SolrQuery::getFacetSort
  Returns the facet sort type
  
 
  Description
  
   public int SolrQuery::getFacetSort
    ([ string $field_override
  ] )
  
  
 
  Parameters
  
   
    - 
     field_override
- 
      
       The name of the field
       
 
 
  Return Values
  
   Returns an integer (SolrQuery::FACET_SORT_INDEX or SolrQuery::FACET_SORT_COUNT) on success or NULL if not set.