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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 Fri, 06 Sep 2019 15:56:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-22099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16924356#comment-16924356
] 

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



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12979623/HIVE-22099.8.patch

{color:green}SUCCESS:{color} +1 due to 7 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 16747 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.llap.cache.TestBuddyAllocator.testMTT[2] (batchId=361)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/18476/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/18476/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-18476/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
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: 12979623 - 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, HIVE-22099.5.patch, HIVE-22099.6.patch, HIVE-22099.7.patch, HIVE-22099.8.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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