diff --git a/libmysqld/CMakeLists.txt b/libmysqld/CMakeLists.txt
index 69d8b6e0f67..ddb52ce9014 100644
--- a/libmysqld/CMakeLists.txt
+++ b/libmysqld/CMakeLists.txt
@@ -28,7 +28,7 @@ ADD_LIBRARY(mysqldemb emb_qcache.cc libmysqld.c lib_sql.cc
             ../client/get_password.c ../libmysql/errmsg.c
             ../libmysql/libmysql.c ../sql/password.c ../sql-common/client.c
             ../sql-common/my_time.c ../sql-common/my_user.c
-            ../sql-common/pack.c ../sql/derror.cc ../sql/event_executor.cc
+            ../sql-common/pack.c ../sql/derror.cc ../sql/event_scheduler.cc
             ../sql/event_timed.cc ../sql/events.cc ../sql/discover.cc
             ../sql/field_conv.cc ../sql/field.cc ../sql/filesort.cc
             ../sql/gstream.cc ../sql/ha_heap.cc ../sql/ha_myisam.cc
diff --git a/mysql-test/r/federated.result b/mysql-test/r/federated.result
index 1b9d02a64d0..b7b3af7d60a 100644
--- a/mysql-test/r/federated.result
+++ b/mysql-test/r/federated.result
@@ -1603,6 +1603,22 @@ fld_cid	fld_name	fld_parentid	fld_delt
 5	Torkel	0	0
 DROP TABLE federated.t1;
 DROP TABLE federated.bug_17377_table;
+create table t1 (id int not null auto_increment primary key, val int);
+create table t1
+(id int not null auto_increment primary key, val int) engine=federated
+connection='mysql://root@127.0.0.1:SLAVE_PORT/test/t1';
+insert into t1 values (1,0),(2,0);
+update t1 set val = NULL where id = 1;
+select * from t1;
+id	val
+1	NULL
+2	0
+select * from t1;
+id	val
+1	NULL
+2	0
+drop table t1;
+drop table t1;
 drop table if exists federated.t1;
 create table federated.t1 (a int, b int, c int);
 drop table if exists federated.t1;
diff --git a/mysql-test/r/partition_hash.result b/mysql-test/r/partition_hash.result
index 08faccd024e..9a82a36d902 100644
--- a/mysql-test/r/partition_hash.result
+++ b/mysql-test/r/partition_hash.result
@@ -1,4 +1,88 @@
 drop table if exists t1;
+create table t1 (a int unsigned)
+partition by hash(a div 2)
+partitions 4;
+insert into t1 values (null),(0),(1),(2),(3),(4),(5),(6),(7);
+select * from t1 where a < 0;
+a
+select * from t1 where a is null or (a >= 5 and a <= 7);
+a
+NULL
+5
+6
+7
+select * from t1 where a is null;
+a
+NULL
+select * from t1 where a is not null;
+a
+0
+1
+2
+3
+4
+5
+6
+7
+select * from t1 where a >= 1 and a < 3;
+a
+1
+2
+select * from t1 where a >= 3 and a <= 5;
+a
+3
+4
+5
+select * from t1 where a > 2 and a < 4;
+a
+3
+select * from t1 where a > 3 and a <= 6;
+a
+4
+5
+6
+select * from t1 where a > 5;
+a
+6
+7
+select * from t1 where a >= 1 and a <= 5;
+a
+1
+2
+3
+4
+5
+explain partitions select * from t1 where a < 0;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0,p1,p2,p3	ALL	NULL	NULL	NULL	NULL	9	Using where
+explain partitions select * from t1 where a is null or (a >= 5 and a <= 7);
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0,p2,p3	ALL	NULL	NULL	NULL	NULL	7	Using where
+explain partitions select * from t1 where a is null;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t1 where a is not null;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0,p1,p2,p3	ALL	NULL	NULL	NULL	NULL	9	Using where
+explain partitions select * from t1 where a >= 1 and a < 3;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0,p1	ALL	NULL	NULL	NULL	NULL	5	Using where
+explain partitions select * from t1 where a >= 3 and a <= 5;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p1,p2	ALL	NULL	NULL	NULL	NULL	4	Using where
+explain partitions select * from t1 where a > 2 and a < 4;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p1	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t1 where a > 3 and a <= 6;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p2,p3	ALL	NULL	NULL	NULL	NULL	4	Using where
+explain partitions select * from t1 where a > 5;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0,p1,p2,p3	ALL	NULL	NULL	NULL	NULL	9	Using where
+explain partitions select * from t1 where a >= 1 and a <= 5;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0,p1,p2,p3	ALL	NULL	NULL	NULL	NULL	9	Using where
+drop table t1;
 CREATE TABLE t1 (
 a int not null,
 b int not null,
diff --git a/mysql-test/r/partition_list.result b/mysql-test/r/partition_list.result
index c722a3c6be3..e64a7a8d154 100644
--- a/mysql-test/r/partition_list.result
+++ b/mysql-test/r/partition_list.result
@@ -1,4 +1,98 @@
 drop table if exists t1;
+create table t1 (a int unsigned)
+partition by list (a)
+(partition p0 values in (0),
+partition p1 values in (1),
+partition pnull values in (null),
+partition p2 values in (2));
+insert into t1 values (null),(0),(1),(2);
+select * from t1 where a < 2;
+a
+0
+1
+select * from t1 where a <= 0;
+a
+0
+select * from t1 where a < 1;
+a
+0
+select * from t1 where a > 0;
+a
+1
+2
+select * from t1 where a > 1;
+a
+2
+select * from t1 where a >= 0;
+a
+0
+1
+2
+select * from t1 where a >= 1;
+a
+1
+2
+select * from t1 where a is null;
+a
+NULL
+select * from t1 where a is not null;
+a
+0
+1
+2
+select * from t1 where a is null or a > 0;
+a
+1
+NULL
+2
+drop table t1;
+create table t1 (a int unsigned, b int)
+partition by list (a)
+subpartition by hash (b)
+subpartitions 2
+(partition p0 values in (0),
+partition p1 values in (1),
+partition pnull values in (null, 2),
+partition p3 values in (3));
+insert into t1 values (0,0),(0,1),(1,0),(1,1),(null,0),(null,1);
+insert into t1 values (2,0),(2,1),(3,0),(3,1);
+explain partitions select * from t1 where a is null;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	pnull_pnullsp0,pnull_pnullsp1	ALL	NULL	NULL	NULL	NULL	4	Using where
+select * from t1 where a is null;
+a	b
+NULL	0
+NULL	1
+explain partitions select * from t1 where a = 2;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	pnull_pnullsp0,pnull_pnullsp1	ALL	NULL	NULL	NULL	NULL	4	Using where
+select * from t1 where a = 2;
+a	b
+2	0
+2	1
+select * from t1 where a <= 0;
+a	b
+0	0
+0	1
+select * from t1 where a < 3;
+a	b
+0	0
+0	1
+1	0
+1	1
+2	0
+2	1
+select * from t1 where a >= 1 or a is null;
+a	b
+1	0
+1	1
+NULL	0
+2	0
+NULL	1
+2	1
+3	0
+3	1
+drop table t1;
 CREATE TABLE t1 (
 a int not null,
 b int not null,
diff --git a/mysql-test/r/partition_pruning.result b/mysql-test/r/partition_pruning.result
index ee294242bf7..bf7888bfd99 100644
--- a/mysql-test/r/partition_pruning.result
+++ b/mysql-test/r/partition_pruning.result
@@ -149,6 +149,48 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 explain partitions select * from t6 where a > 3 and a < 5;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+drop table t6;
+create table t6 (a int unsigned not null) partition by LIST(a) (
+partition p1 values in (1),
+partition p3 values in (3),
+partition p5 values in (5),
+partition p7 values in (7),
+partition p9 values in (9)
+);
+insert into t6 values (1),(3),(5);
+explain partitions select * from t6 where a <  1;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t6 where a <= 1;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t6	p1	system	NULL	NULL	NULL	NULL	1	
+explain partitions select * from t6 where a >  9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t6 where a >= 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t6 where a > 0 and a < 5;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t6	p1,p3	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t6 where a > 5 and a < 12;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t6 where a > 3 and a < 8 ;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t6	p5,p7	system	NULL	NULL	NULL	NULL	1	
+explain partitions select * from t6 where a >= 0 and a <= 5;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t6	p1,p3,p5	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t6 where a >= 5 and a <= 12;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t6	p5,p7,p9	system	NULL	NULL	NULL	NULL	1	
+explain partitions select * from t6 where a >= 3 and a <= 8;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t6	p3,p5,p7	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t6 where a > 3 and a < 5;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 create table t7 (a int not null) partition by RANGE(a) (
 partition p10 values less than (10),
 partition p30 values less than (30),
@@ -184,6 +226,42 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 explain partitions select * from t7 where a > 11 and a < 29;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+drop table t7;
+create table t7 (a int unsigned not null) partition by RANGE(a) (
+partition p10 values less than (10),
+partition p30 values less than (30),
+partition p50 values less than (50),
+partition p70 values less than (70),
+partition p90 values less than (90)
+);
+insert into t7 values (10),(30),(50);
+explain partitions select * from t7 where a < 5;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a < 10;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a <= 10;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p10,p30	system	NULL	NULL	NULL	NULL	1	
+explain partitions select * from t7 where a = 10;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p30	system	NULL	NULL	NULL	NULL	1	
+explain partitions select * from t7 where a < 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a = 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a > 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a >= 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a > 11 and a < 29;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 create table t8 (a date not null) partition by RANGE(YEAR(a)) (
 partition p0 values less than (1980),
 partition p1 values less than (1990),
diff --git a/mysql-test/r/partition_range.result b/mysql-test/r/partition_range.result
index 9123c894f32..9812c80040b 100644
--- a/mysql-test/r/partition_range.result
+++ b/mysql-test/r/partition_range.result
@@ -1,4 +1,82 @@
 drop table if exists t1;
+create table t1 (a int unsigned)
+partition by range (a)
+(partition pnull values less than (0),
+partition p0 values less than (1),
+partition p1 values less than(2));
+insert into t1 values (null),(0),(1);
+select * from t1 where a is null;
+a
+NULL
+select * from t1 where a >= 0;
+a
+0
+1
+select * from t1 where a < 0;
+a
+select * from t1 where a <= 0;
+a
+0
+select * from t1 where a > 1;
+a
+explain partitions select * from t1 where a is null;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	pnull	system	NULL	NULL	NULL	NULL	1	
+explain partitions select * from t1 where a >= 0;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0,p1	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t1 where a < 0;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t1 where a <= 0;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	pnull,p0	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t1 where a > 1;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+drop table t1;
+create table t1 (a int unsigned, b int unsigned)
+partition by range (a)
+subpartition by hash (b)
+subpartitions 2
+(partition pnull values less than (0),
+partition p0 values less than (1),
+partition p1 values less than(2));
+insert into t1 values (null,0),(null,1),(0,0),(0,1),(1,0),(1,1);
+select * from t1 where a is null;
+a	b
+NULL	0
+NULL	1
+select * from t1 where a >= 0;
+a	b
+0	0
+0	1
+1	0
+1	1
+select * from t1 where a < 0;
+a	b
+select * from t1 where a <= 0;
+a	b
+0	0
+0	1
+select * from t1 where a > 1;
+a	b
+explain partitions select * from t1 where a is null;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	pnull_pnullsp0,pnull_pnullsp1	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t1 where a >= 0;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0_p0sp0,p0_p0sp1,p1_p1sp0,p1_p1sp1	ALL	NULL	NULL	NULL	NULL	4	Using where
+explain partitions select * from t1 where a < 0;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	pnull_pnullsp0,pnull_pnullsp1	ALL	NULL	NULL	NULL	NULL	2	Using where
+explain partitions select * from t1 where a <= 0;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	pnull_pnullsp0,pnull_pnullsp1,p0_p0sp0,p0_p0sp1	ALL	NULL	NULL	NULL	NULL	4	Using where
+explain partitions select * from t1 where a > 1;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p1_p1sp0,p1_p1sp1	ALL	NULL	NULL	NULL	NULL	2	Using where
+drop table t1;
 CREATE TABLE t1 (
 a int not null,
 b int not null,
diff --git a/mysql-test/r/sp_notembedded.result b/mysql-test/r/sp_notembedded.result
index c5d60446e0a..d2a958e8f0c 100644
--- a/mysql-test/r/sp_notembedded.result
+++ b/mysql-test/r/sp_notembedded.result
@@ -208,3 +208,17 @@ drop procedure bug10100pd|
 drop procedure bug10100pc|
 drop view v1|
 drop table t3|
+drop procedure if exists bug15298_1;
+drop procedure if exists bug15298_2;
+grant all privileges on test.* to 'mysqltest_1'@'localhost';
+create procedure 15298_1 () sql security definer show grants for current_user;
+create procedure 15298_2 () sql security definer show grants;
+call 15298_1();
+Grants for root@localhost
+GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION
+call 15298_2();
+Grants for root@localhost
+GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION
+drop user mysqltest_1@localhost;
+drop procedure 15298_1;
+drop procedure 15298_2;
diff --git a/mysql-test/r/strict.result b/mysql-test/r/strict.result
index 5ca185d6abc..dd96dc6d983 100644
--- a/mysql-test/r/strict.result
+++ b/mysql-test/r/strict.result
@@ -1298,3 +1298,49 @@ t2	CREATE TABLE `t2` (
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t2,t1;
 set @@sql_mode= @org_mode;
+set @@sql_mode='traditional';
+create table t1 (i int)
+comment '123456789*123456789*123456789*123456789*123456789*
+         123456789*123456789*123456789*123456789*123456789*';
+ERROR HY000: Too long comment for table 't1'
+create table t1 (
+i int comment
+'123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*');
+ERROR HY000: Too long comment for field 'i'
+set @@sql_mode= @org_mode;
+create table t1
+(i int comment
+'123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*');
+Warnings:
+Warning	1105	Unknown error
+select column_name, column_comment from information_schema.columns where
+table_schema = 'test' and table_name = 't1';
+column_name	column_comment
+i	123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+drop table t1;
+set names utf8;
+create table t1 (i int)
+comment '123456789*123456789*123456789*123456789*123456789*123456789*';
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='123456789*123456789*123456789*123456789*123456789*123456789*'
+drop table t1;
diff --git a/mysql-test/t/federated.test b/mysql-test/t/federated.test
index 77ca38b9587..7f7b2a4261b 100644
--- a/mysql-test/t/federated.test
+++ b/mysql-test/t/federated.test
@@ -1366,6 +1366,25 @@ drop table federated.t1, federated.t2;
 connection master;
 --enable_parsing
 
