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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: More questions on BlockJoinQuery
Date Wed, 20 Feb 2013 16:54:19 GMT
The Lucene src.tgz does not contain the top-level and dev-tools folders. Those are only in
SVN.

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de


> -----Original Message-----
> From: Chris Bamford [mailto:chris.bamford@talktalk.net]
> Sent: Wednesday, February 20, 2013 5:45 PM
> To: java-user@lucene.apache.org
> Subject: Re: More questions on BlockJoinQuery
> 
> 
>  Thanks Steve, sounds very useful.  These are my steps:
> 
> tar xzvf ~/Downloads/lucene-4.1.0-src.tgz cd lucene-4.1.0 ant ant idea
> 
> This last step fails with:
> 
>   Buildfile: /Users/cbamford/projects/lucene-4.1.0/build.xml
> 
>   BUILD FAILED
>   Target "idea" does not exist in the project "lucene".
> 
>   Total time: 0 seconds
> 
> 
> What have I done wrong?
> 
> Thanks!
> 
> - Chris
> 
> 
> 
> -----Original Message-----
> From: Steve Rowe <sarowe@gmail.com>
> To: java-user@lucene.apache.org
> Sent: Wed, 20 Feb 2013 16:29
> Subject: Re: More questions on BlockJoinQuery
> 
> 
> Hi Chris,
> 
> This mailing list is fine for discussing IntelliJ and Maven issues as they relate to
> Lucene.
> 
> You'll need Ant v1.8.2+ to bootstrap things.
> 
> 'ant idea' at the top level will produce an IntelliJ project you can open - see
> <http://wiki.apache.org/lucene-java/HowtoConfigureIntelliJ> for more info.
> 
> For some treatment of Maven issues, see dev-
> tools/maven/README.maven.
> 
> Steve
> 
> On Feb 20, 2013, at 10:48 AM, Chris Bamford <chris.bamford@talktalk.net>
> wrote:
> 
> >
> > Thanks Mike.
> > I have downloaded the source tarball for 4.1.0 and have tried to get
> > it
> working, but am having a few problems getting it to fit with my environment
> (intelliJ / Maven).
> > Where is the best forum to discuss such issues?
> >
> > Chris
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: Michael McCandless <lucene@mikemccandless.com>
> > To: java-user@lucene.apache.org
> > Sent: Tue, 12 Feb 2013 15:17
> > Subject: Re: More questions on BlockJoinQuery
> >
> >
> > On Tue, Feb 12, 2013 at 7:43 AM, Chris Bamford
> > <chris.bamford@talktalk.net> wrote:
> >
> >>> Could you please send this to the java-user@lucene.apache.org list?
> >>
> >> I thought I did!  :-)  Here it is again:
> >
> > Duh, my bad :)  You are right!
> >
> > I saw the "Hi Mike" and stopped there!
> >
> > Responses below:
> >
> >> I have a question about your post "Searching relational content with
> >> Lucene's BlockJoinQuery"
> >> (http://blog.mikemccandless.com/2012/01/searching-relational-content-
> with.html).
> >> I am actually trying to use Lucene 4.0.0, so am having to translate
> >> your
> > example to
> >> the newer ToParentBlockJoinQuery / ToChildBlockJoinQuery APIs.  I
> >> have had
> > some success,
> >> but my ultimate goal of combining the info from both child and parent
> >> hits is
> 
> > eluding
> >> me.  I  suspect I am missing something, but as yet haven't figured out
> what!
> >>
> >> In this scenario, let's say I have the following relationship:
> >>
> >> child 1 :   ref:"100", content:"child 1", type:"C"
> >> child 2 :   ref:"200", content:"child 2", type:"C"
> >> child 3 :   ref:"300", content:"child 3", type:"C"
> >> parent  :   ref:"400", content:"parent", type:"P"
> >>
> >> When one or more children are hit, I want that to be noted against
> >> the
> parent,
> >> so ultimately I can create a result object like:
> >>
> >> Result{ ref:400, content:"parent", matches: [100, 300] }  // children
> >> 1 & 3 were hit
> >>
> >> I have followed your example closely just replacing BlockJoinQuery
> >> with ToParentBlockJoinQuery and BlockJoinCollector with
> ToParentBlockJoinCollector.
> >> Unfortunately I seem to be able to get either:
> >>
> >> Just the parent objects (with td=s.search(q, 10)) or just the
> >> children (with
> > the
> >> Collector),  but not both!
> >>
> >> Am I to call search() twice (one returning TopDocs and the other
> >> GroupDocs
> via
> >> the Collector) and join them myself?  Or does one of these calls
> >> return me
> > both
> >> types of documents, grouped and sorted?
> >
> > You should only call IndexSearcher.search once, but you should pass
> > your ToParentBlockJoinCollector instance IS.search(query, collector),
> > and then you call collector.getTopGroups to get the parent & children.
> >
> > Maybe have a look @ the unit test to get ideas?
> >
> >
> >
> https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_4_1/l
> > ucene/join/src/test/org/apache/lucene/search/join/TestBlockJoin.java
> >
> > BTW you should upgrade to 4.1.0!
> >
> > Mike McCandless
> >
> > http://blog.mikemccandless.com
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> > For additional commands, e-mail: java-user-help@lucene.apache.org
> >
> >
> >
> 
> 
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> 
> 
> 


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