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ed22c802cd0216a38dc3c0c2e13b29f4b16f3b09
dolibarr-fork/htdocs/core/db/mssql.class.php
Laurent Destailleur ed22c802cd More POO
2012-01-21 14:19:28 +01:00

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<?php
/* Copyright (C) 2002-2007 Rodolphe Quiedeville <rodolphe@quiedeville.org>
* Copyright (C) 2004-2008 Laurent Destailleur <eldy@users.sourceforge.net>
* Copyright (C) 2005-2007 Regis Houssin <regis@dolibarr.fr>
* Copyright (C) 2007 Simon Desee <simon@dedisoft.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 2 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/mssql.class.php
* \brief Fichier de la classe permettant de gerer une base mssql
*/
/**
* \class DoliDBMssql
* \brief Classe de gestion de la database de dolibarr
* \remarks Works with PHP5 Only
*/
class DoliDBMssql
{
//! Database handler
var $db;
//! Database type
public $type='mssql';
//! Database label
static $label='MSSQL';
//! Charset used to force charset when creating database
static $forcecharset='latin1';
//! Collate used to force collate when creating database
static $forcecollate='latin1_swedish_ci';
//! Version min database
static $versionmin=array(2000);
//! Resultset of last request
private $results;
//! 1 si connecte, 0 sinon
var $connected;
//! 1 si base selectionne, 0 sinon
var $database_selected;
//! Nom base selectionnee
var $database_name;
//! Nom user base
var $database_user;
//! 1 si une transaction est en cours, 0 sinon
var $transaction_opened;
//! Derniere requete executee
var $lastquery;
//! Derniere requete executee avec echec
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 $port Port of database server
* @return int 1 if OK, 0 if not
*/
function DoliDBMssql($type, $host, $user, $pass, $name='', $port=0)
{
global $conf,$langs;
$this->database_user=$user;
$this->transaction_opened=0;
if (! function_exists("mssql_connect"))
{
$this->connected = 0;
$this->ok = 0;
$this->error="Mssql PHP functions for using MSSql driver are not available in this version of PHP";
dol_syslog(get_class($this)."::DoliDBMssql : MSsql PHP functions for using MSsql driver are not available in this version of PHP",LOG_ERR);
return $this->ok;
}
if (! $host)
{
$this->connected = 0;
$this->ok = 0;
$this->error=$langs->trans("ErrorWrongHostParameter");
dol_syslog(get_class($this)."::DoliDBMssql : 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)
{
// Si client connecte avec charset different de celui de la base Dolibarr
// (La base Dolibarr a ete forcee en this->forcecharset a l'install)
$this->connected = 1;
$this->ok = 1;
}
else
{
// host, login ou password incorrect
$this->connected = 0;
$this->ok = 0;
$this->error=mssql_get_last_message();
dol_syslog(get_class($this)."::DoliDBMssql : Erreur Connect mssql_get_last_message=".$this->error,LOG_ERR);
}
// Si connexion serveur ok et si connexion base demandee, on essaie connexion base
if ($this->connected && $name)
{
if ($this->select_db($name))
{
$this->database_selected = 1;
$this->database_name = $name;
$this->ok = 1;
}
else
{
$this->database_selected = 0;
$this->database_name = '';
$this->ok = 0;
$this->error=$this->error();
dol_syslog(get_class($this)."::DoliDBMssql : Erreur Select_db ".$this->error,LOG_ERR);
}
}
else
{
// Pas de selection de base demandee, ok ou ko
$this->database_selected = 0;
}
return $this->ok;
}
/**
* Convert a SQL request in Mysql syntax to native syntax
*
* @param string $line SQL request line to convert
* @param string $type Type of SQL order ('ddl' for insert, update, select, delete or 'dml' for create, alter...)
