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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/08/25 03:40:00 UTC
[jira] [Commented] (SPARK-36580) Replace filter and contains with
intersect
[ https://issues.apache.org/jira/browse/SPARK-36580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17404161#comment-17404161 ]
Apache Spark commented on SPARK-36580:
--------------------------------------
User 'LuciferYang' has created a pull request for this issue:
https://github.com/apache/spark/pull/33829
> Replace filter and contains with intersect
> ------------------------------------------
>
> Key: SPARK-36580
> URL: https://issues.apache.org/jira/browse/SPARK-36580
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.3.0
> Reporter: Yang Jie
> Priority: Minor
>
> filter on Set can use intersect instead
>
> *before*
> {code:java}
> val set = Set(1, 2)
> val others = Set(2, 3)
> set.filter(others.contains(_))
> {code}
> *after*
> {code:java}
> val set = Set(1, 2)
> val others = Set(2, 3)
> set.intersect(others)
> {code}
> Semantic consistency, but it looks simpler
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