Merge mskold@bk-internal.mysql.com:/home/bk/mysql-5.0

into  mysql.com:/home/marty/MySQL/mysql-5.0


ndb/src/ndbapi/NdbDictionaryImpl.cpp:
  Auto merged
ndb/src/ndbapi/NdbDictionaryImpl.hpp:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged

1 files changed, 113 insertions, 0 deletions

diff --git a/mysql-test/t/ndb_lock.test b/mysql-test/t/ndb_lock.test
index 6945f91ee39..6d3257aeb68 100644
--- a/mysql-test/t/ndb_lock.test
+++ b/mysql-test/t/ndb_lock.test
@@ -69,4 +69,117 @@ 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), z integer, key(z)) engine = ndb;
+
+insert into t1 values (1,'one',1), (2,'two',2),(3,"three",3); 
+
+# 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;
+
+# table 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
+# Bug #20390 SELECT FOR UPDATE does not release locks of untouched rows in full table scans
+#select * from t1 where x = 2 for update;
+--error 1205
+select * from t1 where x = 1 for update;
+rollback;
+
+connection con1;
+commit;
+
+# index scan
+connection con1;
+begin;
+select * from t1 where z > 1 and z < 3 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 = 1 for update;
+--error 1205
+select * from t1 where x = 2 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;
+
+# table 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
+# Bug #20390 SELECT FOR UPDATE does not release locks of untouched rows in full table scans
+#select * from t1 where x = 2 for update;
+--error 1205
+select * from t1 where x = 1 for update;
+rollback;
+
+connection con1;
+commit;
+
+# index scan
+connection con1;
+begin;
+select * from t1 where z > 1 and z < 3 lock in share mode;
+
+connection con2;
+begin;
+select * from t1 where z = 1 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 = 1 for update;
+--error 1205
+select * from t1 where x = 2 for update;
+rollback;
+
+connection con1;
+commit;
+
+drop table t1;
+
 # End of 4.1 tests