Re: Allow LISTEN on patterns

From: Trey Boudreau <trey(at)treysoft(dot)com>
To: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Cc: Aleksander Alekseev <aleksander(at)timescale(dot)com>, Quan Zongliang <quanzongliang(at)yeah(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Re: Allow LISTEN on patterns
Date: 2025-03-05 17:13:23
Message-ID: 59FCA2FE-80BB-46D4-9B8B-0BBB40D24FF9@treysoft.com
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> On Mar 5, 2025, at 10:42 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Anyway, I encourage reading some of the past threads on this
> topic.
>
I didn’t see any past references to the pg_notify() ‘anomaly’:

LISTEN FOO;
NOTIFY FOO, ‘BAR’; -- notification delivered
PERFORM pg_notify(‘FOO’, ‘BAR’); -- notification NOT delivered
PERFORM pg_notify(‘foo’, ‘BAR’); -- notification delivered

Can we come to some agreement on if we should consider this a bug?

— Trey

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