109 lines
2.2 KiB
PHP
109 lines
2.2 KiB
PHP
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<?php
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/**
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* Query
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*
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* Free Query Builder / Database Abstraction Layer
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*
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* @author Timothy J. Warren
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* @copyright Copyright (c) 2012
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* @link https://github.com/aviat4ion/Query
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* @license http://philsturgeon.co.uk/code/dbad-license
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*/
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// --------------------------------------------------------------------------
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/**
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* ODBC Database Driver
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*
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* For general database access for databases not specified by the main drivers
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*
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* @extends DB_PDO
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*/
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class ODBC extends DB_PDO {
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public function __construct($dsn, $username=null, $password=null, $options=array())
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{
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parent::__construct("odbc:$dsn", $username, $password, $options);
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$class = __CLASS__.'_sql';
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$this->sql = new $class;
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}
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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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*/
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public function get_tables()
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{
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//Not possible reliably with this driver
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return FALSE;
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}
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// --------------------------------------------------------------------------
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/**
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* List system tables for the current database/connection
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*
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* @return array
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*/
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public function get_system_tables()
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{
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//No way of determining for ODBC
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return array();
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}
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// --------------------------------------------------------------------------
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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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*/
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public function truncate($table)
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{
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$sql = "DELETE FROM {$table}";
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$this->query($sql);
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}
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// --------------------------------------------------------------------------
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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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*/
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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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/**
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* Create an SQL backup file for the current database's structure
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*
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* @return string
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*/
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public function backup_structure()
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{
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// Not applicable to ODBC
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return '';
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}
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// --------------------------------------------------------------------------
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/**
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* Create an SQL backup file for the current database's data
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*
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* @return string
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*/
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public function backup_data()
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{
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// Not applicable to ODBC
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return '';
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}
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}
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// End of odbc.php
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