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Posted to dev@tajo.apache.org by "DaeMyung Kang (JIRA)" <ji...@apache.org> on 2013/12/19 16:42:06 UTC

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

     [ https://issues.apache.org/jira/browse/TAJO-439?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

DaeMyung Kang reassigned TAJO-439:
----------------------------------

    Assignee: DaeMyung Kang

> 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
>            Assignee: DaeMyung Kang
>            Priority: Minor
>             Fix For: 0.8-incubating
>
>
> 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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