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Posted to dev@lucene.apache.org by "Hoss Man (JIRA)" <ji...@apache.org> on 2015/11/15 23:40:11 UTC
[jira] [Resolved] (SOLR-6168) enhance collapse QParser so that
"group head" documents can be selected by more complex sort options
[ https://issues.apache.org/jira/browse/SOLR-6168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hoss Man resolved SOLR-6168.
----------------------------
Resolution: Fixed
Assignee: Hoss Man (was: Joel Bernstein)
Fix Version/s: Trunk
5.4
Ref guide updated...
https://cwiki.apache.org/confluence/display/solr/Collapse+and+Expand+Results
> enhance collapse QParser so that "group head" documents can be selected by more complex sort options
> ----------------------------------------------------------------------------------------------------
>
> Key: SOLR-6168
> URL: https://issues.apache.org/jira/browse/SOLR-6168
> Project: Solr
> Issue Type: Improvement
> Affects Versions: 4.7.1, 4.8.1
> Reporter: Umesh Prasad
> Assignee: Hoss Man
> Fix For: 5.4, Trunk
>
> Attachments: CollapsingQParserPlugin-6168.patch.1-1stcut, SOLR-6168-group-head-inconsistent-with-sort.patch, SOLR-6168.patch, SOLR-6168.patch, SOLR-6168.patch, SOLR-6168.patch, SOLR-6168.patch
>
>
> The fundemental goal of this issue is add additional support to the CollapseQParser so that as an alternative to the existing min/max localparam options, more robust sort syntax can be used to sort on multiple criteria when selecting the "group head" documents used to represent each collapsed group.
> Since support for arbitrary, multi-clause, sorting is almost certainly going to require more RAM then the existing min/max functionaly, this new functionality should be in addition to the existing min/max localparam implementation, not a replacement of it.
> (NOTE: early comments made in this jira may be confusing in historical context due to the way this issue was originally filed as a bug report)
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