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https://issues.apache.org/jira/browse/HIVE-16234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15929683#comment-15929683
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Lefty Leverenz commented on HIVE-16234:
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Doc note: The description of trunc() in the UDF doc needs to be updated, with
version information.
* [Hive Operators and UDFs -- Date Functions |
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-DateFunctions]
Added a TODOC2.2 label.
> Add support for quarter in trunc udf
> ------------------------------------
>
> Key: HIVE-16234
> URL: https://issues.apache.org/jira/browse/HIVE-16234
> Project: Hive
> Issue Type: Improvement
> Components: UDF
> Reporter: Deepesh Khandelwal
> Assignee: Deepesh Khandelwal
> Labels: TODOC2.2
> Fix For: 2.2.0
>
> Attachments: HIVE-16234.1.patch
>
>
> Hive has a Date function trunc(string date, string format) that returns date
> truncated to the unit specified by the format. Supported formats:
> MONTH/MON/MM, YEAR/YYYY/YY.
> Goal here is to extend support to QUARTER/Q.
> Example:
> SELECT trunc('2017-03-15', 'Q');
> '2017-01-01'
> SELECT trunc('2017-12-31', 'Q');
> '2017-10-01'
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