Query/core/interfaces/sql_interface.php

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