5.3.4 merge

117 files changed, 4695 insertions, 2204 deletions

diff --git a/libmysql/get_password.c b/libmysql/get_password.c
index c3428dd2838..a10d112ccd0 100644
--- a/libmysql/get_password.c
+++ b/libmysql/get_password.c
@@ -71,9 +71,9 @@ void get_tty_password_buff(const char *opt_message, char *to, size_t length)
   _cputs(opt_message ? opt_message : "Enter password: ");
   for (;;)
   {
-    char tmp;
+    int tmp;
     tmp=_getch();
-    if (tmp == '\b' || (int) tmp == 127)
+    if (tmp == '\b' || tmp == 127)
     {
       if (pos != to)
       {
@@ -82,15 +82,13 @@ void get_tty_password_buff(const char *opt_message, char *to, size_t length)
 	continue;
       }
     }
-    if (tmp == '\n' || tmp == '\r' || tmp == 3)
+    if (tmp == -1 || tmp == '\n' || tmp == '\r' || tmp == 3)
       break;
     if (iscntrl(tmp) || pos == end)
       continue;
     _cputs("*");
-    *(pos++) = tmp;
+    *(pos++) = (char)tmp;
   }
-  while (pos != to && isspace(pos[-1]) == ' ')
-    pos--;					/* Allow dummy space at end */
   *pos=0;
   _cputs("\n");
 }
@@ -137,8 +135,6 @@ static void get_password(char *to,uint length,int fd, my_bool echo)
     }
     *(pos++) = tmp;
   }
-  while (pos != to && isspace(pos[-1]) == ' ')
-    pos--;					/* Allow dummy space at end */
   *pos=0;
   return;
 }
diff --git a/mysql-test/include/wait_until_disconnected.inc b/mysql-test/include/wait_until_disconnected.inc
index c274fbbe089..71361682442 100644
--- a/mysql-test/include/wait_until_disconnected.inc
+++ b/mysql-test/include/wait_until_disconnected.inc
@@ -12,7 +12,7 @@ while (!$mysql_errno)
   # Strangely enough, the server might return "Too many connections"
   # while being shutdown, thus 1040 is an "allowed" error.
   # See BUG#36228.
-  --error 0,1040,1053,2002,2003,2006,2013
+  --error 0,1040,1053,2002,2003,2005,2006,2013
   show status;
 
   dec $counter;
diff --git a/mysql-test/r/create.result b/mysql-test/r/create.result
index b63131fcca6..fbc8e3d28e2 100644
--- a/mysql-test/r/create.result
+++ b/mysql-test/r/create.result
@@ -1562,6 +1562,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	7
 drop table t1,t2;
 CREATE TABLE t1(c1 VARCHAR(33), KEY USING BTREE (c1));
diff --git a/mysql-test/r/derived_opt.result b/mysql-test/r/derived_opt.result
index 721d4277775..c5376bee756 100644
--- a/mysql-test/r/derived_opt.result
+++ b/mysql-test/r/derived_opt.result
@@ -273,4 +273,13 @@ ON alias3.f4 != 0
 ) ON alias3.f4 != 0;
 f4	f4	f2	f4
 drop table t1,t2,t3,t4;
+#
+# LP BUG#910123 MariaDB 5.3.3 causes 1093 error on Drupal
+# Fix: force materialization in case of conflict
+#
+SET optimizer_switch='derived_merge=on';
+CREATE TABLE t1 ( i INT );
+INSERT INTO t1 VALUES ( (SELECT 1 FROM ( SELECT * FROM t1 ) as a) );
+drop table t1;
+set optimizer_switch=@save_optimizer_switch;
 set optimizer_switch=@exit_optimizer_switch;
diff --git a/mysql-test/r/derived_view.result b/mysql-test/r/derived_view.result
index 587a1dd9e31..4756daaf687 100644
--- a/mysql-test/r/derived_view.result
+++ b/mysql-test/r/derived_view.result
@@ -80,6 +80,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 flush status;
 select * from (select * from t1 where f1 in (2,3)) tt where f11=2;
@@ -93,6 +94,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	12
 for merged views
 create view v1 as select * from t1;
@@ -165,6 +167,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 flush status;
 select * from v4 where f2 in (1,3);
@@ -178,6 +181,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	12
 for materialized derived tables
 explain for simple derived
@@ -229,6 +233,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 flush status;
 select * from t1 join (select * from t2 group by f2) tt on f1=f2;
@@ -244,6 +249,7 @@ Handler_read_last	0
 Handler_read_next	3
 Handler_read_prev	0
 Handler_read_rnd	11
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	36
 for materialized views
 drop view v1,v2,v3;
@@ -318,6 +324,7 @@ Handler_read_last	0
 Handler_read_next	22
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	60
 explain showing late materialization
 flush status;
@@ -334,6 +341,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 flush status;
 select * from t1 join v2 on f1=f2;
@@ -349,6 +357,7 @@ Handler_read_last	0
 Handler_read_next	3
 Handler_read_prev	0
 Handler_read_rnd	11
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	36
 explain extended select * from v1 join v4 on f1=f2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
@@ -443,6 +452,7 @@ Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	8
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	39
 flush status;
 merged in merged derived join merged in merged derived
@@ -1089,7 +1099,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t	system	NULL	NULL	NULL	NULL	1	100.00	
 1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	100.00	
 1	PRIMARY	t3	system	NULL	NULL	NULL	NULL	1	100.00	
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
 Note	1003	select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<expr_cache><6,5>(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5))))))))
 SELECT t.a,t.b FROM t3 RIGHT JOIN ((SELECT * FROM t1) AS t, t2) ON t2.b != 0 
@@ -1103,7 +1113,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	1	100.00	
 1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	100.00	
 1	PRIMARY	t3	system	NULL	NULL	NULL	NULL	1	100.00	
-3	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+3	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
 Note	1003	select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<expr_cache><6,5>(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5))))))))
 SELECT t.a,t.b FROM t3 RIGHT JOIN (v1 AS t, t2) ON t2.b != 0 
@@ -1117,7 +1127,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	1	100.00	
 1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	100.00	
 1	PRIMARY	t3	system	NULL	NULL	NULL	NULL	1	100.00	
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
 Note	1003	select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<expr_cache><6,5>(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5))))))))
 DROP VIEW v1;
@@ -1800,6 +1810,7 @@ INSERT INTO t2 VALUES (7), (4);
 CREATE TABLE t1 (b int NOT NULL);
 INSERT INTO t1 VALUES (5), (7);
 CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1;
+SET @save_optimizer_switch=@@optimizer_switch;
 SET SESSION optimizer_switch='derived_merge=off';
 PREPARE st1 FROM
 'SELECT * FROM (SELECT * FROM t2 LEFT JOIN v1 ON t2.a = v1.b) AS t';
@@ -1812,9 +1823,9 @@ a	b
 7	7
 4	NULL
 DEALLOCATE PREPARE st1;
+set SESSION optimizer_switch= @save_optimizer_switch;
 DROP VIEW v1;
 DROP TABLE t1,t2;
-SET SESSION optimizer_switch='derived_merge=on';
 #
 # LP bug #879939: assertion in ha_maria::enable_indexes 
 #                 with derived_with_keys=on
@@ -1832,6 +1843,7 @@ INSERT INTO t1 VALUES
 ('USA','Mesquite'), ('USA','Metairie'), ('USA','Miami');
 CREATE TABLE t3 (a varchar(35));
 INSERT INTO t3 VALUES ('Miami');
+SET @save_optimizer_switch=@@optimizer_switch;
 SET optimizer_switch = 'derived_with_keys=on';
 SET @@tmp_table_size=1024*4;
 explain SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b;
@@ -1855,6 +1867,7 @@ USA	Miami	Miami
 USA	Miami	Miami
 USA	Miami	Miami
 SET @@tmp_table_size=default;
+set SESSION optimizer_switch= @save_optimizer_switch;
 drop table t1,t2,t3;
 #
 # BUG#882994: Crash in QUICK_RANGE_SELECT::reset with derived_with_keys
@@ -1889,5 +1902,42 @@ ORDER BY CONCAT(alias2.col_varchar_nokey);
 col_varchar_key	pk	col_varchar_key	col_varchar_nokey
 set max_heap_table_size= @tmp_882994;
 drop table t1,t2,t3;
+#
+# LP bug #917990: Bad estimate of #rows for derived table with LIMIT
+#
+CREATE TABLE t1 (a int);
+INSERT INTO t1 VALUES
+(8), (3), (4), (7), (9), (5), (1), (2);
+SELECT * FROM (SELECT * FROM t1 LIMIT 3) t;
+a
+8
+3
+4
+EXPLAIN
+SELECT * FROM (SELECT * FROM t1 LIMIT 3) t;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	3	
+2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	8	
+DROP TABLE t1;
+#
+# LP BUG#921878 incorrect check of items during columns union types
+# aggregation for merged derived tables
+#
+SET @save_optimizer_switch=@@optimizer_switch;
+SET SESSION optimizer_switch='derived_merge=on';
+CREATE TABLE t1 ( a ENUM( 'x', 'y' ) );
+insert into t1 values ('x');
+CREATE TABLE t2 LIKE t1;
+insert into t1 values ('y');
+CREATE TABLE t3 LIKE t1;
+INSERT INTO t3
+SELECT * FROM ( SELECT * FROM t1 ) AS A
+UNION SELECT * FROM t2;
+select * from t3;
+a
+x
+y
+drop table t1,t2,t3;
+set SESSION optimizer_switch= @save_optimizer_switch;
 set optimizer_switch=@exit_optimizer_switch;
 set join_cache_level=@exit_join_cache_level;
diff --git a/mysql-test/r/func_group.result b/mysql-test/r/func_group.result
index c39a226303b..aa93424f2ae 100644
--- a/mysql-test/r/func_group.result
+++ b/mysql-test/r/func_group.result
@@ -1825,6 +1825,70 @@ drop table t1;
 #
 End of 5.1 tests
 #
+# Bug #904345: MIN/MAX optimization  with constant FALSE condition
+#
+CREATE TABLE t1 (a int NOT NULL, KEY(a));
+INSERT INTO t1 VALUES (10), (8), (11), (7), (15), (12), (9);
+CREATE TABLE t2 (a int, b int);
+INSERT INTO t2 VALUES
+(8,2), (6,9), (8,4), (5,3), (9,1);
+EXPLAIN EXTENDED
+SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT 3,4) AND a<10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	range	a	a	4	NULL	4	100.00	Using where; Using index
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1003	select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` where (<expr_cache><<cache>(1),<cache>(2)>(<in_optimizer>(<cache>((1,2)),<exists>(select 3,4 having (((1 = 3) or isnull(3)) and ((2 = 4) or isnull(4)) and <is_not_null_test>(3) and <is_not_null_test>(4))))) and (`test`.`t1`.`a` < 10))
+SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT 3,4) AND a<10;
+MAX(a)
+NULL
+EXPLAIN EXTENDED
+SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	<subquery2>	eq_ref	distinct_key	distinct_key	10	func,func	1	100.00	
+1	PRIMARY	t1	range	a	a	4	NULL	4	100.00	Using where; Using index; Using join buffer (flat, BNL join)
+2	MATERIALIZED	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where
+Warnings:
+Note	1003	select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = 2) and (`test`.`t2`.`a` = 1) and (`test`.`t1`.`a` < 10))
+SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10;
+MAX(a)
+NULL
+EXPLAIN EXTENDED
+SELECT MAX(a) FROM t1 WHERE RAND()*0<>0 AND a<10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	range	a	a	4	NULL	4	100.00	Using where; Using index
+Warnings:
+Note	1003	select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` where (((rand() * 0) <> 0) and (`test`.`t1`.`a` < 10))
+SELECT MAX(a) FROM t1 WHERE RAND()*0<>0 AND a<10;
+MAX(a)
+NULL
+DROP TABLE t1,t2;
+#
+# Bug #879860: MIN/MAX for subquery returning empty set 
+#
+CREATE TABLE t1 (a int PRIMARY KEY);
+INSERT INTO t1 VALUES (1);
+CREATE TABLE t2 (a int NOT NULL);
+INSERT INTO t2 VALUES (10);
+CREATE TABLE t3 ( a int, b int);
+INSERT INTO t3 VALUES (19,1), (20,5);
+EXPLAIN EXTENDED
+SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	2	100.00	
+2	DEPENDENT SUBQUERY	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+2	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1276	Field or reference 'test.t3.b' of SELECT #2 was resolved in SELECT #1
+Note	1003	select <expr_cache><`test`.`t3`.`b`>((select min(1) from dual where (10 = `test`.`t3`.`b`))) AS `(SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b)` from `test`.`t3`
+SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3;
+(SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b)
+NULL
+NULL
+DROP TABLE t1,t2,t3;
+#
+End of 5.2 tests
+#
 # BUG#46680 - Assertion failed in file item_subselect.cc, 
 #             line 305 crashing on HAVING subquery
 #
diff --git a/mysql-test/r/handler_read_last.result b/mysql-test/r/handler_read_last.result
index a21e9ed9564..574c3c25ab1 100644
--- a/mysql-test/r/handler_read_last.result
+++ b/mysql-test/r/handler_read_last.result
