Query/drivers/odbc/odbc_sql.php

188 lines
3.3 KiB
PHP

<?php
/**
* Query
*
* Free Query Builder / Database Abstraction Layer
*
* @author Timothy J. Warren
* @copyright Copyright (c) 2012
* @link https://github.com/aviat4ion/Query
* @license http://philsturgeon.co.uk/code/dbad-license
*/
// --------------------------------------------------------------------------
/**
* ODBC SQL Class
*/
class ODBC_SQL extends DB_SQL {
public function create_table($name, $columns, array $constraints=array(), array $indexes=array())
{
//ODBC can't know how to create a table
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Remove a table from the database
*
* @param string $name
* @return string
*/
public function delete_table($name)
{
return "DROP TABLE {$name}";
}
// --------------------------------------------------------------------------
/**
* Limit clause
*
* @param string $sql
* @param int $limit
* @param int $offset
* @return string
*/
public function limit($sql, $limit, $offset=FALSE)
{
return $sql;
}
// --------------------------------------------------------------------------
/**
* Random ordering keyword
*
* @return string
*/
public function random()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Create an SQL backup file for the current database's structure
*
* @return string
*/
public function backup_structure()
{
// Not applicable to ODBC
return '';
}
// --------------------------------------------------------------------------
/**
* Create an SQL backup file for the current database's data
*
* @return string
*/
public function backup_data()
{
// Not applicable to ODBC
return '';
}
// --------------------------------------------------------------------------
/**
* Returns sql to list other databases
*
* @return FALSE
*/
public function db_list()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Returns sql to list tables
*
* @return FALSE
*/
public function table_list()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Returns sql to list system tables
*
* @return FALSE
*/
public function system_table_list()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Returns sql to list views
*
* @return FALSE
*/
public function view_list()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Returns sql to list triggers
*
* @return FALSE
*/
public function trigger_list()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Return sql to list functions
*
* @return FALSE
*/
public function function_list()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Return sql to list stored procedures
*
* @return FALSE
*/
public function procedure_list()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Return sql to list sequences
*
* @return FALSE
*/
public function sequence_list()
{
return FALSE;
}
}
// End of odbc_sql.php