diff --git a/client/mysqlcheck.c b/client/mysqlcheck.c
index 473e172adf9..513d1974ed0 100644
--- a/client/mysqlcheck.c
+++ b/client/mysqlcheck.c
@@ -488,9 +488,14 @@ static int process_all_tables_in_db(char *database)
   LINT_INIT(res);
   if (use_db(database))
     return 1;
-  if (mysql_query(sock, "SHOW /*!50002 FULL*/ TABLES") ||
-	!((res= mysql_store_result(sock))))
+  if ((mysql_query(sock, "SHOW /*!50002 FULL*/ TABLES") &&
+       mysql_query(sock, "SHOW TABLES")) ||
+      !(res= mysql_store_result(sock)))
+  {
+    my_printf_error(0, "Error: Couldn't get table list for database %s: %s",
+		    MYF(0), database, mysql_error(sock));
     return 1;
+  }
 
   num_columns= mysql_num_fields(res);
 
diff --git a/mysql-test/include/check-testcase.test b/mysql-test/include/check-testcase.test
index 30cb7391f30..a9885f7b0ec 100644
--- a/mysql-test/include/check-testcase.test
+++ b/mysql-test/include/check-testcase.test
@@ -11,12 +11,12 @@
 #
 # Dump all global variables
 #
-show global variables;
+SHOW GLOBAL VARIABLES WHERE variable_name != 'timestamp';
 
 #
 # Dump all databases
 #
-show databases;
+SHOW DATABASES;
 
 #
 # Dump the "test" database, all it's tables and their data
@@ -29,23 +29,23 @@ show databases;
 #
 --exec $MYSQL_DUMP --skip-comments --no-data mysql
 use mysql;
-select * from columns_priv;
-select * from db order by host, db, user;
-select * from func;
-select * from help_category;
-select * from help_keyword;
-select * from help_relation;
-select * from help_relation;
-select * from host;
-select * from proc;
-select * from procs_priv;
-select * from tables_priv;
-select * from time_zone;
-select * from time_zone_leap_second;
-select * from time_zone_name;
-select * from time_zone_transition;
-select * from time_zone_transition_type;
-select * from user;
+SELECT * FROM columns_priv;
+SELECT * FROM db ORDER BY host, db, user;
+SELECT * FROM func;
+SELECT * FROM help_category;
+SELECT * FROM help_keyword;
+SELECT * FROM help_relation;
+SELECT * FROM help_relation;
+SELECT * FROM host;
+SELECT * FROM proc;
+SELECT * FROM procs_priv;
+SELECT * FROM tables_priv;
+SELECT * FROM time_zone;
+SELECT * FROM time_zone_leap_second;
+SELECT * FROM time_zone_name;
+SELECT * FROM time_zone_transition;
+SELECT * FROM time_zone_transition_type;
+SELECT * FROM user;
 
 
 
