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dolibarr-fork/htdocs/core/db/mssql.class.php
2015-05-12 19:51:41 +02:00

1159 lines
35 KiB
PHP

<?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.houssin@capnetworks.com>
* Copyright (C) 2007 Simon Desee <simon@dedisoft.com>
* Copyright (C) 2015 Cedric GROSS <c.gross@kreiz-it.fr>
*
* 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/mssql.class.php
* \brief Fichier de la classe permettant de gerer une base MSSQL
*/
require_once DOL_DOCUMENT_ROOT .'/core/db/DoliDB.class.php';
/**
* Classe de gestion de la database de dolibarr
*/
class DoliDBMssql extends DoliDB
{
//! Database type
public $type='mssql';
//! Database label
const LABEL='MSSQL';
//! Charset used to force charset when creating database
var $forcecharset='latin1'; // Can't be static as it may be forced with a dynamic value
//! Collate used to force collate when creating database
var $forcecollate='latin1_swedish_ci'; // Can't be static as it may be forced with a dynamic value
//! Version min database
const VERSIONMIN='2000';
/** @var resource Resultset of last query */
private $_results;
/**
* 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 $port Port of database server
*/
function __construct($type, $host, $user, $pass, $name='', $port=0)
{
global $langs;
$this->database_user=$user;
$this->database_host=$host;
$this->database_port=$port;
$this->transaction_opened=0;
if (! function_exists("mssql_connect"))
{
$this->connected = false;
$this->ok = false;
$this->error="Mssql PHP functions for using MSSql driver are not available in this version of PHP";
dol_syslog(get_class($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 = false;
$this->ok = false;
$this->error=$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 = true;
$this->ok = true;
}
else
{
// host, login ou password incorrect
$this->connected = false;
$this->ok = false;
$this->error=mssql_get_last_message();
dol_syslog(get_class($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 = true;
$this->database_name = $name;
$this->ok = true;
}
else
{
$this->database_selected = false;
$this->database_name = '';
$this->ok = false;
$this->error=$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 = false;
}
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)
{
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 int $port Port of database server
* @return false|resource|true Database access handler
* @see close
*/
function connect($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;
$set_options=array('SET ANSI_PADDING ON;',
"SET ANSI_NULLS ON;",
"SET ANSI_WARNINGS ON;",
"SET ARITHABORT ON;",
"SET CONCAT_NULL_YIELDS_NULL ON;",
"SET QUOTED_IDENTIFIER ON;"
);
mssql_query(implode(' ',$set_options),$this->db);
return $this->db;
}
/**
* Return version of database server
*
* @return string Version string
*/
function getVersion()
{
$resql=$this->query("SELECT @@VERSION");
$version=$this->fetch_array($resql);
return $version['computed'];
}
/**
* Return version of database client driver
*
* @return string Version string
*/
function getDriverInfo()
{
// FIXME: Dummy method
// TODO: Implement
return '';
}
/**
* Close database connexion
*
* @return bool True if disconnect successfull, false otherwise
* @see connect
*/
function close()
{
if ($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);
$this->connected=false;
return mssql_close($this->db);
}
return false;
}
/**
* Start transaction
*
* @return bool true if transaction successfuly opened or already opened, false if error
*/
function begin()
{
$res=mssql_query('select @@TRANCOUNT');
$this->transaction_opened=mssql_result($res, 0, 0);
if ($this->transaction_opened == 0)
{
//return 1; //There is a mess with auto_commit and 'SET IMPLICIT_TRANSACTIONS ON' generate also a mess
$ret=mssql_query("SET IMPLICIT_TRANSACTIONS OFF;BEGIN TRANSACTION;",$this->db);
if ($ret)
{
dol_syslog("BEGIN Transaction",LOG_DEBUG);
}
return $ret;
}
else
{
return true;
}
}
/**
* Validate a database transaction
*
* @param string $log Add more log to default log line
* @return bool true if validation is OK or transaction level no started, false if ERROR
*/
function commit($log='')
{
$res=mssql_query('select @@TRANCOUNT');
$this->transaction_opened=mssql_result($res, 0, 0);
if ($this->transaction_opened == 1)
{
//return 1; //There is a mess with auto_commit and 'SET IMPLICIT_TRANSACTION ON' generate also a mess
$ret=mssql_query("COMMIT TRANSACTION",$this->db);
if ($ret)
{
dol_syslog("COMMIT Transaction",LOG_DEBUG);
return true;
}
else
{
return false;
}
}
elseif ($this->transaction_opened > 1)
{
return true;
}
trigger_error("Commit requested but no transaction remain");
return false;
}
/**
* Annulation d'une transaction et retour aux anciennes valeurs
*
* @param string $log Add more log to default log line
* @return bool true si annulation ok ou transaction non ouverte, false en cas d'erreur
*/
function rollback($log='')
{
$res=mssql_query('select @@TRANCOUNT');
$this->transaction_opened=mssql_result($res, 0, 0);
if ($this->transaction_opened == 1)
{
$ret=mssql_query("ROLLBACK TRANSACTION",$this->db);
dol_syslog("ROLLBACK Transaction".($log?' '.$log:''),LOG_DEBUG);
return $ret;
}
elseif ($this->transaction_opened > 1)
{
return true;
}
trigger_error("Rollback requested but no transaction remain");
return false;
}
/**
* 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 $type Type of SQL order ('ddl' for insert, update, select, delete or 'dml' for create, alter...)
