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From "Alfonso Nishikawa (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GORA-207) Verify storage and retrieval of Avro Union data type within Gora-HBase
Date Tue, 07 May 2013 23:41:17 GMT

    [ https://issues.apache.org/jira/browse/GORA-207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13651439#comment-13651439

Alfonso Nishikawa commented on GORA-207:

Commited GORA-207_over_r1465660.patch to /branches/GORA_174 as #1480130 (over #1477735) fixing
some bugs.

Full support of unions (2 types unions, 3 types unions,...) :

- Support of ["null",type] (a.k.a. optional field).
- Support for mutitypes(3+) unions.
- Support of nested unions.
- Support of recursive optional records.
- Support of unions as value in maps and arrays.
- Serialization of topmost optional fields of the main record in "raw": topmost ["null","type"]
(optional field) will be persisted like if it was ["type"] (and non-existant column === null).
This ensures data form 0.2.1 can be read.
> Verify storage and retrieval of Avro Union data type within Gora-HBase
> ----------------------------------------------------------------------
>                 Key: GORA-207
>                 URL: https://issues.apache.org/jira/browse/GORA-207
>             Project: Apache Gora
>          Issue Type: Sub-task
>          Components: gora-hbase
>    Affects Versions: 0.3
>            Reporter: Renato Javier Marroquín Mogrovejo
>            Assignee: Alfonso Nishikawa
>             Fix For: 0.4
>         Attachments: GORA-207_over_r1462580.patch, GORA-207_over_r1463759.patch, GORA-207_over_r1465660.patch,
GORA-207_over_r1465660.patch, GORA-207_over_r1465660.patch, GORA-207.patch, GORA-207.patch,
> The necessary features should be added to confirm that we are able to support Avro Union
data types

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