From 95d5c890fd3bdfcf1889872fb4ca04e1553ea56e Mon Sep 17 00:00:00 2001
From: oesi <oesi@technikum-wien.at>
Date: Thu, 9 Feb 2017 14:47:56 +0100
Subject: [PATCH] =?UTF-8?q?SQL=20Error=20behoben=20wenn=20Personen=20Reser?=
 =?UTF-8?q?vierungsrechte=20f=C3=BCr=20Institute=20anstatt=20Studieng?=
 =?UTF-8?q?=C3=A4nge=20haben?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 include/wochenplan.class.php | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/include/wochenplan.class.php b/include/wochenplan.class.php
index 3f37b0695..ea215764a 100644
--- a/include/wochenplan.class.php
+++ b/include/wochenplan.class.php
@@ -1067,18 +1067,21 @@ class wochenplan extends basis_db
 
 				//Spezialgruppen aus den Studiengaengen mit erweiterten Reservierungsberechtigung holen
 				$stgs = $rechte->getStgKz('lehre/reservierung');
-				$in='';
-				foreach($stgs as $stg)
+				if(count($stgs)>0)
 				{
-					$in .= $this->db_add_param($stg).",";
-				}
-				$in = substr($in, 0, -1);
-				$qry = "SELECT * FROM public.tbl_gruppe WHERE studiengang_kz in($in) AND lehre=true AND sichtbar=true ORDER BY gruppe_kurzbz";
-				if($result = $this->db_query($qry))
-				{
-					while($row = $this->db_fetch_object($result))
+					$in='';
+					foreach($stgs as $stg)
 					{
-						echo '<OPTION value="'.$row->gruppe_kurzbz.'">'.$row->gruppe_kurzbz.'</OPTION>'.$this->crlf;
+						$in .= $this->db_add_param($stg).",";
+					}
+					$in = substr($in, 0, -1);
+					$qry = "SELECT * FROM public.tbl_gruppe WHERE studiengang_kz in($in) AND lehre=true AND sichtbar=true ORDER BY gruppe_kurzbz";
+					if($result = $this->db_query($qry))
+					{
+						while($row = $this->db_fetch_object($result))
+						{
+							echo '<OPTION value="'.$row->gruppe_kurzbz.'">'.$row->gruppe_kurzbz.'</OPTION>'.$this->crlf;
+						}
 					}
 				}
 				echo '</SELECT></td>'.$this->crlf;