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pgsql.class.php
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pgsql.class.php
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<?php
/* Copyright (C) 2001 Fabien Seisen <seisen@linuxfr.org>
* Copyright (C) 2002-2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
* Copyright (C) 2004-2012 Laurent Destailleur <eldy@users.sourceforge.net>
* Copyright (C) 2004 Sebastien Di Cintio <sdicintio@ressource-toi.org>
* Copyright (C) 2004 Benoit Mortier <benoit.mortier@opensides.be>
* Copyright (C) 2005-2012 Regis Houssin <regis.houssin@capnetworks.com>
* Copyright (C) 2012 Yann Droneaud <yann@droneaud.fr>
* Copyright (C) 2012 Florian Henry <florian.henry@open-concept.pro>
*
* 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/pgsql.class.php
* \brief Fichier de la classe permettant de gerer une base pgsql
*/
/**
* Class to drive a Postgresql database for Dolibarr
*/
class DoliDBPgsql
{
//! Database handler
var $db;
//! Database type
public $type='pgsql'; // Name of manager
//! Database label
static $label='PostgreSQL'; // Label of manager
//! Charset
var $forcecharset='UTF8'; // Can't be static as it may be forced with a dynamic value
//! Collate used to force collate when creating database
var $forcecollate=''; // Can't be static as it may be forced with a dynamic value
//! Version min database
static $versionmin=array(8,4,0); // Version min database
//! Resultset of last request
private $_results;
var $connected; // 1 si connecte, 0 sinon
var $database_selected; // 1 si base selectionne, 0 sinon
var $database_name; //! Nom base selectionnee
var $database_user; //! Nom user base
//! >=1 if a transaction is opened, 0 otherwise
var $transaction_opened;
var $lastquery;
var $lastqueryerror; // Ajout d'une variable en cas d'erreur
var $unescapeslashquot=0; // By default we do not force the unescape of \'. This is used only to process sql with mysql escaped data.
var $standard_conforming_strings=1; // Database has option standard_conforming_strings to on
var $ok;
var $error;
var $lasterror;
/**
* 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("pg_connect"))
{
$this->connected = 0;
$this->ok = 0;
$this->error="Pgsql PHP functions are not available in this version of PHP";
dol_syslog(get_class($this)."::DoliDBPgsql : Pgsql PHP functions 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)."::DoliDBPgsql : Erreur Connect, wrong host parameters",LOG_ERR);
return $this->ok;
}
// Essai connexion serveur
//print "$host, $user, $pass, $name, $port";
$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;
$this->error='Host, login or password incorrect';
dol_syslog(get_class($this)."::DoliDBPgsql : Erreur Connect ".$this->error,LOG_ERR);
}
// Si connexion serveur ok et si connexion base demandee, on essaie connexion base
if ($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($this)."::DoliDBPgsql : Erreur Select_db ".$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...)
* @param string $unescapeslashquot Unescape slash quote with quote quote
* @return string SQL request line converted
*/
static function convertSQLFromMysql($line,$type='auto',$unescapeslashquot=0)
{
// Removed empty line if this is a comment line for SVN tagging
if (preg_match('/^--\s\$Id/i',$line)) {
return '';
}
// Return line if this is a comment
if (preg_match('/^#/i',$line) || preg_match('/^$/i',$line) || preg_match('/^--/i',$line))
{
return $line;
}
if ($line != "")
{
// group_concat support (PgSQL >= 9.1)
$line = preg_replace('/GROUP_CONCAT/i', 'STRING_AGG', $line);
$line = preg_replace('/ SEPARATOR/i', ',', $line);
if ($type == 'auto')
{
if (preg_match('/ALTER TABLE/i',$line)) $type='dml';
else if (preg_match('/CREATE TABLE/i',$line)) $type='dml';
else if (preg_match('/DROP TABLE/i',$line)) $type='dml';
}
if ($type == 'dml')
{
$line=preg_replace('/\s/',' ',$line); // Replace tabulation with space
// we are inside create table statement so lets process datatypes
if (preg_match('/(ISAM|innodb)/i',$line)) { // end of create table sequence
$line=preg_replace('/\)[\s\t]*type[\s\t]*=[\s\t]*(MyISAM|innodb);/i',');',$line);
$line=preg_replace('/\)[\s\t]*engine[\s\t]*=[\s\t]*(MyISAM|innodb);/i',');',$line);
$line=preg_replace('/,$/','',$line);
}
// Process case: "CREATE TABLE llx_mytable(rowid integer NOT NULL AUTO_INCREMENT PRIMARY KEY,code..."
