diff --git a/CMakeLists.txt b/CMakeLists.txt
index a06495021b3..341f8d08df2 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,6 +13,8 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
+CMAKE_MINIMUM_REQUIRED(VERSION 2.4.7 FATAL_ERROR)
+
 PROJECT(MySql)
 
 # This reads user configuration, generated by configure.js.
diff --git a/include/my_sys.h b/include/my_sys.h
index 2ce36760032..7ae05bb96f7 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -691,6 +691,8 @@ extern WF_PACK *wf_comp(char * str);
 extern int wf_test(struct wild_file_pack *wf_pack,const char *name);
 extern void wf_end(struct wild_file_pack *buffer);
 extern size_t strip_sp(char * str);
+extern my_bool array_append_string_unique(const char *str,
+                                          const char **array, size_t size);
 extern void get_date(char * to,int timeflag,time_t use_time);
 extern void soundex(CHARSET_INFO *, char * out_pntr, char * in_pntr,
                     pbool remove_garbage);
diff --git a/libmysql/Makefile.shared b/libmysql/Makefile.shared
index 3a2559921f9..02855532e41 100644
--- a/libmysql/Makefile.shared
+++ b/libmysql/Makefile.shared
@@ -59,7 +59,7 @@ mysysobjects1 =		my_init.lo my_static.lo my_malloc.lo my_realloc.lo \
 			mf_pack.lo my_messnc.lo mf_dirname.lo mf_fn_ext.lo\
 			mf_wcomp.lo typelib.lo safemalloc.lo my_alloc.lo \
 			mf_format.lo mf_path.lo mf_unixpath.lo my_fopen.lo \
-			my_symlink.lo my_fstream.lo \
+			my_symlink.lo my_fstream.lo mf_arr_appstr.lo \
 			mf_loadpath.lo my_pthread.lo my_thr_init.lo \
 			thr_mutex.lo mulalloc.lo string.lo \
                         default.lo default_modify.lo \
diff --git a/mysql-test/r/innodb-semi-consistent.result b/mysql-test/r/innodb-semi-consistent.result
new file mode 100644
index 00000000000..ad7b70d0497
--- /dev/null
+++ b/mysql-test/r/innodb-semi-consistent.result
@@ -0,0 +1,36 @@
+set session transaction isolation level read committed;
+create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1;
+insert into t1 values (1),(2),(3),(4),(5),(6),(7);
+set autocommit=0;
+select * from t1 where a=3 lock in share mode;
+a
+3
+set session transaction isolation level read committed;
+set autocommit=0;
+update t1 set a=10 where a=5;
+ERROR HY000: Lock wait timeout exceeded; try restarting transaction
+commit;
+update t1 set a=10 where a=5;
+select * from t1 where a=2 for update;
+ERROR HY000: Lock wait timeout exceeded; try restarting transaction
+select * from t1 where a=2 limit 1 for update;
+a
+2
+update t1 set a=11 where a=6;
+update t1 set a=12 where a=2;
+ERROR HY000: Lock wait timeout exceeded; try restarting transaction
+update t1 set a=13 where a=1;
+ERROR HY000: Lock wait timeout exceeded; try restarting transaction
+commit;
+update t1 set a=14 where a=1;
+commit;
+select * from t1;
+a
+14
+2
+3
+4
+10
+11
+7
+drop table t1;
diff --git a/mysql-test/r/innodb.result b/mysql-test/r/innodb.result
index d0b67e90afb..051a9e1dc0b 100644
--- a/mysql-test/r/innodb.result
+++ b/mysql-test/r/innodb.result
@@ -472,43 +472,6 @@ a	b
 3	3
 drop table t1,t2;
 CREATE TABLE t1 (
-id int(11) NOT NULL auto_increment,
-ggid varchar(32) binary DEFAULT '' NOT NULL,
-email varchar(64) DEFAULT '' NOT NULL,
-passwd varchar(32) binary DEFAULT '' NOT NULL,
-PRIMARY KEY (id),
-UNIQUE ggid (ggid)
-) ENGINE=innodb;
-insert into t1 (ggid,passwd) values ('test1','xxx');
-insert into t1 (ggid,passwd) values ('test2','yyy');
-insert into t1 (ggid,passwd) values ('test2','this will fail');
-ERROR 23000: Duplicate entry 'test2' for key 'ggid'
-insert into t1 (ggid,id) values ('this will fail',1);
-ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
-select * from t1 where ggid='test1';
-id	ggid	email	passwd
-1	test1		xxx
-select * from t1 where passwd='xxx';
-id	ggid	email	passwd
-1	test1		xxx
-select * from t1 where id=2;
-id	ggid	email	passwd
-2	test2		yyy
-replace into t1 (ggid,id) values ('this will work',1);
-replace into t1 (ggid,passwd) values ('test2','this will work');
-update t1 set id=100,ggid='test2' where id=1;
-ERROR 23000: Duplicate entry 'test2' for key 'ggid'
-select * from t1;
-id	ggid	email	passwd
-1	this will work		
-4	test2		this will work
-select * from t1 where id=1;
-id	ggid	email	passwd
-1	this will work		
-select * from t1 where id=999;
-id	ggid	email	passwd
-drop table t1;
-CREATE TABLE t1 (
 user_name varchar(12),
 password text,
 subscribed char(1),
@@ -1751,13 +1714,13 @@ Variable_name	Value
 Innodb_page_size	16384
 show status like "Innodb_rows_deleted";
 Variable_name	Value
-Innodb_rows_deleted	70
+Innodb_rows_deleted	69
 show status like "Innodb_rows_inserted";
 Variable_name	Value
-Innodb_rows_inserted	1083
+Innodb_rows_inserted	1080
 show status like "Innodb_rows_updated";
 Variable_name	Value
-Innodb_rows_updated	886
+Innodb_rows_updated	885
 show status like "Innodb_row_lock_waits";
 Variable_name	Value
 Innodb_row_lock_waits	0
@@ -3189,3 +3152,52 @@ c25 CHAR(255), c26 CHAR(255), c27 CHAR(255), c28 CHAR(255),
 c29 CHAR(255), c30 CHAR(255), c31 CHAR(255), c32 CHAR(255)
 ) ENGINE = InnoDB;
 ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs
+DROP TABLE IF EXISTS t1;
+Warnings:
+Note	1051	Unknown table 't1'
+CREATE TABLE t1(
+id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY
+) ENGINE=InnoDB;
+INSERT INTO t1 VALUES(-10);
+SELECT * FROM t1;
+id
+-10
+INSERT INTO t1 VALUES(NULL);
+SELECT * FROM t1;
+id
+-10
+1
+DROP TABLE t1;
+SET TX_ISOLATION='read-committed';
+SET AUTOCOMMIT=0;
+DROP TABLE IF EXISTS t1, t2;
+Warnings:
+Note	1051	Unknown table 't1'
+Note	1051	Unknown table 't2'
+CREATE TABLE t1 ( a int ) ENGINE=InnoDB;
+CREATE TABLE t2 LIKE t1;
+SELECT * FROM t2;
+a
+SET TX_ISOLATION='read-committed';
+SET AUTOCOMMIT=0;
+INSERT INTO t1 VALUES (1);
+COMMIT;
+SELECT * FROM t1 WHERE a=1;
+a
+1
+SET TX_ISOLATION='read-committed';
+SET AUTOCOMMIT=0;
+SELECT * FROM t2;
+a
+SET TX_ISOLATION='read-committed';
+SET AUTOCOMMIT=0;
+INSERT INTO t1 VALUES (2);
+COMMIT;
+SELECT * FROM t1 WHERE a=2;
+a
+2
+SELECT * FROM t1 WHERE a=2;
+a
+2
+DROP TABLE t1;
+DROP TABLE t2;
diff --git a/mysql-test/r/innodb_autoinc_lock_mode_zero.result b/mysql-test/r/innodb_autoinc_lock_mode_zero.result
new file mode 100644
index 00000000000..3d016684338
--- /dev/null
+++ b/mysql-test/r/innodb_autoinc_lock_mode_zero.result
@@ -0,0 +1,39 @@
+drop table if exists t1;
+CREATE TABLE t1 (
+id int(11) NOT NULL auto_increment,
+ggid varchar(32) binary DEFAULT '' NOT NULL,
+email varchar(64) DEFAULT '' NOT NULL,
+passwd varchar(32) binary DEFAULT '' NOT NULL,
+PRIMARY KEY (id),
+UNIQUE ggid (ggid)
+) ENGINE=innodb;
+insert into t1 (ggid,passwd) values ('test1','xxx');
+insert into t1 (ggid,passwd) values ('test2','yyy');
+insert into t1 (ggid,passwd) values ('test2','this will fail');
+ERROR 23000: Duplicate entry 'test2' for key 'ggid'
+insert into t1 (ggid,id) values ('this will fail',1);
+ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
+select * from t1 where ggid='test1';
+id	ggid	email	passwd
+1	test1		xxx
+select * from t1 where passwd='xxx';
+id	ggid	email	passwd
+1	test1		xxx
+select * from t1 where id=2;
+id	ggid	email	passwd
+2	test2		yyy
+replace into t1 (ggid,id) values ('this will work',1);
+replace into t1 (ggid,passwd) values ('test2','this will work');
+update t1 set id=100,ggid='test2' where id=1;
+ERROR 23000: Duplicate entry 'test2' for key 'ggid'
+select * from t1;
+id	ggid	email	passwd
+1	this will work		
+3	test2		this will work
+select * from t1 where id=1;
+id	ggid	email	passwd
+1	this will work		
+select * from t1 where id=999;
+id	ggid	email	passwd
+drop table t1;
+End of tests
diff --git a/mysql-test/t/innodb-semi-consistent-master.opt b/mysql-test/t/innodb-semi-consistent-master.opt
new file mode 100644
index 00000000000..2746e4e184e
--- /dev/null
+++ b/mysql-test/t/innodb-semi-consistent-master.opt
@@ -0,0 +1 @@
+--innodb_locks_unsafe_for_binlog=true --innodb_lock_wait_timeout=2
diff --git a/mysql-test/t/innodb-semi-consistent.test b/mysql-test/t/innodb-semi-consistent.test
new file mode 100644
index 00000000000..7a9231b508f
--- /dev/null
+++ b/mysql-test/t/innodb-semi-consistent.test
@@ -0,0 +1,46 @@
+-- source include/not_embedded.inc
+-- source include/have_innodb.inc
+
+# basic tests of semi-consistent reads
+
+connect (a,localhost,root,,);
+connect (b,localhost,root,,);
+connection a;
+set session transaction isolation level read committed;
+create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1;
+insert into t1 values (1),(2),(3),(4),(5),(6),(7);
+set autocommit=0;
+# this should lock the entire table
+select * from t1 where a=3 lock in share mode;
+connection b;
+set session transaction isolation level read committed;
+set autocommit=0;
+-- error ER_LOCK_WAIT_TIMEOUT
+update t1 set a=10 where a=5;
+connection a;
+commit;
+connection b;
+update t1 set a=10 where a=5;
+connection a;
+-- error ER_LOCK_WAIT_TIMEOUT
+select * from t1 where a=2 for update;
+# this should lock the records (1),(2)
+select * from t1 where a=2 limit 1 for update;
+connection b;
+update t1 set a=11 where a=6;
+-- error ER_LOCK_WAIT_TIMEOUT
+update t1 set a=12 where a=2;
+-- error ER_LOCK_WAIT_TIMEOUT
+update t1 set a=13 where a=1;
+connection a;
+commit;
+connection b;
+update t1 set a=14 where a=1;
+commit;
+connection a;
+select * from t1;
+drop table t1;
+
+connection default;
+disconnect a;
+disconnect b;
diff --git a/mysql-test/t/innodb.test b/mysql-test/t/innodb.test
index cc1ef6f9730..f68bb87655e 100644
--- a/mysql-test/t/innodb.test
+++ b/mysql-test/t/innodb.test
@@ -326,39 +326,6 @@ select * from t1;
 select * from t2;
 drop table t1,t2;
 
