-- Id is a surrogate key for in ternal use
-- userId is what is used for external id
-- username is what is used for login
-- password is the hashed password
CREATE TABLE IF NOT EXISTS users (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  userId TEXT DEFAULT (HEX(RANDOMBLOB(4))) NOT NULL UNIQUE,
  username VARCHAR(255) NOT NULL UNIQUE,
  password VARCHAR(255) NOT NULL
);

-- Users are commonly searched by username and userId
CREATE INDEX IF NOT EXISTS users_username_index ON users (username);
CREATE INDEX IF NOT EXISTS users_userId_index ON users (userId);