github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/dm/tests/extend_column/data/tidb.prepare.sql (about) 1 drop database if exists `extend_column`; 2 create database `extend_column`; 3 use `extend_column`; 4 create table t (c1 int, c2 int, c3 int, c_table varchar(64), c_schema varchar(64), c_source varchar(64), primary key(c1, c_table, c_schema, c_source)); 5 create table y (c1 int, c2 int, c3 int, gc3 int GENERATED ALWAYS AS (c1 + 1) VIRTUAL, c_table varchar(64), primary key(c1, c_table));