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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2014/06/18 15:58:04 UTC
[jira] [Assigned] (SOLR-6168) CollapsingQParserPlugin ranks
incorrectly when 3 or more sort params are used
[ https://issues.apache.org/jira/browse/SOLR-6168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joel Bernstein reassigned SOLR-6168:
------------------------------------
Assignee: Joel Bernstein
> CollapsingQParserPlugin ranks incorrectly when 3 or more sort params are used
> -----------------------------------------------------------------------------
>
> Key: SOLR-6168
> URL: https://issues.apache.org/jira/browse/SOLR-6168
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.7.1, 4.8.1
> Reporter: Umesh Prasad
> Assignee: Joel Bernstein
> Attachments: SOLR-6168-broken-multi-sort-test-case.patch
>
>
> CollapsingQParser Plugin ranks documents incorrectly when more than 2 sort fields are used.
> I have attached a test case, which demonstrates the broken behavior when 3 sort fields are used.
> The failing test case patch is against Lucene/Solr 4.8.1 revision number 1603061
> PS : SOLR-5408 fixed the issue with sorting only for two sort fields, by allowing one to specify max/min=<field-name>. However that requires 2nd sort field to be a numeric field. It will not work with string field or function query sort.
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