From cec2399015274a9f67f7b59dad5fdb7a7aee0581 Mon Sep 17 00:00:00 2001
From: alesapin <alesapin@gmail.com>
Date: Fri, 25 Jun 2021 18:30:49 +0300
Subject: [PATCH] Add working test

---
 ..._different_expression_name_alias.reference |  2 ++
 .../01923_different_expression_name_alias.sql | 36 +++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 tests/queries/0_stateless/01923_different_expression_name_alias.reference
 create mode 100644 tests/queries/0_stateless/01923_different_expression_name_alias.sql

diff --git a/tests/queries/0_stateless/01923_different_expression_name_alias.reference b/tests/queries/0_stateless/01923_different_expression_name_alias.reference
new file mode 100644
index 00000000000..b261da18d51
--- /dev/null
+++ b/tests/queries/0_stateless/01923_different_expression_name_alias.reference
@@ -0,0 +1,2 @@
+1
+0
diff --git a/tests/queries/0_stateless/01923_different_expression_name_alias.sql b/tests/queries/0_stateless/01923_different_expression_name_alias.sql
new file mode 100644
index 00000000000..09108cef483
--- /dev/null
+++ b/tests/queries/0_stateless/01923_different_expression_name_alias.sql
@@ -0,0 +1,36 @@
+DROP TABLE IF EXISTS distributed_tbl;
+DROP TABLE IF EXISTS merge_tree_table;
+
+CREATE TABLE merge_tree_table
+(
+    Date Date,
+    SomeType UInt8,
+    Alternative1 UInt64,
+    Alternative2 UInt64,
+    User UInt32,
+    CharID UInt64 ALIAS multiIf(SomeType IN (3, 4, 11), 0, SomeType IN (7, 8), Alternative1, Alternative2)
+)
+ENGINE = MergeTree()
+ORDER BY tuple();
+
+INSERT INTO merge_tree_table VALUES(toDate('2016-03-01'), 4, 0, 0, 1486392);
+
+SELECT count() FROM merge_tree_table;
+
+CREATE TABLE distributed_tbl
+(
+    Date Date,
+    SomeType UInt8,
+    Alternative1 UInt64,
+    Alternative2 UInt64,
+    CharID UInt64,
+    User UInt32
+)
+ENGINE = Distributed(test_shard_localhost, currentDatabase(), merge_tree_table);
+
+SELECT identity(CharID) AS x
+FROM distributed_tbl
+WHERE (Date = toDate('2016-03-01')) AND (User = 1486392) AND (x = 0);
+
+DROP TABLE IF EXISTS distributed_tbl;
+DROP TABLE IF EXISTS merge_tree_table;