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https://issues.apache.org/jira/browse/SOLR-792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929590#action_12929590
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Peter Karich commented on SOLR-792:
-----------------------------------
Hi Toke and all,
maybe I am a bit evil or stupid but could someone enlight me why this patch is
necessary?
Why can't you we the existing mechanisms in Solr (facets!) and a bit logic
while indexing:
http://markmail.org/message/2aza6nnsiw3l4bbb#query:+page:1+mid:3j3ttojacpjoyfg5+state:results
This has no performance problems when using tons of categories. We already
using it with lots of categories. It works out of the box with a nearly
infinity depth (either you need a DB ->
unlimited or the URL length is the limit).
The only drawback of this approach is that you won't be able to display two or
more 'branches' at the same time. Only one current branch with the current
possible categories is possible, which is no limitation in our case. Because
the UI would be unusable if too many items would be visible at the same time.
One could introduce a special update component for this feature which uses a
category tree (in RAM) built from the json or xml definition. I could create
such a component if someone is interested.
Regards,
Peter.
> Pivot (ie: Decision Tree) Faceting Component
> --------------------------------------------
>
> Key: SOLR-792
> URL: https://issues.apache.org/jira/browse/SOLR-792
> Project: Solr
> Issue Type: New Feature
> Reporter: Erik Hatcher
> Assignee: Yonik Seeley
> Priority: Minor
> Attachments: SOLR-792-as-helper-class.patch,
> SOLR-792-PivotFaceting.patch, SOLR-792-PivotFaceting.patch,
> SOLR-792-PivotFaceting.patch, SOLR-792-PivotFaceting.patch,
> SOLR-792-raw-type.patch, SOLR-792.patch, SOLR-792.patch, SOLR-792.patch,
> SOLR-792.patch, SOLR-792.patch, SOLR-792.patch, SOLR-792.patch
>
>
> A component to do multi-level faceting.
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