Merge mysql.com:/home/hf/work/27957/my50-27957

into  mysql.com:/home/hf/work/27957/my51-27957


mysql-test/r/insert_update.result:
  Auto merged
mysql-test/t/insert_update.test:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
mysql-test/include/mix1.inc:
  merging
mysql-test/r/innodb_mysql.result:
  SCCS merged
sql/sql_select.cc:
  merging

4 files changed, 167 insertions, 0 deletions

diff --git a/mysql-test/include/mix1.inc b/mysql-test/include/mix1.inc
index 352d5a987a2..4d7d86ccd10 100644
--- a/mysql-test/include/mix1.inc
+++ b/mysql-test/include/mix1.inc
@@ -554,6 +554,60 @@ select * from t1;
 
 drop table t1;
 
+#
+# Bug #28189: optimizer erroniously prefers ref access to range access 
+#             for an InnoDB table
+#
+
+CREATE TABLE t1(
+  id int AUTO_INCREMENT PRIMARY KEY,
+  stat_id int NOT NULL,
+  acct_id int DEFAULT NULL,
+  INDEX idx1 (stat_id, acct_id),
+  INDEX idx2 (acct_id)
+) ENGINE=MyISAM;
+
+CREATE TABLE t2(
+  id int AUTO_INCREMENT PRIMARY KEY,
+  stat_id int NOT NULL,
+  acct_id int DEFAULT NULL,
+  INDEX idx1 (stat_id, acct_id),
+  INDEX idx2 (acct_id)
+) ENGINE=InnoDB;
+
+INSERT INTO t1(stat_id,acct_id) VALUES
+  (1,759), (2,831), (3,785), (4,854), (1,921),
+  (1,553), (2,589), (3,743), (2,827), (2,545),
+  (4,779), (4,783), (1,597), (1,785), (4,832),
+  (1,741), (1,833), (3,788), (2,973), (1,907);
+
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+UPDATE t1 SET acct_id=785 
+  WHERE MOD(stat_id,2)=0 AND MOD(id,stat_id)=MOD(acct_id,stat_id);
+OPTIMIZE TABLE t1;
+
+SELECT COUNT(*) FROM t1;
+SELECT COUNT(*) FROM t1 WHERE acct_id=785;
+
+EXPLAIN SELECT COUNT(*) FROM t1 WHERE stat_id IN (1,3) AND acct_id=785; 
+
+INSERT INTO t2 SELECT * FROM t1;
+OPTIMIZE TABLE t2;
+
+EXPLAIN SELECT COUNT(*) FROM t2 WHERE stat_id IN (1,3) AND acct_id=785;
+
+DROP TABLE t1,t2; 
+
 --echo End of 5.0 tests
 
