1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
--source include/force_myisam_default.inc
--source include/have_myisam.inc
#
# Test of heap tables.
#
--disable_warnings
drop table if exists t1,t2;
--enable_warnings
create table t1 (a int not null,b int not null, primary key using HASH (a)) engine=heap comment="testing heaps";
insert into t1 values(1,1),(2,2),(3,3),(4,4);
alter table t1 modify a int not null auto_increment, engine=myisam, comment="new myisam table";
#show table status like "t1";
select * from t1;
drop table t1;
create table t1 (a int not null) engine=heap;
insert into t1 values (869751),(736494),(226312),(802616),(728912);
--sorted_result
select * from t1 where a > 736494;
alter table t1 add unique uniq_id using HASH (a);
--sorted_result
select * from t1 where a > 736494;
--sorted_result
select * from t1 where a = 736494;
--sorted_result
select * from t1 where a=869751 or a=736494;
--sorted_result
select * from t1 where a in (869751,736494,226312,802616);
alter table t1 engine=myisam;
explain select * from t1 where a in (869751,736494,226312,802616);
drop table t1;
|
