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

(PECL solr >= 0.9.2) Returns the frequency below which terms will be ignored in the source document

(PECL solr >= 0.9.2) Requests a return of sub results for values within the given facet

(PECL solr >= 0.9.2) Returns if a field will only be highlighted if the query matched in this particular

(PECL solr >= 0.9.2) Include the upper bound term in the result set

(PECL solr >= 2.2.0) Returns the group.main value

(PECL solr >= 0.9.2) Removes one of the facet.date.other parameters

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

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

(PECL solr >= 2.2.0) Returns true if grouping is enabled