CREATE TABLE /*_*/isekai_user_daily_sign_log (
  `user_id` INT UNSIGNED NOT NULL,
  `year` INT UNSIGNED NOT NULL,
  `month` INT UNSIGNED NOT NULL,
  `sign_log` LONGTEXT NOT NULL
) /*$wgDBTableOptions*/;
ALTER TABLE /*_*/isekai_user_daily_sign_log ADD PRIMARY KEY (`user_id`, `year`, `month`);
ALTER TABLE /*_*/isekai_user_daily_sign_log ADD INDEX(`user_id`);
ALTER TABLE /*_*/isekai_user_daily_sign_log ADD INDEX(`year`);
ALTER TABLE /*_*/isekai_user_daily_sign_log ADD INDEX(`month`);