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https://issues.apache.org/jira/browse/HIVE-19370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16466870#comment-16466870
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Bharathkrishna Guruvayoor Murali commented on HIVE-19370:
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I do not think this is a bug, as it is mentioned in the add_months description
in [LanguageManual
UDF|https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF] :
{quote}start_date is a string, date or timestamp. num_months is an integer. The
time part of start_date is ignored.
{quote}
> Issue: ADD Months function on timestamp datatype fields in hive
> ---------------------------------------------------------------
>
> Key: HIVE-19370
> URL: https://issues.apache.org/jira/browse/HIVE-19370
> Project: Hive
> Issue Type: Bug
> Reporter: Amit Chauhan
> Assignee: Bharathkrishna Guruvayoor Murali
> Priority: Major
>
> *Issue:*
> while using ADD_Months function on a timestamp datatype column the output
> omits the time part[HH:MM:SS] part from output.
> which should not be the case.
> *query:* EMAIL_FAILURE_DTMZ is of datatype timestamp in hive.
> hive> select CUSTOMER_ID,EMAIL_FAILURE_DTMZ,ADD_MONTHS (EMAIL_FAILURE_DTMZ ,
> 1) from TABLE1 where CUSTOMER_ID=125674937;
> OK
> 125674937 2015-12-09 12:25:53 2016-01-09
> *hiver version :*
> hive> !hive --version;
> Hive 1.2.1000.2.5.6.0-40
>
> can you please help if somehow I can get below as output:
>
> 125674937 2015-12-09 12:25:53 2016-01-09 12:25:53
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