@@ -13,6 +13,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 SELECT a FROM t1 ORDER BY a DESC LIMIT 1;
@@ -26,6 +27,7 @@ Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 SELECT a FROM t1 ORDER BY a LIMIT 3;
@@ -41,6 +43,7 @@ Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 SELECT a FROM t1 ORDER BY a DESC LIMIT 3;
@@ -56,5 +59,6 @@ Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	2
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 DROP TABLE t1;
diff --git a/mysql-test/r/insert_select.result b/mysql-test/r/insert_select.result
index 538d6ddd0fd..04754375103 100644
--- a/mysql-test/r/insert_select.result
+++ b/mysql-test/r/insert_select.result
@@ -698,6 +698,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	1
 DROP TABLE t1;
 CREATE TABLE t1 (
diff --git a/mysql-test/r/join.result b/mysql-test/r/join.result
index d8230826048..d826fbe2aa7 100644
--- a/mysql-test/r/join.result
+++ b/mysql-test/r/join.result
@@ -861,6 +861,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	5
 drop table t1, t2, t3;
 create table t1 (a int);
@@ -1271,6 +1272,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	1
 DROP TABLE t1, t2;
 End of 5.1 tests
diff --git a/mysql-test/r/join_cache.result b/mysql-test/r/join_cache.result
index 07ceb573f85..19de0fb0a5a 100644
--- a/mysql-test/r/join_cache.result
+++ b/mysql-test/r/join_cache.result
@@ -5392,4 +5392,184 @@ x	5	5	4
 SET join_cache_level = DEFAULT;
 SET optimizer_switch=@tmp_optimizer_switch;
 DROP TABLE t1,t2,t3,t4;
+#
+# Bug#53305 Duplicate weedout + join buffer (join cache --level=7,8)
+#
+create table t1 (uid int, fid int, index(uid));
+insert into t1 values
+(1,1), (1,2), (1,3), (1,4),
+(2,5), (2,6), (2,7), (2,8),
+(3,1), (3,2), (3,9);
+create table t2 (uid int primary key, name varchar(128), index(name));
+insert into t2 values 
+(1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"),
+(6, "F"), (7, "G"), (8, "H"), (9, "I");
+create table t3 (uid int, fid int, index(uid));
+insert into t3 values
+(1,1), (1,2), (1,3),(1,4),
+(2,5), (2,6), (2,7), (2,8),
+(3,1), (3,2), (3,9);
+set @tmp_optimizer_switch=@@optimizer_switch;
+set  @@optimizer_switch='semijoin=on';
+set optimizer_switch='materialization=off';
+set optimizer_switch='loosescan=off,firstmatch=off';
+set optimizer_switch='mrr_sort_keys=off';
+set join_cache_level=7;
+create table t4 (uid int primary key, name varchar(128), index(name));
+insert into t4 values 
+(1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"),
+(6, "F"), (7, "G"), (8, "H"), (9, "I");
+explain select name from t2, t1 
+where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid)
+and t2.uid=t1.fid;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t3	ref	uid	uid	5	const	4	Using where; Start temporary
+1	PRIMARY	t4	eq_ref	PRIMARY	PRIMARY	4	test.t3.fid	1	Using index
+1	PRIMARY	t1	ALL	uid	NULL	NULL	NULL	11	Using where; End temporary; Using join buffer (flat, BNL join)
+1	PRIMARY	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.fid	1	Using join buffer (flat, BKAH join); Rowid-ordered scan
+select name from t2, t1 
+where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid)
+and t2.uid=t1.fid;
+name
+A
+A
+B
+B
+C
+D
+E
+F
+G
+H
+I
+set join_cache_level = default;
+set optimizer_switch=@tmp_optimizer_switch;
+drop table t1,t2,t3,t4;
+#
+# Bug#50358 - semijoin execution of subquery with outerjoin
+#             emplying join buffer
+#
+CREATE TABLE t1 (i int);
+CREATE TABLE t2 (i int);
+CREATE TABLE t3 (i int);
+INSERT INTO t1 VALUES (1), (2);
+INSERT INTO t2 VALUES (6);
+INSERT INTO t3 VALUES (1), (2);
+set @tmp_optimizer_switch=@@optimizer_switch;
+set  @@optimizer_switch='semijoin=on';
+set optimizer_switch='materialization=on';
+set join_cache_level=0;
+EXPLAIN
+SELECT * FROM t1 WHERE t1.i IN 
+(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	2	
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	MATERIALIZED	t3	ALL	NULL	NULL	NULL	NULL	2	
+2	MATERIALIZED	t2	ALL	NULL	NULL	NULL	NULL	1	Using where
+SELECT * FROM t1 WHERE t1.i IN 
+(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
+i
+1
+2
+set join_cache_level=2;
+EXPLAIN
+SELECT * FROM t1 WHERE t1.i IN 
+(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	2	
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where; Using join buffer (flat, BNL join)
+2	MATERIALIZED	t3	ALL	NULL	NULL	NULL	NULL	2	
+2	MATERIALIZED	t2	ALL	NULL	NULL	NULL	NULL	1	Using where; Using join buffer (flat, BNL join)
+SELECT * FROM t1 WHERE t1.i IN 
+(SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
+i
+1
+2
+set join_cache_level = default;
+set optimizer_switch=@tmp_optimizer_switch;
+DROP TABLE t1,t2,t3;
+#
+# Bug #12546542: missing row with semijoin=off + join cache
+# (LP bug #922971)
+#
+CREATE TABLE t1 (a varchar(1024));
+INSERT INTO t1 VALUES ('v'), ('we');
+CREATE TABLE t2 (
+a varchar(1024) CHARACTER SET utf8 DEFAULT NULL, b int, c int
+);
+INSERT INTO t2 VALUES ('we',4,NULL), ('v',1305673728,6);
+CREATE TABLE t3 (b int, c int);
+INSERT INTO t3 VALUES (4,4);
+set @tmp_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=off';
+set optimizer_switch='materialization=off';
+set join_cache_level=0;
+EXPLAIN
+SELECT * FROM t1
+WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b 
+WHERE t2.c < 10 OR t3.c > 1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	1	Using where
+SELECT * FROM t1
+WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b 
+WHERE t2.c < 10 OR t3.c > 1);
+a
+v
+we
+set join_cache_level=2;
+EXPLAIN
+SELECT * FROM t1
+WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
+WHERE t2.c < 10 OR t3.c > 1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	1	Using where; Using join buffer (flat, BNL join)
+SELECT * FROM t1
+WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
+WHERE t2.c < 10 OR t3.c > 1);
+a
+v
+we
+set join_cache_level = default;
+set optimizer_switch=@tmp_optimizer_switch;
+DROP TABLE t1,t2,t3;
+#
+# Bug #925985: LEFT JOIN with optimize_join_buffer_size=off +
+#              join_buffer_size > join_buffer_space_limit
+#
+CREATE TABLE t1 (a int);
+INSERT INTO t1 VALUES (5), (3);
+CREATE TABLE t2 (a int, b int);
+INSERT INTO t2 VALUES
+(3,30), (1,10), (7,70), (2,20),
+(3,31), (1,11), (7,71), (2,21),
+(3,32), (1,12), (7,72), (2,22);
+CREATE TABLE t3 (b int, c int);
+INSERT INTO t3 VALUES (32, 302), (42,400), (30,300);
+set @tmp_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='optimize_join_buffer_size=off';
+set join_buffer_space_limit=4096;
+set join_buffer_size=4096*2;
+set join_cache_level=2;
+set optimizer_switch='outer_join_with_cache=on';
+EXPLAIN
+SELECT * FROM t1, t2 LEFT JOIN t3 ON t2.b=t3.b WHERE t1.a=t2.a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	12	Using where; Using join buffer (flat, BNL join)
+1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	3	Using where; Using join buffer (incremental, BNL join)
+SELECT * FROM t1, t2 LEFT JOIN t3 ON t2.b=t3.b WHERE t1.a=t2.a;
+a	a	b	b	c
+3	3	30	30	300
+3	3	31	NULL	NULL
+3	3	32	32	302
+set join_buffer_space_limit=default;
+set join_buffer_size=default;
+set join_cache_level=default;
+set optimizer_switch=@tmp_optimizer_switch;
+DROP TABLE t1,t2,t3;
 set @@optimizer_switch=@save_optimizer_switch;
diff --git a/mysql-test/r/join_outer.result b/mysql-test/r/join_outer.result
index 16913864f5d..842ac2e81cd 100644
--- a/mysql-test/r/join_outer.result
+++ b/mysql-test/r/join_outer.result
@@ -1245,6 +1245,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	6
 DROP TABLE t1,t2;
 CREATE TABLE t1 (c int  PRIMARY KEY, e int NOT NULL);
@@ -1747,6 +1748,7 @@ Handler_read_last	0
 Handler_read_next	5
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	1048581
 flush status;
 select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
@@ -1760,6 +1762,7 @@ Handler_read_last	0
 Handler_read_next	5
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	1048581
 drop table t1,t2,t3;
 #
diff --git a/mysql-test/r/join_outer_innodb.result b/mysql-test/r/join_outer_innodb.result
index 749cb2ab212..5a99cb83b90 100644
--- a/mysql-test/r/join_outer_innodb.result
+++ b/mysql-test/r/join_outer_innodb.result
@@ -52,3 +52,11 @@ pk
 
 DROP TABLE t1,t2;
 # End BUG#58456
+CREATE TABLE t1(a int, b int, KEY (a), PRIMARY KEY (b))  ENGINE=InnoDB;
+CREATE TABLE t2 (b int, PRIMARY KEY (b));
+INSERT INTO t2 VALUES (4),(9);
+SELECT STRAIGHT_JOIN t1.a FROM t1 RIGHT JOIN t2 ON t1.b = t2.b
+WHERE (t1.b NOT BETWEEN 1 AND 7 OR t1.a IS NULL AND t1.b = t2.b) AND t2.b = 4
+GROUP BY 1;
+a
+DROP TABLE t1,t2;
diff --git a/mysql-test/r/join_outer_jcl6.result b/mysql-test/r/join_outer_jcl6.result
index 7605af40a6f..046c758a751 100644
--- a/mysql-test/r/join_outer_jcl6.result
+++ b/mysql-test/r/join_outer_jcl6.result
@@ -1256,6 +1256,7 @@ Handler_read_last	0
 Handler_read_next	9
 Handler_read_prev	0
 Handler_read_rnd	3
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	6
 DROP TABLE t1,t2;
 CREATE TABLE t1 (c int  PRIMARY KEY, e int NOT NULL);
@@ -1758,6 +1759,7 @@ Handler_read_last	0
 Handler_read_next	5
 Handler_read_prev	0
 Handler_read_rnd	5
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	1048581
 flush status;
 select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
@@ -1771,6 +1773,7 @@ Handler_read_last	0
 Handler_read_next	5
 Handler_read_prev	0
 Handler_read_rnd	5
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	1048581
 drop table t1,t2,t3;
 #
diff --git a/mysql-test/r/myisam_mrr.result b/mysql-test/r/myisam_mrr.result
index 9dd3602bab7..01d3e6aeb5d 100644
--- a/mysql-test/r/myisam_mrr.result
+++ b/mysql-test/r/myisam_mrr.result
@@ -557,4 +557,66 @@ COUNT(alias2.f2)
 set @@join_cache_level= @tmp_730133_jcl;
 set @@optimizer_switch= @tmp_730133_os;
 drop table t1;
+#
+# Test of MRR handler counters
+#
+flush status;
+show status like 'Handler_mrr%';
+Variable_name	Value
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1 (a int, b int, filler char(200), key(a));
+insert into t1 
+select A.a+10*B.a+100*C.a+1000*D.a, 123,'filler' from t0 A, t0 B, t0 C, t0 D;
+explain select sum(b) from t1 where a < 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	a	a	5	NULL	8	Using index condition; Rowid-ordered scan
+# This should show one MRR scan and no re-fills:
+flush status;
+select sum(b) from t1 where a < 10;
+sum(b)
+1230
+show status like 'handler_mrr%';
+Variable_name	Value
+set @mrr_buffer_size_save= @@mrr_buffer_size;
+set mrr_buffer_size=128;
+explain select sum(b) from t1 where a < 1600;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	a	a	5	NULL	1380	Using index condition; Rowid-ordered scan
+# This should show one MRR scan and one extra rowid sort:
+flush status;
+select sum(b) from t1 where a < 1600;
+sum(b)
+196800
+show status like 'handler_mrr%';
+Variable_name	Value
+set @@mrr_buffer_size= @mrr_buffer_size_save;
+#Now, let's check BKA: 
+set @join_cache_level_save= @@join_cache_level;
+set @join_buffer_size_save= @@join_buffer_size;
+set join_cache_level=6;
+explain select sum(t1.b) from t0,t1 where t0.a=t1.a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t0	ALL	NULL	NULL	NULL	NULL	10	Using where
+1	SIMPLE	t1	ref	a	a	5	test.t0.a	1	Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
+flush status;
+select sum(t1.b) from t0,t1 where t0.a=t1.a;
+sum(t1.b)
+1230
+show status like 'handler_mrr%';
+Variable_name	Value
+set join_buffer_size=10;
+explain select sum(t1.b) from t0,t1 where t0.a=t1.a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t0	ALL	NULL	NULL	NULL	NULL	10	Using where
+1	SIMPLE	t1	ref	a	a	5	test.t0.a	1	Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
+flush status;
+select sum(t1.b) from t0,t1 where t0.a=t1.a;
+sum(t1.b)
+1230
+show status like 'handler_mrr%';
+Variable_name	Value
+set join_cache_level= @join_cache_level_save;
+set join_buffer_size= @join_buffer_size_save;
+drop table t0, t1;
 set optimizer_switch= @myisam_mrr_tmp;
diff --git a/mysql-test/r/null_key.result b/mysql-test/r/null_key.result
index 4e28f73caad..35c6ebe1442 100644
--- a/mysql-test/r/null_key.result
