From 69e8133fdce30d8d5490eca64ba322a2b033f5d6 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Thu, 1 Mar 2018 09:21:15 +0300
Subject: [PATCH] Added a test by Stas Sviridov #320

---
 .../00584_view_union_all.reference            |  2 ++
 .../0_stateless/00584_view_union_all.sql      | 29 +++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 dbms/tests/queries/0_stateless/00584_view_union_all.reference
 create mode 100644 dbms/tests/queries/0_stateless/00584_view_union_all.sql

diff --git a/dbms/tests/queries/0_stateless/00584_view_union_all.reference b/dbms/tests/queries/0_stateless/00584_view_union_all.reference
new file mode 100644
index 00000000000..fbffd3a0d8e
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00584_view_union_all.reference
@@ -0,0 +1,2 @@
+hello	A	0
+hello	ALL	0
diff --git a/dbms/tests/queries/0_stateless/00584_view_union_all.sql b/dbms/tests/queries/0_stateless/00584_view_union_all.sql
new file mode 100644
index 00000000000..3460352e809
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00584_view_union_all.sql
@@ -0,0 +1,29 @@
+DROP TABLE IF EXISTS test.Test;
+
+CREATE TABLE test.Test (
+    createdDate Date,
+    str String,
+    key Enum8('A' = 0, 'B' = 1, 'ALL' = 2),
+    a Int64
+)
+ENGINE = MergeTree(createdDate, str, 8192);
+
+INSERT INTO test.Test VALUES ('2000-01-01', 'hello', 'A', 123);
+
+SET max_threads = 1;
+
+CREATE VIEW test.TestView AS
+    SELECT str, key, sumIf(a, 0) AS sum
+    FROM test.Test
+    GROUP BY str, key
+
+    UNION ALL
+
+    SELECT str AS str, CAST('ALL' AS Enum8('A' = 0, 'B' = 1, 'ALL' = 2)) AS key, sumIf(a, 0) AS sum
+    FROM test.Test
+    GROUP BY str;
+
+SELECT * FROM test.TestView;
+
+DROP TABLE test.TestView;
+DROP TABLE test.Test;