创建一个索引
2023-03-28 本文已影响0人
幻无虚生
create table cps_activity_goods like cps_activity_goods_a;
create index goods_id_user_id on tableB(activity_id,goods_id,user_id);
insert into tableB
select * from tableA;
drop table tableA;
rename table cps_activity_goods_a to cps_activity_goods