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Posted to issues@tajo.apache.org by "Jihoon Son (JIRA)" <ji...@apache.org> on 2015/08/26 04:35:45 UTC

[jira] [Created] (TAJO-1803) Use in-memory derby as the default catalog for unit tests

Jihoon Son created TAJO-1803:
--------------------------------

             Summary: Use in-memory derby as the default catalog for unit tests
                 Key: TAJO-1803
                 URL: https://issues.apache.org/jira/browse/TAJO-1803
             Project: Tajo
          Issue Type: Task
          Components: Unit Test
            Reporter: Jihoon Son
            Assignee: Jihoon Son
             Fix For: 0.11.0


We are currently using MemStore which is designed to provide the same interface with AbstractDBStore. This incurs two problems.
* The major problem is that AbstractDBStore is not tested properly by unit testing. The logic to access catalog is separated into MemStore and AbstractDBStore, and only MemStore is tested.
* We have to implement both AbstractDBStore and MemStore whenever we modify the catalog interface even though MemStore is used only in unit testing. This is an unnecessary burden to developers.



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