Hi, I recently upgraded to 4.7, with the aim of replacing group queries with CollapsingQParserPlugin. As I'm comparing results between the two APIs, CollapsingQParserPlugin seems to be way off, in terms of relevancy and result count. Here's an example :
*Group query* http://test-dev.mydomain.com/solr/adskhelpportal?fq=language:(english)&wt=xml&rows=40&start=0&fq=(ContentGroup-local:"Learn & Explore" OR ContentGroup-local:"Getting Started" OR ContentGroup-local:"Troubleshooting")&fq=Product:"PRD"&q=line&sort=score desc&group=true&group.field=ADSKDedup&group.ngroups=true&fl=title,ADSKDedup,score&debugQuery=true /Top 4 results/ <lst name="grouped"> <lst name="ADSKDedup"> <int name="matches">14593</int> <int name="ngroups">*13648*</int> <arr name="groups"> <lst> <str name="groupValue">fbfef4647e68c2300eba99028f2598a9</str> <result name="doclist" numFound="1" start="0"> <doc> <str name="ADSKDedup">fbfef4647e68c2300eba99028f2598a9</str> <arr name="title"> <str>LINE</str> </arr> <float name="score">8.517085</float> </doc> </result> </lst> <lst> <str name="groupValue">GUID-E8C1190C-A26C-484C-ADDD-DDF81666F69F</str> <result name="doclist" numFound="3" start="0"> <doc> <arr name="title"> <str>LINE (Command)</str> </arr> <str name="ADSKDedup">GUID-E8C1190C-A26C-484C-ADDD-DDF81666F69F</str> </doc> </result> </lst> <lst> <str name="groupValue">GUID-695722CD-A131-48DB-9AB8-162F0832FE04</str> <result name="doclist" numFound="4" start="0"> <doc> <str name="ADSKDedup">GUID-695722CD-A131-48DB-9AB8-162F0832FE04</str> <arr name="title"> <str>About Controlling Extension Lines</str> </arr> <float name="score">5.1433907</float> </doc> </result> </lst> <lst> <str name="groupValue">GUID-9084DAC2-D5B7-4727-A443-205007A79440</str> <result name="doclist" numFound="4" start="0"> <doc> <arr name="title"> <str>About Controlling Dimension Lines</str> </arr> <str name="ADSKDedup">GUID-9084DAC2-D5B7-4727-A443-205007A79440</str> <float name="score">5.1361656</float> </doc> </result> </lst> *CollapsingQParserPlugin query* http://test-dev.mydomain.com/solr/adskhelpportal?fq=language:(english)&wt=xml&rows=15&start=0&fq=(ContentGroup-local:"Learn & Explore" OR ContentGroup-local:"Getting Started" OR ContentGroup-local:"Troubleshooting")&fq=ProductLine:"PRD"&q=line&sort=score desc&fq={!collapse field=ADSKDedup}&fl=title,ADSKDedup,score&debugQuery=true /Top 4 results/ <result name="response" numFound="27142" start="0" maxScore="8.517085"> <doc> <str name="ADSKDedup">fbfef4647e68c2300eba99028f2598a9</str> <arr name="title"> <str>LINE</str> </arr> <float name="score">8.517085</float> </doc> <doc> <str name="ADSKDedup">GUID-57CDDB6C-B12B-46CE-B9C5-22EFC17258FF</str> <arr name="title"> <str>To Draw Lines</str> </arr> <float name="score">6.276938</float> </doc> <doc> <arr name="title"> <str>Draw Lines</str> </arr> <str name="ADSKDedup">98b4a0e39400f0a216ff51a89922ce82</str> <float name="score">6.224089</float> </doc> <doc> <str name="ADSKDedup">4e51abdc0e8d30e77069505d93c1d4d4</str> <arr name="title"> <str>Lines Tab</str> </arr> <float name="score">6.210026</float> </doc> As you can see, the results are completely off, except for the first one. Moreover, the number of results returned are different as well. Group query has 13648 results which CollapsingQParserPlugin returns 27142, almost twice the size. I'm little baffled why the two APIs are returning different results for the same query. Are they fundamentally different ? Any pointers will be appreciated. -Thanks, Shamik -- View this message in context: http://lucene.472066.n3.nabble.com/CollapsingQParserPlugin-returning-different-result-set-tp4123716.html Sent from the Solr - User mailing list archive at Nabble.com.
