c21 commented on a change in pull request #34270:
URL: https://github.com/apache/spark/pull/34270#discussion_r728722950
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/grouping.scala
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@@ -217,9 +217,9 @@ case class Grouping(child: Expression) extends Expression
with Unevaluable
Examples:
> SELECT name, _FUNC_(), sum(age), avg(height) FROM VALUES (2, 'Alice',
165), (5, 'Bob', 180) people(age, name, height) GROUP BY cube(name, height);
Alice 0 2 165.0
- Bob 0 5 180.0
Alice 1 2 165.0
NULL 3 7 172.5
+ Bob 0 5 180.0
Review comment:
This change is needed for passing unit test, which reverts the change in
https://github.com/apache/spark/pull/32242/files .
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