From 918399d4e294e86e7b7efd85e8d7c1bcddcfe2eb Mon Sep 17 00:00:00 2001 From: Maxime Beauchemin Date: Tue, 8 May 2018 22:04:05 -0700 Subject: [PATCH] [bugfix] handling UTF8 in Druid dimensions (#4943) --- superset/connectors/druid/models.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/superset/connectors/druid/models.py b/superset/connectors/druid/models.py index 374d23934..079648fe7 100644 --- a/superset/connectors/druid/models.py +++ b/superset/connectors/druid/models.py @@ -1318,7 +1318,7 @@ class DruidDatasource(Model, BaseDatasource): str instead of an object. """ for col in groupby_cols: - df[col] = df[col].fillna('').astype(str) + df[col] = df[col].fillna('').astype('unicode') return df def query(self, query_obj):