github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/dm/tests/drop_column_with_index/data/db1.prepare.sql (about) 1 drop database if exists `drop_column_with_index`; 2 create database `drop_column_with_index`; 3 use `drop_column_with_index`; 4 create table t1 (c1 int, c2 int, c3 int); 5 alter table t1 add index idx1(c1); 6 alter table t1 add index idx2(c2); 7 alter table t1 add index idx3(c3); 8 alter table t1 add index idx23(c2, c3); 9 alter table t1 add unique index uidx1(c1); 10 alter table t1 add unique index uidx2(c2);