diff --git a/mysql-test/r/ctype_utf8.result b/mysql-test/r/ctype_utf8.result
index 5ca1d578d2a..a4d7ca2558f 100644
--- a/mysql-test/r/ctype_utf8.result
+++ b/mysql-test/r/ctype_utf8.result
@@ -1813,3 +1813,35 @@ select hex(_utf8 B'001111111111');
 ERROR HY000: Invalid utf8 character string: 'FF'
 select (_utf8 X'616263FF');
 ERROR HY000: Invalid utf8 character string: 'FF'
+CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL);
+INSERT INTO t1 VALUES (70000, 1092), (70001, 1085), (70002, 1065);
+SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
+CONVERT(a, CHAR)	CONVERT(b, CHAR)
+70002	1065
+70001	1085
+70000	1092
+SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1;
+CONVERT(a, CHAR)	CONVERT(b, CHAR)
+70000	1092
+70001	1085
+70002	1065
+ALTER TABLE t1 ADD UNIQUE (b);
+SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
+CONVERT(a, CHAR)	CONVERT(b, CHAR)
+70002	1065
+70001	1085
+70000	1092
+DROP INDEX b ON t1;
+SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
+CONVERT(a, CHAR)	CONVERT(b, CHAR)
+70002	1065
+70001	1085
+70000	1092
+ALTER TABLE t1 ADD INDEX (b);
+SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) from t1 GROUP BY b;
+CONVERT(a, CHAR)	CONVERT(b, CHAR)
+70002	1065
+70001	1085
+70000	1092
+DROP TABLE t1;
+End of 5.0 tests
diff --git a/mysql-test/r/federated.result b/mysql-test/r/federated.result
index 45b615864ac..f0de3e9b04a 100644
--- a/mysql-test/r/federated.result
+++ b/mysql-test/r/federated.result
@@ -2085,6 +2085,15 @@ Table	Checksum
 test.t1	2465757603
 DROP TABLE t1;
 DROP TABLE t1;
+CREATE TABLE t1 (a TEXT, b TEXT, KEY(b(1)));
+INSERT INTO t1 VALUES (NULL, NULL), (NULL, NULL), (NULL, NULL), (NULL, NULL);
+CREATE TABLE t1
+(a TEXT, b TEXT, KEY(b(1))) ENGINE=FEDERATED
+CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/test/t1';
+SELECT t1.a FROM t1, t1 as t2 WHERE t2.b NOT LIKE t1.b;
+a
+DROP TABLE t1;
+DROP TABLE t1;
 End of 5.0 tests
 SET @@GLOBAL.CONCURRENT_INSERT= @OLD_MASTER_CONCURRENT_INSERT;
 SET @@GLOBAL.CONCURRENT_INSERT= @OLD_SLAVE_CONCURRENT_INSERT;
diff --git a/mysql-test/r/fulltext.result b/mysql-test/r/fulltext.result
index 29fb430bb97..e73f8af405c 100644
--- a/mysql-test/r/fulltext.result
+++ b/mysql-test/r/fulltext.result
@@ -469,3 +469,31 @@ SELECT * FROM t1 WHERE MATCH(a) AGAINST ('"aaaa"' IN BOOLEAN MODE);
 a
  aaaaa aaaa
 DROP TABLE t1;
+CREATE TABLE t1 (a VARCHAR(255), b INT, FULLTEXT(a), KEY(b));
+INSERT INTO t1 VALUES('test', 1),('test', 1),('test', 1),('test', 1),
+('test', 1),('test', 2),('test', 3),('test', 4);
+EXPLAIN SELECT * FROM t1
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	fulltext	b,a	a	0		1	Using where
+EXPLAIN SELECT * FROM t1 USE INDEX(a)
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	fulltext	a	a	0		1	Using where
+EXPLAIN SELECT * FROM t1 FORCE INDEX(a)
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	fulltext	a	a	0		1	Using where
+EXPLAIN SELECT * FROM t1 IGNORE INDEX(a)
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	b	b	5	const	4	Using where
+EXPLAIN SELECT * FROM t1 USE INDEX(b)
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	b	b	5	const	4	Using where
+EXPLAIN SELECT * FROM t1 FORCE INDEX(b)
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	b	b	5	const	4	Using where
+DROP TABLE t1;
diff --git a/mysql-test/r/func_group.result b/mysql-test/r/func_group.result
index 772e432355b..a7f4c58f4af 100644
--- a/mysql-test/r/func_group.result
+++ b/mysql-test/r/func_group.result
@@ -1425,4 +1425,27 @@ SELECT AVG(a), CAST(AVG(a) AS DECIMAL) FROM t1;
 AVG(a)	CAST(AVG(a) AS DECIMAL)
 15	15
 DROP TABLE t1;
+CREATE TABLE t1 (a INT, b INT);
+INSERT INTO t1 VALUES (1,1), (1,2), (1,3);
+SET SQL_MODE='ONLY_FULL_GROUP_BY';
+SELECT COUNT(*) FROM t1;
+COUNT(*)
+3
+SELECT COUNT(*) FROM t1 where a=1;
+COUNT(*)
+3
+SELECT COUNT(*),a FROM t1;
+ERROR 42000: Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause
+SELECT COUNT(*) FROM t1 a JOIN t1 b ON a.a= b.a;
+COUNT(*)
+9
+SELECT COUNT(*), (SELECT count(*) FROM t1 inr WHERE inr.a = outr.a) 
+FROM t1 outr;
+ERROR 42000: Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause
+SELECT COUNT(*) FROM t1 a JOIN t1 outr 
+ON a.a= (SELECT count(*) FROM t1 inr WHERE inr.a = outr.a);
+COUNT(*)
+0
+SET SQL_MODE=default;
+DROP TABLE t1;
 End of 5.0 tests
diff --git a/mysql-test/r/mysqlcheck.result b/mysql-test/r/mysqlcheck.result
index 8d7a2d41649..f8dad6a7769 100644
--- a/mysql-test/r/mysqlcheck.result
+++ b/mysql-test/r/mysqlcheck.result
@@ -57,4 +57,17 @@ drop view v_bug25347;
 drop table t_bug25347;
 drop database d_bug25347;
 use test;
+create view v1 as select * from information_schema.routines;
+check table v1, information_schema.routines;
+Table	Op	Msg_type	Msg_text
+test.v1	check	status	OK
+information_schema.routines	check	note	The storage engine for the table doesn't support check
+drop view v1;
+CREATE TABLE t1(a INT);
+CREATE TABLE t2(a INT);
+test.t1
+Error    : Incorrect information in file: './test/t1.frm'
+error    : Corrupt
+test.t2                                            OK
+DROP TABLE t1, t2;
 End of 5.0 tests
diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result
index c5bae840214..6eeb652e3c1 100644
--- a/mysql-test/r/subselect.result
+++ b/mysql-test/r/subselect.result
@@ -4407,4 +4407,19 @@ pk	a
 3	30
 2	20
 DROP TABLE t1,t2;
+CREATE TABLE t1 (s1 char(1));
+INSERT INTO t1 VALUES ('a');
+SELECT * FROM t1 WHERE _utf8'a' = ANY (SELECT s1 FROM t1);
+s1
+a
+DROP TABLE t1;
+CREATE TABLE t1(id BIGINT);
+CREATE TABLE t2(id1 BIGINT, id2 BIGINT);
+INSERT INTO t1 VALUES (1),(2),(3);
+INSERT INTO t2 VALUES (2,1),(3,1);
+SELECT * FROM t1 i WHERE 1 IN (SELECT l.id2 FROM t2 l WHERE i.id=l.id1);
+id
+2
+3
+DROP TABLE t1, t2;
 End of 5.0 tests.
diff --git a/mysql-test/r/type_newdecimal.result b/mysql-test/r/type_newdecimal.result
index 1bb07534a7f..90b6f524692 100644
--- a/mysql-test/r/type_newdecimal.result
+++ b/mysql-test/r/type_newdecimal.result
@@ -1524,4 +1524,19 @@ select (1.20396873 * 0.89550000 * 0.68000000 * 1.08721696 * 0.99500000 *
 (1.20396873 * 0.89550000 * 0.68000000 * 1.08721696 * 0.99500000 *
 1.01500000 * 1.01500000 * 0.99500000)
 0.812988073953673124592306939480
+create table t1 as select 5.05 / 0.014;
+Warnings:
+Note	1265	Data truncated for column '5.05 / 0.014' at row 1
+show warnings;
+Level	Code	Message
+Note	1265	Data truncated for column '5.05 / 0.014' at row 1
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `5.05 / 0.014` decimal(10,6) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+select * from t1;
+5.05 / 0.014
+360.714286
+DROP TABLE t1;
 End of 5.0 tests
diff --git a/mysql-test/t/ctype_utf8.test b/mysql-test/t/ctype_utf8.test
index d184200ad5a..5111660bcbe 100644
--- a/mysql-test/t/ctype_utf8.test
+++ b/mysql-test/t/ctype_utf8.test
@@ -1437,3 +1437,20 @@ select hex(_utf8 X'616263FF');
 select hex(_utf8 B'001111111111');
 --error ER_INVALID_CHARACTER_STRING
 select (_utf8 X'616263FF');
+
+#
+# Bug #36772: When using UTF8, CONVERT with GROUP BY returns truncated results
+#
+CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL);
+INSERT INTO t1 VALUES (70000, 1092), (70001, 1085), (70002, 1065);
+SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
+SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1;
+ALTER TABLE t1 ADD UNIQUE (b);
+SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
+DROP INDEX b ON t1;
+SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
+ALTER TABLE t1 ADD INDEX (b);
+SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) from t1 GROUP BY b;
+DROP TABLE t1;
+
+--echo End of 5.0 tests
diff --git a/mysql-test/t/federated.test b/mysql-test/t/federated.test
index 8bbb87ccd9c..c977cb65fa0 100644
--- a/mysql-test/t/federated.test
+++ b/mysql-test/t/federated.test
@@ -1824,6 +1824,25 @@ DROP TABLE t1;
 connection master;
 DROP TABLE t1;
 
