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dolibarr-fork/htdocs/core/db/mysql.class.php
Laurent Destailleur 80046a5310 Qual: Mutualize code
2014-02-06 20:40:01 +01:00

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<?php
/* Copyright (C) 2001 Fabien Seisen <seisen@linuxfr.org>
* Copyright (C) 2002-2007 Rodolphe Quiedeville <rodolphe@quiedeville.org>
* Copyright (C) 2004-2011 Laurent Destailleur <eldy@users.sourceforge.net>
* Copyright (C) 2006 Andre Cianfarani <acianfa@free.fr>
* Copyright (C) 2005-2012 Regis Houssin <regis.houssin@capnetworks.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file htdocs/core/db/mysql.class.php
* \brief Class file to manage Dolibarr database access for a Mysql database
*/
require_once DOL_DOCUMENT_ROOT .'/core/db/DoliDB.class.php';
/**
* Class to manage Dolibarr database access for a Mysql database
*/
class DoliDBMysql extends DoliDB
{
//! Database handler
var $db;
//! Database type
public $type='mysql';
//! Database label
static $label='MySQL';
//! Charset used to force charset when creating database
var $forcecharset='utf8'; // latin1, utf8. Can't be static as it may be forced with a dynamic value
//! Collate used to force collate when creating database
var $forcecollate='utf8_general_ci'; // latin1_swedish_ci, utf8_general_ci. Can't be static as it may be forced with a dynamic value
//! Version min database
static $versionmin=array(4,1,0);
//! Resultset of last request
private $_results;
//! 1 if connected, 0 else
var $connected;
//! 1 if database selected, 0 else
var $database_selected;
//! Database name selected
var $database_name;
//! Nom user base
var $database_user;
//! >=1 if a transaction is opened, 0 otherwise
var $transaction_opened;
//! Last executed request
var $lastquery;
//! Last failed executed request
var $lastqueryerror;
//! Message erreur mysql
var $lasterror;
//! Message erreur mysql
var $lasterrno;
var $ok;
var $error;
/**
* Constructor.
* This create an opened connexion to a database server and eventually to a database
*
* @param string $type Type of database (mysql, pgsql...)
* @param string $host Address of database server
* @param string $user Nom de l'utilisateur autorise
* @param string $pass Mot de passe
* @param string $name Nom de la database
* @param int $port Port of database server
* @return int 1 if OK, 0 if not
*/
function __construct($type, $host, $user, $pass, $name='', $port=0)
{
global $conf,$langs;
if (! empty($conf->db->character_set)) $this->forcecharset=$conf->db->character_set;
if (! empty($conf->db->dolibarr_main_db_collation)) $this->forcecollate=$conf->db->dolibarr_main_db_collation;
$this->database_user=$user;
$this->transaction_opened=0;
//print "Name DB: $host,$user,$pass,$name<br>";
if (! function_exists("mysql_connect"))
{
$this->connected = 0;
$this->ok = 0;
$this->error="Mysql PHP functions for using MySql driver are not available in this version of PHP. Try to use another driver.";
dol_syslog(get_class($this)."::DoliDBMysql : Mysql PHP functions for using Mysql driver are not available in this version of PHP. Try to use another driver.",LOG_ERR);
return $this->ok;
}
if (! $host)
{
$this->connected = 0;
$this->ok = 0;
$this->error=$langs->trans("ErrorWrongHostParameter");
dol_syslog(get_class($this)."::DoliDBMysql : Erreur Connect, wrong host parameters",LOG_ERR);
return $this->ok;
}
// Essai connexion serveur
$this->db = $this->connect($host, $user, $pass, $name, $port);
if ($this->db)
{
$this->connected = 1;
$this->ok = 1;
}
else
{
// host, login ou password incorrect
$this->connected = 0;
$this->ok = 0;
$this->error=mysql_error();
dol_syslog(get_class($this)."::DoliDBMysql : Erreur Connect mysql_error=".$this->error,LOG_ERR);
}
// Si connexion serveur ok et si connexion base demandee, on essaie connexion base
if ($this->connected && $name)
{
if ($this->select_db($name))
{
$this->database_selected = 1;
$this->database_name = $name;
$this->ok = 1;
// If client connected with different charset than Dolibarr HTML output
$clientmustbe='';
if (preg_match('/UTF-8/i',$conf->file->character_set_client)) $clientmustbe='utf8';
if (preg_match('/ISO-8859-1/i',$conf->file->character_set_client)) $clientmustbe='latin1';
if (mysql_client_encoding($this->db) != $clientmustbe)
{
$this->query("SET NAMES '".$clientmustbe."'", $this->db);
//$this->query("SET CHARACTER SET ". $this->forcecharset);
}
}
else
{
$this->database_selected = 0;
$this->database_name = '';
$this->ok = 0;
$this->error=$this->error();
