wcs-olap: fix dimension definition for item fields

wcs_olap/feeder.py

@@ -573,15 +573,17 @@ class WcsFormdefFeeder(object):
             })
 
         # add dimensions for item fields
-        for field in self.fields:
-            if field.type != 'item':
+        for field in self.formdef.schema.fields:
+            if not field.items and not field.options:
+                continue
+            if not field.varname:
                 continue
             table_name = self.hash_table_name('{formdata_table}_field_%s' % field.varname)
             cube['joins'].append({
                 'name': field.varname,
-                'table': 'table_name',
+                'table': table_name,
                 'master': 'field_%s' % field.varname,
-                'detail': 'id' % table_name,
+                'detail': 'id',
             })
             cube['dimensions'].append({
                 'name': field.varname,