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

into  mysql.com:/windows/Linux_space/MySQL/mysql-5.0-ndb


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

4 files changed, 62 insertions, 2 deletions

diff --git a/mysql-test/r/ndb_index_unique.result b/mysql-test/r/ndb_index_unique.result
index ce4759ad553..12ffc8437db 100644
--- a/mysql-test/r/ndb_index_unique.result
+++ b/mysql-test/r/ndb_index_unique.result
@@ -140,7 +140,40 @@ b int unsigned not null,
 c int unsigned,
 UNIQUE USING HASH (b, c)	
 ) engine=ndbcluster;
-ERROR 42000: Column 'c' is used with UNIQUE or INDEX but is not defined as NOT NULL
+Warnings:
+Warning	1121	Ndb does not support unique index on NULL valued attributes, index access with NULL value will become full table scan
+insert t2 values(1,1,NULL),(2,2,2),(3,3,NULL),(4,4,4),(5,5,NULL),(6,6,6),(7,7,NULL),(8,3,NULL),(9,3,NULL);
+select * from t2 where c IS NULL order by a;
+a	b	c
+1	1	NULL
+3	3	NULL
+5	5	NULL
+7	7	NULL
+8	3	NULL
+9	3	NULL
+select * from t2 where b = 3 AND c IS NULL order by a;
+a	b	c
+3	3	NULL
+8	3	NULL
+9	3	NULL
+select * from t2 where (b = 3 OR b = 5) AND c IS NULL order by a;
+a	b	c
+3	3	NULL
+5	5	NULL
+8	3	NULL
+9	3	NULL
+set @old_ecpd = @@session.engine_condition_pushdown;
+set engine_condition_pushdown = true;
+explain select * from t2 where (b = 3 OR b = 5) AND c IS NULL AND a < 9 order by a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	PRIMARY,b	PRIMARY	4	NULL	1	Using where with pushed condition
+select * from t2 where (b = 3 OR b = 5) AND c IS NULL AND a < 9 order by a;
+a	b	c
+3	3	NULL
+5	5	NULL
+8	3	NULL
+set engine_condition_pushdown = @old_ecpd;
+drop table t2;
 CREATE TABLE t3 (
 a int unsigned NOT NULL,
 b int unsigned not null,
diff --git a/mysql-test/r/ndb_update.result b/mysql-test/r/ndb_update.result
index 164d1bd700c..d75f82172ae 100644
--- a/mysql-test/r/ndb_update.result
+++ b/mysql-test/r/ndb_update.result
@@ -17,8 +17,17 @@ pk1	b	c
 0	0	0
 2	2	2
 4	1	1
+UPDATE t1 set pk1 = 4 where pk1 = 2;
+ERROR 23000: Duplicate entry '4' for key 1
+UPDATE IGNORE t1 set pk1 = 4 where pk1 = 2;
+select * from t1 order by pk1;
+pk1	b	c
+0	0	0
+2	2	2
+4	1	1
 UPDATE t1 set pk1 = 1, c = 2 where pk1 = 4;
 ERROR 23000: Duplicate entry '' for key 0
+UPDATE IGNORE t1 set pk1 = 1, c = 2 where pk1 = 4;
 select * from t1 order by pk1;
 pk1	b	c
 0	0	0
diff --git a/mysql-test/t/ndb_index_unique.test b/mysql-test/t/ndb_index_unique.test
index 8561b3794c4..e210491c9d0 100644
--- a/mysql-test/t/ndb_index_unique.test
+++ b/mysql-test/t/ndb_index_unique.test
@@ -85,7 +85,6 @@ select * from t2 order by a;
 
 drop table t2;
 
--- error 1121
 CREATE TABLE t2 (
   a int unsigned NOT NULL PRIMARY KEY,
   b int unsigned not null,
@@ -93,6 +92,20 @@ CREATE TABLE t2 (
   UNIQUE USING HASH (b, c)	
 ) engine=ndbcluster;
 
+
+insert t2 values(1,1,NULL),(2,2,2),(3,3,NULL),(4,4,4),(5,5,NULL),(6,6,6),(7,7,NULL),(8,3,NULL),(9,3,NULL);
+
+select * from t2 where c IS NULL order by a;
+select * from t2 where b = 3 AND c IS NULL order by a;
+select * from t2 where (b = 3 OR b = 5) AND c IS NULL order by a;
+set @old_ecpd = @@session.engine_condition_pushdown;
+set engine_condition_pushdown = true;
+explain select * from t2 where (b = 3 OR b = 5) AND c IS NULL AND a < 9 order by a;
+select * from t2 where (b = 3 OR b = 5) AND c IS NULL AND a < 9 order by a;
+set engine_condition_pushdown = @old_ecpd;
+
+drop table t2;
+
 #
 # Show use of PRIMARY KEY USING HASH indexes 
 #
diff --git a/mysql-test/t/ndb_update.test b/mysql-test/t/ndb_update.test
index 45e3add4639..ebcc6995d74 100644
--- a/mysql-test/t/ndb_update.test
+++ b/mysql-test/t/ndb_update.test
@@ -23,8 +23,13 @@ UPDATE t1 set b = c;
 select * from t1 order by pk1;
 UPDATE t1 set pk1 = 4 where pk1 = 1;
 select * from t1 order by pk1;
+--error 1062
+UPDATE t1 set pk1 = 4 where pk1 = 2;
+UPDATE IGNORE t1 set pk1 = 4 where pk1 = 2;
+select * from t1 order by pk1;
 -- error 1062
 UPDATE t1 set pk1 = 1, c = 2 where pk1 = 4;
+UPDATE IGNORE t1 set pk1 = 1, c = 2 where pk1 = 4;
 select * from t1 order by pk1;
 UPDATE t1 set pk1 = pk1 + 10;
 select * from t1 order by pk1;