From 848e4a0541630aef09cd7fb4926c89b7bdd0c060 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Mon, 20 Apr 2020 11:15:43 +0300
Subject: [PATCH] Added a test for #2219

---
 ..._aggregate_function_JustStranger.reference |  1 +
 ...ery_in_aggregate_function_JustStranger.sql | 32 +++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 tests/queries/0_stateless/01253_subquery_in_aggregate_function_JustStranger.reference
 create mode 100644 tests/queries/0_stateless/01253_subquery_in_aggregate_function_JustStranger.sql

diff --git a/tests/queries/0_stateless/01253_subquery_in_aggregate_function_JustStranger.reference b/tests/queries/0_stateless/01253_subquery_in_aggregate_function_JustStranger.reference
new file mode 100644
index 00000000000..72c3262a309
--- /dev/null
+++ b/tests/queries/0_stateless/01253_subquery_in_aggregate_function_JustStranger.reference
@@ -0,0 +1 @@
+Hello	1
diff --git a/tests/queries/0_stateless/01253_subquery_in_aggregate_function_JustStranger.sql b/tests/queries/0_stateless/01253_subquery_in_aggregate_function_JustStranger.sql
new file mode 100644
index 00000000000..9659db7973d
--- /dev/null
+++ b/tests/queries/0_stateless/01253_subquery_in_aggregate_function_JustStranger.sql
@@ -0,0 +1,32 @@
+DROP TABLE IF EXISTS test_table;
+DROP TABLE IF EXISTS test_table_sharded;
+
+create table
+  test_table_sharded(
+    date Date,
+    text String,
+    hash UInt64
+  )
+engine=MergeTree(date, (hash, date), 8192);
+
+create table test_table as test_table_sharded
+engine=Distributed(test_cluster_two_shards, currentDatabase(), test_table_sharded, hash);
+
+SET distributed_product_mode = 'local';
+SET insert_distributed_sync = 1;
+
+INSERT INTO test_table VALUES ('2020-04-20', 'Hello', 123);
+
+SELECT
+  text,
+  uniqExactIf(hash, hash IN (
+    SELECT DISTINCT
+      hash
+    FROM test_table AS t1
+  )) as counter
+FROM test_table AS t2
+GROUP BY text
+ORDER BY counter, text;
+
+DROP TABLE test_table;
+DROP TABLE test_table_sharded;