dol_syslog(get_class($this)."::DoliDBMysql : Erreur Select_db ".$this->error,LOG_ERR);
}
}
else
{
// Pas de selection de base demandee, ok ou ko
$this->database_selected = 0;
if ($this->connected)
{
// If client connected with different charset than Dolibarr HTML output
$clientmustbe='';
if (preg_match('/UTF-8/i',$conf->file->character_set_client)) $clientmustbe='utf8';
if (preg_match('/ISO-8859-1/i',$conf->file->character_set_client)) $clientmustbe='latin1';
if (mysql_client_encoding($this->db) != $clientmustbe)
{
$this->query("SET NAMES '".$clientmustbe."'", $this->db);
//$this->query("SET CHARACTER SET ". $this->forcecharset);
}
}
}
return $this->ok;
}
/**
* Convert a SQL request in Mysql syntax to native syntax
*
* @param string $line SQL request line to convert
* @param string $type Type of SQL order ('ddl' for insert, update, select, delete or 'dml' for create, alter...)
* @return string SQL request line converted
*/
static function convertSQLFromMysql($line,$type='ddl')
{
return $line;
}
/**
* Select a database
*
* @param string $database Name of database
* @return boolean true if OK, false if KO
*/
function select_db($database)
{
dol_syslog(get_class($this)."::select_db database=".$database, LOG_DEBUG);
return mysql_select_db($database, $this->db);
}
/**
* Connexion to server
*
* @param string $host database server host
* @param string $login login
* @param string $passwd password
* @param string $name name of database (not used for mysql, used for pgsql)
* @param string $port Port of database server
* @return resource Database access handler
* @see close
*/
function connect($host, $login, $passwd, $name, $port=0)
{
dol_syslog(get_class($this)."::connect host=$host, port=$port, login=$login, passwd=--hidden--, name=$name",LOG_DEBUG);
$newhost=$host;
// With mysql, port must be in hostname
if ($port) $newhost.=':'.$port;
$this->db = @mysql_connect($newhost, $login, $passwd);
//print "Resultat fonction connect: ".$this->db;
return $this->db;
}
/**
* Return label of manager
*
* @return string Label
*/
function getLabel()
{
return $this->label;
}
/**
* Return version of database server
*
* @return string Version string
*/
function getVersion()
{
return mysql_get_server_info($this->db);
}
/**
* Return version of database server into an array
*
* @return array Version array
*/
function getVersionArray()
{
return explode('.',$this->getVersion());
}
/**
* Return version of database client driver
*
* @return string Version string
*/
function getDriverInfo()
{
return mysqli_get_client_info();
}
/**
* Close database connexion
*
* @return boolean True if disconnect successfull, false otherwise
* @see connect
*/
function close()
{
if ($this->db)
{
if ($this->transaction_opened > 0) dol_syslog(get_class($this)."::close Closing a connection with an opened transaction depth=".$this->transaction_opened,LOG_ERR);
$this->connected=0;
return mysql_close($this->db);
}
return false;
}
/**
* Start transaction
*
* @return int 1 if transaction successfuly opened or already opened, 0 if error
*/
function begin()
{
if (! $this->transaction_opened)
{
$ret=$this->query("BEGIN");
if ($ret)
{
$this->transaction_opened++;
dol_syslog("BEGIN Transaction",LOG_DEBUG);
dol_syslog('',0,1);
}
return $ret;
}
else
{
$this->transaction_opened++;
dol_syslog('',0,1);
return 1;
}
}
/**
* Validate a database transaction
*
* @param string $log Add more log to default log line
* @return int 1 if validation is OK or transaction level no started, 0 if ERROR
*/
function commit($log='')
{
dol_syslog('',0,-1);
if ($this->transaction_opened<=1)
{
$ret=$this->query("COMMIT");
if ($ret)
{
$this->transaction_opened=0;
dol_syslog("COMMIT Transaction".($log?' '.$log:''),LOG_DEBUG);
}
return $ret;
}
else
{
$this->transaction_opened--;
return 1;
}
}
/**
* Annulation d'une transaction et retour aux anciennes valeurs
*
* @param string $log Add more log to default log line
* @return int 1 si annulation ok ou transaction non ouverte, 0 en cas d'erreur
*/
function rollback($log='')
{
dol_syslog('',0,-1);
if ($this->transaction_opened<=1)
{
$ret=$this->query("ROLLBACK");
$this->transaction_opened=0;
dol_syslog("ROLLBACK Transaction".($log?' '.$log:''),LOG_DEBUG);
return $ret;
}
else
{
$this->transaction_opened--;
return 1;
}
}
/**
* Execute a SQL request and return the resultset
*
* @param string $query SQL query string
* @param int $usesavepoint 0=Default mode, 1=Run a savepoint before and a rollbock to savepoint if error (this allow to have some request with errors inside global transactions).
