more updates

db/migrations/000001_create_users_table.down.sql

@@ -3,4 +3,5 @@ drop table if exists client_scopes;
 drop table if exists scopes;
 drop table if exists client_redirect_uris;
 drop table if exists clients;
-drop table if exists users;
+drop table if exists users;
+drop table if exists user_scopes;

db/migrations/000001_create_users_table.up.sql

@@ -38,7 +38,9 @@ create table scopes
     name        varchar     not null
         constraint scopes_name_key
             unique,
-    description varchar
+    description varchar     not null,
+    created_at  timestamp   default now(),
+    updated_at  timestamp   default now()
 );
 
 create table client_scopes
@@ -89,3 +91,20 @@ create table client_users
     constraint client_users_client_id_user_id_key
         unique (client_id, user_id)
 );
+
+create table user_scopes
+(
+    id       VARCHAR(26) not null
+        constraint user_scopes_pk
+            primary key,
+    user_id  VARCHAR(26) not null
+        constraint user_scopes_user_id_fk
+            references users
+            on delete cascade,
+    scope_id VARCHAR(26) not null
+        constraint user_scopes_scope_id_fk
+            references scopes
+            on delete cascade,
+    constraint user_scopes_user_id_scope_id_key
+        unique (user_id, scope_id)
+);