lib/rbbt/tsv/index.rb in rbbt-util-5.2.4 vs lib/rbbt/tsv/index.rb in rbbt-util-5.3.0

@@ -83,26 +83,35 @@
             end
 
             values.unshift key
 
             values.uniq.each do |value|
-              case
-              when index_type == :double
+              case index_type
+              when :double
                 if not new.include? value
                   new[value] = [[key]]
                 else
                   current = new[value]
                   current[0] << key
                   new[value] = current
                 end
+              when :flat
+                if not new.include? value
+                  new[value] = [key]
+                else
+                  current = new[value]
+                  current << key
+                  new[value] = current
+                end
+
               else
                 new[value] = key unless new.include? value
               end
             end
           end
         end
 
-        TSV.setup(new, :serializer => index_type, :type => index_type, :filename => filename, :fields => [new_key_field], :key_field => new_fields * ", ")
+        TSV.setup(new, :type => index_type, :filename => filename, :fields => [new_key_field], :key_field => new_fields * ", ")
       end
     end
   end
 
   def self.index(file, options = {})