On 4 Aug 2009, at 13:09, Der Tung wrote:
But know I have two Users A and B in different timezones.
When A saves a timestamp I want B to:
- Get the timestamp displayed in his timezone
- Get the timestamp displayed in the timezone a originally
saved it in
Does the type “timestamp with time zone” contain the original
timezone or at least the offset to UTC it was saved in, or does it
just save the UTC time?
If it saves the timezone/offset, how can I access it?
No it doesn't, but if you store User A's timestamp as both a timestamp
with time zone and as timestamp witout time zone you should get just
the values you're looking for.
=> select cast(now() at time zone 'CEST' as timestamp without time
zone) at time zone 'GMT';
timezone
-------------------------------
2009-08-06 14:15:07.444748+02
(1 row)
=> select cast(now() at time zone 'CEST' as timestamp with time zone)
at time zone 'GMT';
timezone
---------------------------
2009-08-06 10:15:12.66097
(1 row)
Alban Hertroys
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