AngersZhuuuu commented on a change in pull request #30144:
URL: https://github.com/apache/spark/pull/30144#discussion_r609841547
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/grouping.scala
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@@ -231,3 +229,24 @@ object GroupingID {
if (SQLConf.get.integerGroupingIdEnabled) IntegerType else LongType
}
}
+
+object GroupingAnalytics {
+ def unapply(exprs: Seq[Expression])
+ : Option[(Seq[Seq[Expression]], Seq[Seq[Expression]], Seq[Expression])] = {
+ val (groupingSetExprs, others) =
exprs.partition(_.isInstanceOf[BaseGroupingSets])
Review comment:
And how about current code here, It can keep order when expand grouping
sets.
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