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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2023/01/05 11:52:00 UTC

[jira] [Assigned] (SPARK-41896) Filtering by row_index always returns empty results

     [ https://issues.apache.org/jira/browse/SPARK-41896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-41896:
------------------------------------

    Assignee: Apache Spark

> Filtering by row_index always returns empty results
> ---------------------------------------------------
>
>                 Key: SPARK-41896
>                 URL: https://issues.apache.org/jira/browse/SPARK-41896
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 3.4.0
>            Reporter: Jan-Ole Sasse
>            Assignee: Apache Spark
>            Priority: Critical
>             Fix For: 3.4.0
>
>
> Queries that include a filter with row_index currently always return an empty result. This is because we consider all metadata attributes constant per file [here|https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/PartitioningAwareFileIndex.scala#L76] and the filter then always evaluates to false.
> This should be fixed as a follow up to SPARK-41791



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