diff --git a/mysql-test/lib/mtr_misc.pl b/mysql-test/lib/mtr_misc.pl
index bc44c440c32..0ab09a40b37 100644
--- a/mysql-test/lib/mtr_misc.pl
+++ b/mysql-test/lib/mtr_misc.pl
@@ -83,7 +83,14 @@ sub mtr_path_exists (@) {
 sub mtr_script_exists (@) {
   foreach my $path ( @_ )
   {
-    return $path if -x $path;
+    if($::glob_win32)
+    {
+      return $path if -f $path;
+    }
+    else
+    {
+      return $path if -x $path;
+    }
   }
   if ( @_ == 1 )
   {
diff --git a/mysql-test/r/ctype_cp1250_ch.result b/mysql-test/r/ctype_cp1250_ch.result
index fad06dd2881..007d6103b8a 100644
--- a/mysql-test/r/ctype_cp1250_ch.result
+++ b/mysql-test/r/ctype_cp1250_ch.result
@@ -43,3 +43,11 @@ id	str
 6	aaaaaa
 7	aaaaaaa
 drop table t1;
+set names cp1250;
+create table t1 (a varchar(15) collate cp1250_czech_cs NOT NULL, primary key(a));
+insert into t1 values("abcdefghá");
+insert into t1 values("ááèè");
+select a from t1 where a like "abcdefghá";
+a
+abcdefghá
+drop table t1;
diff --git a/mysql-test/r/ctype_utf8.result b/mysql-test/r/ctype_utf8.result
index 2f82cb2aecb..6e75e447763 100644
--- a/mysql-test/r/ctype_utf8.result
+++ b/mysql-test/r/ctype_utf8.result
@@ -1281,6 +1281,22 @@ id	tid	val
 42749	72	VOLNÝ ADSL
 44205	72	VOLNÝ ADSL
 DROP TABLE t1;
+create table t1(a char(200) collate utf8_unicode_ci NOT NULL default '')
+default charset=utf8 collate=utf8_unicode_ci;
+insert into t1 values (unhex('65')), (unhex('C3A9')), (unhex('65'));
+explain select distinct a from t1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	Using temporary
+select distinct a from t1;
+a
+e
+explain select a from t1 group by a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	Using temporary; Using filesort
+select a from t1 group by a;
+a
+e
+drop table t1;
 CREATE TABLE t1(id varchar(20) NOT NULL) DEFAULT CHARSET=utf8;
 INSERT INTO t1 VALUES ('xxx'), ('aa'), ('yyy'), ('aa');
 SELECT id FROM t1;
diff --git a/mysql-test/r/federated.result b/mysql-test/r/federated.result
index 77e2d251cb8..312b2b8a81a 100644
--- a/mysql-test/r/federated.result
+++ b/mysql-test/r/federated.result
@@ -1788,7 +1788,33 @@ length(a)
 5000
 drop table t1;
 drop table t1;
-End of 5.0 tests
+DROP TABLE IF EXISTS federated.test;
+CREATE TABLE federated.test (
+`i` int(11) NOT NULL,
+`j` int(11) NOT NULL,
+`c` varchar(30) default NULL,
+PRIMARY KEY  (`i`,`j`),
+UNIQUE KEY `i` (`i`,`c`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+DROP TABLE IF EXISTS federated.test1;
+DROP TABLE IF EXISTS federated.test2;
+create table federated.test1 (
+i int not null,
+j int not null,
+c varchar(30),
+primary key (i,j),
+unique key (i, c))
+engine = federated
+connection='mysql://root@127.0.0.1:SLAVE_PORT/federated/test';
+create table federated.test2 (
+i int default null,
+j int not null,
+c varchar(30),
+key (i))
+engine = federated
+connection='mysql://root@127.0.0.1:SLAVE_PORT/federated/test';
+drop table federated.test1, federated.test2;
+drop table federated.test;
 DROP TABLE IF EXISTS federated.t1;
 DROP DATABASE IF EXISTS federated;
 DROP TABLE IF EXISTS federated.t1;
diff --git a/mysql-test/r/federated_transactions.result b/mysql-test/r/federated_transactions.result
index e6714210ded..40644e3535e 100644
--- a/mysql-test/r/federated_transactions.result
+++ b/mysql-test/r/federated_transactions.result
@@ -16,7 +16,7 @@ CREATE TABLE federated.t1 (
 `id` int(20) NOT NULL,
 `name` varchar(32) NOT NULL default ''
     )
-DEFAULT CHARSET=latin1 ENGINE=InnoDB;
+DEFAULT CHARSET=latin1 ENGINE=innodb;
 DROP TABLE IF EXISTS federated.t1;
 Warnings:
 Note	1051	Unknown table 't1'
diff --git a/mysql-test/t/ctype_cp1250_ch.test b/mysql-test/t/ctype_cp1250_ch.test
index 8391582cfde..89f82d1a758 100644
--- a/mysql-test/t/ctype_cp1250_ch.test
+++ b/mysql-test/t/ctype_cp1250_ch.test
@@ -47,4 +47,14 @@ INSERT INTO t1 VALUES (NULL, 'aaaaaaa');
 select * from t1 where str like 'aa%';
 drop table t1;
 
