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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Axel Rau <Axel.Rau@Chaos1.DE>
Cc: pgsql-sql@lists.postgresql.org
Subject: Re: Restrictions of channel arg of pg_notofy
Date: Sat, 27 Apr 2019 14:51:57 -0400
Message-ID: <28634.1556391117@sss.pgh.pa.us> (raw)
In-Reply-To: <023C223F-4FC9-4E9E-A8C6-17F491358FA7@Chaos1.DE>
References: <023C223F-4FC9-4E9E-A8C6-17F491358FA7@Chaos1.DE>

Axel Rau <Axel.Rau@Chaos1.DE> writes:
> Can the channel argument derived from the NEW pseudo arg of an INSERT TRIGGER?
> In the following trigger function, the
> 	PERFORM pg_notify(fac);
> does not work (LISTEN in psql shows no notification).

That should work.

I think more likely what you're running into is that the NOTIFY won't
be delivered until end of transaction?

			regards, tom lane





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