From cd547275578b3cba634efeaefb8f6ee3acbf5072 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Fri, 28 Nov 2014 05:29:35 +0300
Subject: [PATCH] dbms: added few tests [#METR-13933].

---
 .../0_stateless/00087_distinct_of_empty_arrays.reference       | 1 +
 .../queries/0_stateless/00087_distinct_of_empty_arrays.sql     | 1 +
 .../0_stateless/00088_distinct_of_arrays_of_strings.reference  | 3 +++
 .../0_stateless/00088_distinct_of_arrays_of_strings.sql        | 1 +
 4 files changed, 6 insertions(+)
 create mode 100644 dbms/tests/queries/0_stateless/00087_distinct_of_empty_arrays.reference
 create mode 100644 dbms/tests/queries/0_stateless/00087_distinct_of_empty_arrays.sql
 create mode 100644 dbms/tests/queries/0_stateless/00088_distinct_of_arrays_of_strings.reference
 create mode 100644 dbms/tests/queries/0_stateless/00088_distinct_of_arrays_of_strings.sql

diff --git a/dbms/tests/queries/0_stateless/00087_distinct_of_empty_arrays.reference b/dbms/tests/queries/0_stateless/00087_distinct_of_empty_arrays.reference
new file mode 100644
index 00000000000..fe51488c706
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00087_distinct_of_empty_arrays.reference
@@ -0,0 +1 @@
+[]
diff --git a/dbms/tests/queries/0_stateless/00087_distinct_of_empty_arrays.sql b/dbms/tests/queries/0_stateless/00087_distinct_of_empty_arrays.sql
new file mode 100644
index 00000000000..2b0851b7d90
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00087_distinct_of_empty_arrays.sql
@@ -0,0 +1 @@
+SELECT DISTINCT emptyArrayString() AS k FROM (SELECT * FROM system.numbers LIMIT 100000);
diff --git a/dbms/tests/queries/0_stateless/00088_distinct_of_arrays_of_strings.reference b/dbms/tests/queries/0_stateless/00088_distinct_of_arrays_of_strings.reference
new file mode 100644
index 00000000000..cdcf33bdad2
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00088_distinct_of_arrays_of_strings.reference
@@ -0,0 +1,3 @@
+[]
+['is_registred']
+['registration_month','user_login','is_registred']
diff --git a/dbms/tests/queries/0_stateless/00088_distinct_of_arrays_of_strings.sql b/dbms/tests/queries/0_stateless/00088_distinct_of_arrays_of_strings.sql
new file mode 100644
index 00000000000..296c7de2959
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00088_distinct_of_arrays_of_strings.sql
@@ -0,0 +1 @@
+SELECT DISTINCT arrayFilter(x -> notEmpty(x), arrayJoin([[''], ['is_registred'], ['registration_month','user_login','is_registred'], ['is_registred'], ['is_registred'], ['']]));