+#
+# Bug#19741 segfault with cp1250 charset + like + primary key + 64bit os
+#
+set names cp1250;
+create table t1 (a varchar(15) collate cp1250_czech_cs NOT NULL, primary key(a));
+insert into t1 values("abcdefghá");
+insert into t1 values("ááèè");
+select a from t1 where a like "abcdefghá";
+drop table t1;
+
 # End of 4.1 tests
diff --git a/mysql-test/t/ctype_utf8.test b/mysql-test/t/ctype_utf8.test
index ccb3e7f718c..30dab7c5170 100644
--- a/mysql-test/t/ctype_utf8.test
+++ b/mysql-test/t/ctype_utf8.test
@@ -1026,6 +1026,20 @@ ALTER TABLE t1 ADD KEY idx (tid,val(11));
 SELECT * FROM t1 WHERE tid=72 and val LIKE 'VOLNÝ ADSL'; 
 
 DROP TABLE t1;
+
+#
+# Bug 20709: problem with utf8 fields in temporary tables
+#
+
+create table t1(a char(200) collate utf8_unicode_ci NOT NULL default '')
+  default charset=utf8 collate=utf8_unicode_ci;
+insert into t1 values (unhex('65')), (unhex('C3A9')), (unhex('65'));
+explain select distinct a from t1;
+select distinct a from t1;
+explain select a from t1 group by a;
+select a from t1 group by a;
+drop table t1;
+
 # End of 4.1 tests
 
 #
diff --git a/mysql-test/t/disabled.def b/mysql-test/t/disabled.def
index 359092b43b3..644c379d746 100644
--- a/mysql-test/t/disabled.def
+++ b/mysql-test/t/disabled.def
@@ -21,6 +21,7 @@ ndb_autodiscover2        : BUG#18952 2006-02-16 jmiller Needs to be fixed w.r.t
 ndb_binlog_ignore_db     : BUG#21279 2006-07-25 ingo    Randomly throws a warning
 ndb_load                 : BUG#17233 2006-05-04 tomas failed load data from infile causes mysqld dbug_assert, binlog not flushed
 ndb_restore_compat       : BUG#21283 2006-07-26 ingo    Test fails randomly
+partition                : BUG#21658 2006-08-16 Partition test fails, --ps-protocol
 partition_03ndb          : BUG#16385 2006-03-24 mikael Partitions: crash when updating a range partitioned NDB table
 ps                       : BUG#21524 2006-08-08 pgalbraith 'ps' test fails in --ps-protocol test AMD64 bit
 ps_7ndb                  : BUG#18950 2006-02-16 jmiller create table like does not obtain LOCK_open
@@ -44,4 +45,3 @@ rpl_row_basic_7ndb       : BUG#21298 2006-07-27 msvensson
 rpl_truncate_7ndb        : BUG#21298 2006-07-27 msvensson
 crash_commit_before      : 2006-08-02 msvensson
 rpl_ndb_dd_advance       : BUG#18679 2006-07-28 jimw (Test fails randomly)
-federated_transactions   : Need to be re-enabled once Patrick's merge is complete
diff --git a/mysql-test/t/federated.test b/mysql-test/t/federated.test
index 8e4e45808b6..937c72e0cf6 100644
--- a/mysql-test/t/federated.test
+++ b/mysql-test/t/federated.test
@@ -1553,5 +1553,49 @@ drop table t1;
 connection master;
 drop table t1;
 
