OpenSQLManager/sys/db/drivers/odbc.php

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<?php
/**
* OpenSQLManager
*
* Free Database manager for Open Source Databases
*
* @author Timothy J. Warren
* @copyright Copyright (c) 2012
* @link https://github.com/aviat4ion/OpenSQLManager
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* @license http://philsturgeon.co.uk/code/dbad-license
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*/
// --------------------------------------------------------------------------
/**
* ODBC Database Driver
*
* For general database access for databases not specified by the main drivers
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*
* @extends DB_PDO
*/
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class ODBC extends DB_PDO {
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public function __construct($dsn, $username=null, $password=null, $options=array())
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{
parent::__construct("odbc:$dsn", $username, $password, $options);
$class = __CLASS__.'_sql';
$this->sql = new $class;
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}
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// --------------------------------------------------------------------------
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/**
* List tables for the current database
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*
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* @return mixed
*/
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public function get_tables()
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{
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//Not possible reliably with this driver
return FALSE;
}
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// --------------------------------------------------------------------------
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/**
* Not applicable to ODBC
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*
* @return FALSE
*/
public function get_dbs()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Not applicable to ODBC
*
* @return FALSE
*/
public function get_views()
{
return FALSE;
}
// --------------------------------------------------------------------------
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/**
* Not applicable to ODBC
*
* @return FALSE
*/
public function get_sequences()
{
return FALSE;
}
// --------------------------------------------------------------------------
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/**
* Not applicable to ODBC
*
* @return FALSE
*/
public function get_functions()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Not applicable to ODBC
*
* @return FALSE
*/
public function get_triggers()
{
return FALSE;
}
// --------------------------------------------------------------------------
/**
* List system tables for the current database/connection
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*
* @return array
*/
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public function get_system_tables()
{
//No way of determining for ODBC
return array();
}
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// --------------------------------------------------------------------------
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/**
* Empty the current database
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*
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* @return void
*/
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public function truncate($table)
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{
$sql = "DELETE FROM {$table}";
$this->query($sql);
}
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// --------------------------------------------------------------------------
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/**
* Return the number of rows returned for a SELECT query
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*
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* @return int
*/
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public function num_rows()
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{
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// @TODO: Implement
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}
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// --------------------------------------------------------------------------
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/**
* Create an SQL backup file for the current database's structure
*
* @return string
*/
public function backup_structure()
{
// Not applicable to ODBC
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return '';
}
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// --------------------------------------------------------------------------
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/**
* 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