if (preg_match('/[\s\t\(]*(\w*)[\s\t]+int.*auto_increment/i',$line,$reg)) {
$newline=preg_replace('/([\s\t\(]*)([a-zA-Z_0-9]*)[\s\t]+int.*auto_increment[^,]*/i','\\1 \\2 SERIAL PRIMARY KEY',$line);
//$line = "-- ".$line." replaced by --\n".$newline;
$line=$newline;
}
// tinyint type conversion
$line=str_replace('tinyint','smallint',$line);
// nuke unsigned
$line=preg_replace('/(int\w+|smallint)\s+unsigned/i','\\1',$line);
// blob -> text
$line=preg_replace('/\w*blob/i','text',$line);
// tinytext/mediumtext -> text
$line=preg_replace('/tinytext/i','text',$line);
$line=preg_replace('/mediumtext/i','text',$line);
// change not null datetime field to null valid ones
// (to support remapping of "zero time" to null
$line=preg_replace('/datetime not null/i','datetime',$line);
$line=preg_replace('/datetime/i','timestamp',$line);
// double -> numeric
$line=preg_replace('/^double/i','numeric',$line);
$line=preg_replace('/(\s*)double/i','\\1numeric',$line);
// float -> numeric
$line=preg_replace('/^float/i','numeric',$line);
$line=preg_replace('/(\s*)float/i','\\1numeric',$line);
//Check tms timestamp field case (in Mysql this field is defautled to now and
// on update defaulted by now
$line=preg_replace('/(\s*)tms(\s*)timestamp/i','\\1tms timestamp without time zone DEFAULT now() NOT NULL',$line);
// nuke ON UPDATE CURRENT_TIMESTAMP
$line=preg_replace('/(\s*)on(\s*)update(\s*)CURRENT_TIMESTAMP/i','\\1',$line);
// unique index(field1,field2)
if (preg_match('/unique index\s*\((\w+\s*,\s*\w+)\)/i',$line))
{
$line=preg_replace('/unique index\s*\((\w+\s*,\s*\w+)\)/i','UNIQUE\(\\1\)',$line);
}
// We remove end of requests "AFTER fieldxxx"
$line=preg_replace('/\sAFTER [a-z0-9_]+/i','',$line);
// We remove start of requests "ALTER TABLE tablexxx" if this is a DROP INDEX
$line=preg_replace('/ALTER TABLE [a-z0-9_]+\s+DROP INDEX/i','DROP INDEX',$line);
// Translate order to rename fields
if (preg_match('/ALTER TABLE ([a-z0-9_]+)\s+CHANGE(?: COLUMN)? ([a-z0-9_]+) ([a-z0-9_]+)(.*)$/i',$line,$reg))
{
$line = "-- ".$line." replaced by --\n";
$line.= "ALTER TABLE ".$reg[1]." RENAME COLUMN ".$reg[2]." TO ".$reg[3];
}
// Translate order to modify field format
if (preg_match('/ALTER TABLE ([a-z0-9_]+)\s+MODIFY(?: COLUMN)? ([a-z0-9_]+) (.*)$/i',$line,$reg))
{
$line = "-- ".$line." replaced by --\n";
$newreg3=$reg[3];
$newreg3=preg_replace('/ DEFAULT NULL/i','',$newreg3);
$newreg3=preg_replace('/ NOT NULL/i','',$newreg3);
$newreg3=preg_replace('/ NULL/i','',$newreg3);
$newreg3=preg_replace('/ DEFAULT 0/i','',$newreg3);
$newreg3=preg_replace('/ DEFAULT \'[0-9a-zA-Z_@]*\'/i','',$newreg3);
$line.= "ALTER TABLE ".$reg[1]." ALTER COLUMN ".$reg[2]." TYPE ".$newreg3;
// TODO Add alter to set default value or null/not null if there is this in $reg[3]
}
// alter table add primary key (field1, field2 ...) -> We remove the primary key name not accepted by PostGreSQL
// ALTER TABLE llx_dolibarr_modules ADD PRIMARY KEY pk_dolibarr_modules (numero, entity)
if (preg_match('/ALTER\s+TABLE\s*(.*)\s*ADD\s+PRIMARY\s+KEY\s*(.*)\s*\((.*)$/i',$line,$reg))
{
$line = "-- ".$line." replaced by --\n";
$line.= "ALTER TABLE ".$reg[1]." ADD PRIMARY KEY (".$reg[3];
}
// Translate order to drop foreign keys