+
+#
+# Bug #34774    key prefix on text field in federated tables can cause
+# server to crash!
+#
+connection slave;
+CREATE TABLE t1 (a TEXT, b TEXT, KEY(b(1)));
+INSERT INTO t1 VALUES (NULL, NULL), (NULL, NULL), (NULL, NULL), (NULL, NULL);
+connection master;
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval CREATE TABLE t1
+  (a TEXT, b TEXT, KEY(b(1))) ENGINE=FEDERATED
+  CONNECTION='mysql://root@127.0.0.1:$SLAVE_MYPORT/test/t1';
+SELECT t1.a FROM t1, t1 as t2 WHERE t2.b NOT LIKE t1.b;
+connection slave;
+DROP TABLE t1;
+connection master;
+DROP TABLE t1;
+
 connection default;
 
 --echo End of 5.0 tests
diff --git a/mysql-test/t/federated_innodb.test b/mysql-test/t/federated_innodb.test
index 772e37a2929..0617cb15d97 100644
--- a/mysql-test/t/federated_innodb.test
+++ b/mysql-test/t/federated_innodb.test
@@ -1,5 +1,10 @@
-source include/federated.inc;
+# NOTE:  Keep any include/ files that will kill / skip a test BEFORE any others
+# having federated.inc before have_innodb.inc allows for an orphaned database
+# that can cause other tests to fail.
+# See Bug #40645 Test main.federated_innodb does not always clean up after itself
+
 source include/have_innodb.inc;
+source include/federated.inc;
 
 #
 # Bug#25513 Federated transaction failures
diff --git a/mysql-test/t/fulltext.test b/mysql-test/t/fulltext.test
index e5f1db14b7f..fa087d89efb 100644
--- a/mysql-test/t/fulltext.test
+++ b/mysql-test/t/fulltext.test
@@ -396,3 +396,30 @@ SELECT * FROM t1 WHERE MATCH(a) AGAINST ('"aaaa"' IN BOOLEAN MODE);
 DROP TABLE t1;
 
 # End of 4.1 tests
+
+#
+# BUG#38842 - Fix for 25951 seems incorrect
+#
+CREATE TABLE t1 (a VARCHAR(255), b INT, FULLTEXT(a), KEY(b));
+INSERT INTO t1 VALUES('test', 1),('test', 1),('test', 1),('test', 1),
+                     ('test', 1),('test', 2),('test', 3),('test', 4);
+
+EXPLAIN SELECT * FROM t1
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+
+EXPLAIN SELECT * FROM t1 USE INDEX(a)
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+
+EXPLAIN SELECT * FROM t1 FORCE INDEX(a)
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+
+EXPLAIN SELECT * FROM t1 IGNORE INDEX(a)
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+
+EXPLAIN SELECT * FROM t1 USE INDEX(b)
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+
+EXPLAIN SELECT * FROM t1 FORCE INDEX(b)
+WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
+
+DROP TABLE t1;
diff --git a/mysql-test/t/func_group.test b/mysql-test/t/func_group.test
index dbe6d3113d5..38779ac1a2f 100644
--- a/mysql-test/t/func_group.test
+++ b/mysql-test/t/func_group.test
@@ -926,5 +926,34 @@ SELECT AVG(a), CAST(AVG(a) AS DECIMAL) FROM t1;
 
 DROP TABLE t1;
 
+#
+# Bug #39656: Behaviour different for agg functions with & without where -
+# ONLY_FULL_GROUP_BY
+#
+
+CREATE TABLE t1 (a INT, b INT);
+INSERT INTO t1 VALUES (1,1), (1,2), (1,3);
+
+SET SQL_MODE='ONLY_FULL_GROUP_BY';
+
+SELECT COUNT(*) FROM t1;
+SELECT COUNT(*) FROM t1 where a=1;
+
+--error ER_MIX_OF_GROUP_FUNC_AND_FIELDS
+SELECT COUNT(*),a FROM t1;
+
+SELECT COUNT(*) FROM t1 a JOIN t1 b ON a.a= b.a;
+
+--error ER_MIX_OF_GROUP_FUNC_AND_FIELDS
+SELECT COUNT(*), (SELECT count(*) FROM t1 inr WHERE inr.a = outr.a) 
+  FROM t1 outr;
+
+SELECT COUNT(*) FROM t1 a JOIN t1 outr 
+  ON a.a= (SELECT count(*) FROM t1 inr WHERE inr.a = outr.a);
+
+SET SQL_MODE=default;
+DROP TABLE t1;
+
+
 ###
 --echo End of 5.0 tests
diff --git a/mysql-test/t/mysqlcheck.test b/mysql-test/t/mysqlcheck.test
index 8d5e1a1c4c5..91006d280a8 100644
--- a/mysql-test/t/mysqlcheck.test
+++ b/mysql-test/t/mysqlcheck.test
@@ -58,4 +58,31 @@ drop table t_bug25347;
 drop database d_bug25347;
 use test;
 
