> Hi Pepak!
>
> There's nothing wrong with mixing approaches. I agree that two or three
> parametres would be about maximum if you wanted to make the best
> possible query in all circumstances. But what about making sure that at
> least one indexed field is specified completely so that the index can be
> used?

Hi!

It could be a good compromise indeed. My data could support this approach
reasonably well. I'll give it a try.

Thanks,

Pepak