From 74b5e19fa5ffbb2104fa02813f9adc2ed6c3414c Mon Sep 17 00:00:00 2001
From: Nikolai Kochetov <nik-kochetov@yandex-team.ru>
Date: Thu, 30 Apr 2020 18:39:09 +0300
Subject: [PATCH] Added test.

---
 .../0_stateless/01268_mv_scalars.reference    | 21 +++++++++++++++
 .../queries/0_stateless/01268_mv_scalars.sql  | 26 +++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 tests/queries/0_stateless/01268_mv_scalars.reference
 create mode 100644 tests/queries/0_stateless/01268_mv_scalars.sql

diff --git a/tests/queries/0_stateless/01268_mv_scalars.reference b/tests/queries/0_stateless/01268_mv_scalars.reference
new file mode 100644
index 00000000000..0fcc52d0024
--- /dev/null
+++ b/tests/queries/0_stateless/01268_mv_scalars.reference
@@ -0,0 +1,21 @@
+0	2
+1	2
+0	2
+1	2
+0	2
+1	2
+the rows get inserted
+2020-01-01	0	0
+2020-01-01	0	2
+2020-01-01	0	4
+no new rows
+2020-01-01	0	0
+2020-01-01	0	2
+2020-01-01	0	4
+the rows get inserted
+2020-01-01	0	0
+2020-01-01	0	2
+2020-01-01	0	4
+2020-01-06	5	0
+2020-01-06	5	2
+2020-01-06	5	4
diff --git a/tests/queries/0_stateless/01268_mv_scalars.sql b/tests/queries/0_stateless/01268_mv_scalars.sql
new file mode 100644
index 00000000000..a94a1cf1920
--- /dev/null
+++ b/tests/queries/0_stateless/01268_mv_scalars.sql
@@ -0,0 +1,26 @@
+create table src_table Engine=Memory as system.numbers;
+CREATE MATERIALIZED VIEW dst_mv Engine=Memory as select *, (SELECT count() FROM src_table) AS cnt FROM src_table;
+insert into src_table select * from numbers(2);
+insert into src_table select * from numbers(2);
+insert into src_table select * from numbers(2);
+select * from dst_mv;
+
+CREATE TABLE dest_table (`Date` Date, `Id` UInt64, `Units` Float32) ENGINE = Memory;
+create table left_table as dest_table;
+create table right_table as dest_table;
+insert into right_table select toDate('2020-01-01') + number, number, number / 2 from numbers(10);
+
+CREATE MATERIALIZED VIEW dest_table_mv TO dest_table as select * FROM (SELECT * FROM left_table) AS t1 INNER JOIN (WITH (SELECT DISTINCT Date FROM left_table LIMIT 1) AS dt SELECT * FROM right_table WHERE Date = dt) AS t2 USING (Date, Id);
+
+insert into left_table select toDate('2020-01-01'), 0, number * 2 from numbers(3);
+select 'the rows get inserted';
+select * from dest_table;
+
+insert into left_table select toDate('2020-01-01'), 5, number * 2 from numbers(3);
+select 'no new rows';
+select * from dest_table;
+
+truncate table left_table;
+insert into left_table select toDate('2020-01-01') + 5, 5, number * 2 from numbers(3);
+select 'the rows get inserted';
+select * from dest_table;