- sql: |
    create table t1(t1v1 int);
    create table t2(t2v1 int);
    insert into t1 values (0), (1), (2);
    insert into t2 values (0), (1), (2);
  tasks:
    - execute
- sql: |
    select * from t1, t2;
  desc: Test optimizer logical for a cross product.
  tasks:
    - explain:logical_optd,physical_optd
    - execute