maropu commented on a change in pull request #27058: [SPARK-30276][SQL] Support
Filter expression allows simultaneous use of DISTINCT
URL: https://github.com/apache/spark/pull/27058#discussion_r367717874
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/RewriteDistinctAggregates.scala
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@@ -331,6 +457,17 @@ object RewriteDistinctAggregates extends
Rule[LogicalPlan] {
}
}
+ /**
+ * Collect all aggregate expressions.
Review comment:
We don't need this comment (it is totally the same with the function name
below...
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