From 8085ce442c5412e1e712e47a163b1ab9a381607a Mon Sep 17 00:00:00 2001
From: Nikolai Kochetov <nik-kochetov@yandex-team.ru>
Date: Tue, 27 Nov 2018 21:09:37 +0300
Subject: [PATCH] Added test for LowCardinality order by.

---
 .../00752_low_cardinality_permute.reference   | 24 +++++++++++++++++++
 .../00752_low_cardinality_permute.sql         |  8 +++++++
 2 files changed, 32 insertions(+)
 create mode 100644 dbms/tests/queries/0_stateless/00752_low_cardinality_permute.reference
 create mode 100644 dbms/tests/queries/0_stateless/00752_low_cardinality_permute.sql

diff --git a/dbms/tests/queries/0_stateless/00752_low_cardinality_permute.reference b/dbms/tests/queries/0_stateless/00752_low_cardinality_permute.reference
new file mode 100644
index 00000000000..cd274f6acb0
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00752_low_cardinality_permute.reference
@@ -0,0 +1,24 @@
+0	z
+1	w
+3	y
+4	w
+6	y
+8	z
+10	x
+11	x
+12	a
+13	b
+14	c
+15	d
+16	e
+17	f
+18	g
+19	h
+w
+w
+x
+x
+y
+y
+z
+z
diff --git a/dbms/tests/queries/0_stateless/00752_low_cardinality_permute.sql b/dbms/tests/queries/0_stateless/00752_low_cardinality_permute.sql
new file mode 100644
index 00000000000..56616e5bdc9
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00752_low_cardinality_permute.sql
@@ -0,0 +1,8 @@
+set allow_experimental_low_cardinality_type = 1;
+drop table if exists test.lc_perm;
+create table test.lc_perm (val UInt32, str LowCardinality(String)) engine = MergeTree order by val;
+insert into test.lc_perm values (1, 'w'), (10, 'x'), (3, 'y'), (8, 'z'), (4, 'w'), (6, 'y'), (11, 'x'), (0, 'z'), (12, 'a'), (13, 'b'), (14, 'c'), (15, 'd'), (16, 'e'), (17, 'f'), (18, 'g'), (19, 'h');
+select * from test.lc_perm;
+select str from test.lc_perm where val < 12 order by str;
+drop table if exists test.lc_perm;
+