mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-23 16:33:17 +01:00
1265 lines
35 KiB
PHP
1265 lines
35 KiB
PHP
<?php
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/**************************************************************************\
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* phpGroupWare API - database support via ADOdb *
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* ------------------------------------------------------------------------ *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published *
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* by the Free Software Foundation; either version 2.1 of the License, or *
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* any later version. *
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\**************************************************************************/
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/* $Id$ */
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/*
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* Database abstraction library
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*
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* This allows eGroupWare to use multiple database backends via ADOdb 4.20
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*
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* @package phpgwapi
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* @subpackage db
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* @author RalfBecker@outdoor-training.de
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* @license LGPL
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*/
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if(empty($GLOBALS['phpgw_info']['server']['db_type']))
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{
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$GLOBALS['phpgw_info']['server']['db_type'] = 'mysql';
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}
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if (!isset($GLOBALS['phpgw_info']['server']['use_adodb']) || $GLOBALS['phpgw_info']['server']['use_adodb'])
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{
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include_once(PHPGW_API_INC.'/adodb/adodb.inc.php');
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}
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class db_
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{
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/**
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* @var string $type database type
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*/
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var $Type = '';
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/**
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* @var string $Host database host to connect to
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*/
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var $Host = '';
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/**
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* @var string $Port port number of database to connect to
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*/
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var $Port = '';
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/**
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* @var string $Database name of database to use
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*/
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var $Database = '';
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/**
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* @var string $User name of database user
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*/
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var $User = '';
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/**
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* @var string $Password password for database user
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*/
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var $Password = '';
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/**
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* @var bool $auto_stripslashes automatically remove slashes when returning field values - default False
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*/
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var $auto_stripslashes = False;
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/**
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* @var int $Auto_Free automatically free results - 0 no, 1 yes
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*/
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var $Auto_Free = 0;
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/**
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* @var int $Debug enable debuging - 0 no, 1 yes
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*/
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var $Debug = 0;
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/**
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* @var string $Halt_On_Error "yes" (halt with message), "no" (ignore errors quietly), "report" (ignore errror, but spit a warning)
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*/
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var $Halt_On_Error = 'no';//'yes';
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/**
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* @var string $Seq_Table table for storing sequences ????
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*/
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var $Seq_Table = 'db_sequence';
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/**
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* @var array $Record current record
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*/
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var $Record = array();
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/**
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* @var int row number for current record
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*/
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var $Row;
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/**
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* @var int $Errno internal rdms error number for last error
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*/
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var $Errno = 0;
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/**
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* @var string descriptive text from last error
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*/
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var $Error = '';
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//i am not documenting private vars - skwashd :)
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var $xmlrpc = False;
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var $soap = False;
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var $Link_ID = 0;
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var $privat_Link_ID = False; // do we use a privat Link_ID or a reference to the global ADOdb object
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var $Query_ID = 0;
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/**
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* @param string $query query to be executed (optional)
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*/
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function db($query = '')
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{
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$this->query($query);
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}
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function db_($query='') {} // only for NOT useing ADOdb
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/**
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* @return int current connection id
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*/
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function link_id()
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{
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return $this->Link_ID;
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}
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/**
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* @return int id of current query
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*/
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function query_id()
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{
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return $this->Query_ID;
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}
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/**
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* Open a connection to a database
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*
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* @param string $Database name of database to use (optional)
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* @param string $Host database host to connect to (optional)
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* @param string $Port database port to connect to (optional)
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* @param string $User name of database user (optional)
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* @param string $Password password for database user (optional)
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*/
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function connect($Database = NULL, $Host = NULL, $Port = NULL, $User = NULL, $Password = NULL,$Type = NULL)
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{
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/* Handle defaults */
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if (!is_null($Database) && $Database)
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{
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$this->Database = $Database;
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}
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if (!is_null($Host) && $Host)
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{
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$this->Host = $Host;
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}
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if (!is_null($Port) && $Port)
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{
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$this->Port = $Port;
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}
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if (!is_null($User) && $User)
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{
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$this->User = $User;
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}
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if (!is_null($Password) && $Password)
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{
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$this->Password = $Password;
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}
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if (!is_null($Type) && $Type)
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{
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$this->Type = $Type;
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}
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elseif (!$this->Type)
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{
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$this->Type = $GLOBALS['phpgw_info']['server']['db_type'];
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}
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if (!$this->Link_ID)
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{
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switch($this->Type) // convert to ADO db-type-names
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{
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case 'pgsql':
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$type = 'postgres';
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// create our own pgsql connection-string, to allow unix domain soccets if !$Host
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$Host = "dbname=$this->Database".($this->Host ? " host=$this->Host".($this->Port ? " port=$this->Port" : '') : '').
