Merge gleb.loc:/home/uchum/work/bk/5.0-opt

into  gleb.loc:/home/uchum/work/bk/5.1-opt

mysql-test/r/create.result

@@ -1516,23 +1516,6 @@ t1	CREATE TABLE `t1` (
   `c17` int(11) DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
-CREATE DATABASE db1;
-CREATE DATABASE db2;
-USE db2;
-INSERT INTO db2.t1 VALUES (1);
-SELECT * FROM db2.t1;
-b
-1
-RESET QUERY CACHE;
-USE db1;
-SET SESSION keep_files_on_create = TRUE;
-CREATE TABLE t1 (a INT) ENGINE MYISAM;
-ERROR HY000: Can't create/write to file './db1/t1.MYD' (Errcode: 17)
-SET SESSION keep_files_on_create = DEFAULT;
-DROP TABLE db2.t1;
-DROP DATABASE db1;
-DROP DATABASE db2;
-USE test;
 End of 5.0 tests
 CREATE TABLE t1 (a int, b int);
 insert into t1 values (1,1),(1,2);

mysql-test/r/join_nested.result

@@ -1632,4 +1632,115 @@ INSERT INTO t3 VALUES (1,1);
 SELECT * FROM t1 JOIN (t2 JOIN t3 USING (b)) USING (a);
 ERROR 23000: Column 'a' in from clause is ambiguous
 DROP TABLE t1,t2,t3;
+CREATE TABLE t1 (
+carrier char(2) default NULL,
+id int NOT NULL auto_increment PRIMARY KEY
+);
+INSERT INTO t1 VALUES
+('CO',235371754),('CO',235376554),('CO',235376884),('CO',235377874),
+('CO',231060394),('CO',231059224),('CO',231059314),('CO',231060484),
+('CO',231060274),('CO',231060124),('CO',231060244),('CO',231058594),
+('CO',231058924),('CO',231058504),('CO',231059344),('CO',231060424),
+('CO',231059554),('CO',231060304),('CO',231059644),('CO',231059464),
+('CO',231059764),('CO',231058294),('CO',231058624),('CO',231058864),
+('CO',231059374),('CO',231059584),('CO',231059734),('CO',231059014),
+('CO',231059854),('CO',231059494),('CO',231059794),('CO',231058534),
+('CO',231058324),('CO',231058684),('CO',231059524),('CO',231059974);
+CREATE TABLE t2 (
+scan_date date default NULL,
+package_id int default NULL,
+INDEX scan_date(scan_date),
+INDEX package_id(package_id)
+);
+INSERT INTO t2 VALUES
+('2008-12-29',231062944),('2008-12-29',231065764),('2008-12-29',231066124),
+('2008-12-29',231060094),('2008-12-29',231061054),('2008-12-29',231065644),
+('2008-12-29',231064384),('2008-12-29',231064444),('2008-12-29',231073774),
+('2008-12-29',231058594),('2008-12-29',231059374),('2008-12-29',231066004),
+('2008-12-29',231068494),('2008-12-29',231070174),('2008-12-29',231071884),
+('2008-12-29',231063274),('2008-12-29',231063754),('2008-12-29',231064144),
+('2008-12-29',231069424),('2008-12-29',231073714),('2008-12-29',231058414),
+('2008-12-29',231060994),('2008-12-29',231069154),('2008-12-29',231068614),
+('2008-12-29',231071464),('2008-12-29',231074014),('2008-12-29',231059614),
+('2008-12-29',231059074),('2008-12-29',231059464),('2008-12-29',231069094),
+('2008-12-29',231067294),('2008-12-29',231070144),('2008-12-29',231073804),
+('2008-12-29',231072634),('2008-12-29',231058294),('2008-12-29',231065344),
+('2008-12-29',231066094),('2008-12-29',231069034),('2008-12-29',231058594),
+('2008-12-29',231059854),('2008-12-29',231059884),('2008-12-29',231059914),
+('2008-12-29',231063664),('2008-12-29',231063814),('2008-12-29',231063904);
+CREATE TABLE t3 (
+package_id int default NULL,
+INDEX package_id(package_id)
+);
+INSERT INTO t3 VALUES
+(231058294),(231058324),(231058354),(231058384),(231058414),(231058444),
+(231058474),(231058504),(231058534),(231058564),(231058594),(231058624),