---echo End of 5.0 tests
+#
+# BUG #15133: unique index with nullable value not accepted in federated table 
+#
+
+connection slave;
+--disable_warnings
+DROP TABLE IF EXISTS federated.test;
+CREATE TABLE federated.test (
+  `i` int(11) NOT NULL,
+  `j` int(11) NOT NULL,
+  `c` varchar(30) default NULL,
+  PRIMARY KEY  (`i`,`j`),
+  UNIQUE KEY `i` (`i`,`c`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+--enable_warnings
+
+connection master;
+--disable_warnings
+DROP TABLE IF EXISTS federated.test1;
+DROP TABLE IF EXISTS federated.test2;
+--enable_warnings
+
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval create table federated.test1 (
+        i int not null,
+        j int not null,
+        c varchar(30),
+        primary key (i,j),
+        unique key (i, c))
+engine = federated
+connection='mysql://root@127.0.0.1:$SLAVE_MYPORT/federated/test';
+
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval create table federated.test2 (
+        i int default null,
+        j int not null,
+        c varchar(30),
+        key (i))
+engine = federated
+connection='mysql://root@127.0.0.1:$SLAVE_MYPORT/federated/test';
+drop table federated.test1, federated.test2;
+
+connection slave;
+drop table federated.test;
+
 source include/federated_cleanup.inc;
diff --git a/sql/ha_federated.cc b/sql/ha_federated.cc
index 8aca6362462..fbb3cbd9646 100644
--- a/sql/ha_federated.cc
+++ b/sql/ha_federated.cc
@@ -332,6 +332,7 @@
 
 */
 
+
 #include "mysql_priv.h"
 #ifdef USE_PRAGMA_IMPLEMENTATION
 #pragma implementation                          // gcc: Class implementation
diff --git a/sql/ha_federated.h b/sql/ha_federated.h
index cb7e772adfe..ebdc775d3bf 100644
--- a/sql/ha_federated.h
+++ b/sql/ha_federated.h
@@ -117,9 +117,10 @@ public:
   ulonglong table_flags() const
   {
     /* fix server to be able to get remote server table flags */
-    return (HA_PRIMARY_KEY_IN_READ_INDEX | HA_FILE_BASED | HA_REC_NOT_IN_SEQ |
-            HA_AUTO_PART_KEY | HA_CAN_INDEX_BLOBS| HA_NO_PREFIX_CHAR_KEYS |
-            HA_PRIMARY_KEY_REQUIRED_FOR_DELETE | HA_PARTIAL_COLUMN_READ);
+    return (HA_PRIMARY_KEY_IN_READ_INDEX | HA_FILE_BASED
+            | HA_REC_NOT_IN_SEQ | HA_AUTO_PART_KEY | HA_CAN_INDEX_BLOBS |
+            HA_NO_PREFIX_CHAR_KEYS | HA_PRIMARY_KEY_REQUIRED_FOR_DELETE |
+            HA_PARTIAL_COLUMN_READ | HA_NULL_IN_KEY);
   }
   /*
     This is a bitmap of flags that says how the storage engine
diff --git a/storage/csv/ha_tina.cc b/storage/csv/ha_tina.cc
index 588774e5c85..bec236becd0 100644
--- a/storage/csv/ha_tina.cc
+++ b/storage/csv/ha_tina.cc
@@ -180,7 +180,7 @@ static int tina_done_func()
   }
   return 0;
 }
-	
+
 
 /*
   Simple lock controls.
diff --git a/strings/ctype-win1250ch.c b/strings/ctype-win1250ch.c
index 0bc465f16ea..39948964a42 100644
--- a/strings/ctype-win1250ch.c
+++ b/strings/ctype-win1250ch.c
@@ -636,11 +636,11 @@ my_like_range_win1250ch(CHARSET_INFO *cs __attribute__((unused)),
       ptr++;					/* Skip escape */
     else if (*ptr == w_one || *ptr == w_many)	/* '_' or '%' in SQL */
       break;
-    *min_str = like_range_prefix_min_win1250ch[(uint)(*ptr)];
+    *min_str= like_range_prefix_min_win1250ch[(uint) (uchar) (*ptr)];
     if (*min_str != min_sort_char)
       only_min_found= 0;
     min_str++;
-    *max_str++= like_range_prefix_max_win1250ch[(uint)(*ptr)];
+    *max_str++= like_range_prefix_max_win1250ch[(uint) (uchar) (*ptr)];
   }
 
   if (cs->state & MY_CS_BINSORT)