>> As I understand from the manual, the LISTEN and NOTIFY SQL commands require
>> to poll the database to retrieve the notification events...?
>
> No, they don't.
Thanks for the reply. :-)
I read the manual again and now I understand that it's the libpq client
library which requires polling a function to retrieve the notifications
received from the server. Is there no way to tell the library "please call me
when a notification arrives"?
P.S.: I'm accessing PostgreSQL from Python if this matters, any of the Python
modules for PostgreSQL access is ok for me instead of libpq.
TIA,
Sincerely,
Wolfgang Keller
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