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Posted to dev@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2013/12/19 16:20:07 UTC

[jira] [Created] (TAJO-439) Time literal support

Hyunsik Choi created TAJO-439:
---------------------------------

             Summary: Time literal support
                 Key: TAJO-439
                 URL: https://issues.apache.org/jira/browse/TAJO-439
             Project: Tajo
          Issue Type: Sub-task
          Components: operator/expression, parser
            Reporter: Hyunsik Choi
            Priority: Minor


Time literal represents a time literal value. Its BNF grammar is as follows:
{code}
<time literal>    ::=   TIME <time string>
<time string>    ::=   <quote> <unquoted time string> <quote>
<unquoted time string>    ::=   <time value> [ <time zone interval> ]
<time zone interval>    ::=   <sign> <hours value> <colon> <minutes value>
{code}



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