+++ b/mysql-test/r/null_key.result
@@ -428,6 +428,7 @@ Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	5
 DROP TABLE t1,t2,t3,t4;
 CREATE TABLE t1 (
diff --git a/mysql-test/r/order_by.result b/mysql-test/r/order_by.result
index 270e74ddf52..d320b5b669f 100644
--- a/mysql-test/r/order_by.result
+++ b/mysql-test/r/order_by.result
@@ -1759,3 +1759,57 @@ i1	i2
 4	4
 5	5
 DROP TABLE t1, t2, t3;
+#
+# Fix of LP BUG#793589 Wrong result with double ORDER BY
+#
+CREATE TABLE t1 ( b int) ;
+INSERT INTO t1 VALUES (8),(9);
+CREATE TABLE t2 ( a int, b int, PRIMARY KEY (a)) ;
+INSERT INTO t2 VALUES (6,7),(7,7),(8,1),(9,7),(10,1),(11,5),(12,2),(13,0),(14,1),(15,8),(16,1),(17,1),(18,9),(19,1),(20,5);
+SELECT t2.b AS field1 FROM t1, t2 WHERE t1.b = t2.a GROUP BY field1 ORDER BY t1.b, field1;
+field1
+1
+7
+SELECT t2.b, t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b, t2.b;
+b	b
+1	8
+7	9
+SELECT t2.b,t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
+b	b
+1	8
+7	9
+SELECT t2.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
+b
+1
+7
+# field1 removed from ORDER BY
+explain extended
+SELECT t2.b AS field1 FROM t1, t2 WHERE t1.b = t2.a GROUP BY field1 ORDER BY t1.b, field1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using temporary; Using filesort
+1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.b	1	100.00	
+Warnings:
+Note	1003	select `test`.`t2`.`b` AS `field1` from `test`.`t1` join `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`b`) group by `test`.`t2`.`b` order by `test`.`t1`.`b`
+explain extended
+SELECT t2.b, t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b, t2.b;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using temporary; Using filesort
+1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.b	1	100.00	
+Warnings:
+Note	1003	select `test`.`t2`.`b` AS `b`,`test`.`t1`.`b` AS `b` from `test`.`t1` join `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`b`) group by `test`.`t2`.`b` order by `test`.`t1`.`b`
+explain extended
+SELECT t2.b,t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using temporary; Using filesort
+1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.b	1	100.00	
+Warnings:
+Note	1003	select `test`.`t2`.`b` AS `b`,`test`.`t1`.`b` AS `b` from `test`.`t1` join `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`b`) group by `test`.`t2`.`b` order by `test`.`t1`.`b`
+explain extended
+SELECT t2.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using temporary; Using filesort
+1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.b	1	100.00	
+Warnings:
+Note	1003	select `test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`b`) group by `test`.`t2`.`b` order by `test`.`t1`.`b`
+drop table t1,t2;
+End of 5.2 tests
diff --git a/mysql-test/r/partition.result b/mysql-test/r/partition.result
index 2e90bf8e27b..7c38fa18faa 100644
--- a/mysql-test/r/partition.result
+++ b/mysql-test/r/partition.result
@@ -521,6 +521,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 10 AND c1 < 13) OR (c1 > 17 AND c1 < 20);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
@@ -540,6 +541,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 DROP TABLE t1,t2;
 CREATE TABLE `t1` (
@@ -571,6 +573,7 @@ Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 2 AND c1 < 5);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
@@ -588,6 +591,7 @@ Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 EXPLAIN PARTITIONS SELECT c1 FROM t1 WHERE (c1 > 12 AND c1 < 15);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
@@ -605,6 +609,7 @@ Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 12 AND c1 < 15);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
@@ -622,6 +627,7 @@ Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 DROP TABLE t1,t2;
 create table t1 (a int) partition by list ((a/3)*10 div 1)
diff --git a/mysql-test/r/partition_pruning.result b/mysql-test/r/partition_pruning.result
index eb0849e2cad..32c0cd34942 100644
--- a/mysql-test/r/partition_pruning.result
+++ b/mysql-test/r/partition_pruning.result
@@ -2968,7 +2968,10 @@ flush status;
 delete from t2 where b > 5;
 show status like 'Handler_read_rnd_next';
 Variable_name	Value
-Handler_read_rnd_next	1215
+Handler_read_rnd_next	815
+show status like 'Handler_read_rnd_deleted';
+Variable_name	Value
+Handler_read_rnd_deleted	400
 show status like 'Handler_read_key';
 Variable_name	Value
 Handler_read_key	0
@@ -2982,7 +2985,10 @@ flush status;
 delete from t2 where b < 5 or b > 3;
 show status like 'Handler_read_rnd_next';
 Variable_name	Value
-Handler_read_rnd_next	1215
+Handler_read_rnd_next	515
+show status like 'Handler_read_rnd_deleted';
+Variable_name	Value
+Handler_read_rnd_deleted	700
 show status like 'Handler_read_key';
 Variable_name	Value
 Handler_read_key	0
diff --git a/mysql-test/r/ps.result b/mysql-test/r/ps.result
index 7d793f16c1a..b4a09091aa6 100644
--- a/mysql-test/r/ps.result
+++ b/mysql-test/r/ps.result
@@ -3790,6 +3790,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 flush status;
 execute st;
@@ -3803,6 +3804,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 flush status;
 select * from t1 use index() where a=3;
@@ -3816,6 +3818,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	8
 flush status;
 execute st;
@@ -3829,6 +3832,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 deallocate prepare st;
 drop table t1;
diff --git a/mysql-test/r/ps_11bugs.result b/mysql-test/r/ps_11bugs.result
index f9f0525646d..56894302505 100644
--- a/mysql-test/r/ps_11bugs.result
+++ b/mysql-test/r/ps_11bugs.result
@@ -121,8 +121,8 @@ insert into t1 values (1);
 explain select * from t1 where 3 in (select (1+1) union select 1);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	1	
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
-3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+3	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	
 select * from t1 where 3 in (select (1+1) union select 1);
 a
diff --git a/mysql-test/r/select.result b/mysql-test/r/select.result
index 7f035ca749a..d2e3594dfc6 100644
--- a/mysql-test/r/select.result
+++ b/mysql-test/r/select.result
@@ -2783,10 +2783,10 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
 explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+1	SIMPLE	t1	index	key1	key1	5	NULL	4	Using where; Using index
 explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+1	SIMPLE	t1	range	key1	key1	5	NULL	3	Using where; Using index
 select max(key1) from t1 where key1 <= 0.6158;
 max(key1)
 0.6158000230789185
@@ -2805,10 +2805,10 @@ max(key1)	min(key2)
 0.6158000230789185	1.3761999607086182
 select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
 max(key1)
-0.6158000230789185
+0.38449999690055847
 select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
 min(key1)
-0.37619999051094055
+0.38449999690055847
 DROP TABLE t1,t2;
 CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
 INSERT INTO t1 VALUES (10);
@@ -4346,6 +4346,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	6
 DROP TABLE t1, t2;
 CREATE TABLE t1 (f1 bigint(20) NOT NULL default '0',
diff --git a/mysql-test/r/select_jcl6.result b/mysql-test/r/select_jcl6.result
index 54eed1ebaae..f5aa02fe94c 100644
--- a/mysql-test/r/select_jcl6.result
+++ b/mysql-test/r/select_jcl6.result
@@ -2794,10 +2794,10 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
 explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+1	SIMPLE	t1	index	key1	key1	5	NULL	4	Using where; Using index
 explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+1	SIMPLE	t1	range	key1	key1	5	NULL	3	Using where; Using index
 select max(key1) from t1 where key1 <= 0.6158;
 max(key1)
 0.6158000230789185
@@ -2816,10 +2816,10 @@ max(key1)	min(key2)
 0.6158000230789185	1.3761999607086182
 select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
 max(key1)
-0.6158000230789185
+0.38449999690055847
 select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
 min(key1)
-0.37619999051094055
+0.38449999690055847
 DROP TABLE t1,t2;
 CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
 INSERT INTO t1 VALUES (10);
@@ -4357,7 +4357,8 @@ Handler_read_last	0
 Handler_read_next	10
 Handler_read_prev	0
 Handler_read_rnd	10
-Handler_read_rnd_next	7
+Handler_read_rnd_deleted	1
+Handler_read_rnd_next	6
 DROP TABLE t1, t2;
 CREATE TABLE t1 (f1 bigint(20) NOT NULL default '0',
 f2 int(11) NOT NULL default '0',
diff --git a/mysql-test/r/select_pkeycache.result b/mysql-test/r/select_pkeycache.result
index 7f035ca749a..d2e3594dfc6 100644
--- a/mysql-test/r/select_pkeycache.result
+++ b/mysql-test/r/select_pkeycache.result
@@ -2783,10 +2783,10 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
 explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+1	SIMPLE	t1	index	key1	key1	5	NULL	4	Using where; Using index
 explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+1	SIMPLE	t1	range	key1	key1	5	NULL	3	Using where; Using index
 select max(key1) from t1 where key1 <= 0.6158;
 max(key1)
 0.6158000230789185
@@ -2805,10 +2805,10 @@ max(key1)	min(key2)
 0.6158000230789185	1.3761999607086182
 select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
 max(key1)
-0.6158000230789185
+0.38449999690055847
 select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
 min(key1)
-0.37619999051094055
+0.38449999690055847
 DROP TABLE t1,t2;
 CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
 INSERT INTO t1 VALUES (10);
@@ -4346,6 +4346,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	6
 DROP TABLE t1, t2;
 CREATE TABLE t1 (f1 bigint(20) NOT NULL default '0',
diff --git a/mysql-test/r/single_delete_update.result b/mysql-test/r/single_delete_update.result
index 72419c6ec9d..d4534a2c2d8 100644
--- a/mysql-test/r/single_delete_update.result
+++ b/mysql-test/r/single_delete_update.result
@@ -29,6 +29,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 DELETE FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i LIMIT 5;
@@ -46,6 +47,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
 a	i
@@ -80,6 +82,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 FLUSH STATUS;
 DELETE FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i LIMIT 5;
@@ -97,6 +100,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	5
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
 a	i
@@ -128,6 +132,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 FLUSH STATUS;
 DELETE FROM t2 WHERE b = 10 ORDER BY a, c LIMIT 5;
@@ -145,6 +150,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 ## should be 5 (previous LIMIT)
 SELECT 1 - COUNT(*) FROM t2 WHERE b = 10;
@@ -180,6 +186,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 DELETE FROM t2 WHERE b = 10 ORDER BY a, c LIMIT 5;
@@ -197,6 +204,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 ## should be 5 (previous LIMIT)
 SELECT 257 - COUNT(*) FROM t2 WHERE b = 10;
@@ -226,6 +234,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 FLUSH STATUS;
 DELETE FROM t2 WHERE b = 10 ORDER BY a, c LIMIT 5;
@@ -243,6 +252,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 SELECT * FROM t2 WHERE b = 10 ORDER BY a, c;
 a	b	c	d
@@ -270,6 +280,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 FLUSH STATUS;
 DELETE FROM t2 WHERE b = 10 ORDER BY a, c LIMIT 5;
@@ -287,6 +298,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 SELECT * FROM t2 WHERE b = 10 ORDER BY a, c;
 a	b	c	d
@@ -317,6 +329,7 @@ Handler_read_last	0
 Handler_read_next	7
 Handler_read_prev	0
 Handler_read_rnd	4
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 EXPLAIN EXTENDED SELECT * FROM t2 WHERE key1 < 13 or key2 < 14 ORDER BY key1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
@@ -339,6 +352,7 @@ Handler_read_last	0
 Handler_read_next	7
 Handler_read_prev	0
 Handler_read_rnd	8
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 SELECT * FROM t2 WHERE key1 < 13 or key2 < 14 ORDER BY key1;
 i	key1	key2
@@ -375,6 +389,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 DELETE FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i DESC LIMIT 5;