// ALTER TABLE llx_dolibarr_modules DROP FOREIGN KEY fk_xxx
if (preg_match('/ALTER\s+TABLE\s*(.*)\s*DROP\s+FOREIGN\s+KEY\s*(.*)$/i',$line,$reg))
{
$line = "-- ".$line." replaced by --\n";
$line.= "ALTER TABLE ".$reg[1]." DROP CONSTRAINT ".$reg[2];
}
// Translate order to add foreign keys
// ALTER TABLE llx_tablechild ADD CONSTRAINT fk_tablechild_fk_fieldparent FOREIGN KEY (fk_fieldparent) REFERENCES llx_tableparent (rowid)
if (preg_match('/ALTER\s+TABLE\s+(.*)\s*ADD CONSTRAINT\s+(.*)\s*FOREIGN\s+KEY\s*(.*)$/i',$line,$reg))
{
$line=preg_replace('/;$/','',$line);
$line.=" DEFERRABLE INITIALLY IMMEDIATE;";
}
// alter table add [unique] [index] (field1, field2 ...)
// ALTER TABLE llx_accountingaccount ADD INDEX idx_accountingaccount_fk_pcg_version (fk_pcg_version)
if (preg_match('/ALTER\s+TABLE\s*(.*)\s*ADD\s+(UNIQUE INDEX|INDEX|UNIQUE)\s+(.*)\s*\(([\w,\s]+)\)/i',$line,$reg))
{
$fieldlist=$reg[4];
$idxname=$reg[3];
$tablename=$reg[1];
$line = "-- ".$line." replaced by --\n";
$line.= "CREATE ".(preg_match('/UNIQUE/',$reg[2])?'UNIQUE ':'')."INDEX ".$idxname." ON ".$tablename." (".$fieldlist.")";
}
}
// To have postgresql case sensitive
$line=str_replace(' LIKE \'',' ILIKE \'',$line);
$line=str_replace(' LIKE BINARY \'',' LIKE \'',$line);
// Delete using criteria on other table must not declare twice the deleted table
// DELETE FROM tabletodelete USING tabletodelete, othertable -> DELETE FROM tabletodelete USING othertable
if (preg_match('/DELETE FROM ([a-z_]+) USING ([a-z_]+), ([a-z_]+)/i',$line,$reg))
{
if ($reg[1] == $reg[2]) // If same table, we remove second one
{
$line=preg_replace('/DELETE FROM ([a-z_]+) USING ([a-z_]+), ([a-z_]+)/i','DELETE FROM \\1 USING \\3', $line);
}
}
// Remove () in the tables in FROM if 1 table
$line=preg_replace('/FROM\s*\((([a-z_]+)\s+as\s+([a-z_]+)\s*)\)/i','FROM \\1',$line);
//print $line."\n";
// Remove () in the tables in FROM if 2 table
$line=preg_replace('/FROM\s*\(([a-z_]+\s+as\s+[a-z_]+)\s*,\s*([a-z_]+\s+as\s+[a-z_]+\s*)\)/i','FROM \\1, \\2',$line);
//print $line."\n";
// Remove () in the tables in FROM if 3 table
$line=preg_replace('/FROM\s*\(([a-z_]+\s+as\s+[a-z_]+)\s*,\s*([a-z_]+\s+as\s+[a-z_]+\s*),\s*([a-z_]+\s+as\s+[a-z_]+\s*)\)/i','FROM \\1, \\2, \\3',$line);
//print $line."\n";
// Remove () in the tables in FROM if 4 table
$line=preg_replace('/FROM\s*\(([a-z_]+\s+as\s+[a-z_]+)\s*,\s*([a-z_]+\s+as\s+[a-z_]+\s*),\s*([a-z_]+\s+as\s+[a-z_]+\s*),\s*([a-z_]+\s+as\s+[a-z_]+\s*)\)/i','FROM \\1, \\2, \\3, \\4',$line);
//print $line."\n";
// Remove () in the tables in FROM if 5 table
$line=preg_replace('/FROM\s*\(([a-z_]+\s+as\s+[a-z_]+)\s*,\s*([a-z_]+\s+as\s+[a-z_]+\s*),\s*([a-z_]+\s+as\s+[a-z_]+\s*),\s*([a-z_]+\s+as\s+[a-z_]+\s*),\s*([a-z_]+\s+as\s+[a-z_]+\s*)\)/i','FROM \\1, \\2, \\3, \\4, \\5',$line);
//print $line."\n";
// Replace espacing \' by ''.
// By default we do not (should be already done by db->escape function if required
// except for sql insert in data file that are mysql escaped so we removed them to
// be compatible with standard_conforming_strings=on that considers \ as ordinary character).
if ($unescapeslashquot) $line=preg_replace("/\\\'/","''",$line);
//print "type=".$type." newline=".$line."<br>\n";
}
return $line;
}
/**
* Select a database