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" user=$this->User".($this->Password ? " password='".addslashes($this->Password)."'" : '');
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$User = $Password = $Database = ''; // to indicate $Host is a connection-string
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break;
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default:
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$Host = $this->Host . ($this->Port ? ':'.$this->Port : '');
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foreach(array('Database','User','Password') as $name)
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{
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$$name = $this->$name;
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}
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$type = $this->Type;
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}
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if (!is_object($GLOBALS['phpgw']->ADOdb) || // we have no connection so far
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(is_object($GLOBALS['phpgw']->db) && // we connect to a different db, then the global one
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($this->Type != $GLOBALS['phpgw']->db->Type ||
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$this->Database != $GLOBALS['phpgw']->db->Database ||
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$this->User != $GLOBALS['phpgw']->db->User ||
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$this->Host != $GLOBALS['phpgw']->db->Host ||
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$this->Port != $GLOBALS['phpgw']->db->Port)))
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{
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if (!is_object($GLOBALS['phpgw']->ADOdb)) // use the global object to store the connection
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{
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$this->Link_ID = &$GLOBALS['phpgw']->ADOdb;
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}
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else
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{
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$this->privat_Link_ID = True; // remember that we use a privat Link_ID for disconnect
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}
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$this->Link_ID = ADONewConnection($type);
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if (!$this->Link_ID)
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{
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$this->halt("No ADOdb support for '$type' !!!");
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return 0; // in case error-reporting = 'no'
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}
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$connect = $GLOBALS['phpgw_info']['server']['db_persistent'] ? 'PConnect' : 'Connect';
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if (!$this->Link_ID->$connect($Host, $User, $Password, $Database))
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{
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$this->halt("ADOdb::$connect($Host, $User, \$Password, $Database) failed.");
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return 0; // in case error-reporting = 'no'
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}
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//echo "new ADOdb connection<pre>".print_r($GLOBALS['phpgw']->ADOdb,True)."</pre>\n";
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}
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else
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{
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$this->Link_ID = &$GLOBALS['phpgw']->ADOdb;
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}
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}
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return $this->Link_ID;
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}
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/**
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* Close a connection to a database
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*/
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function disconnect()
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{
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if (!$this->privat_Link_ID)
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{
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unset($GLOBALS['phpgw']->ADOdb);
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}
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unset($this->Link_ID);
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$this->Link_ID = 0;
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}
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/**
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* Escape strings before sending them to the database
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*
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* @param string $str the string to be escaped
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* @return string escaped sting
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*/
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function db_addslashes($str)
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{
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if (!isset($str) || $str == '')
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{
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return '';
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}
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// REMOVE-IF-ONLY-ADODB
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if (isset($GLOBALS['phpgw_info']['server']['use_adodb']) &&
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!@$GLOBALS['phpgw_info']['server']['use_adodb'])
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{
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return addslashes($str);
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}
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if (!$this->Link_ID && !$this->connect())
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{
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return False;
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}
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// the substring is needed as the string is already in quotes
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return substr($this->Link_ID->quote($str),1,-1);
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}
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/**
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* Convert a unix timestamp to a rdms specific timestamp
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*
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* @param int unix timestamp
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* @return string rdms specific timestamp
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*/
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function to_timestamp($epoch)
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{
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if (!$this->Link_ID && !$this->connect())
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{
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return False;
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}
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// the substring is needed as the string is already in quotes
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return substr($this->Link_ID->DBTimeStamp($epoch),1,-1);
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}
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/**
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* Convert a rdms specific timestamp to a unix timestamp
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*
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* @param string rdms specific timestamp
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* @return int unix timestamp
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*/
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function from_timestamp($timestamp)
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{
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if (!$this->Link_ID && !$this->connect())
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{
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return False;
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}
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return $this->Link_ID->UnixTimeStamp($timestamp);
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}
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/**
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* @deprecated
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* @see limit_query()
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*/
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function limit($start)
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{}
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/**
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* Discard the current query result
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*/
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function free()
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{
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unset($this->Query_ID); // else copying of the db-object does not work
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$this->Query_ID = 0;
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}
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/**
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* Execute a query
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*
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* @param string $Query_String the query to be executed
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* @param mixed $line the line method was called from - use __LINE__
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* @param string $file the file method was called from - use __FILE__
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* @param int $offset row to start from
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* @param int $num_rows number of rows to return (optional), if unset will use $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs']
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* @return int current query id if sucesful and null if fails
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*/
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function query($Query_String, $line = '', $file = '', $offset=0, $num_rows=-1)
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{
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if ($Query_String == '')
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{
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return 0;
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}
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if (!$this->Link_ID && !$this->connect())
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{
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return False;
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}
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# New query, discard previous result.
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if ($this->Query_ID)
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{
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$this->free();
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}
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if ($this->Link_ID->fetchMode != ADODB_FETCH_BOTH)
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{
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$this->Link_ID->SetFetchMode(ADODB_FETCH_BOTH);
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}
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if (! $num_rows)
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{
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$num_rows = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
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}
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if ($num_rows > 0)
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{
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$this->Query_ID = $this->Link_ID->SelectLimit($Query_String,$num_rows,(int)$offset);
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}
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else
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{
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$this->Query_ID = $this->Link_ID->Execute($Query_String);
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}
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$this->Row = 0;
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$this->Errno = $this->Link_ID->ErrorNo();
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$this->Error = $this->Link_ID->ErrorMsg();
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if (! $this->Query_ID)
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{
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$this->halt("Invalid SQL: ".$Query_String, $line, $file);
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}
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return $this->Query_ID;
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}
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/**
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* Execute a query with limited result set
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*
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* @param string $Query_String the query to be executed
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* @param int $offset row to start from
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* @param mixed $line the line method was called from - use __LINE__
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* @param string $file the file method was called from - use __FILE__
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* @param int $num_rows number of rows to return (optional), if unset will use $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs']
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* @return int current query id if sucesful and null if fails
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*/
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function limit_query($Query_String, $offset, $line = '', $file = '', $num_rows = '')
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{
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return $this->query($Query_String,$line,$file,$offset,$num_rows);
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}
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/**
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* Move to the next row in the results set
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*
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* @return bool was another row found?