@@ -392,6 +407,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
 a	i
@@ -426,6 +442,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 FLUSH STATUS;
 DELETE FROM t2 ORDER BY a, b DESC LIMIT 5;
@@ -443,6 +460,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	5
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 SELECT * FROM t2 ORDER BY a, b DESC;
 a	b	c
@@ -486,6 +504,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 SELECT * FROM t2 ORDER BY a DESC, b DESC LIMIT 5;
@@ -509,6 +528,7 @@ Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 DELETE FROM t2 ORDER BY a DESC, b DESC LIMIT 5;
@@ -526,6 +546,7 @@ Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 SELECT * FROM t2 WHERE c = 10 ORDER BY a DESC, b DESC;
 a	b	c
@@ -561,6 +582,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 UPDATE t2 SET a = 10 WHERE i > 10 AND i <= 18 ORDER BY i LIMIT 5;
@@ -578,6 +600,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	5
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
 a	i
@@ -617,6 +640,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 FLUSH STATUS;
 UPDATE t2 SET a = 10 WHERE i > 10 AND i <= 18 ORDER BY i LIMIT 5;
@@ -634,6 +658,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	5
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
 a	i
@@ -670,6 +695,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 FLUSH STATUS;
 UPDATE t2 SET d = 10 WHERE b = 10 ORDER BY a, c LIMIT 5;
@@ -687,6 +713,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 ## should be 5 (previous LIMIT)
 SELECT COUNT(*) FROM t2 WHERE b = 10 AND d = 10 ORDER BY a, c;
@@ -722,6 +749,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 UPDATE t2 SET d = 10 WHERE b = 10 ORDER BY a, c LIMIT 5;
@@ -739,6 +767,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	5
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 ## should be 5 (previous LIMIT)
 SELECT COUNT(*) FROM t2 WHERE b = 10 AND d = 10 ORDER BY a, c;
@@ -768,6 +797,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 FLUSH STATUS;
 UPDATE t2 SET d = 10 WHERE b = 10 ORDER BY a, c LIMIT 5;
@@ -785,6 +815,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 SELECT * FROM t2 WHERE b = 10 ORDER BY a, c;
 a	b	c	d
@@ -813,6 +844,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 FLUSH STATUS;
 UPDATE t2 SET d = 10 WHERE b = 10 ORDER BY a, c LIMIT 5;
@@ -830,6 +862,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 SELECT * FROM t2 WHERE b = 10 ORDER BY a, c;
 a	b	c	d
@@ -861,6 +894,7 @@ Handler_read_last	0
 Handler_read_next	7
 Handler_read_prev	0
 Handler_read_rnd	4
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 EXPLAIN EXTENDED SELECT * FROM t2 WHERE key1 < 13 or key2 < 14 ORDER BY key1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
@@ -883,6 +917,7 @@ Handler_read_last	0
 Handler_read_next	7
 Handler_read_prev	0
 Handler_read_rnd	8
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 SELECT * FROM t2 WHERE key1 < 13 or key2 < 14 ORDER BY key1;
 i	key1	key2
@@ -923,6 +958,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 UPDATE t2 SET a = 10 WHERE i > 10 AND i <= 18 ORDER BY i DESC LIMIT 5;
@@ -940,6 +976,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	5
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 SELECT * FROM t2 WHERE i > 10 AND i <= 18 ORDER BY i;
 a	i
@@ -979,6 +1016,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 FLUSH STATUS;
 UPDATE t2 SET c = 10 ORDER BY a, b DESC LIMIT 5;
@@ -996,6 +1034,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	5
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 SELECT * FROM t2 WHERE c = 10 ORDER BY a, b DESC;
 a	b	c
@@ -1033,6 +1072,7 @@ Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 SELECT * FROM t2 ORDER BY a DESC, b DESC LIMIT 5;
@@ -1056,6 +1096,7 @@ Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 FLUSH STATUS;
 UPDATE t2 SET c = 10 ORDER BY a DESC, b DESC LIMIT 5;
@@ -1073,6 +1114,7 @@ Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	5
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 SELECT * FROM t2 WHERE c = 10 ORDER BY a DESC, b DESC;
 a	b	c
diff --git a/mysql-test/r/status.result b/mysql-test/r/status.result
index 91a120313ae..0182ffac880 100644
--- a/mysql-test/r/status.result
+++ b/mysql-test/r/status.result
@@ -282,6 +282,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	7
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	23
 Handler_rollback	0
 Handler_savepoint	0
@@ -297,7 +298,35 @@ Created_tmp_files	0
 Created_tmp_tables	2
 Handler_tmp_update	2
 Handler_tmp_write	7
-Rows_tmp_read	35
+Rows_tmp_read	36
+drop table t1;
+CREATE TABLE t1 (i int(11) DEFAULT NULL, KEY i (i) ) ENGINE=MyISAM;
+insert into t1 values (1),(2),(3),(4),(5);
+flush status;
+select * from t1 where i=5 union select * from t1 where i=5;
+i
+5
+show status like "handler%";
+Variable_name	Value
+Handler_commit	0
+Handler_delete	0
+Handler_discover	0
+Handler_prepare	0
+Handler_read_first	0
+Handler_read_key	2
+Handler_read_last	0
+Handler_read_next	2
+Handler_read_prev	0
+Handler_read_rnd	0
+Handler_read_rnd_deleted	1
+Handler_read_rnd_next	2
+Handler_rollback	0
+Handler_savepoint	0
+Handler_savepoint_rollback	0
+Handler_tmp_update	0
+Handler_tmp_write	2
+Handler_update	0
+Handler_write	0
 drop table t1;
 set @@global.concurrent_insert= @old_concurrent_insert;
 SET GLOBAL log_output = @old_log_output;
diff --git a/mysql-test/r/status_user.result b/mysql-test/r/status_user.result
index cd8e5af3004..96edd1c4207 100644
--- a/mysql-test/r/status_user.result
+++ b/mysql-test/r/status_user.result
@@ -107,6 +107,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	5
 Handler_rollback	2
 Handler_savepoint	0
diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result
index 7d3877e678d..e7883c5801e 100644
--- a/mysql-test/r/subselect.result
+++ b/mysql-test/r/subselect.result
@@ -4620,6 +4620,13 @@ CREATE TABLE t1(a1 int);
 INSERT INTO t1 VALUES (1),(2);
 SELECT @@session.sql_mode INTO @old_sql_mode;
 SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+EXPLAIN EXTENDED
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+Warnings:
+Note	1003	select 1 AS `1` from `test`.`t1` where <nop>(<in_optimizer>(1,((select max(`test`.`t1`.`a1`) from `test`.`t1`) > 1)))
 SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
 1
 1
@@ -5322,7 +5329,6 @@ EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
 WHERE t1.a = d1.a;
 ERROR 42S22: Unknown column 'd1.a' in 'where clause'
 DROP TABLE t1;
-End of 5.1 tests.
 Set up test tables.
 CREATE TABLE t1 (
 t1_id INT UNSIGNED,
@@ -5847,10 +5853,161 @@ NULL
 NULL
 5
 DROP TABLE t1, t2, t3;
+#
+# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
+#
+CREATE TABLE t1(a1 int);
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2(a1 int);
+INSERT INTO t2 VALUES (3);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
+1
+1
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
+1
+1
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
+1
+1
+1
+SET SESSION sql_mode=@old_sql_mode;
+DROP TABLE t1, t2;
+create table t2(i int);
+insert into t2 values(0);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+CREATE VIEW v1 AS  
+SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
+;
+CREATE TABLE t1 (
+pk int NOT NULL,
+col_varchar_key varchar(1) DEFAULT NULL,
+PRIMARY KEY (pk),
+KEY col_varchar_key (col_varchar_key)
+);
+SELECT t1.pk
+FROM t1
+WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
+;
+pk
+SET SESSION sql_mode=@old_sql_mode;
+drop table t2, t1;
+drop view v1;
+#
+# BUG#50257: Missing info in REF column of the EXPLAIN 
+#            lines for subselects
+#
+CREATE TABLE t1 (a INT, b INT, INDEX (a));
+INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
+EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	a	a	5	const	1	
+EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	
+2	SUBQUERY	t1	ref	a	a	5	const	1	Using index
+DROP TABLE t1;
+#
+# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
+# (duplicate of LP bug #888456)
+#
+CREATE TABLE t1 (f1 varchar(1));
+INSERT INTO t1 VALUES ('v'),('s');
+CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
+INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
+('d'),('y'),('t'),('d'),('s');
+EXPLAIN
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	table1	ALL	NULL	NULL	NULL	NULL	2	
+1	PRIMARY	table2	index	NULL	f1_key	4	NULL	10	Using where; Using index; Using join buffer (flat, BNL join)
+2	DEPENDENT SUBQUERY	t2	index	f1_key	f1_key	4	NULL	10	Using where; Using index
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+f1	f1_key
+v	j
+s	j
+v	v
+s	v
+v	c
+s	c
+v	m
+s	m
+v	d
+s	d
+v	d
+s	d
+v	y
+s	y
+v	t
+s	t
+v	d
+s	d
+v	s
+s	s
+DROP TABLE t1,t2;
+#
+# LP bug 919427: EXPLAIN for a query over a single-row table 
+#                with IN subquery in WHERE condition
+# 
+CREATE TABLE ot (
+col_int_nokey int(11), 
+col_varchar_nokey varchar(1)
+) ;
+INSERT INTO ot VALUES (1,'x');
+CREATE TABLE it1(
+col_int_key int(11), 
+col_varchar_key varchar(1), 
+KEY idx_cvk_cik (col_varchar_key,col_int_key)
+);
+INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
+CREATE TABLE it2 (
+col_int_key int(11),
+col_varchar_key varchar(1),
+col_varchar_key2 varchar(1),
+KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
+KEY idx_cvk_cik (col_varchar_key, col_int_key)
+);
+INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
+EXPLAIN
+SELECT col_int_nokey FROM ot 
+WHERE col_varchar_nokey IN 
+(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	<subquery2>	eq_ref	distinct_key	distinct_key	5	func	1	
+2	MATERIALIZED	it1	ref	idx_cvk_cik	idx_cvk_cik	9	const,const	1	Using where; Using index
+SELECT col_int_nokey FROM ot 
+WHERE col_varchar_nokey IN 
+(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+col_int_nokey
+1
+EXPLAIN
+SELECT col_int_nokey FROM ot
+WHERE (col_varchar_nokey, 'x') IN
+(SELECT col_varchar_key, col_varchar_key2 FROM it2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	<subquery2>	eq_ref	distinct_key	distinct_key	10	func,func	1	
+2	MATERIALIZED	it2	ref	idx_cvk_cvk2_cik,idx_cvk_cik	idx_cvk_cvk2_cik	8	const,const	1	Using where; Using index
+SELECT col_int_nokey FROM ot
+WHERE (col_varchar_nokey, 'x') IN
+(SELECT col_varchar_key, col_varchar_key2 FROM it2);
+col_int_nokey
+1
+DROP TABLE ot,it1,it2;
 End of 5.2 tests
 #
 # BUG#779885: Crash in eliminate_item_equal with materialization=on in
-# maria-5.3
 #
 CREATE TABLE t1 ( f1 int );
 INSERT INTO t1 VALUES (19), (20);
@@ -5897,32 +6054,6 @@ b	c
 9	NULL
 SET optimizer_switch=@save_optimizer_switch;
 drop table t1, t2, t3;
-End of 5.3 tests
-#
-# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
-#
-CREATE TABLE t1(a1 int);
-INSERT INTO t1 VALUES (1),(2);
-CREATE TABLE t2(a1 int);
-INSERT INTO t2 VALUES (3);
-SELECT @@session.sql_mode INTO @old_sql_mode;
-SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
-1
-1
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
-1
-1
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
-1
-1
-1
-SET SESSION sql_mode=@old_sql_mode;
-DROP TABLE t1, t2;
 #
 # BUG#50257: Missing info in REF column of the EXPLAIN 
 #            lines for subselects
@@ -5945,6 +6076,54 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 
 DROP TABLE t1;
 #
+# Bug#11764086: Null left operand to NOT IN in WHERE clause
+# behaves differently than real NULL
+#
+CREATE TABLE parent (id int);
+INSERT INTO parent VALUES (1), (2);
+CREATE TABLE child (parent_id int, other int);
+INSERT INTO child VALUES (1,NULL);
+# Offending query (c.parent_id is NULL for null-complemented rows only)
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id NOT IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+);
+id	parent_id
+1	1
+2	NULL
+# Some syntactic variations with IS FALSE and IS NOT TRUE
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+) IS NOT TRUE;
+id	parent_id
+1	1
+2	NULL
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+) IS FALSE;
+id	parent_id
+1	1
+2	NULL
+DROP TABLE parent, child;
+# End of test for bug#11764086.
