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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/08/19 08:52:00 UTC

[jira] [Commented] (SPARK-32659) Replace Array with Set in InSubqueryExec

    [ https://issues.apache.org/jira/browse/SPARK-32659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17180367#comment-17180367 ] 

Apache Spark commented on SPARK-32659:
--------------------------------------

User 'wangyum' has created a pull request for this issue:
https://github.com/apache/spark/pull/29475

> Replace Array with Set in InSubqueryExec
> ----------------------------------------
>
>                 Key: SPARK-32659
>                 URL: https://issues.apache.org/jira/browse/SPARK-32659
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Yuming Wang
>            Priority: Major
>
> {{Set}}'s contains has better performance:
> https://www.baeldung.com/java-hashset-arraylist-contains-performance



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