clean up db schema

sql/schema.sql

@@ -1,23 +1,26 @@
 -- psql -U <user> -d genesis -f schema.sql
 
+-- Ensure necessary extensions are enabled
+-- CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
 -- https://github.com/pksunkara/pgx_ulid
--- CREATE EXTENSION ulid;
+-- CREATE EXTENSION IF NOT EXISTS ulid;
 
 -- Create the table for clients
 DROP TABLE IF EXISTS clients CASCADE;
 CREATE TABLE clients (
-    id SERIAL PRIMARY KEY,
-    name VARCHAR(255) NOT NULL,
+    id SMALLINT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+    name text NOT NULL,
     uuid UUID DEFAULT uuid_generate_v4() UNIQUE
 );
 
-INSERT INTO clients (id, name, uuid) VALUES (0, 'unknown', '00000000-0000-0000-0000-000000000000');
+INSERT INTO clients (id, name, uuid) OVERRIDING SYSTEM VALUE VALUES (0, 'unknown', '00000000-0000-0000-0000-000000000000');
 
 -- Create the table for the tokens
 DROP TABLE IF EXISTS tokens CASCADE;
 CREATE TABLE tokens (
     id ulid NOT NULL DEFAULT gen_ulid() PRIMARY KEY,
-    client_id INTEGER DEFAULT 0 REFERENCES clients(id)
+    client_id SMALLINT DEFAULT 0 REFERENCES clients(id)
 );
 
 -- Create the table for the metadata
@@ -26,7 +29,7 @@ CREATE TABLE metadata (
     id ulid PRIMARY KEY REFERENCES tokens(id) ON DELETE CASCADE,
     ip_address INET,
     country CHAR(2),
-    user_agent VARCHAR(255),
+    user_agent text,
     created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
 );