+#
 # Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET || 
 #                BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
 #
@@ -6283,5 +6462,14 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
 1
 NULL
 drop table t1,t2,t3;
+#
+# LP BUG#905353 Wrong non-empty result with a constant table,
+# aggregate function in subquery, MyISAM or Aria
+#
+CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1);
+SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
+a
+drop table t1;
 # return optimizer switch changed in the beginning of this test
 set optimizer_switch=@subselect_tmp;
diff --git a/mysql-test/r/subselect3.result b/mysql-test/r/subselect3.result
index 833d6f203c2..d5d75b68628 100644
--- a/mysql-test/r/subselect3.result
+++ b/mysql-test/r/subselect3.result
@@ -125,6 +125,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	50
 select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z;
 Z
diff --git a/mysql-test/r/subselect3_jcl6.result b/mysql-test/r/subselect3_jcl6.result
index 5d7fee48d87..d794d35cf1a 100644
--- a/mysql-test/r/subselect3_jcl6.result
+++ b/mysql-test/r/subselect3_jcl6.result
@@ -135,6 +135,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	50
 select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z;
 Z
@@ -1153,7 +1154,7 @@ insert into t4 select a from t3;
 explain select * from t3 where a in (select t1.kp1 from t1,t4 where kp1<20
 and t4.pk=t1.c);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	t1	range	kp1	kp1	5	NULL	48	Using index condition; Using where; Rowid-ordered scan; LooseScan
+1	PRIMARY	t1	range	kp1	kp1	5	NULL	48	Using index condition; Using where; LooseScan
 1	PRIMARY	t4	eq_ref	PRIMARY	PRIMARY	4	test.t1.c	1	Using index; FirstMatch(t1)
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	100	Using where; Using join buffer (flat, BNL join)
 drop table t1, t3, t4;
diff --git a/mysql-test/r/subselect4.result b/mysql-test/r/subselect4.result
index 1fd638fd42c..14c4254028d 100644
--- a/mysql-test/r/subselect4.result
+++ b/mysql-test/r/subselect4.result
@@ -711,7 +711,7 @@ EXPLAIN
 SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No matching min/max row
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No matching min/max row
 SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2);
 f1	f2
 SET @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off';
@@ -802,7 +802,7 @@ EXPLAIN
 SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No matching min/max row
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No matching min/max row
 SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2);
 f1	f2
 INSERT INTO t1 VALUES (1, 2);
@@ -897,7 +897,7 @@ EXPLAIN
 SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No matching min/max row
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No matching min/max row
 SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10);
 f1	f2
 SET @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off';
@@ -988,7 +988,7 @@ EXPLAIN
 SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No matching min/max row
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No matching min/max row
 SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10);
 f1	f2
 set @@optimizer_switch=@save_optimizer_switch;
diff --git a/mysql-test/r/subselect_cache.result b/mysql-test/r/subselect_cache.result
index d8ac44005f9..e38e8b42e9a 100644
--- a/mysql-test/r/subselect_cache.result
+++ b/mysql-test/r/subselect_cache.result
@@ -37,6 +37,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	31
 set optimizer_switch='subquery_cache=off';
 flush status;
@@ -64,6 +65,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	61
 set optimizer_switch='subquery_cache=on';
 #single value subquery test (where)
@@ -90,6 +92,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	31
 set optimizer_switch='subquery_cache=off';
 flush status;
@@ -115,6 +118,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	61
 set optimizer_switch='subquery_cache=on';
 #single value subquery test (having)
@@ -141,6 +145,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	31
 set optimizer_switch='subquery_cache=off';
 flush status;
@@ -166,6 +171,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	61
 set optimizer_switch='subquery_cache=on';
 #single value subquery test (OUTER JOIN ON)
@@ -264,6 +270,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	442
 set optimizer_switch='subquery_cache=off';
 flush status;
@@ -361,6 +368,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	472
 set optimizer_switch='subquery_cache=on';
 #single value subquery test (GROUP BY)
@@ -383,6 +391,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	4
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	36
 set optimizer_switch='subquery_cache=off';
 flush status;
@@ -404,6 +413,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	4
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	86
 set optimizer_switch='subquery_cache=on';
 #single value subquery test (distinct GROUP BY)
@@ -426,6 +436,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	4
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	41
 set optimizer_switch='subquery_cache=off';
 flush status;
@@ -447,6 +458,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	4
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	91
 set optimizer_switch='subquery_cache=on';
 #single value subquery test (ORDER BY)
@@ -475,6 +487,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	10
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	42
 set optimizer_switch='subquery_cache=off';
 flush status;
@@ -502,6 +515,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	10
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	72
 set optimizer_switch='subquery_cache=on';
 #single value subquery test (distinct ORDER BY)
@@ -524,7 +538,8 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	4
-Handler_read_rnd_next	37
+Handler_read_rnd_deleted	1
+Handler_read_rnd_next	36
 set optimizer_switch='subquery_cache=off';
 flush status;
 select distinct a from t1 ORDER BY (select d from t2 where b=c);
@@ -545,7 +560,8 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	4
-Handler_read_rnd_next	67
+Handler_read_rnd_deleted	1
+Handler_read_rnd_next	66
 set optimizer_switch='subquery_cache=on';
 #single value subquery test (LEFT JOIN ON)
 flush status;
@@ -643,6 +659,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	141
 set optimizer_switch='subquery_cache=off';
 flush status;
@@ -740,6 +757,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	671
 set optimizer_switch='subquery_cache=on';
 #single value subquery test (PS)
@@ -1364,6 +1382,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	145
 set optimizer_switch='subquery_cache=on';
 flush status;
@@ -1393,6 +1412,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	84
 #several subqueries (several levels)
 set optimizer_switch='subquery_cache=off';
@@ -1425,6 +1445,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	127
 set optimizer_switch='subquery_cache=on';
 flush status;
@@ -1454,6 +1475,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	69
 #clean up
 drop table t1,t2;
@@ -1644,6 +1666,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	8
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	57
 set optimizer_switch='subquery_cache=on';
 flush status;
@@ -1669,6 +1692,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	8
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	37
 argument of aggregate function as parameter of subquery (illegal use)
 set optimizer_switch='subquery_cache=off';
@@ -1695,6 +1719,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	8
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	57
 set optimizer_switch='subquery_cache=on';
 flush status;
@@ -1720,6 +1745,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	8
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	41
 drop table t1,t2;
 #test of flattening subquery optimisations and cache
@@ -1761,6 +1787,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	16
 alter table t2 drop primary key;
 set optimizer_switch='default,semijoin=off,materialization=off,subquery_cache=off';
@@ -1798,6 +1825,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	151
 set optimizer_switch='default,semijoin=off,materialization=off,subquery_cache=on';
 explain select * from t1 where a in (select pk from t2);
@@ -1834,6 +1862,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	43
 set optimizer_switch='default,semijoin=off,materialization=on,subquery_cache=on';
 explain select * from t1 where a in (select pk from t2);
@@ -1870,6 +1899,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	27
 drop table t0,t1,t2;
 set optimizer_switch='default';
diff --git a/mysql-test/r/subselect_mat.result b/mysql-test/r/subselect_mat.result
index 5c750e8b078..097e65fa94f 100644
--- a/mysql-test/r/subselect_mat.result
+++ b/mysql-test/r/subselect_mat.result
@@ -1793,7 +1793,7 @@ SELECT * FROM t1
 WHERE a IN ( SELECT MIN(a) FROM t1 );
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	1	100.00	
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
 Warnings:
 Note	1003	select 8 AS `a` from dual where <expr_cache><8>(<in_optimizer>(8,<exists>(select min(`test`.`t1`.`a`) from `test`.`t1` having (<cache>(8) = <ref_null_helper>(min(`test`.`t1`.`a`))))))
 DROP TABLE t1;
@@ -1811,6 +1811,43 @@ a	b	c
 4	4	2
 4	4	4
 DROP TABLE t1,t2;
+#
+# BUG#922254: Assertion `0' failed at item_cmpfunc.cc:5899: Item* Item_equal::get_first(JOIN_TAB*, Item*)
+#
+CREATE TABLE t1 ( a VARCHAR(3) );
+CREATE TABLE t2 ( b VARCHAR(3), c VARCHAR(8), KEY(c) );
+INSERT INTO t2 VALUES ('USA','Abilene'),('USA','Akron');
+EXPLAIN
+SELECT * FROM
+( SELECT * FROM t1 ) AS alias1,
+t2 AS alias2
+WHERE b = a AND a IN (
+SELECT alias3.c
+FROM t2 AS alias3, t2 AS alias4
+WHERE alias4.c = alias3.b
+);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+3	MATERIALIZED	alias3	ALL	NULL	NULL	NULL	NULL	2	
+3	MATERIALIZED	alias4	index	c	c	11	NULL	2	Using where; Using index; Using join buffer (flat, BNL join)
+DROP TABLE t1,t2;
+#
+# BUG#928048: Query containing IN subquery with OR in the where clause returns a wrong result
+#
+create table t1 (a int, b int);
+insert into t1 values (7,5), (3,3), (5,4), (9,3);
+create table t2 (a int, b int, index i_a(a));
+insert into t2 values
+(4,2), (7,9), (7,4), (3,1), (5,3), (3,1), (9,4), (8,1);
+explain select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	Using where
+2	MATERIALIZED	t2	ALL	i_a	NULL	NULL	NULL	8	Using where
+select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
+a	b
+7	5
+3	3
+drop table t1,t2;
 # This must be at the end:
 set optimizer_switch=@subselect_sj_mat_tmp;
 set join_cache_level=@save_join_cache_level;
diff --git a/mysql-test/r/subselect_no_mat.result b/mysql-test/r/subselect_no_mat.result
index 8ac856857eb..b515ea39f9e 100644
--- a/mysql-test/r/subselect_no_mat.result
+++ b/mysql-test/r/subselect_no_mat.result
@@ -4622,6 +4622,13 @@ CREATE TABLE t1(a1 int);
 INSERT INTO t1 VALUES (1),(2);
 SELECT @@session.sql_mode INTO @old_sql_mode;
 SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+EXPLAIN EXTENDED
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+Warnings:
+Note	1003	select 1 AS `1` from `test`.`t1` where <nop>(<in_optimizer>(1,((select max(`test`.`t1`.`a1`) from `test`.`t1`) > 1)))
 SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
 1
 1
@@ -5324,7 +5331,6 @@ EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
 WHERE t1.a = d1.a;
 ERROR 42S22: Unknown column 'd1.a' in 'where clause'
 DROP TABLE t1;
-End of 5.1 tests.
 Set up test tables.
