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From "Julian Hyde (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARROW-637) [Format] Add time zone metadata to Timestamp type
Date Thu, 16 Mar 2017 21:13:41 GMT

    [ https://issues.apache.org/jira/browse/ARROW-637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15928920#comment-15928920
] 

Julian Hyde commented on ARROW-637:
-----------------------------------

One last quibble. You wrote

{quote}Null or length-0 string would indicate that the data has no time zone (UTC){quote}

but I would correct it to

{quote}Null or length-0 string would indicate that the data has no time zone{quote}

UTC is a time zone. "No time zone" is different; it means that the user needs to bring their
own interpretation.

> [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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