From 2f06a7b4c15ec2549d18f63c2fe1f8d1b65b7ce4 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Mon, 27 Apr 2020 00:26:03 +0300
Subject: [PATCH] Added a test from @baloo-bear #5873

---
 .../01264_nested_baloo_bear.reference         |  1 +
 .../0_stateless/01264_nested_baloo_bear.sql   | 39 +++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 tests/queries/0_stateless/01264_nested_baloo_bear.reference
 create mode 100644 tests/queries/0_stateless/01264_nested_baloo_bear.sql

diff --git a/tests/queries/0_stateless/01264_nested_baloo_bear.reference b/tests/queries/0_stateless/01264_nested_baloo_bear.reference
new file mode 100644
index 00000000000..dcd755331c4
--- /dev/null
+++ b/tests/queries/0_stateless/01264_nested_baloo_bear.reference
@@ -0,0 +1 @@
+['Hello','ProcessName']	['World','node']
diff --git a/tests/queries/0_stateless/01264_nested_baloo_bear.sql b/tests/queries/0_stateless/01264_nested_baloo_bear.sql
new file mode 100644
index 00000000000..ae9b02866c0
--- /dev/null
+++ b/tests/queries/0_stateless/01264_nested_baloo_bear.sql
@@ -0,0 +1,39 @@
+DROP TABLE IF EXISTS LOG_T;
+
+CREATE TABLE LOG_T
+(
+    `fingerprint` UInt64, 
+    `fields` Nested(
+    name LowCardinality(String), 
+    value String)
+)
+ENGINE = MergeTree
+ORDER BY fingerprint;
+
+SELECT
+    fields.name,
+    fields.value
+FROM
+(
+    SELECT
+        fields.name,
+        fields.value
+    FROM LOG_T
+)
+WHERE has(['node'], fields.value[indexOf(fields.name, 'ProcessName')]);
+
+INSERT INTO LOG_T VALUES (123, ['Hello', 'ProcessName'], ['World', 'node']);
+
+SELECT
+    fields.name,
+    fields.value
+FROM
+(
+    SELECT
+        fields.name,
+        fields.value
+    FROM LOG_T
+)
+WHERE has(['node'], fields.value[indexOf(fields.name, 'ProcessName')]);
+
+DROP TABLE LOG_T;