From 26257d94f5f43a5d3b745c1b08a29cc40980f211 Mon Sep 17 00:00:00 2001
From: John Bodley <john.bodley@airbnb.com>
Date: Wed, 7 Mar 2018 23:29:23 -0800
Subject: [PATCH] [cache] Ensuring that the datasource UID is defined

---
 superset/viz.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/superset/viz.py b/superset/viz.py
index 9225e5da8f..36696bd317 100644
--- a/superset/viz.py
+++ b/superset/viz.py
@@ -276,9 +276,10 @@ class BaseViz(object):
         for k in ['from_dttm', 'to_dttm']:
             del cache_dict[k]
 
-        for k in ['since', 'until', 'datasource']:
+        for k in ['since', 'until']:
             cache_dict[k] = self.form_data.get(k)
 
+        cache_dict['datasource'] = self.datasource.uid
         json_data = self.json_dumps(cache_dict, sort_keys=True)
         return hashlib.md5(json_data.encode('utf-8')).hexdigest()