Re: Timestamp with vs without time zone. - Mailing list pgsql-general

From Adrian Klaver
Subject Re: Timestamp with vs without time zone.
Date
Msg-id 2b5872f2-502d-369f-3dd6-1f7907883bfc@aklaver.com
Whole thread Raw
In response to Timestamp with vs without time zone.  (Tim Uckun <timuckun@gmail.com>)
Responses Re: Timestamp with vs without time zone.  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
On 9/20/21 11:00 PM, Tim Uckun wrote:
> I am hoping to get some clarification on timestamp with time zone.
> 
> My understanding is that timestamp with time zone stores data in UTC
> but displays it in your time zone.  Does this also work on queries? If
> I query between noon and 2:00 PM on some date in time zone XYZ does pg
> translate the query to UTC before sending it to the server?
> 

> So does the database know the timestamp is in auckland time when the
> client is connecting from a server on UTC?

My question would be why does it matter? The whole purpose of 
timestamptz is that you know it is stored as UTC, from there you can 
transform to whatever time zone you want.



-- 
Adrian Klaver
adrian.klaver@aklaver.com



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