* @return false|resource|true Resultset of answer
*/
function query($query,$usesavepoint=0,$type='auto')
{
$query = trim($query);
if (preg_match('/^--/',$query)) return true;
// Conversion syntaxe MySql vers MSDE.
$query = str_ireplace("now()", "getdate()", $query);
// Erreur SQL: cannot update timestamp field
$query = str_ireplace(", tms = tms", "", $query);
$query=preg_replace("/([. ,\t(])(percent|file|public)([. ,=\t)])/","$1[$2]$3",$query);
if ($type=="auto" || $type='dml')
{
$query=preg_replace('/AUTO_INCREMENT/i','IDENTITY',$query);
$query=preg_replace('/double/i','float',$query);
$query=preg_replace('/float\((.*)\)/','numeric($1)',$query);
$query=preg_replace('/([ \t])unsigned|IF NOT EXISTS[ \t]/i','$1',$query);
$query=preg_replace('/([ \t])(MEDIUM|TINY|LONG){0,1}TEXT([ \t,])/i',"$1VARCHAR(MAX)$3",$query);
$matches=array();
$original_query='';
if (preg_match('/ALTER TABLE\h+(\w+?)\h+ADD\h+(?:(UNIQUE)|INDEX)\h+(?:INDEX)?\h*(\w+?)\h*\((.+)\)/is', $query,$matches))
{
$original_query=$query;
$query="CREATE ".trim($matches[2])." INDEX [".trim($matches[3])."] ON [".trim($matches[1])."] (".trim($matches[4]).")";
if ($matches[2]) {
//check if columun is nullable cause Sql server only allow 1 null value if unique index.
$fields=explode(",",trim($matches[4]));
$fields_clear=array_map('trim',$fields);
$infos=$this->GetFieldInformation(trim($matches[1]), $fields_clear);
$query_comp=array();
foreach($infos as $fld) {
if ($fld->IS_NULLABLE == 'YES') {
$query_comp[]=$fld->COLUMN_NAME." IS NOT NULL";
}
}
if ($query_comp)
$query.=" WHERE ".implode(" AND ",$query_comp);
}
}
else
{
if (preg_match('/ALTER TABLE\h+(\w+?)\h+ADD\h+PRIMARY\h+KEY\h+(\w+?)\h*\((.+)\)/is', $query, $matches))
{
$original_query=$query;
$query="ALTER TABLE [".$matches[1]."] ADD CONSTRAINT [".$matches[2]."] PRIMARY KEY CLUSTERED (".$matches[3].")";
}
}
}
if ($type=="auto" || $type='ddl')
{
$itemfound = stripos($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;
}
if (preg_match('/^insert\h+(?:INTO)?\h*(\w+?)\h*\(.*\b(?:row)?id\b.*\)\h+VALUES/i',$query,$matches))
{
//var_dump($query);
//var_dump($matches);
//if (stripos($query,'llx_c_departements') !== false) var_dump($query);
$sql='SET IDENTITY_INSERT ['.trim($matches[1]).'] ON;';
@mssql_query($sql, $this->db);
$post_query='SET IDENTITY_INSERT ['.trim($matches[1]).'] OFF;';
}
}
//print "<!--".$query."-->";
if (! in_array($query,array('BEGIN','COMMIT','ROLLBACK'))) dol_syslog('sql='.$query, LOG_DEBUG);
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, $this->db);
}
if (!empty($post_query))
{
@mssql_query($post_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: ".$query, LOG_ERR);
if ($original_query) dol_syslog(get_class($this)."::query SQL Original query: ".$original_query, LOG_ERR);
dol_syslog(get_class($this)."::query SQL Error message: ".$this->lasterror." (".$this->lasterrno.")", LOG_ERR);
}
$this->lastquery=$query;
$this->_results = $ret;
}
return $ret;
}
/**
* Renvoie la ligne courante (comme un objet) pour le curseur resultset
*
* @param resource $resultset Curseur de la requete voulue
* @return object|false Object result line or false if KO or end of cursor
*/
function fetch_object($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 resource $resultset Resultset of request
* @return array|false Array or false if KO or end of cursor
*/
function fetch_array($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 resource $resultset Resultset of request
* @return array|false Array or false if KO or end of cursor
*/
function fetch_row($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 resource $resultset Resulset of requests
* @return int Nb of lines
* @see affected_rows
*/
function num_rows($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);
}
/**
* Renvoie le nombre de lignes dans le resultat d'une requete INSERT, DELETE ou UPDATE
*
* @param resource $resultset Curseur de la requete voulue
* @return int Nombre de lignes
* @see num_rows
*/
function affected_rows($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);
}
/**
* Free last resultset used.
