Ver originalSELECT * FROM noticias nINNER JOIN amistad a ONn.id_user = a.id_userAWHERE a.id_userB = miUsuarioUNIONSELECT * FROM noticias nINNER JOIN amistad a ONn.id_user = a.id_userBWHERE a.id_userA = miUsuario