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https://github.com/FH-Complete/FHC-Core.git
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Gerald Raab
Executable
+228
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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 legesamtnote
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{
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var $conn; // resource DB-Handle
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var $errormsg; // string
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var $new; // boolean
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var $legesamtnoten = array(); // lehreinheit Objekt
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//Tabellenspalten
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var $student_uid; // varchar(16)
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var $lehreinheit_id; // int
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var $note; // smallint
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var $benotungsdatum; //date
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var $updateamum; // timestamp
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var $updatevon; // varchar(16)
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var $insertamum; // timestamp
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var $insertvon; // varchar(16)
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// *************************************************************************
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// * Konstruktor - Uebergibt die Connection und laedt optional eine Uebung
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// * @param $conn Datenbank-Connection
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// * $uebung_id
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// * $unicode Gibt an ob die Daten mit UNICODE Codierung
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// * oder LATIN9 Codierung verarbeitet werden sollen
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// *************************************************************************
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function legesamtnote($conn, $student_uid=null, $lehreinheit_id=null, $unicode=false)
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{
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$this->conn = $conn;
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if($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($this->conn,$qry))
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{
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$this->errormsg = 'Encoding konnte nicht gesetzt werden';
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return false;
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}
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if($student_uid != null)
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$this->load($student_uid, $lehreinheit_id);
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}
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// *********************************************************
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// * Laedt die legesamtnote
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// * @param student_uid, lehreinheit_id
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// *********************************************************
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function load($student_uid, $lehreinheit_id)
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{
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if(!is_numeric($lehreinheit_id))
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{
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$this->errormsg='lehreinheit_id muss eine gueltige Zahl sein';
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return false;
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}
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$qry = "SELECT * FROM campus.tbl_legesamtnote where student_uid = '".$student_uid."' and lehreinheit_id = '".$lehreinheit_id."'";
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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->lehreinheit_id = $row->lehreinheit_id;
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$this->student_uid = $row->student_uid;
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$this->note = $row->note;
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$this->benotungsdatum = $row->benotungsdatum;
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$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 = $row->insertvon;
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return true;
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}
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else
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{
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$this->errormsg = "Es ist keine legesamtnote mit der fuer diesen studenten vorhanden";
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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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$this->errormsg = 'Fehler beim laden der Uebung';
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return false;
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}
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}
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function load_legesamtnote($lehreinheit_id)
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{
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if(!is_numeric($lehreinheit_id))
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{
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$this->errormsg = 'Lehreinheit_id muss eine gueltige Zahl sein';
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return false;
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}
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$qry = "SELECT * FROM campus.tbl_legesamtnote WHERE lehreinheit_id='".$lehreinheit_id."' order by student_uid";
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if($result=pg_query($this->conn, $qry))
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{
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while($row = pg_fetch_object($result))
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{
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$legesamtnote_obj = new uebung($this->conn);
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$legesamtnote_obj->student_uid = $row->student_uid;
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$legesamtnote_obj->note = $row->note;
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$legesamtnote_obj->lehreinheit_id = $row->lehreinheit_id;
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$legesamtnote_obj->benotungsdatum = $row->benotungsdatum;
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$legesamtnote_obj->updateamum = $row->updateamum;
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$legesamtnote_obj->updatevon = $row->updatevon;
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$legesamtnote_obj->insertamum = $row->insertamum;
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$legesamtnote_obj->insertvon = $row->insertvon;
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$this->legesamtnoten[] = $legesamtnote_obj;
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}
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim laden der legesamtnoten';
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return false;
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}
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}
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// *******************************************
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// * Prueft die Variablen vor dem Speichern
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// * auf Gueltigkeit.
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// * @return true wenn ok, false im Fehlerfall
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// *******************************************
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function validate()
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{
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if(!is_numeric($this->lehreinheit_id))
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{
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$this->errormsg = 'Lehreinheit_id muss eine gueltige Zahl sein';
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return false;
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}
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if(!is_numeric($this->note))
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{
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$this->errormsg = 'Note muss eine gueltige Zahl sein';
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return false;
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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 $var !='' ist werden Datenbankkritische
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// * Zeichen mit Backslash versehen und das Ergbnis
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// * unter Hochkomma gesetzt.
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// ************************************************
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function addslashes($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 Uebung in die Datenbank
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// * Wenn $new auf true gesetzt ist wird ein neuer Datensatz
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// * angelegt, ansonsten der Datensatz upgedated
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// * @return true wenn erfolgreich, false im Fehlerfall
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// ************************************************************
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function save()
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{
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//if(is_null($new))
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// $new = $this->new;
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//Variablen auf Gueltigkeit pruefen
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if(!$this->validate())
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return false;
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if($this->new)
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{
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$qry = 'INSERT INTO campus.tbl_legesamtnote(student_uid, lehreinheit_id, note, benotungsdatum, updateamum, updatevon, insertamum, insertvon) VALUES('.
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$this->addslashes($this->student_uid).','.
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$this->addslashes($this->lehreinheit_id).','.
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$this->addslashes($this->note).','.
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$this->addslashes($this->benotungsdatum).','.
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'null,'.
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'null,'.
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$this->addslashes($this->insertamum).','.
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$this->addslashes($this->insertvon).');';
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}
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else
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{
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$qry = 'UPDATE campus.tbl_legesamtnote SET'.
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' student_uid='.$this->addslashes($this->student_uid).','.
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' lehreinheit_id ='.$this->addslashes($this->lehreinheit_id).','.
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' note='.$this->addslashes($this->note).','.
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' benotungsdatum='.$this->addslashes($this->benotungsdatum).','.
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' updateamum='.$this->addslashes($this->updateamum).','.
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' updatevon='.$this->addslashes($this->updatevon).
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" WHERE lehreinheit_id=".$this->addslashes($this->lehreinheit_id)." and student_uid = '".$this->student_uid."';";
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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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$this->errormsg = 'Fehler beim Speichern der legesamtnote:'.$qry;
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return false;
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}
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}
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}
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