From e8fb2940660773e25346db204f8d5c4a40471131 Mon Sep 17 00:00:00 2001
From: Minh Mai <minh.v.mai@gmail.com>
Date: Wed, 4 Jul 2018 17:30:37 -0400
Subject: [PATCH] normalize column names for Redshift (#5337)

---
 superset/db_engine_specs.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/superset/db_engine_specs.py b/superset/db_engine_specs.py
index 4181c49d67f5b..92cbcb21077bf 100644
--- a/superset/db_engine_specs.py
+++ b/superset/db_engine_specs.py
@@ -424,6 +424,10 @@ class VerticaEngineSpec(PostgresBaseEngineSpec):
 class RedshiftEngineSpec(PostgresBaseEngineSpec):
     engine = 'redshift'
 
+    @staticmethod
+    def normalize_column_name(column_name):
+        return column_name.lower()
+
 
 class OracleEngineSpec(PostgresBaseEngineSpec):
     engine = 'oracle'