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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/06/26 11:11:59 UTC
[GitHub] [spark] wangyum opened a new pull request, #36994: [SPARK-39606][SQL] Use child stats to estimate order operator
wangyum opened a new pull request, #36994:
URL: https://github.com/apache/spark/pull/36994
### What changes were proposed in this pull request?
This PR use child stats to estimate `order` operator.
### Why are the changes needed?
To make stats more accurate.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Unit test.
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[GitHub] [spark] cloud-fan commented on pull request #36994: [SPARK-39606][SQL] Use child stats to estimate order operator
Posted by GitBox <gi...@apache.org>.
cloud-fan commented on PR #36994:
URL: https://github.com/apache/spark/pull/36994#issuecomment-1175051179
late LGTM
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[GitHub] [spark] wangyum commented on pull request #36994: [SPARK-39606][SQL] Use child stats to estimate order operator
Posted by GitBox <gi...@apache.org>.
wangyum commented on PR #36994:
URL: https://github.com/apache/spark/pull/36994#issuecomment-1174964869
Merged to master.
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[GitHub] [spark] wangyum closed pull request #36994: [SPARK-39606][SQL] Use child stats to estimate order operator
Posted by GitBox <gi...@apache.org>.
wangyum closed pull request #36994: [SPARK-39606][SQL] Use child stats to estimate order operator
URL: https://github.com/apache/spark/pull/36994
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[GitHub] [spark] wangyum commented on pull request #36994: [SPARK-39606][SQL] Use child stats to estimate order operator
Posted by GitBox <gi...@apache.org>.
wangyum commented on PR #36994:
URL: https://github.com/apache/spark/pull/36994#issuecomment-1173286051
cc @HyukjinKwon @cloud-fan
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