29
6
show status like 'last_query_cost';
33
10
insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
34
11
insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
35
12
insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);