Re: PQisBusy() always returns TRUE

ntinos@xxxxxxx · Sat, 15 Jan 2005 23:44:20 +0200

Martijn van Oosterhout writes: 

On Sat, Jan 15, 2005 at 09:50:35PM +0200, ntinos@xxxxxxx wrote:
PQconsumeInput(conn);        //Try to collect the results

while (PQisBusy(conn))       // while not ready ...

	PQconsumeInput(conn); //...retry  

res=PQgetResult(conn);       // Now get the results  

I belive if you're waiting in an event loop, you can use PQsocket() to
return the fd to use in select. Or if you're doing other work, do that
while you're waiting and check isBusy when you have time...

Well, I do use select() before calling PQconsumeInput, but I'm not sure what 
an event loop would be like.I have more than one (remotly executed) queries 
and I want to pick whatever results are available without being blocked (and 
even abord a delaying query), i.e. I do have other work to do. Having said 
that, I think that an event loop would be appropriate but I'm a little 
confused on its structure. Any pointers? 

Thanks,

Ntinos Katsaros 

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