+(231058684),(231058744),(231058804),(231058864),(231058924),(231058954),
+(231059014),(231059074),(231059104),(231059134),(231059164),(231059194),
+(231059224),(231059254),(231059284),(231059314),(231059344),(231059374),
+(231059404),(231059434),(231059464),(231059494),(231059524),(231059554),
+(231059584),(231059614),(231059644),(231059674),(231059704),(231059734),
+(231059764),(231059794),(231059824),(231059854),(231059884),(231059914),
+(231059944),(231059974),(231060004),(231060034),(231060064),(231060094),
+(231060124),(231060154),(231060184),(231060214),(231060244),(231060274),
+(231060304),(231060334),(231060364),(231060394),(231060424),(231060454),
+(231060484),(231060514),(231060544),(231060574),(231060604),(231060634),
+(231060664),(231060694),(231060724),(231060754),(231060784),(231060814),
+(231060844),(231060874),(231060904),(231060934),(231060964),(231060994),
+(231061024),(231061054),(231061084),(231061144),(231061174),(231061204),
+(231061234),(231061294),(231061354),(231061384),(231061414),(231061474),
+(231061564),(231061594),(231061624),(231061684),(231061714),(231061774),
+(231061804),(231061894),(231061984),(231062074),(231062134),(231062224),
+(231062254),(231062314),(231062374),(231062434),(231062494),(231062554),
+(231062584),(231062614),(231062644),(231062704),(231062734),(231062794),
+(231062854),(231062884),(231062944),(231063004),(231063034),(231063064),
+(231063124),(231063154),(231063184),(231063214),(231063274),(231063334),
+(231063394),(231063424),(231063454),(231063514),(231063574),(231063664);
+CREATE TABLE t4 (
+carrier char(2) NOT NULL default '' PRIMARY KEY,
+id int(11) default NULL,
+INDEX id(id)
+);
+INSERT INTO t4 VALUES
+('99',6),('SK',456),('UA',486),('AI',1081),('OS',1111),('VS',1510);
+CREATE TABLE t5 (
+carrier_id int default NULL,
+INDEX carrier_id(carrier_id)
+);
+INSERT INTO t5 VALUES
+(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
+(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
+(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
+(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
+(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
+(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(456),(456),(456),
+(456),(456),(456),(456),(456),(456),(456),(456),(456),(456),(456),(456),
+(456),(486),(1081),(1111),(1111),(1111),(1111),(1510);
+SELECT COUNT(*) 
+FROM((t2 JOIN t1 ON t2.package_id = t1.id) 
+JOIN t3 ON t3.package_id = t1.id);
+COUNT(*)
+6
+EXPLAIN
+SELECT COUNT(*) 
+FROM ((t2 JOIN t1 ON t2.package_id = t1.id) 
+JOIN t3 ON t3.package_id = t1.id)
+LEFT JOIN 
+(t5 JOIN t4 ON t5.carrier_id = t4.id)
+ON t4.carrier = t1.carrier;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	index	package_id	package_id	5	NULL	45	Using index
+1	SIMPLE	t1	eq_ref	PRIMARY	PRIMARY	4	test.t2.package_id	1	
+1	SIMPLE	t4	eq_ref	PRIMARY,id	PRIMARY	2	test.t1.carrier	1	
+1	SIMPLE	t5	ref	carrier_id	carrier_id	5	test.t4.id	22	Using index
+1	SIMPLE	t3	ref	package_id	package_id	5	test.t1.id	1	Using where; Using index
+SELECT COUNT(*) 
+FROM ((t2 JOIN t1 ON t2.package_id = t1.id) 
+JOIN t3 ON t3.package_id = t1.id)
+LEFT JOIN 
+(t5 JOIN t4 ON t5.carrier_id = t4.id)
+ON t4.carrier = t1.carrier;
+COUNT(*)
+6
+DROP TABLE t1,t2,t3,t4,t5;
 End of 5.0 tests

mysql-test/r/symlink.result

@@ -133,4 +133,26 @@ a
 42
 drop table t1;
 End of 4.1 tests
+CREATE DATABASE db1;
+CREATE DATABASE db2;
+USE db2;
+INSERT INTO db2.t1 VALUES (1);
+SELECT * FROM db2.t1;
+b
+1
+RESET QUERY CACHE;
+USE db1;
+SET SESSION keep_files_on_create = TRUE;
+CREATE TABLE t1 (a INT) ENGINE MYISAM;
+ERROR HY000: Can't create/write to file './db1/t1.MYD' (Errcode: 17)
+CREATE TABLE t3 (a INT) Engine=MyISAM;
+INSERT INTO t3 VALUES (1),(2),(3);
+TRUNCATE TABLE t3;
+SELECT * from t3;
+a
+SET SESSION keep_files_on_create = DEFAULT;
+DROP TABLE db2.t1, db1.t3;
+DROP DATABASE db1;
+DROP DATABASE db2;
+USE test;
 End of 5.0 tests

mysql-test/r/type_enum.result

@@ -1809,4 +1809,24 @@ f1
 
 
 drop table t1;
+CREATE TABLE t1 (c1 ENUM('a', '', 'b'));
+INSERT INTO t1 (c1) VALUES ('b');
+INSERT INTO t1 (c1) VALUES ('');
+INSERT INTO t1 (c1) VALUES (0);
+Warnings:
+Warning	1265	Data truncated for column 'c1' at row 1
+INSERT INTO t1 (c1) VALUES ('');
+SELECT c1 + 0, COUNT(c1) FROM t1 GROUP BY c1;
+c1 + 0	COUNT(c1)
+0	1
+2	2
+3	1
+CREATE TABLE t2 SELECT * FROM t1;
+SELECT c1 + 0 FROM t2;
+c1 + 0
+3
+2
+0
+2
+DROP TABLE t1,t2;
 End of 5.1 tests

mysql-test/r/type_ranges.result

@@ -208,10 +208,6 @@ options	flags
 one	one
 drop table t2;
 create table t2 select * from t1;
-Warnings:
-Warning	1265	Data truncated for column 'options' at row 4
-Warning	1265	Data truncated for column 'options' at row 5
-Warning	1265	Data truncated for column 'options' at row 6
 update t2 set string="changed" where auto=16;
 show full columns from t1;
 Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment

mysql-test/r/type_time.result

@@ -85,3 +85,27 @@ sec_to_time(time_to_sec(t))
 13:00:00
 09:00:00
 drop table t1;
+select cast('100:55:50' as time) < cast('24:00:00' as time);
+cast('100:55:50' as time) < cast('24:00:00' as time)
+0
+select cast('100:55:50' as time) < cast('024:00:00' as time);
+cast('100:55:50' as time) < cast('024:00:00' as time)
+0
+select cast('300:55:50' as time) < cast('240:00:00' as time);
+cast('300:55:50' as time) < cast('240:00:00' as time)
+0
+select cast('100:55:50' as time) > cast('24:00:00' as time);
+cast('100:55:50' as time) > cast('24:00:00' as time)
+1
+select cast('100:55:50' as time) > cast('024:00:00' as time);
+cast('100:55:50' as time) > cast('024:00:00' as time)
+1
+select cast('300:55:50' as time) > cast('240:00:00' as time);
+cast('300:55:50' as time) > cast('240:00:00' as time)
+1
+create table t1(f1 time, f2 time);
+insert into t1 values('20:00:00','150:00:00');
+select 1 from t1 where cast('100:00:00' as time) between f1 and f2;
+1
+1
+drop table t1;

mysql-test/t/create.test

@@ -1122,37 +1122,6 @@ show create table t1;
 
 drop table t1;
 
