109 lines
2.2 KiB
PHP
109 lines
2.2 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 Database Driver
|
||
|
*
|
||
|
* For general database access for databases not specified by the main drivers
|
||
|
*
|
||
|
* @extends DB_PDO
|
||
|
*/
|
||
|
class ODBC extends DB_PDO {
|
||
|
|
||
|
public function __construct($dsn, $username=null, $password=null, $options=array())
|
||
|
{
|
||
|
parent::__construct("odbc:$dsn", $username, $password, $options);
|
||
|
|
||
|
$class = __CLASS__.'_sql';
|
||
|
$this->sql = new $class;
|
||
|
}
|
||
|
|
||
|
// --------------------------------------------------------------------------
|
||
|
|
||
|
/**
|
||
|
* List tables for the current database
|
||
|
*
|
||
|
* @return mixed
|
||
|
*/
|
||
|
public function get_tables()
|
||
|
{
|
||
|
//Not possible reliably with this driver
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
// --------------------------------------------------------------------------
|
||
|
|
||
|
/**
|
||
|
* List system tables for the current database/connection
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
public function get_system_tables()
|
||
|
{
|
||
|
//No way of determining for ODBC
|
||
|
return array();
|
||
|
}
|
||
|
|
||
|
// --------------------------------------------------------------------------
|
||
|
|
||
|
/**
|
||
|
* Empty the current database
|
||
|
*
|
||
|
* @return void
|
||
|
*/
|
||
|
public function truncate($table)
|
||
|
{
|
||
|
$sql = "DELETE FROM {$table}";
|
||
|
$this->query($sql);
|
||
|
}
|
||
|
|
||
|
// --------------------------------------------------------------------------
|
||
|
|
||
|
/**
|
||
|
* Return the number of rows returned for a SELECT query
|
||
|
*
|
||
|
* @return int
|
||
|
*/
|
||
|
public function num_rows()
|
||
|
{
|
||
|
// TODO: Implement
|
||
|
}
|
||
|
|
||
|
// --------------------------------------------------------------------------
|
||
|
|
||
|
/**
|
||
|
* 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 '';
|
||
|
}
|
||
|
}
|
||
|
// End of odbc.php
|