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Posted to dev@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2013/12/19 16:24:06 UTC
[jira] [Updated] (TAJO-437) Timestamp literal support
[ https://issues.apache.org/jira/browse/TAJO-437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyunsik Choi updated TAJO-437:
------------------------------
Description:
Timestamp literal represents timestamp constant. It has the following bnf grammar.
{code}
<timestamp literal> ::= TIMESTAMP <timestamp string>
<timestamp string> ::= <quote> <unquoted timestamp string> <quote>
<unquoted timestamp string> ::= <unquoted date string> <space> <unquoted time string>
<unquoted date string> ::= <date value>
<unquoted time string> ::= <time value> [ <time zone interval> ]
<date value> ::= <years value> <minus sign> <months value> <minus sign> <days value>
<time value> ::= <hours value> <colon> <minutes value> <colon> <seconds value>
<time zone interval> ::= <sign> <hours value> <colon> <minutes value>
{code}
was:
Timestamp literal represents timestamp constant. It has the following bnf grammar.
{code}
<timestamp literal> ::= TIMESTAMP <timestamp string>
<timestamp string> ::= <quote> <unquoted timestamp string> <quote>
{code}
> Timestamp literal support
> -------------------------
>
> Key: TAJO-437
> URL: https://issues.apache.org/jira/browse/TAJO-437
> Project: Tajo
> Issue Type: Sub-task
> Components: operator/expression, parser
> Reporter: Hyunsik Choi
> Priority: Minor
> Labels: newbie
> Fix For: 0.8-incubating
>
>
> Timestamp literal represents timestamp constant. It has the following bnf grammar.
> {code}
> <timestamp literal> ::= TIMESTAMP <timestamp string>
> <timestamp string> ::= <quote> <unquoted timestamp string> <quote>
> <unquoted timestamp string> ::= <unquoted date string> <space> <unquoted time string>
> <unquoted date string> ::= <date value>
> <unquoted time string> ::= <time value> [ <time zone interval> ]
> <date value> ::= <years value> <minus sign> <months value> <minus sign> <days value>
> <time value> ::= <hours value> <colon> <minutes value> <colon> <seconds value>
> <time zone interval> ::= <sign> <hours value> <colon> <minutes value>
> {code}
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