memos/store/db/migration/prod/0.4/00__user_setting.sql

-- user_setting
CREATE TABLE user_setting (
  user_id INTEGER NOT NULL,
  key TEXT NOT NULL,
  value TEXT NOT NULL,
  FOREIGN KEY(user_id) REFERENCES user(id) ON DELETE CASCADE
);

CREATE UNIQUE INDEX user_setting_key_user_id_index ON user_setting(key, user_id);