From 6e1bd79d51958603be38907c622493bcad9b0c8e Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Mon, 21 Sep 2020 00:25:47 +0300
Subject: [PATCH] Add a test for #4476

---
 .../0_stateless/01504_view_type_conversion.reference  |  2 ++
 .../0_stateless/01504_view_type_conversion.sql        | 11 +++++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 tests/queries/0_stateless/01504_view_type_conversion.reference
 create mode 100644 tests/queries/0_stateless/01504_view_type_conversion.sql

diff --git a/tests/queries/0_stateless/01504_view_type_conversion.reference b/tests/queries/0_stateless/01504_view_type_conversion.reference
new file mode 100644
index 00000000000..e32c81f4c4a
--- /dev/null
+++ b/tests/queries/0_stateless/01504_view_type_conversion.reference
@@ -0,0 +1,2 @@
+[0,1,2,3,4,5,6,7,8,9]
+['0','1','2','3','4','5','6','7','8','9']
diff --git a/tests/queries/0_stateless/01504_view_type_conversion.sql b/tests/queries/0_stateless/01504_view_type_conversion.sql
new file mode 100644
index 00000000000..0133ecaf409
--- /dev/null
+++ b/tests/queries/0_stateless/01504_view_type_conversion.sql
@@ -0,0 +1,11 @@
+DROP TABLE IF EXISTS testv;
+
+create view testv(a UInt32) as select number a from numbers(10);
+select groupArray(a) from testv;
+
+DROP TABLE testv;
+
+create view testv(a String) as select number a from numbers(10);
+select groupArray(a) from testv;
+
+DROP TABLE testv;