lib/ustate/query_string.treetop in ustate-client-0.0.3 vs lib/ustate/query_string.treetop in ustate-client-0.0.4

@@ -90,11 +90,11 @@
         end
       }
     end
 
     rule value
-      double_quoted_string / float / integer
+      double_quoted_string / float / integer / null
     end
 
     rule integer
       '-'? [0-9]+ {
         def ruby_value
@@ -130,9 +130,18 @@
     # This doesn't work! Taken from the docs... :(    
     rule double_quoted_string
       '"' (!'"' . / '\"')* '"' {
         def ruby_value
           text_value[1..-2].gsub('\"', '"')
+        end
+        alias sql ruby_value
+      }
+    end
+
+    rule null
+      ('null' / 'nil') {
+        def ruby_value
+          nil
         end
         alias sql ruby_value
       }
     end