[jira] [Updated] (TAJO-287) Improve Fragment to be more generic

["Hyunsik Choi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TAJO-287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyunsik Choi updated TAJO-287:
------------------------------

    Status: Patch Available  (was: Open)

> Improve Fragment to be more generic
> -----------------------------------
>
>                 Key: TAJO-287
>                 URL: https://issues.apache.org/jira/browse/TAJO-287
>             Project: Tajo
>          Issue Type: Improvement
>          Components: physical operator
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>             Fix For: 0.8-incubating
>
>         Attachments: TAJO-287.patch
>
>
> The current Fragment is only for a file. This patch improves Fragment to be more generic. 
> First of all, I've changed Fragment to an interface and the original Fragment to FileFragment respectively. FragmentProto is changed to contain a table name and a bytestring which contains an storage-dependent contents. Then, the added FragmentConvertor transforms FragmentProto to a specified Fragment instance. It would be very useful to represent various fragment types like a row range of Hbase and database tables.



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