Thomas den Braber wrote on 11/13/12 10:47 AM: > Peter Karman wrote on 11/12/2012 5:46 PM
>> Swish-e does presort attributes, but rank/score is not one of them. That is >> always a per-search attribute. >> >> ISTR an email exchange about this back when I was first using KinoSearch >> (pre-Lucy), but I can't find it now. >> > > I never understood what the presorting in Swish-e was actually doing. Maybe > not that > interesting for Lucy users, but could you explain in a couple of lines? > Lucy pre-sorts field values at index time, using a different approach than Swish-e. But the idea is the same: pre-sorted field values are faster to return at search time. IIRC, the pre-sorting is done when you call optimize() on an Indexer. (Marvin, please correct my poor memory if I'm wrong there.) -- Peter Karman . http://peknet.com/ . [email protected]
