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https://issues.apache.org/jira/browse/SOLR-2894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13998875#comment-13998875
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Hoss Man commented on SOLR-2894:
--------------------------------
bq. I've done the work on the MinCount and simplified the logic and made it a
fair bit easier to read and fixed the issue with pivot facets. The example you
showed with the second query failing to return results has been rectified.
awesome.
bq. What under the covers is used to make _fpt_2 match up to fpt=2 ? The
one-to-many relation alters my understanding of how this works.
I haven't been getting much sleep lately, so forgive me if i'm misunderstanding
your question or if my answer is obvious giberish: I think what i had in mind
before was just a few lines of new code in the pivot-refinement logic that runs
on the shards to construct a param name for hte top levle multi-valued param
using the numeric id, that the pivot could would lookup directly instead of
relying on local param variable dereferencing -- which as mentioned, doesn't
support any sort of 1-to-many variable refs.
(i don't have the patch in front of me in an editor, so i'll make up variable
names and do this mostly in psuedo-code)...
{code}
SolrParams reqParams = req.getParams()
String[] allPivots = reqParams.getParams("facet.pivot")
for (String pivot : allPivots) {
SolrParams localParams = parseLocalParams(pivot)
String refine_id = localParams.get("fpt")
if (refine_id == null) {
// TODO: not a refinement ... do full pivoting
} else {
String[] refinements = reqParams.getParams("_fpt_" + refine_id)
for (String r : refinements) {
// TODO: compute the refinement count for "r" relative to the current
"pivot"
}
}
}
{code}
...does that make sense?
> Implement distributed pivot faceting
> ------------------------------------
>
> Key: SOLR-2894
> URL: https://issues.apache.org/jira/browse/SOLR-2894
> Project: Solr
> Issue Type: Improvement
> Reporter: Erik Hatcher
> Fix For: 4.9, 5.0
>
> Attachments: SOLR-2894-reworked.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894_cloud_test.patch, dateToObject.patch, pivot_mincount_problem.sh
>
>
> Following up on SOLR-792, pivot faceting currently only supports
> undistributed mode. Distributed pivot faceting needs to be implemented.
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