2721
2721
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
2722
2722
create table t2 (a int, b int, c int, e int, primary key(a,b,c));
2723
insert into t2 select A.a, B.a, C.a, C.a from t1 A, t1 B, t1 C;
2723
insert into t2 select A.a, B.a, C.a, C.a from t1 A CROSS JOIN t1 B CROSS JOIN t1 C;
2725
2725
select 'In next EXPLAIN, B.rows must be exactly 10:' Z;