[GitHub] [calcite] jinxing64 commented on a change in pull request #1515: fix some correlated subquery case's comment error

[GitBox <gi...@apache.org>]

jinxing64 commented on a change in pull request #1515: fix some correlated subquery case's comment error
URL: https://github.com/apache/calcite/pull/1515#discussion_r335986511
 
 

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 File path: core/src/main/java/org/apache/calcite/rel/rules/SubQueryRemoveRule.java
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 @@ -235,9 +235,9 @@ private RexNode rewriteSome(RexSubQuery e, Set<CorrelationId> variablesSet,
       //   end as v
       // from emp as e
       // left outer join (
-      //   select max(deptno) as m, count(*) as c, count(deptno) as d,
+      //   select name, max(deptno) as m, count(*) as c, count(deptno) as d,
       //       "alwaysTrue" as indicator
-      //   group by name from emp) as q on e.name = q.name
+      //   from emp group by name) as q on e.name = q.name
 
 Review comment:
   The main idea of this change is to add a `name` in the select list, because `name` is referenced in the join condition.
   Yes, this change seems too small, shall we hold ?

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