--- ZSQLExtend/ZSQLExtend.py	2007/08/09 15:09:27	1.119
+++ ZSQLExtend/ZSQLExtend.py	2007/11/13 20:01:23	1.122
@@ -474,6 +474,25 @@ class ZSQLExtendFolder(Folder,Persistent
         """
         return urllib.quote(txt)
     
+    
+    def createIdSet(self, resultset, idField=None):
+        """returns a (frozen)set of IDs from a SQL-resultset (using idField) or a list (if idField=None)"""
+        if idField is None:
+            return frozenset(resultset)
+        else:
+            idlist = [r[idField] for r in resultset]
+            return frozenset(idlist)
+        
+    def opIdSet(self, a, b, op):
+        """operate on sets a and b"""
+        if (op == 'intersect'):
+            return a.intersection(b)
+        elif (op == 'union'):
+            return a.union(b)
+        elif (op == 'diff'):
+            return a.difference(b)
+    
+    
     def searchRel(self,relStatement,statement,wherePart,classes):
         """suche relative haufigkeiten (experimental)"""
         ret={}
@@ -1259,7 +1278,7 @@ class ZSQLExtendFolder(Folder,Persistent
             arg=query.split("=")[0]
             if arg[0]=="_": arg="-"+arg[1:] # sicherstellen, dass an Anfang stets "_"
             try:
-                queryList[arg]=query.split("=")[1]
+                queryList[arg]=urllib.unquote_plus(query.split("=")[1])
             except:
                 queryList[arg]=''   
                 
@@ -1603,7 +1622,7 @@ class ZSQLExtendFolder(Folder,Persistent
             
             
             self.REQUEST.SESSION[storename]['rangeEnd']=self.REQUEST.SESSION[storename]['count']
-            
+
             if (limit=="all") or (limit==int(limit)):
                 self.REQUEST.SESSION[storename]['rangeEnd']=self.REQUEST.SESSION[storename]['count']
             else: