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From "Peng Cheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14343) HiveDriverRunHookContext's command is null in HS2 mode
Date Wed, 02 Aug 2017 23:47:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16111932#comment-16111932
] 

Peng Cheng commented on HIVE-14343:
-----------------------------------

Apparently this bug also affects Hive 1.2.1 branch:

https://stackoverflow.com/questions/45450066/why-hivedriverrunhook-cannot-read-any-command-when-it-is-submitted-is-it-a-bug

Would you like me to open an new ticket?

> HiveDriverRunHookContext's command is null in HS2 mode
> ------------------------------------------------------
>
>                 Key: HIVE-14343
>                 URL: https://issues.apache.org/jira/browse/HIVE-14343
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 2.2.0
>            Reporter: Chao Sun
>            Assignee: Chao Sun
>             Fix For: 2.3.0
>
>         Attachments: HIVE-14343.0.patch, HIVE-14343.1.patch
>
>
> Looking at the {{Driver#runInternal(String command, boolean alreadyCompiled)}}:
> {code}
>     HiveDriverRunHookContext hookContext = new HiveDriverRunHookContextImpl(conf, command);
>     // Get all the driver run hooks and pre-execute them.
>     List<HiveDriverRunHook> driverRunHooks;
> {code}
> The context is initialized with the {{command}} passed in to the method. However, this
command is always null if {{alreadyCompiled}} is true, which is the case for HS2 mode.



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