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## What changes were proposed in this pull request? A followup of https://github.com/apache/spark/pull/23388 . `AggUtils.createAggregate` is not the right place to normalize the grouping expressions, as final aggregate is also created by it. The grouping expressions of final aggregate should be attributes which refer to the grouping expressions in partial aggregate. This PR moves the normalization to the caller side of `AggUtils`. ## How was this patch tested? existing tests Closes #23692 from cloud-fan/follow. Authored-by: Wenchen Fan <wenchen@databricks.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> |
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