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Posted to issues@arrow.apache.org by "Julien Le Dem (JIRA)" <ji...@apache.org> on 2017/04/24 20:30:04 UTC

[jira] [Resolved] (ARROW-887) [format] For backward compatibility, new unit fields must have default values matching previous implied unit

     [ https://issues.apache.org/jira/browse/ARROW-887?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julien Le Dem resolved ARROW-887.
---------------------------------
    Resolution: Fixed

Issue resolved by pull request 592
[https://github.com/apache/arrow/pull/592]

> [format] For backward compatibility, new unit fields must have default values matching previous implied unit
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-887
>                 URL: https://issues.apache.org/jira/browse/ARROW-887
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Format
>            Reporter: Julien Le Dem
>            Assignee: Julien Le Dem
>
> Flatbuffer "defaults the default value" to 0. Which means we interpret previously serialized Flatbuf has having the first element of the enum. In particular Date and Time unit fields end up being read as DateUnit.DAY and TimeUnit.SECOND when the previous implied unit was MILLISECOND for both.



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