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To: java-user@lucene.apache.org
Subject: Re: More questions on BlockJoinQuery
Date: Wed, 20 Feb 2013 10:48:22 -0500
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From: Chris Bamford <chris.bamford@talktalk.net>
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=0A=20Thanks=20Mike.=0AI=20have=20downloaded=20the=20source=20tarball=20for=204.=
1.0=20and=20have=20tried=20to=20get=20it=20working,=20but=20am=20having=20a=20fe=
w=20problems=20getting=20it=20to=20fit=20with=20my=20environment=20(intelliJ=20/=
=20Maven).=0AWhere=20is=20the=20best=20forum=20to=20discuss=20such=20issues?=0A=0A=
Chris=0A=0A=20=0A=0A=20=0A=0A-----Original=20Message-----=0AFrom:=20Michael=20Mc=
Candless=20<lucene@mikemccandless.com>=0ATo:=20java-user@lucene.apache.org=0ASen=
t:=20Tue,=2012=20Feb=202013=2015:17=0ASubject:=20Re:=20More=20questions=20on=20B=
lockJoinQuery=0A=0A=0AOn=20Tue,=20Feb=2012,=202013=20at=207:43=20AM,=20Chris=20B=
amford=0A<chris.bamford@talktalk.net>=20wrote:=0A=0A>>=20Could=20you=20please=20=
send=20this=20to=20the=20java-user@lucene.apache.org=20list?=0A>=0A>=20I=20thoug=
ht=20I=20did!=20=20:-)=20=20Here=20it=20is=20again:=0A=0ADuh,=20my=20bad=20:)=20=
=20You=20are=20right!=0A=0AI=20saw=20the=20"Hi=20Mike"=20and=20stopped=20there!=0A=
=0AResponses=20below:=0A=0A>=20I=20have=20a=20question=20about=20your=20post=20"=
Searching=20relational=20content=20with=20Lucene's=0A>=20BlockJoinQuery"=0A>=20(=
http://blog.mikemccandless.com/2012/01/searching-relational-content-with.html).=0A=
>=20I=20am=20actually=20trying=20to=20use=20Lucene=204.0.0,=20so=20am=20having=20=
to=20translate=20your=20=0Aexample=20to=0A>=20the=20newer=20ToParentBlockJoinQue=
ry=20/=20ToChildBlockJoinQuery=20APIs.=20=20I=20have=20had=20=0Asome=20success,=0A=
>=20but=20my=20ultimate=20goal=20of=20combining=20the=20info=20from=20both=20chi=
ld=20and=20parent=20hits=20is=20=0Aeluding=0A>=20me.=20=20I=20=20suspect=20I=20a=
m=20missing=20something,=20but=20as=20yet=20haven't=20figured=20out=20what!=0A>=0A=
>=20In=20this=20scenario,=20let's=20say=20I=20have=20the=20following=20relations=
hip:=0A>=0A>=20child=201=20:=20=20=20ref:"100",=20content:"child=201",=20type:"C=
"=0A>=20child=202=20:=20=20=20ref:"200",=20content:"child=202",=20type:"C"=0A>=20=
child=203=20:=20=20=20ref:"300",=20content:"child=203",=20type:"C"=0A>=20parent=20=
=20:=20=20=20ref:"400",=20content:"parent",=20type:"P"=0A>=0A>=20When=20one=20or=
=20more=20children=20are=20hit,=20I=20want=20that=20to=20be=20noted=20against=20=
the=20parent,=0A>=20so=20ultimately=20I=20can=20create=20a=20result=20object=20l=
ike:=0A>=0A>=20Result{=20ref:400,=20content:"parent",=20matches:=20[100,=20300]=20=
}=20=20//=20children=201=20&=203=0A>=20were=20hit=0A>=0A>=20I=20have=20followed=20=
your=20example=20closely=20just=20replacing=20BlockJoinQuery=20with=0A>=20ToPare=
ntBlockJoinQuery=20and=20BlockJoinCollector=20with=20ToParentBlockJoinCollector.=
=0A>=20Unfortunately=20I=20seem=20to=20be=20able=20to=20get=20either:=0A>=0A>=20=
Just=20the=20parent=20objects=20(with=20td=3Ds.search(q,=2010))=20or=20just=20th=
e=20children=20(with=20=0Athe=0A>=20Collector),=20=20but=20not=20both!=0A>=0A>=20=
Am=20I=20to=20call=20search()=20twice=20(one=20returning=20TopDocs=20and=20the=20=
other=20GroupDocs=20via=0A>=20the=20Collector)=20and=20join=20them=20myself?=20=20=
Or=20does=20one=20of=20these=20calls=20return=20me=20=0Aboth=0A>=20types=20of=20=
documents,=20grouped=20and=20sorted?=0A=0AYou=20should=20only=20call=20IndexSear=
cher.search=20once,=20but=20you=20should=20pass=0Ayour=20ToParentBlockJoinCollec=
tor=20instance=20IS.search(query,=20collector),=0Aand=20then=20you=20call=20coll=
ector.getTopGroups=20to=20get=20the=20parent=20&=20children.=0A=0AMaybe=20have=20=
a=20look=20@=20the=20unit=20test=20to=20get=20ideas?=0A=0A=20=20https://svn.apac=
he.org/repos/asf/lucene/dev/branches/lucene_solr_4_1/lucene/join/src/test/org/ap=
ache/lucene/search/join/TestBlockJoin.java=0A=0ABTW=20you=20should=20upgrade=20t=
o=204.1.0!=0A=0AMike=20McCandless=0A=0Ahttp://blog.mikemccandless.com=0A=0A-----=
----------------------------------------------------------------=0ATo=20unsubscr=
ibe,=20e-mail:=20java-user-unsubscribe@lucene.apache.org=0AFor=20additional=20co=
mmands,=20e-mail:=20java-user-help@lucene.apache.org=0A=0A=0A=20=0A
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