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

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git-svn-id: file:///svn/mysql/tests/mysql-test@34970 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
John Esmet 2011-09-22 20:26:19 +00:00
parent cf2ecdd201
commit a191166c7b
2 changed files with 108 additions and 0 deletions
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14
mysql-test/suite/tokudb.locks/t/blocking-row-locks-getset.test Normal file
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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;

94
mysql-test/suite/tokudb.locks/t/blocking-row-locks-rw-conflict.test Normal file
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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