+#
+# Bug #16494: Updates that set a column to NULL fail sometimes
+#
+connection slave;
+create table t1 (id int not null auto_increment primary key, val int);
+connection master;
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval create table t1
+  (id int not null auto_increment primary key, val int) engine=federated
+  connection='mysql://root@127.0.0.1:$SLAVE_MYPORT/test/t1';
+insert into t1 values (1,0),(2,0);
+update t1 set val = NULL where id = 1;
+select * from t1;
+connection slave;
+select * from t1;
+drop table t1;
+connection master;
+drop table t1;
+
 # 
 # Additional test for bug#18437 "Wrong values inserted with a before
 # update trigger on NDB table". SQL-layer didn't properly inform
@@ -1377,6 +1396,7 @@ connection master;
 # for ON INSERT triggers only. Tests for other types of triggers reside
 # in ndb_trigger.test.
 #
+connection slave;
 --disable_warnings
 drop table if exists federated.t1;
 --enable_warnings
diff --git a/mysql-test/t/partition_hash.test b/mysql-test/t/partition_hash.test
index 8494de98371..3304f30fb1a 100644
--- a/mysql-test/t/partition_hash.test
+++ b/mysql-test/t/partition_hash.test
@@ -9,6 +9,36 @@
 drop table if exists t1;
 --enable_warnings
 
