Cory Tucker <cory.tuc...@gmail.com> writes:
> I'm interested in trying to figure out which channels have been subscribed
> to (using LISTEN). From what I could tell via a little Googling, there
> used to be a table named pg_catalog.pg_listener that contained all this
> information, but that seems to have disappeared somewhere in the 9.x
> release (I'm using 9.3.x).
> Is there a way to find out which channels have listeners?
No, not any more --- that capability was intentionally given up in the
9.0 LISTEN/NOTIFY rewrite. Not that it wouldn't be nice to have, but
the cost/benefit ratio was pretty awful.
regards, tom lane
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