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

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