-#
-# Bug #29325: create table overwrites .MYD file of other table (datadir)
-#
-
-CREATE DATABASE db1; 
-CREATE DATABASE db2;
-
-USE db2;
---disable_query_log
-eval CREATE TABLE t1 (b INT) ENGINE MYISAM
-DATA DIRECTORY = '$MYSQLTEST_VARDIR/master-data/db1/';
---enable_query_log
-
-INSERT INTO db2.t1 VALUES (1);
-SELECT * FROM db2.t1;
-RESET QUERY CACHE;
-
-USE db1;
-
-#no warning from create table
-SET SESSION keep_files_on_create = TRUE;
---disable_abort_on_error
-CREATE TABLE t1 (a INT) ENGINE MYISAM;
---enable_abort_on_error
-SET SESSION keep_files_on_create = DEFAULT;
-
-DROP TABLE db2.t1;
-DROP DATABASE db1;
-DROP DATABASE db2;
-USE test;
-
 
 --echo End of 5.0 tests
 

mysql-test/t/create_not_windows.test

@@ -17,6 +17,7 @@ primary key (_id)
 show create table `about:text`; 
 drop table `about:text`;
 
+
 # End of 5.0 tests
 
 #

mysql-test/t/join_nested.test

@@ -1083,4 +1083,118 @@ SELECT * FROM t1 JOIN (t2 JOIN t3 USING (b)) USING (a);
 
 DROP TABLE t1,t2,t3;
 
