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Posted to dev@hive.apache.org by "Xuefu Zhang (JIRA)" <ji...@apache.org> on 2014/11/12 18:59:34 UTC

[jira] [Updated] (HIVE-8793) Refactor to make splitting SparkWork a physical resolver [Spark Branch]

     [ https://issues.apache.org/jira/browse/HIVE-8793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xuefu Zhang updated HIVE-8793:
------------------------------
    Summary: Refactor to make splitting SparkWork a physical resolver [Spark Branch]  (was: Refactor to make split spark work a physical resolver [Spark Branch])

> Refactor to make splitting SparkWork a physical resolver [Spark Branch]
> -----------------------------------------------------------------------
>
>                 Key: HIVE-8793
>                 URL: https://issues.apache.org/jira/browse/HIVE-8793
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>    Affects Versions: spark-branch
>            Reporter: Chao
>            Assignee: Rui Li
>         Attachments: HIVE-8793.1-spark.patch, HIVE-8793.2-spark.patch
>
>
> Currently, HIVE-8622 is implemented based on an assumption, that for a map join query, a BaseWork would not have multiple children. By testing through subquery_multiinsert.q did reveal that's the case. But, we need to investigate on this, and make sure this won't happen in general.



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