From 6c6ea3730b91578184b57f41618979ab13d429c7 Mon Sep 17 00:00:00 2001
From: Maxime Beauchemin <maximebeauchemin@gmail.com>
Date: Tue, 28 Aug 2018 15:26:41 -0700
Subject: [PATCH] [bugfix] IS NOT NULL filter triggers KeyError: 'val' (#5764)

---
 superset/utils.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/superset/utils.py b/superset/utils.py
index 483058e78f..79b1ee4fa0 100644
--- a/superset/utils.py
+++ b/superset/utils.py
@@ -724,13 +724,13 @@ def to_adhoc(filt, expressionType='SIMPLE', clause='where'):
 
     if expressionType == 'SIMPLE':
         result.update({
-            'comparator': filt['val'],
-            'operator': filt['op'],
-            'subject': filt['col'],
+            'comparator': filt.get('val'),
+            'operator': filt.get('op'),
+            'subject': filt.get('col'),
         })
     elif expressionType == 'SQL':
         result.update({
-            'sqlExpression': filt[clause],
+            'sqlExpression': filt.get(clause),
         })
 
     return result