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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/12/02 06:44:00 UTC
[jira] [Commented] (SPARK-33625) Subexpression elimination for
whole-stage codegen in Filter
[ https://issues.apache.org/jira/browse/SPARK-33625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17242087#comment-17242087 ]
Apache Spark commented on SPARK-33625:
--------------------------------------
User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/30565
> Subexpression elimination for whole-stage codegen in Filter
> -----------------------------------------------------------
>
> Key: SPARK-33625
> URL: https://issues.apache.org/jira/browse/SPARK-33625
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: L. C. Hsieh
> Assignee: L. C. Hsieh
> Priority: Major
>
> We made subexpression elimination available for whole-stage codegen in ProjectExec. Another one operator that frequently runs into subexpressions, is Filter. We should also make whole-stage codegen subexpression elimination in FilterExec too.
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