[jira] [Assigned] (ARROW-637) [Format] Add time zone metadata to Timestamp type

["Wes McKinney (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney reassigned ARROW-637:
----------------------------------

    Assignee: Wes McKinney

I agree. I opened a PR reflecting this https://github.com/apache/arrow/pull/388 -- it would be good to get the perspective of [~julianhyde] or others more familiar with SQL implementations to make sure we're capturing the semantics correctly. 

> [Format] Add time zone metadata to Timestamp type
> -------------------------------------------------
>
>                 Key: ARROW-637
>                 URL: https://issues.apache.org/jira/browse/ARROW-637
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Format
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>
> As a metadata-only convenience, it would be useful to have an optional Olson time zone name in the {{Timestamp}} flatbuffers type: https://github.com/apache/arrow/blob/master/format/Message.fbs#L94
> Null or length-0 string would indicate that the data has no time zone (UTC)



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