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https://github.com/EGroupware/egroupware.git
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extract PDO code from Sqlfs streamwrapper into class Api\Db\Pdo, to be able to use it for z-push SqlStateMaschine
This commit is contained in:
Ralf Becker
parent
3f9fd761bb
commit
ab02df94d4
159
api/src/Db/Pdo.php
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159
api/src/Db/Pdo.php
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@ -0,0 +1,159 @@
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<?php
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/**
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* EGroupware API: PDO database connection
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*
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* @link http://www.egroupware.org
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package api
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* @subpackage db
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @copyright (c) 2008-16 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @version $Id$
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*/
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namespace EGroupware\Api\Db;
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/**
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* PDO database connection
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*/
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class Pdo
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{
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/**
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* Reference to the PDO object we use
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*
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* @var \PDO
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*/
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static protected $pdo;
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/**
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* PDO database type: mysql, pgsl
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*
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* @var string
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*/
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public static $pdo_type;
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/**
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* Case sensitive comparison operator, for mysql we use ' COLLATE utf8_bin ='
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*
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* @var string
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*/
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public static $case_sensitive_equal = '=';
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/**
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* Get active PDO connection
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*
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* @return \PDO
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* @throws \PDOException when opening PDO connection fails
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* @throws Exception when opening regular db-connection fails
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*/
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static public function connection()
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{
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if (!isset(self::$pdo))
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{
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self::reconnect();
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}
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return self::$pdo;
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}
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/**
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* Reconnect to database
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*/
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static public function reconnect()
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{
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self::$pdo = self::_pdo();
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}
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/**
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* Create pdo object / connection, as long as pdo is not generally used in eGW
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*
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* @return \PDO
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*/
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static protected function _pdo()
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{
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$egw_db = isset($GLOBALS['egw_setup']) ? $GLOBALS['egw_setup']->db : $GLOBALS['egw']->db;
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switch($egw_db->Type)
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{
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case 'mysqli':
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case 'mysqlt':
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case 'mysql':
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self::$case_sensitive_equal = '= BINARY ';
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self::$pdo_type = 'mysql';
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break;
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default:
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self::$pdo_type = $egw_db->Type;
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break;
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}
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// get host used be egw_db
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$egw_db->connect();
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$host = $egw_db->get_host();
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$dsn = self::$pdo_type.':dbname='.$egw_db->Database.($host ? ';host='.$host.($egw_db->Port ? ';port='.$egw_db->Port : '') : '');
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// check once if pdo extension and DB specific driver is loaded or can be loaded
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static $pdo_available=null;
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if (is_null($pdo_available))
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{
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foreach(array('pdo','pdo_'.self::$pdo_type) as $ext)
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{
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check_load_extension($ext,true); // true = throw Exception
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}
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$pdo_available = true;
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}
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// set client charset of the connection
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switch(self::$pdo_type)
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{
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case 'mysql':
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$dsn .= ';charset=utf8';
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break;
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case 'pgsql':
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$query = "SET NAMES 'utf-8'";
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break;
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}
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try {
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self::$pdo = new \PDO($dsn,$egw_db->User,$egw_db->Password,array(
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\PDO::ATTR_ERRMODE=>\PDO::ERRMODE_EXCEPTION,
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));
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}
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catch(\PDOException $e)
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{
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unset($e);
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// Exception reveals password, so we ignore the exception and connect again without pw, to get the right exception without pw
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self::$pdo = new \PDO($dsn,$egw_db->User,'$egw_db->Password');
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}
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if ($query)
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{
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self::$pdo->exec($query);
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}
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return self::$pdo;
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}
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/**
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* Just a little abstration 'til I know how to organise stuff like that with PDO
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*
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* @param mixed $time
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* @return string Y-m-d H:i:s
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*/
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static public function _pdo_timestamp($time)
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{
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if (is_numeric($time))
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{
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$time = date('Y-m-d H:i:s',$time);
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}
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return $time;
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}
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/**
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* Just a little abstration 'til I know how to organise stuff like that with PDO
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*
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* @param boolean $val
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* @return string '1' or '0' for mysql, 'true' or 'false' for everyone else
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*/
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static public function _pdo_boolean($val)
