Query/classes/sql_interface.php

124 lines
2.0 KiB
PHP

<?php
/**
* Query
*
* Free Query Builder / Database Abstraction Layer
*
* @author Timothy J. Warren
* @copyright Copyright (c) 2012 - 2014
* @link https://github.com/aviat4ion/Query
* @license http://philsturgeon.co.uk/code/dbad-license
* @package Query
*/
// --------------------------------------------------------------------------
/**
* parent for database manipulation subclasses
*
* @package Query
* @subpackage Query
*/
interface SQL_Interface {
/**
* Get database specific sql for limit clause
*
* @abstract
* @param string $sql
* @param int $limit
* @param int $offset
* @return string
*/
public function limit($sql, $limit, $offset=FALSE);
/**
* Modify the query to get the query plan
*
* @param string $sql
* @return string
*/
public function explain($sql);
/**
* Get the sql for random ordering
*
* @abstract
* @return string
*/
public function random();
/**
* Returns sql to list other databases
*
* @return string
*/
public function db_list();
/**
* Returns sql to list tables
*
* @return string
*/
public function table_list();
/**
* Returns sql to list system tables
*
* @return string
*/
public function system_table_list();
/**
* Returns sql to list views
*
* @return string
*/
public function view_list();
/**
* Returns sql to list triggers
*
* @return string
*/
public function trigger_list();
/**
* Return sql to list functions
*
* @return NULL
*/
public function function_list();
/**
* Return sql to list stored procedures
*
* @return string
*/
public function procedure_list();
/**
* Return sql to list sequences
*
* @return string
*/
public function sequence_list();
/**
* Return sql to list database field types
*
* @return mixed
*/
public function type_list();
/**
* Get information about the columns in the
* specified table
*
* @param string $table
* @return string
*/
public function column_list($table);
}
// End of sql_interface.php