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From "DaeMyung Kang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-438) Date literal support
Date Tue, 07 Jan 2014 08:27:53 GMT

    [ https://issues.apache.org/jira/browse/TAJO-438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13864003#comment-13864003
] 

DaeMyung Kang commented on TAJO-438:
------------------------------------

[~goodljy] Good Job. you're welcome :)

> Date literal support
> --------------------
>
>                 Key: TAJO-438
>                 URL: https://issues.apache.org/jira/browse/TAJO-438
>             Project: Tajo
>          Issue Type: Sub-task
>          Components: operator/expression, parser
>            Reporter: Hyunsik Choi
>            Assignee: Jae Young Lee
>            Priority: Minor
>              Labels: newbie
>             Fix For: 0.8-incubating
>
>
> Date literal represents a date type literal value. It's BNF grammar as follows:
> {code}
> <date literal>    ::=   DATE <date string>
> <date string>    ::=   <quote> <unquoted date string> <quote>
> <unquoted date string>    ::=   <date value>
> <date value>    ::=   <years value> <minus sign> <months value>
<minus sign> <days value>
> {code}
> When needed, please refer http://savage.net.au/SQL/sql-2003-2.bnf.html#datetime%20literal.



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