On 21/12/2024 05:23, Tom Lane wrote:
> Vik Fearing <vik@postgresfriends.org> writes:
>> Could I perhaps propose a sort of wildmat[1] syntax?
>> The above sequence could be expressed simply as:
>> LISTEN *,!foo.*,foo.bar.*
> That doesn't absolve you from having to say what happens if the
> user then issues another "LISTEN zed" or "UNLISTEN foo.bar.baz"
> command. We can't break the existing behavior that "LISTEN foo"
> followed by "LISTEN bar" results in listening to both channels.
> So on the whole this seems like it just adds complexity without
> removing any. I'm inclined to limit things to one pattern per
> LISTEN/UNLISTEN command, with more complex behaviors reached
> by issuing a sequence of commands.
Fair enough.
--
Vik Fearing