* @return string SQL request line converted
*/
function convertSQLFromMysql($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)
{
return mssql_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");
$newhost=$host;
if ($port) $newhost.=':'.$port;
$this->db = @mssql_connect($newhost, $login, $passwd);
//force les enregistrement en latin1 si la base est en utf8 par defaut
// Supprime car plante sur mon PHP-Mysql. De plus, la base est forcement en latin1 avec
// les nouvelles version de Dolibarr car force par l'install Dolibarr.
//$this->query('SET NAMES '.$this->forcecharset);
//print "Resultat fonction connect: ".$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()
{
$resql=$this->query("SELECT @@VERSION");
$version=$this->fetch_array($resql);
return $version['computed'];
}
/**
* Return version of database server into an array
*
* @return array Version array
*/
function getVersionArray()
{
return explode('.',$this->getVersion());
}
/**
* Close database connexion
*
* @return boolean True if disconnect successfull, false otherwise
* @see connect
*/
function close()
{
if ($this->db)
{
//dol_syslog(get_class($this)."::disconnect",LOG_DEBUG);
$this->connected=0;
return mssql_close($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 TRANSACTION");
if ($ret)
{
$this->transaction_opened++;
dol_syslog("BEGIN Transaction",LOG_DEBUG);
}
return $ret;
}
else
{
$this->transaction_opened++;
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='')
{
if ($this->transaction_opened <= 1)
{
$ret=$this->query("COMMIT TRANSACTION");
if ($ret)
{
$this->transaction_opened=0;
dol_syslog("COMMIT Transaction",LOG_DEBUG);
}
return $ret;
}
else
{
$this->transaction_opened--;
return 1;
}
}
/**
* Annulation d'une transaction et retour aux anciennes valeurs
*
* @return int 1 si annulation ok ou transaction non ouverte, 0 en cas d'erreur
*/
function rollback()
{
if ($this->transaction_opened<=1)
{
$ret=$this->query("ROLLBACK TRANSACTION");
$this->transaction_opened=0;
dol_syslog("ROLLBACK Transaction",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);
// Conversion syntaxe MySql vers MSDE.
$query = str_ireplace("now()", "getdate()", $query);
// Erreur SQL: cannot update timestamp field
$query = str_ireplace(", tms = tms", "", $query);
// Voir si l'on peut directement utiliser $query = str_ireplace("file", "[file]", $query);
// au lieu des 3 lignes ci-dessous
$query = str_ireplace(".file", ".[file]", $query);
$query = str_ireplace(" file ", " [file] ", $query);
$query = str_ireplace(" file,", " [file],", $query);
// Idem file
$query = str_ireplace(".percent", ".[percent]", $query);
$query = str_ireplace(" percent ", " [percent] ", $query);
$query = str_ireplace("percent,", "[percent],", $query);
$query = str_ireplace("percent=", "[percent]=", $query);
$query = str_ireplace("\'", "''", $query);
$itemfound = stripos($query, " limit ");
if ($itemfound !== false) {
// Extraire le nombre limite
$number = stristr($query, " limit ");
$number = substr($number, 7);
// Inserer l'instruction TOP et le nombre limite
$query = str_ireplace("select ", "select top ".$number." ", $query);
// Supprimer l'instruction MySql
$query = str_ireplace(" limit ".$number, "", $query);
}
$itemfound = stripos($query, " week(");
if ($itemfound !== false) {
// Recreer une requete sans instruction Mysql
$positionMySql = stripos($query, " week(");
$newquery = substr($query, 0, $positionMySql);
// Recuperer la date passee en parametre
$extractvalue = stristr($query, " week(");
$extractvalue = substr($extractvalue, 6);
$positionMySql = stripos($extractvalue, ")");
// Conserver la fin de la requete
$endofquery = substr($extractvalue, $positionMySql);
$extractvalue = substr($extractvalue, 0, $positionMySql);
// Remplacer l'instruction MySql en Sql Server
