Re: Timezone database changes - Mailing list pgsql-hackers

From Kevin Grittner
Subject Re: Timezone database changes
Date
Msg-id 470B4EF4.EE98.0025.0@wicourts.gov
Whole thread Raw
In response to Re: Timezone database changes  (Magne Mæhre <Magne.Mahre@Sun.COM>)
List pgsql-hackers
>>> On Tue, Oct 9, 2007 at  6:49 AM, in message
<470B6AD4.6080502@sun.com>, Magne
Mæhre <Magne.Mahre@Sun.COM> wrote: 
> 
> Interestingly, if you cast a TIMESTAMP WITH TIME ZONE to a character

> value, it should be converted with the _original_ time zone value
(SQL 
> 2003, *5.8) _unless_ you specify "AT LOCAL".
A lot of the ANSI/ISO behavior is broken if TIMESTAMP WITH TIME ZONE
does
not include the time zone.  One of the least standards compliant areas
of
PostgreSQL is the date/time arithmetic; but any attempt to implement
the
standard date math will fail until the time zone is part of the WITH
TIME
ZONE data types.
-Kevin



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