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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/08/05 09:17:00 UTC
[jira] [Commented] (SPARK-36424) Support eliminate limits in AQE
Optimizer
[ https://issues.apache.org/jira/browse/SPARK-36424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17393737#comment-17393737 ]
Apache Spark commented on SPARK-36424:
--------------------------------------
User 'ulysses-you' has created a pull request for this issue:
https://github.com/apache/spark/pull/33651
> Support eliminate limits in AQE Optimizer
> -----------------------------------------
>
> Key: SPARK-36424
> URL: https://issues.apache.org/jira/browse/SPARK-36424
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: XiDuo You
> Priority: Major
>
> In Ad-hoc scenario, we always add limit for the query if user have no special limit value, but not all limit is nesessary.
> With the power of AQE, we can eliminate limits using running statistics.
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