(PECL solr >= 0.9.2) Maps to facet.mincount

(PECL solr >= 0.9.2) Set if the query will be boosted by the interesting term relevance

(PECL solr >= 2.2.0) Add a field to be used to group results.

(PECL solr >= 0.9.2) Removes one of the moreLikeThis fields

(PECL solr >= 0.9.2) Returns the term to stop at

(PECL solr >= 2.2.0) Sets the group.offset parameter.

(PECL solr >= 0.9.2) Destructor public void

(PECL solr >= 2.2.0) Sets group.facet parameter

(PECL solr >= 2.2.0) Specifies the number of results to return for each group. The server default value is

(PECL solr >= 2.2.0) Returns all the group.query parameter values