Hi George, A field value needs to be indexed if you want to sort by it - see http://www.lucenebook.com/search?query=index+for+sorting .
As for null fields, you could use an empty string, or better yet, some "custom field value" that means "NULL" for your application. Otis --- George Abraham <[EMAIL PROTECTED]> wrote: > Hi, > I am using Lucene to index database content. I have two questions: > > 1. Along with some of the fields that I want indexed, there are some > fields that I want stored (not indexed) in the index so as to return > with hits. However I also want to be able to sort a search result > using these non-indexed fields. Which method should I use in the > Field > class then? > 2. As is usual with some database content, sometimes fields that have > to be indexed turn out to be null. Using the Keyword method, the > indexing procedure gives me an error that 'value cannot be null'. How > do I then go about this? > > Thanks, > George ____________________________________________________________________ Simpy -- simpy.com -- tags, social bookmarks, personal search engine --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]