tables scripts

scripts/create_users_table.js

@@ -6,7 +6,8 @@ CREATE TABLE IF NOT EXISTS users (
     id SERIAL PRIMARY KEY,
     email VARCHAR(255) UNIQUE NOT NULL,
     name VARCHAR(255),
-    user_type VARCHAR(50) DEFAULT 'audience' NOT NULL
+    user_type VARCHAR(50) NOT NULL DEFAULT 'audience' CHECK (user_type IN ('audience', 'participant', 'admin', 'moderator')),
+    created_at TIMESTAMP DEFAULT NOW()
 );
 `;