-#
-# Search on unique key
-#
-
-CREATE TABLE t1 (
-  id int(11) NOT NULL auto_increment,
-  ggid varchar(32) binary DEFAULT '' NOT NULL,
-  email varchar(64) DEFAULT '' NOT NULL,
-  passwd varchar(32) binary DEFAULT '' NOT NULL,
-  PRIMARY KEY (id),
-  UNIQUE ggid (ggid)
-) ENGINE=innodb;
-
-insert into t1 (ggid,passwd) values ('test1','xxx');
-insert into t1 (ggid,passwd) values ('test2','yyy');
--- error ER_DUP_ENTRY
-insert into t1 (ggid,passwd) values ('test2','this will fail');
--- error ER_DUP_ENTRY
-insert into t1 (ggid,id) values ('this will fail',1);
-
-select * from t1 where ggid='test1';
-select * from t1 where passwd='xxx';
-select * from t1 where id=2;
-
-replace into t1 (ggid,id) values ('this will work',1);
-replace into t1 (ggid,passwd) values ('test2','this will work');
--- error ER_DUP_ENTRY
-update t1 set id=100,ggid='test2' where id=1;
-select * from t1;
-select * from t1 where id=1;
-select * from t1 where id=999;
-drop table t1;
-
 #
 # ORDER BY on not primary key
 #
@@ -2323,6 +2290,67 @@ CREATE TABLE t1 (
 	c29 CHAR(255), c30 CHAR(255), c31 CHAR(255), c32 CHAR(255)
 	) ENGINE = InnoDB;
 
+#
+# Bug #31860 InnoDB assumes AUTOINC values can only be positive.
+#
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1(
+	id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY
+	) ENGINE=InnoDB;
+INSERT INTO t1 VALUES(-10);
+SELECT * FROM t1;
+#
+# NOTE: The server really needs to be restarted at this point
+# for the test to be useful.  
+#
+# Without the fix InnoDB would trip over an assertion here.
+INSERT INTO t1 VALUES(NULL);
+# The next value should be 1 and not -9 or a -ve number
+SELECT * FROM t1;
+DROP TABLE t1;
+
+# 
+# Bug #21409 Incorrect result returned when in READ-COMMITTED with
+# query_cache ON
+#
+CONNECT (c1,localhost,root,,);
+CONNECT (c2,localhost,root,,);
+CONNECTION c1;
+SET TX_ISOLATION='read-committed';
+SET AUTOCOMMIT=0;
+DROP TABLE IF EXISTS t1, t2;
+CREATE TABLE t1 ( a int ) ENGINE=InnoDB;
+CREATE TABLE t2 LIKE t1;
+SELECT * FROM t2;
+CONNECTION c2;
+SET TX_ISOLATION='read-committed';
+SET AUTOCOMMIT=0;
+INSERT INTO t1 VALUES (1);
+COMMIT;
+CONNECTION c1;
+SELECT * FROM t1 WHERE a=1;
+DISCONNECT c1;
+DISCONNECT c2;
+CONNECT (c1,localhost,root,,);
+CONNECT (c2,localhost,root,,);
+CONNECTION c1;
+SET TX_ISOLATION='read-committed';
+SET AUTOCOMMIT=0;
+SELECT * FROM t2;
+CONNECTION c2;
+SET TX_ISOLATION='read-committed';
+SET AUTOCOMMIT=0;
+INSERT INTO t1 VALUES (2);
+COMMIT;
+CONNECTION c1;
+# The result set below should be the same for both selects
+SELECT * FROM t1 WHERE a=2;
+SELECT * FROM t1 WHERE a=2;
+DROP TABLE t1;
+DROP TABLE t2;
+DISCONNECT c1;
+DISCONNECT c2;
+
 #######################################################################
 #                                                                     #
 # Please, DO NOT TOUCH this file as well as the innodb.result file.   #
diff --git a/mysql-test/t/innodb_autoinc_lock_mode_zero-master.opt b/mysql-test/t/innodb_autoinc_lock_mode_zero-master.opt
new file mode 100644
index 00000000000..fad0da2ac2e
--- /dev/null
+++ b/mysql-test/t/innodb_autoinc_lock_mode_zero-master.opt
@@ -0,0 +1 @@
+--innodb-autoinc-lock-mode=0
diff --git a/mysql-test/t/innodb_autoinc_lock_mode_zero.test b/mysql-test/t/innodb_autoinc_lock_mode_zero.test
new file mode 100644
index 00000000000..96f748673c0
--- /dev/null
+++ b/mysql-test/t/innodb_autoinc_lock_mode_zero.test
@@ -0,0 +1,44 @@
+# This test runs with old-style locking, as:
+# --innodb-autoinc-lock-mode=0
+
+-- source include/have_innodb.inc
+
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+
+#
+# Search on unique key
+#
+
+CREATE TABLE t1 (
+  id int(11) NOT NULL auto_increment,
+  ggid varchar(32) binary DEFAULT '' NOT NULL,
+  email varchar(64) DEFAULT '' NOT NULL,
+  passwd varchar(32) binary DEFAULT '' NOT NULL,
+  PRIMARY KEY (id),
+  UNIQUE ggid (ggid)
+) ENGINE=innodb;
+
+insert into t1 (ggid,passwd) values ('test1','xxx');
+insert into t1 (ggid,passwd) values ('test2','yyy');
+-- error ER_DUP_ENTRY
+insert into t1 (ggid,passwd) values ('test2','this will fail');
+-- error ER_DUP_ENTRY
+insert into t1 (ggid,id) values ('this will fail',1);
+
+select * from t1 where ggid='test1';
+select * from t1 where passwd='xxx';
+select * from t1 where id=2;
+
+replace into t1 (ggid,id) values ('this will work',1);
+replace into t1 (ggid,passwd) values ('test2','this will work');
+-- error ER_DUP_ENTRY
+update t1 set id=100,ggid='test2' where id=1;
+select * from t1;
+select * from t1 where id=1;
+select * from t1 where id=999;
+drop table t1;
+
+--echo End of tests
diff --git a/mysql-test/t/type_datetime.test b/mysql-test/t/type_datetime.test
index fada7983c2c..747aab21ca6 100644
--- a/mysql-test/t/type_datetime.test
+++ b/mysql-test/t/type_datetime.test
@@ -155,13 +155,13 @@ set @@sql_mode='ansi,traditional';
 insert into t1 values ('2007-03-23 13:49:38','2007-03-23 13:49:38');
 insert into t1 set dt='2007-03-23 13:49:38',da=dt;
 # Test error handling
---error 1292
+--error ER_TRUNCATED_WRONG_VALUE
 insert into t1 values ('2007-03-32','2007-03-23 13:49:38');
 select * from t1;
 drop table t1;
---error 1067
+--error ER_INVALID_DEFAULT
 create table t1 (da date default '1962-03-32 23:33:34', dt datetime default '1962-03-03');
---error 1067
+--error ER_INVALID_DEFAULT
 create table t1 (t time default '916:00:00 a');
 set @@sql_mode= @org_mode;
 
@@ -169,6 +169,19 @@ set @@sql_mode= @org_mode;
 #
 # Bug#27590: Wrong DATE/DATETIME comparison.  
 #
+## The following sub test will fail (difference to expected result) if the
+## select curdate() < now(), f1 < now(), cast(f1 as date) < now() from t1;
+## runs exact at midnight ('00:00:00').
+## ( Bug#29290 type_datetime.test failure in 5.1 )
+## Therefore we sleep a bit if we are too close to midnight.
+## The complete test itself needs around 1 second.
+## Therefore a time_distance to midnight of 5 seconds should be sufficient.
+if (`SELECT CURTIME() > SEC_TO_TIME(24 * 3600 - 5)`)
+{
+   # We are here when CURTIME() is between '23:59:56' and '23:59:59'.
+   # So a sleep time of 5 seconds brings us between '00:00:01' and '00:00:04'.
+   --real_sleep 5
+}
 create table t1 (f1 date, f2 datetime, f3 timestamp);
 insert into t1(f1) values(curdate());
 select curdate() < now(), f1 < now(), cast(f1 as date) < now() from t1;
diff --git a/mysys/CMakeLists.txt b/mysys/CMakeLists.txt
index 6b24165686a..60e75c96b75 100755
--- a/mysys/CMakeLists.txt
+++ b/mysys/CMakeLists.txt
@@ -29,7 +29,7 @@ SET(MYSYS_SOURCES  array.c charset-def.c charset.c checksum.c default.c default_
 				errors.c hash.c list.c md5.c mf_brkhant.c mf_cache.c mf_dirname.c mf_fn_ext.c
 				mf_format.c mf_getdate.c mf_iocache.c mf_iocache2.c mf_keycache.c 
 				mf_keycaches.c mf_loadpath.c mf_pack.c mf_path.c mf_qsort.c mf_qsort2.c
-				mf_radix.c mf_same.c mf_sort.c mf_soundex.c mf_strip.c mf_tempdir.c
+				mf_radix.c mf_same.c mf_sort.c mf_soundex.c mf_strip.c mf_arr_appstr.c mf_tempdir.c
 				mf_tempfile.c mf_unixpath.c mf_wcomp.c mf_wfile.c mulalloc.c my_access.c
 				my_aes.c my_alarm.c my_alloc.c my_append.c my_bit.c my_bitmap.c my_chsize.c
 				my_clock.c my_compress.c my_conio.c my_copy.c my_crc32.c my_create.c my_delete.c
diff --git a/mysys/Makefile.am b/mysys/Makefile.am
index fca13ab52b8..f06d81da849 100644
--- a/mysys/Makefile.am
+++ b/mysys/Makefile.am
@@ -35,7 +35,7 @@ libmysys_a_SOURCES =    my_init.c my_getwd.c mf_getdate.c my_mmap.c \
 			my_error.c errors.c my_div.c my_messnc.c \
 			mf_format.c mf_same.c mf_dirname.c mf_fn_ext.c \
 			my_symlink.c my_symlink2.c \
-			mf_pack.c mf_unixpath.c mf_strip.c \
+			mf_pack.c mf_unixpath.c mf_strip.c mf_arr_appstr.c \
 			mf_wcomp.c mf_wfile.c my_gethwaddr.c \
 			mf_qsort.c mf_qsort2.c mf_sort.c \
 			ptr_cmp.c mf_radix.c queues.c my_getncpus.c \
diff --git a/mysys/default.c b/mysys/default.c
index 3cc5b08e77c..550bd0c8865 100644
--- a/mysys/default.c
+++ b/mysys/default.c
@@ -47,7 +47,7 @@ char *my_defaults_extra_file=0;
 
 /* Which directories are searched for options (and in which order) */
 
-#define MAX_DEFAULT_DIRS 7
+#define MAX_DEFAULT_DIRS 6
 const char *default_directories[MAX_DEFAULT_DIRS + 1];
 
