On 1/23/14 11:41 AM, Paul Linehan wrote:
0000-00-00
00:00:00'
Hi Paul,

I see that the Reference Manual does not state that the year, month, and day fields of the timestamp must be positive integers. The following script shows this behavior:

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;

Maybe the meaning of that MySQL timestamp is supposed to be equivalent to null?

Hope this helps,
-Rick

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