[jira] [Comment Edited] (GORA-244) Upgrade to Avro 1.7.X in gora-accumulo

["Akber Choudhry (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GORA-244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13937780#comment-13937780 ] 

Akber Choudhry edited comment on GORA-244 at 3/17/14 1:24 PM:
--------------------------------------------------------------

OK. Will do.  

I am looking for architecture guidance/feedback on one of the four possible approaches on UNIONs, as the underlying problem was default values presenting themselves as UNIONs and thus UNIONs also occurring in the values of Map types.

- Only support UNONs with null and another type and store the branch index in Avro-encoding -- I have this working and tests passing.
- Only support UNIONs with null and another type (this is OK for Nutch schema and Gora test suites) and pick the non-null branch when decoding.  In this way, the Avro-encoded UNION index marker would not need to be saved along with the native value.
- Support all UNIONs with Avro-encoding of the UNION index and save in Avro-encoding.
- Support all UNIONs with String encoding of the UNION type and index as part of the value being saved.

Any guidance would be appreciated.  I am also looking into the Cassandra and other implementations for guidance.


was (Author: akber):
OK. Will do.  Can you please merge with GORA-292, if possible.

I am looking for architecture guidance/feedback on one of the four possible approaches on UNIONs, as the underlying problem was default values presenting themselves as UNIONs and thus UNIONs also occurring in the values of Map types.

- Only support UNONs with null and another type and store the branch index in Avro-encoding -- I have this working and tests passing.
- Only support UNIONs with null and another type (this is OK for Nutch schema and Gora test suites) and pick the non-null branch when decoding.  In this way, the Avro-encoded UNION index marker would not need to be saved along with the native value.
- Support all UNIONs with Avro-encoding of the UNION index and save in Avro-encoding.
- Support all UNIONs with String encoding of the UNION type and index as part of the value being saved.

Any guidance would be appreciated.  I am also looking into he Cassandra and other implementations for guidance.

> Upgrade to Avro 1.7.X in gora-accumulo
> --------------------------------------
>
>                 Key: GORA-244
>                 URL: https://issues.apache.org/jira/browse/GORA-244
>             Project: Apache Gora
>          Issue Type: Sub-task
>          Components: gora-accumulo, gora-core
>    Affects Versions: 0.4
>            Reporter: Lewis John McGibbney
>            Assignee: Akber Choudhry
>             Fix For: 0.4
>
>         Attachments: GORA-244.patch, GORA-244v2.patch
>
>




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