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https://issues.apache.org/jira/browse/SOLR-7795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tomás Fernández Löbbe updated SOLR-7795:
----------------------------------------
Attachment: SOLR-7795.patch
Thanks for the update, and sorry for the late response [~liahsuan]. I'm
uploading a new patch with your changes and a couple of minor changes I did. I
think the patch is mostly ready, but I still have to check how can this affect
the integration with pivot faceting.
If anyone has any comments on the API, please let me know:
The requests will look like this:
{noformat}
facet=true
&facet.range=price
&facet.range.start=0
&facet.range.end=50
&facet.range.gap=10
&rows=0
&f.price.facet.range.set=[0,2]
&wt=json
{noformat}
and the response like:
{noformat}
"facet_counts":{
"facet_queries":{},
"facet_fields":{},
"facet_dates":{},
"facet_ranges":{
"price":{
"counts":[
"0.0",0,
"10.0",0,
"20.0",0,
"30.0",0,
"40.0",0],
"gap":10.0,
"start":0.0,
"end":50.0,
"intervals":{
"[0,2]":0}}},
"facet_intervals":{},
"facet_heatmaps":{}}}
{noformat}
> 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: 5.3, Trunk
>
> Attachments: 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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