-- bs.nightTaskConfig
ALTER TABLE bs.nightTaskConfig MODIFY COLUMN id int(10) unsigned NOT NULL;
ALTER TABLE bs.nightTaskConfig ADD CONSTRAINT nightTaskConfig_check CHECK (id = 1);

-- bs.workerProductivityConfig
ALTER TABLE bs.workerProductivityConfig MODIFY COLUMN id int(10) unsigned NOT NULL;
ALTER TABLE bs.workerProductivityConfig ADD CONSTRAINT workerProductivityConfig_check CHECK (id = 1);