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Posted to issues@spark.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/04/10 21:18:00 UTC

[jira] [Updated] (SPARK-56444) BatchScanExec equals/hashCode contract violations

     [ https://issues.apache.org/jira/browse/SPARK-56444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SPARK-56444:
-----------------------------------
    Labels: pull-request-available  (was: )

> BatchScanExec equals/hashCode contract violations
> -------------------------------------------------
>
>                 Key: SPARK-56444
>                 URL: https://issues.apache.org/jira/browse/SPARK-56444
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 4.0.0
>            Reporter: Anton Lykov
>            Priority: Major
>              Labels: pull-request-available
>
> BatchScanExec.equals() violates reflexivity when batch is null (which happens after serialization round-trip since scan is @transient) — x.equals(x) returns false. Additionally, hashCode() does not include keyGroupedPartitioning despite equals() comparing it, violating the equals/hashCode contract.



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