+#
+# More partition pruning tests, especially on interval walking
+#
+create table t1 (a int unsigned)
+partition by hash(a div 2)
+partitions 4;
+insert into t1 values (null),(0),(1),(2),(3),(4),(5),(6),(7);
+select * from t1 where a < 0;
+select * from t1 where a is null or (a >= 5 and a <= 7);
+select * from t1 where a is null;
+select * from t1 where a is not null;
+select * from t1 where a >= 1 and a < 3;
+select * from t1 where a >= 3 and a <= 5;
+select * from t1 where a > 2 and a < 4;
+select * from t1 where a > 3 and a <= 6;
+select * from t1 where a > 5;
+select * from t1 where a >= 1 and a <= 5;
+explain partitions select * from t1 where a < 0;
+explain partitions select * from t1 where a is null or (a >= 5 and a <= 7); 
+explain partitions select * from t1 where a is null;
+explain partitions select * from t1 where a is not null;
+explain partitions select * from t1 where a >= 1 and a < 3;
+explain partitions select * from t1 where a >= 3 and a <= 5;
+explain partitions select * from t1 where a > 2 and a < 4;
+explain partitions select * from t1 where a > 3 and a <= 6;
+explain partitions select * from t1 where a > 5;
+explain partitions select * from t1 where a >= 1 and a <= 5;
+
+drop table t1;
+
 #
 # Partition by hash, basic
 #
diff --git a/mysql-test/t/partition_list.test b/mysql-test/t/partition_list.test
index e243ec468e1..1e420cfe6ed 100644
--- a/mysql-test/t/partition_list.test
+++ b/mysql-test/t/partition_list.test
@@ -9,6 +9,49 @@
 drop table if exists t1;
 --enable_warnings
 
+#
+# Bug 20733: Zerofill columns gives wrong result with partitioned tables
+#
+create table t1 (a int unsigned)
+partition by list (a)
+(partition p0 values in (0),
+ partition p1 values in (1),
+ partition pnull values in (null),
+ partition p2 values in (2));
+
+insert into t1 values (null),(0),(1),(2);
+select * from t1 where a < 2;
+select * from t1 where a <= 0;
+select * from t1 where a < 1;
+select * from t1 where a > 0;
+select * from t1 where a > 1;
+select * from t1 where a >= 0;
+select * from t1 where a >= 1;
+select * from t1 where a is null;
+select * from t1 where a is not null;
+select * from t1 where a is null or a > 0;
+drop table t1;
+
+create table t1 (a int unsigned, b int)
+partition by list (a)
+subpartition by hash (b)
+subpartitions 2
+(partition p0 values in (0),
+ partition p1 values in (1),
+ partition pnull values in (null, 2),
+ partition p3 values in (3));
+insert into t1 values (0,0),(0,1),(1,0),(1,1),(null,0),(null,1);
+insert into t1 values (2,0),(2,1),(3,0),(3,1);
+
+explain partitions select * from t1 where a is null;
+select * from t1 where a is null;
+explain partitions select * from t1 where a = 2;
+select * from t1 where a = 2;
+select * from t1 where a <= 0;
+select * from t1 where a < 3;
+select * from t1 where a >= 1 or a is null;
+drop table t1;
+
 #
 # Test ordinary list partitioning that it works ok
 #
@@ -136,3 +179,4 @@ insert into t1 values (null);
 select * from t1;
 drop table t1;
 
+
diff --git a/mysql-test/t/partition_pruning.test b/mysql-test/t/partition_pruning.test
index 976466e1578..dd79e8d3acb 100644
--- a/mysql-test/t/partition_pruning.test
+++ b/mysql-test/t/partition_pruning.test
@@ -137,6 +137,32 @@ explain partitions select * from t6 where a >= 3 and a <= 8;
 
 explain partitions select * from t6 where a > 3 and a < 5;
 
+drop table t6;
+
+create table t6 (a int unsigned not null) partition by LIST(a) (
+  partition p1 values in (1),
+  partition p3 values in (3),
+  partition p5 values in (5),
+  partition p7 values in (7),
+  partition p9 values in (9)
+);
+insert into t6 values (1),(3),(5);
+
+explain partitions select * from t6 where a <  1;
+explain partitions select * from t6 where a <= 1;
+explain partitions select * from t6 where a >  9;
+explain partitions select * from t6 where a >= 9;
+
+explain partitions select * from t6 where a > 0 and a < 5;
+explain partitions select * from t6 where a > 5 and a < 12;
+explain partitions select * from t6 where a > 3 and a < 8 ;
+
+explain partitions select * from t6 where a >= 0 and a <= 5;
+explain partitions select * from t6 where a >= 5 and a <= 12;
+explain partitions select * from t6 where a >= 3 and a <= 8;
+
+explain partitions select * from t6 where a > 3 and a < 5;
+
 # RANGE(field) partitioning, interval analysis.
 create table t7 (a int not null) partition by RANGE(a) (
   partition p10 values less than (10),
@@ -162,6 +188,32 @@ explain partitions select * from t7 where a >= 90;
 # misc intervals
 explain partitions select * from t7 where a > 11 and a < 29;
 
+drop table t7;
+
+create table t7 (a int unsigned not null) partition by RANGE(a) (
+  partition p10 values less than (10),
+  partition p30 values less than (30),
+  partition p50 values less than (50),
+  partition p70 values less than (70),
+  partition p90 values less than (90)
+);
+insert into t7 values (10),(30),(50);
+
+# leftmost intervals
+explain partitions select * from t7 where a < 5;
+explain partitions select * from t7 where a < 10;
+explain partitions select * from t7 where a <= 10;
+explain partitions select * from t7 where a = 10;
+
+#rightmost intervals
+explain partitions select * from t7 where a < 90;
+explain partitions select * from t7 where a = 90;
+explain partitions select * from t7 where a > 90;
+explain partitions select * from t7 where a >= 90;
+
+# misc intervals
+explain partitions select * from t7 where a > 11 and a < 29;
+
 # LIST(monontonic_func) partitioning
 create table t8 (a date not null) partition by RANGE(YEAR(a)) (
   partition p0 values less than (1980),
diff --git a/mysql-test/t/partition_range.test b/mysql-test/t/partition_range.test
index 38142a9d485..670b9333ab9 100644
--- a/mysql-test/t/partition_range.test
+++ b/mysql-test/t/partition_range.test
@@ -9,6 +9,50 @@
 drop table if exists t1;
 --enable_warnings
 
+#
+# More checks for partition pruning
+#
+create table t1 (a int unsigned)
+partition by range (a)
+(partition pnull values less than (0),
+ partition p0 values less than (1),
+ partition p1 values less than(2));
+insert into t1 values (null),(0),(1);
+
+select * from t1 where a is null;
+select * from t1 where a >= 0;
+select * from t1 where a < 0;
+select * from t1 where a <= 0;
+select * from t1 where a > 1;
+explain partitions select * from t1 where a is null;
+explain partitions select * from t1 where a >= 0;
+explain partitions select * from t1 where a < 0;
+explain partitions select * from t1 where a <= 0;
+explain partitions select * from t1 where a > 1;
+drop table t1;
+
+create table t1 (a int unsigned, b int unsigned)
+partition by range (a)
+subpartition by hash (b)
+subpartitions 2
+(partition pnull values less than (0),
+ partition p0 values less than (1),
+ partition p1 values less than(2));
+insert into t1 values (null,0),(null,1),(0,0),(0,1),(1,0),(1,1);
+
+select * from t1 where a is null;
+select * from t1 where a >= 0;
+select * from t1 where a < 0;
+select * from t1 where a <= 0;
+select * from t1 where a > 1;
+explain partitions select * from t1 where a is null;
+explain partitions select * from t1 where a >= 0;
+explain partitions select * from t1 where a < 0;
+explain partitions select * from t1 where a <= 0;
+explain partitions select * from t1 where a > 1;
+
+drop table t1;
+
 #
 # Partition by range, basic
 #
diff --git a/mysql-test/t/sp_notembedded.test b/mysql-test/t/sp_notembedded.test
index 0adbeb2d98b..b087f699f86 100644
--- a/mysql-test/t/sp_notembedded.test
+++ b/mysql-test/t/sp_notembedded.test
@@ -265,3 +265,23 @@ drop view v1|
 drop table t3|
 