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*/
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function next_record()
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{
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if (!$this->Query_ID)
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{
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$this->halt('next_record called with no query pending.');
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return 0;
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}
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if ($this->Row) // first row is already fetched
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{
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$this->Query_ID->MoveNext();
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}
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++$this->Row;
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$this->Record = $this->Query_ID->fields;
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if ($this->Query_ID->EOF || !$this->Query_ID->RecordCount() || !is_array($this->Record))
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{
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return False;
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}
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return True;
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}
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/**
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* Move to position in result set
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*
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* @param int $pos required row (optional), default first row
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* @return int 1 if sucessful or 0 if not found
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*/
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function seek($pos = 0)
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{
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if (!$this->Query_ID || !$this->Query_ID->Move($this->Row = $pos))
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{
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$this->halt("seek($pos) failed: resultset has " . $this->num_rows() . " rows");
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$this->Query_ID->Move( $this->num_rows() );
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$this->Row = $this->num_rows();
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return False;
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}
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return True;
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}
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/**
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* Begin Transaction
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*
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* @return int current transaction id
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*/
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function transaction_begin()
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{
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if (!$this->Link_ID && !$this->connect())
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{
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return False;
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}
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//return $this->Link_ID->BeginTrans();
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return $this->Link_ID->StartTrans();
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}
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/**
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* Complete the transaction
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*
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* @return bool True if sucessful, False if fails
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*/
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function transaction_commit()
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{
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if (!$this->Link_ID && !$this->connect())
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{
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return False;
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}
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//return $this->Link_ID->CommitTrans();
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return $this->Link_ID->CompleteTrans();
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}
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/**
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* Rollback the current transaction
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*
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* @return bool True if sucessful, False if fails
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*/
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function transaction_abort()
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{
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if (!$this->Link_ID && !$this->connect())
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{
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return False;
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}
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//return $this->Link_ID->RollbackTrans();
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return $this->Link_ID->FailTrans();
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}
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/**
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* Find the primary key of the last insertion on the current db connection
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*
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* @param string $table name of table the insert was performed on
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* @param string $field the autoincrement primary key of the table
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* @return int the id, -1 if fails
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*/
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function get_last_insert_id($table, $field)
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{
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if (!$this->Link_ID && !$this->connect())
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{
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return False;
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}
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$id = $this->Link_ID->Insert_ID();
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if ($id === False) // function not supported
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{
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echo "<p>db::get_last_insert_id(table='$table',field='$field') not yet implemented for db-type '$this->Type'</p>\n";
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return -1;
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}
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if ($this->Type != 'pgsql' || $id == -1)
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{
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return $id;
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}
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// pgsql code to transform the OID into the real id
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$id = $this->Link_ID->GetOne("SELECT $field FROM $table WHERE oid=$id");
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return $id !== False ? $id : -1;
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}
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/**
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* Lock a table
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*
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* @param string $table name of table to lock
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* @param string $mode type of lock required (optional), default write
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* @return bool True if sucessful, False if fails
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*/
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function lock($table, $mode='write')
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{}
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/**
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* Unlock a table
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*
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* @return bool True if sucessful, False if fails
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*/
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function unlock()
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{}
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/**
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* Get the number of rows affected by last update
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*
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* @return int number of rows
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*/
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function affected_rows()
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{
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if (!$this->Link_ID && !$this->connect())
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{
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return False;
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}
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return $this->Link_ID->Affected_Rows();
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}
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/**
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* Number of rows in current result set
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*
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* @return int number of rows
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*/
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function num_rows()
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{
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return $this->Query_ID ? $this->Query_ID->RecordCount() : False;
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}
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|
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/**
|
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* Number of fields in current row
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*
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* @return int number of fields
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*/
|
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function num_fields()
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{
|
|
return $this->Query_ID ? $this->Query_ID->FieldCount() : False;
|
|
}
|
|
|
|
/**
|
|
* short hand for @see num_rows()
|
|
*/
|
|
function nf()
|
|
{
|
|
return $this->num_rows();
|
|
}
|
|
|
|
/**
|
|
* short hand for print @see num_rows
|
|
*/
|
|
function np()
|
|
{
|
|
print $this->num_rows();
|
|
}
|
|
|
|
/**
|
|
* Return the value of a column
|
|
*
|
|
* @param string/integer $Name name of field or positional index starting from 0
|
|
* @param bool $strip_slashes string escape chars from field(optional), default false
|
|
* @return string the field value
|
|
*/
|
|
function f($Name, $strip_slashes = False)
|
|
{
|
|
if ($strip_slashes || ($this->auto_stripslashes && ! $strip_slashes))
|
|
{
|
|
return stripslashes($this->Record[$Name]);
|
|
}
|
|
else
|
|
{
|
|
return $this->Record[$Name];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Print the value of a field
|
|
*
|
|
* @param string $Name name of field to print
|
|
* @param bool $strip_slashes string escape chars from field(optional), default false
|
|
*/
|
|
function p($Name, $strip_slashes = True)
|
|
{
|
|
print $this->f($Name, $strip_slashes);
|
|
}
|
|
|
|
/**
|
|
* Returns a query-result-row as an associative array (no numerical keys !!!)
