Mysql 單表數據量過大移除數據

由於單表量太大，導致性能問題

# 1 創建表
create table XXX_test like XXX;

# 2 轉移數據
insert into XXX_test
select * from XXX where grasping_time>='2019-01-01 00:00:00' and grasping_time<'2020-01-01 00:00:00'

# 3 移除數據
delete from XXX where grasping_time>='2019-01-01 00:00:00' and grasping_time<'2020-01-01 00:00:00'

 

待處理記錄 每次處理100W條

select count(1) from t_shopping_receipt_info where grasping_time<'2018-06-01 00:00:00'


select count(1) from t_shopping_receipt_info where grasping_time>='2018-06-01 00:00:00' and grasping_time<'2018-11-01 00:00:00'


select count(1) from t_shopping_receipt_info where grasping_time>='2018-11-01 00:00:00' and grasping_time<'2018-12-01 00:00:00'


select count(1) from t_shopping_receipt_info where grasping_time>='2018-12-01 00:00:00' and grasping_time<'2019-01-01 00:00:00'