[jira] [Created] (TAJO-446) Implement DROP TABLE IF EXISTS

[Hyunsik Choi (JIRA)]

Hyunsik Choi created TAJO-446:
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             Summary: Implement DROP TABLE IF EXISTS
                 Key: TAJO-446
                 URL: https://issues.apache.org/jira/browse/TAJO-446
             Project: Tajo
          Issue Type: Bug
          Components: parser, planner/optimizer
            Reporter: Hyunsik Choi
            Priority: Minor


{code}
DROP TABLE [ IF EXISTS ] name [, ...]
{code}

This statement removes the given tables if tables exist. Even if there are no 
given tables, it does not cause the error 'no such table'. The names can be one 
or more, and they are separated by comma.



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