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 2022/12/21 20:53:00 UTC

[jira] [Commented] (SPARK-41669) Speed up CollapseProject for wide tables

    [ https://issues.apache.org/jira/browse/SPARK-41669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17650994#comment-17650994 ] 

Apache Spark commented on SPARK-41669:
--------------------------------------

User 'allisonwang-db' has created a pull request for this issue:
https://github.com/apache/spark/pull/39161

> Speed up CollapseProject for wide tables
> ----------------------------------------
>
>                 Key: SPARK-41669
>                 URL: https://issues.apache.org/jira/browse/SPARK-41669
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.4.0
>            Reporter: Allison Wang
>            Priority: Major
>
> Currently, CollapseProject can be very slow when the project list contains a large number of expressions. We can speed this up by doing early pruning in `canCollapseExpressions`.



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org