* Note that with Mysql, this parameter is not used as Myssql can already commit a transaction even if one request is in error, without using savepoints.
* @param string $type Type of SQL order ('ddl' for insert, update, select, delete or 'dml' for create, alter...)
* @return resource Resultset of answer
*/
function query($query,$usesavepoint=0,$type='auto')
{
$query = trim($query);
if (! $this->database_name)
{
// Ordre SQL ne necessitant pas de connexion a une base (exemple: CREATE DATABASE)
$ret = mysql_query($query, $this->db);
}
else
{
mysql_select_db($this->database_name);
$ret = mysql_query($query, $this->db);
}
if (! preg_match("/^COMMIT/i",$query) && ! preg_match("/^ROLLBACK/i",$query))
{
// Si requete utilisateur, on la sauvegarde ainsi que son resultset
if (! $ret)
{
$this->lastqueryerror = $query;
$this->lasterror = $this->error();
$this->lasterrno = $this->errno();
dol_syslog(get_class($this)."::query SQL error: ".$query." ".$this->lasterrno, LOG_WARNING);
}
$this->lastquery=$query;
$this->_results = $ret;
}
return $ret;
}
/**
* Renvoie la ligne courante (comme un objet) pour le curseur resultset
*
* @param Resultset $resultset Curseur de la requete voulue
* @return Object Object result line or false if KO or end of cursor
*/
function fetch_object($resultset)
{
// If resultset not provided, we take the last used by connexion
if (! is_resource($resultset)) { $resultset=$this->_results; }
return mysql_fetch_object($resultset);
}
/**
* Return datas as an array
*
* @param Resultset $resultset Resultset of request
* @return array Array
*/
function fetch_array($resultset)
{
// If resultset not provided, we take the last used by connexion
if (! is_resource($resultset)) { $resultset=$this->_results; }
return mysql_fetch_array($resultset);
}
/**
* Return datas as an array
*
* @param Resultset $resultset Resultset of request
* @return array Array
*/
function fetch_row($resultset)
{
// If resultset not provided, we take the last used by connexion
if (! is_resource($resultset)) { $resultset=$this->_results; }
return @mysql_fetch_row($resultset);
}
/**
* Return number of lines for result of a SELECT
*
* @param Resultset $resultset Resulset of requests
* @return int Nb of lines
* @see affected_rows
*/
function num_rows($resultset)
{
// If resultset not provided, we take the last used by connexion
if (! is_resource($resultset)) { $resultset=$this->_results; }
return mysql_num_rows($resultset);
}
/**
* Renvoie le nombre de lignes dans le resultat d'une requete INSERT, DELETE ou UPDATE
*
* @param resultset $resultset Curseur de la requete voulue
* @return int Nombre de lignes
* @see num_rows
*/
function affected_rows($resultset)
{
// If resultset not provided, we take the last used by connexion
if (! is_resource($resultset)) { $resultset=$this->_results; }
// mysql necessite un link de base pour cette fonction contrairement
// a pqsql qui prend un resultset
return mysql_affected_rows($this->db);
}
/**
* Free last resultset used.
