closes #292 (#304)

2016-04-08 22:32:12 -07:00 · 2016-04-08 22:32:12 -07:00 · a3dcb0f309
parent 25831f0033
commit a3dcb0f309
1 changed files with 3 additions and 1 deletions
--- a/caravel/forms.py
+++ b/caravel/forms.py
@ -113,7 +113,9 @@ class FormFactory(object):
        viz = self.viz
        datasource = viz.datasource
        default_metric = datasource.metrics_combo[0][0]
-        default_groupby = datasource.groupby_column_names[0]
+
+        gb_cols = datasource.groupby_column_names
+        default_groupby = gb_cols[0] if gb_cols else None
        group_by_choices = [(s, s) for s in datasource.groupby_column_names]
        # Pool of all the fields that can be used in Caravel
        self.field_dict = {