+#
+# Bug#39541 CHECK TABLE on information_schema myisam tables produces error
+#
+create view v1 as select * from information_schema.routines;
+check table v1, information_schema.routines;
+drop view v1;
+
+
+#
+# Bug#37527: mysqlcheck fails to report entire database 
+# when frm file corruption
+#
+CREATE TABLE t1(a INT);
+CREATE TABLE t2(a INT);
+# backup then null t1.frm
+--copy_file $MYSQLTEST_VARDIR/master-data/test/t1.frm $MYSQLTEST_VARDIR/master-data/test/t1.frm.bak
+--remove_file $MYSQLTEST_VARDIR/master-data/test/t1.frm
+--write_file $MYSQLTEST_VARDIR/master-data/test/t1.frm
+EOF
+--exec $MYSQL_CHECK test
+# restore t1.frm
+--remove_file $MYSQLTEST_VARDIR/master-data/test/t1.frm
+--copy_file $MYSQLTEST_VARDIR/master-data/test/t1.frm.bak $MYSQLTEST_VARDIR/master-data/test/t1.frm
+--remove_file $MYSQLTEST_VARDIR/master-data/test/t1.frm.bak
+DROP TABLE t1, t2;
+
+
 --echo End of 5.0 tests
diff --git a/mysql-test/t/subselect.test b/mysql-test/t/subselect.test
index 2dfad2c58dd..d28e31fb545 100644
--- a/mysql-test/t/subselect.test
+++ b/mysql-test/t/subselect.test
@@ -3307,5 +3307,22 @@ SELECT * FROM t1
    WHERE EXISTS (SELECT DISTINCT a FROM t2 WHERE t1.a < t2.a ORDER BY b);
 DROP TABLE t1,t2;
 
---echo End of 5.0 tests.
+#
+# Bug#20835 (literal string with =any values)
+#
+CREATE TABLE t1 (s1 char(1));
+INSERT INTO t1 VALUES ('a');
+SELECT * FROM t1 WHERE _utf8'a' = ANY (SELECT s1 FROM t1);
+DROP TABLE t1;
 
+#
+# Bug#40519 Subselect query using bigint fails
+#
+CREATE TABLE t1(id BIGINT);
+CREATE TABLE t2(id1 BIGINT, id2 BIGINT);
+INSERT INTO t1 VALUES (1),(2),(3);
+INSERT INTO t2 VALUES (2,1),(3,1);
+SELECT * FROM t1 i WHERE 1 IN (SELECT l.id2 FROM t2 l WHERE i.id=l.id1);
+DROP TABLE t1, t2;
+
+--echo End of 5.0 tests.
diff --git a/mysql-test/t/type_newdecimal.test b/mysql-test/t/type_newdecimal.test
index c44abdb144e..a5331582df6 100644
--- a/mysql-test/t/type_newdecimal.test
+++ b/mysql-test/t/type_newdecimal.test
@@ -1225,4 +1225,14 @@ DROP TABLE t1;
 select (1.20396873 * 0.89550000 * 0.68000000 * 1.08721696 * 0.99500000 *
         1.01500000 * 1.01500000 * 0.99500000);
 
+#
+# Bug #31616 div_precision_increment description looks wrong 
+#
+
+create table t1 as select 5.05 / 0.014;
+show warnings;
+show create table t1;
+select * from t1;
+DROP TABLE t1;
+
 --echo End of 5.0 tests
diff --git a/sql/ha_federated.cc b/sql/ha_federated.cc
index b4788dd9c87..d4144a41a2a 100644
--- a/sql/ha_federated.cc
+++ b/sql/ha_federated.cc
@@ -1320,6 +1320,14 @@ static FEDERATED_SHARE *get_share(const char *table_name, TABLE *table)
     thr_lock_init(&share->lock);
     pthread_mutex_init(&share->mutex, MY_MUTEX_INIT_FAST);
   }
+  else
+  {
+    /* 
+      Free tmp_share.scheme allocated in the parse_url()
+      as we found share in the hash and tmp_share isn't needed anymore. 
+    */
+    my_free((gptr) tmp_share.scheme, MYF(MY_ALLOW_ZERO_PTR));
+  }
   share->use_count++;
   pthread_mutex_unlock(&federated_mutex);
 
diff --git a/sql/handler.cc b/sql/handler.cc
index 67ec5f3e759..71d184ad84b 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -1957,8 +1957,53 @@ bool handler::get_error_message(int error, String* buf)
 }
 
