Re: Convert TimeStamp to Date

>Yep ... looks like it got broken in >7.3.
>7.2.4 works fine, but 7.3 (and CVS tip) >doesn't.

>This is because in 7.2, timestamp_date >() and timestamptz_date ()
do the
>same thing -
>convert the time to Julian date and >then subtruct the offset for
Y2K,
>and both work.

>In 7.3 (and 7.4) timestamptz_date () is >still doing that (and
select
>'1999-12-31 >00:00:01'::timestamptz::date still >works),
>*but* timestamp_date() is changed for >some reason to just divide
the
>timestamp by the number of microseconds >per day, that is obviously
wrong
>for the case when ts is negative >(before 2000) because integer
division
>(unlike floor ())  truncates towards >zero...

Thank you and everybody else. This explains it.

But still, is there a solution other than casting a timestamp to
timestamptz and then to date? Because I major concern is
performance.(and I probably can't change to another version) Thanks.

LS