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Posted to reviews@spark.apache.org by "wangyum (via GitHub)" <gi...@apache.org> on 2023/03/20 09:11:40 UTC
[GitHub] [spark] wangyum opened a new pull request, #40484: [SPARK-42868][SQL] Support eliminate sorts in AQE Optimizer
wangyum opened a new pull request, #40484:
URL: https://github.com/apache/spark/pull/40484
### What changes were proposed in this pull request?
This PR supports eliminate sorts in AQE Optimizer.
### Why are the changes needed?
Reduce sort to improve query performance.
Use case is we push down topK via left outer join to reduce join data. But the number of rows on the left side may be less than the limit.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Unit test.
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[GitHub] [spark] wangyum commented on pull request #40484: [SPARK-42868][SQL] Support eliminate sorts in AQE Optimizer
Posted by "wangyum (via GitHub)" <gi...@apache.org>.
wangyum commented on PR #40484:
URL: https://github.com/apache/spark/pull/40484#issuecomment-1476093903
cc @cloud-fan
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[GitHub] [spark] github-actions[bot] commented on pull request #40484: [SPARK-42868][SQL] Support eliminate sorts in AQE Optimizer
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #40484:
URL: https://github.com/apache/spark/pull/40484#issuecomment-1612267646
We're closing this PR because it hasn't been updated in a while. This isn't a judgement on the merit of the PR in any way. It's just a way of keeping the PR queue manageable.
If you'd like to revive this PR, please reopen it and ask a committer to remove the Stale tag!
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[GitHub] [spark] github-actions[bot] closed pull request #40484: [SPARK-42868][SQL] Support eliminate sorts in AQE Optimizer
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] closed pull request #40484: [SPARK-42868][SQL] Support eliminate sorts in AQE Optimizer
URL: https://github.com/apache/spark/pull/40484
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