+#
+# BUG#29604: inner nest of left join interleaves with outer tables
+#
+
+CREATE TABLE t1 (
+  carrier char(2) default NULL,
+  id int NOT NULL auto_increment PRIMARY KEY
+);
+INSERT INTO t1 VALUES
+  ('CO',235371754),('CO',235376554),('CO',235376884),('CO',235377874),
+  ('CO',231060394),('CO',231059224),('CO',231059314),('CO',231060484),
+  ('CO',231060274),('CO',231060124),('CO',231060244),('CO',231058594),
+  ('CO',231058924),('CO',231058504),('CO',231059344),('CO',231060424),
+  ('CO',231059554),('CO',231060304),('CO',231059644),('CO',231059464),
+  ('CO',231059764),('CO',231058294),('CO',231058624),('CO',231058864),
+  ('CO',231059374),('CO',231059584),('CO',231059734),('CO',231059014),
+  ('CO',231059854),('CO',231059494),('CO',231059794),('CO',231058534),
+  ('CO',231058324),('CO',231058684),('CO',231059524),('CO',231059974);
+
+CREATE TABLE t2 (
+  scan_date date default NULL,
+  package_id int default NULL,
+  INDEX scan_date(scan_date),
+  INDEX package_id(package_id)
+);
+INSERT INTO t2 VALUES
+  ('2008-12-29',231062944),('2008-12-29',231065764),('2008-12-29',231066124),
+  ('2008-12-29',231060094),('2008-12-29',231061054),('2008-12-29',231065644),
+  ('2008-12-29',231064384),('2008-12-29',231064444),('2008-12-29',231073774),
+  ('2008-12-29',231058594),('2008-12-29',231059374),('2008-12-29',231066004),
+  ('2008-12-29',231068494),('2008-12-29',231070174),('2008-12-29',231071884),
+  ('2008-12-29',231063274),('2008-12-29',231063754),('2008-12-29',231064144),
+  ('2008-12-29',231069424),('2008-12-29',231073714),('2008-12-29',231058414),
+  ('2008-12-29',231060994),('2008-12-29',231069154),('2008-12-29',231068614),
+  ('2008-12-29',231071464),('2008-12-29',231074014),('2008-12-29',231059614),
+  ('2008-12-29',231059074),('2008-12-29',231059464),('2008-12-29',231069094),
+  ('2008-12-29',231067294),('2008-12-29',231070144),('2008-12-29',231073804),
+  ('2008-12-29',231072634),('2008-12-29',231058294),('2008-12-29',231065344),
+  ('2008-12-29',231066094),('2008-12-29',231069034),('2008-12-29',231058594),
+  ('2008-12-29',231059854),('2008-12-29',231059884),('2008-12-29',231059914),
+  ('2008-12-29',231063664),('2008-12-29',231063814),('2008-12-29',231063904);
+
+CREATE TABLE t3 (
+  package_id int default NULL,
+  INDEX package_id(package_id)
+);
+INSERT INTO t3 VALUES
+  (231058294),(231058324),(231058354),(231058384),(231058414),(231058444),
+  (231058474),(231058504),(231058534),(231058564),(231058594),(231058624),
+  (231058684),(231058744),(231058804),(231058864),(231058924),(231058954),
+  (231059014),(231059074),(231059104),(231059134),(231059164),(231059194),
+  (231059224),(231059254),(231059284),(231059314),(231059344),(231059374),
+  (231059404),(231059434),(231059464),(231059494),(231059524),(231059554),
+  (231059584),(231059614),(231059644),(231059674),(231059704),(231059734),
+  (231059764),(231059794),(231059824),(231059854),(231059884),(231059914),
+  (231059944),(231059974),(231060004),(231060034),(231060064),(231060094),
+  (231060124),(231060154),(231060184),(231060214),(231060244),(231060274),
+  (231060304),(231060334),(231060364),(231060394),(231060424),(231060454),
+  (231060484),(231060514),(231060544),(231060574),(231060604),(231060634),
+  (231060664),(231060694),(231060724),(231060754),(231060784),(231060814),
+  (231060844),(231060874),(231060904),(231060934),(231060964),(231060994),
+  (231061024),(231061054),(231061084),(231061144),(231061174),(231061204),
+  (231061234),(231061294),(231061354),(231061384),(231061414),(231061474),
+  (231061564),(231061594),(231061624),(231061684),(231061714),(231061774),
+  (231061804),(231061894),(231061984),(231062074),(231062134),(231062224),
+  (231062254),(231062314),(231062374),(231062434),(231062494),(231062554),
+  (231062584),(231062614),(231062644),(231062704),(231062734),(231062794),
+  (231062854),(231062884),(231062944),(231063004),(231063034),(231063064),
+  (231063124),(231063154),(231063184),(231063214),(231063274),(231063334),
+  (231063394),(231063424),(231063454),(231063514),(231063574),(231063664);
+ 
+CREATE TABLE t4 (
+  carrier char(2) NOT NULL default '' PRIMARY KEY,
+  id int(11) default NULL,
+  INDEX id(id)
+);
+INSERT INTO t4 VALUES
+  ('99',6),('SK',456),('UA',486),('AI',1081),('OS',1111),('VS',1510);
+
+CREATE TABLE t5 (
+  carrier_id int default NULL,
+  INDEX carrier_id(carrier_id)
+);
+INSERT INTO t5 VALUES
+  (6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
+  (6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
+  (6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
+  (6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
+  (6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
+  (6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(456),(456),(456),
+  (456),(456),(456),(456),(456),(456),(456),(456),(456),(456),(456),(456),
+  (456),(486),(1081),(1111),(1111),(1111),(1111),(1510);
+
+SELECT COUNT(*) 
+  FROM((t2 JOIN t1 ON t2.package_id = t1.id) 
+        JOIN t3 ON t3.package_id = t1.id);
+
+EXPLAIN
+SELECT COUNT(*) 
+  FROM ((t2 JOIN t1 ON t2.package_id = t1.id) 
+         JOIN t3 ON t3.package_id = t1.id)
+       LEFT JOIN 
+       (t5 JOIN t4 ON t5.carrier_id = t4.id)
+       ON t4.carrier = t1.carrier;
+SELECT COUNT(*) 
+  FROM ((t2 JOIN t1 ON t2.package_id = t1.id) 
+        JOIN t3 ON t3.package_id = t1.id)
+       LEFT JOIN 
+       (t5 JOIN t4 ON t5.carrier_id = t4.id)
+       ON t4.carrier = t1.carrier;
+
+DROP TABLE t1,t2,t3,t4,t5;
+
 --echo End of 5.0 tests
+

mysql-test/t/symlink.test

@@ -174,4 +174,42 @@ drop table t1;
 
