v1.0.0-rc.26 数据库变更语句对不对？

[overawe]

ALTER TABLE users
MODIFY COLUMN quota BIGINT NOT NULL DEFAULT 0,
MODIFY COLUMN used_quota BIGINT NOT NULL DEFAULT 0,
MODIFY COLUMN aff_quota BIGINT NOT NULL DEFAULT 0,
MODIFY COLUMN aff_history BIGINT NOT NULL DEFAULT 0;

ALTER TABLE tokens
MODIFY COLUMN remain_quota BIGINT NOT NULL DEFAULT 0,
MODIFY COLUMN used_quota BIGINT NOT NULL DEFAULT 0;

ALTER TABLE quota_data MODIFY COLUMN quota BIGINT NOT NULL DEFAULT 0;