Thank you, Peter! Though I can not index them in a chronological order, I understand how it works. Phil.
----- Original Message ----- From: "Peter Carlson" <[EMAIL PROTECTED]> To: "Lucene Users List" <[EMAIL PROTECTED]> Sent: Tuesday, September 03, 2002 10:56 AM Subject: Re: Order by date > Phil, > > Lucene returns results in the same order as they were added to the > index. So if you want to sort by date, and only by date then add > documents to your index in chronological order. > > If you want to sort by more than one field, then one solution (and > probably the fastest) is to get all terms of a given field and sort > them along with their unique Lucene ID. Then, when you want to sort the > subset of results, so the sort yourself based on the ID without using > the index (using the index to get the values to sort will be much > slower then getting all the values first and storing them). This was > done in SearchBean in the contributions area if you want to see an > example. > > I hope this helps > > --Peter > > > On Monday, September 2, 2002, at 01:32 PM, Philipp Chudinov wrote: > > > Thank you, Terry. But I need to do it without additional classes or > > smth. > > I just can not understand the problem... I've tried to reindex the > > stuff > > with > > > > doc.add(Field.Keyword("_published", DateField.dateToString(date))); > > > > and to search with > > > > Query query = new RangeQuery(null, new Term("_published", > > DateField.dateToString(new java.util.Date())), true); > > DateFilter filter = DateFilter.Before("_published", new > > java.util.Date()); > > Hits hits = searcher.search(query, filter); > > > > maybe, I misunderstand how to use this filter? Does RangeQuery > > automatically > > order results by field? Looks like it should... people in the > > mailinglist > > says, that my first approach works well (when encoding date to string > > with > > pattern(yyyyMMdd), but iam still lobotomized;( > > Phil. > > > > ----- Original Message ----- > > From: "Terry Steichen" <[EMAIL PROTECTED]> > > To: "Lucene Users List" <[EMAIL PROTECTED]> > > Sent: Tuesday, September 03, 2002 1:16 AM > > Subject: Re: Order by date > > > > > >> Try Peter Carlson's SearchBean contribution. Check the messages - > >> there > > was > >> quite a bit of discussion on it. > >> > >> Regards, > >> > >> Terry > >> > >> ----- Original Message ----- > >> From: "Philipp Chudinov" <[EMAIL PROTECTED]> > >> To: "Lucene Users List" <[EMAIL PROTECTED]> > >> Sent: Monday, September 02, 2002 3:21 PM > >> Subject: Order by date > >> > >> > >>> Hi! > >>> How can I order search results by date? I just need to show n > >>> documents, > >>> ordered by date (desc). I index documents with > >>> > >>> doc.add(Field.Keyword("_published", new > >>> SimpleDateFormat("yyyyMMddHHmmss").format(date))); > >>> > >>> , so it gives something like "20020619165800" in this field. Then I > >>> use > >>> RangeQuery(null, currentdate(formatted the same way > >>> indexed("yyyyMMddHHmmss"), true). But results are not ordered > >>> properly. > >>> Looks like this: > >>> > >>> 20020619165800 > >>> 20020619165800 > >>> 20020619165800 > >>> 20020711170700 > >>> 20020711170700 > >>> 20020705131800 > >>> 20020705131800 > >>> 20020619165900 > >>> > >>> So, how can I order them? Should I write some kind of "DateFilter" > >>> (as > >>> suggested here > >>> > > http://www.mail-archive.com/lucene-user@jakarta.apache.org/ > > msg01266.html)? > >>> If so, can't anybody explane me, how can I do this, since I feel > >>> myself > > as > >> a > >>> lobotomized flatworm now:( > >>> > >>> Thanx. > >>> > >>> > >>> -- > >>> To unsubscribe, e-mail: > >> <mailto:[EMAIL PROTECTED]> > >>> For additional commands, e-mail: > >> <mailto:[EMAIL PROTECTED]> > >>> > >>> > >> > >> > >> -- > >> To unsubscribe, e-mail: > > <mailto:[EMAIL PROTECTED]> > >> For additional commands, e-mail: > > <mailto:[EMAIL PROTECTED]> > >> > > > > > > -- > > To unsubscribe, e-mail: > > <mailto:[EMAIL PROTECTED]> > > For additional commands, e-mail: > > <mailto:[EMAIL PROTECTED]> > > > > > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>