 CREATE TABLE t1 (
 t1_id INT UNSIGNED,
@@ -5848,10 +5854,159 @@ NULL
 NULL
 5
 DROP TABLE t1, t2, t3;
+#
+# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
+#
+CREATE TABLE t1(a1 int);
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2(a1 int);
+INSERT INTO t2 VALUES (3);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
+1
+1
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
+1
+1
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
+1
+1
+1
+SET SESSION sql_mode=@old_sql_mode;
+DROP TABLE t1, t2;
+create table t2(i int);
+insert into t2 values(0);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+CREATE VIEW v1 AS  
+SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
+;
+CREATE TABLE t1 (
+pk int NOT NULL,
+col_varchar_key varchar(1) DEFAULT NULL,
+PRIMARY KEY (pk),
+KEY col_varchar_key (col_varchar_key)
+);
+SELECT t1.pk
+FROM t1
+WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
+;
+pk
+SET SESSION sql_mode=@old_sql_mode;
+drop table t2, t1;
+drop view v1;
+#
+# BUG#50257: Missing info in REF column of the EXPLAIN 
+#            lines for subselects
+#
+CREATE TABLE t1 (a INT, b INT, INDEX (a));
+INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
+EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	a	a	5	const	1	
+EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	
+2	SUBQUERY	t1	ref	a	a	5	const	1	Using index
+DROP TABLE t1;
+#
+# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
+# (duplicate of LP bug #888456)
+#
+CREATE TABLE t1 (f1 varchar(1));
+INSERT INTO t1 VALUES ('v'),('s');
+CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
+INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
+('d'),('y'),('t'),('d'),('s');
+EXPLAIN
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	table1	ALL	NULL	NULL	NULL	NULL	2	
+1	PRIMARY	table2	index	NULL	f1_key	4	NULL	10	Using where; Using index; Using join buffer (flat, BNL join)
+2	DEPENDENT SUBQUERY	t2	index	f1_key	f1_key	4	NULL	10	Using where; Using index
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+f1	f1_key
+v	j
+s	j
+v	v
+s	v
+v	c
+s	c
+v	m
+s	m
+v	d
+s	d
+v	d
+s	d
+v	y
+s	y
+v	t
+s	t
+v	d
+s	d
+v	s
+s	s
+DROP TABLE t1,t2;
+#
+# LP bug 919427: EXPLAIN for a query over a single-row table 
+#                with IN subquery in WHERE condition
+# 
+CREATE TABLE ot (
+col_int_nokey int(11), 
+col_varchar_nokey varchar(1)
+) ;
+INSERT INTO ot VALUES (1,'x');
+CREATE TABLE it1(
+col_int_key int(11), 
+col_varchar_key varchar(1), 
+KEY idx_cvk_cik (col_varchar_key,col_int_key)
+);
+INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
+CREATE TABLE it2 (
+col_int_key int(11),
+col_varchar_key varchar(1),
+col_varchar_key2 varchar(1),
+KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
+KEY idx_cvk_cik (col_varchar_key, col_int_key)
+);
+INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
+EXPLAIN
+SELECT col_int_nokey FROM ot 
+WHERE col_varchar_nokey IN 
+(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	it1	ref	idx_cvk_cik	idx_cvk_cik	9	const,const	1	Using where; Using index; FirstMatch(ot)
+SELECT col_int_nokey FROM ot 
+WHERE col_varchar_nokey IN 
+(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+col_int_nokey
+1
+EXPLAIN
+SELECT col_int_nokey FROM ot
+WHERE (col_varchar_nokey, 'x') IN
+(SELECT col_varchar_key, col_varchar_key2 FROM it2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	it2	ref	idx_cvk_cvk2_cik,idx_cvk_cik	idx_cvk_cvk2_cik	8	const,const	1	Using where; Using index; FirstMatch(ot)
+SELECT col_int_nokey FROM ot
+WHERE (col_varchar_nokey, 'x') IN
+(SELECT col_varchar_key, col_varchar_key2 FROM it2);
+col_int_nokey
+1
+DROP TABLE ot,it1,it2;
 End of 5.2 tests
 #
 # BUG#779885: Crash in eliminate_item_equal with materialization=on in
-# maria-5.3
 #
 CREATE TABLE t1 ( f1 int );
 INSERT INTO t1 VALUES (19), (20);
@@ -5898,32 +6053,6 @@ b	c
 9	NULL
 SET optimizer_switch=@save_optimizer_switch;
 drop table t1, t2, t3;
-End of 5.3 tests
-#
-# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
-#
-CREATE TABLE t1(a1 int);
-INSERT INTO t1 VALUES (1),(2);
-CREATE TABLE t2(a1 int);
-INSERT INTO t2 VALUES (3);
-SELECT @@session.sql_mode INTO @old_sql_mode;
-SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
-1
-1
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
-1
-1
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
-1
-1
-1
-SET SESSION sql_mode=@old_sql_mode;
-DROP TABLE t1, t2;
 #
 # BUG#50257: Missing info in REF column of the EXPLAIN 
 #            lines for subselects
@@ -5946,6 +6075,54 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 
 DROP TABLE t1;
 #
+# Bug#11764086: Null left operand to NOT IN in WHERE clause
+# behaves differently than real NULL
+#
+CREATE TABLE parent (id int);
+INSERT INTO parent VALUES (1), (2);
+CREATE TABLE child (parent_id int, other int);
+INSERT INTO child VALUES (1,NULL);
+# Offending query (c.parent_id is NULL for null-complemented rows only)
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id NOT IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+);
+id	parent_id
+1	1
+2	NULL
+# Some syntactic variations with IS FALSE and IS NOT TRUE
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+) IS NOT TRUE;
+id	parent_id
+1	1
+2	NULL
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+) IS FALSE;
+id	parent_id
+1	1
+2	NULL
+DROP TABLE parent, child;
+# End of test for bug#11764086.
+#
 # Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET || 
 #                BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
 #
@@ -6284,6 +6461,15 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
 1
 NULL
 drop table t1,t2,t3;
+#
+# LP BUG#905353 Wrong non-empty result with a constant table,
+# aggregate function in subquery, MyISAM or Aria
+#
+CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1);
+SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
+a
+drop table t1;
 # return optimizer switch changed in the beginning of this test
 set optimizer_switch=@subselect_tmp;
 set optimizer_switch=default;
diff --git a/mysql-test/r/subselect_no_opts.result b/mysql-test/r/subselect_no_opts.result
index 518f9366b80..c50ee1bac69 100644
--- a/mysql-test/r/subselect_no_opts.result
+++ b/mysql-test/r/subselect_no_opts.result
@@ -4618,6 +4618,13 @@ CREATE TABLE t1(a1 int);
 INSERT INTO t1 VALUES (1),(2);
 SELECT @@session.sql_mode INTO @old_sql_mode;
 SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+EXPLAIN EXTENDED
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+Warnings:
+Note	1003	select 1 AS `1` from `test`.`t1` where <nop>(<in_optimizer>(1,((select max(`test`.`t1`.`a1`) from `test`.`t1`) > 1)))
 SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
 1
 1
@@ -5320,7 +5327,6 @@ EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
 WHERE t1.a = d1.a;
 ERROR 42S22: Unknown column 'd1.a' in 'where clause'
 DROP TABLE t1;
-End of 5.1 tests.
 Set up test tables.
 CREATE TABLE t1 (
 t1_id INT UNSIGNED,
@@ -5844,10 +5850,159 @@ NULL
 NULL
 5
 DROP TABLE t1, t2, t3;
+#
+# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
+#
+CREATE TABLE t1(a1 int);
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2(a1 int);
+INSERT INTO t2 VALUES (3);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
+1
+1
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
+1
+1
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
+1
+1
+1
+SET SESSION sql_mode=@old_sql_mode;
+DROP TABLE t1, t2;
+create table t2(i int);
+insert into t2 values(0);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+CREATE VIEW v1 AS  
+SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
+;
+CREATE TABLE t1 (
+pk int NOT NULL,
+col_varchar_key varchar(1) DEFAULT NULL,
+PRIMARY KEY (pk),
+KEY col_varchar_key (col_varchar_key)
+);
+SELECT t1.pk
+FROM t1
+WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
+;
+pk
+SET SESSION sql_mode=@old_sql_mode;
+drop table t2, t1;
+drop view v1;
+#
+# BUG#50257: Missing info in REF column of the EXPLAIN 
+#            lines for subselects
+#
+CREATE TABLE t1 (a INT, b INT, INDEX (a));
+INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
+EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	a	a	5	const	1	
+EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	
+2	SUBQUERY	t1	ref	a	a	5	const	1	Using index
+DROP TABLE t1;
+#
+# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
+# (duplicate of LP bug #888456)
+#
+CREATE TABLE t1 (f1 varchar(1));
+INSERT INTO t1 VALUES ('v'),('s');
+CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
+INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
+('d'),('y'),('t'),('d'),('s');
+EXPLAIN
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	table1	ALL	NULL	NULL	NULL	NULL	2	
+1	PRIMARY	table2	index	NULL	f1_key	4	NULL	10	Using where; Using index; Using join buffer (flat, BNL join)
+2	DEPENDENT SUBQUERY	t2	index	f1_key	f1_key	4	NULL	10	Using where; Using index
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+f1	f1_key
+v	j
+s	j
+v	v
+s	v
+v	c
+s	c
+v	m
+s	m
+v	d
+s	d
+v	d
+s	d
+v	y
+s	y
+v	t
+s	t
+v	d
+s	d
+v	s
+s	s
+DROP TABLE t1,t2;
+#
+# LP bug 919427: EXPLAIN for a query over a single-row table 
+#                with IN subquery in WHERE condition
+# 
+CREATE TABLE ot (
+col_int_nokey int(11), 
+col_varchar_nokey varchar(1)
+) ;
+INSERT INTO ot VALUES (1,'x');
+CREATE TABLE it1(
+col_int_key int(11), 
+col_varchar_key varchar(1), 
+KEY idx_cvk_cik (col_varchar_key,col_int_key)
+);
+INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
+CREATE TABLE it2 (
+col_int_key int(11),
+col_varchar_key varchar(1),
+col_varchar_key2 varchar(1),
+KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
+KEY idx_cvk_cik (col_varchar_key, col_int_key)
+);
+INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
+EXPLAIN
+SELECT col_int_nokey FROM ot 
+WHERE col_varchar_nokey IN 
+(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot	system	NULL	NULL	NULL	NULL	1	
+2	DEPENDENT SUBQUERY	it1	index_subquery	idx_cvk_cik	idx_cvk_cik	9	func,const	2	Using index; Using where
+SELECT col_int_nokey FROM ot 
+WHERE col_varchar_nokey IN 
+(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+col_int_nokey
+1
+EXPLAIN
+SELECT col_int_nokey FROM ot
+WHERE (col_varchar_nokey, 'x') IN
+(SELECT col_varchar_key, col_varchar_key2 FROM it2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot	system	NULL	NULL	NULL	NULL	1	
+2	DEPENDENT SUBQUERY	it2	index_subquery	idx_cvk_cvk2_cik,idx_cvk_cik	idx_cvk_cvk2_cik	8	func,const	1	Using index; Using where
+SELECT col_int_nokey FROM ot
+WHERE (col_varchar_nokey, 'x') IN
+(SELECT col_varchar_key, col_varchar_key2 FROM it2);
+col_int_nokey
+1
+DROP TABLE ot,it1,it2;
 End of 5.2 tests
 #
 # BUG#779885: Crash in eliminate_item_equal with materialization=on in
-# maria-5.3
 #
 CREATE TABLE t1 ( f1 int );
 INSERT INTO t1 VALUES (19), (20);
@@ -5894,32 +6049,6 @@ b	c
 9	NULL
 SET optimizer_switch=@save_optimizer_switch;
 drop table t1, t2, t3;
-End of 5.3 tests
-#
-# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
-#
-CREATE TABLE t1(a1 int);
-INSERT INTO t1 VALUES (1),(2);
-CREATE TABLE t2(a1 int);
-INSERT INTO t2 VALUES (3);
-SELECT @@session.sql_mode INTO @old_sql_mode;
-SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
-1
-1
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
-1
-1
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
-1
-1
-1
-SET SESSION sql_mode=@old_sql_mode;
-DROP TABLE t1, t2;
 #
 # BUG#50257: Missing info in REF column of the EXPLAIN 
 #            lines for subselects
@@ -5942,6 +6071,54 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 
 DROP TABLE t1;
 #
+# Bug#11764086: Null left operand to NOT IN in WHERE clause
+# behaves differently than real NULL
+#
+CREATE TABLE parent (id int);
+INSERT INTO parent VALUES (1), (2);
+CREATE TABLE child (parent_id int, other int);
+INSERT INTO child VALUES (1,NULL);
+# Offending query (c.parent_id is NULL for null-complemented rows only)
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id NOT IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+);
+id	parent_id
+1	1
+2	NULL
+# Some syntactic variations with IS FALSE and IS NOT TRUE
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+) IS NOT TRUE;
+id	parent_id
+1	1
+2	NULL
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+) IS FALSE;
+id	parent_id
+1	1
+2	NULL
+DROP TABLE parent, child;
+# End of test for bug#11764086.
+#
 # Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET || 
 #                BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
 #
@@ -6280,6 +6457,15 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
 1
 NULL
 drop table t1,t2,t3;
+#
+# LP BUG#905353 Wrong non-empty result with a constant table,
+# aggregate function in subquery, MyISAM or Aria
+#
+CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1);
+SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
+a
+drop table t1;
 # return optimizer switch changed in the beginning of this test
 set optimizer_switch=@subselect_tmp;
 set @optimizer_switch_for_subselect_test=null;
diff --git a/mysql-test/r/subselect_no_scache.result b/mysql-test/r/subselect_no_scache.result
index 320e51da39e..3e2305ebe73 100644
--- a/mysql-test/r/subselect_no_scache.result
+++ b/mysql-test/r/subselect_no_scache.result
@@ -4626,6 +4626,13 @@ CREATE TABLE t1(a1 int);
 INSERT INTO t1 VALUES (1),(2);
 SELECT @@session.sql_mode INTO @old_sql_mode;
 SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+EXPLAIN EXTENDED
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+Warnings:
+Note	1003	select 1 AS `1` from `test`.`t1` where <nop>(<in_optimizer>(1,((select max(`test`.`t1`.`a1`) from `test`.`t1`) > 1)))
 SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
 1
 1
@@ -5328,7 +5335,6 @@ EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
 WHERE t1.a = d1.a;
 ERROR 42S22: Unknown column 'd1.a' in 'where clause'
 DROP TABLE t1;
-End of 5.1 tests.
 Set up test tables.
