Date: Sat, 29 May 2021 11:08:16 -0400
From: Bruce Momjian <bruce@momjian.us>
To: dave@davebolt.co.uk
Cc: 'Julien Rouhaud' <rjuju123@gmail.com>, mustafa.pekgoz@forenda.com.tr,
	'Pgsql-admin' <pgsql-admin@lists.postgresql.org>
Subject: Re: equivalent of @@TRANCOUNT PostgreSQL
Message-ID: <20210529150816.GB23127@momjian.us>
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On Sat, May 29, 2021 at 03:34:41PM +0100, dave@davebolt.co.uk wrote:
> @@TRANCOUNT: Transaction count.
> 
> How many transactions are open at the moment.
> 
> I’m not seeing anything that looks appropriate. As far as I can see it might be
> possible to do something using the Statistics Collector, see https://
> www.postgresql.org/docs/13/monitoring-stats.html
> 
> Hope someone knowledgeable on PostgreSQL will have an answer.
> 
> I did find this from 2006. https://www.postgresql.org/message-id/
> eg5op3$ria$1@sea.gmane.org

Uh, the only way I know to do that is to query pg_stat_activity like
this:

	SELECT *
	FROM pg_stat_activity
	WHERE state != 'idle' AND backend_type = 'client backend';

However, the purpose of why you are using these values probably is not
going to translate to Postgres easily.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  If only the physical world exists, free will is an illusion.