*
* @param resultset $resultset Curseur de la requete voulue
* @return void
*/
function free($resultset=0)
{
// If resultset not provided, we take the last used by connexion
if (! is_resource($resultset)) { $resultset=$this->_results; }
// Si resultset en est un, on libere la memoire
if (is_resource($resultset)) mysql_free_result($resultset);
}
/**
* Define limits and offset of request
*
* @param int $limit Maximum number of lines returned (-1=conf->liste_limit, 0=no limit)
* @param int $offset Numero of line from where starting fetch
* @return string String with SQL syntax to add a limit and offset
*/
function plimit($limit=0,$offset=0)
{
global $conf;
if (empty($limit)) return "";
if ($limit < 0) $limit=$conf->liste_limit;
if ($offset > 0) return " LIMIT $offset,$limit ";
else return " LIMIT $limit ";
}
/**
* Escape a string to insert data
*
* @param string $stringtoencode String to escape
* @return string String escaped
*/
function escape($stringtoencode)
{
return addslashes($stringtoencode);
}
/**
* Convert (by PHP) a GM Timestamp date into a string date with PHP server TZ to insert into a date field.
* Function to use to build INSERT, UPDATE or WHERE predica
*
* @param string $param Date TMS to convert
* @return string Date in a string YYYYMMDDHHMMSS
*/
function idate($param)
{
return dol_print_date($param,"%Y%m%d%H%M%S");
}
/**
* Convert (by PHP) a PHP server TZ string date into a GM Timestamps date
* 19700101020000 -> 3600 with TZ+1
*
* @param string $string Date in a string (YYYYMMDDHHMMSS, YYYYMMDD, YYYY-MM-DD HH:MM:SS)
* @return date Date TMS
*/
function jdate($string)
{
$string=preg_replace('/([^0-9])/i','',$string);
$tmp=$string.'000000';
$date=dol_mktime(substr($tmp,8,2),substr($tmp,10,2),substr($tmp,12,2),substr($tmp,4,2),substr($tmp,6,2),substr($tmp,0,4));
return $date;
}
/**
* Format a SQL IF
*
* @param string $test Test string (example: 'cd.statut=0', 'field IS NULL')
* @param string $resok resultat si test egal
* @param string $resko resultat si test non egal
* @return string SQL string
*/
function ifsql($test,$resok,$resko)
{
return 'IF('.$test.','.$resok.','.$resko.')';
}
/**
* Return last request executed with query()
*
* @return string Last query
*/
function lastquery()
{
return $this->lastquery;
}
/**
* Return last query in error
*
* @return string lastqueryerror
*/
function lastqueryerror()
{
return $this->lastqueryerror;
}
/**
* Return last error label
*
* @return string lasterror
*/
function lasterror()
{
return $this->lasterror;
}
/**
* Return last error code
*
* @return string lasterrno
*/
function lasterrno()
{
return $this->lasterrno;
}
/**
* Return generic error code of last operation.
*
* @return string Error code (Exemples: DB_ERROR_TABLE_ALREADY_EXISTS, DB_ERROR_RECORD_ALREADY_EXISTS...)
*/
function errno()
{
if (! $this->connected)
{
// Si il y a eu echec de connexion, $this->db n'est pas valide.
return 'DB_ERROR_FAILED_TO_CONNECT';
}
else
{
// Constants to convert a MySql error code to a generic Dolibarr error code
$errorcode_map = array(
1004 => 'DB_ERROR_CANNOT_CREATE',
1005 => 'DB_ERROR_CANNOT_CREATE',
1006 => 'DB_ERROR_CANNOT_CREATE',
1007 => 'DB_ERROR_ALREADY_EXISTS',
1008 => 'DB_ERROR_CANNOT_DROP',
1025 => 'DB_ERROR_NO_FOREIGN_KEY_TO_DROP',
1044 => 'DB_ERROR_ACCESSDENIED',
1046 => 'DB_ERROR_NODBSELECTED',
1048 => 'DB_ERROR_CONSTRAINT',
1050 => 'DB_ERROR_TABLE_ALREADY_EXISTS',
1051 => 'DB_ERROR_NOSUCHTABLE',
1054 => 'DB_ERROR_NOSUCHFIELD',
1060 => 'DB_ERROR_COLUMN_ALREADY_EXISTS',
1061 => 'DB_ERROR_KEY_NAME_ALREADY_EXISTS',
1062 => 'DB_ERROR_RECORD_ALREADY_EXISTS',
1064 => 'DB_ERROR_SYNTAX',
1068 => 'DB_ERROR_PRIMARY_KEY_ALREADY_EXISTS',
1075 => 'DB_ERROR_CANT_DROP_PRIMARY_KEY',
1091 => 'DB_ERROR_NOSUCHFIELD',
1100 => 'DB_ERROR_NOT_LOCKED',
1136 => 'DB_ERROR_VALUE_COUNT_ON_ROW',
1146 => 'DB_ERROR_NOSUCHTABLE',
1216 => 'DB_ERROR_NO_PARENT',
1217 => 'DB_ERROR_CHILD_EXISTS',
1396 => 'DB_ERROR_USER_ALREADY_EXISTS', // When creating user already existing
1451 => 'DB_ERROR_CHILD_EXISTS'
);
if (isset($errorcode_map[mysql_errno($this->db)]))
{
return $errorcode_map[mysql_errno($this->db)];
}
$errno=mysql_errno($this->db);
return ($errno?'DB_ERROR_'.$errno:'0');
}
}
/**
* Return description of last error
*
* @return string Error text
*/
function error()
{
if (! $this->connected) {
// Si il y a eu echec de connexion, $this->db n'est pas valide pour mysql_error.
