c21 commented on a change in pull request #32242:
URL: https://github.com/apache/spark/pull/32242#discussion_r616404526
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/grouping.scala
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@@ -214,9 +214,9 @@ 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
Review comment:
This change is needed as hash aggregation output order is changed, and
it causes `ExpressionInfoSuite.check outputs of expression examples` test
failure in https://github.com/c21/spark/runs/2386397792?check_suite_focus=true .
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