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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/04/27 17:14:04 UTC

[jira] [Commented] (SPARK-20494) Implement UDF array_unique in Spark with codegen

    [ https://issues.apache.org/jira/browse/SPARK-20494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15987059#comment-15987059 ] 

Apache Spark commented on SPARK-20494:
--------------------------------------

User 'janewangfb' has created a pull request for this issue:
https://github.com/apache/spark/pull/17778

> Implement UDF array_unique in Spark with codegen
> ------------------------------------------------
>
>                 Key: SPARK-20494
>                 URL: https://issues.apache.org/jira/browse/SPARK-20494
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 2.1.0
>            Reporter: jane
>            Priority: Trivial
>
> It is nice to have a generic UDF that could return an array with all duplicate elements removed, e.g., for [1, 2, 2, 3, 4, 3, 6], it could return [1,2,3,4,6]



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