return 'Not connected. Check setup parameters in conf/conf.php file and your mysql client and server versions';
}
else {
return mysql_error($this->db);
}
}
/**
* Get last ID after an insert INSERT
*
* @param string $tab Table name concerned by insert. Ne sert pas sous MySql mais requis pour compatibilite avec Postgresql
* @param string $fieldid Field name
* @return int Id of row
*/
function last_insert_id($tab,$fieldid='rowid')
{
return mysql_insert_id($this->db);
}
// Next functions are not required. Only minor features use them.
//---------------------------------------------------------------
/**
* Encrypt sensitive data in database
* Warning: This function includes the escape, so it must use direct value
*
* @param string $fieldorvalue Field name or value to encrypt
* @param int $withQuotes Return string with quotes
* @return string XXX(field) or XXX('value') or field or 'value'
*/
function encrypt($fieldorvalue, $withQuotes=0)
{
global $conf;
// Type of encryption (2: AES (recommended), 1: DES , 0: no encryption)
$cryptType = (! empty($conf->db->dolibarr_main_db_encryption)?$conf->db->dolibarr_main_db_encryption:0);
//Encryption key
$cryptKey = (!empty($conf->db->dolibarr_main_db_cryptkey)?$conf->db->dolibarr_main_db_cryptkey:'');
$return = ($withQuotes?"'":"").$this->escape($fieldorvalue).($withQuotes?"'":"");
if ($cryptType && !empty($cryptKey))
{
if ($cryptType == 2)
{
$return = 'AES_ENCRYPT('.$return.',\''.$cryptKey.'\')';
}
else if ($cryptType == 1)
{
$return = 'DES_ENCRYPT('.$return.',\''.$cryptKey.'\')';
}
}
return $return;
}
/**
* Decrypt sensitive data in database
*
* @param string $value Value to decrypt
* @return string Decrypted value if used
*/
function decrypt($value)
{
global $conf;
// Type of encryption (2: AES (recommended), 1: DES , 0: no encryption)
$cryptType = (!empty($conf->db->dolibarr_main_db_encryption)?$conf->db->dolibarr_main_db_encryption:0);
//Encryption key
$cryptKey = (!empty($conf->db->dolibarr_main_db_cryptkey)?$conf->db->dolibarr_main_db_cryptkey:'');
$return = $value;
if ($cryptType && !empty($cryptKey))
{
if ($cryptType == 2)
{
$return = 'AES_DECRYPT('.$value.',\''.$cryptKey.'\')';
}
else if ($cryptType == 1)
{
$return = 'DES_DECRYPT('.$value.',\''.$cryptKey.'\')';
}
}
return $return;
}
/**
* Return connexion ID
*
* @return string Id connexion
*/
function DDLGetConnectId()
{
$resql=$this->query('SELECT CONNECTION_ID()');
$row=$this->fetch_row($resql);
return $row[0];
}
/**
* Create a new database
* Do not use function xxx_create_db (xxx=mysql, ...) as they are deprecated
* We force to create database with charset this->forcecharset and collate this->forcecollate
*
* @param string $database Database name to create
* @param string $charset Charset used to store data
* @param string $collation Charset used to sort data
* @param string $owner Username of database owner
* @return resource resource defined if OK, null if KO
*/
function DDLCreateDb($database,$charset='',$collation='',$owner='')
{
if (empty($charset)) $charset=$this->forcecharset;
if (empty($collation)) $collation=$this->forcecollate;
// ALTER DATABASE dolibarr_db DEFAULT CHARACTER SET latin DEFAULT COLLATE latin1_swedish_ci
$sql = "CREATE DATABASE `".$this->escape($database)."`";
$sql.= " DEFAULT CHARACTER SET `".$this->escape($charset)."` DEFAULT COLLATE `".$this->escape($collation)."`";
dol_syslog($sql,LOG_DEBUG);
$ret=$this->query($sql);
if (! $ret)
{
// We try again for compatibility with Mysql < 4.1.1
$sql = "CREATE DATABASE `".$this->escape($database)."`";
dol_syslog($sql,LOG_DEBUG);
$ret=$this->query($sql);
}
return $ret;
}
/**
* List tables into a database
*
* @param string $database Name of database
* @param string $table Nmae of table filter ('xxx%')
* @return resource Resource
*/
function DDLListTables($database, $table='')
{
$listtables=array();
$like = '';
if ($table) $like = "LIKE '".$table."'";
$sql="SHOW TABLES FROM ".$database." ".$like.";";
//print $sql;
$result = $this->query($sql);
while($row = $this->fetch_row($result))
{
$listtables[] = $row[0];
}
return $listtables;
}
/**
* List information of columns into a table.