 #
diff --git a/mysql-test/r/innodb_mysql.result b/mysql-test/r/innodb_mysql.result
index 36d6f62c72c..c4bae224846 100644
--- a/mysql-test/r/innodb_mysql.result
+++ b/mysql-test/r/innodb_mysql.result
@@ -548,6 +548,58 @@ id	c	counter
 3	b	2
 4	a	2
 drop table t1;
+CREATE TABLE t1(
+id int AUTO_INCREMENT PRIMARY KEY,
+stat_id int NOT NULL,
+acct_id int DEFAULT NULL,
+INDEX idx1 (stat_id, acct_id),
+INDEX idx2 (acct_id)
+) ENGINE=MyISAM;
+CREATE TABLE t2(
+id int AUTO_INCREMENT PRIMARY KEY,
+stat_id int NOT NULL,
+acct_id int DEFAULT NULL,
+INDEX idx1 (stat_id, acct_id),
+INDEX idx2 (acct_id)
+) ENGINE=InnoDB;
+INSERT INTO t1(stat_id,acct_id) VALUES
+(1,759), (2,831), (3,785), (4,854), (1,921),
+(1,553), (2,589), (3,743), (2,827), (2,545),
+(4,779), (4,783), (1,597), (1,785), (4,832),
+(1,741), (1,833), (3,788), (2,973), (1,907);
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+INSERT INTO t1(stat_id,acct_id) SELECT stat_id, mod(id+100000, acct_id) FROM t1;
+UPDATE t1 SET acct_id=785 
+WHERE MOD(stat_id,2)=0 AND MOD(id,stat_id)=MOD(acct_id,stat_id);
+OPTIMIZE TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	status	OK
+SELECT COUNT(*) FROM t1;
+COUNT(*)
+40960
+SELECT COUNT(*) FROM t1 WHERE acct_id=785;
+COUNT(*)
+8702
+EXPLAIN SELECT COUNT(*) FROM t1 WHERE stat_id IN (1,3) AND acct_id=785;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	idx1,idx2	idx1	9	NULL	2	Using where; Using index
+INSERT INTO t2 SELECT * FROM t1;
+OPTIMIZE TABLE t2;
+Table	Op	Msg_type	Msg_text
+test.t2	optimize	status	OK
+EXPLAIN SELECT COUNT(*) FROM t2 WHERE stat_id IN (1,3) AND acct_id=785;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	idx1,idx2	idx1	9	NULL	2	Using where; Using index
+DROP TABLE t1,t2;
 End of 5.0 tests
 CREATE TABLE t1 (a int, b int);
 insert into t1 values (1,1),(1,2);
diff --git a/mysql-test/r/insert_update.result b/mysql-test/r/insert_update.result
index 98e6878482b..f6a9c2505b9 100644
--- a/mysql-test/r/insert_update.result
+++ b/mysql-test/r/insert_update.result
@@ -358,3 +358,38 @@ id	c1	cnt
 5	Y	1
 6	Z	1
 DROP TABLE t1;
+CREATE TABLE t1 (
+id INT AUTO_INCREMENT PRIMARY KEY,
+c1 INT NOT NULL,
+cnt INT DEFAULT 1
+);
+INSERT INTO t1 (id,c1) VALUES (1,10);
+SELECT * FROM t1;
+id	c1	cnt
+1	10	1
+CREATE TABLE t2 (id INT, c1 INT);
+INSERT INTO t2 VALUES (1,NULL), (2,2);
+INSERT INTO t1 (id,c1) SELECT 1,NULL
+ON DUPLICATE KEY UPDATE c1=NULL;
+ERROR 23000: Column 'c1' cannot be null
+SELECT * FROM t1;
+id	c1	cnt
+1	10	1
+INSERT IGNORE INTO t1 (id,c1) SELECT 1,NULL
+ON DUPLICATE KEY UPDATE c1=NULL, cnt=cnt+1;
+Warnings:
+Warning	1263	Column was set to data type implicit default; NULL supplied for NOT NULL column 'c1' at row 1
+Error	1048	Column 'c1' cannot be null
+SELECT * FROM t1;
+id	c1	cnt
+1	0	2
+INSERT IGNORE INTO t1 (id,c1) SELECT * FROM t2
+ON DUPLICATE KEY UPDATE c1=NULL, cnt=cnt+1;
+Warnings:
+Warning	1263	Column was set to data type implicit default; NULL supplied for NOT NULL column 'c1' at row 1
+Error	1048	Column 'c1' cannot be null
+SELECT * FROM t1;
+id	c1	cnt
+1	0	3
+2	2	1
+DROP TABLE t1;
diff --git a/mysql-test/t/insert_update.test b/mysql-test/t/insert_update.test
index de4e73dca93..ff6ddf35c7b 100644
--- a/mysql-test/t/insert_update.test
+++ b/mysql-test/t/insert_update.test
@@ -264,3 +264,29 @@ INSERT  INTO t1 (c1) VALUES ('A'), ('X'), ('Y'), ('Z')
   ON DUPLICATE KEY UPDATE cnt=cnt+1;
 SELECT * FROM t1;
 DROP TABLE t1;
+
+#
+# Bug#28000: INSERT IGNORE ... SELECT ... ON DUPLICATE
+# with erroneous UPDATE: NOT NULL field with NULL value.
+#
+CREATE TABLE t1 (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  c1 INT NOT NULL,
+  cnt INT DEFAULT 1
+);
+INSERT INTO t1 (id,c1) VALUES (1,10);
+SELECT * FROM t1;
+CREATE TABLE t2 (id INT, c1 INT);
+INSERT INTO t2 VALUES (1,NULL), (2,2);
+--error 1048
+INSERT INTO t1 (id,c1) SELECT 1,NULL
+  ON DUPLICATE KEY UPDATE c1=NULL;
+SELECT * FROM t1;
+INSERT IGNORE INTO t1 (id,c1) SELECT 1,NULL
+  ON DUPLICATE KEY UPDATE c1=NULL, cnt=cnt+1;
+SELECT * FROM t1;
+INSERT IGNORE INTO t1 (id,c1) SELECT * FROM t2
+  ON DUPLICATE KEY UPDATE c1=NULL, cnt=cnt+1;
+SELECT * FROM t1;
+
+DROP TABLE t1;