* Ici postgresql n'a aucune fonction equivalente de mysql_select_db
* On compare juste manuellement si la database choisie est bien celle activee par la connexion
*
* @param string $database Name of database
* @return boolean true if OK, false if KO
*/
function select_db($database)
{
if ($database == $this->database_name) return true;
else return false;
}
/**
* 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)
{
// use pg_pconnect() instead of pg_connect() if you want to use persistent connection costing 1ms, instead of 30ms for non persistent
$this->db = false;
// connections parameters must be protected (only \ and ' according to pg_connect() manual)
$host = str_replace(array("\\", "'"), array("\\\\", "\\'"), $host);
$login = str_replace(array("\\", "'"), array("\\\\", "\\'"), $login);
$passwd = str_replace(array("\\", "'"), array("\\\\", "\\'"), $passwd);
$name = str_replace(array("\\", "'"), array("\\\\", "\\'"), $name);
$port = str_replace(array("\\", "'"), array("\\\\", "\\'"), $port);
if (! $name) $name="postgres"; // When try to connect using admin user
// try first Unix domain socket (local)
if ((! empty($host) && $host == "socket") && ! defined('NOLOCALSOCKETPGCONNECT'))
{
$con_string = "dbname='".$name."' user='".$login."' password='".$passwd."'"; // $name may be empty
$this->db = pg_connect($con_string);
}
// if local connection failed or not requested, use TCP/IP
if (! $this->db)
{
if (! $host) $host = "localhost";
if (! $port) $port = 5432;
$con_string = "host='".$host."' port='".$port."' dbname='".$name."' user='".$login."' password='".$passwd."'";
$this->db = pg_connect($con_string);
}
// now we test if at least one connect method was a success
if ($this->db)
{
$this->database_name = $name;
pg_set_error_verbosity($this->db, PGSQL_ERRORS_VERBOSE); // Set verbosity to max
}
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('SHOW server_version');
if ($resql)
{
$liste=$this->fetch_array($resql);
return $liste['server_version'];
}
return '';
}
/**
* Return version of database server into an array
*
* @return array Version array
*/
function getVersionArray()
{
return explode('.',$this->getVersion());
}
/**
* Return version of database client driver
*
* @return string Version string
*/
function getDriverInfo()
{
return '';
}
/**
* 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);
$this->connected=0;
return pg_close($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_DEBUG);
}
return $ret;
}
else
{
$this->transaction_opened--;
return 1;
}
}
/**
* Annulation d'une transaction et retour aux anciennes valeurs
*
* @return int 1 si annulation ok ou transaction non ouverte, 0 en cas d'erreur
*/
function rollback()
{
dol_syslog('',0,-1);
if ($this->transaction_opened<=1)
{
$ret=$this->query("ROLLBACK;");
$this->transaction_opened=0;
dol_syslog("ROLLBACK Transaction",LOG_DEBUG);
return $ret;
}
else
{
$this->transaction_opened--;
return 1;
}
}
/**
* Convert request to PostgreSQL syntax, execute it and return the resultset
*
* @param string $query SQL query string
* @param int $usesavepoint 0=Default mode, 1=Run a savepoint before and a rollback to savepoint if error (this allow to have some request with errors inside global transactions).