 #ifdef __WIN__
@@ -83,7 +83,22 @@ static int search_default_file_with_ext(Process_option_func func,
                                         void *func_ctx,
 					const char *dir, const char *ext,
 					const char *config_file, int recursion_level);
-static void init_default_directories();
+
+
+
+/**
+  Create the list of default directories.
+
+  @details
+  On all systems, if a directory is already in the list, it will be moved
+  to the end of the list.  This avoids reading defaults files multiple times,
+  while ensuring the correct precedence.
+
+  @return void
+*/
+
+static void (*init_default_directories)();
+
 
 static char *remove_end_comment(char *ptr);
 
@@ -922,6 +937,25 @@ void print_defaults(const char *conf_file, const char **groups)
 #include <help_end.h>
 
 
+#define ADD_DIRECTORY(DIR) \
+  do { \
+    my_bool rc= \
+      array_append_string_unique((DIR), default_directories, \
+                                 array_elements(default_directories)); \
+    DBUG_ASSERT(rc == FALSE);                   /* Success */ \
+  } while (0)
+
+
+#define ADD_COMMON_DIRECTORIES() \
+  do { \
+    char *env; \
+    if ((env= getenv(STRINGIFY_ARG(DEFAULT_HOME_ENV)))) \
+      ADD_DIRECTORY(env); \
+    /* Placeholder for --defaults-extra-file=<path> */ \
+    ADD_DIRECTORY(""); \
+  } while (0)
+
+
 #ifdef __WIN__
 /*
   This wrapper for GetSystemWindowsDirectory() will dynamically bind to the
@@ -956,71 +990,33 @@ static size_t my_get_system_windows_directory(char *buffer, size_t size)
   }
   return count;
 }
-#endif
 
 
-/*
-  Create the list of default directories.
+/**
+  Initialize default directories for Microsoft Windows
 
-  On Microsoft Windows, this is:
-    1. C:/
+  @details
+    1. GetSystemWindowsDirectory()
     2. GetWindowsDirectory()
-    3. GetSystemWindowsDirectory()
-    4. getenv(DEFAULT_HOME_ENV)
-    5. Directory above where the executable is located
-    6. ""
-    7. --sysconfdir=<path>
+    3. C:/
+    4. Directory above where the executable is located
+    5. getenv(DEFAULT_HOME_ENV)
+    6. --defaults-extra-file=<path> (run-time option)
+*/
 
-  On Novell NetWare, this is:
-    1. sys:/etc/
-    2. getenv(DEFAULT_HOME_ENV)
-    3. ""
-    4. --sysconfdir=<path>
-
-  On OS/2, this is:
-    1. getenv(ETC)
-    2. /etc/
-    3. getenv(DEFAULT_HOME_ENV)
-    4. ""
-    5. "~/"
-    6. --sysconfdir=<path>
-
-  Everywhere else, this is:
-    1. /etc/
-    2. /etc/mysql/
-    3. getenv(DEFAULT_HOME_ENV)
-    4. ""
-    5. "~/"
-    6. --sysconfdir=<path>
-
- */
-
-static void init_default_directories()
+static void init_default_directories_win()
 {
-  const char *env, **ptr= default_directories;
+  bzero(default_directories, sizeof(default_directories));
 
-#ifdef __WIN__
-  *ptr++= "C:/";
+  if (my_get_system_windows_directory(shared_system_dir,
+                                      sizeof(shared_system_dir)))
+    ADD_DIRECTORY(&shared_system_dir);
 
   if (GetWindowsDirectory(system_dir,sizeof(system_dir)))
-    *ptr++= (char*)&system_dir;
-  if (my_get_system_windows_directory(shared_system_dir,
-                                      sizeof(shared_system_dir)) &&
-      strcmp(system_dir, shared_system_dir))
-    *ptr++= (char *)&shared_system_dir;
+    ADD_DIRECTORY(&system_dir);
+
+  ADD_DIRECTORY("C:/");
 
-#elif defined(__NETWARE__)
-  *ptr++= "sys:/etc/";
-#else
-  *ptr++= "/etc/";
-  *ptr++= "/etc/mysql/";
-#endif
-  if ((env= getenv(STRINGIFY_ARG(DEFAULT_HOME_ENV))))
-    *ptr++= env;
-  *ptr++= "";			/* Place for defaults_extra_file */
-#if !defined(__WIN__) && !defined(__NETWARE__)
-  *ptr++= "~/";;
-#elif defined(__WIN__)
   if (GetModuleFileName(NULL, config_dir, sizeof(config_dir)))
   {
     char *last= NULL, *end= strend(config_dir);
@@ -1050,12 +1046,61 @@ static void init_default_directories()
         last= end;
       }
     }
-    *ptr++= (char *)&config_dir;
+    ADD_DIRECTORY(&config_dir);
   }
-#endif
+
+  ADD_COMMON_DIRECTORIES();
+}
+
+static void (*init_default_directories)()= init_default_directories_win;
+
+#elif defined(__NETWARE__)
+
+/**
+  Initialize default directories for Novell Netware
+
+  @details
+    1. sys:/etc/
+    2. getenv(DEFAULT_HOME_ENV)
+    3. --defaults-extra-file=<path> (run-time option)
+*/
+
+static void init_default_directories_netware()
+{
+  bzero(default_directories, sizeof(default_directories));
+  ADD_DIRECTORY("sys:/etc/");
+  ADD_COMMON_DIRECTORIES();
+}
+
+static void (*init_default_directories)()= init_default_directories_netware;
+
+#else
+
+/**
+  Initialize default directories for Unix
+
+  @details
+    1. /etc/
+    2. /etc/mysql/
+    3. --sysconfdir=<path> (compile-time option)
+    4. getenv(DEFAULT_HOME_ENV)
+    5. --defaults-extra-file=<path> (run-time option)
+    6. "~/"
+*/
+
+static void init_default_directories_unix()
+{
+  bzero(default_directories, sizeof(default_directories));
+  ADD_DIRECTORY("/etc/");
+  ADD_DIRECTORY("/etc/mysql/");
 #ifdef DEFAULT_SYSCONFDIR
   if (DEFAULT_SYSCONFDIR != "")
-    *ptr++= DEFAULT_SYSCONFDIR;
+    ADD_DIRECTORY(DEFAULT_SYSCONFDIR);
 #endif
-  *ptr= 0;			/* end marker */
+  ADD_COMMON_DIRECTORIES();
+  ADD_DIRECTORY("~/");
 }
+
+static void (*init_default_directories)()= init_default_directories_unix;
+
+#endif
diff --git a/mysys/mf_arr_appstr.c b/mysys/mf_arr_appstr.c
new file mode 100644
index 00000000000..1edbea9df4a
--- /dev/null
+++ b/mysys/mf_arr_appstr.c
@@ -0,0 +1,61 @@
+/* Copyright (C) 2007 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include "mysys_priv.h"
+#include <m_string.h>                           /* strcmp() */
+
+
+/**
+  Append str to array, or move to the end if it already exists
+
+  @param str    String to be appended
+  @param array  The array, terminated by a NULL element, all unused elements
+                pre-initialized to NULL
+  @param size   Size of the array; array must be terminated by a NULL
+                pointer, so can hold size - 1 elements
+
+  @retval FALSE  Success
+  @retval TRUE   Failure, array is full
+*/
+
+my_bool array_append_string_unique(const char *str,
+                                   const char **array, size_t size)
+{
+  const char **p;
+  /* end points at the terminating NULL element */
+  const char **end= array + size - 1;
+  DBUG_ASSERT(*end == NULL);
+
+  for (p= array; *p; ++p)
+  {
+    if (strcmp(*p, str) == 0)
+      break;
+  }
+  if (p >= end)
+    return TRUE;                               /* Array is full */
+
+  DBUG_ASSERT(*p == NULL || strcmp(*p, str) == 0);
+
+  while (*(p + 1))
+  {
+    *p= *(p + 1);
+    ++p;
+  }
+
+  DBUG_ASSERT(p < end);
+  *p= str;
+
+  return FALSE;                                 /* Success */
+}
diff --git a/sql/CMakeLists.txt b/sql/CMakeLists.txt
index 299f4ae4285..77f8bb9e5b2 100755
--- a/sql/CMakeLists.txt
+++ b/sql/CMakeLists.txt
@@ -90,13 +90,6 @@ TARGET_LINK_LIBRARIES(mysqld
 
 SET_TARGET_PROPERTIES(mysqld PROPERTIES OUTPUT_NAME mysqld${MYSQLD_EXE_SUFFIX})
 
-# Work around for 2.4.6 bug, OUTPUT_NAME will not set the right .PDB
-# file name. Note that COMPILE_FLAGS set some temporary pdb during build,
-# LINK_FLAGS sets the real one.
-SET_TARGET_PROPERTIES(mysqld PROPERTIES
-                      COMPILE_FLAGS "/Fd${CMAKE_CFG_INTDIR}/mysqld${MYSQLD_EXE_SUFFIX}.pdb"
-                      LINK_FLAGS  "/PDB:${CMAKE_CFG_INTDIR}/mysqld${MYSQLD_EXE_SUFFIX}.pdb")
-
 IF(EMBED_MANIFESTS)
   MYSQL_EMBED_MANIFEST("mysqld" "asInvoker")
 ENDIF(EMBED_MANIFESTS)
diff --git a/storage/innobase/buf/buf0lru.c b/storage/innobase/buf/buf0lru.c
index 7b49a7641af..f3913ed49b7 100644
--- a/storage/innobase/buf/buf0lru.c
+++ b/storage/innobase/buf/buf0lru.c
@@ -881,7 +881,7 @@ buf_LRU_block_free_non_file_page(
 	UT_LIST_ADD_FIRST(free, buf_pool->free, block);
 	block->in_free_list = TRUE;
 
-	UNIV_MEM_FREE(block->frame, UNIV_PAGE_SIZE);
+	UNIV_MEM_ASSERT_AND_FREE(block->frame, UNIV_PAGE_SIZE);
 
 	if (srv_use_awe && block->frame) {
 		/* Add to the list of mapped pages */
diff --git a/storage/innobase/dict/dict0dict.c b/storage/innobase/dict/dict0dict.c
index 595dfb06ee5..368ff3c2bc2 100644
--- a/storage/innobase/dict/dict0dict.c
+++ b/storage/innobase/dict/dict0dict.c
@@ -441,6 +441,8 @@ dict_table_autoinc_initialize(
 	dict_table_t*	table,	/* in: table */
 	ib_longlong	value)	/* in: next value to assign to a row */
 {
+	ut_ad(mutex_own(&table->autoinc_mutex));
+
 	table->autoinc_inited = TRUE;
 	table->autoinc = value;
 }
@@ -457,6 +459,8 @@ dict_table_autoinc_read(
 {
 	ib_longlong	value;
 
+	ut_ad(mutex_own(&table->autoinc_mutex));
+
 	if (!table->autoinc_inited) {
 
 		value = 0;
diff --git a/storage/innobase/dict/dict0load.c b/storage/innobase/dict/dict0load.c
index 1ff1fd54cec..f594e64f517 100644
--- a/storage/innobase/dict/dict0load.c
+++ b/storage/innobase/dict/dict0load.c
@@ -551,11 +551,13 @@ dict_load_fields(
 Loads definitions for table indexes. Adds them to the data dictionary
 cache. */
 static
-ibool
+ulint
 dict_load_indexes(
 /*==============*/
-				/* out: TRUE if ok, FALSE if corruption
-				of dictionary table */
+				/* out: DB_SUCCESS if ok, DB_CORRUPTION
+				if corruption of dictionary table or
+				DB_UNSUPPORTED if table has unknown index
+				type */
 	dict_table_t*	table,	/* in: table */
 	mem_heap_t*	heap)	/* in: memory heap for temporary storage */
 {
@@ -578,6 +580,7 @@ dict_load_indexes(
 	ibool		is_sys_table;
 	dulint		id;
 	mtr_t		mtr;
+	ulint		error = DB_SUCCESS;
 
 	ut_ad(mutex_own(&(dict_sys->mutex)));
 
