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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
-- source include/not_embedded.inc
-- source include/have_innodb_plugin.inc
--disable_warnings
drop table if exists t1;
--enable_warnings
# REPLACE INTO ... SELECT and INSERT INTO ... SELECT should do
# a consistent read of the source table.
connect (a,localhost,root,,);
connect (b,localhost,root,,);
connection a;
set session transaction isolation level read committed;
create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1;
create table t2 like t1;
insert into t2 values (1),(2),(3),(4),(5),(6),(7);
set autocommit=0;
# REPLACE INTO ... SELECT case
begin;
# this should not result in any locks on t2.
replace into t1 select * from t2;
connection b;
set session transaction isolation level read committed;
set autocommit=0;
# should not cause a lock wait.
delete from t2 where a=5;
commit;
delete from t2;
commit;
connection a;
commit;
# INSERT INTO ... SELECT case
begin;
# this should not result in any locks on t2.
insert into t1 select * from t2;
connection b;
set session transaction isolation level read committed;
set autocommit=0;
# should not cause a lock wait.
delete from t2 where a=5;
commit;
delete from t2;
commit;
connection a;
commit;
select * from t1;
drop table t1;
drop table t2;
connection default;
disconnect a;
disconnect b;
|
