Re: AGE function

Louise Catherine <r1c4n(at)yahoo(dot)com> writes:
> When I execute this statement :
> select AGE(TO_DATE('20041101','yyyymmdd'),
> TO_DATE('19991201','yyyymmdd'))

> at postgre 7.3.3, the result :
> age
> ---------------------
> 4 years 11 mons 1 day

With TimeZone set to 'Asia/Jakarta' on a Linux machine, I can reproduce
that behavior in 7.3.* but not 7.4 and later. I believe this is the
relevant change:

2004-12-01 14:57 tgl

* src/backend/utils/adt/timestamp.c (REL7_4_STABLE): Fix
timestamptz_age() to do calculation in local timezone not GMT, per
bug 1332.

and here is a link to the discussion that prompted the change:
http://archives.postgresql.org/pgsql-bugs/2004-12/msg00013.php

regards, tom lane