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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/01/11 07:21:00 UTC

[jira] [Assigned] (SPARK-26599) BroardCast hint can not work with PruneFileSourcePartitions

     [ https://issues.apache.org/jira/browse/SPARK-26599?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-26599:
------------------------------------

    Assignee: Apache Spark

> BroardCast hint can not work with PruneFileSourcePartitions
> -----------------------------------------------------------
>
>                 Key: SPARK-26599
>                 URL: https://issues.apache.org/jira/browse/SPARK-26599
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: eaton
>            Assignee: Apache Spark
>            Priority: Major
>
> BroardCast hint can not work with `PruneFileSourcePartitions`, for example, when the filter condition p is a partition field, table b in SQL below cannot be broadcast.
> ` sql("select /*+ broadcastjoin(b) */ * from (select a from empty_test where p=1) a " +
>  "join (select a,b from par_1 where p=1) b on a.a=b.a").explain`



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