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From "bronco (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2817) Search result with grouping activated delivers wrong numFound value and breaks pager.
Date Thu, 13 Oct 2011 08:21:11 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13126425#comment-13126425
] 

bronco commented on SOLR-2817:
------------------------------

Yes I had the same Idea and would subscribe this feature. I had some talks with the guys from
Drupal and they want to extend their search with this feature and they asked me if  I could
make a patch for this. Before I want to start I think it would be good to get in touch with
the other developers, so I contacted the developers of the apache solr php library. As I understand
he offers me a plugin system for additional code parsing. This would be great specially if
yout extend the grouping function. So we have several chances to make the modules play nce
together. Independent from the group.main.numFound.grouped=true this is still a good idea.
                
> Search result with grouping activated delivers wrong numFound value and breaks pager.
> -------------------------------------------------------------------------------------
>
>                 Key: SOLR-2817
>                 URL: https://issues.apache.org/jira/browse/SOLR-2817
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 3.4
>            Reporter: bronco
>            Priority: Blocker
>              Labels: grouping, solr
>             Fix For: 3.4
>
>
> I use the 3.4 brach of solr for grouping my results, but obviously there is something
wrong in my eyes. If I activate the grouping functionality I get the expected results. In
my case for example 4 rows, but the the numFound value says it has 26 results. 
> This result is used by the Apache Solr Library in Drupal to calculate the correct pager
on my website. Now I get a search result page with 4 results and a confused pager with 3 more
steps to not existing search pages.
> I try a lot of things including using a facet and all the other suggested things by google
but I couldn't change the numFound value to the correct one in my case.
> If I not use the group.main=true setting including a facet I get in the facet conclusion
the correct values of found results but it also say matches 6 (numFound=6). The Apache Solr
Library make it nesessary to use the group.main=true setting because without this value the
library is not able to parse the resultset. So I get always an empty website without any results
even solr answers correctly.
> Is it somehow possible to change the numFound value to the correct one of the group count
result. I think nobody groups a field and shows maybe 10 entries which belong to the request
and tell the user we have 200 other things which are not interesting you. But I have to tell
you... 
> Any help is apreciated to get some understanding why solr delivers me this numFound result
and how to fix this issue.

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