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Re: Freezing localtimestamp and other time function on some value

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On 12.04.2016 15:13, Rakesh Kumar wrote:
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.ignatov@xxxxxxxxxxxxxx> 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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Hi!
It is not about localtimestamp in transactions. It is about global localtimestamp value for all session new and existed no matter inside transaction or outside.

--
Alex Ignatov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company



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