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{
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if (self::$pdo_type == 'mysql')
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{
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return $val ? '1' : '0';
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}
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return $val ? 'true' : 'false';
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}
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}
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@ -34,7 +34,7 @@ use EGroupware\Api;
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*
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* @link http://www.php.net/manual/en/function.stream-wrapper-register.php
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*/
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class StreamWrapper implements Vfs\StreamWrapperIface
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class StreamWrapper extends Api\Db\Pdo implements Vfs\StreamWrapperIface
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{
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/**
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* Mime type of directories, the old vfs uses 'Directory', while eg. WebDAV uses 'httpd/unix-directory'
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@ -141,12 +141,6 @@ class StreamWrapper implements Vfs\StreamWrapperIface
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* @var array $path => info-array pairs
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*/
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static protected $stat_cache = array();
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/**
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* Reference to the PDO object we use
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*
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* @var \PDO
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*/
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static protected $pdo;
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/**
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* Array with filenames of dir opened with dir_opendir
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*
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@ -1624,116 +1618,6 @@ class StreamWrapper implements Vfs\StreamWrapperIface
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return $stat;
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}
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public static $pdo_type;
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/**
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* Case sensitive comparison operator, for mysql we use ' COLLATE utf8_bin ='
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*
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* @var string
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*/
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public static $case_sensitive_equal = '=';
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/**
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* Reconnect to database
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*/
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static public function reconnect()
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{
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self::$pdo = self::_pdo();
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}
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/**
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* Create pdo object / connection, as long as pdo is not generally used in eGW
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*
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* @return \PDO
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*/
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static protected function _pdo()
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{
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$egw_db = isset($GLOBALS['egw_setup']) ? $GLOBALS['egw_setup']->db : $GLOBALS['egw']->db;
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switch($egw_db->Type)
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{
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case 'mysqli':
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case 'mysqlt':
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case 'mysql':
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self::$case_sensitive_equal = '= BINARY ';
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self::$pdo_type = 'mysql';
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break;
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default:
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self::$pdo_type = $egw_db->Type;
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break;
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}
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// get host used be egw_db
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$egw_db->connect();
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$host = $egw_db->get_host();
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$dsn = self::$pdo_type.':dbname='.$egw_db->Database.($host ? ';host='.$host.($egw_db->Port ? ';port='.$egw_db->Port : '') : '');
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// check once if pdo extension and DB specific driver is loaded or can be loaded
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static $pdo_available=null;
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if (is_null($pdo_available))
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{
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foreach(array('pdo','pdo_'.self::$pdo_type) as $ext)
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{
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check_load_extension($ext,true); // true = throw Exception
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}
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$pdo_available = true;
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}
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// set client charset of the connection
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switch(self::$pdo_type)
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{
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case 'mysql':
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$dsn .= ';charset=utf8';
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break;
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case 'pgsql':
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$query = "SET NAMES 'utf-8'";
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break;
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}
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try {
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self::$pdo = new \PDO($dsn,$egw_db->User,$egw_db->Password,array(
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\PDO::ATTR_ERRMODE=>\PDO::ERRMODE_EXCEPTION,
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));
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}
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catch(\PDOException $e)
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{
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unset($e);
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// Exception reveals password, so we ignore the exception and connect again without pw, to get the right exception without pw
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self::$pdo = new \PDO($dsn,$egw_db->User,'$egw_db->Password');
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}
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if ($query)
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{
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self::$pdo->exec($query);
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}
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return self::$pdo;
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}
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/**
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* Just a little abstration 'til I know how to organise stuff like that with PDO
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*
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* @param mixed $time
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* @return string Y-m-d H:i:s
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*/
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static protected function _pdo_timestamp($time)
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{
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if (is_numeric($time))
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{
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$time = date('Y-m-d H:i:s',$time);
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}
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return $time;
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}
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/**
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* Just a little abstration 'til I know how to organise stuff like that with PDO
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*
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* @param boolean $val
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* @return string '1' or '0' for mysql, 'true' or 'false' for everyone else
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*/
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static protected function _pdo_boolean($val)
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{
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if (self::$pdo_type == 'mysql')
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{
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return $val ? '1' : '0';
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}
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return $val ? 'true' : 'false';
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}
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/**
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* Maximum value for a single hash element (should be 10^N): 10, 100 (default), 1000, ...
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*
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