[jira] [Commented] (HIVE-5994) ORC RLEv2 decodes wrongly for large negative BIGINTs (64 bits )

["Hive QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-5994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844012#comment-13844012 ] 

Hive QA commented on HIVE-5994:
-------------------------------



{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12617962/HIVE-5994.1.patch

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 4762 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_decimal_precision
{noformat}

Test results: http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/591/testReport
Console output: http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/591/console

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 1 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12617962

> ORC RLEv2 decodes wrongly for large negative BIGINTs  (64 bits )
> ----------------------------------------------------------------
>
>                 Key: HIVE-5994
>                 URL: https://issues.apache.org/jira/browse/HIVE-5994
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.13.0
>            Reporter: Prasanth J
>            Assignee: Prasanth J
>              Labels: orcfile
>         Attachments: HIVE-5994.1.patch
>
>
> For large negative BIGINTs, zigzag encoding will yield large value (64bit value) with MSB set to 1. This value is interpreted as negative value in SerializationUtils.findClosestNumBits(long value) function. This resulted in wrong computation of total number of bits required which results in wrong encoding/decoding of values.



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