// Inserer la date en parametre et le reste de la requete
$query = $newquery." DATEPART(week, ".$extractvalue.$endofquery;
}
//print "<!--".$query."-->";
if (! $this->database_name)
{
// Ordre SQL ne necessitant pas de connexion a une base (exemple: CREATE DATABASE)
$ret = mssql_query($query, $this->db);
}
else
{
$ret = mssql_query($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)
{
$result = mssql_query("SELECT @@ERROR as code", $this->db);
$row = mssql_fetch_array($result);
$this->lastqueryerror = $query;
$this->lasterror = $this->error();
$this->lasterrno = $row["code"];
dol_syslog(get_class($this)."::query SQL error: ".$query, 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)
{
// Si le resultset n'est pas fourni, on prend le dernier utilise sur cette connexion
if (! is_resource($resultset)) { $resultset=$this->results; }
return mssql_fetch_object($resultset);
}
/**
* Return datas as an array
*
* @param Resultset $resultset Resultset of request
* @return array Array
*/
function fetch_array($resultset)
{
// Si le resultset n'est pas fourni, on prend le dernier utilise sur cette connexion
if (! is_resource($resultset)) { $resultset=$this->results; }
return mssql_fetch_array($resultset);
}
/**
* Return datas as an array
*
* @param Resultset $resultset Resultset of request
* @return array Array
*/
function fetch_row($resultset)
{
// Si le resultset n'est pas fourni, on prend le dernier utilise sur cette connexion
if (! is_resource($resultset)) { $resultset=$this->results; }
return @mssql_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)
{
// Si le resultset n'est pas fourni, on prend le dernier utilise sur cette connexion
if (! is_resource($resultset)) { $resultset=$this->results; }
return mssql_num_rows($resultset);
}
/**
\brief Renvoie le nombre de lignes dans le resultat d'une requete INSERT, DELETE ou UPDATE
\see num_rows
\param resultset Curseur de la requete voulue
\return int Nombre de lignes
*/
function affected_rows($resultset)
{
// Si le resultset n'est pas fourni, on prend le dernier utilise sur cette connexion
if (! is_resource($resultset)) { $resultset=$this->results; }
// mssql necessite un link de base pour cette fonction contrairement
// a pqsql qui prend un resultset
$rsRows = mssql_query("select @@rowcount as rows", $this->db);
return mssql_result($rsRows, 0, "rows");
//return mssql_affected_rows($this->db);
}
/**
* \brief Libere le dernier resultset utilise sur cette connexion.
* \param resultset Curseur de la requete voulue
*/
function free($resultset=0)
{
// Si le resultset n'est pas fourni, on prend le dernier utilise sur cette connexion
if (! is_resource($resultset)) { $resultset=$this->results; }
// Si resultset en est un, on libere la memoire
if (is_resource($resultset)) mssql_free_result($resultset);
}
/**
* \brief Defini les limites de la requete.
* \param limit nombre maximum de lignes retournees
* \param offset numero de la ligne a partir de laquelle recuperer les ligne
* \return string chaine exprimant la syntax sql de la limite
*/
function plimit($limit=0,$offset=0)
{
global $conf;
if (! $limit) $limit=$conf->liste_limit;
if ($offset > 0) return " LIMIT $offset,$limit ";
else return " LIMIT $limit ";
}
/**
* Define sort criteria of request
* @param sortfield List of sort fields
* @param sortorder Sort order
* @return string String to provide syntax of a sort sql string
* TODO Mutualized this into a mother class
*/
function order($sortfield=0,$sortorder=0)
{
if ($sortfield)
{
$return='';
$fields=explode(',',$sortfield);
foreach($fields as $val)
{
if (! $return) $return.=' ORDER BY ';
else $return.=',';
$return.=preg_replace('/[^0-9a-z_\.]/i','',$val);
if ($sortorder) $return.=' '.preg_replace('/[^0-9a-z]/i','',$sortorder);
}
return $return;
}
else
{
return '';
}
}
/**
* Escape a string to insert data.
