Query/src/Drivers/SQLInterface.php

136 lines
2.4 KiB
PHP

<?php declare(strict_types=1);
/**
* Query
*
* SQL Query Builder / Database Abstraction Layer
*
* PHP version 7.4
*
* @package Query
* @author Timothy J. Warren <tim@timshomepage.net>
* @copyright 2012 - 2020 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @link https://git.timshomepage.net/aviat/Query
* @version 3.0.0
*/
namespace Query\Drivers;
/**
* Interface for database-specific syntax subclasses
*/
interface SQLInterface {
/**
* Get database specific sql for limit clause
*
* @param string $sql
* @param int $limit
* @param int|null $offset
* @return string
*/
public function limit(string $sql, int $limit, ?int $offset=NULL): string;
/**
* Modify the query to get the query plan
*
* @param string $sql
* @return string
*/
public function explain(string $sql): string;
/**
* Get the sql for random ordering
*
* @return string
*/
public function random(): string;
/**
* Returns sql to list other databases
*
* @return string
*/
public function dbList(): string;
/**
* Returns sql to list tables
*
* @return string
*/
public function tableList(): string;
/**
* Returns sql to list system tables
*
* @return string|array
*/
public function systemTableList();
/**
* Returns sql to list views
*
* @return string
*/
public function viewList(): string;
/**
* Returns sql to list triggers
*
* @return string
*/
public function triggerList(): ?string;
/**
* Return sql to list functions
*
* @return string
*/
public function functionList(): ?string;
/**
* Return sql to list stored procedures
*
* @return string
*/
public function procedureList(): ?string;
/**
* Return sql to list sequences
*
* @return string
*/
public function sequenceList(): ?string;
/**
* Return sql to list database field types
*
* @return string|array
*/
public function typeList();
/**
* Get information about the columns in the
* specified table
*
* @param string $table
* @return string
*/
public function columnList(string $table): string;
/**
* Get the list of foreign keys for the current
* table
*
* @param string $table
* @return string
*/
public function fkList(string $table): string;
/**
* Get the list of indexes for the current table
*
* @param string $table
* @return string
*/
public function indexList(string $table): string;
}