9
9
create temporary table t1 (a int not null,b int not null, primary key using HASH (a)) engine=MEMORY comment="testing heaps";
10
10
insert into t1 values(1,1),(2,2),(3,3),(4,4);
11
11
delete from t1 where a=1 or a=0;
15
15
select * from t1 where a=4;