[jira] [Commented] (DERBY-6458) The Reference Manual should state that the year, month, and day components of a timestamp must be positive integers.

["Rick Hillegas (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-6458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13880426#comment-13880426 ] 

Rick Hillegas commented on DERBY-6458:
--------------------------------------

Thanks, Kim. Looks great. +1

> The Reference Manual should state that the year, month, and day components of a timestamp must be positive integers.
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-6458
>                 URL: https://issues.apache.org/jira/browse/DERBY-6458
>             Project: Derby
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions: 10.11.0.0
>            Reporter: Rick Hillegas
>            Assignee: Kim Haase
>         Attachments: DERBY-6458.diff, rrefsqlj27620.html
>
>
> There is no year 0, month 0, or day 0 in the notation scheme used by Derby timestamps. We should state this in the Reference Guide section titled "TIMESTAMP data type". The following script shows this:
> {noformat}
> connect 'jdbc:derby:memory:db;create=true';
> create table t( a timestamp );
> -- fails because year, month, and day must be positive integers
> insert into t values ( '0000-00-00 00:00:00' );
> insert into t values ( '0001-00-00 00:00:00' );
> insert into t values ( '0001-01-00 00:00:00' );
> -- succeeds
> insert into t values ( '0001-01-01 00:00:00' );
> select * from t;
> {noformat}



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