 CREATE TABLE t1 (
 t1_id INT UNSIGNED,
@@ -5853,10 +5859,161 @@ NULL
 NULL
 5
 DROP TABLE t1, t2, t3;
+#
+# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
+#
+CREATE TABLE t1(a1 int);
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2(a1 int);
+INSERT INTO t2 VALUES (3);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
+1
+1
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
+1
+1
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
+1
+1
+1
+SET SESSION sql_mode=@old_sql_mode;
+DROP TABLE t1, t2;
+create table t2(i int);
+insert into t2 values(0);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+CREATE VIEW v1 AS  
+SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
+;
+CREATE TABLE t1 (
+pk int NOT NULL,
+col_varchar_key varchar(1) DEFAULT NULL,
+PRIMARY KEY (pk),
+KEY col_varchar_key (col_varchar_key)
+);
+SELECT t1.pk
+FROM t1
+WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
+;
+pk
+SET SESSION sql_mode=@old_sql_mode;
+drop table t2, t1;
+drop view v1;
+#
+# BUG#50257: Missing info in REF column of the EXPLAIN 
+#            lines for subselects
+#
+CREATE TABLE t1 (a INT, b INT, INDEX (a));
+INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
+EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	a	a	5	const	1	
+EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	
+2	SUBQUERY	t1	ref	a	a	5	const	1	Using index
+DROP TABLE t1;
+#
+# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
+# (duplicate of LP bug #888456)
+#
+CREATE TABLE t1 (f1 varchar(1));
+INSERT INTO t1 VALUES ('v'),('s');
+CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
+INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
+('d'),('y'),('t'),('d'),('s');
+EXPLAIN
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	table1	ALL	NULL	NULL	NULL	NULL	2	
+1	PRIMARY	table2	index	NULL	f1_key	4	NULL	10	Using where; Using index; Using join buffer (flat, BNL join)
+2	DEPENDENT SUBQUERY	t2	index	f1_key	f1_key	4	NULL	10	Using where; Using index
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+f1	f1_key
+v	j
+s	j
+v	v
+s	v
+v	c
+s	c
+v	m
+s	m
+v	d
+s	d
+v	d
+s	d
+v	y
+s	y
+v	t
+s	t
+v	d
+s	d
+v	s
+s	s
+DROP TABLE t1,t2;
+#
+# LP bug 919427: EXPLAIN for a query over a single-row table 
+#                with IN subquery in WHERE condition
+# 
+CREATE TABLE ot (
+col_int_nokey int(11), 
+col_varchar_nokey varchar(1)
+) ;
+INSERT INTO ot VALUES (1,'x');
+CREATE TABLE it1(
+col_int_key int(11), 
+col_varchar_key varchar(1), 
+KEY idx_cvk_cik (col_varchar_key,col_int_key)
+);
+INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
+CREATE TABLE it2 (
+col_int_key int(11),
+col_varchar_key varchar(1),
+col_varchar_key2 varchar(1),
+KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
+KEY idx_cvk_cik (col_varchar_key, col_int_key)
+);
+INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
+EXPLAIN
+SELECT col_int_nokey FROM ot 
+WHERE col_varchar_nokey IN 
+(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	<subquery2>	eq_ref	distinct_key	distinct_key	5	func	1	
+2	MATERIALIZED	it1	ref	idx_cvk_cik	idx_cvk_cik	9	const,const	1	Using where; Using index
+SELECT col_int_nokey FROM ot 
+WHERE col_varchar_nokey IN 
+(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+col_int_nokey
+1
+EXPLAIN
+SELECT col_int_nokey FROM ot
+WHERE (col_varchar_nokey, 'x') IN
+(SELECT col_varchar_key, col_varchar_key2 FROM it2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	<subquery2>	eq_ref	distinct_key	distinct_key	10	func,func	1	
+2	MATERIALIZED	it2	ref	idx_cvk_cvk2_cik,idx_cvk_cik	idx_cvk_cvk2_cik	8	const,const	1	Using where; Using index
+SELECT col_int_nokey FROM ot
+WHERE (col_varchar_nokey, 'x') IN
+(SELECT col_varchar_key, col_varchar_key2 FROM it2);
+col_int_nokey
+1
+DROP TABLE ot,it1,it2;
 End of 5.2 tests
 #
 # BUG#779885: Crash in eliminate_item_equal with materialization=on in
-# maria-5.3
 #
 CREATE TABLE t1 ( f1 int );
 INSERT INTO t1 VALUES (19), (20);
@@ -5903,32 +6060,6 @@ b	c
 9	NULL
 SET optimizer_switch=@save_optimizer_switch;
 drop table t1, t2, t3;
-End of 5.3 tests
-#
-# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
-#
-CREATE TABLE t1(a1 int);
-INSERT INTO t1 VALUES (1),(2);
-CREATE TABLE t2(a1 int);
-INSERT INTO t2 VALUES (3);
-SELECT @@session.sql_mode INTO @old_sql_mode;
-SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
-1
-1
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
-1
-1
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
-1
-1
-1
-SET SESSION sql_mode=@old_sql_mode;
-DROP TABLE t1, t2;
 #
 # BUG#50257: Missing info in REF column of the EXPLAIN 
 #            lines for subselects
@@ -5951,6 +6082,54 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 
 DROP TABLE t1;
 #
+# Bug#11764086: Null left operand to NOT IN in WHERE clause
+# behaves differently than real NULL
+#
+CREATE TABLE parent (id int);
+INSERT INTO parent VALUES (1), (2);
+CREATE TABLE child (parent_id int, other int);
+INSERT INTO child VALUES (1,NULL);
+# Offending query (c.parent_id is NULL for null-complemented rows only)
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id NOT IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+);
+id	parent_id
+1	1
+2	NULL
+# Some syntactic variations with IS FALSE and IS NOT TRUE
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+) IS NOT TRUE;
+id	parent_id
+1	1
+2	NULL
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+) IS FALSE;
+id	parent_id
+1	1
+2	NULL
+DROP TABLE parent, child;
+# End of test for bug#11764086.
+#
 # Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET || 
 #                BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
 #
@@ -6289,6 +6468,15 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
 1
 NULL
 drop table t1,t2,t3;
+#
+# LP BUG#905353 Wrong non-empty result with a constant table,
+# aggregate function in subquery, MyISAM or Aria
+#
+CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1);
+SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
+a
+drop table t1;
 # return optimizer switch changed in the beginning of this test
 set optimizer_switch=@subselect_tmp;
 set optimizer_switch=default;
diff --git a/mysql-test/r/subselect_no_semijoin.result b/mysql-test/r/subselect_no_semijoin.result
index 0c41f612ae9..47368b1eca7 100644
--- a/mysql-test/r/subselect_no_semijoin.result
+++ b/mysql-test/r/subselect_no_semijoin.result
@@ -4618,6 +4618,13 @@ CREATE TABLE t1(a1 int);
 INSERT INTO t1 VALUES (1),(2);
 SELECT @@session.sql_mode INTO @old_sql_mode;
 SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+EXPLAIN EXTENDED
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+Warnings:
+Note	1003	select 1 AS `1` from `test`.`t1` where <nop>(<in_optimizer>(1,((select max(`test`.`t1`.`a1`) from `test`.`t1`) > 1)))
 SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
 1
 1
@@ -5320,7 +5327,6 @@ EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
 WHERE t1.a = d1.a;
 ERROR 42S22: Unknown column 'd1.a' in 'where clause'
 DROP TABLE t1;
-End of 5.1 tests.
 Set up test tables.
 CREATE TABLE t1 (
 t1_id INT UNSIGNED,
@@ -5844,10 +5850,159 @@ NULL
 NULL
 5
 DROP TABLE t1, t2, t3;
+#
+# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
+#
+CREATE TABLE t1(a1 int);
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2(a1 int);
+INSERT INTO t2 VALUES (3);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
+1
+1
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
+1
+1
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
+1
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
+1
+1
+1
+SET SESSION sql_mode=@old_sql_mode;
+DROP TABLE t1, t2;
+create table t2(i int);
+insert into t2 values(0);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+CREATE VIEW v1 AS  
+SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
+;
+CREATE TABLE t1 (
+pk int NOT NULL,
+col_varchar_key varchar(1) DEFAULT NULL,
+PRIMARY KEY (pk),
+KEY col_varchar_key (col_varchar_key)
+);
+SELECT t1.pk
+FROM t1
+WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
+;
+pk
+SET SESSION sql_mode=@old_sql_mode;
+drop table t2, t1;
+drop view v1;
+#
+# BUG#50257: Missing info in REF column of the EXPLAIN 
+#            lines for subselects
+#
+CREATE TABLE t1 (a INT, b INT, INDEX (a));
+INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
+EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	a	a	5	const	1	
+EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	
+2	SUBQUERY	t1	ref	a	a	5	const	1	Using index
+DROP TABLE t1;
+#
+# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
+# (duplicate of LP bug #888456)
+#
+CREATE TABLE t1 (f1 varchar(1));
+INSERT INTO t1 VALUES ('v'),('s');
+CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
+INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
+('d'),('y'),('t'),('d'),('s');
+EXPLAIN
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	table1	ALL	NULL	NULL	NULL	NULL	2	
+1	PRIMARY	table2	index	NULL	f1_key	4	NULL	10	Using where; Using index; Using join buffer (flat, BNL join)
+2	DEPENDENT SUBQUERY	t2	index	f1_key	f1_key	4	NULL	10	Using where; Using index
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+f1	f1_key
+v	j
+s	j
+v	v
+s	v
+v	c
+s	c
+v	m
+s	m
+v	d
+s	d
+v	d
+s	d
+v	y
+s	y
+v	t
+s	t
+v	d
+s	d
+v	s
+s	s
+DROP TABLE t1,t2;
+#
+# LP bug 919427: EXPLAIN for a query over a single-row table 
+#                with IN subquery in WHERE condition
+# 
+CREATE TABLE ot (
+col_int_nokey int(11), 
+col_varchar_nokey varchar(1)
+) ;
+INSERT INTO ot VALUES (1,'x');
+CREATE TABLE it1(
+col_int_key int(11), 
+col_varchar_key varchar(1), 
+KEY idx_cvk_cik (col_varchar_key,col_int_key)
+);
+INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
+CREATE TABLE it2 (
+col_int_key int(11),
+col_varchar_key varchar(1),
+col_varchar_key2 varchar(1),
+KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
+KEY idx_cvk_cik (col_varchar_key, col_int_key)
+);
+INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
+EXPLAIN
+SELECT col_int_nokey FROM ot 
+WHERE col_varchar_nokey IN 
+(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot	system	NULL	NULL	NULL	NULL	1	
+2	DEPENDENT SUBQUERY	it1	index_subquery	idx_cvk_cik	idx_cvk_cik	9	func,const	2	Using index; Using where
+SELECT col_int_nokey FROM ot 
+WHERE col_varchar_nokey IN 
+(SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+col_int_nokey
+1
+EXPLAIN
+SELECT col_int_nokey FROM ot
+WHERE (col_varchar_nokey, 'x') IN
+(SELECT col_varchar_key, col_varchar_key2 FROM it2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot	system	NULL	NULL	NULL	NULL	1	
+2	DEPENDENT SUBQUERY	it2	index_subquery	idx_cvk_cvk2_cik,idx_cvk_cik	idx_cvk_cvk2_cik	8	func,const	1	Using index; Using where
+SELECT col_int_nokey FROM ot
+WHERE (col_varchar_nokey, 'x') IN
+(SELECT col_varchar_key, col_varchar_key2 FROM it2);
+col_int_nokey
+1
+DROP TABLE ot,it1,it2;
 End of 5.2 tests
 #
 # BUG#779885: Crash in eliminate_item_equal with materialization=on in
-# maria-5.3
 #
 CREATE TABLE t1 ( f1 int );
 INSERT INTO t1 VALUES (19), (20);
@@ -5894,32 +6049,6 @@ b	c
 9	NULL
 SET optimizer_switch=@save_optimizer_switch;
 drop table t1, t2, t3;
-End of 5.3 tests
-#
-# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
-#
-CREATE TABLE t1(a1 int);
-INSERT INTO t1 VALUES (1),(2);
-CREATE TABLE t2(a1 int);
-INSERT INTO t2 VALUES (3);
-SELECT @@session.sql_mode INTO @old_sql_mode;
-SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
-1
-1
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
-1
-1
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
-1
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
-1
-1
-1
-SET SESSION sql_mode=@old_sql_mode;
-DROP TABLE t1, t2;
 #
 # BUG#50257: Missing info in REF column of the EXPLAIN 
 #            lines for subselects
@@ -5942,6 +6071,54 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 
 DROP TABLE t1;
 #
+# Bug#11764086: Null left operand to NOT IN in WHERE clause
+# behaves differently than real NULL
+#
+CREATE TABLE parent (id int);
+INSERT INTO parent VALUES (1), (2);
+CREATE TABLE child (parent_id int, other int);
+INSERT INTO child VALUES (1,NULL);
+# Offending query (c.parent_id is NULL for null-complemented rows only)
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id NOT IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+);
+id	parent_id
+1	1
+2	NULL
+# Some syntactic variations with IS FALSE and IS NOT TRUE
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+) IS NOT TRUE;
+id	parent_id
+1	1
+2	NULL
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+SELECT parent_id 
+FROM   child
+WHERE  parent_id = 3
+) IS FALSE;
+id	parent_id
+1	1
+2	NULL
+DROP TABLE parent, child;
+# End of test for bug#11764086.
