Hello
I am testing NOTIFY statement. It have to be used from plpgsql via
EXECUTE, because doesn't support paramaters.
Can be it documented somewhere?
create or replace function foo(a varchar)
returns void as $$
begin
execute 'notify xxx, ' || quote_literal(a);
return;
end;
$$ language plpgsql;
CREATE FUNCTION
Time: 2,513 ms
pa...@postgres:5432=# select foo('pavel');
foo
-----
(1 row)
Time: 31,732 ms
pa...@postgres:5432=# listen xxx;
LISTEN
Time: 0,271 ms
pa...@postgres:5432=# select foo('pavel');
foo
-----
(1 row)
Time: 436,058 ms
Asynchronous notification "xxx" with payload "pavel" received from
server process with PID 4730.
pa...@postgres:5432=#
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