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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-18304) datediff() UDF returns a wrong result when dealing with a (date, string) input
Date Tue, 19 Dec 2017 14:52:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-18304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16296909#comment-16296909
] 

Hive QA commented on HIVE-18304:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12902827/0001.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 18 failed/errored test(s), 11528 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[auto_join25] (batchId=72)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[auto_sortmerge_join_2] (batchId=48)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[fp_literal_arithmetic] (batchId=68)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[ppd_join5] (batchId=35)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[llap_smb] (batchId=151)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[bucketsortoptimize_insert_2]
(batchId=152)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[hybridgrace_hashjoin_2]
(batchId=157)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[insert_values_orig_table_use_metadata]
(batchId=165)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid] (batchId=169)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid_fast] (batchId=160)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[sysdb] (batchId=160)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[authorization_part] (batchId=93)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[auto_sortmerge_join_10] (batchId=138)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[bucketsortoptimize_insert_7] (batchId=128)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[ppd_join5] (batchId=120)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[subquery_multi] (batchId=113)
org.apache.hadoop.hive.cli.control.TestDanglingQOuts.checkDanglingQOut (batchId=209)
org.apache.hadoop.hive.ql.parse.TestReplicationScenarios.testConstraints (batchId=226)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/8320/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/8320/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-8320/

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: 18 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12902827 - PreCommit-HIVE-Build

> datediff() UDF returns a wrong result when dealing with a (date, string) input
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-18304
>                 URL: https://issues.apache.org/jira/browse/HIVE-18304
>             Project: Hive
>          Issue Type: Bug
>          Components: UDF
>            Reporter: Hengyu Dai
>            Assignee: Hengyu Dai
>            Priority: Minor
>         Attachments: 0001.patch
>
>
> for date type argument, datediff() use DateConverter to convert input to a java Date
object, 
> for example, a '2017-12-18' will get 2017-12-18T00:00:00.000+0800
> for string type argument, datediff() use TextConverter to convert a string to date,
> for '2012-01-01' we will get 2012-01-01T08:00:00.000+0800
> now, datediff() will return a number less than the real date diff
> we should use TextConverter to deal with date input too.
> reproduce:
> {code:java}
> select datediff(cast('2017-12-18' as date), '2012-01-01'); --2177
> select datediff('2017-12-18', '2012-01-01'); --2178
> {code}



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