From 887779e8d8bfcf528a5c492cf13fadea6ebe0306 Mon Sep 17 00:00:00 2001
From: Wangyang Guo <wangyang.guo@intel.com>
Date: Tue, 8 Nov 2022 17:19:18 +0800
Subject: [PATCH] Add perftest: low_cardinality_query

---
 tests/performance/low_cardinality_query.xml | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 tests/performance/low_cardinality_query.xml

diff --git a/tests/performance/low_cardinality_query.xml b/tests/performance/low_cardinality_query.xml
new file mode 100644
index 00000000000..989c674b443
--- /dev/null
+++ b/tests/performance/low_cardinality_query.xml
@@ -0,0 +1,13 @@
+<test>
+    <create_query>DROP TABLE IF EXISTS test_lc_query</create_query>
+    <create_query>
+        CREATE TABLE test_lc_query (x UInt64, lc LowCardinality(Nullable(String))) ENGINE = MergeTree order by x
+    </create_query>
+
+    <fill_query>INSERT INTO test_lc_query SELECT number, toString(number % 100) FROM numbers(1e7)</fill_query>
+
+    <query>SELECT count() FROM test_lc_query WHERE lc = '12' OR lc = '34'</query>
+    <query>SELECT count() FROM test_lc_query WHERE lc = '12' OR lc = '34' OR lc = '56'</query>
+
+    <drop_query>DROP TABLE IF EXISTS test_lc_query</drop_query>
+</test>