有没有办法进一步优化它，或者我应该满足于计算1100万行需要9秒？devuser@xcmst>mysql--user=user--password=pass-Dmarctoxctransformation-e"descrecord_updates"+--------------+----------+------+-----+---------+-------+|Field|Type|Null|Key|Default|Extra|+--------------+----------+------+-----+---------+-------+|record_id|int(11)|YE

有没有办法进一步优化它，或者我应该满足于计算1100万行需要9秒？devuser@xcmst>mysql--user=user--password=pass-Dmarctoxctransformation-e"descrecord_updates"+--------------+----------+------+-----+---------+-------+|Field|Type|Null|Key|Default|Extra|+--------------+----------+------+-----+---------+-------+|record_id|int(11)|YE