 --echo End of 4.1 tests
 
+#
+# Bug #29325: create table overwrites .MYD file of other table (datadir)
+#
+
+CREATE DATABASE db1; 
+CREATE DATABASE db2;
+
+USE db2;
+--disable_query_log
+eval CREATE TABLE t1 (b INT) ENGINE MYISAM
+DATA DIRECTORY = '$MYSQLTEST_VARDIR/master-data/db1/';
+--enable_query_log
+
+INSERT INTO db2.t1 VALUES (1);
+SELECT * FROM db2.t1;
+RESET QUERY CACHE;
+
+USE db1;
+
+#no warning from create table
+SET SESSION keep_files_on_create = TRUE;
+--disable_abort_on_error
+CREATE TABLE t1 (a INT) ENGINE MYISAM;
+--enable_abort_on_error
+
+CREATE TABLE t3 (a INT) Engine=MyISAM;
+INSERT INTO t3 VALUES (1),(2),(3);
+TRUNCATE TABLE t3;
+SELECT * from t3;
+
+SET SESSION keep_files_on_create = DEFAULT;
+
+DROP TABLE db2.t1, db1.t3;
+DROP DATABASE db1;
+DROP DATABASE db2;
+USE test;
+
+
 --echo End of 5.0 tests

mysql-test/t/type_enum.test

@@ -183,4 +183,21 @@ insert into t1 values(''),(''),('a'),('b');
 select * from t1 where f1='';
 drop table t1;
 
+#
+# Bug#29360: Confluence of the special 0 enum value with the normal empty string
+# value during field to field copy.
+#
+
+CREATE TABLE t1 (c1 ENUM('a', '', 'b'));
+INSERT INTO t1 (c1) VALUES ('b');
+INSERT INTO t1 (c1) VALUES ('');
+INSERT INTO t1 (c1) VALUES (0);
+INSERT INTO t1 (c1) VALUES ('');
+
+SELECT c1 + 0, COUNT(c1) FROM t1 GROUP BY c1;
+
+CREATE TABLE t2 SELECT * FROM t1;
+SELECT c1 + 0 FROM t2;
+
+DROP TABLE t1,t2;
 --echo End of 5.1 tests

mysql-test/t/type_time.test

@@ -40,3 +40,21 @@ drop table t1;
 # ##########################################################
 
 # End of 4.1 tests
+
+#
+# Bug#29555: Comparing time values as strings may lead to a wrong result.
+#
+select cast('100:55:50' as time) < cast('24:00:00' as time);
+select cast('100:55:50' as time) < cast('024:00:00' as time);
+select cast('300:55:50' as time) < cast('240:00:00' as time);
+select cast('100:55:50' as time) > cast('24:00:00' as time);
+select cast('100:55:50' as time) > cast('024:00:00' as time);
+select cast('300:55:50' as time) > cast('240:00:00' as time);
+
+#
+# Bug#29739: Incorrect time comparison in BETWEEN.
+#
+create table t1(f1 time, f2 time);
+insert into t1 values('20:00:00','150:00:00');
+select 1 from t1 where cast('100:00:00' as time) between f1 and f2;
+drop table t1;

sql/field_conv.cc

@@ -795,11 +795,18 @@ int field_conv(Field *to,Field *from)
       blob->value.copy();
     return blob->store(blob->value.ptr(),blob->value.length(),from->charset());
   }
-  if ((from->result_type() == STRING_RESULT &&
-       (to->result_type() == STRING_RESULT ||
-	(from->real_type() != MYSQL_TYPE_ENUM &&
-	 from->real_type() != MYSQL_TYPE_SET))) ||
-      to->type() == MYSQL_TYPE_DECIMAL)
+  if (from->real_type() == MYSQL_TYPE_ENUM &&
+      to->real_type() == MYSQL_TYPE_ENUM &&
+      from->val_int() == 0)
+  {
+    ((Field_enum *)(to))->store_type(0);
+    return 0;
+  }
+  else if ((from->result_type() == STRING_RESULT &&
+            (to->result_type() == STRING_RESULT ||
+             (from->real_type() != MYSQL_TYPE_ENUM &&
+              from->real_type() != MYSQL_TYPE_SET))) ||
+           to->type() == MYSQL_TYPE_DECIMAL)
   {
     char buff[MAX_FIELD_WIDTH];
     String result(buff,sizeof(buff),from->charset());