|
|
*
|
|
* @param bool $do_next_record should next_record() be called or not (default not)
|
|
* @return array/bool the associative array or False if no (more) result-row is availible
|
|
*/
|
|
function row($do_next_record=False)
|
|
{
|
|
if ($do_next_record && !$this->next_record() || !is_array($this->Record))
|
|
{
|
|
return False;
|
|
}
|
|
$result = array();
|
|
foreach($this->Record as $column => $value)
|
|
{
|
|
if (!is_numeric($column))
|
|
{
|
|
$result[$column] = $value;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Get the id for the next sequence - not implemented!
|
|
*
|
|
* This seems not to be used anywhere in eGroupWhere !!!
|
|
*
|
|
* @param string $seq_name name of the sequence
|
|
* @return int sequence id
|
|
*/
|
|
function nextid($seq_name)
|
|
{
|
|
echo "<p>db::nextid(sequence='$seq_name') not yet implemented</p>\n";
|
|
}
|
|
|
|
/**
|
|
* Error handler
|
|
*
|
|
* @param string $msg error message
|
|
* @param int $line line of calling method/function (optional)
|
|
* @param string $file file of calling method/function (optional)
|
|
*/
|
|
function halt($msg, $line = '', $file = '')
|
|
{
|
|
if ($this->Link_ID) // only if we have a link, else infinite loop
|
|
{
|
|
$this->Error = $this->Link_ID->ErrorMsg(); // need to be BEFORE unlock,
|
|
$this->Errno = $this->Link_ID->ErrorNo(); // else we get its error or none
|
|
|
|
$this->unlock(); /* Just in case there is a table currently locked */
|
|
}
|
|
if ($this->Halt_On_Error == "no")
|
|
{
|
|
return;
|
|
}
|
|
$this->haltmsg($msg);
|
|
|
|
if ($file)
|
|
{
|
|
printf("<br><b>File:</b> %s",$file);
|
|
}
|
|
if ($line)
|
|
{
|
|
printf("<br><b>Line:</b> %s",$line);
|
|
}
|
|
printf("<br><b>Function:</b> %s\n",function_backtrace(2));
|
|
|
|
if ($this->Halt_On_Error != "report")
|
|
{
|
|
echo "<p><b>Session halted.</b>";
|
|
$GLOBALS['phpgw']->common->phpgw_exit(True);
|
|
}
|
|
}
|
|
|
|
function haltmsg($msg)
|
|
{
|
|
printf("<p><b>Database error:</b> %s<br>\n", $msg);
|
|
if ($this->Errno != "0" && $this->Error != "()")
|
|
{
|
|
printf("<b>$this->Type Error</b>: %s (%s)<br>\n",$this->Errno,$this->Error);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get description of a table
|
|
*
|
|
* Beside the column-name all other data depends on the db-type !!!
|
|
*
|
|
* @param string $table name of table to describe
|
|
* @param bool $full optional, default False summary information, True full information
|
|
* @return array table meta data
|
|
*/
|
|
function metadata($table='',$full=false)
|
|
{
|
|
if (!$this->Link_ID && !$this->connect())
|
|
{
|
|
return False;
|
|
}
|
|
$columns = $this->Link_ID->MetaColumns($table);
|
|
//$columns = $this->Link_ID->MetaColumnsSQL($table);
|
|
//echo "<b>metadata</b>('$table')=<pre>\n".print_r($columns,True)."</pre>\n";
|
|
|
|
$metadata = array();
|
|
$i = 0;
|
|
foreach($columns as $column)
|
|
{
|
|
// for backwards compatibilty (depreciated)
|
|
unset($flags);
|
|
if($column->auto_increment) $flags .= "auto_increment ";
|
|
if($column->primary_key) $flags .= "primary_key ";
|
|
if($column->binary) $flags .= "binary ";
|
|
|
|
// _debug_array($column);
|
|
$metadata[$i] = array(
|
|
'table' => $table,
|
|
'name' => $column->name,
|
|
'type' => $column->type,
|
|
'len' => $column->max_length,
|
|
'flags' => $flags, // for backwards compatibilty (depreciated) used by JiNN atm
|
|
'not_null' => $column->not_null,
|
|
'auto_increment' => $column->auto_increment,
|
|
'primary_key' => $column->primary_key,
|
|
'binary' => $column->binary,
|
|
'has_default' => $column->has_default,
|
|
'default' => $column->default_value,
|
|
);
|
|
$metadata[$i]['table'] = $table;
|
|
if ($full)
|
|
{
|
|
$metadata['meta'][$column->name] = $i;
|
|
}
|
|
++$i;
|
|
}
|
|
if ($full)
|
|
{
|
|
$metadata['num_fields'] = $i;
|
|
}
|
|
return $metadata;
|
|
}
|
|
|
|
/**
|
|
* Get a list of table names in the current database
|
|
*
|
|
* @return array list of the tables
|
|
*/
|
|
function table_names()
|
|
{
|
|
if (!$this->Link_ID && !$this->connect())
|
|
{
|
|
return False;
|
|
}
|
|
$result = array();
|
|
$tables = $this->Link_ID->MetaTables('TABLES');
|
|
if (is_array($tables))
|
|
{
|
|
foreach($tables as $table)
|
|
{
|
|
$result[] = array(
|
|
'table_name' => $table,
|
|
'tablespace_name' => $this->Database,
|
|
'database' => $this->Database
|
|
);
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Return a list of indexes in current database
|
|
*
|
|
* @return array list of indexes
|
|
*/
|
|
function index_names()
|
|
{
|
|
$indices = array();
|
|
if ($this->Type != 'pgsql')
|
|
{
|
|
echo "<p>db::index_names() not yet implemented for db-type '$this->Type'</p>\n";
|
|
return $indices;
|
|
}
|
|
$this->query("SELECT relname FROM pg_class WHERE NOT relname ~ 'pg_.*' AND relkind ='i' ORDER BY relname");
|
|
while ($this->next_record())
|
|
{
|
|
$indices[] = array(
|
|
'index_name' => $this->f(0),
|
|
'tablespace_name' => $this->Database,
|
|
'database' => $this->Database,
|
|
);
|
|
}
|
|
return $indices;
|
|
}
|
|
|
|
/**
|
|
* Returns an array containing column names that are the primary keys of $tablename.
