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
|
create table t1 (
a int,
b int
);
insert into t1 values (1,1), (2,null), (3, 4);
insert into t1 values (5,1), (6,null), (7, 4);
insert into t1 values (1,1), (2,null), (3, 4);
insert into t1 values (5,1), (6,null), (7, 4);
insert into t1 values (5,1), (6,null), (7, 4);
select sum(a) from t1;
select sum(a) from t1 group by b;
select sum(a) + sum(b) from t1 group by b;
select max(x) from (select sum(a) as x from t1 group by b) as teeone;
show profiles;
show profile for query 8;
show profile cpu, block io for query 8;
show profile cpu for query 8;
show profile cpu for query 9 limit 2 offset 2;
show profile cpu for query 10 limit 0;
show profile cpu for query 65534;
show profile memory;
show profile block io;
show profile context switches;
show profile page faults;
show profile ipc;
show profile swaps limit 1 offset 2;
show profile source;
show profile all for query 0 limit 0;
drop table t1;
End of 5.0 tests
|