 
+/**
+  Check for incompatible collation changes.
+   
+  @retval
+    HA_ADMIN_NEEDS_UPGRADE   Table may have data requiring upgrade.
+  @retval
+    0                        No upgrade required.
+*/
+
+int handler::check_collation_compatibility()
+{
+  ulong mysql_version= table->s->mysql_version;
+
+  if (mysql_version < 50048)
+  {
+    KEY *key= table->key_info;
+    KEY *key_end= key + table->s->keys;
+    for (; key < key_end; key++)
+    {
+      KEY_PART_INFO *key_part= key->key_part;
+      KEY_PART_INFO *key_part_end= key_part + key->key_parts;
+      for (; key_part < key_part_end; key_part++)
+      {
+        if (!key_part->fieldnr)
+          continue;
+        Field *field= table->field[key_part->fieldnr - 1];
+        uint cs_number= field->charset()->number;
+        if (mysql_version < 50048 &&
+            (cs_number == 11 || /* ascii_general_ci - bug #29499, bug #27562 */
+             cs_number == 41 || /* latin7_general_ci - bug #29461 */
+             cs_number == 42 || /* latin7_general_cs - bug #29461 */
+             cs_number == 20 || /* latin7_estonian_cs - bug #29461 */
+             cs_number == 21 || /* latin2_hungarian_ci - bug #29461 */
+             cs_number == 22 || /* koi8u_general_ci - bug #29461 */
+             cs_number == 23 || /* cp1251_ukrainian_ci - bug #29461 */
+             cs_number == 26))  /* cp1250_general_ci - bug #29461 */
+          return HA_ADMIN_NEEDS_UPGRADE;
+      }  
+    }  
+  }  
+  return 0;
+}
+
+
 int handler::ha_check_for_upgrade(HA_CHECK_OPT *check_opt)
 {
+  int error;
   KEY *keyinfo, *keyend;
   KEY_PART_INFO *keypart, *keypartend;
 
@@ -1987,6 +2032,10 @@ int handler::ha_check_for_upgrade(HA_CHECK_OPT *check_opt)
   }
   if (table->s->frm_version != FRM_VER_TRUE_VARCHAR)
     return HA_ADMIN_NEEDS_ALTER;
+
+  if ((error= check_collation_compatibility()))
+      return error;
+
   return check_for_upgrade(check_opt);
 }
 
diff --git a/sql/handler.h b/sql/handler.h
index aa3377c3868..8706aae5fce 100644
--- a/sql/handler.h
+++ b/sql/handler.h
@@ -787,6 +787,7 @@ protected:
   virtual int check_for_upgrade(HA_CHECK_OPT *check_opt)
   { return 0; }
 public:
+  int check_collation_compatibility();
   int ha_check_for_upgrade(HA_CHECK_OPT *check_opt);
   int check_old_types();
   /* to be actually called to get 'check()' functionality*/
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc
index 0410c781590..4bfae376acc 100644
--- a/sql/item_cmpfunc.cc
+++ b/sql/item_cmpfunc.cc
@@ -1434,7 +1434,8 @@ bool Item_in_optimizer::fix_left(THD *thd, Item **ref)
   }
   not_null_tables_cache= args[0]->not_null_tables();
   with_sum_func= args[0]->with_sum_func;
-  const_item_cache= args[0]->const_item();
+  if ((const_item_cache= args[0]->const_item()))
+    cache->store(args[0]);
   return 0;
 }
 
diff --git a/sql/item_func.cc b/sql/item_func.cc
index e663e1fcf83..45aa8e9bea0 100644
--- a/sql/item_func.cc
+++ b/sql/item_func.cc
@@ -1316,8 +1316,10 @@ my_decimal *Item_func_div::decimal_op(my_decimal *decimal_value)
 
 void Item_func_div::result_precision()
 {
-  uint arg_prec= args[0]->decimal_precision() + prec_increment;
-  uint precision=min(arg_prec, DECIMAL_MAX_PRECISION);
+  uint precision=min(args[0]->decimal_precision() + 
+                     args[1]->decimals + prec_increment,
+                     DECIMAL_MAX_PRECISION);
+
   /* Integer operations keep unsigned_flag if one of arguments is unsigned */
   if (result_type() == INT_RESULT)
     unsigned_flag= args[0]->unsigned_flag | args[1]->unsigned_flag;
@@ -5022,7 +5024,9 @@ bool Item_func_match::fix_index()
   for (keynr=0 ; keynr < table->s->keys ; keynr++)
   {
     if ((table->key_info[keynr].flags & HA_FULLTEXT) &&
-        (table->s->keys_in_use.is_set(keynr)))
+        (flags & FT_BOOL ? table->keys_in_use_for_query.is_set(keynr) :
+                           table->s->keys_in_use.is_set(keynr)))
+
     {
       ft_to_key[fts]=keynr;
       ft_cnt[fts]=0;
diff --git a/sql/item_timefunc.cc b/sql/item_timefunc.cc
index 0cb3c963dad..e9e92952908 100644
--- a/sql/item_timefunc.cc
+++ b/sql/item_timefunc.cc
@@ -2550,6 +2550,8 @@ void Item_char_typecast::fix_length_and_dec()
        and thus avoid unnecessary character set conversion.
      - If the argument is not a number, then from_cs is set to
        the argument's charset.
+
+       Note (TODO): we could use repertoire technique here.
   */
   from_cs= (args[0]->result_type() == INT_RESULT || 
             args[0]->result_type() == DECIMAL_RESULT ||
@@ -2557,12 +2559,13 @@ void Item_char_typecast::fix_length_and_dec()
            (cast_cs->mbminlen == 1 ? cast_cs : &my_charset_latin1) :
            args[0]->collation.collation;
   charset_conversion= (cast_cs->mbmaxlen > 1) ||
-                      !my_charset_same(from_cs, cast_cs) &&
-                      from_cs != &my_charset_bin &&
-                      cast_cs != &my_charset_bin;
+                      (!my_charset_same(from_cs, cast_cs) &&
+                       from_cs != &my_charset_bin &&
+                       cast_cs != &my_charset_bin);
   collation.set(cast_cs, DERIVATION_IMPLICIT);
-  char_length= (cast_length >= 0) ? cast_length : 
-	       args[0]->max_length/from_cs->mbmaxlen;
+  char_length= (cast_length >= 0) ?
+                 cast_length :
+                 args[0]->max_length / args[0]->collation.collation->mbmaxlen;
   max_length= char_length * cast_cs->mbmaxlen;
 }
 
diff --git a/sql/parse_file.cc b/sql/parse_file.cc
index 2b947fcac4f..ade0709cf0d 100644
--- a/sql/parse_file.cc
+++ b/sql/parse_file.cc
@@ -88,7 +88,6 @@ write_escaped_string(IO_CACHE *file, LEX_STRING *val_s)
     file	pointer to IO_CACHE structure for writing
     base	pointer to data structure
     parameter	pointer to parameter descriptor
-    old_version	for returning back old version number value
 
