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Posted to issues@spark.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/09/15 00:09:00 UTC

[jira] [Updated] (SPARK-59511) ANSI type coercion allocates excessively for unchanged expressions

     [ https://issues.apache.org/jira/browse/SPARK-59511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SPARK-59511:
-----------------------------------
    Labels: pull-request-available  (was: )

> ANSI type coercion allocates excessively for unchanged expressions
> ------------------------------------------------------------------
>
>                 Key: SPARK-59511
>                 URL: https://issues.apache.org/jira/browse/SPARK-59511
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 4.2.0
>            Reporter: Ben Hollis
>            Priority: Minor
>              Labels: pull-request-available
>
> ANSI type coercion allocates substantial temporary objects while traversing expressions that remain unchanged. This increases analysis memory and latency for queries with large expression trees, such as compatibility views with hundreds of branches.



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