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Funktionen Modul FASo
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Andreas Österreicher
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<?php
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/* Copyright (C) 2006 Technikum-Wien
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* Authors: Christian Paminger <christian.paminger@technikum-wien.at>,
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* Andreas Oesterreicher <andreas.oesterreicher@technikum-wien.at> and
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* Rudolf Hangl <rudolf.hangl@technikum-wien.at>.
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*/
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class bisfunktion
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{
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var $conn; // @var resource DB-Handle
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var $new; // @var boolean
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var $errormsg; // @var string
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var $result = array(); // @var email Objekt
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//Tabellenspalten
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var $bisverwendung_id;
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var $studiengang_kz;
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var $sws;
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var $updateamum;
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var $updatevon;
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var $insertamum;
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var $insertvon;
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var $ext_id;
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// ***********************************************
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// * Konstruktor
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// * @param conn Connection zur Datenbank
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// * bisverwendung_id ID des zu ladenden Datensatzes
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// ***********************************************
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function bisfunktion($conn, $bisverwendung_id=null, $studiengang_kz=null, $unicode=false)
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{
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$this->conn = $conn;
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if($unicode!=null)
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{
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if($unicode)
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$qry = "SET CLIENT_ENCODING TO 'UNICODE';";
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else
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$qry = "SET CLIENT_ENCODING TO 'LATIN9';";
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if(!pg_query($conn,$qry))
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{
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$this->errormsg = "Encoding konnte nicht gesetzt werden";
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return false;
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}
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}
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if($bisverwendung_id != null && $studiengang_kz != null)
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$this->load($bisverwendung_id, $studiengang_kz);
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}
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// ***********************************************
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// * Laedt einen Datensatz
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// * @param bisverwendung_id ID des zu ladenden Datensatzes
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// * studiengang_kz
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// ***********************************************
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function load($bisverwendung_id, $studiengang_kz)
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{
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//bisverwendung_id auf gueltigkeit pruefen
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if(!is_numeric($bisverwendung_id) || $bisverwendung_id == '')
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{
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$this->errormsg = 'bisverwendung_id muss eine gueltige Zahl sein';
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return false;
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}
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if(!is_numeric($studiengang_kz) || $studiengang_kz == '')
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{
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$this->errormsg = 'studiengang_kz muss eine gueltige Zahl sein';
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return false;
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}
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//laden des Datensatzes
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$qry = "SELECT * FROM bis.tbl_bisfunktion WHERE bisverwendung_id='$bisverwendung_id' AND studiengang_kz='$studiengang_kz'";
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if($result = pg_query($this->conn,$qry))
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{
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if($row=pg_fetch_object($result))
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{
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$this->bisverwendung_id = $row->bisverwendung_id;
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$this->studiengang_kz = $row->studiengang_kz;
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$this->sws = $row->sws;
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$this->updateamum = $row->updateamum;
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$this->updatevon = $row->updatevon;
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$this->insertamum = $row->insertamum;
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$this->insertvon = $row->insertvon;
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$this->ext_id = $row->ext_id;
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler bei der Datenbankabfrage';
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return false;
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}
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}
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else
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{
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$this->errormsg = 'Fehler bei der Datenbankabfrage';
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return false;
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}
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}
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// **************************************************
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// * Loescht einen Datensatz
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// * @param bisverwendung_id ID des zu loeschenden Datensatzes
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// * @return true wenn ok, false im Fehlerfall
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// **************************************************
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function delete($bisverwendung_id, $studiengang_kz)
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{
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//akte_id auf gueltigkeit pruefen
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if(!is_numeric($bisverwendung_id) || $bisverwendung_id == '')
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{
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$this->errormsg = 'bisverwendung_id muss eine gueltige Zahl sein';
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return false;
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}
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if(!is_numeric($studiengang_kz) || $studiengang_kz == '')
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{
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$this->errormsg = 'studiengang_kz muss eine gueltige Zahl sein';
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return false;
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}
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$qry = "DELETE FROM bis.tbl_bisfunktion WHERE bisverwendung_id = '$bisverwendung_id' AND studiengang_kz='$studiengang_kz';";
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if(pg_query($this->conn,$qry))
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{
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//Log schreiben
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Loeschen';
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return false;
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}
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}
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function validate()
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{
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return true;
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}
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// ************************************************
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// * wenn $var '' ist wird "null" zurueckgegeben
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// * wenn $var !='' ist werden datenbankkritische
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// * Zeichen mit backslash versehen und das Ergebnis
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// * unter Hochkomma gesetzt.