*
* @param resource $resultset Curseur de la requete voulue
* @return bool
*/
function free($resultset=null)
{
// 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);
}
/**
* 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 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");
}
/**
* 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 MSSql error code to a generic Dolibarr error code
$errorcode_map = array(
1004 => 'DB_ERROR_CANNOT_CREATE',
1005 => 'DB_ERROR_CANNOT_CREATE',
1006 => 'DB_ERROR_CANNOT_CREATE',
1007 => 'DB_ERROR_ALREADY_EXISTS',
1008 => 'DB_ERROR_CANNOT_DROP',
1025 => 'DB_ERROR_NO_FOREIGN_KEY_TO_DROP',
1046 => 'DB_ERROR_NODBSELECTED',
1048 => 'DB_ERROR_CONSTRAINT',
2714 => 'DB_ERROR_TABLE_ALREADY_EXISTS',
1051 => 'DB_ERROR_NOSUCHTABLE',
1054 => 'DB_ERROR_NOSUCHFIELD',
1060 => 'DB_ERROR_COLUMN_ALREADY_EXISTS',
1061 => 'DB_ERROR_KEY_NAME_ALREADY_EXISTS',
2627 => 'DB_ERROR_RECORD_ALREADY_EXISTS',
102 => 'DB_ERROR_SYNTAX',
8120 => 'DB_ERROR_GROUP_BY_SYNTAX',
1068 => 'DB_ERROR_PRIMARY_KEY_ALREADY_EXISTS',
1075 => 'DB_ERROR_CANT_DROP_PRIMARY_KEY',
1091 => 'DB_ERROR_NOSUCHFIELD',
1100 => 'DB_ERROR_NOT_LOCKED',
1136 => 'DB_ERROR_VALUE_COUNT_ON_ROW',
1146 => 'DB_ERROR_NOSUCHTABLE',
1216 => 'DB_ERROR_NO_PARENT',
1217 => 'DB_ERROR_CHILD_EXISTS',
1451 => 'DB_ERROR_CHILD_EXISTS',
1913 => 'DB_ERROR_KEY_NAME_ALREADY_EXISTS'
);
if (isset($errorcode_map[$this->lasterrno]))
{
return $errorcode_map[$this->lasterrno];
}
$errno=$this->lasterrno;
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 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();
}
}
/**
* 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 $fieldid Field name
* @return int Id of row or -1 on error
*/
function last_insert_id($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 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)
$cryptType = ($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?"'":"");
}
/**
* 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)
$cryptType = ($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;
}
/**
* 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 $owner Username of database owner
* @return false|resource|true resource defined if OK, false if KO
*/
function DDLCreateDb($database,$charset='',$collation='',$owner='')
{
/*if (empty($charset)) $charset=$this->forcecharset;
if (empty($collation)) $collation=$this->forcecollate;
*/
$sql = 'CREATE DATABASE '.$this->EscapeFieldName($database);
//TODO: Check if we need to force a charset
//$sql.= ' DEFAULT CHARACTER SET '.$charset.' DEFAULT COLLATE '.$collation;
$ret=$this->query($sql);
$this->select_db($database);
$sql="CREATE USER [$owner] FOR LOGIN [$owner]";
mssql_query($sql,$this->db);
$sql="ALTER ROLE [db_owner] ADD MEMBER [$owner]";
mssql_query($sql,$this->db);
$sql="ALTER DATABASE [$database] SET ANSI_NULL_DEFAULT ON;";
@mssql_query($sql,$this->db);
$sql="ALTER DATABASE [$database] SET ANSI_NULL ON;";
@mssql_query($sql,$this->db);
return $ret;
}
/**
* List tables into a database
*
* @param string $database Name of database
* @param string $table Nmae of table filter ('xxx%')
* @return array List of tables in an array
*/
function DDLListTables($database,$table='')
{
$this->_results = mssql_list_tables($database, $this->db);
return $this->_results;
}
/**
* 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)
{
// FIXME: Dummy method
// TODO: Implement
// May help: https://stackoverflow.com/questions/600446/sql-server-how-do-you-return-the-column-names-from-a-table
$infotables=array();
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 array $keys Tableau des champs cles noms => valeur
* @return int <0 if KO, >=0 if OK
*/
function DDLCreateTable($table,$fields,$primary_key,$type,$unique_keys=null,$fulltext_keys=null,$keys=null)
{
// FIXME: $fulltext_keys parameter is unused
// 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(is_array($unique_keys))
{
$i = 0;
foreach($unique_keys as $key => $value)
{
