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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:38:21 UTC

[jira] [Resolved] (SPARK-17603) Utilize Hive-generated Statistics For Partitioned Tables

     [ https://issues.apache.org/jira/browse/SPARK-17603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-17603.
----------------------------------
    Resolution: Incomplete

> Utilize Hive-generated Statistics For Partitioned Tables
> --------------------------------------------------------
>
>                 Key: SPARK-17603
>                 URL: https://issues.apache.org/jira/browse/SPARK-17603
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.0.0, 2.1.0
>            Reporter: Xiao Li
>            Priority: Major
>              Labels: bulk-closed
>
> For non-partitioned tables, Hive-generated statistics are stored in table properties. However, for partitioned tables, Hive-generated statistics are stored in partition properties. Thus, we are unable to utilize the Hive-generated statistics for partitioned tables. 
> The statistics might not be gathered for all the partitions in Hive. For partial collection, we will not utilize the Hive-generated statistics.



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