* @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);
// Convert MySQL syntax to PostgresSQL syntax
$query=$this->convertSQLFromMysql($query,$type,($this->unescapeslashquot && $this->standard_conforming_strings));
//print "After convertSQLFromMysql:\n".$query."<br>\n";
// Fix bad formed requests. If request contains a date without quotes, we fix this but this should not occurs.
$loop=true;
while ($loop)
{
if (preg_match('/([^\'])([0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9])/',$query))
{
$query=preg_replace('/([^\'])([0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9])/','\\1\'\\2\'',$query);
dol_syslog("Warning: Bad formed request converted into ".$query,LOG_WARNING);
}
else $loop=false;
}
if ($usesavepoint && $this->transaction_opened)
{
@pg_query($this->db, 'SAVEPOINT mysavepoint');
}
$ret = @pg_query($this->db, $query);
//print $query;
if (! preg_match("/^COMMIT/i",$query) && ! preg_match("/^ROLLBACK/i",$query)) // Si requete utilisateur, on la sauvegarde ainsi que son resultset
{
if (! $ret)
{
if ($this->errno() != 'DB_ERROR_25P02')
{
$this->lastqueryerror = $query;
$this->lasterror = $this->error();
$this->lasterrno = $this->errno();
}
dol_syslog(get_class($this)."::query SQL error usesavepoint = ".$usesavepoint." - ".$query." - ".pg_last_error($this->db)." = ".$this->errno(), LOG_WARNING);
//print "\n>> ".$query."<br>\n";
//print '>> '.$this->lasterrno.' - '.$this->lasterror.' - '.$this->lastqueryerror."<br>\n";
if ($usesavepoint && $this->transaction_opened)
{
@pg_query($this->db, 'ROLLBACK TO SAVEPOINT mysavepoint');
}
}
$this->lastquery=$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 pg_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 pg_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 pg_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 pg_num_rows($resultset);
}
/**
* Renvoie le nombre de lignes dans le resultat d'une requete INSERT, DELETE ou UPDATE
*
* @param Resultset $resultset Result set of request
* @return int Nb of lines
* @see num_rows
*/
function affected_rows($resultset)
{
// If resultset not provided, we take the last used by connexion
if (! is_resource($resultset)) { $resultset=$this->_results; }
// pgsql necessite un resultset pour cette fonction contrairement
// a mysql qui prend un link de base
return pg_affected_rows($resultset);
}
/**
* Libere le dernier resultset utilise sur cette connexion
*
* @param Resultset $resultset Result set of request
* @return void
*/
function free($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($resultset)) pg_free_result($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 ($offset > 0) return " LIMIT ".$limit." OFFSET ".$offset." ";
else return " LIMIT $limit ";
}
/**
* Define sort criteria of request
*
* @param string $sortfield List of sort fields
* @param string $sortorder Sort order
* @return string String to provide syntax of a sort sql string
* TODO Mutualized this into a mother class
*/
function order($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 string $stringtoencode String to escape
* @return string String escaped
*/
function escape($stringtoencode)
{
return pg_escape_string($stringtoencode);
}
/**
* Convert (by PHP) a GM Timestamp date into a GM string date 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 $resko resultat si test non egal
