117 lines
3.3 KiB
PHP
117 lines
3.3 KiB
PHP
<?php defined('SYSPATH') or die('No direct access allowed.');
|
|
|
|
/**
|
|
* TSM database connection.
|
|
*
|
|
* @package PTA
|
|
* @subpackage TSM
|
|
* @category Drivers
|
|
* @author Deon George
|
|
* @copyright (c) 2010 phpTSMadmin Development Team
|
|
* @license http://phptsmadmin.sf.net/license.html
|
|
*/
|
|
abstract class Database_TSM extends Database {
|
|
// Database in use by each connection
|
|
protected static $_current_databases = array();
|
|
|
|
// Use SET NAMES to set the character set
|
|
protected static $_set_names;
|
|
|
|
// Identifier for this connection within the PHP driver
|
|
protected $_connection_id;
|
|
|
|
// TSM does not use a backtick for identifiers
|
|
protected $_identifier = '';
|
|
|
|
// Our TSM Message Format
|
|
protected $msg_format = '[A-Z]{3}[0-9]{4}[I|E|W|S]';
|
|
|
|
// Our Message Codes stored in the last query
|
|
protected $_query_msg_codes = array();
|
|
|
|
// Our return code error messages we can ignore
|
|
protected $ignore_codes = array(
|
|
'ANS8001I', // Return code %s.
|
|
);
|
|
// Our return code error messages we can ignore
|
|
protected $nodata_codes = array(
|
|
'ANR2034E', // SELECT: No match found using this criteria.
|
|
);
|
|
|
|
protected $execute_stdout = '';
|
|
protected $execute_stderr = '';
|
|
protected $execute_rc = NULL;
|
|
|
|
// Our required abstract methods
|
|
public function begin($mode = NULL) {}
|
|
public function commit() {}
|
|
public function rollback() {}
|
|
public function set_charset($charset) {}
|
|
public function list_tables($like = NULL) {}
|
|
|
|
// Required methods
|
|
abstract protected function execute($sql);
|
|
|
|
/**
|
|
* Return the caching defined in the current configuration.
|
|
*
|
|
* $cache_time = $db->caching("table");
|
|
*
|
|
* @return string
|
|
*/
|
|
public function caching($table) {
|
|
return ($this->_config['caching'] AND isset($this->_config['cache'][$table])) ? $this->_config['cache'][$table] : FALSE;
|
|
}
|
|
|
|
private function clear() {
|
|
$this->_query_msg_codes = array();
|
|
}
|
|
|
|
public function query($type, $sql, $as_object = FALSE, array $params = NULL) {
|
|
// Make sure the database is connected
|
|
$this->_connection or $this->connect();
|
|
$this->clear();
|
|
|
|
if ( ! empty($this->_config['profiling']))
|
|
// Benchmark this query for the current instance
|
|
$benchmark = Profiler::start("Database ({$this->_instance})", $sql);
|
|
|
|
// Execute the query
|
|
$result = $this->execute($sql);
|
|
|
|
if ($this->execute_stderr AND $this->execute_rc) {
|
|
// This benchmark is worthless
|
|
if (isset($benchmark))
|
|
Profiler::delete($benchmark);
|
|
|
|
SystemMessage::TSM_Error(sprintf('%s (%s)',$this->execute_stdout,$this->execute_stderr),$sql);
|
|
Request::current()->redirect('welcome');
|
|
}
|
|
|
|
if (isset($benchmark))
|
|
Profiler::stop($benchmark);
|
|
|
|
// Set the last query
|
|
$this->last_query = $sql;
|
|
|
|
if ($type === Database::SELECT)
|
|
// Return an iterator of results
|
|
return new Database_TSM_Result($result, $sql, $as_object, $params);
|
|
elseif ($type === Database::INSERT)
|
|
throw new Kohana_Exception('Database INSERTS are not supported');
|
|
elseif ($type === Database::SHOW)
|
|
return new Database_TSM_Show($result, $sql, $as_object, $params);
|
|
elseif ($type === Database::SET)
|
|
return new Database_TSM_Set($result, $sql, $as_object, $params);
|
|
}
|
|
|
|
public function escape($value) {
|
|
// Make sure the database is connected
|
|
$this->_connection or $this->connect();
|
|
|
|
// SQL standard is to use single-quotes for all values
|
|
return "'$value'";
|
|
}
|
|
}
|
|
?>
|