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From "Ryan Blue (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AVRO-1402) Support for DECIMAL type
Date Tue, 08 Apr 2014 17:29:34 GMT

    [ https://issues.apache.org/jira/browse/AVRO-1402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13963200#comment-13963200
] 

Ryan Blue commented on AVRO-1402:
---------------------------------

I don't think evolution would cover the use case because the file format would then require
separate files for measurements where the only difference is the resolution of the measurement.
That wouldn't work for cases where these are coming in from multiple devices simultaneously,
that won't be upgraded at the same time. I agree we should support the case where all of the
scales are the same, but I don't think it's correct for avro to force that to be the case.

> Support for DECIMAL type
> ------------------------
>
>                 Key: AVRO-1402
>                 URL: https://issues.apache.org/jira/browse/AVRO-1402
>             Project: Avro
>          Issue Type: New Feature
>    Affects Versions: 1.7.5
>            Reporter: Mariano Dominguez
>            Assignee: Tom White
>            Priority: Minor
>              Labels: Hive
>             Fix For: 1.7.7
>
>         Attachments: AVRO-1402.patch, AVRO-1402.patch, AVRO-1402.patch, AVRO-1402.patch,
UnixEpochRecordMapping.patch
>
>
> Currently, Avro does not seem to support a DECIMAL type or equivalent.
> http://avro.apache.org/docs/1.7.5/spec.html#schema_primitive
> Adding DECIMAL support would be particularly interesting when converting types from Avro
to Hive, since DECIMAL is already a supported data type in Hive (0.11.0).



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