SolrQuery::setFacetMethod Specifies the type of algorithm to use when faceting a field &reftitle.description; public SolrQuerySolrQuery::setFacetMethod stringmethod stringfield_override Specifies the type of algorithm to use when faceting a field. This method accepts optional field override. &reftitle.parameters; method The method to use. field_override The name of the field. &reftitle.returnvalues; Returns the current SolrQuery object, if the return value is used.