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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-4868) Hive functions should update writerIndex accordingly when return binary type
Date Wed, 14 Dec 2016 01:11:59 GMT

    [ https://issues.apache.org/jira/browse/DRILL-4868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15746822#comment-15746822
] 

ASF GitHub Bot commented on DRILL-4868:
---------------------------------------

GitHub user chunhui-shi opened a pull request:

    https://github.com/apache/drill/pull/695

    DRILL-4868: fix how hive function set DrillBuf.

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/chunhui-shi/drill DRILL-4868

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/drill/pull/695.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #695
    
----
commit 54334558b63c4f15e66bbb88f639911d56e04cb9
Author: chunhui-shi <cshi@maprtech.com>
Date:   2016-12-13T23:16:40Z

    DRILL-4868: fix how hive function set DrillBuf.

----


> Hive functions should update writerIndex accordingly when return binary type
> ----------------------------------------------------------------------------
>
>                 Key: DRILL-4868
>                 URL: https://issues.apache.org/jira/browse/DRILL-4868
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Chunhui Shi
>            Assignee: Chunhui Shi
>
> unhex is a Hive function. the returned binary buffer could not be consumed by convert_from
as shown below.
> 0: jdbc:drill:zk=10.10.88.128:5181> select convert_from(unhex('0a5f710b'),'int_be')
from (values(1));
> Error: SYSTEM ERROR: IndexOutOfBoundsException: readerIndex(0) + length(4) exceeds writerIndex(0):
DrillBuf[31], udle: [25 0..1024]
> Fragment 0:0
> [Error Id: 5e72ce4a-6164-4260-8317-ca2bb6325013 on atsqa4-128.qa.lab:31010] (state=,code=0)



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