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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14241) Acid clashes with ConfVars.HIVEFETCHTASKCONVERSION <> "none"
Date Fri, 15 Jul 2016 17:49:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15379774#comment-15379774
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Ashutosh Chauhan commented on HIVE-14241:
-----------------------------------------

I see. +1 for the patch. Lets do the follow-up of moving FetchTask::initialize() in compileInternal()
before execute() It doesn't seem its any useful to do that in compile().

> Acid clashes with ConfVars.HIVEFETCHTASKCONVERSION <> "none"
> ------------------------------------------------------------
>
>                 Key: HIVE-14241
>                 URL: https://issues.apache.org/jira/browse/HIVE-14241
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 1.3.0, 2.0.0
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>            Priority: Critical
>             Fix For: 1.3.0, 2.2.0, 2.1.1
>
>         Attachments: HIVE-14241.patch
>
>
> Some queries are optimized so as not to create an MR job. This somehow causes the Configuration
object in FetchOperator to be passed to the operator before Driver.recordValidTxns() is called.
So then to this op it looks like there are no valid txns and it returns nothing.



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