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Posted to issues@hive.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2018/07/03 17:19:00 UTC

[jira] [Updated] (HIVE-20069) Fix reoptimization in case of DPP

     [ https://issues.apache.org/jira/browse/HIVE-20069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zoltan Haindrich updated HIVE-20069:
------------------------------------
    Attachment: HIVE-20069.01.patch

> Fix reoptimization in case of DPP
> ---------------------------------
>
>                 Key: HIVE-20069
>                 URL: https://issues.apache.org/jira/browse/HIVE-20069
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Planning
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>            Priority: Major
>         Attachments: HIVE-20069.01.patch
>
>
> reported by [~t3rmin4t0r]
> In case dynamic partition pruning; the operator statistics became partial; to only reflect the actually scanned partitions; but they are being used as an information about the "full" table...which leads to the exchange of the 2 tables being joined...which is really unfortunate...



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