* @return string chaine formate SQL
*/
function ifsql($test,$resok,$resko)
{
return '(CASE WHEN '.$test.' THEN '.$resok.' ELSE '.$resko.' END)';
}
/**
* Renvoie la derniere requete soumise par la methode query()
*
* @return lastquery
*/
function lastquery()
{
return $this->lastquery;
}
/**
* Renvoie la derniere requete en erreur
*
* @return string lastqueryerror
*/
function lastqueryerror()
{
return $this->lastqueryerror;
}
/**
* Renvoie le libelle derniere erreur
*
* @return string lasterror
*/
function lasterror()
{
return $this->lasterror;
}
/**
* Renvoie le code derniere erreur
*
* @return string lasterrno
*/
function lasterrno()
{
return $this->lasterrno;
}
/**
* 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 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',
'42P07' => 'DB_ERROR_TABLE_OR_KEY_ALREADY_EXISTS',
'42703' => 'DB_ERROR_NOSUCHFIELD',
1060 => 'DB_ERROR_COLUMN_ALREADY_EXISTS',
42701=> 'DB_ERROR_COLUMN_ALREADY_EXISTS',
'42710' => 'DB_ERROR_KEY_NAME_ALREADY_EXISTS',
'23505' => 'DB_ERROR_RECORD_ALREADY_EXISTS',
'42704' => 'DB_ERROR_NO_INDEX_TO_DROP',
'42601' => 'DB_ERROR_SYNTAX',
'42P16' => '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',
'42P01' => 'DB_ERROR_NOSUCHTABLE',
'23503' => 'DB_ERROR_NO_PARENT',
1217 => 'DB_ERROR_CHILD_EXISTS',
1451 => 'DB_ERROR_CHILD_EXISTS',
'42P04' => 'DB_DATABASE_ALREADY_EXISTS'
);
$errorlabel=pg_last_error($this->db);
$errorcode='';
if (preg_match('/: *([0-9P]+):/',$errorlabel,$reg))
{
$errorcode=$reg[1];
if (isset($errorcode_map[$errorcode]))
{
return $errorcode_map[$errorcode];
}
}
$errno=$errorcode?$errorcode:$errorlabel;
return ($errno?'DB_ERROR_'.$errno:'0');
}
// '/(Table does not exist\.|Relation [\"\'].*[\"\'] does not exist|sequence does not exist|class ".+" not found)$/' => 'DB_ERROR_NOSUCHTABLE',
// '/table [\"\'].*[\"\'] does not exist/' => 'DB_ERROR_NOSUCHTABLE',
// '/Relation [\"\'].*[\"\'] already exists|Cannot insert a duplicate key into (a )?unique index.*/' => 'DB_ERROR_RECORD_ALREADY_EXISTS',
// '/divide by zero$/' => 'DB_ERROR_DIVZERO',
// '/pg_atoi: error in .*: can\'t parse /' => 'DB_ERROR_INVALID_NUMBER',
// '/ttribute [\"\'].*[\"\'] not found$|Relation [\"\'].*[\"\'] does not have attribute [\"\'].*[\"\']/' => 'DB_ERROR_NOSUCHFIELD',
// '/parser: parse error at or near \"/' => 'DB_ERROR_SYNTAX',
// '/referential integrity violation/' => 'DB_ERROR_CONSTRAINT'
}
/**
* Renvoie le texte de l'erreur pgsql de l'operation precedente
*
* @return error_text
*/
function error()
{
return pg_last_error($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,$fieldid='rowid')
{
//$result = pg_query($this->db,"SELECT MAX(".$fieldid.") FROM ".$tab);
$result = pg_query($this->db,"SELECT currval('".$tab."_".$fieldid."_seq')");
if (! $result)
{
print pg_last_error($this->db);
exit;
}
//$nbre = pg_num_rows($result);
$row = pg_fetch_result($result,0,0);
return $row;
}
/**
* 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 $withQuotes Return string with quotes
* @return return XXX(field) or XXX('value') or field or 'value'
*/
function encrypt($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?"'":"");
}
/**
* Decrypt sensitive data in database
*
* @param int $value Value to decrypt
* @return string Decrypted value if used
*/
function decrypt($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()
{
return '?';
}
/**