From b0d54e474b90e1542861d508f35b21fbe6357528 Mon Sep 17 00:00:00 2001 From: Artem Zuikov Date: Fri, 20 Mar 2020 15:21:02 +0300 Subject: [PATCH] update comment --- dbms/src/Interpreters/JoinToSubqueryTransformVisitor.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/dbms/src/Interpreters/JoinToSubqueryTransformVisitor.cpp b/dbms/src/Interpreters/JoinToSubqueryTransformVisitor.cpp index 11237afebb2..ea508b27dd0 100644 --- a/dbms/src/Interpreters/JoinToSubqueryTransformVisitor.cpp +++ b/dbms/src/Interpreters/JoinToSubqueryTransformVisitor.cpp @@ -655,7 +655,7 @@ void JoinToSubqueryTransformMatcher::visit(ASTPtr & ast, Data & data) /// 1. Expand asterisks in select expression list. /// 2. Normalize column names and find name clashes /// 3. Rewrite multiple JOINs with subqueries: -/// SELECT ... FROM (SELECT `--join`.*, ... FROM (...) AS `--join` JOIN tableY ON ...) AS `--join` JOIN tableZ ON ...' +/// SELECT ... FROM (SELECT `--.s`.*, ... FROM (...) AS `--.s` JOIN tableY ON ...) AS `--.s` JOIN tableZ ON ...' /// 4. Push down expressions of aliases used in ON section into expression list of first reletad subquery void JoinToSubqueryTransformMatcher::visitV2(ASTSelectQuery & select, ASTPtr & ast, Data & data) {