When to send the next asyncronous query

hi tom,
    In asyncronous queries, after i send the first query, when should
i send the next query. Will adding the fd of postgrey to writefd in select
of c help.
Or how long do i need to wait before sending the next query.
Thanx in advance.

 On Mon, 30 Sep 2002, Tom Lane wrote:

> HK <harikrishnan@midascomm.com> writes:
> > 2)  In asynchronous queries, can i dispense with pqflush().
>
> You don't need PQflush() unless you are using the nonblocking mode
> (which I don't really recommend, as it has too many restrictions and
> bugs^H^H^H^Hweird behaviors).
>
>             regards, tom lane
>

--
regards,
hari