*
* @param string $table Name of table
* @return array Tableau des informations des champs de la table
*/
function DDLInfoTable($table)
{
$infotables=array();
$sql="SHOW FULL COLUMNS FROM ".$table.";";
dol_syslog($sql,LOG_DEBUG);
$result = $this->query($sql);
while($row = $this->fetch_row($result))
{
$infotables[] = $row;
}
return $infotables;
}
/**
* Create a table into database
*
* @param string $table Nom de la table
* @param array $fields Tableau associatif [nom champ][tableau des descriptions]
* @param string $primary_key Nom du champ qui sera la clef primaire
* @param string $type Type de la table
* @param array $unique_keys Tableau associatifs Nom de champs qui seront clef unique => valeur
* @param array $fulltext_keys Tableau des Nom de champs qui seront indexes en fulltext
* @param string $keys Tableau des champs cles noms => valeur
* @return int <0 if KO, >=0 if OK
*/
function DDLCreateTable($table,$fields,$primary_key,$type,$unique_keys="",$fulltext_keys="",$keys="")
{
// cles recherchees dans le tableau des descriptions (fields) : type,value,attribute,null,default,extra
// ex. : $fields['rowid'] = array('type'=>'int','value'=>'11','null'=>'not null','extra'=> 'auto_increment');
$sql = "CREATE TABLE ".$table."(";
$i=0;
foreach($fields as $field_name => $field_desc)
{
$sqlfields[$i] = $field_name." ";
$sqlfields[$i] .= $field_desc['type'];
if( preg_match("/^[^\s]/i",$field_desc['value'])) {
$sqlfields[$i] .= "(".$field_desc['value'].")";
}
if( preg_match("/^[^\s]/i",$field_desc['attribute'])) {
$sqlfields[$i] .= " ".$field_desc['attribute'];
}
if( preg_match("/^[^\s]/i",$field_desc['default']))
{
if ((preg_match("/null/i",$field_desc['default'])) || (preg_match("/CURRENT_TIMESTAMP/i",$field_desc['default']))) {
$sqlfields[$i] .= " default ".$field_desc['default'];
}
else {
$sqlfields[$i] .= " default '".$field_desc['default']."'";
}
}
if( preg_match("/^[^\s]/i",$field_desc['null'])) {
$sqlfields[$i] .= " ".$field_desc['null'];
}
if( preg_match("/^[^\s]/i",$field_desc['extra'])) {
$sqlfields[$i] .= " ".$field_desc['extra'];
}
$i++;
}
if($primary_key != "")
$pk = "primary key(".$primary_key.")";
if($unique_keys != "")
{
$i = 0;
foreach($unique_keys as $key => $value)
{
$sqluq[$i] = "UNIQUE KEY '".$key."' ('".$value."')";
$i++;
}
}
if($keys != "")
{
$i = 0;
foreach($keys as $key => $value)
{
$sqlk[$i] = "KEY ".$key." (".$value.")";
$i++;
}
}
$sql .= implode(',',$sqlfields);
if($primary_key != "")
$sql .= ",".$pk;
if($unique_keys != "")
$sql .= ",".implode(',',$sqluq);
if($keys != "")
$sql .= ",".implode(',',$sqlk);
$sql .=") engine=".$type;
dol_syslog($sql,LOG_DEBUG);
if(! $this -> query($sql))
return -1;
else
return 1;
}
/**
* Return a pointer of line with description of a table or field
*
* @param string $table Name of table
* @param string $field Optionnel : Name of field if we want description of field
* @return resource Resource
*/
function DDLDescTable($table,$field="")
{
$sql="DESC ".$table." ".$field;
dol_syslog(get_class($this)."::DDLDescTable ".$sql,LOG_DEBUG);
$this->_results = $this->query($sql);
return $this->_results;
}
/**
* Create a new field into table
*
* @param string $table Name of table
* @param string $field_name Name of field to add
* @param string $field_desc Tableau associatif de description du champ a inserer[nom du parametre][valeur du parametre]
* @param string $field_position Optionnel ex.: "after champtruc"
* @return int <0 if KO, >0 if OK
*/
