> ... > Don't you think this would be a nice feature for Lucene? Can't say I've ever missed it, and haven't noticed others asking for it. You need to remember that lucene is not a database.
> The Lucene query syntax has not changed much over the past few years. Are > there any plans to broaden its capabilities? Not that I know of, but I wouldn't really know. -- Ian. > On 2012/01/23 2:21 PM, Ian Lea wrote: >> >> I guess you could do it in a custom Collector. They get passed >> readers and docids so you could do the lookups and comparison. There >> will be performance implications that you may be able to minimise via >> FieldCache. >> >> Storing the result in the index sounds much more sensible. >> >> >> -- >> Ian. >> >> >> On Mon, Jan 23, 2012 at 10:33 AM, Jamie<ja...@stimulussoft.com> wrote: >>> >>> Hi Everyone >>> >>> I have a problem where I need to compare two indexed fields as part of a >>> query. >>> >>> For instance: modified_date[1970 to 2012] AND NOT >>> deleted_date>modified_date >>> >>> how would one implement this using Lucene? >>> >>> Bear in mind, I need a dynamic way of accomplishing this comparison. >>> >>> In my case, it is not possible to store the result of >>> deleted_date>modified_date at the time of indexing. >>> >>> Thanks >>> >>> Jamie --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
