From 2c0bdf1d90cf81e067e4f4b2fc3f980cea10b131 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Mon, 17 Jun 2019 01:42:06 +0300
Subject: [PATCH] Fixed formatting of expressions like (x[1].1)[1]

---
 dbms/src/Parsers/ASTFunction.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dbms/src/Parsers/ASTFunction.cpp b/dbms/src/Parsers/ASTFunction.cpp
index 5c5dbc9ba90..5d1d11dba27 100644
--- a/dbms/src/Parsers/ASTFunction.cpp
+++ b/dbms/src/Parsers/ASTFunction.cpp
@@ -223,10 +223,16 @@ void ASTFunction::formatImplWithoutAlias(const FormatSettings & settings, Format
                 {
                     if (lit->value.getType() == Field::Types::UInt64)
                     {
+                        if (frame.need_parens)
+                            settings.ostr << '(';
+
                         arguments->children[0]->formatImpl(settings, state, nested_need_parens);
                         settings.ostr << (settings.hilite ? hilite_operator : "") << "." << (settings.hilite ? hilite_none : "");
                         arguments->children[1]->formatImpl(settings, state, nested_need_parens);
                         written = true;
+
+                        if (frame.need_parens)
+                            settings.ostr << ')';
                     }
                 }
             }