(PECL solr >= 0.9.2)
SolrQuery::getFacetLimit — Returns the maximum number of constraint counts that should be returned for the facet fields
$field_override
] ) : intReturns the maximum number of constraint counts that should be returned for the facet fields. This method accepts an optional field override
field_overrideThe name of the field to override for
Returns an integer on success and NULL if not set