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| | |
| | | | program/include/rcube_mdb2.inc | |
| | | | | |
| | | | This file is part of the RoundCube Webmail client | |
| | | | Copyright (C) 2005, RoundCube Dev. - Switzerland | |
| | | | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland | |
| | | | Licensed under the GNU GPL | |
| | | | | |
| | | | PURPOSE: | |
| | |
| | | * |
| | | * This is a wrapper for the PEAR::MDB2 class |
| | | * |
| | | * @package RoundCube Webmail |
| | | * @package Database |
| | | * @author David Saez Padros <david@ols.es> |
| | | * @author Thomas Bruederli <roundcube@gmail.com> |
| | | * @author Lukas Kahwe Smith <smith@pooteeweet.org> |
| | | * @version 1.16 |
| | | * @link http://pear.php.net/package/MDB2 |
| | | */ |
| | | class rcube_db |
| | | class rcube_mdb2 |
| | | { |
| | | var $db_dsnw; // DSN for write operations |
| | | var $db_dsnr; // DSN for read operations |
| | |
| | | var $db_handle = 0; // Connection handle |
| | | var $db_error = false; |
| | | var $db_error_msg = ''; |
| | | var $debug_mode = false; |
| | | |
| | | var $a_query_results = array('dummy'); |
| | | var $last_res_id = 0; |
| | |
| | | * @param string DSN for read/write operations |
| | | * @param string Optional DSN for read only operations |
| | | */ |
| | | function __construct($db_dsnw, $db_dsnr='') |
| | | function __construct($db_dsnw, $db_dsnr='', $pconn=false) |
| | | { |
| | | if ($db_dsnr=='') |
| | | $db_dsnr=$db_dsnw; |
| | | |
| | | $this->db_dsnw = $db_dsnw; |
| | | $this->db_dsnr = $db_dsnr; |
| | | |
| | | $this->db_pconn = $pconn; |
| | | |
| | | $dsn_array = MDB2::parseDSN($db_dsnw); |
| | | $this->db_provider = $dsn_array['phptype']; |
| | | } |
| | |
| | | /** |
| | | * PHP 4 object constructor |
| | | * |
| | | * @see rcube_MDB2::__construct |
| | | * @see rcube_mdb2::__construct |
| | | */ |
| | | function rcube_db($db_dsnw,$db_dsnr='') |
| | | { |
| | |
| | | function dsn_connect($dsn) |
| | | { |
| | | // Use persistent connections if available |
| | | $dbh = MDB2::connect($dsn, array('persistent' => TRUE, 'portability' => MDB2_PORTABILITY_ALL ^ MDB2_PORTABILITY_EMPTY_TO_NULL)); |
| | | $dbh = MDB2::connect($dsn, array( |
| | | 'persistent' => $this->db_pconn, |
| | | 'emulate_prepared' => $this->debug_mode, |
| | | 'debug' => $this->debug_mode, |
| | | 'debug_handler' => 'mdb2_debug_handler', |
| | | 'portability' => MDB2_PORTABILITY_ALL ^ MDB2_PORTABILITY_EMPTY_TO_NULL)); |
| | | |
| | | if (PEAR::isError($dbh)) |
| | | if (MDB2::isError($dbh)) |
| | | { |
| | | $this->db_error = TRUE; |
| | | $this->db_error_msg = $dbh->getMessage(); |
| | | |
| | | raise_error(array('code' => 500, 'type' => 'db', 'line' => __LINE__, 'file' => __FILE__, |
| | | 'message' => $dbh->getMessage()), TRUE, FALSE); |
| | | raise_error(array('code' => 500, 'type' => 'db', 'line' => __LINE__, |
| | | 'file' => __FILE__, 'message' => $dbh->getUserInfo()), TRUE, FALSE); |
| | | } |
| | | |
| | | else if ($this->db_provider=='sqlite') |
| | | { |
| | | $dsn_array = MDB2::parseDSN($dsn); |
| | | if (!filesize($dsn_array['database']) && !empty($this->sqlite_initials)) |
| | | $this->_sqlite_create_database($dbh, $this->sqlite_initials); |
| | | } |
| | | else |
| | | $dbh->setCharset('utf8'); |
| | | |
| | | return $dbh; |
| | | } |
| | |
| | | $this->db_connected = true; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Activate/deactivate debug mode |
| | | * |
| | | * @param boolean True if SQL queries should be logged |
| | | */ |
| | | function set_debug($dbg = true) |
| | | { |
| | | $this->debug_mode = $dbg; |
| | | if ($this->db_connected) |
| | | { |
| | | $this->db_handle->setOption('debug', $dbg); |
| | | $this->db_handle->setOption('emulate_prepared', $dbg); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | |
| | | if (!$this->db_handle) |
| | | return FALSE; |
| | | |
| | | return $result; |
| | | return $this->_get_result($result); |
| | | } |
| | | |
| | | |
| | |
| | | return $this->db_handle->quoteIdentifier($str); |
| | | } |
| | | |
| | | /** |
| | | * Escapes a string |
| | | * |
| | | * @param string The string to be escaped |
| | | * @return string The escaped string |
| | | * @access public |
| | | * @since 0.1.1 |
| | | */ |
| | | function escapeSimple($str) |
| | | { |
| | | if (!$this->db_handle) |
| | | $this->db_connect('r'); |
| | | |
| | | return $this->db_handle->escape($str); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Return SQL function for current time and date |
| | | * |
| | | * @return string SQL function to use in query |
| | | * @access public |
| | | */ |
| | | function now() |
| | | { |
| | | switch($this->db_provider) |
| | | { |
| | | case 'mssql': |
| | | return "getdate()"; |
| | | |
| | | default: |
| | | return "now()"; |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Return SQL statement to convert a field value into a unix timestamp |
| | |
| | | case 'pgsql': |
| | | return "EXTRACT (EPOCH FROM $field)"; |
| | | break; |
| | | |
| | | case 'mssql': |
| | | return "datediff(s, '1970-01-01 00:00:00', $field)"; |
| | | |
| | | default: |
| | | return "UNIX_TIMESTAMP($field)"; |
| | |
| | | |
| | | } // end class rcube_db |
| | | |
| | | ?> |
| | | |
| | | /* this is our own debug handler for the MDB2 connection */ |
| | | function mdb2_debug_handler(&$db, $scope, $message, $context = array()) |
| | | { |
| | | if ($scope != 'prepare') |
| | | { |
| | | $debug_output = $scope . '('.$db->db_index.'): '; |
| | | $debug_output .= $message . $db->getOption('log_line_break'); |
| | | write_log('sqllog', $debug_output); |
| | | } |
| | | } |
| | | |
| | | |
| | | ?> |