ryxeo-glpi-git / inc / dbmysql.class.php @ b67d8923
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<?php
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/*
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* @version $Id: dbmysql.class.php 7876 2009-01-23 15:50:37Z moyo $
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-------------------------------------------------------------------------
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GLPI - Gestionnaire Libre de Parc Informatique
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Copyright (C) 2003-2009 by the INDEPNET Development Team.
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http://indepnet.net/ http://glpi-project.org
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-------------------------------------------------------------------------
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LICENSE
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This file is part of GLPI.
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GLPI is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GLPI is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLPI; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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--------------------------------------------------------------------------
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*/
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if (!defined('GLPI_ROOT')){ |
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die("Sorry. You can't access directly to this file"); |
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} |
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/**
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* Database class for Mysql
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*/
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class DBmysql { |
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//! Database Host
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var $dbhost = ""; |
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//! Database User
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var $dbuser = ""; |
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//! Database Password
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var $dbpassword = ""; |
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//! Default Database
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var $dbdefault = ""; |
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//! Database Handler
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var $dbh; |
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//! Database Error
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var $error = 0; |
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/// Slave management
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var $slave = false; |
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/** Is it a first connection ?
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* Indicates if the first connection attempt is successful or not
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* if first attempt fail -> display a warning which indicates
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* that glpi is in readonly
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*/
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var $first_connection = true; |
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/// Is connected to the DB ?
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var $connected = false; |
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/**
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* Constructor / Connect to the MySQL Database
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*
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* Use dbhost, dbuser, dbpassword and dbdefault
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* Die if connection or database selection failed
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*
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* @return nothing
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*/
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function DBmysql(){ |
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$this->connected=false; |
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$this->dbh = @mysql_connect($this->dbhost, $this->dbuser, rawurldecode($this->dbpassword)) or $this->error = 1; |
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if ($this->dbh){ |
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@mysql_query("SET NAMES '" . (isset($this->dbenc) ? $this->dbenc : "utf8") . "'",$this->dbh); |
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$select= mysql_select_db($this->dbdefault) or $this->error = 1; |
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if ($select){ // select ok |
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$this->connected=true; |
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}else{ // select wrong |
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$this->connected=false; |
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} |
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} else {
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$this->connected=false; |
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} |
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} |
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/**
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* Execute a MySQL query
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* @param $query Query to execute
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* @return Query result handler
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*/
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function query($query) { |
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global $CFG_GLPI,$DEBUG_SQL,$SQL_TOTAL_REQUEST; |
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//pseudo debug ryxeo
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//print $query;
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if ($CFG_GLPI["debug"]) { |
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if ($CFG_GLPI["debug_sql"]){ |
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$SQL_TOTAL_REQUEST++;
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$DEBUG_SQL["queries"][$SQL_TOTAL_REQUEST]=$query; |
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if ($CFG_GLPI["debug_profile"]){ |
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$TIMER=new Script_Timer; |
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$TIMER->Start_Timer(); |
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} |
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} |
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} |
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//mysql_ping($this->dbh);
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$res=@mysql_query($query,$this->dbh); |
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if (!$res) { |
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$this->DBmysql(); |
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$res=mysql_query($query,$this->dbh); |
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if (!$res) { |
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$error = "*** MySQL query error : \n***\nSQL: ".addslashes($query)."\nError: ". mysql_error()."\n"; |
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if (function_exists("debug_backtrace")) { |
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$error .= "Backtrace :\n"; |
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$traces=debug_backtrace(); |
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foreach ($traces as $trace) { |
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$error .= $trace["file"] . ":" . $trace["line"] . "\t\t" |
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. (isset($trace["class"]) ? $trace["class"] : "") |
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. (isset($trace["type"]) ? $trace["type"] : "") |
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. (isset($trace["function"]) ? $trace["function"]."()" : "") |
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. "\n";
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} |
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} else {
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$error .= "Script: " ; |
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} |
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$error .= $_SERVER["SCRIPT_FILENAME"]. "\n"; |
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logInFile("sql-errors",$error); |
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if ($CFG_GLPI["debug"]&&$CFG_GLPI["debug_sql"]){ |
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$DEBUG_SQL["errors"][$SQL_TOTAL_REQUEST]=$this->error(); |
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} |
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} |
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} |
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if ($CFG_GLPI["debug"]) { |
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if ($CFG_GLPI["debug_profile"]&&$CFG_GLPI["debug_sql"]){ |
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$TIME=$TIMER->Get_Time(); |
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$DEBUG_SQL["times"][$SQL_TOTAL_REQUEST]=$TIME; |
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} |
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} |
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return $res; |
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} |
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/**
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* Give result from a mysql result
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* @param $result MySQL result handler
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* @param $i Row to give
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* @param $field Field to give
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* @return Value of the Row $i and the Field $field of the Mysql $result
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*/
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function result($result, $i, $field) { |
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$value=get_magic_quotes_runtime()?stripslashes_deep(mysql_result($result, $i, $field)):mysql_result($result, $i, $field); |
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return $value; |
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} |
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/**
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* Give number of rows of a Mysql result
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* @param $result MySQL result handler
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* @return number of rows
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*/