@@ -624,10 +627,8 @@ dict_load_indexes(
 			dict_load_report_deleted_index(table->name,
 						       ULINT_UNDEFINED);
 
-			btr_pcur_close(&pcur);
-			mtr_commit(&mtr);
-
-			return(FALSE);
+			error = DB_CORRUPTION;
+			goto func_exit;
 		}
 
 		field = rec_get_nth_field_old(rec, 1, &len);
@@ -653,7 +654,18 @@ dict_load_indexes(
 		field = rec_get_nth_field_old(rec, 8, &len);
 		page_no = mach_read_from_4(field);
 
-		if (page_no == FIL_NULL) {
+		/* We check for unsupported types first, so that the
+		subsequent checks are relevant for the supported types. */
+		if (type & ~(DICT_CLUSTERED | DICT_UNIQUE)) {
+
+			fprintf(stderr,
+				"InnoDB: Error: unknown type %lu"
+				" of index %s of table %s\n",
+				(ulong) type, name_buf, table->name);
+
+			error = DB_UNSUPPORTED;
+			goto func_exit;
+		} else if (page_no == FIL_NULL) {
 
 			fprintf(stderr,
 				"InnoDB: Error: trying to load index %s"
@@ -661,14 +673,10 @@ dict_load_indexes(
 				"InnoDB: but the index tree has been freed!\n",
 				name_buf, table->name);
 
-			btr_pcur_close(&pcur);
-			mtr_commit(&mtr);
-
-			return(FALSE);
-		}
-
-		if ((type & DICT_CLUSTERED) == 0
-		    && NULL == dict_table_get_first_index(table)) {
+			error = DB_CORRUPTION;
+			goto func_exit;
+		} else if ((type & DICT_CLUSTERED) == 0
+			    && NULL == dict_table_get_first_index(table)) {
 
 			fprintf(stderr,
 				"InnoDB: Error: trying to load index %s"
@@ -677,18 +685,14 @@ dict_load_indexes(
 				" is not clustered!\n",
 				name_buf, table->name);
 
-			btr_pcur_close(&pcur);
-			mtr_commit(&mtr);
-
-			return(FALSE);
-		}
-
-		if (is_sys_table
-		    && ((type & DICT_CLUSTERED)
-			|| ((table == dict_sys->sys_tables)
-			    && (name_len == (sizeof "ID_IND") - 1)
-			    && (0 == ut_memcmp(name_buf, "ID_IND",
-					       name_len))))) {
+			error = DB_CORRUPTION;
+			goto func_exit;
+		} else if (is_sys_table
+			   && ((type & DICT_CLUSTERED)
+			       || ((table == dict_sys->sys_tables)
+				   && (name_len == (sizeof "ID_IND") - 1)
+				   && (0 == ut_memcmp(name_buf,
+						      "ID_IND", name_len))))) {
 
 			/* The index was created in memory already at booting
 			of the database server */
@@ -704,10 +708,11 @@ dict_load_indexes(
 		btr_pcur_move_to_next_user_rec(&pcur, &mtr);
 	}
 
+func_exit:
 	btr_pcur_close(&pcur);
 	mtr_commit(&mtr);
 
-	return(TRUE);
+	return(error);
 }
 
 /************************************************************************
@@ -857,11 +862,20 @@ err_exit:
 
 	mem_heap_empty(heap);
 
-	dict_load_indexes(table, heap);
+	err = dict_load_indexes(table, heap);
 
-	err = dict_load_foreigns(table->name, TRUE);
+	/* If the force recovery flag is set, we open the table irrespective
+	of the error condition, since the user may want to dump data from the
+	clustered index. However we load the foreign key information only if
+	all indexes were loaded. */
+	if (err != DB_SUCCESS && !srv_force_recovery) {
+		dict_mem_table_free(table);
+		table = NULL;
+	} else if (err == DB_SUCCESS) {
+		err = dict_load_foreigns(table->name, TRUE);
+	}
 #if 0
-	if (err != DB_SUCCESS) {
+	if (err != DB_SUCCESS && table != NULL) {
 
 		mutex_enter(&dict_foreign_err_mutex);
 
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index 783553f5d87..f075fe6c3b4 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -129,6 +129,7 @@ static my_bool	innobase_locks_unsafe_for_binlog	= FALSE;
 static my_bool	innobase_rollback_on_timeout		= FALSE;
 static my_bool	innobase_create_status_file		= FALSE;
 static my_bool innobase_stats_on_metadata		= TRUE;
+static my_bool	innobase_use_adaptive_hash_indexes	= TRUE;
 
 static char*	internal_innobase_data_file_path	= NULL;
 
@@ -1143,7 +1144,6 @@ innobase_query_caching_of_table_permitted(
 	}
 
 	if (trx->has_search_latch) {
-		ut_print_timestamp(stderr);
 		sql_print_error("The calling thread is holding the adaptive "
 				"search, latch though calling "
 				"innobase_query_caching_of_table_permitted.");
@@ -1246,8 +1246,7 @@ innobase_invalidate_query_cache(
 }
 
 /*********************************************************************
-Display an SQL identifier.
-This definition must match the one in innobase/ut/ut0ut.c! */
+Display an SQL identifier. */
 extern "C"
 void
 innobase_print_identifier(
@@ -1635,6 +1634,9 @@ innobase_init(
 
 	srv_stats_on_metadata = (ibool) innobase_stats_on_metadata;
 
+	srv_use_adaptive_hash_indexes =
+		(ibool) innobase_use_adaptive_hash_indexes;
+
 	srv_print_verbose_log = mysqld_embedded ? 0 : 1;
 
 	/* Store the default charset-collation number of this MySQL
@@ -2319,14 +2321,18 @@ ha_innobase::open(
 	ib_table = dict_table_get(norm_name, TRUE);
 
 	if (NULL == ib_table) {
-		ut_print_timestamp(stderr);
-		sql_print_error("Cannot find table %s from the internal data "
-				"dictionary\nof InnoDB though the .frm file "
-				"for the table exists. Maybe you\nhave "
-				"deleted and recreated InnoDB data files but "
-				"have forgotten\nto delete the corresponding "
-				".frm files of InnoDB tables, or you\n"
-				"have moved .frm files to another database?\n"
+		sql_print_error("Cannot find or open table %s from\n"
+				"the internal data dictionary of InnoDB "
+				"though the .frm file for the\n"
+				"table exists. Maybe you have deleted and "
+				"recreated InnoDB data\n"
+				"files but have forgotten to delete the "
+				"corresponding .frm files\n"
+				"of InnoDB tables, or you have moved .frm "
+				"files to another database?\n"
+				"or, the table contains indexes that this "
+				"version of the engine\n"
+				"doesn't support.\n"
 				"See http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html\n"
 				"how you can resolve the problem.\n",
 				norm_name);
@@ -2338,7 +2344,6 @@ ha_innobase::open(
 	}
 
 	if (ib_table->ibd_file_missing && !thd_tablespace_op(thd)) {
-		ut_print_timestamp(stderr);
 		sql_print_error("MySQL is trying to open a table handle but "
 				"the .ibd file for\ntable %s does not exist.\n"
 				"Have you deleted the .ibd file from the "
@@ -3412,7 +3417,7 @@ no_commit:
 			/*
 			ut_print_timestamp(stderr);
 			fprintf(stderr,
-				"  InnoDB error: ALTER TABLE is holding lock"
+				"  InnoDB: ALTER TABLE is holding lock"
 				" on %lu tables!\n",
 				prebuilt->trx->mysql_n_tables_locked);
 			*/
@@ -3476,6 +3481,7 @@ no_commit:
 
 	/* Handle duplicate key errors */
 	if (auto_inc_used) {
+		ulint		err;
 		ulonglong	auto_inc;
 
 		/* Note the number of rows processed for this statement, used
@@ -3529,7 +3535,11 @@ set_max_autoinc:
 				ut_a(prebuilt->table->autoinc_increment > 0);
 				auto_inc += prebuilt->table->autoinc_increment;
 
-				innobase_set_max_autoinc(auto_inc);
+				err = innobase_set_max_autoinc(auto_inc);
+
+				if (err != DB_SUCCESS) {
+					error = (int) err;
+				}
 			}
 			break;
 		}
@@ -3765,7 +3775,7 @@ ha_innobase::update_row(
 		if (auto_inc != 0) {
 			auto_inc += prebuilt->table->autoinc_increment;
 
-			innobase_set_max_autoinc(auto_inc);
+			error = innobase_set_max_autoinc(auto_inc);
 		}
 	}
 
@@ -5710,7 +5720,6 @@ ha_innobase::info(
 
 		for (i = 0; i < table->s->keys; i++) {
 			if (index == NULL) {
-				ut_print_timestamp(stderr);
 				sql_print_error("Table %s contains fewer "
 						"indexes inside InnoDB than "
 						"are defined in the MySQL "
@@ -5726,7 +5735,6 @@ ha_innobase::info(
 			for (j = 0; j < table->key_info[i].key_parts; j++) {
 
 				if (j + 1 > index->n_uniq) {
-					ut_print_timestamp(stderr);
 					sql_print_error(
 "Index %s of %s has %lu columns unique inside InnoDB, but MySQL is asking "
 "statistics for %lu columns. Have you mixed up .frm files from different "
@@ -5791,7 +5799,6 @@ ha_innobase::info(
 			ret = innobase_read_and_init_auto_inc(&auto_inc);
 
 			if (ret != 0) {
-				ut_print_timestamp(stderr);
 				sql_print_error("Cannot get table %s auto-inc"
 						"counter value in ::info\n",
 						ib_table->name);
@@ -6304,6 +6311,9 @@ ha_innobase::start_stmt(
 
 	innobase_release_stat_resources(trx);
 
+	/* Reset the AUTOINC statement level counter for multi-row INSERTs. */
+	trx->n_autoinc_rows = 0;
+
 	prebuilt->sql_stat_start = TRUE;
 	prebuilt->hint_need_to_fetch_extra_cols = 0;
 	reset_template(prebuilt);
@@ -6446,9 +6456,6 @@ ha_innobase::external_lock(
 			innobase_register_stmt(ht, thd);
 		}
 
-		trx->n_mysql_tables_in_use++;
-		prebuilt->mysql_has_locked = TRUE;
-
 		if (trx->isolation_level == TRX_ISO_SERIALIZABLE
 			&& prebuilt->select_lock_type == LOCK_NONE
 			&& thd_test_options(thd,
@@ -6497,6 +6504,9 @@ ha_innobase::external_lock(
 			trx->mysql_n_tables_locked++;
 		}
 
+		trx->n_mysql_tables_in_use++;
+		prebuilt->mysql_has_locked = TRUE;
+
 		DBUG_RETURN(0);
 	}
 
