[jira] [Created] (TAJO-220) Implement catalog dump feature

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

Hyunsik Choi created TAJO-220:
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             Summary: Implement catalog dump feature
                 Key: TAJO-220
                 URL: https://issues.apache.org/jira/browse/TAJO-220
             Project: Tajo
          Issue Type: New Feature
          Components: catalog
            Reporter: Hyunsik Choi
            Priority: Critical
             Fix For: 0.2-incubating


The current catalog does not support backup and restore feature. Catalog dump feature will print out all tables and others included in catalog as Tajo DDL statements (i.e., SQL) via stdout. It can also be stored as a file via shell redirection.

Also, we need a script to call catalog dump feature in a convenient way as follows:
{code}
$ bin/tajo_dump [table name or db name] > tajo_back.sql
{code}



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