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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19096) query result cache interferes with explain analyze
Date Mon, 04 Jun 2018 11:52:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16500120#comment-16500120
] 

Hive QA commented on HIVE-19096:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12925860/HIVE-19096.3.patch

{color:red}ERROR:{color} -1 due to build exiting with an error

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/11497/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/11497/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-11497/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Tests exited with: Exception: Patch URL https://issues.apache.org/jira/secure/attachment/12925860/HIVE-19096.3.patch
was found in seen patch url's cache and a test was probably run already on it. Aborting...
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12925860 - PreCommit-HIVE-Build

> query result cache interferes with explain analyze 
> ---------------------------------------------------
>
>                 Key: HIVE-19096
>                 URL: https://issues.apache.org/jira/browse/HIVE-19096
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Zoltan Haindrich
>            Assignee: Jason Dere
>            Priority: Major
>         Attachments: HIVE-19096.1.patch, HIVE-19096.2.patch, HIVE-19096.3.patch
>
>
> if  result cache is active; the explain analyze doesn't really return usefull informations;
even for unseen queries the result is like this:
> {code}
> +----------------------------------------+
> |                Explain                 |
> +----------------------------------------+
> | Stage-0                                |
> |   Fetch Operator                       |
> |     Cached Query Result:true,limit:-1  |
> |                                        |
> +----------------------------------------+
> {code}



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