@@ -6562,14 +6572,17 @@ ha_innobase::transactional_table_lock(
 
 	if (prebuilt->table->ibd_file_missing && !thd_tablespace_op(thd)) {
 		ut_print_timestamp(stderr);
-		fprintf(stderr, "  InnoDB error:\n"
-"MySQL is trying to use a table handle but the .ibd file for\n"
-"table %s does not exist.\n"
-"Have you deleted the .ibd file from the database directory under\n"
-"the MySQL datadir?"
-"See http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html\n"
-"how you can resolve the problem.\n",
-				prebuilt->table->name);
+		fprintf(stderr,
+			"  InnoDB: MySQL is trying to use a table handle"
+			" but the .ibd file for\n"
+			"InnoDB: table %s does not exist.\n"
+			"InnoDB: Have you deleted the .ibd file"
+			" from the database directory under\n"
+			"InnoDB: the MySQL datadir?"
+			"InnoDB: See"
+			" http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html\n"
+			"InnoDB: how you can resolve the problem.\n",
+			prebuilt->table->name);
 		DBUG_RETURN(HA_ERR_CRASHED);
 	}
 
@@ -7120,8 +7133,8 @@ the value of the auto-inc counter. */
 int
 ha_innobase::innobase_read_and_init_auto_inc(
 /*=========================================*/
-						/* out: 0 or error code:
-						deadlock or lock wait timeout */
+						/* out: 0 or generic MySQL
+						error code */
         longlong*	value)			/* out: the autoinc value */
 {
 	longlong	auto_inc;
@@ -7178,9 +7191,10 @@ ha_innobase::innobase_read_and_init_auto_inc(
 			++auto_inc;
 			dict_table_autoinc_initialize(innodb_table, auto_inc);
 		} else {
-			fprintf(stderr, "  InnoDB error: Couldn't read the "
-				"max AUTOINC value from index (%s).\n",
-				index->name);
+			ut_print_timestamp(stderr);
+			fprintf(stderr, "  InnoDB: Error: (%lu) Couldn't read "
+				"the max AUTOINC value from the index (%s).\n",
+				error, index->name);
 
 			mysql_error = 1;
 		}
@@ -7217,6 +7231,11 @@ ha_innobase::innobase_get_auto_increment(
 {
 	ulong		error;
 
+	*value = 0;
+
+	/* Note: If the table is not initialized when we attempt the
+	read below. We initialize the table's auto-inc counter  and
+	always do a reread of the AUTOINC value. */
 	do {
 		error = innobase_autoinc_lock();
 
@@ -7256,7 +7275,15 @@ ha_innobase::innobase_get_auto_increment(
 			} else {
 				*value = (ulonglong) autoinc;
 			}
+		/* A deadlock error during normal processing is OK
+		and can be ignored. */
+		} else if (error != DB_DEADLOCK) {
+
+			sql_print_error("InnoDB: Error: %lu in "
+					"::innobase_get_auto_increment()",
+					error);
 		}
+
 	} while (*value == 0 && error == DB_SUCCESS);
 
 	return(error);
@@ -7272,7 +7299,7 @@ we have a table-level lock). offset, increment, nb_desired_values are ignored.
 
 void
 ha_innobase::get_auto_increment(
-/*=================================*/
+/*============================*/
         ulonglong	offset,              /* in: */
         ulonglong	increment,           /* in: table autoinc increment */
         ulonglong	nb_desired_values,   /* in: number of values reqd */
@@ -7289,13 +7316,6 @@ ha_innobase::get_auto_increment(
 	error = innobase_get_auto_increment(&autoinc);
 
 	if (error != DB_SUCCESS) {
-		/* This should never happen in the code > ver 5.0.6,
-		since we call this function only after the counter
-		has been initialized. */
-
-		ut_print_timestamp(stderr);
-		sql_print_error("Error %lu in ::get_auto_increment()", error);
-
 		*first_value = (~(ulonglong) 0);
 		return;
 	}
@@ -7310,6 +7330,11 @@ ha_innobase::get_auto_increment(
 
 	trx = prebuilt->trx;
 
+	/* Note: We can't rely on *first_value since some MySQL engines,
+	in particular the partition engine, don't initialize it to 0 when
+	invoking this method. So we are not sure if it's guaranteed to
+	be 0 or not. */
+
 	/* Called for the first time ? */
 	if (trx->n_autoinc_rows == 0) {
 
@@ -7318,16 +7343,16 @@ ha_innobase::get_auto_increment(
 		/* It's possible for nb_desired_values to be 0:
 		e.g., INSERT INTO T1(C) SELECT C FROM T2; */
 		if (nb_desired_values == 0) {
-  
+
 			trx->n_autoinc_rows = 1;
 		}
-  
+
 		set_if_bigger(*first_value, autoinc);
 	/* Not in the middle of a mult-row INSERT. */
 	} else if (prebuilt->last_value == 0) {
 		set_if_bigger(*first_value, autoinc);
 	}
-  
+
 	*nb_reserved_values = trx->n_autoinc_rows;
 
 	/* With old style AUTOINC locking we only update the table's
@@ -7359,7 +7384,9 @@ ha_innobase::get_auto_increment(
 
 /* See comment in handler.h */
 int
-ha_innobase::reset_auto_increment(ulonglong value)
+ha_innobase::reset_auto_increment(
+/*==============================*/
+	ulonglong	value)		/* in: new value for table autoinc */
 {
 	DBUG_ENTER("ha_innobase::reset_auto_increment");
 
@@ -7923,6 +7950,11 @@ static MYSQL_SYSVAR_BOOL(stats_on_metadata, innobase_stats_on_metadata,
   "Enable statistics gathering for metadata commands such as SHOW TABLE STATUS (on by default)",
   NULL, NULL, TRUE);
 
+static MYSQL_SYSVAR_BOOL(use_adaptive_hash_indexes, innobase_use_adaptive_hash_indexes,
+  PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY,
+  "Enable the InnoDB adaptive hash indexes (enabled by default)",
+  NULL, NULL, TRUE);
+
 static MYSQL_SYSVAR_LONG(additional_mem_pool_size, innobase_additional_mem_pool_size,
   PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
   "Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures.",
@@ -8051,6 +8083,7 @@ static struct st_mysql_sys_var* innobase_system_variables[]= {
   MYSQL_SYSVAR(open_files),
   MYSQL_SYSVAR(rollback_on_timeout),
   MYSQL_SYSVAR(stats_on_metadata),
+  MYSQL_SYSVAR(use_adaptive_hash_indexes),
   MYSQL_SYSVAR(status_file),
   MYSQL_SYSVAR(support_xa),
   MYSQL_SYSVAR(sync_spin_loops),
diff --git a/storage/innobase/handler/ha_innodb.h b/storage/innobase/handler/ha_innodb.h
index fe5ebd57990..773884b6584 100644
--- a/storage/innobase/handler/ha_innodb.h
+++ b/storage/innobase/handler/ha_innodb.h
@@ -250,17 +250,3 @@ int thd_binlog_format(const MYSQL_THD thd);
 */
 void thd_mark_transaction_to_rollback(MYSQL_THD thd, bool all);
 }
-
-/*
-  don't delete it - it may be re-enabled later
-  as an optimization for the most common case InnoDB+binlog
-*/
-#if 0
-int innobase_report_binlog_offset_and_commit(
-	THD*	thd,
-	void*	trx_handle,
-	char*	log_file_name,
-	my_off_t end_offset);
-int innobase_commit_complete(void* trx_handle);
-void innobase_store_binlog_offset_and_flush_log(char *binlog_name,longlong offset);
-#endif
diff --git a/storage/innobase/ibuf/ibuf0ibuf.c b/storage/innobase/ibuf/ibuf0ibuf.c
index 44972356304..126fd9fdd33 100644
--- a/storage/innobase/ibuf/ibuf0ibuf.c
+++ b/storage/innobase/ibuf/ibuf0ibuf.c
@@ -2900,7 +2900,7 @@ dump:
 				ut_print_timestamp(stderr);
 
 				fprintf(stderr,
-					"InnoDB: Error: Insert buffer insert"
+					"  InnoDB: Error: Insert buffer insert"
 					" fails; page free %lu,"
 					" dtuple size %lu\n",
 					(ulong) page_get_max_insert_size(
@@ -2925,7 +2925,7 @@ dump:
 					buf_frame_get_page_no(page),
 					IBUF_BITMAP_FREE, mtr);
 
-				fprintf(stderr, "Bitmap bits %lu\n",
+				fprintf(stderr, "InnoDB: Bitmap bits %lu\n",
 					(ulong) old_bits);
 
 				fputs("InnoDB: Submit a detailed bug report"
diff --git a/storage/innobase/include/db0err.h b/storage/innobase/include/db0err.h
index 0aa1b87e470..ed7ce151718 100644
--- a/storage/innobase/include/db0err.h
+++ b/storage/innobase/include/db0err.h
@@ -61,12 +61,14 @@ Created 5/24/1996 Heikki Tuuri
 					activated by the operation would
 					lead to a duplicate key in some
 					table */
-
 #define DB_TOO_MANY_CONCURRENT_TRXS 47	/* when InnoDB runs out of the
 					preconfigured undo slots, this can
 					only happen when there are too many
 					concurrent transactions */
-
+#define DB_UNSUPPORTED		48	/* when InnoDB sees any artefact or
+					a feature that it can't recoginize or
+					work with e.g., FT indexes created by
+					a later version of the engine. */
 /* The following are partial failure codes */
 #define DB_FAIL			1000
 #define DB_OVERFLOW		1001
diff --git a/storage/innobase/include/ha_prototypes.h b/storage/innobase/include/ha_prototypes.h
index 7fb50988941..ef0722321af 100644
--- a/storage/innobase/include/ha_prototypes.h
+++ b/storage/innobase/include/ha_prototypes.h
@@ -1,6 +1,8 @@
 #ifndef HA_INNODB_PROTOTYPES_H
 #define HA_INNODB_PROTOTYPES_H
 
+#ifndef UNIV_HOTBACKUP
+
 #include "univ.i" /* ulint, uint */
 #include "m_ctype.h" /* CHARSET_INFO */
 
@@ -22,6 +24,19 @@ innobase_convert_string(
 	CHARSET_INFO*	from_cs,
 	uint*		errors);
 
+/*********************************************************************
+Display an SQL identifier. */
+
+void
+innobase_print_identifier(
+/*======================*/
+	FILE*		f,	/* in: output stream */
+	trx_t*		trx,	/* in: transaction */
+	ibool		table_id,/* in: TRUE=print a table name,
+				FALSE=print other identifier */
+	const char*	name,	/* in: name to print */
+	ulint		namelen);/* in: length of name */
+
 /**********************************************************************
 Returns true if the thread is the replication thread on the slave
 server. Used in srv_conc_enter_innodb() to determine if the thread
@@ -49,3 +64,4 @@ thd_has_edited_nontrans_tables(
 	void*	thd);	/* in: thread handle (THD*) */
 
 #endif
+#endif
diff --git a/storage/innobase/include/mach0data.h b/storage/innobase/include/mach0data.h
index 8377114a723..37d862cc678 100644
--- a/storage/innobase/include/mach0data.h
+++ b/storage/innobase/include/mach0data.h
@@ -327,6 +327,17 @@ mach_write_to_2_little_endian(
 	byte*	dest,		/* in: where to write */
 	ulint	n);		/* in: unsigned long int to write */
 