 delimiter ;|
+
+#
+# Bug#15298 SHOW GRANTS FOR CURRENT_USER: Incorrect output in DEFINER context
+#
+--disable_warnings
+drop procedure if exists bug15298_1;
+drop procedure if exists bug15298_2;
+--enable_warnings
+grant all privileges on test.* to 'mysqltest_1'@'localhost';
+create procedure 15298_1 () sql security definer show grants for current_user;
+create procedure 15298_2 () sql security definer show grants;
+
+connect (con1,localhost,mysqltest_1,,test);
+call 15298_1();
+call 15298_2();
+
+connection default;
+drop user mysqltest_1@localhost;
+drop procedure 15298_1;
+drop procedure 15298_2;
diff --git a/mysql-test/t/strict.test b/mysql-test/t/strict.test
index 212150e057c..f6a8824c841 100644
--- a/mysql-test/t/strict.test
+++ b/mysql-test/t/strict.test
@@ -1155,3 +1155,42 @@ create table t2 select date from t1;
 show create table t2;
 drop table t2,t1;
 set @@sql_mode= @org_mode;
+
+#
+# Bug #13934 Silent truncation of table comments
+#
+set @@sql_mode='traditional';
+--error 1105
+create table t1 (i int)
+comment '123456789*123456789*123456789*123456789*123456789*
+         123456789*123456789*123456789*123456789*123456789*';
+--error 1105
+create table t1 (
+i int comment
+'123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*
+ 123456789*123456789*123456789*123456789*');
+set @@sql_mode= @org_mode;
+create table t1
+(i int comment
+ '123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*
+  123456789*123456789*123456789*123456789*');
+
+select column_name, column_comment from information_schema.columns where
+table_schema = 'test' and table_name = 't1';
+drop table t1;
+
+set names utf8;
+create table t1 (i int)
+comment '123456789*123456789*123456789*123456789*123456789*123456789*';
+show create table t1;
+drop table t1;
diff --git a/netware/BUILD/mwasmnlm b/netware/BUILD/mwasmnlm
index 381f84ec0c8..11fc2bc3842 100755
--- a/netware/BUILD/mwasmnlm
+++ b/netware/BUILD/mwasmnlm
@@ -5,4 +5,7 @@ set -e
 
 args=" $*"
 
-wine --debugmsg -all -- mwasmnlm $args
+# NOTE: Option 'pipefail' is not standard sh
+set -o pipefail
+wine --debugmsg -all -- mwasmnlm $args | \
+perl -pe 's/\r//g; s/^\e.*\e(\[J|>)?//; s/[[^:print:]]//g'
diff --git a/netware/BUILD/mwccnlm b/netware/BUILD/mwccnlm
index cb2d62fe8cf..e6840e781f8 100755
--- a/netware/BUILD/mwccnlm
+++ b/netware/BUILD/mwccnlm
@@ -7,4 +7,7 @@ set -e
 # convert it to "-I../include"
 args=" "`echo $* | sed -e 's/-I.\/../-I../g'`
 
-wine --debugmsg -all -- mwccnlm $args
+# NOTE: Option 'pipefail' is not standard sh
+set -o pipefail
+wine --debugmsg -all -- mwccnlm $args | \
+perl -pe 's/\r//g; s/^\e.*\e(\[J|>)?//; s/[[^:print:]]//g'
diff --git a/netware/BUILD/mwldnlm b/netware/BUILD/mwldnlm
index 28566fc5cb1..cc8c9e63c6e 100755
--- a/netware/BUILD/mwldnlm
+++ b/netware/BUILD/mwldnlm
@@ -5,4 +5,7 @@ set -e
 
 args=" $*"
 
-wine --debugmsg -all -- mwldnlm $args
+# NOTE: Option 'pipefail' is not standard sh
+set -o pipefail
+wine --debugmsg -all -- mwldnlm $args | \
+perl -pe 's/\r//g; s/^\e.*\e(\[J|>)?//; s/[[^:print:]]//g'
diff --git a/sql-common/client.c b/sql-common/client.c
index 8c0420a27ba..83169db1a06 100644
--- a/sql-common/client.c
+++ b/sql-common/client.c
@@ -1509,6 +1509,7 @@ mysql_ssl_set(MYSQL *mysql __attribute__((unused)) ,
 */
 
 #ifdef HAVE_OPENSSL
+
 static void
 mysql_ssl_free(MYSQL *mysql __attribute__((unused)))
 {
@@ -1533,6 +1534,7 @@ mysql_ssl_free(MYSQL *mysql __attribute__((unused)))
   DBUG_VOID_RETURN;
 }
 
+#endif /* HAVE_OPENSSL */
 
 /*
   Return the SSL cipher (if any) used for current
@@ -1548,8 +1550,10 @@ const char * STDCALL
 mysql_get_ssl_cipher(MYSQL *mysql)
 {
   DBUG_ENTER("mysql_get_ssl_cipher");
+#ifdef HAVE_OPENSSL
   if (mysql->net.vio && mysql->net.vio->ssl_arg)
     DBUG_RETURN(SSL_get_cipher_name((SSL*)mysql->net.vio->ssl_arg));
+#endif /* HAVE_OPENSSL */
   DBUG_RETURN(NULL);
 }
 
@@ -1568,6 +1572,9 @@ mysql_get_ssl_cipher(MYSQL *mysql)
    1 Failed to validate server
 
  */
+
+#ifdef HAVE_OPENSSL
+
 static int ssl_verify_server_cert(Vio *vio, const char* server_hostname)
 {
   SSL *ssl;
diff --git a/sql/ha_federated.cc b/sql/ha_federated.cc
index ea1100938d7..7fb5bf12016 100644
--- a/sql/ha_federated.cc
+++ b/sql/ha_federated.cc
@@ -1775,7 +1775,7 @@ int ha_federated::repair(THD* thd, HA_CHECK_OPT* check_opt)
   it.
 
   Keep in mind that the server can do updates based on ordering if an ORDER BY
-  clause was used. Consecutive ordering is not guarenteed.
+  clause was used. Consecutive ordering is not guaranteed.
   Currently new_data will not have an updated auto_increament record, or
   and updated timestamp field. You can do these for federated by doing these:
   if (table->timestamp_on_update_now)
@@ -1801,22 +1801,16 @@ int ha_federated::update_row(const byte *old_data, byte *new_data)
     this.
   */
   bool has_a_primary_key= test(table->s->primary_key != MAX_KEY);
-  /* 
+  /*
     buffers for following strings
   */
-  char old_field_value_buffer[STRING_BUFFER_USUAL_SIZE];
-  char new_field_value_buffer[STRING_BUFFER_USUAL_SIZE];
+  char field_value_buffer[STRING_BUFFER_USUAL_SIZE];
   char update_buffer[FEDERATED_QUERY_BUFFER_SIZE];
   char where_buffer[FEDERATED_QUERY_BUFFER_SIZE];
 
-  /* stores the value to be replaced of the field were are updating */
-  String old_field_value(old_field_value_buffer,
-                         sizeof(old_field_value_buffer),
-                         &my_charset_bin);
-  /* stores the new value of the field */
-  String new_field_value(new_field_value_buffer,
-                         sizeof(new_field_value_buffer),
-                         &my_charset_bin);
+  /* Work area for field values */
+  String field_value(field_value_buffer, sizeof(field_value_buffer),
+                     &my_charset_bin);
   /* stores the update query */
   String update_string(update_buffer,
                        sizeof(update_buffer),
@@ -1826,11 +1820,10 @@ int ha_federated::update_row(const byte *old_data, byte *new_data)
                       sizeof(where_buffer),
                       &my_charset_bin);
   DBUG_ENTER("ha_federated::update_row");
-  /* 
+  /*
     set string lengths to 0 to avoid misc chars in string
   */
-  old_field_value.length(0);
-  new_field_value.length(0);
+  field_value.length(0);
   update_string.length(0);
   where_string.length(0);
 
@@ -1844,8 +1837,8 @@ int ha_federated::update_row(const byte *old_data, byte *new_data)
     In this loop, we want to match column names to values being inserted
     (while building INSERT statement).
 