function DDLAddField($table,$field_name,$field_desc,$field_position="")
{
// cles recherchees dans le tableau des descriptions (field_desc) : type,value,attribute,null,default,extra
// ex. : $field_desc = array('type'=>'int','value'=>'11','null'=>'not null','extra'=> 'auto_increment');
$sql= "ALTER TABLE ".$table." ADD ".$field_name." ";
$sql.= $field_desc['type'];
if(preg_match("/^[^\s]/i",$field_desc['value']))
if (! in_array($field_desc['type'],array('date','datetime')))
{
$sql.= "(".$field_desc['value'].")";
}
if(preg_match("/^[^\s]/i",$field_desc['attribute']))
$sql.= " ".$field_desc['attribute'];
if(preg_match("/^[^\s]/i",$field_desc['null']))
$sql.= " ".$field_desc['null'];
if(preg_match("/^[^\s]/i",$field_desc['default']))
{
if(preg_match("/null/i",$field_desc['default']))
$sql.= " default ".$field_desc['default'];
else
$sql.= " default '".$field_desc['default']."'";
}
if(preg_match("/^[^\s]/i",$field_desc['extra']))
$sql.= " ".$field_desc['extra'];
$sql.= " ".$field_position;
dol_syslog(get_class($this)."::DDLAddField ".$sql,LOG_DEBUG);
if(! $this->query($sql))
{
return -1;
}
else
{
return 1;
}
}
/**
* Update format of a field into a table
*
* @param string $table Name of table
* @param string $field_name Name of field to modify
* @param string $field_desc Array with description of field format
* @return int <0 if KO, >0 if OK
*/
function DDLUpdateField($table,$field_name,$field_desc)
{
$sql = "ALTER TABLE ".$table;
$sql .= " MODIFY COLUMN ".$field_name." ".$field_desc['type'];
if ($field_desc['type'] == 'tinyint' || $field_desc['type'] == 'int' || $field_desc['type'] == 'varchar') {
$sql.="(".$field_desc['value'].")";
}
if ($field_desc['null'] == 'not null' || $field_desc['null'] == 'NOT NULL') $sql.=" NOT NULL";
dol_syslog(get_class($this)."::DDLUpdateField ".$sql,LOG_DEBUG);
if (! $this->query($sql))
return -1;
else
return 1;
}
/**
* Drop a field from table
*
* @param string $table Name of table
* @param string $field_name Name of field to drop
* @return int <0 if KO, >0 if OK
*/
function DDLDropField($table,$field_name)
{
$sql= "ALTER TABLE ".$table." DROP COLUMN `".$field_name."`";
dol_syslog(get_class($this)."::DDLDropField ".$sql,LOG_DEBUG);
if (! $this->query($sql))
{
$this->error=$this->lasterror();
return -1;
}
else return 1;
}
/**
* Create a user and privileges to connect to database (even if database does not exists yet)
*
* @param string $dolibarr_main_db_host Ip serveur
* @param string $dolibarr_main_db_user Nom user a creer
* @param string $dolibarr_main_db_pass Mot de passe user a creer
* @param string $dolibarr_main_db_name Database name where user must be granted
* @return int <0 if KO, >=0 if OK
*/
function DDLCreateUser($dolibarr_main_db_host,$dolibarr_main_db_user,$dolibarr_main_db_pass,$dolibarr_main_db_name)
{
$sql = "CREATE USER '".$this->escape($dolibarr_main_db_user)."'";
dol_syslog(get_class($this)."::DDLCreateUser", LOG_DEBUG); // No sql to avoid password in log
$resql=$this->query($sql);
if (! $resql)
{
dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_ERR);
return -1;
}
$sql = "GRANT ALL PRIVILEGES ON ".$this->escape($dolibarr_main_db_name).".* TO '".$this->escape($dolibarr_main_db_user)."'@'".$this->escape($dolibarr_main_db_host)."' IDENTIFIED BY '".$this->escape($dolibarr_main_db_pass)."'";
dol_syslog(get_class($this)."::DDLCreateUser", LOG_DEBUG); // No sql to avoid password in log
$resql=$this->query($sql);
if (! $resql)
{
dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_ERR);
return -1;
}
$sql="FLUSH Privileges";
dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql);
$resql=$this->query($sql);
if (! $resql)
{
dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_ERR);
return -1;
}
return 1;
}
/**
* Return charset used to store data in database
*
* @return string Charset
*/
function getDefaultCharacterSetDatabase()
{
$resql=$this->query('SHOW VARIABLES LIKE \'character_set_database\'');
if (!$resql)
{
// version Mysql < 4.1.1
return $this->forcecharset;
}
$liste=$this->fetch_array($resql);
return $liste['Value'];
}
/**
* Return list of available charset that can be used to store data in database
*
* @return array List of Charset
*/
function getListOfCharacterSet()
{
$resql=$this->query('SHOW CHARSET');
$liste = array();
if ($resql)
{
$i = 0;
while ($obj = $this->fetch_object($resql) )
{
$liste[$i]['charset'] = $obj->Charset;
$liste[$i]['description'] = $obj->Description;
$i++;
}
$this->free($resql);
} else {
// version Mysql < 4.1.1
return null;
}
return $liste;
}
/**
* Return collation used in database
*
* @return string Collation value
*/
function getDefaultCollationDatabase()
{
$resql=$this->query('SHOW VARIABLES LIKE \'collation_database\'');
if (!$resql)
{
// version Mysql < 4.1.1
return $this->forcecollate;
}
$liste=$this->fetch_array($resql);
return $liste['Value'];
}
/**
* Return list of available collation that can be used for database
*
* @return array List of Collation
*/
function getListOfCollation()
{
$resql=$this->query('SHOW COLLATION');
$liste = array();
if ($resql)
{
$i = 0;
while ($obj = $this->fetch_object($resql) )
{
$liste[$i]['collation'] = $obj->Collation;
$i++;
}
$this->free($resql);
} else {
// version Mysql < 4.1.1
return null;
}
return $liste;
}
/**
* Return full path of dump program
*
* @return string Full path of dump program
*/
function getPathOfDump()
{
$fullpathofdump='/pathtomysqldump/mysqldump';
$resql=$this->query('SHOW VARIABLES LIKE \'basedir\'');
if ($resql)
{
$liste=$this->fetch_array($resql);
$basedir=$liste['Value'];
$fullpathofdump=$basedir.(preg_match('/\/$/',$basedir)?'':'/').'bin/mysqldump';
}
return $fullpathofdump;
}
/**
* Return full path of restore program
*
* @return string Full path of restore program
*/
function getPathOfRestore()
{
$fullpathofimport='/pathtomysql/mysql';
$resql=$this->query('SHOW VARIABLES LIKE \'basedir\'');
if ($resql)
{
$liste=$this->fetch_array($resql);
$basedir=$liste['Value'];
$fullpathofimport=$basedir.(preg_match('/\/$/',$basedir)?'':'/').'bin/mysql';
}
return $fullpathofimport;
}
/**
* Return value of server parameters
*
* @param string $filter Filter list on a particular value
* @return string Value for parameter
*/
function getServerParametersValues($filter='')
{
$result=array();
$sql='SHOW VARIABLES';
if ($filter) $sql.=" LIKE '".addslashes($filter)."'";
$resql=$this->query($sql);
if ($resql)
{
$obj=$this->fetch_object($resql);
$result[$obj->Variable_name]=$obj->Value;
}
return $result;
}
/**
* Return value of server status
*
* @param string $filter Filter list on a particular value
* @return string Value for parameter
*/
function getServerStatusValues($filter='')
{
$result=array();
$sql='SHOW STATUS';
if ($filter) $sql.=" LIKE '".addslashes($filter)."'";
$resql=$this->query($sql);
if ($resql)
{
$obj=$this->fetch_object($resql);
$result[$obj->Variable_name]=$obj->Value;
}
return $result;
}
}
?>
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