Thanks for the reply. I actually implemented what you suggested - storing lower case fields - earlier today and it works quite nicely.
I'll certainly review my use of the Field.Text. IAP --- Erik Hatcher <[EMAIL PROTECTED]> wrote: > Ian - I'll look into this issue in more detail as soon as I can, > but > one reasonable approach is to add a special field designed for > sorting that has all case normalized to either all upper or all > lower > such that sorting is case insensitive. Note that Field.Text is not > a > good choice for sorting, as it is highly likely there would be > multiple terms for that field which does not work with sorting. > See > the javadocs for Sort: > > > http://lucene.apache.org/java/docs/api/org/apache/lucene/search/ > Sort.html > > So given this, a think a special field for sorting that has been > lowercased but uses a non-tokenized but indexed field type is the > best choice. > > Erik > > On Jul 6, 2005, at 1:46 PM, ian parkin wrote: > > > Hello Folks, > > > > Previously, I was using version 1.3 of Lucene that had no complex > > sorting abilities, so I wrote my own code to do this using a > TreeMap > > and Comparator. The sorting was basically lower case comparisons > of > > strings with a few extra little tweaks here and there. > > > > This past weekend I upgraded to 1.4.3 of Lucene and am looking > for > > some help with custom sorting code. > > > > My application stores a couple of mixed-case text fields 'author' > and > > 'title' as Field.Text and I would like to sort on these fields in > a > > case insensitive manner. > > > > I have been looking at the DistanceComparatorSource example in > the > > 'Lucene In Action' book and have been trying to adapt that to my > > humble needs, but so far no luck. For some reason, I just can't > get > > my head round the example in order to tailor it to my needs. > > > > Does anyone have any example ComparatorSource code that sorts > strings > > ignoring the case ? > > > > Thanks > > > > IAP > > > > __________________________________________________ > > Do You Yahoo!? > > Tired of spam? Yahoo! Mail has the best spam protection around > > http://mail.yahoo.com > > > > > --------------------------------------------------------------------- > > 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] > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
