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https://issues.apache.org/jira/browse/SOLR-7795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14737368#comment-14737368
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Tomás Fernández Löbbe commented on SOLR-7795:
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The thing with "before", "after" and "between" is that they don't consider the
"interval" part of the request, just what's generated with start/end/gap. I
think this makes sense, since intervals don't necessarily need to be contiguous.
> Fold Interval Faceting into Range Faceting
> ------------------------------------------
>
> Key: SOLR-7795
> URL: https://issues.apache.org/jira/browse/SOLR-7795
> Project: Solr
> Issue Type: Task
> Reporter: Tomás Fernández Löbbe
> Fix For: Trunk, 5.4
>
> Attachments: SOLR-7795.patch, SOLR-7795.patch, SOLR-7795.patch,
> SOLR-7795.patch, SOLR-7795.patch, SOLR-7795.patch
>
>
> Now that range faceting supports a "filter" and a "dv" method, and that
> interval faceting is supported on fields with {{docValues=false}}, I think we
> should make it so that interval faceting is just a different way of
> specifying ranges in range faceting, allowing users to indicate specific
> ranges.
> I propose we use the same syntax for intervals, but under the "range"
> parameter family:
> {noformat}
> facet.range=price&
> f.price.facet.range.set=[0,10]&
> f.price.facet.range.set=(10,100]
> {noformat}
> The counts for those ranges would come in the response also inside of the
> "range_facets" section. I'm not sure if it's better to include the ranges in
> the "counts" section, or in a different section (intervals?sets?buckets?).
> I'm open to suggestions.
> {code}
> "facet_ranges":{
> "price":{
> "counts":[
> "[0,10]",3,
> "(10,100]",2]
> }
> }
> {code}
> or…
> {code}
> "facet_ranges":{
> "price":{
> "intervals":[
> "[0,10]",3,
> "(10,100]",2]
> }
> }
> {code}
> We should support people specifying both things on the same field.
> Once this is done, "interval faceting" could be deprecated, as all it's
> functionality is now possible through range queries.
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