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Diffstat (limited to 'mysql-test/t/innodb-semi-consistent.test')
-rw-r--r-- | mysql-test/t/innodb-semi-consistent.test | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/mysql-test/t/innodb-semi-consistent.test b/mysql-test/t/innodb-semi-consistent.test new file mode 100644 index 00000000000..7a9231b508f --- /dev/null +++ b/mysql-test/t/innodb-semi-consistent.test @@ -0,0 +1,46 @@ +-- source include/not_embedded.inc +-- source include/have_innodb.inc + +# basic tests of semi-consistent reads + +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; +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 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; |