*
* @param stringtoencode String to escape
* @return string String escaped
*/
function escape($stringtoencode)
{
return addslashes($stringtoencode);
}
/**
* Convert (by PHP) a GM Timestamp date into a 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 $date;
}
/**
* Formate a SQL IF
* @param test chaine test
* @param resok resultat si test egal
* @param resko resultat si test non egal
* @return string chaine formate SQL
*/
function ifsql($test,$resok,$resko)
{
return 'IF('.$test.','.$resok.','.$resko.')';
}
/**
* \brief Renvoie la derniere requete soumise par la methode query()
* \return lastquery
*/
function lastquery()
{
return $this->lastquery;
}
/**
\brief Renvoie la derniere requete en erreur
\return string lastqueryerror
*/
function lastqueryerror()
{
return $this->lastqueryerror;
}
/**
\brief Renvoie le libelle derniere erreur
\return string lasterror
*/
function lasterror()
{
return $this->lasterror;
}
/**
\brief Renvoie le code derniere erreur
\return string lasterrno
*/
function lasterrno()
{
return $this->lasterrno;
}
/**
\brief Renvoie le code erreur generique de l'operation precedente.
\return error_num (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 MSSql error code to a generic Dolibarr error code
$errorcode_map = array(
1004 => 'DB_ERROR_CANNOT_CREATE',
1005 => 'DB_ERROR_CANNOT_CREATE',
1006 => 'DB_ERROR_CANNOT_CREATE',
1007 => 'DB_ERROR_ALREADY_EXISTS',
1008 => 'DB_ERROR_CANNOT_DROP',
1025 => 'DB_ERROR_NO_FOREIGN_KEY_TO_DROP',
1046 => 'DB_ERROR_NODBSELECTED',
1048 => 'DB_ERROR_CONSTRAINT',
2714 => 'DB_ERROR_TABLE_ALREADY_EXISTS',
1051 => 'DB_ERROR_NOSUCHTABLE',
1054 => 'DB_ERROR_NOSUCHFIELD',
1060 => 'DB_ERROR_COLUMN_ALREADY_EXISTS',
1061 => 'DB_ERROR_KEY_NAME_ALREADY_EXISTS',
2627 => 'DB_ERROR_RECORD_ALREADY_EXISTS',
102 => 'DB_ERROR_SYNTAX',
8120 => 'DB_ERROR_GROUP_BY_SYNTAX',
1068 => 'DB_ERROR_PRIMARY_KEY_ALREADY_EXISTS',
1075 => 'DB_ERROR_CANT_DROP_PRIMARY_KEY',
1091 => 'DB_ERROR_NOSUCHFIELD',
1100 => 'DB_ERROR_NOT_LOCKED',
1136 => 'DB_ERROR_VALUE_COUNT_ON_ROW',
1146 => 'DB_ERROR_NOSUCHTABLE',
1216 => 'DB_ERROR_NO_PARENT',
1217 => 'DB_ERROR_CHILD_EXISTS',
1451 => 'DB_ERROR_CHILD_EXISTS'
);
if (isset($errorcode_map[$this->lasterrno]))
{
return $errorcode_map[$this->lasterrno];
}
$errno=$this->lasterrno;
return ($errno?'DB_ERROR_'.$errno:'0');
}
}
/**
\brief Renvoie le texte de l'erreur mssql de l'operation precedente.
\return error_text
*/
function error()
{
if (! $this->connected) {
// Si il y a eu echec de connexion, $this->db n'est pas valide pour mssql_get_last_message.
return 'Not connected. Check setup parameters in conf/conf.php file and your mssql client and server versions';
}
else {
return mssql_get_last_message($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')
{
$res = $this->query("SELECT @@IDENTITY as id");
if ($data = $this->fetch_array($res))
{
return $data["id"];
}
else
{
return -1;
}
}
/**
* Encrypt sensitive data in database
* Warning: This function includes the escape, so it must use direct value
* @param fieldorvalue Field name or value to encrypt
* @param withQuotes Return string with quotes
* @return return XXX(field) or XXX('value') or field or 'value'
*/
function encrypt($fieldorvalue, $withQuotes=0)
{
global $conf;
// Type of encryption (2: AES (recommended), 1: DES , 0: no encryption)
$cryptType = ($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 = $fieldorvalue;
return ($withQuotes?"'":"").$this->escape($return).($withQuotes?"'":"");
}
/**
* \brief Decrypt sensitive data in database
* \param value Value to decrypt
* \return return Decrypted value if used
*/
function decrypt($value)
{
global $conf;
// Type of encryption (2: AES (recommended), 1: DES , 0: no encryption)
$cryptType = ($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;
return $return;
}
// Next function are not required. Only minor features use them.
