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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/06/13 12:31:00 UTC
[jira] [Commented] (SPARK-39455) Improve expression non-codegen code path performance by cache data type matching
[ https://issues.apache.org/jira/browse/SPARK-39455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17553556#comment-17553556 ]
Apache Spark commented on SPARK-39455:
--------------------------------------
User 'ulysses-you' has created a pull request for this issue:
https://github.com/apache/spark/pull/36856
> Improve expression non-codegen code path performance by cache data type matching
> --------------------------------------------------------------------------------
>
> Key: SPARK-39455
> URL: https://issues.apache.org/jira/browse/SPARK-39455
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: XiDuo You
> Priority: Major
>
> Some expressions do data type matching inside `eval` but it is not friendly for performance. Which is a overhead for every execution per row.
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