Hyunsik Choi created TAJO-287:
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Summary: 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
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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