On 25/01/07, 头太晕 <torrycn at gmail.com> wrote: > Enquire::set_collapse_key() maybe do that. You'd have to run a query for that to be useful, and it seems to me you'd have to run a lot of queries, or ask for an enormous number of results from a single query. So I think that's probably not going to be the best approach. Cheers, Olly