From 3d8562452d9818c9679374bc1cc65c29b66fca13 Mon Sep 17 00:00:00 2001
From: Artem Zuikov <chertus@gmail.com>
Date: Wed, 15 Apr 2020 13:07:16 +0300
Subject: [PATCH] remove more code

---
 src/Interpreters/RequiredSourceColumnsVisitor.cpp | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/src/Interpreters/RequiredSourceColumnsVisitor.cpp b/src/Interpreters/RequiredSourceColumnsVisitor.cpp
index 08bfbf30f7f..9542b2882c5 100644
--- a/src/Interpreters/RequiredSourceColumnsVisitor.cpp
+++ b/src/Interpreters/RequiredSourceColumnsVisitor.cpp
@@ -159,19 +159,9 @@ void RequiredSourceColumnsMatcher::visit(const ASTFunction & node, const ASTPtr
 
 void RequiredSourceColumnsMatcher::visit(const ASTTablesInSelectQueryElement & node, const ASTPtr &, Data & data)
 {
-    ASTTableExpression * expr = nullptr;
-    ASTTableJoin * join = nullptr;
-
     for (auto & child : node.children)
-    {
-        if (auto * e = child->as<ASTTableExpression>())
-            expr = e;
-        if (auto * j = child->as<ASTTableJoin>())
-            join = j;
-    }
-
-    if (join)
-        data.has_table_join = true;
+        if (child->as<ASTTableJoin>())
+            data.has_table_join = true;
 }
 
 /// ASTIdentifiers here are tables. Do not visit them as generic ones.