-    Iterate through table->field (new data) and share->old_filed (old_data)
-    using the same index to created an SQL UPDATE statement, new data is
+    Iterate through table->field (new data) and share->old_field (old_data)
+    using the same index to create an SQL UPDATE statement. New data is
     used to create SET field=value and old data is used to create WHERE
     field=oldvalue
   */
@@ -1854,21 +1847,22 @@ int ha_federated::update_row(const byte *old_data, byte *new_data)
   {
     if (bitmap_is_set(table->write_set, (*field)->field_index))
     {
+      update_string.append((*field)->field_name);
+      update_string.append(FEDERATED_EQ);
+
       if ((*field)->is_null())
-        new_field_value.append(FEDERATED_NULL);
+        update_string.append(FEDERATED_NULL);
       else
       {
         my_bitmap_map *old_map= tmp_use_all_columns(table, table->read_set);
         /* otherwise = */
-        (*field)->val_str(&new_field_value);
-        (*field)->quote_data(&new_field_value);
+        (*field)->val_str(&field_value);
+        (*field)->quote_data(&field_value);
+        update_string.append(field_value);
+        field_value.length(0);
         tmp_restore_column_map(table->read_set, old_map);
       }
-      update_string.append((*field)->field_name);
-      update_string.append(FEDERATED_EQ);
-      update_string.append(new_field_value);
       update_string.append(FEDERATED_COMMA);
-      new_field_value.length(0);
     }
 
     if (bitmap_is_set(table->read_set, (*field)->field_index))
@@ -1879,11 +1873,11 @@ int ha_federated::update_row(const byte *old_data, byte *new_data)
       else
       {
         where_string.append(FEDERATED_EQ);
-        (*field)->val_str(&old_field_value,
+        (*field)->val_str(&field_value,
                           (char*) (old_data + (*field)->offset()));
-        (*field)->quote_data(&old_field_value);
-        where_string.append(old_field_value);
-        old_field_value.length(0);
+        (*field)->quote_data(&field_value);
+        where_string.append(field_value);
+        field_value.length(0);
       }
       where_string.append(FEDERATED_AND);
     }
diff --git a/sql/handler.h b/sql/handler.h
index 3c090b887a3..b4572d449e5 100644
--- a/sql/handler.h
+++ b/sql/handler.h
@@ -725,7 +725,8 @@ typedef struct st_ha_create_information
 {
   CHARSET_INFO *table_charset, *default_table_charset;
   LEX_STRING connect_string;
-  const char *comment,*password, *tablespace;
+  const char *password, *tablespace;
+  LEX_STRING comment;
   const char *data_file_name, *index_file_name;
   const char *alias;
   ulonglong max_rows,min_rows;
diff --git a/sql/item.cc b/sql/item.cc
index eff2b744972..7d4eca07232 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -1501,7 +1501,18 @@ bool agg_item_charsets(DTCollation &coll, const char *fname,
 }
 
 
-
+void Item_ident_for_show::make_field(Send_field *tmp_field)
+{
+  tmp_field->table_name= tmp_field->org_table_name= table_name;
+  tmp_field->db_name= db_name;
+  tmp_field->col_name= tmp_field->org_col_name= field->field_name;
+  tmp_field->charsetnr= field->charset()->number;
+  tmp_field->length=field->field_length;
+  tmp_field->type=field->type();
+  tmp_field->flags= field->table->maybe_null ? 
+    (field->flags & ~NOT_NULL_FLAG) : field->flags;
+  tmp_field->decimals= 0;
+}
 
 /**********************************************/
 
diff --git a/sql/item.h b/sql/item.h
index 216a381af75..be25d51bea1 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -1199,6 +1199,28 @@ public:
                             bool any_privileges);
 };
 
+
+class Item_ident_for_show :public Item
+{
+public:
+  Field *field;
+  const char *db_name;
+  const char *table_name;
+
+  Item_ident_for_show(Field *par_field, const char *db_arg,
+                      const char *table_name_arg)
+    :field(par_field), db_name(db_arg), table_name(table_name_arg)
+  {}
+
+  enum Type type() const { return FIELD_ITEM; }
+  double val_real() { return field->val_real(); }
+  longlong val_int() { return field->val_int(); }
+  String *val_str(String *str) { return field->val_str(str); }
+  my_decimal *val_decimal(my_decimal *dec) { return field->val_decimal(dec); }
+  void make_field(Send_field *tmp_field);
+};
+
+
 class Item_equal;
 class COND_EQUAL;
 
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc
index c9c12b154c4..9a3f43c7f05 100644
--- a/sql/item_cmpfunc.cc
+++ b/sql/item_cmpfunc.cc
@@ -3318,7 +3318,7 @@ longlong Item_func_regex::val_int()
     }
   }
   null_value=0;
-  return my_regexec(&preg,res->c_ptr(),0,(my_regmatch_t*) 0,0) ? 0 : 1;
+  return my_regexec(&preg,res->c_ptr_safe(),0,(my_regmatch_t*) 0,0) ? 0 : 1;
 }
 
 
diff --git a/sql/mysql_priv.h b/sql/mysql_priv.h
index 55958bae061..08b7467eafb 100644
--- a/sql/mysql_priv.h
+++ b/sql/mysql_priv.h
@@ -555,6 +555,7 @@ int append_query_string(CHARSET_INFO *csinfo,
 void get_default_definer(THD *thd, LEX_USER *definer);
 LEX_USER *create_default_definer(THD *thd);
 LEX_USER *create_definer(THD *thd, LEX_STRING *user_name, LEX_STRING *host_name);
+LEX_USER *get_current_user(THD *thd, LEX_USER *user);
 
 enum enum_mysql_completiontype {
   ROLLBACK_RELEASE=-2, ROLLBACK=1,  ROLLBACK_AND_CHAIN=7,
diff --git a/sql/opt_range.cc b/sql/opt_range.cc
index d62cb134209..956e23a09aa 100644
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -3203,7 +3203,12 @@ static bool create_partition_index_description(PART_PRUNE_PARAM *ppar)
 
     ppar->is_part_keypart[part]= !in_subpart_fields;
     ppar->is_subpart_keypart[part]= in_subpart_fields;
- 
+
+    /*
+      Check if this was last field in this array, in this case we
+      switch to subpartitioning fields. (This will only happens if
+      there are subpartitioning fields to cater for).
+    */
     if (!*(++field))
     {
       field= part_info->subpart_field_array;
diff --git a/sql/sql_acl.cc b/sql/sql_acl.cc
index e82ad611427..2d5b9d98061 100644
--- a/sql/sql_acl.cc
+++ b/sql/sql_acl.cc
@@ -2906,7 +2906,7 @@ bool mysql_table_grant(THD *thd, TABLE_LIST *table_list,
 {
   ulong column_priv= 0;
   List_iterator <LEX_USER> str_list (user_list);
-  LEX_USER *Str;
+  LEX_USER *Str, *tmp_Str;
   TABLE_LIST tables[3];
   bool create_new_users=0;
   char *db_name, *table_name;
@@ -3032,10 +3032,15 @@ bool mysql_table_grant(THD *thd, TABLE_LIST *table_list,
   thd->mem_root= &memex;
   grant_version++;
 
-  while ((Str = str_list++))
+  while ((tmp_Str = str_list++))
   {
     int error;
     GRANT_TABLE *grant_table;
+    if (!(Str= get_current_user(thd, tmp_Str)))
+    {
+      result= TRUE;
+      continue;
+    }  
     if (Str->host.length > HOSTNAME_LENGTH ||
 	Str->user.length > USERNAME_LENGTH)
     {
@@ -3171,7 +3176,7 @@ bool mysql_routine_grant(THD *thd, TABLE_LIST *table_list, bool is_proc,
 			 bool revoke_grant, bool no_error)
 {
   List_iterator <LEX_USER> str_list (user_list);
-  LEX_USER *Str;
+  LEX_USER *Str, *tmp_Str;
   TABLE_LIST tables[2];
   bool create_new_users=0, result=0;
   char *db_name, *table_name;
@@ -3239,10 +3244,15 @@ bool mysql_routine_grant(THD *thd, TABLE_LIST *table_list, bool is_proc,
 
