[SPARK-37557][SQL] Replace object hash with sort aggregate if child is already sorted #34824
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@cloud-fan could you help take a look when you have time? Thanks. |
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Kubernetes integration test starting |
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Kubernetes integration test status failure |
cloud-fan
approved these changes
Dec 7, 2021
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thanks, merging to master! |
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Thank you @cloud-fan for review! |
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Test build #145968 has finished for PR 34824 at commit
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What changes were proposed in this pull request?
This is a follow up of #34702 (comment) , where we can replace object hash aggregate with sort aggregate as well. This PR is to handle object hash aggregate.
Why are the changes needed?
Increase coverage of rule by handling object hash aggregate as well.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
Modified unit test in
ReplaceHashWithSortAggSuite.scalato cover object hash aggregate (by using aggregate expressionCOLLECT_LIST).