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https://issues.apache.org/jira/browse/SPARK-26328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16715331#comment-16715331
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ASF GitHub Bot commented on SPARK-26328:
----------------------------------------
SparkQA commented on issue #23279: [SPARK-26328][SQL] Use GenerateOrdering for
group key comparision in WindowExec
URL: https://github.com/apache/spark/pull/23279#issuecomment-445924518
**[Test build #99929 has
started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/99929/testReport)**
for PR 23279 at commit
[`4709506`](https://github.com/apache/spark/commit/4709506886b3a7fc9aad696095e08d41782e8613).
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> Use GenerateOrdering for group key comparison in WindowExec
> -----------------------------------------------------------
>
> Key: SPARK-26328
> URL: https://issues.apache.org/jira/browse/SPARK-26328
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Li Jin
> Priority: Major
>
> Per discussion here:
> [https://github.com/apache/spark/pull/22305/commits/850541873df1101485a85632b85ba474dac67d56#r239312302]
> It seems better to use GenerateOrdering for group key comparison in
> WindowExec.
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