   DBUG_PRINT("info",("now time to iterate and add users"));
 
-  while ((Str= str_list++))
+  while ((tmp_Str= str_list++))
   {
     int error;
     GRANT_NAME *grant_name;
+    if (!(Str= get_current_user(thd, tmp_Str)))
+    {
+      result= TRUE;
+      continue;
+    }  
     if (Str->host.length > HOSTNAME_LENGTH ||
 	Str->user.length > USERNAME_LENGTH)
     {
@@ -3311,7 +3321,7 @@ bool mysql_grant(THD *thd, const char *db, List <LEX_USER> &list,
                  ulong rights, bool revoke_grant)
 {
   List_iterator <LEX_USER> str_list (list);
-  LEX_USER *Str;
+  LEX_USER *Str, *tmp_Str;
   char tmp_db[NAME_LEN+1];
   bool create_new_users=0;
   TABLE_LIST tables[2];
@@ -3370,8 +3380,13 @@ bool mysql_grant(THD *thd, const char *db, List <LEX_USER> &list,
   grant_version++;
 
   int result=0;
-  while ((Str = str_list++))
+  while ((tmp_Str = str_list++))
   {
+    if (!(Str= get_current_user(thd, tmp_Str)))
+    {
+      result= TRUE;
+      continue;
+    }  
     if (Str->host.length > HOSTNAME_LENGTH ||
 	Str->user.length > USERNAME_LENGTH)
     {
@@ -5334,7 +5349,7 @@ bool mysql_create_user(THD *thd, List <LEX_USER> &list)
   int result;
   String wrong_users;
   ulong sql_mode;
-  LEX_USER *user_name;
+  LEX_USER *user_name, *tmp_user_name;
   List_iterator <LEX_USER> user_list(list);
   TABLE_LIST tables[GRANT_TABLES];
   DBUG_ENTER("mysql_create_user");
@@ -5346,8 +5361,13 @@ bool mysql_create_user(THD *thd, List <LEX_USER> &list)
   rw_wrlock(&LOCK_grant);
   VOID(pthread_mutex_lock(&acl_cache->lock));
 
-  while ((user_name= user_list++))
+  while ((tmp_user_name= user_list++))
   {
+    if (!(user_name= get_current_user(thd, tmp_user_name)))
+    {
+      result= TRUE;
+      continue;
+    }  
     /*
       Search all in-memory structures and grant tables
       for a mention of the new user name.
@@ -5393,7 +5413,7 @@ bool mysql_drop_user(THD *thd, List <LEX_USER> &list)
 {
   int result;
   String wrong_users;
-  LEX_USER *user_name;
+  LEX_USER *user_name, *tmp_user_name;
   List_iterator <LEX_USER> user_list(list);
   TABLE_LIST tables[GRANT_TABLES];
   DBUG_ENTER("mysql_drop_user");
@@ -5405,8 +5425,14 @@ bool mysql_drop_user(THD *thd, List <LEX_USER> &list)
   rw_wrlock(&LOCK_grant);
   VOID(pthread_mutex_lock(&acl_cache->lock));
 
-  while ((user_name= user_list++))
+  while ((tmp_user_name= user_list++))
   {
+    user_name= get_current_user(thd, tmp_user_name);
+    if (!(user_name= get_current_user(thd, tmp_user_name)))
+    {
+      result= TRUE;
+      continue;
+    }  
     if (handle_grant_data(tables, 1, user_name, NULL) <= 0)
     {
       append_user(&wrong_users, user_name);
@@ -5443,8 +5469,8 @@ bool mysql_rename_user(THD *thd, List <LEX_USER> &list)
 {
   int result;
   String wrong_users;
-  LEX_USER *user_from;
-  LEX_USER *user_to;
+  LEX_USER *user_from, *tmp_user_from;
+  LEX_USER *user_to, *tmp_user_to;
   List_iterator <LEX_USER> user_list(list);
   TABLE_LIST tables[GRANT_TABLES];
   DBUG_ENTER("mysql_rename_user");
@@ -5456,9 +5482,19 @@ bool mysql_rename_user(THD *thd, List <LEX_USER> &list)
   rw_wrlock(&LOCK_grant);
   VOID(pthread_mutex_lock(&acl_cache->lock));
 
-  while ((user_from= user_list++))
+  while ((tmp_user_from= user_list++))
   {
-    user_to= user_list++;
+    if (!(user_from= get_current_user(thd, tmp_user_from)))
+    {
+      result= TRUE;
+      continue;
+    }  
+    tmp_user_to= user_list++;
+    if (!(user_to= get_current_user(thd, tmp_user_to)))
+    {
+      result= TRUE;
+      continue;
+    }  
     DBUG_ASSERT(user_to != 0); /* Syntax enforces pairs of users. */
 
     /*
@@ -5513,10 +5549,15 @@ bool mysql_revoke_all(THD *thd,  List <LEX_USER> &list)
   rw_wrlock(&LOCK_grant);
   VOID(pthread_mutex_lock(&acl_cache->lock));
 
-  LEX_USER *lex_user;
+  LEX_USER *lex_user, *tmp_lex_user;
   List_iterator <LEX_USER> user_list(list);
-  while ((lex_user=user_list++))
+  while ((tmp_lex_user= user_list++))
   {
+    if (!(lex_user= get_current_user(thd, tmp_lex_user)))
+    {
+      result= -1;
+      continue;
+    }  
     if (!find_acl_user(lex_user->host.str, lex_user->user.str, TRUE))
     {
       sql_print_error("REVOKE ALL PRIVILEGES, GRANT: User '%s'@'%s' does not "
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index 7bf2e20ea74..b86dfa91a15 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -4070,11 +4070,13 @@ end_with_restore_list:
 
     if (thd->security_ctx->user)              // If not replication
     {
-      LEX_USER *user;
+      LEX_USER *user, *tmp_user;
 
       List_iterator <LEX_USER> user_list(lex->users_list);
-      while ((user= user_list++))
+      while ((tmp_user= user_list++))
       {
+        if (!(user= get_current_user(thd, tmp_user)))
+          goto error;
         if (specialflag & SPECIAL_NO_RESOLVE &&
             hostname_requires_resolving(user->host.str))
           push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
@@ -4156,9 +4158,13 @@ end_with_restore_list:
 	if (lex->sql_command == SQLCOM_GRANT)
 	{
 	  List_iterator <LEX_USER> str_list(lex->users_list);
-	  LEX_USER *user;
-	  while ((user=str_list++))
+	  LEX_USER *user, *tmp_user;
+	  while ((tmp_user=str_list++))
+          {
+            if (!(user= get_current_user(thd, tmp_user)))
+              goto error;
 	    reset_mqh(user);
+          }
 	}
       }
     }
@@ -4213,13 +4219,18 @@ end_with_restore_list:
   }
 #ifndef NO_EMBEDDED_ACCESS_CHECKS
   case SQLCOM_SHOW_GRANTS:
+  {
+    LEX_USER *grant_user= get_current_user(thd, lex->grant_user);
+    if (!grant_user)
+      goto error;
     if ((thd->security_ctx->priv_user &&
-	 !strcmp(thd->security_ctx->priv_user, lex->grant_user->user.str)) ||
+	 !strcmp(thd->security_ctx->priv_user, grant_user->user.str)) ||
 	!check_access(thd, SELECT_ACL, "mysql",0,1,0,0))
     {
-      res = mysql_show_grants(thd,lex->grant_user);
+      res = mysql_show_grants(thd, grant_user);
     }
     break;
+  }
 #endif
   case SQLCOM_HA_OPEN:
     DBUG_ASSERT(first_table == all_tables && first_table != 0);
@@ -7788,3 +7799,34 @@ LEX_USER *create_definer(THD *thd, LEX_STRING *user_name, LEX_STRING *host_name)
 