$sqluq[$i] = "UNIQUE KEY '".$key."' ('".$value."')";
$i++;
}
}
if(is_array($keys))
{
$i = 0;
foreach($keys as $key => $value)
{
$sqlk[$i] = "KEY ".$key." (".$value.")";
$i++;
}
}
$sql .= implode(',',$sqlfields);
if($primary_key != "")
$sql .= ",".$pk;
if(is_array($unique_keys))
$sql .= ",".implode(',',$sqluq);
if(is_array($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 $field Optionnel : Name of field if we want description of field
* @return false|resource|true Resource
*/
function DDLDescTable($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'] == 'tinyint' || $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;
}
/**
* 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)
{
$sql = "CREATE LOGIN ".$this->EscapeFieldName($dolibarr_main_db_user)." WITH PASSWORD='$dolibarr_main_db_pass'";
dol_syslog(get_class($this)."::DDLCreateUser", LOG_DEBUG); // No sql to avoid password in log
$resql=$this->query($sql);
if (! $resql)
{
if ($this->lasterrno != '15025')
{
return -1;
}
else
{
// If user already exists, we continue to set permissions
dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_WARNING);
}
}
$sql="SELECT name from sys.databases where name='".$dolibarr_main_db_name."'";
$ressql=$this->query($sql);
if (! $ressql)
{
dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_WARNING);
return -1;
}
else
{
if ($num)
{
$this->select_db($dolibarr_main_db_name);
$sql="CREATE USER [$dolibarr_main_db_user] FOR LOGIN [$dolibarr_main_db_user]";
$this->query($sql);
$sql="ALTER ROLE [db_owner] ADD MEMBER [$dolibarr_main_db_user]";
$this->query($sql);
}
}
return 1;
}
/**
* Return charset used to store data in database
*
* @return string Charset
*/
function getDefaultCharacterSetDatabase()
{
// FIXME: Dummy method
// TODO: Implement
return '';
}
/**
* Return list of available charset that can be used to store data in database
*
* @return array List of Charset
*/
function getListOfCharacterSet()
{
// FIXME: Dummy method
// TODO: Implement
return '';
}
/**
* 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()
{
// FIXME: Dummy method
// TODO: Implement
return array();
}
/**
* Return full path of dump program
*
* @return string Full path of dump program
*/
function getPathOfDump()
{
// FIXME: Dummy method
// TODO: Implement
return '';
}
/**
* Return full path of restore program
*
* @return string Full path of restore program
*/
function getPathOfRestore()
{
// FIXME: Dummy method
// TODO: Implement
return '';
}
/**
* Return value of server parameters
*
* @param string $filter Filter list on a particular value
* @return array Array of key-values (key=>value)
*/
function getServerParametersValues($filter='')
{
// FIXME: Dummy method
// TODO: Implement
// May help: SELECT SERVERPROPERTY
$result=array();
return $result;
}
/**
* Return value of server status
*
* @param string $filter Filter list on a particular value
* @return array Array of key-values (key=>value)
*/
function getServerStatusValues($filter='')
{
// FIXME: Dummy method
// TODO: Implement
// May help: http://www.experts-exchange.com/Database/MS-SQL-Server/Q_20971756.html
return array();
}
/**
* Escape a field name according to escape's syntax
*
* @param string $fieldname Field's name to escape
* @return string field's name escaped
*/
function EscapeFieldName($fieldname) {
return "[".$fieldname."]";
}
/**
* Get information on field
*
* @param string $table Table name which contains fields
* @param mixed $fields String for one field or array of string for multiple field
* @return false|object
*/
function GetFieldInformation($table,$fields) {
$sql="SELECT * from INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='".$this->escape($table)."' AND COLUMN_NAME";
if (is_array($fields))
{
$where=" IN ('".implode("','",$fields)."')";
}
else
{
$where="='".$this->escape($fields)."'";
}
$result=array();
$ret=mssql_query($sql.$where,$this->db);
if ($ret)
{
while($obj=mssql_fetch_object($ret))
{
$result[]=$obj;
}
}
else
return false;
return $result;
}
}