mariadb/mysql-test/t/innodb-semi-consistent.test

-- source include/not_embedded.inc
-- source include/have_innodb.inc

--disable_warnings
drop table if exists t1;
--enable_warnings

# basic tests of semi-consistent reads

connect (a,localhost,root,,);
connect (b,localhost,root,,);
connection a;
set binlog_format=mixed;
set session transaction isolation level read committed;
create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1;
insert into t1 values (1),(2),(3),(4),(5),(6),(7);
set autocommit=0;
# this should lock the entire table
select * from t1 where a=3 lock in share mode;
connection b;
set binlog_format=mixed;
set session transaction isolation level read committed;
set autocommit=0;
-- error ER_LOCK_WAIT_TIMEOUT
update t1 set a=10 where a=5;
connection a;
commit;
connection b;
update t1 set a=10 where a=5;
connection a;
-- error ER_LOCK_WAIT_TIMEOUT
select * from t1 where a=2 for update;
# this should lock the records (1),(2)
select * from t1 where a=2 limit 1 for update;
connection b;
update t1 set a=11 where a=6;
-- error ER_LOCK_WAIT_TIMEOUT
update t1 set a=12 where a=2;
-- error ER_LOCK_WAIT_TIMEOUT
update t1 set a=13 where a=1;
connection a;
commit;
connection b;
update t1 set a=14 where a=1;
commit;
connection a;
select * from t1;
drop table t1;

connection default;
disconnect a;
disconnect b;