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function numrows($result) { |
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return mysql_num_rows($result); |
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} |
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/**
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* Fetch array of the next row of a Mysql query
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* @param $result MySQL result handler
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* @return result array
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*/
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function fetch_array($result) { |
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$value=get_magic_quotes_runtime()?stripslashes_deep(mysql_fetch_array($result)):mysql_fetch_array($result); |
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return $value; |
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} |
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/**
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* Fetch row of the next row of a Mysql query
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* @param $result MySQL result handler
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* @return result row
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*/
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function fetch_row($result) { |
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$value=get_magic_quotes_runtime()?stripslashes_deep(mysql_fetch_row($result)):mysql_fetch_row($result); |
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return $value; |
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} |
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/**
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* Fetch assoc of the next row of a Mysql query
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* @param $result MySQL result handler
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* @return result associative array
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*/
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function fetch_assoc($result) { |
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$value=get_magic_quotes_runtime()?stripslashes_deep(mysql_fetch_assoc($result)):mysql_fetch_assoc($result); |
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return $value; |
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} |
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/**
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* Move current pointer of a Mysql result to the specific row
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* @param $result MySQL result handler
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* @param $num row to move current pointer
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* @return boolean
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*/
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function data_seek($result,$num){ |
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return mysql_data_seek ($result,$num); |
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} |
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/**
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* Give ID of the last insert item by Mysql
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* @return item ID
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*/
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function insert_id() { |
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return mysql_insert_id($this->dbh); |
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} |
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/**
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* Give number of fields of a Mysql result
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* @param $result MySQL result handler
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* @return number of fields
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*/
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function num_fields($result) { |
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return mysql_num_fields($result); |
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} |
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/**
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* Give name of a field of a Mysql result
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* @param $result MySQL result handler
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* @param $nb number of column of the field
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* @return name of the field
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*/
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function field_name($result,$nb){ |
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return mysql_field_name($result,$nb); |
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} |
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/**
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* Get flags of a field of a mysql result
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* @param $result MySQL result handler
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* @param $field field name
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* @return flags of the field
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*/
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function field_flags($result,$field){ |
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return mysql_field_flags($result,$field); |
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} |
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/**
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* List tables in database
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* @param $table table name condition (glpi_% as default to retrieve only glpi tables)
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* @return list of tables
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*/
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function list_tables($table="glpi_%") { |
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return $this->query("SHOW TABLES LIKE '".$table."'"); |
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} |
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/**
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* List fields of a table
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* @param $table table name condition
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* @return list of fields
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*/
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function list_fields($table) { |
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$result = $this->query("SHOW COLUMNS FROM `$table`"); |
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if ($result) { |
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if ($this->numrows($result) > 0) { |
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while ($data = mysql_fetch_assoc($result)){ |
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$ret[$data["Field"]]= $data; |
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} |
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return $ret; |
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} else return array(); |
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} else return false; |
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} |
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/**
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* Get number of affected rows in previous MySQL operation
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* @return number of affected rows on success, and -1 if the last query failed.
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*/
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function affected_rows() { |
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return mysql_affected_rows($this->dbh); |
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} |
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/**
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* Free result memory
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* @param $result MySQL result handler
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* @return Returns TRUE on success or FALSE on failure.
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*/
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function free_result($result) { |
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return mysql_free_result($result); |
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} |
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/**
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* Returns the numerical value of the error message from previous MySQL operation
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* @return error number from the last MySQL function, or 0 (zero) if no error occurred.
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*/
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function errno(){ |
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return mysql_errno($this->dbh); |
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} |
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/**
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* Returns the text of the error message from previous MySQL operation
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* @return error text from the last MySQL function, or '' (empty string) if no error occurred.
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*/
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function error(){ |
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return mysql_error($this->dbh); |
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} |
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/**
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* Close MySQL connection
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* @return TRUE on success or FALSE on failure.
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*/
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function close(){ |
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return @mysql_close($this->dbh); |
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} |
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/**
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* is a slave database ?
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* @return boolean
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*/
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function isSlave(){ |
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return $this->slave; |
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} |
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} |
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?>
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