SolrQuery::setGroupFacet
 (PECL solr >= 2.2.0)
  SolrQuery::setGroupFacet — Sets group.facet parameter 
    说明
  public  SolrQuery   SolrQuery::setGroupFacet 
    (  bool $value 
   )
       参见
 
-   SolrQuery::setGroup() - Enable/Disable result grouping (group parameter) 
-   SolrQuery::addGroupField() - Add a field to be used to group results. 
-   SolrQuery::addGroupFunction() - Allows grouping results based on the unique values of a function query (group.func parameter). 
-   SolrQuery::addGroupQuery() - Allows grouping of documents that match the given query. 
-   SolrQuery::addGroupSortField() - Add a group sort field (group.sort parameter). 
-   SolrQuery::setGroupOffset() - Sets the group.offset parameter. 
-   SolrQuery::setGroupLimit() - Specifies the number of results to return for each group. The server default value is 1. 
-   SolrQuery::setGroupMain() - If true, the result of the first field grouping command is used as the main result list in the response, using group.format=simple. 
-   SolrQuery::setGroupNGroups() - If true, Solr includes the number of groups that have matched the query in the results. 
-   SolrQuery::setGroupTruncate() - If true, facet counts are based on the most relevant document of each group matching the query. 
-   SolrQuery::setGroupFormat() - Sets the group format, result structure (group.format parameter). 
-   SolrQuery::setGroupCachePercent() - Enables caching for result grouping