github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/dm/tests/ha_cases/data/db2.increment.sql (about) 1 use database-placeholder; 2 -- add an empty column to flush syncer checkpoint 3 alter table tb add column info varchar(10); 4 delete from tb where name = 'Sansa';