libpq - PQsendQuery wait for complete result

I'm having problem with libpq's *PQexec* function hanging on intermittent
connections.
After searching around, the solution seems to be to use the asynchronous
functions *PQsendQuery*/*PQgetResult* and implement your own timeout.

Now the issue I'm facing is that *PQgetResult* needs to be called multiple
times until it returns *null* and then you know it's done.
However, the rest of my application expects a single *PQresult* object per
query.

So my question is:

*A.* Is there a way to concatenate/join the multiple *PQresults*?
*B. *Can I somehow use *PQisBusy* & *PQconsumeInput* to wait until all the
results are ready before calling *PQgetResult*?

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