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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/02/22 21:38:00 UTC

[jira] [Assigned] (SPARK-26975) Support nested-column pruning over limit/sample/repartition

     [ https://issues.apache.org/jira/browse/SPARK-26975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-26975:
------------------------------------

    Assignee: Apache Spark

> Support nested-column pruning over limit/sample/repartition
> -----------------------------------------------------------
>
>                 Key: SPARK-26975
>                 URL: https://issues.apache.org/jira/browse/SPARK-26975
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Dongjoon Hyun
>            Assignee: Apache Spark
>            Priority: Major
>
> As SPARK-26958 shows the benchmark, nested-column pruning has limitations. This issue aims to remove the limitations on `limit/repartition/sample`. In this issue, repartition means `Repartition`, not `RepartitionByExpression`.



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