   RETURN
     FALSE - OK
@@ -96,8 +95,7 @@ write_escaped_string(IO_CACHE *file, LEX_STRING *val_s)
 */
 
 static my_bool
-write_parameter(IO_CACHE *file, gptr base, File_option *parameter,
-		ulonglong *old_version)
+write_parameter(IO_CACHE *file, gptr base, File_option *parameter)
 {
   char num_buf[20];			// buffer for numeric operations
   // string for numeric operations
@@ -125,15 +123,6 @@ write_parameter(IO_CACHE *file, gptr base, File_option *parameter,
       DBUG_RETURN(TRUE);
     break;
   }
-  case FILE_OPTIONS_REV:
-  {
-    ulonglong *val_i= (ulonglong *)(base + parameter->offset);
-    *old_version= (*val_i)++;
-    num.set(*val_i, &my_charset_bin);
-    if (my_b_append(file, (const byte *)num.ptr(), num.length()))
-      DBUG_RETURN(TRUE);
-    break;
-  }
   case FILE_OPTIONS_TIMESTAMP:
   {
     /* string have to be allocated already */
@@ -205,7 +194,6 @@ write_parameter(IO_CACHE *file, gptr base, File_option *parameter,
     base		base address for parameter reading (structure like
 			TABLE)
     parameters		parameters description
-    max_versions	number of versions to save
 
   RETURN
     FALSE - OK
@@ -215,13 +203,11 @@ write_parameter(IO_CACHE *file, gptr base, File_option *parameter,
 my_bool
 sql_create_definition_file(const LEX_STRING *dir, const LEX_STRING *file_name,
 			   const LEX_STRING *type,
-			   gptr base, File_option *parameters,
-			   uint max_versions)
+			   gptr base, File_option *parameters)
 {
   File handler;
   IO_CACHE file;
   char path[FN_REFLEN+1];	// +1 to put temporary file name for sure
-  ulonglong old_version= ULONGLONG_MAX;
   int path_end;
   File_option *param;
   DBUG_ENTER("sql_create_definition_file");
@@ -255,7 +241,7 @@ sql_create_definition_file(const LEX_STRING *dir, const LEX_STRING *file_name,
     if (my_b_append(&file, (const byte *)param->name.str,
                     param->name.length) ||
 	my_b_append(&file, (const byte *)STRING_WITH_LEN("=")) ||
-	write_parameter(&file, base, param, &old_version) ||
+	write_parameter(&file, base, param) ||
 	my_b_append(&file, (const byte *)STRING_WITH_LEN("\n")))
       goto err_w_cache;
   }
@@ -269,55 +255,6 @@ sql_create_definition_file(const LEX_STRING *dir, const LEX_STRING *file_name,
   }
 
   path[path_end]='\0';
-#ifdef FRM_ARCHIVE
-  // archive copies management: disabled unused feature (see bug #17823).
-  if (!access(path, F_OK))
-  {
-    if (old_version != ULONGLONG_MAX && max_versions != 0)
-    {
-      // save backup
-      char path_arc[FN_REFLEN];
-      // backup old version
-      char path_to[FN_REFLEN];
-
-      // check archive directory existence
-      fn_format(path_arc, "arc", dir->str, "", MY_UNPACK_FILENAME);
-      if (access(path_arc, F_OK))
-      {
-	if (my_mkdir(path_arc, 0777, MYF(MY_WME)))
-	{
-	  DBUG_RETURN(TRUE);
-	}
-      }
-
-      my_snprintf(path_to, FN_REFLEN, "%s/%s-%04lu",
-		  path_arc, file_name->str, (ulong) old_version);
-      if (my_rename(path, path_to, MYF(MY_WME)))
-      {
-	DBUG_RETURN(TRUE);
-      }
-
-      // remove very old version
-      if (old_version > max_versions)
-      {
-	my_snprintf(path_to, FN_REFLEN, "%s/%s-%04lu",
-		    path_arc, file_name->str,
-		    (ulong)(old_version - max_versions));
-	if (!access(path_arc, F_OK) && my_delete(path_to, MYF(MY_WME)))
-	{
-	  DBUG_RETURN(TRUE);
-	}
-      }
-    }
-    else
-    {
-      if (my_delete(path, MYF(MY_WME)))	// no backups
-      {
-	DBUG_RETURN(TRUE);
-      }
-    }
-  }
-#endif//FRM_ARCHIVE
 
   {
     // rename temporary file
@@ -346,8 +283,6 @@ err_w_file:
     schema            name of given schema           
     old_name          original file name
     new_name          new file name
-    revision          revision number
-    num_view_backups  number of backups
 
   RETURN
     0 - OK 
@@ -356,8 +291,7 @@ err_w_file:
 */
 my_bool rename_in_schema_file(THD *thd,
                               const char *schema, const char *old_name, 
-                              const char *new_name, ulonglong revision, 
-                              uint num_view_backups)
+                              const char *new_name)
 {
   char old_path[FN_REFLEN], new_path[FN_REFLEN], arc_path[FN_REFLEN];
 
@@ -376,23 +310,6 @@ my_bool rename_in_schema_file(THD *thd,
   strxnmov(arc_path, FN_REFLEN, mysql_data_home, "/", schema, "/arc", NullS);
   (void) unpack_filename(arc_path, arc_path);
   
