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From "Sushanth Sowmyan (JIRA)" <>
Subject [jira] [Updated] (HIVE-6945) issues with dropping partitions on Oracle
Date Sat, 10 May 2014 22:14:27 GMT


Sushanth Sowmyan updated HIVE-6945:

    Fix Version/s: 0.13.1

> issues with dropping partitions on Oracle
> -----------------------------------------
>                 Key: HIVE-6945
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.13.0
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>             Fix For: 0.14.0, 0.13.1
>         Attachments: HIVE-6945-0.13.1.patch, HIVE-6945.01.patch, HIVE-6945.02.patch,
> 1) Direct SQL is broken on Oracle due to the usage of NUMBER type which is translated
by DN into decimal rather than long. This appears to be specific to some cases because it
seemed to have worked before (different version of Oracle? JDBC? DN? Maybe depends on whether
db was auto-created).
> 2) When partition dropping code falls back to JDO, it creates objects to return, then
drops partitions. It appears that dropping makes DN objects invalid. We create metastore partition
objects out of DN objects before drop, however the list of partition column values is re-used,
rather than copied, into these. DN appears to clear this list during drop, so the returned
object becomes invalid and the exception is thrown.

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