enum

banque.sql

@@ -5,9 +5,11 @@ set search_path TO bank;
 /*
  * Holder : table commune à tous les titulaires
  */
+create type holder_type as enum ('PERSON', 'COMPANY');
+
 create table holder (
   "id" bigint primary key generated always as identity,          -- identifiant unique
-  "type" text not null check ("type" in ('PERSON', 'COMPANY')),
+  "type" holder_type  not null,
   "created_at" timestamp not null default now()                  -- date de création
 );