-#ifdef FRM_ARCHIVE
-  if (revision > 0 && !access(arc_path, F_OK))
-  {
-    ulonglong limit= ((revision > num_view_backups) ?
-                      revision - num_view_backups : 0);
-    for (; revision > limit ; revision--)
-    {
-      my_snprintf(old_path, FN_REFLEN, "%s/%s%s-%04lu",
-		  arc_path, old_name, reg_ext, (ulong)revision);
-      (void) unpack_filename(old_path, old_path);
-      my_snprintf(new_path, FN_REFLEN, "%s/%s%s-%04lu",
-		  arc_path, new_name, reg_ext, (ulong)revision);
-      (void) unpack_filename(new_path, new_path);
-      my_rename(old_path, new_path, MYF(0));
-    }
-  }
-#else//FRM_ARCHIVE
   { // remove obsolete 'arc' directory and files if any
     MY_DIR *new_dirp;
     if ((new_dirp = my_dir(arc_path, MYF(MY_DONT_SORT))))
@@ -401,7 +318,6 @@ my_bool rename_in_schema_file(THD *thd,
       (void) mysql_rm_arc_files(thd, new_dirp, arc_path);
     }
   }
-#endif//FRM_ARCHIVE
   return 0;
 }
 
@@ -838,7 +754,6 @@ File_parser::parse(gptr base, MEM_ROOT *mem_root,
 	  break;
 	}
 	case FILE_OPTIONS_ULONGLONG:
-	case FILE_OPTIONS_REV:
 	  if (!(eol= strchr(ptr, '\n')))
 	  {
 	    my_error(ER_FPARSER_ERROR_IN_PARAMETER, MYF(0),
diff --git a/sql/parse_file.h b/sql/parse_file.h
index ec920b58667..ad7d1629e0a 100644
--- a/sql/parse_file.h
+++ b/sql/parse_file.h
@@ -23,7 +23,6 @@ enum file_opt_type {
   FILE_OPTIONS_STRING,		/* String (LEX_STRING) */
   FILE_OPTIONS_ESTRING,		/* Escaped string (LEX_STRING) */
   FILE_OPTIONS_ULONGLONG,	/* ulonglong parameter (ulonglong) */
-  FILE_OPTIONS_REV,		/* Revision version number (ulonglong) */
   FILE_OPTIONS_TIMESTAMP,	/* timestamp (LEX_STRING have to be
 				   allocated with length 20 (19+1) */
   FILE_OPTIONS_STRLIST,         /* list of escaped strings
@@ -81,11 +80,10 @@ File_parser *sql_parse_prepare(const LEX_STRING *file_name,
 my_bool
 sql_create_definition_file(const LEX_STRING *dir, const  LEX_STRING *file_name,
 			   const LEX_STRING *type,
-			   gptr base, File_option *parameters, uint versions);
+			   gptr base, File_option *parameters);
 my_bool rename_in_schema_file(THD *thd,
                               const char *schema, const char *old_name,
-                              const char *new_name, ulonglong revision,
-                              uint num_view_backups);
+                              const char *new_name);
 
 class File_parser: public Sql_alloc
 {
diff --git a/sql/sql_db.cc b/sql/sql_db.cc
index 8fbb407555a..c3cf7429222 100644
--- a/sql/sql_db.cc
+++ b/sql/sql_db.cc
@@ -909,7 +909,6 @@ static long mysql_rm_known_files(THD *thd, MY_DIR *dirp, const char *db,
       /* .frm archive:
         Those archives are obsolete, but following code should
         exist to remove existent "arc" directories.
-        See #ifdef FRM_ARCHIVE directives for obsolete code.
       */
       char newpath[FN_REFLEN];
       MY_DIR *new_dirp;
@@ -1069,7 +1068,6 @@ static my_bool rm_dir_w_symlink(const char *org_path, my_bool send_error)
   NOTE
     A support of "arc" directories is obsolete, however this
     function should exist to remove existent "arc" directories.
-    See #ifdef FRM_ARCHIVE directives for obsolete code.
 */
 long mysql_rm_arc_files(THD *thd, MY_DIR *dirp, const char *org_path)
 {
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 428d1709f94..2ac33c4e07f 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -390,11 +390,21 @@ inline int setup_without_group(THD *thd, Item **ref_pointer_array,
 {
   int res;
   nesting_map save_allow_sum_func=thd->lex->allow_sum_func ;
+  /* 
+    Need to save the value, so we can turn off only the new NON_AGG_FIELD
+    additions coming from the WHERE
+  */
+  uint8 saved_flag= thd->lex->current_select->full_group_by_flag;
   DBUG_ENTER("setup_without_group");
 
   thd->lex->allow_sum_func&= ~(1 << thd->lex->current_select->nest_level);
   res= setup_conds(thd, tables, leaves, conds);
 
+  /* it's not wrong to have non-aggregated columns in a WHERE */
+  if (thd->variables.sql_mode & MODE_ONLY_FULL_GROUP_BY)
+    thd->lex->current_select->full_group_by_flag= saved_flag |
+      (thd->lex->current_select->full_group_by_flag & ~NON_AGG_FIELD_USED);
+
   thd->lex->allow_sum_func|= 1 << thd->lex->current_select->nest_level;
   res= res || setup_order(thd, ref_pointer_array, tables, fields, all_fields,
                           order);
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 1724513eb8f..8baeca9ccf7 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -2322,6 +2322,12 @@ static bool mysql_admin_table(THD* thd, TABLE_LIST* tables,
       goto send_result;
     }
 
+    if (table->schema_table)
+    {
+      result_code= HA_ADMIN_NOT_IMPLEMENTED;
+      goto send_result;
+    }
+
     if ((table->table->db_stat & HA_READ_ONLY) && open_for_modify)
     {
       char buff[FN_REFLEN + MYSQL_ERRMSG_SIZE];
diff --git a/sql/sql_trigger.cc b/sql/sql_trigger.cc
index bead50e1da8..d3b5289cd68 100644
--- a/sql/sql_trigger.cc
+++ b/sql/sql_trigger.cc
@@ -479,7 +479,7 @@ bool Table_triggers_list::create_trigger(THD *thd, TABLE_LIST *tables,
   trigname.trigger_table.length= tables->table_name_length;
 
   if (sql_create_definition_file(&dir, &trigname_file, &trigname_file_type,
-                                 (gptr)&trigname, trigname_file_parameters, 0))
+                                 (gptr)&trigname, trigname_file_parameters))
     return 1;
 
