Files
dc-project/resources/functions/follow/unfollow.sql

16 lines
428 B
PL/PgSQL

create or replace function unfollow(reference regclass, target_id uuid, citizen_id uuid) returns void
language plpgsql as
$$
declare
_citizen_id alias for citizen_id;
_target_id alias for target_id;
begin
delete
from follow f
where f.citizen_id = _citizen_id
and f.target_id = _target_id
and f.target_reference = reference;
end;
$$;
-- drop function if exists unfollow(regclass, uuid, uuid);