[hotfix] handle missing or empty column type

apache · Mar 15, 2017 · 4ded37e · 4ded37e
1 parent 0674ed8
commit 4ded37e
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/superset/connectors/base.py b/superset/connectors/base.py
@@ -117,15 +117,24 @@ def __repr__(self):
 
     @property
     def is_num(self):
-        return any([t in self.type.upper() for t in self.num_types])
+        return (
+            self.type and
+            any([t in self.type.upper() for t in self.num_types])
+        )
 
     @property
     def is_time(self):
-        return any([t in self.type.upper() for t in self.date_types])
+        return (
+            self.type and
+            any([t in self.type.upper() for t in self.date_types])
+        )
 
     @property
     def is_string(self):
-        return any([t in self.type.upper() for t in self.str_types])
+        return (
+            self.type and
+            any([t in self.type.upper() for t in self.str_types])
+        )
 
 
 class BaseMetric(AuditMixinNullable, ImportMixin):