|
|
*
|
|
* @return array of columns
|
|
*/
|
|
function pkey_columns($tablename)
|
|
{
|
|
if (!$this->Link_ID && !$this->connect())
|
|
{
|
|
return False;
|
|
}
|
|
// REMOVE-IF-ONLY-ADODB
|
|
if (isset($GLOBALS['phpgw_info']['server']['use_adodb']) &&
|
|
!@$GLOBALS['phpgw_info']['server']['use_adodb'])
|
|
{
|
|
return array();
|
|
}
|
|
return $this->Link_ID->MetaPrimaryKeys($tablename);
|
|
}
|
|
|
|
/**
|
|
* Create a new database
|
|
*
|
|
* @param string $adminname name of database administrator user (optional)
|
|
* @param string $adminpasswd password for the database administrator user (optional)
|
|
*/
|
|
function create_database($adminname = '', $adminpasswd = '')
|
|
{
|
|
$currentUser = $this->User;
|
|
$currentPassword = $this->Password;
|
|
$currentDatabase = $this->Database;
|
|
|
|
$extra = array();
|
|
switch ($this->Type)
|
|
{
|
|
case 'pgsql':
|
|
$meta_db = 'template1';
|
|
break;
|
|
case 'mysql':
|
|
$meta_db = 'mysql';
|
|
$extra[] = "grant all on $currentDatabase.* to $currentUser@localhost identified by '$currentPassword'";
|
|
break;
|
|
default:
|
|
echo "<p>db::create_database(user='$adminname',\$pw) not yet implemented for DB-type '$this->Type'</p>\n";
|
|
break;
|
|
}
|
|
if ($adminname != '')
|
|
{
|
|
$this->User = $adminname;
|
|
$this->Password = $adminpasswd;
|
|
$this->Database = $meta_db;
|
|
}
|
|
$this->disconnect();
|
|
$this->query("CREATE DATABASE $currentDatabase");
|
|
foreach($extra as $sql)
|
|
{
|
|
$this->query($sql);
|
|
}
|
|
$this->disconnect();
|
|
|
|
$this->User = $currentUser;
|
|
$this->Password = $currentPassword;
|
|
$this->Database = $currentDatabase;
|
|
$this->connect();
|
|
}
|
|
|
|
/**
|
|
* concat a variable number of strings together, to be used in a query
|
|
*
|
|
* Example: $db->concat($db->quote('Hallo '),'username') would return
|
|
* for mysql "concat('Hallo ',username)" or "'Hallo ' || username" for postgres
|
|
* @param $str1 string already quoted stringliteral or column-name, variable number of arguments
|
|
* @return string to be used in a query
|
|
*/
|
|
function concat($str1)
|
|
{
|
|
$args = func_get_args();
|
|
|
|
// REMOVE-IF-ONLY-ADODB
|
|
if (isset($GLOBALS['phpgw_info']['server']['use_adodb']) &&
|
|
!@$GLOBALS['phpgw_info']['server']['use_adodb'])
|
|
{
|
|
return $this->Type == 'mysql' ? 'concat('.implode(',',$args).')' : implode('||',$args);
|
|
}
|
|
if (!$this->Link_ID && !$this->connect())
|
|
{
|
|
return False;
|
|
}
|
|
return call_user_func_array(array(&$this->Link_ID,'concat'),$args);
|
|
}
|
|
|
|
/**
|
|
* Correctly Quote Identifiers like table- or colmnnames for use in SQL-statements
|
|
*
|
|
* This is mostly copy & paste from adodb's datadict class
|
|
* @param $name string
|
|
* @return string quoted string
|
|
*/
|
|
function name_quote($name = NULL)
|
|
{
|
|
if (!is_string($name)) {
|
|
return FALSE;
|
|
}
|
|
|
|
$name = trim($name);
|
|
|
|
if (!$this->Link_ID && !$this->connect())
|
|
{
|
|
return False;
|
|
}
|
|
|
|
$quote = $this->Link_ID->nameQuote;
|
|
|
|
// if name is of the form `name`, quote it
|
|
if ( preg_match('/^`(.+)`$/', $name, $matches) ) {
|
|
return $quote . $matches[1] . $quote;
|
|
}
|
|
|
|
// if name contains special characters, quote it
|
|
if ( preg_match('/\W/', $name) ) {
|
|
return $quote . $name . $quote;
|
|
}
|
|
|
|
return $name;
|
|
}
|
|
|
|
/**
|
|
* Escape values before sending them to the database - prevents SQL injunction and SQL errors ;-)
|
|
*
|
|
* Please note that the quote function already returns necessary quotes: quote('Hello') === "'Hello'".
