From cd08a078d1ad1338481edb6cc30cbc1cb9ddbec7 Mon Sep 17 00:00:00 2001
From: Maksim Kita <kitaetoya@gmail.com>
Date: Wed, 13 Oct 2021 00:16:01 +0300
Subject: [PATCH] SQL user defined functions fix alias

---
 src/Interpreters/UserDefinedSQLFunctionVisitor.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Interpreters/UserDefinedSQLFunctionVisitor.cpp b/src/Interpreters/UserDefinedSQLFunctionVisitor.cpp
index 6471f9cbf62..cc5db020387 100644
--- a/src/Interpreters/UserDefinedSQLFunctionVisitor.cpp
+++ b/src/Interpreters/UserDefinedSQLFunctionVisitor.cpp
@@ -93,6 +93,11 @@ ASTPtr UserDefinedSQLFunctionMatcher::tryToReplaceFunction(const ASTFunction & f
         }
     }
 
+    auto function_alias = function.tryGetAlias();
+
+    if (!function_alias.empty())
+        function_body_to_update->setAlias(function_alias);
+
     return function_body_to_update;
 }