"alexandre :: aldeia digital" <alepaes(at)aldeiadigital(dot)com(dot)br> writes:
> I have 3 applications in windows and they
> starts 3 postgres backends.
> The 1st app. call the 2nd and this call the 3rd.
> In the same place of the 3rd backend, the query freeze.
> If I kill the second backend(or app.), the query is released...
I think your second backend is holding a lock that the third one needs.
regards, tom lane