|
|
* Int and Auto types are casted to int: quote('1','int') === 1, quote('','int') === 0, quote('Hello','int') === 0
|
|
*
|
|
* @param $value mixed the value to be escaped
|
|
* @param $type string the type of the db-column, default False === varchar
|
|
* @return string escaped sting
|
|
*/
|
|
function quote($value,$type=False)
|
|
{
|
|
if ($this->Debug) echo "<p>db::quote('$value','$type')</p>\n";
|
|
|
|
switch($type)
|
|
{
|
|
case 'int':
|
|
case 'auto':
|
|
return (int) $value;
|
|
}
|
|
// REMOVE-IF-ONLY-ADODB
|
|
if (isset($GLOBALS['phpgw_info']['server']['use_adodb']) &&
|
|
!@$GLOBALS['phpgw_info']['server']['use_adodb'])
|
|
{
|
|
return "'" . (!isset($value) || $value == '' ? '' : addslashes($value)) . "'";
|
|
}
|
|
if (!$this->Link_ID && !$this->connect())
|
|
{
|
|
return False;
|
|
}
|
|
switch($type)
|
|
{
|
|
case 'blob':
|
|
if ($this->Type == 'mysql')
|
|
{
|
|
break; // ADOdb has no BlobEncode for mysql and returns an unquoted string !!!
|
|
}
|
|
return "'" . $this->Link_ID->BlobEncode($value) . "'";
|
|
}
|
|
return $this->Link_ID->quote($value);
|
|
}
|
|
|
|
/**
|
|
* Implodes an array of column-value pairs for the use in sql-querys.
|
|
* All data is run through quote (does either addslashes() or (int)) - prevents SQL injunction and SQL errors ;-).
|
|
*
|
|
* @author RalfBecker<at>outdoor-training.de
|
|
*
|
|
* @param $glue string in most cases this will be either ',' or ' AND ', depending you your query
|
|
* @param $array array column-name / value pairs, if the value is an array all its array-values will be quoted
|
|
* according to the type of the column, and the whole array with be formatted like (val1,val2,...)
|
|
* If $use_key == True, an ' IN ' instead a '=' is used. Good for category- or user-lists.
|
|
* If the key is numerical (no key given in the array-definition) the value is used as is, eg.
|
|
* array('visits=visits+1') gives just "visits=visits+1" (no quoting at all !!!)
|
|
* @param $use_key boolean/string If $use_key===True a "$key=" prefix each value (default), typically set to False
|
|
* or 'VALUES' for insert querys, on 'VALUES' "(key1,key2,...) VALUES (val1,val2,...)" is returned
|
|
* @param $only array/boolean if set to an array only colums which are set (as data !!!) are written
|
|
* typicaly used to form a WHERE-clause from the primary keys.
|
|
* If set to True, only columns from the colum_definitons are written.
|
|
* @param $column_definitions array/boolean this can be set to the column-definitions-array
|
|
* of your table ($tables_baseline[$table]['fd'] of the setup/tables_current.inc.php file).
|
|
* If its set, the column-type-data determinates if (int) or addslashes is used.
|
|
*/
|
|
function column_data_implode($glue,$array,$use_key=True,$only=False,$column_definitions=False)
|
|
{
|
|
if (!$column_definitions)
|
|
{
|
|
$column_definitions = $this->column_definitions;
|
|
}
|
|
if ($this->Debug) echo "<p>db::column_data_implode('$glue',".print_r($array,True).",'$use_key',".print_r($only,True).",<pre>".print_r($column_definitions,True)."</pre>\n";
|
|
|
|
$keys = $values = array();
|
|
foreach($array as $key => $data)
|
|
{
|
|
if (!$only || $only === True && isset($column_definitions[$key]) || is_array($only) && in_array($key,$only))
|
|
{
|
|
$keys[] = $key;
|
|
|
|
$column_type = is_array($column_definitions) ? @$column_definitions[$key]['type'] : False;
|
|
|
|
if (is_array($data))
|
|
{
|
|
foreach($data as $k => $v)
|
|
{
|
|
$data[$k] = $this->quote($v,$column_type);
|
|
}
|
|
$values[] = ($use_key===True ? $key.' IN ' : '') . '('.implode(',',$data).')';
|
|
}
|
|
elseif (is_int($key) && $use_key===True)
|
|
{
|
|
$values[] = $data;
|
|
}
|
|
else
|
|
{
|
|
$values[] = ($use_key===True ? $key.'=' : '') . $this->quote($data,$column_type);
|
|
}
|
|
}
|
|
}
|
|
return ($use_key==='VALUES' ? '('.implode(',',$keys).') VALUES (' : '').