   return definer;
 }
+
+
+/*
+  Retuns information about user or current user.
+
+  SYNOPSIS
+    get_current_user()
+    thd         [in] thread handler
+    user        [in] user
+
+  RETURN
+    On success, return a valid pointer to initialized
+    LEX_USER, which contains user information.
+    On error, return 0.
+*/
+
+LEX_USER *get_current_user(THD *thd, LEX_USER *user)
+{
+  LEX_USER *curr_user;
+  if (!user->user.str)  // current_user
+  {
+    if (!(curr_user= (LEX_USER*) thd->alloc(sizeof(LEX_USER))))
+    {
+      my_error(ER_OUTOFMEMORY, MYF(0), sizeof(LEX_USER));
+      return 0;
+    }
+    get_default_definer(thd, curr_user);
+    return curr_user;
+  }
+  return user;
+}
diff --git a/sql/sql_partition.cc b/sql/sql_partition.cc
index 44c0b8ffcd9..3f1572ee676 100644
--- a/sql/sql_partition.cc
+++ b/sql/sql_partition.cc
@@ -2415,6 +2415,10 @@ uint32 get_list_array_idx_for_endpoint(partition_info *part_info,
   bool unsigned_flag= part_info->part_expr->unsigned_flag;
   DBUG_ENTER("get_list_array_idx_for_endpoint");
 
+  if (part_info->part_expr->null_value)
+  {
+    DBUG_RETURN(0);
+  }
   if (unsigned_flag)
     part_func_value-= 0x8000000000000000ULL;
   DBUG_ASSERT(part_info->no_list_values);
@@ -2539,6 +2543,13 @@ uint32 get_partition_id_range_for_endpoint(partition_info *part_info,
   bool unsigned_flag= part_info->part_expr->unsigned_flag;
   DBUG_ENTER("get_partition_id_range_for_endpoint");
 
+  if (part_info->part_expr->null_value)
+  {
+    uint32 ret_part_id= 0;
+    if (!left_endpoint && include_endpoint)
+      ret_part_id= 1;
+    DBUG_RETURN(ret_part_id);
+  }
   if (unsigned_flag)
     part_func_value-= 0x8000000000000000ULL;
   while (max_part_id > min_part_id)
diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index 1a7547a5348..d80282eecf6 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -770,7 +770,14 @@ mysqld_list_fields(THD *thd, TABLE_LIST *table_list, const char *wild)
   {
     if (!wild || !wild[0] || 
         !wild_case_compare(system_charset_info, field->field_name,wild))
-      field_list.push_back(new Item_field(field));
+    {
+      if (table_list->view)
+        field_list.push_back(new Item_ident_for_show(field,
+                                                     table_list->view_db.str,
+                                                     table_list->view_name.str));
+      else
+        field_list.push_back(new Item_field(field));
+    }
   }
   restore_record(table, s->default_values);              // Get empty record
   table->use_all_columns();
@@ -1345,10 +1352,10 @@ int store_create_info(THD *thd, TABLE_LIST *table_list, String *packet,
       packet->append(buff, (uint) (end - buff));
     }
     table->file->append_create_info(packet);
-    if (share->comment && share->comment[0])
+    if (share->comment.length)
     {
       packet->append(STRING_WITH_LEN(" COMMENT="));
-      append_unescaped(packet, share->comment, strlen(share->comment));
+      append_unescaped(packet, share->comment.str, share->comment.length);
     }
     if (share->connect_string.length)
     {
@@ -2901,11 +2908,14 @@ static int get_schema_tables_record(THD *thd, struct st_table_list *tables,
                              (uint) (ptr-option_buff)-1), cs);
     {
       char *comment;
-      comment= show_table->file->update_table_comment(share->comment);
+      comment= show_table->file->update_table_comment(share->comment.str);
       if (comment)
       {
-        table->field[20]->store(comment, strlen(comment), cs);
-        if (comment != share->comment)
+        table->field[20]->store(comment,
+                                (comment == share->comment.str ?
+                                 share->comment.length : 
+                                 strlen(comment)), cs);
+        if (comment != share->comment.str)
           my_free(comment, MYF(0));
       }
     }
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index ccddefab421..5dd60f87c46 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -5479,8 +5479,11 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
     goto err;
   }
   create_info->db_type=new_db_type;
-  if (!create_info->comment)
-    create_info->comment= table->s->comment;
+  if (!create_info->comment.str)
+  {
+    create_info->comment.str= table->s->comment.str;
+    create_info->comment.length= table->s->comment.length;
+  }
 
   table->file->update_create_info(create_info);
   if ((create_info->table_options &
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy
index e345b61e41e..3fa536b99ae 100644
--- a/sql/sql_yacc.yy
+++ b/sql/sql_yacc.yy
@@ -3880,7 +3880,7 @@ create_table_option:
 	| MIN_ROWS opt_equal ulonglong_num	{ Lex->create_info.min_rows= $3; Lex->create_info.used_fields|= HA_CREATE_USED_MIN_ROWS;}
 	| AVG_ROW_LENGTH opt_equal ulong_num	{ Lex->create_info.avg_row_length=$3; Lex->create_info.used_fields|= HA_CREATE_USED_AVG_ROW_LENGTH;}
 	| PASSWORD opt_equal TEXT_STRING_sys	{ Lex->create_info.password=$3.str; Lex->create_info.used_fields|= HA_CREATE_USED_PASSWORD; }
-	| COMMENT_SYM opt_equal TEXT_STRING_sys	{ Lex->create_info.comment=$3.str; Lex->create_info.used_fields|= HA_CREATE_USED_COMMENT; }
+	| COMMENT_SYM opt_equal TEXT_STRING_sys	{ Lex->create_info.comment=$3; Lex->create_info.used_fields|= HA_CREATE_USED_COMMENT; }
 	| AUTO_INC opt_equal ulonglong_num	{ Lex->create_info.auto_increment_value=$3; Lex->create_info.used_fields|= HA_CREATE_USED_AUTO;}
         | PACK_KEYS_SYM opt_equal ulong_num
           {
@@ -8353,24 +8353,10 @@ show_param:
 	  {
 	    LEX *lex=Lex;
 	    lex->sql_command= SQLCOM_SHOW_GRANTS;
-	    THD *thd= lex->thd;
-            Security_context *sctx= thd->security_ctx;
 	    LEX_USER *curr_user;
-            if (!(curr_user= (LEX_USER*) thd->alloc(sizeof(st_lex_user))))
+            if (!(curr_user= (LEX_USER*) lex->thd->alloc(sizeof(st_lex_user))))
               YYABORT;
-            curr_user->user.str= sctx->priv_user;
-            curr_user->user.length= strlen(sctx->priv_user);
-            if (*sctx->priv_host != 0)
-            {
-              curr_user->host.str= sctx->priv_host;
-              curr_user->host.length= strlen(sctx->priv_host);
-            }
-            else
-            {
-              curr_user->host.str= (char *) "%";
-              curr_user->host.length= 1;
-            }
-            curr_user->password=null_lex_str;
+            bzero(curr_user, sizeof(st_lex_user));
 	    lex->grant_user= curr_user;
 	  }
 	| GRANTS FOR_SYM user
@@ -9317,22 +9303,14 @@ user:
 	  }
 	| CURRENT_USER optional_braces
 	{
-          THD *thd= YYTHD;
-          Security_context *sctx= thd->security_ctx;
-          if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
+          if (!($$=(LEX_USER*) YYTHD->alloc(sizeof(st_lex_user))))
             YYABORT;
-          $$->user.str= sctx->priv_user;
-          $$->user.length= strlen(sctx->priv_user);
-          if (*sctx->priv_host != 0)
-          {
-            $$->host.str= sctx->priv_host;
-            $$->host.length= strlen(sctx->priv_host);
-          }
-          else
-          {
-            $$->host.str= (char *) "%";
-            $$->host.length= 1;
-          }
+          /* 
+            empty LEX_USER means current_user and 
+            will be handled in the  get_current_user() function
+            later
+          */
+          bzero($$, sizeof(LEX_USER));
 	};
 