+/*************************************************************
+Convert integral type from storage byte order (big endian) to
+host byte order. */
+UNIV_INLINE
+void
+mach_read_int_type(
+/*===============*/
+	byte*		dest,		/* out: where to write */
+	const byte*	src,		/* in: where to read from */
+	ulint		len,		/* in: length of src */
+	ibool		unsigned_type);	/* in: signed or unsigned flag */
 #ifndef UNIV_NONINL
 #include "mach0data.ic"
 #endif
diff --git a/storage/innobase/include/mach0data.ic b/storage/innobase/include/mach0data.ic
index 03ece7529a8..64fb87f56ed 100644
--- a/storage/innobase/include/mach0data.ic
+++ b/storage/innobase/include/mach0data.ic
@@ -7,6 +7,8 @@ to the machine format.
 Created 11/28/1995 Heikki Tuuri
 ***********************************************************************/
 
+#include "ut0mem.h"
+
 /***********************************************************
 The following function is used to store data in one byte. */
 UNIV_INLINE
@@ -689,3 +691,38 @@ mach_write_to_2_little_endian(
 
 	*dest = (byte)(n & 0xFFUL);
 }
+
+/*************************************************************
+Convert integral type from storage byte order (big endian) to
+host byte order. */
+UNIV_INLINE
+void
+mach_read_int_type(
+/*===============*/
+	byte*		dest,		/* out: where to write */
+	const byte*	src,		/* in: where to read from */
+	ulint		len,		/* in: length of src */
+	ibool		unsigned_type)	/* in: signed or unsigned flag */
+{
+#ifdef WORDS_BIGENDIAN
+	memcpy(dest, src, len);
+
+	if (!unsigned_type) {
+		dest[0] ^= 128;
+	}
+#else
+	byte*		ptr;
+
+	/* Convert integer data from Innobase to a little-endian format,
+	sign bit restored to normal. */
+
+	for (ptr = dest + len; ptr != dest; ++src) {
+		--ptr;
+		*ptr = *src;
+	}
+
+	if (!unsigned_type) {
+		dest[len - 1] ^= 128;
+	}
+#endif
+}
diff --git a/storage/innobase/include/mem0dbg.h b/storage/innobase/include/mem0dbg.h
index 36cd7a89565..2393e4edb54 100644
--- a/storage/innobase/include/mem0dbg.h
+++ b/storage/innobase/include/mem0dbg.h
@@ -60,6 +60,14 @@ mem_heap_validate_or_print(
 	ulint*		n_blocks); /* out: number of blocks in the heap,
 				if a NULL pointer is passed as this
 				argument, it is ignored */
+/******************************************************************
+Validates the contents of a memory heap. */
+
+ibool
+mem_heap_validate(
+/*==============*/
+				/* out: TRUE if ok */
+	mem_heap_t*   heap);	/* in: memory heap */
 #endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */
 #ifdef UNIV_DEBUG
 /******************************************************************
@@ -71,14 +79,6 @@ mem_heap_check(
 				/* out: TRUE if ok */
 	mem_heap_t*   heap);	/* in: memory heap */
 #endif /* UNIV_DEBUG */
-/******************************************************************
-Validates the contents of a memory heap. */
-
-ibool
-mem_heap_validate(
-/*==============*/
-				/* out: TRUE if ok */
-	mem_heap_t*   heap);	/* in: memory heap */
 #ifdef UNIV_MEM_DEBUG
 /*********************************************************************
 TRUE if no memory is currently allocated. */
diff --git a/storage/innobase/include/mem0mem.ic b/storage/innobase/include/mem0mem.ic
index adae9ad8a33..6227a27f277 100644
--- a/storage/innobase/include/mem0mem.ic
+++ b/storage/innobase/include/mem0mem.ic
@@ -271,19 +271,16 @@ mem_heap_free_heap_top(
 	ut_ad(mem_block_get_start(block) <= mem_block_get_free(block));
 
 	/* In the debug version erase block from top up */
-	{
-		ulint	len = (byte*)block + block->len - old_top;
-		mem_erase_buf(old_top, len);
-		UNIV_MEM_FREE(old_top, len);
-	}
+	mem_erase_buf(old_top, (byte*)block + block->len - old_top);
 
 	/* Update allocated memory count */
 	mutex_enter(&mem_hash_mutex);
 	mem_current_allocated_memory -= (total_size - size);
 	mutex_exit(&mem_hash_mutex);
 #else /* UNIV_MEM_DEBUG */
-	UNIV_MEM_FREE(old_top, (byte*)block + block->len - old_top);
+	UNIV_MEM_ASSERT_W(old_top, (byte*)block + block->len - old_top);
 #endif /* UNIV_MEM_DEBUG */
+	UNIV_MEM_ALLOC(old_top, (byte*)block + block->len - old_top);
 
 	/* If free == start, we may free the block if it is not the first
 	one */
@@ -363,6 +360,7 @@ mem_heap_free_top(
 	/* Subtract the free field of block */
 	mem_block_set_free(block, mem_block_get_free(block)
 			   - MEM_SPACE_NEEDED(n));
+	UNIV_MEM_ASSERT_W((byte*) block + mem_block_get_free(block), n);
 #ifdef UNIV_MEM_DEBUG
 
 	ut_ad(mem_block_get_start(block) <= mem_block_get_free(block));
@@ -378,7 +376,11 @@ mem_heap_free_top(
 				== mem_block_get_start(block))) {
 		mem_heap_block_free(heap, block);
 	} else {
-		UNIV_MEM_FREE((byte*) block + mem_block_get_free(block), n);
+		/* Avoid a bogus UNIV_MEM_ASSERT_W() warning in a
+		subsequent invocation of mem_heap_free_top().
+		Originally, this was UNIV_MEM_FREE(), to catch writes
+		to freed memory. */
+		UNIV_MEM_ALLOC((byte*) block + mem_block_get_free(block), n);
 	}
 }
 
diff --git a/storage/innobase/include/rem0rec.ic b/storage/innobase/include/rem0rec.ic
index 95aa65fabba..5a4a0a0b5df 100644
--- a/storage/innobase/include/rem0rec.ic
+++ b/storage/innobase/include/rem0rec.ic
@@ -801,6 +801,7 @@ rec_offs_set_n_alloc(
 {
 	ut_ad(offsets);
 	ut_ad(n_alloc > 0);
+	UNIV_MEM_ASSERT_AND_ALLOC(offsets, n_alloc * sizeof *offsets);
 	offsets[0] = n_alloc;
 }
 
diff --git a/storage/innobase/include/row0mysql.h b/storage/innobase/include/row0mysql.h
index aabb7f5f047..fd7ec8918ee 100644
--- a/storage/innobase/include/row0mysql.h
+++ b/storage/innobase/include/row0mysql.h
@@ -319,9 +319,11 @@ row_mysql_unfreeze_data_dictionary(
 /*===============================*/
 	trx_t*	trx);	/* in: transaction */
 /*************************************************************************
-Does a table creation operation for MySQL. If the name of the created
-table ends to characters INNODB_MONITOR, then this also starts
-printing of monitor output by the master thread. */
+Drops a table for MySQL. If the name of the table ends in
+one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor",
+"innodb_table_monitor", then this will also start the printing of monitor
+output by the master thread. If the table name ends in "innodb_mem_validate",
+InnoDB will try to invoke mem_validate(). */
 
 int
 row_create_table_for_mysql(
@@ -399,8 +401,9 @@ row_truncate_table_for_mysql(
 	dict_table_t*	table,	/* in: table handle */
 	trx_t*		trx);	/* in: transaction handle */
 /*************************************************************************
-Drops a table for MySQL. If the name of the dropped table ends to
-characters INNODB_MONITOR, then this also stops printing of monitor
+Drops a table for MySQL. If the name of the dropped table ends in
+one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor",
+"innodb_table_monitor", then this will also stop the printing of monitor
 output by the master thread. */
 
 int
diff --git a/storage/innobase/include/sync0rw.h b/storage/innobase/include/sync0rw.h
index abf04253141..7d2f63803d0 100644
--- a/storage/innobase/include/sync0rw.h
+++ b/storage/innobase/include/sync0rw.h
@@ -101,6 +101,7 @@ void
 rw_lock_free(
 /*=========*/
 	rw_lock_t*	lock);	/* in: rw-lock */
+#ifdef UNIV_DEBUG
 /**********************************************************************
 Checks that the rw-lock has been initialized and that there are no
 simultaneous shared and exclusive locks. */
@@ -109,6 +110,7 @@ ibool
 rw_lock_validate(
 /*=============*/
 	rw_lock_t*	lock);
+#endif /* UNIV_DEBUG */
 /******************************************************************
 NOTE! The following macros should be used in rw s-locking, not the
 corresponding function. */
diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i
index ba8e6e56219..8163ae16e4e 100644
--- a/storage/innobase/include/univ.i
+++ b/storage/innobase/include/univ.i
@@ -308,11 +308,39 @@ typedef void* os_thread_ret_t;
 # define UNIV_MEM_INVALID(addr, size) VALGRIND_MAKE_MEM_UNDEFINED(addr, size)
 # define UNIV_MEM_FREE(addr, size) VALGRIND_MAKE_MEM_NOACCESS(addr, size)
 # define UNIV_MEM_ALLOC(addr, size) VALGRIND_MAKE_MEM_UNDEFINED(addr, size)
+# define UNIV_MEM_ASSERT_RW(addr, size) do {				\
+	const void* _p = (const void*) (ulint)				\
+		VALGRIND_CHECK_MEM_IS_DEFINED(addr, size);		\
+	if (UNIV_LIKELY_NULL(_p))					\
+		fprintf(stderr, "%s:%d: %p[%u] undefined at %ld\n",	\
+			__FILE__, __LINE__,				\
+			(const void*) (addr), (unsigned) (size), (long)	\
+			(((const char*) _p) - ((const char*) (addr))));	\
+	} while (0)
+# define UNIV_MEM_ASSERT_W(addr, size) do {				\
+	const void* _p = (const void*) (ulint)				\
+		VALGRIND_CHECK_MEM_IS_ADDRESSABLE(addr, size);		\
+	if (UNIV_LIKELY_NULL(_p))					\
+		fprintf(stderr, "%s:%d: %p[%u] unwritable at %ld\n",	\
+			__FILE__, __LINE__,				\
+			(const void*) (addr), (unsigned) (size), (long)	\
+			(((const char*) _p) - ((const char*) (addr))));	\
+	} while (0)
 #else
 # define UNIV_MEM_VALID(addr, size) do {} while(0)
 # define UNIV_MEM_INVALID(addr, size) do {} while(0)
 # define UNIV_MEM_FREE(addr, size) do {} while(0)
 # define UNIV_MEM_ALLOC(addr, size) do {} while(0)
+# define UNIV_MEM_ASSERT_RW(addr, size) do {} while(0)
+# define UNIV_MEM_ASSERT_W(addr, size) do {} while(0)
 #endif
+#define UNIV_MEM_ASSERT_AND_FREE(addr, size) do {	\
+	UNIV_MEM_ASSERT_W(addr, size);			\
+	UNIV_MEM_FREE(addr, size);			\
+} while (0)
+#define UNIV_MEM_ASSERT_AND_ALLOC(addr, size) do {	\
+	UNIV_MEM_ASSERT_W(addr, size);			\
+	UNIV_MEM_ALLOC(addr, size);			\
+} while (0)
 
