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Merge mysql.com:/home/marty/MySQL/mysql-4.1

Browse source 
into  mysql.com:/home/marty/MySQL/mysql-5.0
This commit is contained in:
mskold/marty@mysql.com/linux.site 2006-08-08 14:42:05 +02:00
commit 9241fba4ae
3 changed files with 45 additions and 5 deletions
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15
mysql-test/r/ndb_lock.result
View file

@ -64,17 +64,26 @@ pk u o
insert into t1 values (1,1,1);
drop table t1;
create table t1 (x integer not null primary key, y varchar(32), z integer, key(z)) engine = ndb;
insert into t1 values (1,'one',1), (2,'two',2),(3,"three",3);
insert into t1 values (1,'one',1);
begin;
select * from t1 where x = 1 for update;
x y z
1 one 1
begin;
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
rollback;
insert into t1 values (2,'two',2),(3,"three",3);
begin;
select * from t1 where x = 1 for update;
x y z
1 one 1
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
select * from t1 where x = 2 for update;
x y z
2 two 2
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
commit;
begin;

15
mysql-test/t/ndb_lock.test
View file

@ -73,7 +73,7 @@ drop table t1;
create table t1 (x integer not null primary key, y varchar(32), z integer, key(z)) engine = ndb;
insert into t1 values (1,'one',1), (2,'two',2),(3,"three",3);
insert into t1 values (1,'one',1);
# PK access
connection con1;
@ -82,11 +82,22 @@ 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;
rollback;
insert into t1 values (2,'two',2),(3,"three",3);
begin;
select * from t1 where x = 1 for update;
connection con2;
--error 1205
select * from t1 where x = 1 for update;
select * from t1 where x = 2 for update;
rollback;
connection con1;
commit;

20
sql/ha_ndbcluster.cc
View file

@ -2929,6 +2929,26 @@ int ha_ndbcluster::close_scan()
NdbScanOperation *cursor= m_active_cursor ? m_active_cursor : m_multi_cursor;
if (m_lock_tuple)
{
/*
Lock level m_lock.type either TL_WRITE_ALLOW_WRITE
(SELECT FOR UPDATE) or TL_READ_WITH_SHARED_LOCKS (SELECT
LOCK WITH SHARE MODE) and row was not explictly unlocked
with unlock_row() call
*/
NdbOperation *op;
// Lock row
DBUG_PRINT("info", ("Keeping lock on scanned row"));
if (!(op= cursor->lockCurrentTuple()))
{
m_lock_tuple= false;
ERR_RETURN(trans->getNdbError());
}
m_ops_pending++;
}
m_lock_tuple= false;
if (m_ops_pending)
{
/*