diff --git a/model/ddl.sql b/model/ddl.sql
index f8bc5b3..9976b13 100644
--- a/model/ddl.sql
+++ b/model/ddl.sql
@@ -15,10 +15,10 @@ CREATE SCHEMA IF NOT EXISTS PUBLIC;
 -- DROP TYPE IF EXISTS public.polar_coordinates;
 
 
---- CREATE TYPE PUBLIC.POLAR_COORDINATES AS (
---- 	MAGNITUDE DOUBLE PRECISION,
---- 	PHASE DOUBLE PRECISION
---- );
+CREATE TYPE PUBLIC.POLAR_COORDINATES AS (
+	MAGNITUDE DOUBLE PRECISION,
+	PHASE DOUBLE PRECISION
+);
 
 CREATE TABLE PUBLIC.COMPONENT_TYPE (
     ID BIGSERIAL PRIMARY KEY,