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<?php
/*vim: set expandtab tabstop=4 shiftwidth=4: */
// +------------------------------------------------------------------------------------------------------+
// | PHP version 4.1 |
// +------------------------------------------------------------------------------------------------------+
// | Copyright (C) 2004 Tela Botanica (accueil@tela-botanica.org) |
// +------------------------------------------------------------------------------------------------------+
// | This library is free software; you can redistribute it and/or |
// | modify it under the terms of the GNU Lesser General Public |
// | License as published by the Free Software Foundation; either |
// | version 2.1 of the License, or (at your option) any later version. |
// | |
// | This library 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 |
// | Lesser General Public License for more details. |
// | |
// | You should have received a copy of the GNU Lesser General Public |
// | License along with this library; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
// +------------------------------------------------------------------------------------------------------+
// CVS : $Id: SQL_manipulation.fonct.php,v 1.1 2004-06-15 10:13:26 jpm Exp $
/**
* Bibliothèque de fonctions liées au SQL
*
* Contient des fonctions permettant d'automatiser certaine requête SQL.
*
*@package SQL
//Auteur original :
*@author Jean-Pascal MILCENT <jpm@tela-botanica.org>
//Autres auteurs :
*@author Aucun
*@copyright Tela-Botanica 2000-2004
*@version $Revision: 1.1 $ $Date: 2004-06-15 10:13:26 $
// +------------------------------------------------------------------------------------------------------+
*/
// +------------------------------------------------------------------------------------------------------+
// | LISTE de FONCTIONS |
// +------------------------------------------------------------------------------------------------------+
/** Fonction SQL_obtenirNouveauId()- Retourne le prochain identifiant numérique libre d'une table.
*
* On passe en paramètre le nom de la table, le nom du champ cotnenant la clé et l'objet PEAR DB
*
* @param mixed handler de connexion
* @param string Nom de la table
* @param string Nom du champ identifiant.
* @return mixed la nouvelle valeur de clé pouvant être utilisé ou false en cas d'erreur sql.
*/
function SQL_obtenirNouveauId($db, $table, $colonne_identifiant)
{
$requete = 'SELECT MAX('.$colonne_identifiant.') AS maxi FROM '.$table;
$resultat = $db->query($requete);
if (DB::isError($resultat) || $resultat->numRows() > 1) {
return false;
}
$ligne = $resultat->fetchRow(DB_FETCHMODE_OBJECT);
return $ligne->maxi + 1;
}
/* +--Fin du code ----------------------------------------------------------------------------------------+
*
* $Log: not supported by cvs2svn $
* Revision 1.1 2004/04/28 11:38:54 jpm
* Ajout d'un fichier de fonctions de manipulation sql.
*
*
* +-- Fin du code ----------------------------------------------------------------------------------------+
*/
?>