Re: timestamp (military) at time zone without the suffix - Mailing list pgsql-general

From Tom Lane
Subject Re: timestamp (military) at time zone without the suffix
Date
Msg-id 5402.1531338876@sss.pgh.pa.us
Whole thread Raw
In response to timestamp (military) at time zone without the suffix  (David Gauthier <davegauthierpg@gmail.com>)
List pgsql-general
David Gauthier <davegauthierpg@gmail.com> writes:
> sqfdev=> select now()::timestamp(0) at time zone 'utc' ;
>         timezone
> ------------------------
>  2018-07-11 11:27:12-04
> (1 row)

You're doing it wrong: coercing to timestamp already involves a rotation
to local time, and then "at time zone" says to interpret that as a time
in UTC, and the output is a timestamptz which will be displayed in your
local time.

I think the result you want is more like

    select (now() at time zone 'utc')::timestamp(0);

although personally I'd choose some other way of dropping the fractional
second, probably

    select current_timestamp(0) at time zone 'utc';

            regards, tom lane


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