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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11035) PPD: Orc Split elimination fails because filterColumns=[-1]
Date Thu, 18 Jun 2015 05:28:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14591277#comment-14591277
] 

Hive QA commented on HIVE-11035:
--------------------------------



{color:green}Overall{color}: +1 all checks pass

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12740226/HIVE-11035.patch

{color:green}SUCCESS:{color} +1 9008 tests passed

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/4296/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/4296/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-4296/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12740226 - PreCommit-HIVE-TRUNK-Build

> PPD: Orc Split elimination fails because filterColumns=[-1]
> -----------------------------------------------------------
>
>                 Key: HIVE-11035
>                 URL: https://issues.apache.org/jira/browse/HIVE-11035
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.14.0, 1.0.0, 1.2.0, 1.1.0, 1.3.0, 2.0.0
>            Reporter: Gopal V
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-11035.patch
>
>
> {code}
> create temporary table xx (x int) stored as orc ;
> insert into xx values (20),(200);
> set hive.fetch.task.conversion=none;
> select * from xx where x is null;
> {code}
> This should generate zero tasks after optional split elimination in the app master, instead
of generating the 1 task which for sure hits the row-index filters and removes all rows anyway.
> Right now, this runs 1 task for the stripe containing (min=20, max=200, has_null=false),
which is broken.
> Instead, it returns YES_NO_NULL from the following default case
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java#L976



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