maropu commented on a change in pull request #32022:
URL: https://github.com/apache/spark/pull/32022#discussion_r605602643
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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@@ -914,19 +914,19 @@ class AstBuilder extends SqlBaseBaseVisitor[AnyRef] with
SQLConfHelper with Logg
selectExpressions: Seq[NamedExpression],
query: LogicalPlan): LogicalPlan = withOrigin(ctx) {
if (ctx.groupingExpressionsWithGroupingAnalytics.isEmpty) {
- val groupByExpressions = expressionList(ctx.groupingExpressions)
if (ctx.GROUPING != null) {
- // GROUP BY .... GROUPING SETS (...)
- // `GROUP BY warehouse, product GROUPING SETS((warehouse, producets),
(warehouse))` is
- // semantically equivalent to `GROUP BY GROUPING SETS((warehouse,
produce), (warehouse))`.
- // Under this grammar, the fields appearing in `GROUPING SETS`'s
groupingSets must be a
- // subset of the columns appearing in group by expression.
+ // GROUP BY GROUPING SETS (...)
+ if (!ctx.groupingExpressions.isEmpty) {
Review comment:
We cannot use a legacy option to deprecate this syntax?
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