[jira] [Commented] (GORA-216) Verify storage and retrieval of Avro null-single- type Union data within Gora-Accumulo

["Alfonso Nishikawa (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GORA-216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619757#comment-13619757 ] 

Alfonso Nishikawa commented on GORA-216:
----------------------------------------

Hi, Keith.
I am returning hbase-store back to returning a null in the test case of when the column does not exist.
I find this -without further analysis- wrong because we are assuming that every backend is a K-V, when nothing forces other types of backends that could return a value when the corresponding value was not written, and this is a big issue because the behavior will depend on the backend :\

About default values I will write some analysis about :) What you tell about writing all values is very appreciated and seems right. I feel quite sad for losing the "sparse" feature in HBase if we write all, but maybe that will be the only solution, or not? I will inform when I write that article.
Thanks a lot.
                
> Verify storage and retrieval of Avro null-single- type Union data within Gora-Accumulo
> --------------------------------------------------------------------------------------
>
>                 Key: GORA-216
>                 URL: https://issues.apache.org/jira/browse/GORA-216
>             Project: Apache Gora
>          Issue Type: Sub-task
>          Components: gora-accumulo
>    Affects Versions: 0.3
>            Reporter: Lewis John McGibbney
>             Fix For: 0.3
>
>         Attachments: GORA-216.patch
>
>
> We also need to make sure that we cover the use case for Accumulo.

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