Re: Freezing localtimestamp and other time function on some value

From: Rakesh Kumar <rakeshkumar464a3(at)gmail(dot)com>
To: Alex Ignatov <a(dot)ignatov(at)postgrespro(dot)ru>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Freezing localtimestamp and other time function on some value
Date: 2016-04-12 12:13:16
Message-ID: CAJBB=EUx3uJe5WUSXDWDugztSQBhBSp5pD1rh2o+1Tdyx_eRNQ@mail.gmail.com
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I think PG does fixed time within a tran. check the output of the following sql

begin;
select now() ;
select pg_sleep(10);
select now() ;
commit;
select now() ;
select pg_sleep(10);
select now() ;
~

On Tue, Apr 12, 2016 at 6:50 AM, Alex Ignatov <a(dot)ignatov(at)postgrespro(dot)ru> wrote:
> Hello!
> Is there any method to freeze localtimestamp and other time function value.
> Say after freezing on some value sequential calls to these functions give
> you the same value over and over again.
> This is useful primarily for testing.
>
> In oracle there is alter system set fixed_date command. Have Postgres this
> functionality?
>
> --
> Alex Ignatov
> Postgres Professional: http://www.postgrespro.com
> The Russian Postgres Company
>
>
>
> --
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