Thread: libpq

Hey all,<br /><div class="gmail_quote"><br />Is it guaranteed that functions, which accept PGconn* (PGresult*)<br
/>properlyworks if PGconn* (PGresult*) is NULL or is it better to check<br />on NULL the value of the pointer before
callingthose functions?<br /><br />Regards,<br /><font color="#888888">Dmitriy<br /><br /></font></div> 

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