diff options
Diffstat (limited to 'mysql-test/t/ndb_lock.test')
-rw-r--r-- | mysql-test/t/ndb_lock.test | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/mysql-test/t/ndb_lock.test b/mysql-test/t/ndb_lock.test index 6945f91ee39..42721c7d3f5 100644 --- a/mysql-test/t/ndb_lock.test +++ b/mysql-test/t/ndb_lock.test @@ -69,4 +69,80 @@ insert into t1 values (1,1,1); drop table t1; +# Lock for update + +create table t1 (x integer not null primary key, y varchar(32)) engine = ndb; + +insert into t1 values (1,'one'), (2,'two'),(3,"three"); + +# PK access +connection con1; +begin; +select * from t1 where x = 1 for update; + +connection con2; +begin; +select * from t1 where x = 2 for update; +--error 1205 +select * from t1 where x = 1 for update; +rollback; + +connection con1; +commit; + +# scan +connection con1; +begin; +select * from t1 where y = 'one' or y = 'three' for update; + +connection con2; +begin; +# Have to check with pk access here since scans take locks on +# all rows and then release them in chunks +select * from t1 where x = 2 for update; +--error 1205 +select * from t1 where x = 1 for update; +rollback; + +connection con1; +commit; + +# share locking + +# PK access +connection con1; +begin; +select * from t1 where x = 1 lock in share mode; + +connection con2; +begin; +select * from t1 where x = 1 lock in share mode; +select * from t1 where x = 2 for update; +--error 1205 +select * from t1 where x = 1 for update; +rollback; + +connection con1; +commit; + +# scan +connection con1; +begin; +select * from t1 where y = 'one' or y = 'three' lock in share mode; + +connection con2; +begin; +select * from t1 where y = 'one' lock in share mode; +# Have to check with pk access here since scans take locks on +# all rows and then release them in chunks +select * from t1 where x = 2 for update; +--error 1205 +select * from t1 where x = 1 for update; +rollback; + +connection con1; +commit; + +drop table t1; + # End of 4.1 tests |