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Posted to dev@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2013/08/01 04:23:48 UTC

[jira] [Assigned] (HIVE-4914) filtering via partition name should be done inside metastore server

     [ https://issues.apache.org/jira/browse/HIVE-4914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Shelukhin reassigned HIVE-4914:
--------------------------------------

    Assignee: Sergey Shelukhin
    
> filtering via partition name should be done inside metastore server
> -------------------------------------------------------------------
>
>                 Key: HIVE-4914
>                 URL: https://issues.apache.org/jira/browse/HIVE-4914
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>
> Currently, if the filter pushdown is impossible (which is most cases), the client gets all partition names from metastore, filters them, and asks for partitions by names for the filtered set.
> Metastore server code should do that instead; it should check if pushdown is possible and do it if so; otherwise it should do name-based filtering.
> Saves the roundtrip with all partition names from the server to client, and also removes the need to have pushdown viability checking on both sides.

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