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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-22099) Several date related UDFs can't handle Julian dates properly since HIVE-20007
Date Sat, 17 Aug 2019 00:57:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-22099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16909526#comment-16909526
] 

Hive QA commented on HIVE-22099:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12977801/HIVE-22099.4.patch

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

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/18359/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/18359/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-18359/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Tests exited with: Exception: Patch URL https://issues.apache.org/jira/secure/attachment/12977801/HIVE-22099.4.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: 12977801 - PreCommit-HIVE-Build

> Several date related UDFs can't handle Julian dates properly since HIVE-20007
> -----------------------------------------------------------------------------
>
>                 Key: HIVE-22099
>                 URL: https://issues.apache.org/jira/browse/HIVE-22099
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Adam Szita
>            Assignee: Adam Szita
>            Priority: Major
>         Attachments: HIVE-22099.0.patch, HIVE-22099.1.patch, HIVE-22099.2.patch, HIVE-22099.3.patch,
HIVE-22099.4.patch
>
>
> Currently dates that belong to Julian calendar (before Oct 15, 1582) are handled improperly
by date/timestamp UDFs.
> E.g. DateFormat UDF:
> Although the dates are in Julian calendar, the formatter insists to print these according
to Gregorian calendar causing multiple days of difference in some cases:
>  
> {code:java}
> beeline> select date_format('1001-01-05','dd---MM--yyyy');
> +----------------+
> | _c0 |
> +----------------+
> | 30---12--1000 |
> +----------------+{code}
>  I've observed similar problems in the following UDFs:
>  * add_months
>  * date_format
>  * day
>  * month
>  * months_between
>  * weekofyear
>  * year
>  



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