[t:3453] blocking row lock tests, take 1

git-svn-id: file:///svn/mysql/tests/mysql-test@34970 c7de825b-a66e-492c-adef-691d508d4ae1

mysql-test/suite/tokudb.locks/t/blocking-row-locks-getset.test

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+# 9/22/2011
+# Test that blocking row locks work correctly.
+
+set storage_engine='tokudb';
+
+# Make sure we can read/write the global lock timeout system variable
+select @@tokudb_lock_timeout;
+set global tokudb_lock_timeout=1234567;
+select @@tokudb_lock_timeout;
+set global tokudb_lock_timeout=5000000;
+select @@tokudb_lock_timeout;
+# settle on a 2 second timeout going forward
+set global tokudb_lock_timeout=1000000;
+select @@tokudb_lock_timeout;

mysql-test/suite/tokudb.locks/t/blocking-row-locks-rw-conflict.test

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+# 9/22/2011
+# Test that blocking row locks work correctly.
+
+set storage_engine='tokudb';
+set global tokudb_lock_timeout=1000000;
+
+--disable_warnings
+drop table if exists t;
+--enable_warnings
+create table t (a int primary key, b int);
+insert into t values (1, 1);
+insert into t values (2, 4);
+insert into t values (3, 9);
+insert into t values (4, 16);
+
+set autocommit=off;
+
+# We need to test that reads/writes properly block when a row lock is
+# obtained, so the isolation level needs to be serializable
+connect(conn1, localhost, root);
+set session transaction isolation level serializable;
+
+# First test - a point update lock should block a read, but not
+# block any others
+begin;
+select * from t where a=1 for update;
+
+connect(conn2, localhost, root);
+set session transaction isolation level serializable;
+# Connection 2 reads, should block until the first connection commits;
+# Assert that this call times out with ER_LOCK_WAIT_TIMEOUT
+--error ER_LOCK_WAIT_TIMEOUT
+select * from t where a=1;
+select * from t where a=2;
+select * from t where a=3;
+select * from t where a=4;
+
+connection conn1;
+commit;
+
+# Once we commit, it all works;
+connection conn2;
+select * from t;
+
+connection conn1;
+
+# Second test - a range update lock should block a read
+begin;
+select * from t where a<=2 for update;
+
+connection conn2;
+--error ER_LOCK_WAIT_TIMEOUT
+select * from t where a=1;
+--error ER_LOCK_WAIT_TIMEOUT
+select * from t where a>1;
+--error ER_LOCK_WAIT_TIMEOUT
+select * from t;
+# this should pass, since we locked 1-2
+select * from t where a=4;
+
+connection conn1;
+commit;
+
+# Once we commit, it works
+connection conn2;
+select * from t;
+
+connection conn1;
+
+# Third test - replace into should do the same
+begin;
+replace into t values(1, 10),(3,30);
+
+connection conn2;
+--error ER_LOCK_WAIT_TIMEOUT
+select * from t where a=1;
+--error ER_LOCK_WAIT_TIMEOUT
+select * from t where a=3;
+select * from t where a=2;
+select * from t where a=4;
+
+connection conn1;
+commit;
+
+# Once we commit, it works
+connection conn2;
+select * from t;
+
+connection conn1;
+drop table t;
+
+# TODO: How do I...
+# 3.) Assert that some mysql code should return an error (ie: timeout)
+# 4.) Have a connection in mysql-test sleep for n seconds