If you are a SQL programmer, learning recursive SQL techniques can be a boon to your productivity. A recursive query is one that refers to itself. I think the best way to quickly grasp the concept of ...
-- 1. Redefinir funções com SECURITY DEFINER e search_path explícito para evitar recursão -- O search_path = public garante que as tabelas sejam encontradas, -- e SECURITY DEFINER faz a função rodar ...