Re: Call a Normal function inside a Trigger Function

On 4/16/23 11:47, FOUTE K. Jaurès wrote:
> Can I have an example please? Or a link

create table trg_test (id integer, fld_1 varchar, fld_2 boolean);

CREATE OR REPLACE FUNCTION public.child_fnc(token character varying)
RETURNS void
LANGUAGE plpgsql
AS $function$
BEGIN
IF token = 'yes' THEN
RAISE NOTICE 'Child';
END IF;
END;
$function$
;

CREATE OR REPLACE FUNCTION public.parent_fnc()
RETURNS trigger
LANGUAGE plpgsql
AS $function$
BEGIN
RAISE NOTICE 'Id is %', NEW.id;
RAISE NOTICE 'Fld_1 is %', NEW.fld_1;
RAISE NOTICE 'Parent';
PERFORM child_fnc('yes');
RETURN NEW;
END;
$function$
;

create trigger test_trg before insert on trg_test for each row execute
function parent_fnc();

insert into trg_test values (1, 'dog', 'f');
NOTICE: Id is 1
NOTICE: Fld_1 is dog
NOTICE: Parent
NOTICE: Child
INSERT 0 1

>
> On Sun, 16 Apr 2023, 17:08 Pavel Stehule, <pavel(dot)stehule(at)gmail(dot)com
> <mailto:pavel(dot)stehule(at)gmail(dot)com>> wrote:
>
> Hi
>
>
> ne 16. 4. 2023 v 16:15 odesílatel FOUTE K. Jaurès
> <jauresfoute(at)gmail(dot)com <mailto:jauresfoute(at)gmail(dot)com>> napsal:
>
> Hello,
>
> Is it possible to call a function inside a trigger function ?
> Any idea or link are welcome. Thanks in advance
>
>
> sure, there is not any limit.
>
> Regards
>
> Pavel
>
>
> Best Regards
> --
> Jaurès FOUTE
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com