Disable polymorphism in DruidMetric as well

kim-pham-airbnb · kim-pham-airbnb · commit 2378fdf9ce83 · 2016-03-25T16:45:35.000-07:00
diff --git a/dashed/models.py b/dashed/models.py
@@ -1096,7 +1096,9 @@ class DruidMetric(Model):
     datasource_name = Column(
         String(250),
         ForeignKey('datasources.datasource_name'))
-    datasource = relationship('DruidDatasource', backref='metrics')
+    # Setting enable_typechecks=False disables polymorphic inheritance.
+    datasource = relationship('DruidDatasource', backref='metrics',
+                              enable_typechecks=False)
     json = Column(Text)
     description = Column(Text)
 
