[jira] [Commented] (HIVE-5472) support a simple scalar which returns the current timestamp

["Lefty Leverenz (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-5472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14302905#comment-14302905 ] 

Lefty Leverenz commented on HIVE-5472:
--------------------------------------

Does this need any documentation?

> support a simple scalar which returns the current timestamp
> -----------------------------------------------------------
>
>                 Key: HIVE-5472
>                 URL: https://issues.apache.org/jira/browse/HIVE-5472
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 0.11.0
>            Reporter: N Campbell
>            Assignee: Jason Dere
>             Fix For: 1.2.0
>
>         Attachments: HIVE-5472.1.patch, HIVE-5472.2.patch, HIVE-5472.3.patch, HIVE-5472.4.patch
>
>
> ISO-SQL has two forms of functions
> local and current timestamp where the former is a TIMESTAMP WITHOUT TIMEZONE and the latter with TIME ZONE
> select cast ( unix_timestamp() as timestamp ) from T
> implement a function which computes LOCAL TIMESTAMP which would be the current timestamp for the users session time zone.



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