From f8bf45a5ec90c50a1c1b48c7cb6433f77947c3ae Mon Sep 17 00:00:00 2001
From: Nikolai Kochetov <nik-kochetov@yandex-team.ru>
Date: Thu, 17 Aug 2017 22:57:38 +0300
Subject: [PATCH] added test [#CLICKHOUSE-3237]

---
 .../0_stateless/00495_reading_const_zero_column.reference    | 0
 .../queries/0_stateless/00495_reading_const_zero_column.sql  | 5 +++++
 2 files changed, 5 insertions(+)
 create mode 100644 dbms/tests/queries/0_stateless/00495_reading_const_zero_column.reference
 create mode 100644 dbms/tests/queries/0_stateless/00495_reading_const_zero_column.sql

diff --git a/dbms/tests/queries/0_stateless/00495_reading_const_zero_column.reference b/dbms/tests/queries/0_stateless/00495_reading_const_zero_column.reference
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/dbms/tests/queries/0_stateless/00495_reading_const_zero_column.sql b/dbms/tests/queries/0_stateless/00495_reading_const_zero_column.sql
new file mode 100644
index 00000000000..ad94b9c06b3
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00495_reading_const_zero_column.sql
@@ -0,0 +1,5 @@
+drop table if exists one_table;
+create table one_table (date Date, one UInt64) engine = MergeTree(date, (date, one), 8192);
+insert into one_table select today(), toUInt64(1) from system.numbers limit 100000;
+SET preferred_block_size_bytes = 8192;
+select isNull(one) from one_table where isNull(one);