Location: PHPKode > projects > Auto TV to Sabnzbd > autoTvToSab/modules/database/classes/kohana/db.php
<?php defined('SYSPATH') or die('No direct script access.');
/**
 * Database object creation helper methods.
 *
 * @package    Kohana/Database
 * @category   Base
 * @author     Kohana Team
 * @copyright  (c) 2009 Kohana Team
 * @license    http://kohanaphp.com/license
 */
class Kohana_DB {

	/**
	 * Create a new [Database_Query] of the given type.
	 *
	 *     // Create a new SELECT query
	 *     $query = DB::query(Database::SELECT, 'SELECT * FROM users');
	 *
	 *     // Create a new DELETE query
	 *     $query = DB::query(Database::DELETE, 'DELETE FROM users WHERE id = 5');
	 *
	 * Specifying the type changes the returned result. When using
	 * `Database::SELECT`, a [Database_Query_Result] will be returned.
	 * `Database::INSERT` queries will return the insert id and number of rows.
	 * For all other queries, the number of affected rows is returned.
	 *
	 * @param   integer  type: Database::SELECT, Database::UPDATE, etc
	 * @param   string   SQL statement
	 * @return  Database_Query
	 */
	public static function query($type, $sql)
	{
		return new Database_Query($type, $sql);
	}

	/**
	 * Create a new [Database_Query_Builder_Select]. Each argument will be
	 * treated as a column. To generate a `foo AS bar` alias, use an array.
	 *
	 *     // SELECT id, username
	 *     $query = DB::select('id', 'username');
	 *
	 *     // SELECT id AS user_id
	 *     $query = DB::select(array('id', 'user_id'));
	 *
	 * @param   mixed   column name or array($column, $alias) or object
	 * @param   ...
	 * @return  Database_Query_Builder_Select
	 */
	public static function select($columns = NULL)
	{
		return new Database_Query_Builder_Select(func_get_args());
	}

	/**
	 * Create a new [Database_Query_Builder_Select] from an array of columns.
	 *
	 *     // SELECT id, username
	 *     $query = DB::select_array(array('id', 'username'));
	 *
	 * @param   array   columns to select
	 * @return  Database_Query_Builder_Select
	 */
	public static function select_array(array $columns = NULL)
	{
		return new Database_Query_Builder_Select($columns);
	}

	/**
	 * Create a new [Database_Query_Builder_Insert].
	 *
	 *     // INSERT INTO users (id, username)
	 *     $query = DB::insert('users', array('id', 'username'));
	 *
	 * @param   string  table to insert into
	 * @param   array   list of column names or array($column, $alias) or object
	 * @return  Database_Query_Builder_Insert
	 */
	public static function insert($table, array $columns = NULL)
	{
		return new Database_Query_Builder_Insert($table, $columns);
	}

	/**
	 * Create a new [Database_Query_Builder_Update].
	 *
	 *     // UPDATE users
	 *     $query = DB::update('users');
	 *
	 * @param   string  table to update
	 * @return  Database_Query_Builder_Update
	 */
	public static function update($table)
	{
		return new Database_Query_Builder_Update($table);
	}

	/**
	 * Create a new [Database_Query_Builder_Delete].
	 *
	 *     // DELETE FROM users
	 *     $query = DB::delete('users');
	 *
	 * @param   string  table to delete from
	 * @return  Database_Query_Builder_Delete
	 */
	public static function delete($table)
	{
		return new Database_Query_Builder_Delete($table);
	}

	/**
	 * Create a new [Database_Expression] which is not escaped. An expression
	 * is the only way to use SQL functions within query builders.
	 *
	 *     $expression = DB::expr('COUNT(users.id)');
	 *
	 * @param   string  expression
	 * @return  Database_Expression
	 */
	public static function expr($string)
	{
		return new Database_Expression($string);
	}

} // End DB
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