You can try to load the fieldcache: if you get the StringIndex from the fieldcache, the last element in the lookup array is the largest value (lexically) in the field.
-John On 6/7/05, sergiu gordea <[EMAIL PROTECTED]> wrote: > > > Kevin Burton wrote: > > > I have an index with a date field. I want to quickly find the minimum > > and maximum values in the index. > > > > Is there a quick way to do this? I looked at using TermInfos and > > finding the first one but how to I find the last? > > > > I also tried the new sort API and the performance was horrible :-/ > > > > Any ideas? > > You may keep a history of the MIN and MAX values in an external file. > Let's say, you can write in a text file the MIN_DATE and MAX_DATE, > and keep them up to date when indexing, deleting documents. > > Best, > > Sergiu > > > > > Kevin > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
