Dmitriy Igrishin <dmitigr@gmail.com> writes:
> Is it guaranteed that functions, which accept PGconn* (PGresult*)
> properly works if PGconn* (PGresult*) is NULL or is it better to check
> on NULL the value of the pointer before calling those functions?
I think they all do check for NULL, but whether they give back a default
result that's useful for you is harder to say.
regards, tom lane
