI_DB_postgre_utility extends CI_DB_utility {

	
	/**
	 * Create database
	 *
	 * @access	private
	 * @param	string	the database name
	 * @return	bool
	 */
	function _create_database($name)
	{
		return "CREATE DATABASE ".$name;
	}

	// --------------------------------------------------------------------

	/**
	 * Drop database
	 *
	 * @access	private
	 * @param	string	the database name
	 * @return	bool
	 */
	function _drop_database($name)
	{
		return "DROP DATABASE ".$name;
	}

	// --------------------------------------------------------------------

	/**
	 * List databases
	 *
	 * @access	private
	 * @return	bool
	 */
	function _list_databases()
	{
		return "SELECT datname FROM pg_database";
	}

	// --------------------------------------------------------------------

	/**
	 * Drop Table
	 *
	 * @access	private
	 * @return	bool
	 */
	function _drop_table($table)
	{
		return "DROP TABLE ".$this->db->_escape_table($table)." CASCADE";
	}

	// --------------------------------------------------------------------

	/**
	 * Optimize table query
	 *
	 * Is table optimization supported in Postgre?
	 *
	 * @access	private
	 * @param	string	the table name
	 * @return	object
	 */
	function _optimize_table($table)
	{
		return FALSE;
	}

	// --------------------------------------------------------------------

	/**
	 * Repair table query
	 *
	 * Are table repairs supported in Postgre?
	 *
	 * @access	private
	 * @param	string	the table name
	 * @return	object
	 */
	function _repair_table($table)
	{
		return FALSE;
	}

	// --------------------------------------------------------------------

	/**
	 * Postgre Export
	 *
	 * @access	private
	 * @param	array	Preferences
	 * @return	mixed
	 */
	function _backup($params = array())
	{
		// Currently unsupported
		return $this->db->display_error('db_unsuported_feature');
	}

}

?>
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