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https://issues.apache.org/jira/browse/SPARK-39679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-39679:
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Assignee: Apache Spark
> TakeOrderedAndProjectExec should respect child output ordering
> --------------------------------------------------------------
>
> Key: SPARK-39679
> URL: https://issues.apache.org/jira/browse/SPARK-39679
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: XiDuo You
> Assignee: Apache Spark
> Priority: Major
>
> TakeOrderedAndProjectExec should respect child output ordering to avoid
> unnecessary sort. For example: TakeOrderedAndProjectExec on the top of
> SortMergeJoin.
> {code:java}
> SELECT * FROM t1 JOIN t2 ON t1.c1 = t2.c2 ORDER BY t1.c1 LIMIT 100;
> {code}
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