sql/item_cmpfunc.cc

@@ -759,6 +759,18 @@ int Arg_comparator::set_cmp_func(Item_bool_func2 *owner_arg,
     func= &Arg_comparator::compare_datetime;
     return 0;
   }
+  else if (type == STRING_RESULT && (*a)->field_type() == MYSQL_TYPE_TIME &&
+           (*b)->field_type() == MYSQL_TYPE_TIME)
+  {
+    /* Compare TIME values as integers. */
+    thd= current_thd;
+    owner= owner_arg;
+    func= ((test(owner && owner->functype() == Item_func::EQUAL_FUNC)) ?
+           &Arg_comparator::compare_e_int :
+           &Arg_comparator::compare_int_unsigned);
+    return 0;
+  }
+
   return set_compare_func(owner_arg, type);
 }
 
@@ -1771,6 +1783,7 @@ void Item_func_between::fix_length_and_dec()
   max_length= 1;
   int i;
   bool datetime_found= FALSE;
+  int time_items_found= 0;
   compare_as_dates= TRUE;
   THD *thd= current_thd;
 
@@ -1791,17 +1804,19 @@ void Item_func_between::fix_length_and_dec()
     At least one of items should be a DATE/DATETIME item and other items
     should return the STRING result.
   */
-  for (i= 0; i < 3; i++)
+  if (cmp_type == STRING_RESULT)
   {
-    if (args[i]->is_datetime())
+    for (i= 0; i < 3; i++)
     {
-      datetime_found= TRUE;
-      continue;
+      if (args[i]->is_datetime())
+      {
+        datetime_found= TRUE;
+        continue;
+      }
+      if (args[i]->field_type() == MYSQL_TYPE_TIME &&
+          args[i]->result_as_longlong())
+        time_items_found++;
     }
-    if (args[i]->result_type() == STRING_RESULT)
-      continue;
-    compare_as_dates= FALSE;
-    break;
   }
   if (!datetime_found)
     compare_as_dates= FALSE;
@@ -1811,6 +1826,11 @@ void Item_func_between::fix_length_and_dec()
     ge_cmp.set_datetime_cmp_func(args, args + 1);
     le_cmp.set_datetime_cmp_func(args, args + 2);
   }
+  else if (time_items_found == 3)
+  {
+    /* Compare TIME items as integers. */
+    cmp_type= INT_RESULT;
+  }
   else if (args[0]->real_item()->type() == FIELD_ITEM &&
            thd->lex->sql_command != SQLCOM_CREATE_VIEW &&
            thd->lex->sql_command != SQLCOM_SHOW_CREATE)

sql/sql_select.cc

@@ -8703,9 +8703,15 @@ static void restore_prev_nj_state(JOIN_TAB *last)
 {
   TABLE_LIST *last_emb= last->table->pos_in_table_list->embedding;
   JOIN *join= last->join;
-  while (last_emb && !(--last_emb->nested_join->counter))
+  while (last_emb)
   {
-    join->cur_embedding_map &= last_emb->nested_join->nj_map;
+    if (!(--last_emb->nested_join->counter))
+      join->cur_embedding_map&= ~last_emb->nested_join->nj_map;
+    else if (last_emb->nested_join->join_list.elements-1 ==
+             last_emb->nested_join->counter) 
+      join->cur_embedding_map|= last_emb->nested_join->nj_map;
+    else
+      break;
     last_emb= last_emb->embedding;
   }
 }