--- MPIWGWeb/MPIWGStaff.py	2005/11/25 12:14:46	1.10.2.20
+++ MPIWGWeb/MPIWGStaff.py	2006/01/16 13:46:21	1.10.2.23
@@ -9,6 +9,7 @@ from Products.PageTemplates.PageTemplate
 from Products.PageTemplates.PageTemplate import PageTemplate
 from Products.ZCatalog.CatalogPathAwareness import CatalogAware
 import os
+import zLOG
 import bibliography
 from Globals import package_home
 from Products.PythonScripts.standard import sql_quote
@@ -95,10 +96,18 @@ class MPIWGStaff(CatalogAware,ZSQLExtend
          
         self.ZSQLQuery("SET DATESTYLE TO 'German'")
 
-        self.ZSQLChange(_table="personal_www",_identify="id=%s"%DBid,publish_the_data=publish_the_data,
+        test=self.ZSQLQuery("select id from personal_www where id='%s' "%DBid)
+
+        
+        if test and (len(test)>0): #dataset exists
+	    zLOG.LOG("MPIWG Web",zLOG.INFO,'UPDATE: _table="personal_www",_identify="id=%s"'%DBid+',publish_the_data=%s'%publish_the_data+',date_from=%s'%date_from+',date_to=%s'%date_to+',stay_at_mpiwg=%s'%stay_at_mpiwg+',position=%s'%position)
+ 
+	    self.ZSQLChange(_table="personal_www",_identify="id=%s"%DBid,publish_the_data=publish_the_data,
                                    date_from=date_from,
                                    date_to=date_to,stay_at_mpiwg=stay_at_mpiwg,position=position)
-                  
+	    return True
+        else:
+	    return False
           
     def getPublicationSelectionMode(self):
         """get publication selection mode, default 'priority'"""