You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/07/20 04:21:00 UTC
[jira] [Commented] (SPARK-24871) Refactor Concat and MapConcat to
avoid creating concatenator object for each row.
[ https://issues.apache.org/jira/browse/SPARK-24871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16550218#comment-16550218 ]
Apache Spark commented on SPARK-24871:
--------------------------------------
User 'ueshin' has created a pull request for this issue:
https://github.com/apache/spark/pull/21824
> Refactor Concat and MapConcat to avoid creating concatenator object for each row.
> ---------------------------------------------------------------------------------
>
> Key: SPARK-24871
> URL: https://issues.apache.org/jira/browse/SPARK-24871
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Takuya Ueshin
> Priority: Major
>
> Refactor {{Concat}} and {{MapConcat}} to:
> - avoid creating concatenator object for each row.
> - make {{Concat}} handle {{containsNull}} properly.
> - make {{Concat}} shortcut if {{null}} child is found.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org