You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
3.3 KiB
PHP
117 lines
3.3 KiB
PHP
<?php
|
|
|
|
/*
|
|
+-----------------------------------------------------------------------+
|
|
| program/include/rcube_db_mysql.php |
|
|
| |
|
|
| This file is part of the Roundcube Webmail client |
|
|
| Copyright (C) 2005-2012, The Roundcube Dev Team |
|
|
| |
|
|
| Licensed under the GNU General Public License version 3 or |
|
|
| any later version with exceptions for skins & plugins. |
|
|
| See the README file for a full license statement. |
|
|
| |
|
|
| PURPOSE: |
|
|
| Database wrapper class that implements PHP PDO functions |
|
|
| for MySQL database |
|
|
| |
|
|
+-----------------------------------------------------------------------+
|
|
| Author: Aleksander Machniak <alec@alec.pl> |
|
|
+-----------------------------------------------------------------------+
|
|
*/
|
|
|
|
|
|
/**
|
|
* Database independent query interface
|
|
*
|
|
* This is a wrapper for the PHP PDO
|
|
*
|
|
* @package Database
|
|
* @version 1.0
|
|
*/
|
|
class rcube_db_mysql extends rcube_db
|
|
{
|
|
/**
|
|
* Driver initialization/configuration
|
|
*/
|
|
protected function init()
|
|
{
|
|
// SQL identifiers quoting
|
|
$this->options['identifier_start'] = '`';
|
|
$this->options['identifier_end'] = '`';
|
|
}
|
|
|
|
/**
|
|
* Abstract SQL statement for value concatenation
|
|
*
|
|
* @return string SQL statement to be used in query
|
|
*/
|
|
public function concat(/* col1, col2, ... */)
|
|
{
|
|
$args = func_get_args();
|
|
|
|
if (is_array($args[0])) {
|
|
$args = $args[0];
|
|
}
|
|
|
|
return 'CONCAT(' . join(', ', $args) . ')';
|
|
}
|
|
|
|
/**
|
|
* Returns PDO DSN string from DSN array
|
|
*/
|
|
protected function dsn_string($dsn)
|
|
{
|
|
$params = array();
|
|
$result = 'mysql:';
|
|
|
|
if ($dsn['database']) {
|
|
$params[] = 'dbname=' . $dsn['database'];
|
|
}
|
|
|
|
if ($dsn['hostspec']) {
|
|
$params[] = 'host=' . $dsn['hostspec'];
|
|
}
|
|
|
|
if ($dsn['port']) {
|
|
$params[] = 'port=' . $dsn['port'];
|
|
}
|
|
|
|
if ($dsn['socket']) {
|
|
$params[] = 'unix_socket=' . $dsn['socket'];
|
|
}
|
|
|
|
$params[] = 'charset=utf8';
|
|
|
|
if (!empty($params)) {
|
|
$result .= implode(';', $params);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Get database runtime variables
|
|
*
|
|
* @param string $varname Variable name
|
|
* @param mixed $default Default value if variable is not set
|
|
*
|
|
* @return mixed Variable value or default
|
|
*/
|
|
public function get_variable($varname, $default = null)
|
|
{
|
|
if (!isset($this->variables)) {
|
|
$this->variables = array();
|
|
|
|
$result = $this->query('SHOW VARIABLES');
|
|
|
|
while ($sql_arr = $this->fetch_array($result)) {
|
|
$this->variables[$row[0]] = $row[1];
|
|
}
|
|
}
|
|
|
|
return isset($this->variables[$varname]) ? $this->variables[$varname] : $default;
|
|
}
|
|
|
|
}
|