[jira] Resolved: (SOLR-44) Basic Facet Count support

["Hoss Man (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/SOLR-44?page=all ]

Hoss Man resolved SOLR-44.
--------------------------

    Resolution: Fixed

whoops ...  i left this open to remind me to work on the wiki pages, which i did without remembering to resolve this.

> Basic Facet Count support
> -------------------------
>
>                 Key: SOLR-44
>                 URL: http://issues.apache.org/jira/browse/SOLR-44
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>            Reporter: Hoss Man
>         Assigned To: Hoss Man
>         Attachments: simple-facets.patch, simple-facets.patch, simple-facets.patch, simple-facets.patch
>
>
> First pass at basic facet support.  initial patch includes utilities for use in RequestHandlers, and usage in StandardRequestHandler (DisMax should use SolrParams before attempting to add this)
> Basic idea is that:
>   * facet=true indicates facet counts are desired.
>   * facetField=inStock indicates we want a count of the matching docs for each value in the field inStock
>   * facetQuery=title:ipod indicates we want the count of matching docs also in the set of docs matching query title:ipod
>   * if user wants to apply a facet constraint on subsequent queries, they can add an "fq" (filter query) param (support for this was added to StandardRequestHandler as well)
> Things marked TODO...
>   * add support for per field facetLimit indicating that only the top N items in each facetField should be returned
>   * add support for a per field facetZero boolean indicating that there is no reason to bother returning counts of 0 for facetFields (some clients may want to know the list, others don't care)
>   * potential optimization when using faceLimit to cache the terms with the highest docFreq and see if they provide all the info we need without doing a full TermEnum
> I'd like to get some feedback on the overall appraoch and params before i proceed too much farther.

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