From e0ab461636ea85046f93c6ce1be8113c9e3e0a1e Mon Sep 17 00:00:00 2001
From: Denis Zhuravlev <denis.zhuravlov@gmail.com>
Date: Sat, 27 Mar 2021 19:43:26 -0300
Subject: [PATCH] test for #10489

---
 ...st_LowCardinality_FixedString_pk.reference |  3 +++
 ...778_test_LowCardinality_FixedString_pk.sql | 21 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 tests/queries/0_stateless/01778_test_LowCardinality_FixedString_pk.reference
 create mode 100644 tests/queries/0_stateless/01778_test_LowCardinality_FixedString_pk.sql

diff --git a/tests/queries/0_stateless/01778_test_LowCardinality_FixedString_pk.reference b/tests/queries/0_stateless/01778_test_LowCardinality_FixedString_pk.reference
new file mode 100644
index 00000000000..a134ce52c11
--- /dev/null
+++ b/tests/queries/0_stateless/01778_test_LowCardinality_FixedString_pk.reference
@@ -0,0 +1,3 @@
+100
+100
+100
diff --git a/tests/queries/0_stateless/01778_test_LowCardinality_FixedString_pk.sql b/tests/queries/0_stateless/01778_test_LowCardinality_FixedString_pk.sql
new file mode 100644
index 00000000000..1a0a1d35f76
--- /dev/null
+++ b/tests/queries/0_stateless/01778_test_LowCardinality_FixedString_pk.sql
@@ -0,0 +1,21 @@
+DROP TABLE IF EXISTS test_01778;
+
+CREATE TABLE test_01778
+(
+    `key` LowCardinality(FixedString(3)),
+    `d` date
+)
+ENGINE = MergeTree(d, key, 8192);
+
+
+INSERT INTO test_01778 SELECT toString(intDiv(number,8000)), today() FROM numbers(100000);
+INSERT INTO test_01778 SELECT toString('xxx'), today() FROM numbers(100);
+
+SELECT count() FROM test_01778 WHERE key = 'xxx';
+
+SELECT count() FROM test_01778 WHERE key = toFixedString('xxx', 3);
+
+SELECT count() FROM test_01778 WHERE toString(key) = 'xxx';
+
+DROP TABLE test_01778;
+