1 -- source include/not_embedded.inc
2 -- source include/have_innodb_plugin.inc
5 drop table if exists t1;
8 # basic tests of semi-consistent reads
10 connect (a,localhost,root,,);
11 connect (b,localhost,root,,);
13 set binlog_format=mixed;
14 set session transaction isolation level repeatable read;
15 create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1;
16 insert into t1 values (1),(2),(3),(4),(5),(6),(7);
18 # this should lock the entire table
19 select * from t1 where a=3 lock in share mode;
21 set binlog_format=mixed;
22 set session transaction isolation level repeatable read;
24 -- error ER_LOCK_WAIT_TIMEOUT
25 update t1 set a=10 where a=5;
29 # perform a semi-consisent read (and unlock non-matching rows)
30 set session transaction isolation level read committed;
31 update t1 set a=10 where a=5;
33 -- error ER_LOCK_WAIT_TIMEOUT
34 select * from t1 where a=2 for update;
35 # this should lock the records (1),(2)
36 select * from t1 where a=2 limit 1 for update;
38 # semi-consistent read will skip non-matching locked rows a=1, a=2
39 update t1 set a=11 where a=6;
40 -- error ER_LOCK_WAIT_TIMEOUT
41 update t1 set a=12 where a=2;
42 -- error ER_LOCK_WAIT_TIMEOUT
43 update t1 set a=13 where a=1;
47 update t1 set a=14 where a=1;
58 create table t1 (a int, b int) engine=myisam;
59 create table t2 (c int, d int, key (c)) engine=innodb;
60 insert into t1 values (1,1);
61 insert into t2 values (1,2);
62 connect (a,localhost,root,,);
64 set session transaction isolation level read committed;
65 delete from t1 using t1 join t2 on t1.a = t2.c where t2.d in (1);