|
|
implode($glue,$values) . ($use_key==='VALUES' ? ')' : '');
|
|
}
|
|
|
|
/**
|
|
* Sets the default column-definitions for use with column_data_implode()
|
|
*
|
|
* @author RalfBecker<at>outdoor-training.de
|
|
*
|
|
* @param $column_definitions array/boolean this can be set to the column-definitions-array
|
|
* of your table ($tables_baseline[$table]['fd'] of the setup/tables_current.inc.php file).
|
|
* If its set, the column-type-data determinates if (int) or addslashes is used.
|
|
*/
|
|
function set_column_definitions($column_definitions=False)
|
|
{
|
|
$this->column_definitions=$column_definitions;
|
|
}
|
|
|
|
function set_app($app)
|
|
{
|
|
$this->app = $app;
|
|
}
|
|
|
|
/**
|
|
* reads the table-definitions from the app's setup/tables_current.inc.php file
|
|
*
|
|
* The already read table-definitions are shared between all db-instances via $GLOBALS['phpgw_info']['apps'][$app]['table_defs']
|
|
*
|
|
* @author RalfBecker<at>outdoor-training.de
|
|
*
|
|
* @param $app bool/string name of the app or default False to use the app set by db::set_app or the current app
|
|
* @param $table bool/string if set return only defintions of that table, else return all defintions
|
|
* @return mixed array with table-defintions or False if file not found
|
|
*/
|
|
function get_table_definitions($app=False,$table=False)
|
|
{
|
|
if (!$app)
|
|
{
|
|
$app = $this->app ? $this->app : $GLOBALS['phpgw_info']['flags']['currentapp'];
|
|
}
|
|
if (isset($GLOBALS['phpgw_info']['apps'])) // this happens during the eGW startup, dont set it then !!!
|
|
{
|
|
$app_data = &$GLOBALS['phpgw_info']['apps'][$app];
|
|
}
|
|
if (!isset($app_data['table_defs']))
|
|
{
|
|
$tables_current = PHPGW_INCLUDE_ROOT . "/$app/setup/tables_current.inc.php";
|
|
|
|
if (!@file_exists($tables_current))
|
|
{
|
|
return $app_data['table_defs'] = False;
|
|
}
|
|
include($tables_current);
|
|
$app_data['table_defs'] = $phpgw_baseline;
|
|
}
|
|
if ($table && (!$app_data['table_defs'] || !isset($app_data['table_defs'][$table])))
|
|
{
|
|
return False;
|
|
}
|
|
return $table ? $app_data['table_defs'][$table] : $app_data['table_defs'];
|
|
}
|
|
|
|
/**
|
|
* Insert a row of data into a table, all data is quoted according to it's type
|
|
*
|
|
* @author RalfBecker<at>outdoor-training.de
|
|
*
|
|
* @param $table string name of the table
|
|
* @param $data array with column-name / value pairs
|
|
* @param $where mixed array with column-name / values pairs to check if a row with that keys already exists,
|
|
* if the row exists db::update is called else a new row with $date merged with $where gets inserted (data has precedence)
|
|
* @param $line int line-number to pass to query
|
|
* @param $file string file-name to pass to query
|
|
* @param $app mixed string with name of app or False to use the current-app
|
|
* @return the return-value of the call to db::query
|
|
*/
|
|
function insert($table,$data,$where,$line,$file,$app=False)
|
|
{
|
|
if ($this->Debug) echo "<p>db::insert('$table',".print_r($data,True).",".print_r($where,True).",$line,$file,'$app')</p>\n";
|
|
|
|
$table_def = $this->get_table_definitions($app,$table);
|
|
|
|
if (is_array($where) && count($where))
|
|
{
|
|
$this->select($table,'count(*)',$where,$line,$file);
|
|
if ($this->next_record() && $this->f(0))
|
|
{
|
|
return $this->update($table,$data,$where,$line,$file,$app);
|
|
}
|
|
$data = array_merge($where,$data); // the checked values need to be inserted too, value in data has precedence
|
|
}
|
|
$sql = "INSERT INTO $table ".$this->column_data_implode(',',$data,'VALUES',False,$table_def['fd']);
|
|
|
|
return $this->query($sql,$line,$file);
|
|
}
|
|
|
|
/**
|
|
* Updates the data of one or more rows in a table, all data is quoted according to it's type
|
|
*
|
|
* @author RalfBecker<at>outdoor-training.de
|
|
*
|
|
* @param $table string name of the table
|
|
* @param $data array with column-name / value pairs
|
|
* @param $where array column-name / values pairs and'ed together for the where clause
|
|
* @param $line int line-number to pass to query
|
|
* @param $file string file-name to pass to query
|
|
* @param $app mixed string with name of app or False to use the current-app
|
|
* @return the return-value of the call to db::query
|
|
*/
|
|
function update($table,$data,$where,$line,$file,$app=False)
|
|
{
|
|
$table_def = $this->get_table_definitions($app,$table);
|
|
$sql = "UPDATE $table SET ".