 #endif
diff --git a/storage/innobase/include/ut0ut.h b/storage/innobase/include/ut0ut.h
index 825c10d5f11..a60ce73c35a 100644
--- a/storage/innobase/include/ut0ut.h
+++ b/storage/innobase/include/ut0ut.h
@@ -263,6 +263,24 @@ ut_copy_file(
 	FILE*	dest,	/* in: output file */
 	FILE*	src);	/* in: input file to be appended to output */
 
+/**************************************************************************
+snprintf(). */
+
+#ifdef __WIN__
+int
+ut_snprintf(
+				/* out: number of characters that would
+				have been printed if the size were
+				unlimited, not including the terminating
+				'\0'. */
+	char*		str,	/* out: string */
+	size_t		size,	/* in: str size */
+	const char*	fmt,	/* in: format */
+	...);			/* in: format values */
+#else
+#define ut_snprintf	snprintf
+#endif /* __WIN__ */
+
 #ifndef UNIV_NONINL
 #include "ut0ut.ic"
 #endif
diff --git a/storage/innobase/mem/mem0dbg.c b/storage/innobase/mem/mem0dbg.c
index eb77dd01f6d..72452907c3f 100644
--- a/storage/innobase/mem/mem0dbg.c
+++ b/storage/innobase/mem/mem0dbg.c
@@ -223,6 +223,8 @@ mem_init_buf(
 {
 	byte*	ptr;
 
+	UNIV_MEM_ASSERT_W(buf, n);
+
 	for (ptr = buf; ptr < buf + n; ptr++) {
 
 		if (ut_rnd_gen_ibool()) {
@@ -231,6 +233,8 @@ mem_init_buf(
 			*ptr = 0xBE;
 		}
 	}
+
+	UNIV_MEM_INVALID(buf, n);
 }
 
 /*******************************************************************
@@ -245,6 +249,8 @@ mem_erase_buf(
 {
 	byte*	ptr;
 
+	UNIV_MEM_ASSERT_W(buf, n);
+
 	for (ptr = buf; ptr < buf + n; ptr++) {
 		if (ut_rnd_gen_ibool()) {
 			*ptr = 0xDE;
@@ -252,6 +258,8 @@ mem_erase_buf(
 			*ptr = 0xAD;
 		}
 	}
+
+	UNIV_MEM_FREE(buf, n);
 }
 
 /*******************************************************************
@@ -546,9 +554,7 @@ completed:
 	}
 	*error = FALSE;
 }
-#endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */
 
-#ifdef UNIV_DEBUG
 /******************************************************************
 Prints the contents of a memory heap. */
 static
@@ -574,20 +580,6 @@ mem_heap_print(
 	ut_a(!error);
 }
 
-/******************************************************************
-Checks that an object is a memory heap (or a block of it). */
-
-ibool
-mem_heap_check(
-/*===========*/
-				/* out: TRUE if ok */
-	mem_heap_t*	heap)	/* in: memory heap */
-{
-	ut_a(heap->magic_n == MEM_BLOCK_MAGIC_N);
-
-	return(TRUE);
-}
-
 /******************************************************************
 Validates the contents of a memory heap. */
 
@@ -614,6 +606,22 @@ mem_heap_validate(
 
 	return(TRUE);
 }
+#endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */
+
+#ifdef UNIV_DEBUG
+/******************************************************************
+Checks that an object is a memory heap (or a block of it). */
+
+ibool
+mem_heap_check(
+/*===========*/
+				/* out: TRUE if ok */
+	mem_heap_t*	heap)	/* in: memory heap */
+{
+	ut_a(heap->magic_n == MEM_BLOCK_MAGIC_N);
+
+	return(TRUE);
+}
 #endif /* UNIV_DEBUG */
 
 #ifdef UNIV_MEM_DEBUG
diff --git a/storage/innobase/mem/mem0mem.c b/storage/innobase/mem/mem0mem.c
index d89a3a55d88..f4fd178a39c 100644
--- a/storage/innobase/mem/mem0mem.c
+++ b/storage/innobase/mem/mem0mem.c
@@ -512,9 +512,9 @@ mem_heap_block_free(
 	of hex 0xDE and 0xAD. */
 
 	mem_erase_buf((byte*)block, len);
-
-#endif
-	UNIV_MEM_FREE(block, len);
+#else /* UNIV_MEM_DEBUG */
+	UNIV_MEM_ASSERT_AND_FREE(block, len);
+#endif /* UNIV_MEM_DEBUG */
 
 	if (init_block) {
 		/* Do not have to free: do nothing */
diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c
index b8d201e3da2..b3cf20b78b8 100644
--- a/storage/innobase/row/row0mysql.c
+++ b/storage/innobase/row/row0mysql.c
@@ -1728,10 +1728,11 @@ row_mysql_unlock_data_dictionary(
 }
 
 /*************************************************************************
-Does a table creation operation for MySQL.  If the name of the table
-to be created is equal with one of the predefined magic table names,
-then this also starts printing the corresponding monitor output by
-the master thread. */
+Drops a table for MySQL. If the name of the table ends in
+one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor",
+"innodb_table_monitor", then this will also start the printing of monitor
+output by the master thread. If the table name ends in "innodb_mem_validate",
+InnoDB will try to invoke mem_validate(). */
 
 int
 row_create_table_for_mysql(
@@ -1756,13 +1757,11 @@ row_create_table_for_mysql(
 	ut_ad(trx->dict_operation_lock_mode == RW_X_LATCH);
 
 	if (srv_created_new_raw) {
-		fputs("InnoDB: A new raw disk partition was initialized or\n"
-		      "InnoDB: innodb_force_recovery is on: we do not allow\n"
-		      "InnoDB: database modifications by the user. Shut down\n"
-		      "InnoDB: mysqld and edit my.cnf so that newraw"
-		      " is replaced\n"
-		      "InnoDB: with raw, and innodb_force_... is removed.\n",
-		      stderr);
+		fputs("InnoDB: A new raw disk partition was initialized:\n"
+		      "InnoDB: we do not allow database modifications"
+		      " by the user.\n"
+		      "InnoDB: Shut down mysqld and edit my.cnf so that newraw"
+		      " is replaced with raw.\n", stderr);
 
 		dict_mem_table_free(table);
 		trx_commit_for_mysql(trx);
@@ -2703,13 +2702,11 @@ row_truncate_table_for_mysql(
 	ut_ad(table);
 
 	if (srv_created_new_raw) {
-		fputs("InnoDB: A new raw disk partition was initialized or\n"
-		      "InnoDB: innodb_force_recovery is on: we do not allow\n"
-		      "InnoDB: database modifications by the user. Shut down\n"
-		      "InnoDB: mysqld and edit my.cnf so that newraw"
-		      " is replaced\n"
-		      "InnoDB: with raw, and innodb_force_... is removed.\n",
-		      stderr);
+		fputs("InnoDB: A new raw disk partition was initialized:\n"
+		      "InnoDB: we do not allow database modifications"
+		      " by the user.\n"
+		      "InnoDB: Shut down mysqld and edit my.cnf so that newraw"
+		      " is replaced with raw.\n", stderr);
 
 		return(DB_ERROR);
 	}
@@ -2898,7 +2895,9 @@ next_rec:
 
 	/* MySQL calls ha_innobase::reset_auto_increment() which does
 	the same thing. */
+	dict_table_autoinc_lock(table);
 	dict_table_autoinc_initialize(table, 0);
+	dict_table_autoinc_unlock(table);
 	dict_update_statistics(table);
 
 	trx_commit_for_mysql(trx);
@@ -2916,9 +2915,10 @@ funct_exit:
 #endif /* !UNIV_HOTBACKUP */
 
 /*************************************************************************
-Drops a table for MySQL. If the name of the table to be dropped is equal
-with one of the predefined magic table names, then this also stops printing
-the corresponding monitor output by the master thread. */
+Drops a table for MySQL. If the name of the dropped table ends in
+one of "innodb_monitor", "innodb_lock_monitor", "innodb_tablespace_monitor",
+"innodb_table_monitor", then this will also stop the printing of monitor
+output by the master thread. */
 
 int
 row_drop_table_for_mysql(
@@ -2934,21 +2934,17 @@ row_drop_table_for_mysql(
 	ulint		err;
 	const char*	table_name;
 	ulint		namelen;
-	char*		dir_path_of_temp_table	= NULL;
-	ibool		success;
 	ibool		locked_dictionary	= FALSE;
 	pars_info_t*    info			= NULL;
 
 	ut_a(name != NULL);
 
 	if (srv_created_new_raw) {
-		fputs("InnoDB: A new raw disk partition was initialized or\n"
-		      "InnoDB: innodb_force_recovery is on: we do not allow\n"
-		      "InnoDB: database modifications by the user. Shut down\n"
-		      "InnoDB: mysqld and edit my.cnf so that newraw"
-		      " is replaced\n"
-		      "InnoDB: with raw, and innodb_force_... is removed.\n",
-		      stderr);
+		fputs("InnoDB: A new raw disk partition was initialized:\n"
+		      "InnoDB: we do not allow database modifications"
+		      " by the user.\n"
+		      "InnoDB: Shut down mysqld and edit my.cnf so that newraw"
+		      " is replaced with raw.\n", stderr);
 
 		return(DB_ERROR);
 	}
@@ -3232,14 +3228,20 @@ check_next_foreign:
 	} else {
 		ibool		is_path;
 		const char*	name_or_path;
+		mem_heap_t*	heap;
 
+		heap = mem_heap_create(200);
+
+		/* Clone the name, in case it has been allocated
+		from table->heap, which will be freed by
+		dict_table_remove_from_cache(table) below. */
+		name = mem_heap_strdup(heap, name);
 		space_id = table->space;
 
 		if (table->dir_path_of_temp_table != NULL) {
-			dir_path_of_temp_table = mem_strdup(
-				table->dir_path_of_temp_table);
 			is_path = TRUE;
-			name_or_path = dir_path_of_temp_table;
+			name_or_path = mem_heap_strdup(
+				heap, table->dir_path_of_temp_table);
 		} else {
 			is_path = FALSE;
 			name_or_path = name;
@@ -3272,13 +3274,7 @@ check_next_foreign:
 					"InnoDB: of table ");
 				ut_print_name(stderr, trx, TRUE, name);
 				fprintf(stderr, ".\n");
-
-				goto funct_exit;
-			}
-
-			success = fil_delete_tablespace(space_id);
-
-			if (!success) {
+			} else if (!fil_delete_tablespace(space_id)) {
 				fprintf(stderr,
 					"InnoDB: We removed now the InnoDB"
 					" internal data dictionary entry\n"
@@ -3296,6 +3292,8 @@ check_next_foreign:
 				err = DB_ERROR;
 			}
 		}
+
+		mem_heap_free(heap);
 	}
 funct_exit:
 
@@ -3305,10 +3303,6 @@ funct_exit:
 		row_mysql_unlock_data_dictionary(trx);
 	}
 
-	if (dir_path_of_temp_table) {
-		mem_free(dir_path_of_temp_table);
-	}
-
 	trx->op_info = "";
 