//--------------------------------------------------------------
/**
* \brief Renvoie l'id de la connexion
* \return string Id connexion
*/
function DDLGetConnectId()
{
$resql=$this->query('SELECT CONNECTION_ID()');
$row=$this->fetch_row($resql);
return $row[0];
}
/**
* \brief Create a new database
* \param database Database name to create
* \param charset Charset used to store data
* \param collation Charset used to sort data
* \return resource resource defined if OK, null if KO
* \remarks Ne pas utiliser les fonctions xxx_create_db (xxx=mssql, ...) car elles sont deprecated
* We force to create database with charset this->forcecharset and collate this->forcecollate
*/
function DDLCreateDb($database,$charset='',$collation='')
{
// ALTER DATABASE dolibarr_db DEFAULT CHARACTER SET latin DEFAULT COLLATE latin1_swedish_ci
$sql = 'CREATE DATABASE '.$database;
$sql.= ' DEFAULT CHARACTER SET '.$this->forcecharset.' DEFAULT COLLATE '.$this->forcecollate;
$ret=$this->query($sql);
if (! $ret)
{
// On reessaie pour compatibilite avec mssql < 5.0
$sql = 'CREATE DATABASE '.$database;
$ret=$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='')
{
$this->results = mssql_list_tables($database, $this->db);
return $this->results;
}
/**
* 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] .= "(".$field_desc['value'].")";
else if( preg_match("/^[^\s]/i",$field_desc['attribute']))
$sqlfields[$i] .= " ".$field_desc['attribute'];
else if( preg_match("/^[^\s]/i",$field_desc['default']))
{
if(preg_match("/null/i",$field_desc['default']))
$sqlfields[$i] .= " default ".$field_desc['default'];
else
$sqlfields[$i] .= " default '".$field_desc['default']."'";
}
else if( preg_match("/^[^\s]/i",$field_desc['null']))
$sqlfields[$i] .= " ".$field_desc['null'];
else if( preg_match("/^[^\s]/i",$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);
$sql .=") type=".$type;
dol_syslog($sql);
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." ".$field;
dol_syslog($sql);
$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']))
$sql .= "(".$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;
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'] == 'int' || $field_desc['type'] == 'varchar') $sql.="(".$field_desc['value'].")";
dol_syslog($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 `".$field_name."`";
dol_syslog($sql,LOG_DEBUG);
if (! $this->query($sql))
{
$this->error=$this->lasterror();
return -1;
}
else 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)
{
return $this->forcecharset;
}
$liste=$this->fetch_array($resql);
return $liste['Value'];
*/
return '';
}
/**
* 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 {
return null;
}
return $liste;
*/
return ''; // attente debuggage
}
/**
* Return collation used in database
*
* @return string Collation value
*/
function getDefaultCollationDatabase()
{
$resql=$this->query("SELECT SERVERPROPERTY('collation')");
if (!$resql)
{
return $this->forcecollate;
}
$liste=$this->fetch_array($resql);
return $liste['computed'];
}
/**
* Return list of available collation that can be used for database
*
* @return array Liste 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 {
return null;
}
return $liste;
*/
return ''; // attente debugage
}
/**
* Return full path of dump program
*
* @return string Full path of dump program
*/
function getPathOfDump()
{
return '';
}
/**
* Return full path of restore program
*
* @return string Full path of restore program
*/
function getPathOfRestore()
{
return '';
}
}
?>
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