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// ************************************************
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function addslashes($var)
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{
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return ($var!=''?"'".addslashes($var)."'":'null');
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}
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// *********************************************************************
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// * Speichert den aktuellen Datensatz
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// * Wenn $neu auf true gesetzt ist wird ein neuer Datensatz angelegt
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// * andernfalls wird der Datensatz mit der ID in $akte_id aktualisiert
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// * @return true wenn ok, false im Fehlerfall
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// *********************************************************************
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function save($new=null)
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{
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if(!$this->validate())
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return false;
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if($new==null)
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$new = $this->new;
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if($new)
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{
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//Neuen Datensatz anlegen
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$qry = "BEGIN;INSERT INTO bis.tbl_bisfunktion (bisverwendung_id, studiengang_kz, sws
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updateamum, updatevon, insertamum, insertvon, ext_id) VALUES (".
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$this->addslashes($this->bisverwendung_id).', '.
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$this->addslashes($this->studiengang_kz).', '.
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$this->addslashes($this->sws).', '.
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$this->addslashes($this->updateamum).', '.
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$this->addslashes($this->updatevon).', '.
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$this->addslashes($this->insertamum).', '.
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$this->addslashes($this->insertvon).', '.
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$this->addslashes($this->ext_id).');';
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}
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else
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{
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//Bestehenden Datensatz aktualisieren
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$qry= "UPDATE bis.tbl_bisfunktion SET".
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" sws=".$this->addslashes($this->sws).",".
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" updateamum=".$this->addslashes($this->updateamum).",".
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" updatevon=".$this->addslashes($this->updatevon).",".
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" ext_id=".$this->addslashes($this->ext_id).
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" WHERE bisverwendung_id='".addslashes($this->bisverwendung_id)."' AND studiengang_kz='$studiengang_kz'";
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}
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if(pg_query($this->conn, $qry))
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{
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Speichern des Datensatzes';
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return false;
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}
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}
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// ********************************************
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// * Laedt alle Verwendungen eines Mitarbeiters
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// * @param $uid UID des Mitarbeiters
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// * @return true wenn ok, false wenn Fehler
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// ********************************************
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function getBisFunktion($bisverwendung_id, $studiengang_kz=null)
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{
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//laden des Datensatzes
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$qry = "SELECT * FROM bis.tbl_bisfunktion WHERE bisverwendung_id='".addslashes($bisverwendung_id)."'";
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if($studiengang_kz!=null)
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$qry.=" AND studiengang_kz='".addslashes($studiengang_kz)."'";
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if($result = pg_query($this->conn,$qry))
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{
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while($row=pg_fetch_object($result))
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{
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$obj = new bisfunktion($this->conn, null, null, null);
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$obj->bisverwendung_id = $row->bisverwendung_id;
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$obj->studiengang_kz = $row->studiengang_kz;
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$obj->sws = $row->sws;
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$obj->updateamum = $row->updateamum;
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$obj->updatevon = $row->updatevon;
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$obj->insertamum = $row->insertamum;
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$obj->insertvon = $row->insertvon;
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$obj->ext_id = $row->ext_id;
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$this->result[] = $obj;
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}
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler bei der Datenbankabfrage';
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return false;
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}
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}
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}
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?>
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