 #ifndef UNIV_HOTBACKUP
diff --git a/storage/innobase/row/row0sel.c b/storage/innobase/row/row0sel.c
index fdf6aa46351..29bded114e0 100644
--- a/storage/innobase/row/row0sel.c
+++ b/storage/innobase/row/row0sel.c
@@ -531,12 +531,13 @@ row_sel_build_prev_vers(
 /*====================*/
 					/* out: DB_SUCCESS or error code */
 	read_view_t*	read_view,	/* in: read view */
-	plan_t*		plan,		/* in: plan node for table */
+	dict_index_t*	index,		/* in: plan node for table */
 	rec_t*		rec,		/* in: record in a clustered index */
 	ulint**		offsets,	/* in/out: offsets returned by
 					rec_get_offsets(rec, plan->index) */
 	mem_heap_t**	offset_heap,	/* in/out: memory heap from which
 					the offsets are allocated */
+	mem_heap_t**    old_vers_heap,  /* out: old version heap to use */
 	rec_t**		old_vers,	/* out: old version, or NULL if the
 					record does not exist in the view:
 					i.e., it was freshly inserted
@@ -545,15 +546,15 @@ row_sel_build_prev_vers(
 {
 	ulint	err;
 
-	if (plan->old_vers_heap) {
-		mem_heap_empty(plan->old_vers_heap);
+	if (*old_vers_heap) {
+		mem_heap_empty(*old_vers_heap);
 	} else {
-		plan->old_vers_heap = mem_heap_create(512);
+		*old_vers_heap = mem_heap_create(512);
 	}
 
 	err = row_vers_build_for_consistent_read(
-		rec, mtr, plan->index, offsets, read_view, offset_heap,
-		plan->old_vers_heap, old_vers);
+		rec, mtr, index, offsets, read_view, offset_heap,
+		*old_vers_heap, old_vers);
 	return(err);
 }
 
@@ -765,9 +766,11 @@ row_sel_get_clust_rec(
 		if (!lock_clust_rec_cons_read_sees(clust_rec, index, offsets,
 						   node->read_view)) {
 
-			err = row_sel_build_prev_vers(node->read_view, plan,
-						      clust_rec, &offsets,
-						      &heap, &old_vers, mtr);
+			err = row_sel_build_prev_vers(
+				node->read_view, index, clust_rec,
+				&offsets, &heap, &plan->old_vers_heap,
+				&old_vers, mtr);
+
 			if (err != DB_SUCCESS) {
 
 				goto err_exit;
@@ -1490,10 +1493,11 @@ skip_lock:
 			if (!lock_clust_rec_cons_read_sees(rec, index, offsets,
 							   node->read_view)) {
 
-				err = row_sel_build_prev_vers(node->read_view,
-							      plan, rec,
-							      &offsets, &heap,
-							      &old_vers, &mtr);
+				err = row_sel_build_prev_vers(
+					node->read_view, index, rec,
+					&offsets, &heap, &plan->old_vers_heap,
+					&old_vers, &mtr);
+
 				if (err != DB_SUCCESS) {
 
 					goto lock_wait_or_error;
@@ -3999,6 +4003,7 @@ no_gap_lock:
 			mutex_enter(&kernel_mutex);
 			if (trx->was_chosen_as_deadlock_victim) {
 				mutex_exit(&kernel_mutex);
+				err = DB_DEADLOCK;
 
 				goto lock_wait_or_error;
 			}
@@ -4521,7 +4526,8 @@ row_search_check_if_query_cache_permitted(
 }
 
 /***********************************************************************
-Read the AUTOINC column from the current row. */
+Read the AUTOINC column from the current row. If the value is less than
+0 and the type is not unsigned then we reset the value to 0. */
 static
 ib_longlong
 row_search_autoinc_read_column(
@@ -4536,6 +4542,7 @@ row_search_autoinc_read_column(
 	const byte*	data;
 	ib_longlong	value;
 	mem_heap_t*	heap = NULL;
+	/* Our requirement is that dest should be word aligned. */
 	byte		dest[sizeof(value)];
 	ulint		offsets_[REC_OFFS_NORMAL_SIZE];
 	ulint*		offsets	= offsets_;
@@ -4554,26 +4561,43 @@ row_search_autoinc_read_column(
 	ut_a(len != UNIV_SQL_NULL);
 	ut_a(len <= sizeof value);
 
-	/* Copy integer data and restore sign bit */
-	if (unsigned_type || (data[0] & 128))
-		memset(dest, 0x00, sizeof(dest));
-	else
-		memset(dest, 0xff, sizeof(dest));
+	mach_read_int_type(dest, data, len, unsigned_type);
 
-	memcpy(dest + (sizeof(value) - len), data, len);
+	/* The assumption here is that the AUTOINC value can't be negative
+	and that dest is word aligned. */
+	switch (len) {
+	case 8:
+		value = *(ib_longlong*) dest;
+		break;
 
-	if (!unsigned_type)
-		dest[sizeof(value) - len] ^= 128;
+	case 4:
+		value = *(ib_uint32_t*) dest;
+		break;
 
-	/* The assumption here is that the AUTOINC value can't be negative.*/
-	value = (((ib_longlong) mach_read_from_4(dest)) << 32) |
-		 ((ib_longlong) mach_read_from_4(dest + 4));        
+	case 3:
+		value = *(ib_uint32_t*) dest;
+		value &= 0xFFFFFF;
+		break;
+
+	case 2:
+		value = *(uint16 *) dest;
+		break;
+
+	case 1:
+		value = *dest;
+		break;
+
+	default:
+		ut_error;
+	}
 
 	if (UNIV_LIKELY_NULL(heap)) {
 		mem_heap_free(heap);
 	}
 
-	ut_a(value >= 0);
+	if (!unsigned_type && value < 0) {
+		value = 0;
+	}
 
 	return(value);
 }
diff --git a/storage/innobase/sync/sync0rw.c b/storage/innobase/sync/sync0rw.c
index 4db780c8b3f..8dbc69816e9 100644
--- a/storage/innobase/sync/sync0rw.c
+++ b/storage/innobase/sync/sync0rw.c
@@ -174,9 +174,7 @@ rw_lock_free(
 /*=========*/
 	rw_lock_t*	lock)	/* in: rw-lock */
 {
-#ifdef UNIV_DEBUG
-	ut_a(rw_lock_validate(lock));
-#endif /* UNIV_DEBUG */
+	ut_ad(rw_lock_validate(lock));
 	ut_a(rw_lock_get_writer(lock) == RW_LOCK_NOT_LOCKED);
 	ut_a(rw_lock_get_waiters(lock) == 0);
 	ut_a(rw_lock_get_reader_count(lock) == 0);
@@ -199,6 +197,7 @@ rw_lock_free(
 	mutex_exit(&rw_lock_list_mutex);
 }
 
+#ifdef UNIV_DEBUG
 /**********************************************************************
 Checks that the rw-lock has been initialized and that there are no
 simultaneous shared and exclusive locks. */
@@ -226,6 +225,7 @@ rw_lock_validate(
 
 	return(TRUE);
 }
+#endif /* UNIV_DEBUG */
 
 /**********************************************************************
 Lock an rw-lock in shared mode for the current thread. If the rw-lock is
diff --git a/storage/innobase/sync/sync0sync.c b/storage/innobase/sync/sync0sync.c
index bf3f4d1ff20..39872f72204 100644
--- a/storage/innobase/sync/sync0sync.c
+++ b/storage/innobase/sync/sync0sync.c
@@ -830,7 +830,7 @@ sync_thread_levels_g(
 				mutex = slot->latch;
 
 				fprintf(stderr,
-					"InnoDB error: sync levels should be"
+					"InnoDB: sync levels should be"
 					" > %lu but a level is %lu\n",
 					(ulong) limit, (ulong) slot->level);
 
diff --git a/storage/innobase/ut/ut0ut.c b/storage/innobase/ut/ut0ut.c
index 389063ad821..1ca278cd633 100644
--- a/storage/innobase/ut/ut0ut.c
+++ b/storage/innobase/ut/ut0ut.c
@@ -18,6 +18,7 @@ Created 5/11/1994 Heikki Tuuri
 
 #include "ut0sort.h"
 #include "trx0trx.h"
+#include "ha_prototypes.h"
 
 ibool	ut_always_false	= FALSE;
 
@@ -70,22 +71,6 @@ ut_gettimeofday(
 #define	ut_gettimeofday		gettimeofday
 #endif
 
-#ifndef UNIV_HOTBACKUP
-/*********************************************************************
-Display an SQL identifier.
-This definition must match the one in sql/ha_innodb.cc! */
-extern
-void
-innobase_print_identifier(
-/*======================*/
-	FILE*		f,	/* in: output stream */
-	trx_t*		trx,	/* in: transaction */
-	ibool		table_id,/* in: TRUE=print a table name,
-				FALSE=print other identifier */
-	const char*	name,	/* in: name to print */
-	ulint		namelen);/* in: length of name */
-#endif /* !UNIV_HOTBACKUP */
-
 /************************************************************
 Gets the high 32 bits in a ulint. That is makes a shift >> 32,
 but since there seem to be compiler bugs in both gcc and Visual C++,
@@ -360,6 +345,8 @@ ut_print_buf(
 	const byte*	data;
 	ulint		i;
 
+	UNIV_MEM_ASSERT_RW(buf, len);
+
 	fprintf(file, " len %lu; hex ", len);
 
 	for (data = (const byte*)buf, i = 0; i < len; i++) {
@@ -474,17 +461,20 @@ ut_print_namel(
 #ifdef UNIV_HOTBACKUP
 	fwrite(name, 1, namelen, f);
 #else
-	char*	slash = memchr(name, '/', namelen);
+	if (table_id) {
+		char*	slash = memchr(name, '/', namelen);
+		if (!slash) {
+
+			goto no_db_name;
+		}
 
-	if (UNIV_LIKELY_NULL(slash)) {
 		/* Print the database name and table name separately. */
-		ut_ad(table_id);
-
 		innobase_print_identifier(f, trx, TRUE, name, slash - name);
 		putc('.', f);
 		innobase_print_identifier(f, trx, TRUE, slash + 1,
 					  namelen - (slash - name) - 1);
 	} else {
+no_db_name:
 		innobase_print_identifier(f, trx, table_id, name, namelen);
 	}
 #endif
@@ -515,3 +505,44 @@ ut_copy_file(
 		}
 	} while (len > 0);
 }
+
+/**************************************************************************
+snprintf(). */
+
+#ifdef __WIN__
+#include <stdarg.h>
+int
+ut_snprintf(
+				/* out: number of characters that would
+				have been printed if the size were
+				unlimited, not including the terminating
+				'\0'. */
+	char*		str,	/* out: string */
+	size_t		size,	/* in: str size */
+	const char*	fmt,	/* in: format */
+	...)			/* in: format values */
+{
+	int	res;
+	va_list	ap1;
+	va_list	ap2;
+
+	va_start(ap1, fmt);
+	va_start(ap2, fmt);
+
+	res = _vscprintf(fmt, ap1);
+	ut_a(res != -1);
+
+	if (size > 0) {
+		_vsnprintf(str, size, fmt, ap2);
+
+		if ((size_t) res >= size) {
+			str[size - 1] = '\0';
+		}
+	}
+
+	va_end(ap1);
+	va_end(ap2);
+
+	return(res);
+}
+#endif /* __WIN__ */
diff --git a/support-files/mysql.server.sh b/support-files/mysql.server.sh
index e0933aff8a4..65e13aaaca0 100644
--- a/support-files/mysql.server.sh
+++ b/support-files/mysql.server.sh
@@ -314,7 +314,7 @@ case "$mode" in
       fi
       exit $return_value
     else
-      log_failure_msg "Couldn't find MySQL manager or server"
+      log_failure_msg "Couldn't find MySQL manager ($manager) or server ($bindir/mysqld_safe)"
     fi
     ;;