icexelloss opened a new pull request #23279: [SPARK-26328][SQL] Use GenerateOrdering for group key comparision in WindowExec URL: https://github.com/apache/spark/pull/23279 ## What changes were proposed in this pull request? Per discussion here: https://github.com/apache/spark/pull/22305/commits/850541873df1101485a85632b85ba474dac67d56#r239312302 It seems better and more standard to use GenerateOrdering for group key comparison. ## How was this patch tested? Existing tests.
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