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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-8655) CBO: ppr_pushdown, udf_substr produces incorrect results due to broken tablesample handling
Date Wed, 29 Oct 2014 23:24:34 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin updated HIVE-8655:
-----------------------------------
    Attachment: HIVE-8655.patch

restores tablesample and charset checks that were accidentally removed during one of the rebases/merges
of the CTAS patch onto trunk

> CBO: ppr_pushdown, udf_substr produces incorrect results due to broken tablesample handling
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-8655
>                 URL: https://issues.apache.org/jira/browse/HIVE-8655
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>             Fix For: 0.14.0
>
>         Attachments: HIVE-8655.patch
>
>
> Bunch of rows were added. Looks like tablesample in subquery is no longer blocking CBO,
probably broken by HIVE-8021



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