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https://issues.apache.org/jira/browse/TAJO-287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-287:
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Attachment: TAJO-287_2.patch
I've uploaded the second patch that reflects Jihoon's suggestion.
> 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_2.patch, 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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