[jira] [Commented] (SOLR-3177) Excluding tagged filter in StatsComponent

["Vitaly Lazutin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-3177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13835247#comment-13835247 ] 

Vitaly Lazutin commented on SOLR-3177:
--------------------------------------

Grouping is not the best solution. 
If you will remove fq with this field, then your facet results will be wrong. Facets on other fields will return more results, then actually need.

> Excluding tagged filter in StatsComponent
> -----------------------------------------
>
>                 Key: SOLR-3177
>                 URL: https://issues.apache.org/jira/browse/SOLR-3177
>             Project: Solr
>          Issue Type: Improvement
>          Components: SearchComponents - other
>    Affects Versions: 3.5, 3.6, 4.0-ALPHA, 4.1
>            Reporter: Mathias H.
>            Priority: Minor
>              Labels: localparams, stats, statscomponent
>         Attachments: SOLR-3177.patch
>
>
> It would be useful to exclude the effects of some "fq" params from the set of documents used to compute stats -- similar to 
> how you can exclude tagged filters when generating facet counts... 
> https://wiki.apache.org/solr/SimpleFacetParameters#Tagging_and_excluding_Filters
> So that it's possible to do something like this... 
> http://localhost:8983/solr/select?fq={!tag=priceFilter}price:[1 TO 20]q=*:*&stats=true&stats.field={!ex=priceFilter}price 
> If you want to create a price slider this is very useful because then you can filter the price ([1 TO 20) and nevertheless get the lower and upper bound of the unfiltered price (min=0, max=100):
> {noformat}
> |<-[-------]-------------->|
> $0 $1     $20            $100
> {noformat}



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