   /*
@@ -569,7 +569,7 @@ bool Table_triggers_list::create_trigger(THD *thd, TABLE_LIST *tables,
   /* Create trigger definition file. */
 
   if (!sql_create_definition_file(&dir, &file, &triggers_file_type,
-                                  (gptr)this, triggers_file_parameters, 0))
+                                  (gptr)this, triggers_file_parameters))
     return 0;
 
 err_with_cleanup:
@@ -656,7 +656,7 @@ static bool save_trigger_file(Table_triggers_list *triggers, const char *db,
   file.str= file_buff;
 
   return sql_create_definition_file(&dir, &file, &triggers_file_type,
-                                    (gptr)triggers, triggers_file_parameters, 0);
+                                    (gptr)triggers, triggers_file_parameters);
 }
 
 
@@ -1427,7 +1427,7 @@ Table_triggers_list::change_table_name_in_trignames(const char *db_name,
     trigname.trigger_table= *new_table_name;
 
     if (sql_create_definition_file(&dir, &trigname_file, &trigname_file_type,
-        (gptr)&trigname, trigname_file_parameters, 0))
+        (gptr)&trigname, trigname_file_parameters))
       return trigger;
   }
 
diff --git a/sql/sql_view.cc b/sql/sql_view.cc
index 8e6d3ed583a..f65a62bed75 100644
--- a/sql/sql_view.cc
+++ b/sql/sql_view.cc
@@ -660,7 +660,7 @@ bool mysql_create_view(THD *thd, TABLE_LIST *views,
   }
 
   VOID(pthread_mutex_unlock(&LOCK_open));
-  if (view->revision != 1)
+  if (mode != VIEW_CREATE_NEW)
     query_cache_invalidate3(thd, view, 0);
   start_waiting_global_read_lock(thd);
   if (res)
@@ -678,12 +678,8 @@ err:
 }
 
 
-/* index of revision number in following table */
-static const int revision_number_position= 8;
-/* index of last required parameter for making view */
-static const int required_view_parameters= 10;
-/* number of backups */
-static const int num_view_backups= 3;
+/* number of required parameters for making view */
+static const int required_view_parameters= 9;
 
 /*
   table of VIEW .frm field descriptors
@@ -716,9 +712,6 @@ static File_option view_parameters[]=
  {{(char*) STRING_WITH_LEN("with_check_option")},
   my_offsetof(TABLE_LIST, with_check),
   FILE_OPTIONS_ULONGLONG},
- {{(char*) STRING_WITH_LEN("revision")},
-  my_offsetof(TABLE_LIST, revision),
-  FILE_OPTIONS_REV},
  {{(char*) STRING_WITH_LEN("timestamp")},
   my_offsetof(TABLE_LIST, timestamp),
   FILE_OPTIONS_TIMESTAMP},
@@ -880,18 +873,9 @@ loop_out:
       }
 
       /*
-        read revision number
-
         TODO: read dependence list, too, to process cascade/restrict
         TODO: special cascade/restrict procedure for alter?
       */
-      if (parser->parse((gptr)view, thd->mem_root,
-                        view_parameters + revision_number_position, 1,
-                        &file_parser_dummy_hook))
-      {
-        error= thd->net.report_error? -1 : 0;
-        goto err;
-      }
     }
     else
    {
@@ -933,7 +917,7 @@ loop_out:
   }
 
   if (sql_create_definition_file(&dir, &file, view_file_type,
-				 (gptr)view, view_parameters, num_view_backups))
+				 (gptr)view, view_parameters))
   {
     error= thd->net.report_error? -1 : 1;
     goto err;
@@ -1868,8 +1852,7 @@ mysql_rename_view(THD *thd,
       goto err;
 
     /* rename view and it's backups */
-    if (rename_in_schema_file(thd, view->db, view->table_name, new_name, 
-                              view_def.revision - 1, num_view_backups))
+    if (rename_in_schema_file(thd, view->db, view->table_name, new_name))
       goto err;
 
     strxnmov(dir_buff, FN_REFLEN, mysql_data_home, "/", view->db, "/", NullS);
@@ -1883,12 +1866,10 @@ mysql_rename_view(THD *thd,
                   - file_buff);
 
     if (sql_create_definition_file(&pathstr, &file, view_file_type,
-                                   (gptr)&view_def, view_parameters,
-                                   num_view_backups)) 
+                                   (gptr)&view_def, view_parameters))
     {
       /* restore renamed view in case of error */
-      rename_in_schema_file(thd, view->db, new_name, view->table_name, 
-                            view_def.revision - 1, num_view_backups);
+      rename_in_schema_file(thd, view->db, new_name, view->table_name);
       goto err;
     }
   } else
diff --git a/sql/table.h b/sql/table.h
index 08326e2fbe0..0884f5ba3d2 100644
--- a/sql/table.h
+++ b/sql/table.h
@@ -657,7 +657,6 @@ struct TABLE_LIST
   st_lex_user   definer;                /* definer of view */
   ulonglong	file_version;		/* version of file's field set */
   ulonglong     updatable_view;         /* VIEW can be updated */
-  ulonglong	revision;		/* revision control number */
   ulonglong	algorithm;		/* 0 any, 1 tmp tables , 2 merging */
   ulonglong     view_suid;              /* view is suid (TRUE dy default) */
   ulonglong     with_check;             /* WITH CHECK OPTION */