anchor.diff:  make_fq_type(ObjType) ->
       "+X_CHEF_type_CHEF_X:data_bag_item +data_bag:" ++ ObjType.
   
  +index_type(Type) when is_binary(Type) ->
  +    index_type(binary_to_list(Type));
   index_type("node") ->
       'node';
   index_type("role") ->
  
positive.code: 
  -include("chef_solr.hrl").
  
  make_query_from_params(ObjType, QueryString, Start, Rows) ->
      % TODO: super awesome error messages
      FilterQuery = make_fq_type(ObjType),
  
negative.code:             {error, {solr_500, Url}}
      end.
  
  -spec ping() -> pong | pang.
  ping() ->
      try
          {ok, SolrUrl} = application:get_env(chef_index, solr_url),
  