Use any instead of length

activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb

@@ -1239,7 +1239,7 @@ def extract_pg_identifier_from_name(name)
           if match_data
             rest = name[match_data[0].length, name.length]
             rest = rest[1, rest.length] if rest.start_with? "."
-            [match_data[1], (rest.length > 0 ? rest : nil)]
+            [match_data[1], (rest.any? ? rest : nil)]
           end
         end