CREATE TABLE users
(
    id              UUID UNIQUE PRIMARY KEY             NOT NULL,
    createdAt       TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
    updatedAt       TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
    username        TEXT UNIQUE                         NOT NULL,
    email           TEXT UNIQUE,
    authHash        TEXT,
    authSalt        TEXT,
    userState       SMALLINT  DEFAULT NULL,
    lastLoggedIn    TIMESTAMP DEFAULT NULL,
    creatorIp       TEXT      DEFAULT '0.0.0.0',
    role            SMALLINT  DEFAULT 0                 NOT NULL,
    state           SMALLINT  DEFAULT 0                 NOT NULL,
    connectionGroup UUID      DEFAULT NULL,
    friendGroup     UUID      DEFAULT NULL,
    language        TEXT      DEFAULT 'en'
);

CREATE TRIGGER users_updated_at
    BEFORE UPDATE
    ON users
    FOR EACH ROW
EXECUTE PROCEDURE updated_at_timestamp();