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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/04/06 06:50:00 UTC

[jira] [Assigned] (SPARK-34916) Reduce tree traversals in transform/resolve function families

     [ https://issues.apache.org/jira/browse/SPARK-34916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-34916:
------------------------------------

    Assignee: Apache Spark

> Reduce tree traversals in transform/resolve function families
> -------------------------------------------------------------
>
>                 Key: SPARK-34916
>                 URL: https://issues.apache.org/jira/browse/SPARK-34916
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.1.1
>            Reporter: Yingyi Bu
>            Assignee: Apache Spark
>            Priority: Major
>
> Transform/resolve functions are called ~280k times per query on average for a TPC-DS query, which are way more than necessary. We can reduce those calls with early exit information and conditons.



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