Making a result of transaction visible to everyone, saving the ability for a rollback

From: Igor Katson <descentspb(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Making a result of transaction visible to everyone, saving the ability for a rollback
Date: 2009-02-11 09:58:53
Message-ID: 4992A15D.1020901@gmail.com
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I need to execute a rather complex plpgsql function on a production
server, the result of which is hard to test by myself.

I want to make the result of a transaction, in which this function is
executed, visible to the outer clients, but to have the ability of
making a rollback in case one of the clients says something went wrong.
Is it possible to do that?

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