[jira] [Created] (TAJO-447) Implement CREATE TABLE IF NOT EXISTS

[Hyunsik Choi (JIRA)]

Hyunsik Choi created TAJO-447:
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             Summary: Implement CREATE TABLE IF NOT EXISTS
                 Key: TAJO-447
                 URL: https://issues.apache.org/jira/browse/TAJO-447
             Project: Tajo
          Issue Type: Bug
          Components: parser, planner/optimizer
            Reporter: Hyunsik Choi
            Priority: Minor


{code}
CREATE TABLE [ IF NOT EXISTS ] table_name ...
{code}

This enables CREATE TABLE to create a table only if a given table does not 
exist. Even though the table already exists, it does not the error 'the table 
already exists'.



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