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Posted to issues@arrow.apache.org by "Julien Le Dem (JIRA)" <ji...@apache.org> on 2017/04/24 18:59:04 UTC

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

Julien Le Dem created ARROW-887:
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             Summary: [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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