|
|
$this->column_data_implode(',',$data,True,False,$table_def['fd']).' WHERE '.
|
|
$this->column_data_implode(' AND ',$where,True,False,$table_def['fd']);
|
|
|
|
return $this->query($sql,$line,$file);
|
|
}
|
|
|
|
/**
|
|
* Deletes one or more rows in table, all data is quoted according to it's type
|
|
*
|
|
* @author RalfBecker<at>outdoor-training.de
|
|
*
|
|
* @param $table string name of the table
|
|
* @param $where array column-name / values pairs and'ed together for the where clause
|
|
* @param $line int line-number to pass to query
|
|
* @param $file string file-name to pass to query
|
|
* @param $app mixed string with name of app or False to use the current-app
|
|
* @return the return-value of the call to db::query
|
|
*/
|
|
function delete($table,$where,$line,$file,$app=False)
|
|
{
|
|
$table_def = $this->get_table_definitions($app,$table);
|
|
$sql = "DELETE FROM $table WHERE ".
|
|
$this->column_data_implode(' AND ',$where,True,False,$table_def['fd']);
|
|
|
|
return $this->query($sql,$line,$file);
|
|
}
|
|
|
|
/**
|
|
* Formats and quotes a sql expression to be used eg. as where-clause
|
|
*
|
|
* The function has a variable number of arguments, from which the expession gets constructed
|
|
* eg. db::expression('my_table','(',array('name'=>"test'ed",'lang'=>'en'),') OR ',array('owner'=>array('',4,10)))
|
|
* gives "(name='test\'ed' AND lang='en') OR 'owner' IN (0,4,5,6,10)" if name,lang are strings and owner is an integer
|
|
* @param $table string name of the table
|
|
* @param $args mixed variable number of arguments of the following types:
|
|
* string: get's as is into the result
|
|
* array: column-name / value pairs: the value gets quoted according to the type of the column and prefixed
|
|
* with column-name=, multiple pairs are AND'ed together, see db::column_data_implode
|
|
* bool: If False or is_null($arg): the next 2 (!) arguments gets ignored
|
|
* @return string the expression generated from the arguments
|
|
*/
|
|
function expression($table,$args)
|
|
{
|
|
$table_def = $this->get_table_definitions($app,$table);
|
|
$sql = '';
|
|
$ignore_next = 0;
|
|
foreach(func_get_args() as $n => $arg)
|
|
{
|
|
if ($n < 1) continue; // table-name
|
|
|
|
if ($ignore_next)
|
|
{
|
|
--$ignore_next;
|
|
continue;
|
|
}
|
|
if (is_null($arg)) $arg = False;
|
|
|
|
switch(gettype($arg))
|
|
{
|
|
case 'string':
|
|
$sql .= $arg;
|
|
break;
|
|
case 'boolean':
|
|
$ignore_next += !$arg ? 2 : 0;
|
|
break;
|
|
case 'array':
|
|
$sql .= $this->column_data_implode(' AND ',$arg,True,False,$table_def);
|
|
break;
|
|
}
|
|
}
|
|
if ($this->Debug) echo "<p>db::expression($table,<pre>".print_r(func_get_args(),True)."</pre>) ='$sql'</p>\n";
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* Selects one or more rows in table depending on where, all data is quoted according to it's type
|
|
*
|
|
* @author RalfBecker<at>outdoor-training.de
|
|
*
|
|
* @param $table string name of the table
|
|
* @param $cols mixed string or array of column-names / select-expressions
|
|
* @param $where array/string string or array with column-name / values pairs AND'ed together for the where clause
|
|
* @param $line int line-number to pass to query
|
|
* @param $file string file-name to pass to query
|
|
* @param $offset int/bool offset for a limited query or False (default)
|
|
* @param $app mixed string with name of app or False to use the current-app
|
|
* @return the return-value of the call to db::query
|
|
*/
|
|
function select($table,$cols,$where,$line,$file,$offset=False,$app=False)
|
|
{
|
|
if ($this->Debug) echo "<p>db::select('$table',".print_r($cols,True).",".print_r($where,True).",$line,$file,$offset,'$app')</p>\n";
|
|
|
|
$table_def = $this->get_table_definitions($app,$table);
|
|
if (is_array($cols))
|
|
{
|
|
$cols = implode(',',$cols);
|
|
}
|
|
if (is_array($where))
|
|
{
|
|
$where = $this->column_data_implode(' AND ',$where,True,False,$table_def['fd']);
|
|
}
|
|
$sql = "SELECT $cols FROM $table WHERE ".($where ? $where : '1=1');
|
|
|
|
if ($this->Debug) echo "<p>sql='$sql'</p>";
|
|
|
|
return $this->query($sql,$line,$file,$offset,$offset===False ? -1 : 0);
|
|
}
|
|
}
|
|
|
|
// REMOVE-IF-ONLY-ADODB
|
|
if (isset($GLOBALS['phpgw_info']['server']['use_adodb']) && !$GLOBALS['phpgw_info']['server']['use_adodb'])
|
|
{
|
|
include(PHPGW_API_INC.'/class.db_'.$GLOBALS['phpgw_info']['server']['db_type'].'.inc.php');
|
|
}
|
|
else
|
|
{
|
|
class db extends db_{}
|
|
}
|
|
?>
|