New subject: Questions about the Lucene-plugin

9 May 2007

I think  it's impossible to do the paging properly under the conditions mentioned
below. So I have a flat results view but I've done some efforts for a compact and
easily customizable search results view, which has sorting and sort direction
functionality. If you want to have it you should also have my lucene-patches to support
sorting directions and to do AND-searches by default. 

If you want I can send these all to you but maybe somebody of the project team could
shortly comment these issues before. If there is a roadmap with the plugin I could also
offer myself to be a contributor. Lucene-plugin works 100X (well...almost) faster than
regular xwiki-searches and is at least at the moment the only possible choice in my
xwiki-environment. 

And by the way, many thanks for Ludovic and the whole team for great work! 

Regards,
Petteri

________________________________

Lähettäjä: Michael Guntli [mailto:michael.guntli@leica-geosystems.com]
Lähetetty: ke 9.5.2007 11:12
Vastaanottaja: xwiki-users(a)objectweb.org
Aihe: [xwiki-users] RE: Questions about the Lucene-plugin

I had the same problem with post-filtering the search results. (there were
not all results displayed, and that caused a problem in a paged view (ex.
just 10 out of 30 on page1, 15 of 30 on page2..)

Maybe you can improve my lucene search page macro?
http://www.xwiki.org/xwiki/bin/view/Code/LuceneSearchPage

petteri.karttunen wrote:
...

 About the "confusing" results: of course I can do some velocity- or groovy
 -post-processing on the page to filter out the duplicate document names
 from results. This is no problem if I want to show the results as one flat
 list but it becomes quite complicated to do efficiently if I want to show
 f.ex. 30 hits per page with paging. Basically I mean that all the index
 data holded by one page (page content, objects, attachments...) should be
 regarded as this page's properties and indexed under one lucenedoc. If I
 operationally have understood something incorrectly, please correct me.

 What do you think?

 -Petteri

 I'm testing the version RC1 and have some thoughts about the
 Lucene-plugin:

 Sorting
 -------
 At the moment there is no method in the API to choose between the sorting
 directions. I think there should be one.

 Boolean Queries
 ---------------
 Is the default query-type going to stay an ORed one? Should it better be
 an AND-query, like Google? I think most of the surfers expect that
 nowadays. At least there could be method to choose between them.

 Results
 -------
 Search results are a bit confusing now. When I search for a word that
 appears both in a document, in it's attachment and in it's object's
 properties I get three hits. One for each type. There a special cases, of
 course, but I think it would be more usable to get in my example case by
 default just one hit. There would still remain a method ("type: object")
 to distinguish between the types in a query.    

 If you like, I can provide patches for the two first (minor) issues.

 Regards,
 Petteri

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