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https://issues.apache.org/jira/browse/SOLR-2898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13260763#comment-13260763
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David edited comment on SOLR-2898 at 4/24/12 6:03 PM:
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I just realized that computing stats on an ungrouped docset still wouldn't work
since I still need to do query facets on price ranges. I have created issue
SOLR-3406 to address the problems described with not having the ability to use
facet.query over a grouped docset.
Martijn: This functionality is critical to my implementation of Solr and I
would like to help develop a solution. You mention in a previous post
{quote}
The idea I had in mind was to support grouped facets for all facet types and
methods. However this requires a lot of changes in the current code
(SimpleFacets class) and I think the code becomes even more complex then it
already is. I was thinking about creating GroupedFacets class and then
step-by-step support more facet types with grouping. But this is just an idea.
{quote}
Have you started on GroupedFacets? I don't see it in the trunk but wasn't sure
if you had started something locally. I do see a GroupedFacetHit.class commited
to trunk but I'm not sure if that is related.
At any rate I am new to Solr development. Do you think you could point me in
the right direction or give me your vision of how you see this implementation
happening.
Also to anybody reading this post that would like to see this feature
implemented please vote for issue SOLR-3406
was (Author: dboychuck):
I just realized that computing stats on an ungrouped docset still wouldn't
work since I still need to do query facets on price ranges. I have created
issue SOLR-3406 to address the problems described with not having the ability
to use facet.query over a grouped docset.
Martijn: This functionality is critical to my implementation of Solr and I
would like to help develop a solution. You mention in a previous post
{quote}
The idea I had in mind was to support grouped facets for all facet types and
methods. However this requires a lot of changes in the current code
(SimpleFacets class) and I think the code becomes even more complex then it
already is. I was thinking about creating GroupedFacets class and then
step-by-step support more facet types with grouping. But this is just an idea.
{quote}
Have you started on GroupedFacets? I don't see it in the trunk but wasn't sure
if you had started something locally. I do see a GroupedFacetHit.class commited
to trunk but I'm not sure if that is related.
At any rate I am new to Solr development. Do you think you could point me in
the right direction or give me your vision of how you see this implementation
happening.
> Support grouped faceting
> ------------------------
>
> Key: SOLR-2898
> URL: https://issues.apache.org/jira/browse/SOLR-2898
> Project: Solr
> Issue Type: New Feature
> Reporter: Martijn van Groningen
> Fix For: 4.0
>
> Attachments: SOLR-2898.patch, SOLR-2898.patch, SOLR-2898.patch,
> SOLR-2898.patch
>
>
> Support grouped faceting. As described in LUCENE-3097 (matrix counts).
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