 /* Keyword that we allow for identifiers (except SP labels) */
diff --git a/sql/table.cc b/sql/table.cc
index 163f2a4f0b8..4c035f23fe6 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -743,7 +743,9 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
   int_length= uint2korr(head+274);
   share->null_fields= uint2korr(head+282);
   com_length= uint2korr(head+284);
-  share->comment= strdup_root(&share->mem_root, (char*) head+47);
+  share->comment.length=  (int) (head[46]);
+  share->comment.str= strmake_root(&share->mem_root, (char*) head+47,
+                                   share->comment.length);
 
   DBUG_PRINT("info",("i_count: %d  i_parts: %d  index: %d  n_length: %d  int_length: %d  com_length: %d", interval_count,interval_parts, share->keys,n_length,int_length, com_length));
 
diff --git a/sql/table.h b/sql/table.h
index 067c9d15887..f79d259ea5c 100644
--- a/sql/table.h
+++ b/sql/table.h
@@ -134,7 +134,7 @@ typedef struct st_table_share
   uint	*blob_field;			/* Index to blobs in Field arrray*/
 
   byte	*default_values;		/* row with default values */
-  char	*comment;			/* Comment about table */
+  LEX_STRING comment;			/* Comment about table */
   CHARSET_INFO *table_charset;		/* Default charset of string fields */
 
   MY_BITMAP all_set;
diff --git a/sql/unireg.cc b/sql/unireg.cc
index 42518e7b9b7..f57fe7cf9b8 100644
--- a/sql/unireg.cc
+++ b/sql/unireg.cc
@@ -77,7 +77,7 @@ bool mysql_create_frm(THD *thd, const char *file_name,
 		      handler *db_file)
 {
   LEX_STRING str_db_type;
-  uint reclength,info_length,screens,key_info_length,maxlength,i;
+  uint reclength, info_length, screens, key_info_length, maxlength, tmp_len, i;
   ulong key_buff_length;
   File file;
   ulong filepos, data_offset;
@@ -170,10 +170,30 @@ bool mysql_create_frm(THD *thd, const char *file_name,
   fileinfo[26]= (uchar) test((create_info->max_rows == 1) &&
 			     (create_info->min_rows == 1) && (keys == 0));
   int2store(fileinfo+28,key_info_length);
-  strmake((char*) forminfo+47,create_info->comment ? create_info->comment : "",
-	  60);
-  forminfo[46]=(uchar) strlen((char*)forminfo+47);	// Length of comment
 
+  tmp_len= system_charset_info->cset->charpos(system_charset_info,
+                                              create_info->comment.str,
+                                              create_info->comment.str +
+                                              create_info->comment.length, 60);
+  if (tmp_len < create_info->comment.length)
+  {
+    char buff[128];
+    (void) my_snprintf(buff, sizeof(buff), "Too long comment for table '%s'",
+                       table);
+    if ((thd->variables.sql_mode &
+         (MODE_STRICT_TRANS_TABLES | MODE_STRICT_ALL_TABLES)))
+    {
+      my_message(ER_UNKNOWN_ERROR, buff, MYF(0));
+      goto err;
+    }
+    push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+                        ER_UNKNOWN_ERROR, ER(ER_UNKNOWN_ERROR), buff);
+    create_info->comment.length= tmp_len;
+  }
+
+  strmake((char*) forminfo+47, create_info->comment.str ?
+          create_info->comment.str : "", create_info->comment.length);
+  forminfo[46]=(uchar) create_info->comment.length;
 #ifdef WITH_PARTITION_STORAGE_ENGINE
   if (part_info)
   {
@@ -182,6 +202,7 @@ bool mysql_create_frm(THD *thd, const char *file_name,
   }
 #endif
   int2store(fileinfo+59,db_file->extra_rec_buf_length());
+
   if (my_pwrite(file,(byte*) fileinfo,64,0L,MYF_RW) ||
       my_pwrite(file,(byte*) keybuff,key_info_length,
 		(ulong) uint2korr(fileinfo+6),MYF_RW))
@@ -524,6 +545,27 @@ static bool pack_header(uchar *forminfo, enum legacy_db_type table_type,
   create_field *field;
   while ((field=it++))
   {
+
+    uint tmp_len= system_charset_info->cset->charpos(system_charset_info,
+                                                     field->comment.str,
+                                                     field->comment.str +
+                                                     field->comment.length, 255);
+    if (tmp_len < field->comment.length)
+    {
+      char buff[128];
+      (void) my_snprintf(buff,sizeof(buff), "Too long comment for field '%s'",
+                         field->field_name);
+      if ((current_thd->variables.sql_mode &
+	   (MODE_STRICT_TRANS_TABLES | MODE_STRICT_ALL_TABLES)))
+      {
+        my_message(ER_UNKNOWN_ERROR, buff, MYF(0));
+	DBUG_RETURN(1);
+      }
+      push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+                          ER_UNKNOWN_ERROR, ER(ER_UNKNOWN_ERROR), buff);
+      field->comment.length= tmp_len;
+    }
+
     totlength+= field->length;
     com_length+= field->comment.length;
     if (MTYP_TYPENR(field->unireg_check) == Field::NOEMPTY ||
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8ee64f8179c..fd7bc5a532e 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -50,8 +50,14 @@ INCLUDES =		-I$(top_builddir)/include -I$(top_srcdir)/include \
 LIBS =			@CLIENT_LIBS@
 LDADD =			@CLIENT_EXTRA_LDFLAGS@ \
                         $(LIBMYSQLCLIENT_LA)
+if HAVE_NETWARE
+mysql_client_test_LDADD= $(LDADD) $(CXXLDFLAGS)
+mysql_client_test_SOURCES= mysql_client_test.c $(yassl_dummy_link_fix) \
+			../mysys/my_memmem.c
+else
 mysql_client_test_LDADD= $(LDADD) $(CXXLDFLAGS) -L../mysys -lmysys
 mysql_client_test_SOURCES= mysql_client_test.c $(yassl_dummy_link_fix)
+endif
 insert_test_SOURCES=       insert_test.c $(yassl_dummy_link_fix)
 select_test_SOURCES=       select_test.c $(yassl_dummy_link_fix)
 insert_test_DEPENDENCIES=	$(LIBRARIES) $(pkglib_LTLIBRARIES)
diff --git a/tests/mysql_client_test.c b/tests/mysql_client_test.c
index d0b7d22ca24..8c010ee3728 100644
--- a/tests/mysql_client_test.c
+++ b/tests/mysql_client_test.c
@@ -8311,6 +8311,39 @@ static void test_list_fields()
 }
 
 
+static void test_bug19671()
+{
+  MYSQL_RES *result;
+  int rc;
+  myheader("test_bug19671");
+
+  rc= mysql_query(mysql, "drop table if exists t1");
+  myquery(rc);
+
+  rc= mysql_query(mysql, "drop view if exists v1");
+  myquery(rc);
+
+  rc= mysql_query(mysql, "create table t1(f1 int)");
+  myquery(rc);
+
+  rc= mysql_query(mysql, "create view v1 as select va.* from t1 va");
+  myquery(rc);
+
+  result= mysql_list_fields(mysql, "v1", NULL);
+  mytest(result);
+
+  rc= my_process_result_set(result);
+  DIE_UNLESS(rc == 0);
+
+  verify_prepare_field(result, 0, "f1", "f1", MYSQL_TYPE_LONG,
+                       "v1", "v1", current_db, 11, "0");
+
+  mysql_free_result(result);
+  myquery(mysql_query(mysql, "drop view v1"));
+  myquery(mysql_query(mysql, "drop table t1"));
+}
+
+
 /* Test a memory ovverun bug */
 
 static void test_mem_overun()
@@ -15455,6 +15488,7 @@ static struct my_tests_st my_tests[]= {
   { "test_bug14169", test_bug14169 },
   { "test_bug17667", test_bug17667 },
   { "test_mysql_insert_id", test_mysql_insert_id },
+  { "test_bug19671", test_bug19671},
   { 0, 0 }
 };