+#
 # Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET || 
 #                BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
 #
@@ -6280,6 +6457,15 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
 1
 NULL
 drop table t1,t2,t3;
+#
+# LP BUG#905353 Wrong non-empty result with a constant table,
+# aggregate function in subquery, MyISAM or Aria
+#
+CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1);
+SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
+a
+drop table t1;
 # return optimizer switch changed in the beginning of this test
 set optimizer_switch=@subselect_tmp;
 set @optimizer_switch_for_subselect_test=null;
diff --git a/mysql-test/r/subselect_sj.result b/mysql-test/r/subselect_sj.result
index 8fcedc5807f..3bc1d1f4293 100644
--- a/mysql-test/r/subselect_sj.result
+++ b/mysql-test/r/subselect_sj.result
@@ -1231,6 +1231,364 @@ IN (SELECT t3.pk, t3.pk FROM t2 LEFT JOIN t3 ON t3.varchar_key)
 AND pk = 9;
 datetime_key
 DROP TABLE t1, t2, t3;
+# 
+# BUG#53060: LooseScan semijoin strategy does not return all rows
+# 
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=on,materialization=off';
+set optimizer_switch='firstmatch=off,loosescan=on';
+CREATE TABLE t1 (i INTEGER);
+INSERT INTO t1 VALUES (1), (2), (3), (4), (5);
+CREATE TABLE t2 (i INTEGER, j INTEGER, KEY k(i, j));
+INSERT INTO t2 VALUES (1, 0), (1, 1), (2, 0), (2, 1);
+EXPLAIN
+SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t2	index	k	k	10	NULL	4	Using where; Using index; LooseScan
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	5	Using where; Using join buffer (flat, BNL join)
+SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
+i
+1
+2
+DROP TABLE t1, t2;
+set optimizer_switch=@save_optimizer_switch;
+#
+# BUG#49453: re-execution of prepared statement with view 
+#            and semijoin crashes
+#
+CREATE TABLE t1 (city VARCHAR(50), country_id INT);
+CREATE TABLE t2 (country_id INT, country VARCHAR(50));
+INSERT INTO t1 VALUES 
+('Batna',2),('Bchar',2),('Skikda',2),('Tafuna',3),('Algeria',2) ;
+INSERT INTO t2 VALUES (2,'Algeria'),(2,'AlgeriaDup'),(3,'XAmerican Samoa');
+CREATE VIEW v1 AS 
+SELECT country_id as vf_country_id
+FROM t2
+WHERE LEFT(country,1) = "A";
+PREPARE stmt FROM "
+SELECT city, country_id
+FROM t1
+WHERE country_id IN (SELECT vf_country_id FROM v1);
+";
+
+EXECUTE stmt;
+city	country_id
+Batna	2
+Bchar	2
+Skikda	2
+Algeria	2
+EXECUTE stmt;
+city	country_id
+Batna	2
+Bchar	2
+Skikda	2
+Algeria	2
+DROP TABLE t1,t2;
+DROP VIEW v1;
+#
+# Bug#54437 Extra rows with LEFT JOIN + semijoin 
+#
+create table t1 (a int);
+create table t2 (a int);
+create table t3 (a int);
+insert into t1 values(1),(1);
+insert into t2 values(1),(1),(1),(1);
+insert into t3 values(2),(2);
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='materialization=off';
+set optimizer_switch='semijoin=off';
+explain
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	4	Using where
+2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	2	Using where
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+a
+1
+1
+set optimizer_switch='semijoin=on';
+explain
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	
+1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	4	Using where; Start temporary
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	2	Using where; End temporary
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+a
+1
+1
+set optimizer_switch=@save_optimizer_switch;
+drop table t1,t2,t3;
+#
+# Bug#55955: crash in MEMORY engine with IN(LEFT JOIN (JOIN))
+#
+CREATE TABLE t1 (a INT);
+CREATE TABLE t2 (a INT);
+CREATE TABLE t3 (a INT);
+INSERT INTO t1 VALUES(1),(1);
+INSERT INTO t2 VALUES(1),(1);
+INSERT INTO t3 VALUES(2),(2);
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=off,materialization=off';
+EXPLAIN
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	t2inner	ALL	NULL	NULL	NULL	NULL	2	
+2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	2	Using where
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+a
+1
+1
+set optimizer_switch='semijoin=off,materialization=on';
+EXPLAIN
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	MATERIALIZED	t2	ALL	NULL	NULL	NULL	NULL	2	
+2	MATERIALIZED	t2inner	ALL	NULL	NULL	NULL	NULL	2	
+2	MATERIALIZED	t3	ALL	NULL	NULL	NULL	NULL	2	Using where
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+a
+1
+1
+set optimizer_switch='semijoin=on,materialization=off';
+EXPLAIN
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	
+1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Start temporary
+1	PRIMARY	t2inner	ALL	NULL	NULL	NULL	NULL	2	
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	2	Using where; End temporary
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+a
+1
+1
+set optimizer_switch=@save_optimizer_switch;
+DROP TABLE t1,t2,t3;
+#
+# BUG#52329 - Wrong result: subquery materialization, IN, 
+#             non-null field followed by nullable
+#
+CREATE TABLE t1 (a1 CHAR(8) NOT NULL, a2 char(8) NOT NULL);
+CREATE TABLE t2a (b1 char(8), b2 char(8));
+CREATE TABLE t2b (b1 CHAR(8), b2 char(8) NOT NULL);
+CREATE TABLE t2c (b1 CHAR(8) NOT NULL, b2 char(8));
+INSERT INTO t1 VALUES ('1 - 12', '2 - 22');
+INSERT INTO t2a VALUES ('1 - 11', '2 - 21'),
+('1 - 11', '2 - 21'),
+('1 - 12', '2 - 22'),
+('1 - 12', '2 - 22'),
+('1 - 13', '2 - 23');
+INSERT INTO t2b SELECT * FROM t2a;
+INSERT INTO t2c SELECT * FROM t2a;
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=off,materialization=on';
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+SELECT b1, b2 FROM t2c WHERE b1 > '0' GROUP BY b1, b2);
+a1	a2
+1 - 12	2 - 22
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+SELECT b1, b2 FROM t2a WHERE b1 > '0');
+a1	a2
+1 - 12	2 - 22
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+SELECT b1, b2 FROM t2b WHERE b1 > '0');
+a1	a2
+1 - 12	2 - 22
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+SELECT b1, b2 FROM t2c WHERE b1 > '0');
+a1	a2
+1 - 12	2 - 22
+set optimizer_switch=@save_optimizer_switch;
+DROP TABLE t1,t2a,t2b,t2c;
+#
+# Bug#57623: subquery within before insert trigger causes crash (sj=on)
+#
+CREATE TABLE ot1(a INT);
+CREATE TABLE ot2(a INT);
+CREATE TABLE ot3(a INT);
+CREATE TABLE it1(a INT);
+INSERT INTO ot1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
+INSERT INTO ot2 VALUES(0),(2),(4),(6);
+INSERT INTO ot3 VALUES(0),(3),(6);
+INSERT INTO it1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=on';
+set optimizer_switch='materialization=off';
+explain SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot1	ALL	NULL	NULL	NULL	NULL	8	
+1	PRIMARY	ot3	ALL	NULL	NULL	NULL	NULL	3	Using where
+1	PRIMARY	ot2	ALL	NULL	NULL	NULL	NULL	4	Using where
+2	DEPENDENT SUBQUERY	it1	ALL	NULL	NULL	NULL	NULL	8	Using where
+SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
+a	a	a
+0	0	0
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+6	6	6
+7	NULL	NULL
+prepare s from 'SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1)';
+execute s;
+a	a	a
+0	0	0
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+6	6	6
+7	NULL	NULL
+execute s;
+a	a	a
+0	0	0
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+6	6	6
+7	NULL	NULL
+deallocate prepare s;
+set optimizer_switch='materialization=on';
+explain SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot1	ALL	NULL	NULL	NULL	NULL	8	
+1	PRIMARY	ot3	ALL	NULL	NULL	NULL	NULL	3	Using where
+1	PRIMARY	ot2	ALL	NULL	NULL	NULL	NULL	4	Using where
+2	MATERIALIZED	it1	ALL	NULL	NULL	NULL	NULL	8	
+SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
+a	a	a
+0	0	0
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+6	6	6
+7	NULL	NULL
+prepare s from 'SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1)';
+execute s;
+a	a	a
+0	0	0
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+6	6	6
+7	NULL	NULL
+execute s;
+a	a	a
+0	0	0
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+6	6	6
+7	NULL	NULL
+deallocate prepare s;
+set optimizer_switch=@save_optimizer_switch;
+DROP TABLE ot1, ot2, ot3, it1;
+#
+# Bug#59919/11766739: Crash in tmp_table_param::init() with semijoin=on
+#
+CREATE TABLE t1 (f1 INTEGER) ENGINE=MyISAM;
+CREATE TABLE t2 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
+CREATE TABLE t3 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1);
+INSERT INTO t2 VALUES (1,1), (2,1);
+INSERT INTO t3 VALUES 
+(1,1), (2,1), (5,4), (7,3), (8,2), (8,1), (7,3),
+(9,5), (4,3), (7,2), (7,7), (3,1), (5,8), (9,7);
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=off,materialization=on';
+EXPLAIN
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	14	Using where
+2	MATERIALIZED	t1	system	NULL	NULL	NULL	NULL	1	
+2	MATERIALIZED	b1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	MATERIALIZED	b2	ALL	NULL	NULL	NULL	NULL	2	
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+f1	f2
+1	1
+2	1
+8	1
+3	1
+set optimizer_switch='semijoin=on,materialization=on';
+EXPLAIN
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	1	
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	14	Using where; Using join buffer (flat, BNL join)
+2	MATERIALIZED	b1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	MATERIALIZED	b2	ALL	NULL	NULL	NULL	NULL	2	
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+f1	f2
+1	1
+2	1
+8	1
+3	1
+set optimizer_switch=@save_optimizer_switch;
+DROP TABLE t1, t2, t3 ;
+#
 #
 # BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3  
 #
@@ -2179,4 +2537,105 @@ WHERE c = b AND b = a
 a	COUNT(*)
 NULL	0
 DROP TABLE t1, t2, t3;
+#
+# BUG#920255: Wrong result (extra rows) with loosescan and IN subquery
+#
+CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, KEY(b) );
+INSERT INTO t1 VALUES
+(1,2),(2,1),(3,3),(4,2),(5,5),
+(6,3),(7,1),(8,4),(9,3),(10,2);
+CREATE TABLE t2 ( c INT, d INT, UNIQUE KEY(c) );
+INSERT INTO t2 VALUES
+(1,2),(2,1),(3,3),(4,2),(5,5),(6,3),(7,1);
+SELECT a, b, d FROM t1, t2
+WHERE ( b, d ) IN
+( SELECT b, d FROM t1, t2 WHERE b = c );
+a	b	d
+2	1	2
+7	1	2
+2	1	2
+7	1	2
+1	2	1
+4	2	1
+10	2	1
+1	2	1
+4	2	1
+10	2	1
+3	3	3
+6	3	3
+9	3	3
+3	3	3
+6	3	3
+9	3	3
+8	4	2
+8	4	2
+5	5	5
+DROP TABLE t1, t2;
+#
+# BUG#920713: Wrong result (missing rows) with firstmatch+BNL, IN subquery, ...
+#
+CREATE TABLE t1 ( a VARCHAR(1) ) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('e'),('w'),('a'),('h'),('x'),('k'),('g');
+CREATE TABLE t2 ( b INT, c VARCHAR(1) );
+INSERT INTO t2 VALUES (0,'j'),(8,'v');
+SELECT * FROM t1 alias1, t2 alias2
+WHERE alias2.c IN (
+SELECT alias4.c FROM t1 alias3, t2 alias4
+);
+a	b	c
+e	0	j
+e	8	v
+w	0	j
+w	8	v
+a	0	j
+a	8	v
+h	0	j
+h	8	v
+x	0	j
+x	8	v
+k	0	j
+k	8	v
+g	0	j
+g	8	v
+DROP TABLE t1, t2;
+#
+# BUG#923246: Loosescan reports different result than other semijoin methods
+#
+set @tmp_923246= @@optimizer_switch;
+set optimizer_switch='mrr=on,materialization=off';
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1 (kp1 int, kp2 int, c int, filler char(100), key(kp1, kp2));
+insert into t1 select A.a+10*(B.a+10*C.a), 0, 0, 'filler' from t0 A, t0 B, t0 C;
+insert into t1 select * from t1 where kp1 < 20;
+create table t3 (a int);
+insert into t3 select A.a + 10*B.a from t0 A, t0 B;
+select * from t3 where a in (select kp1 from t1 where kp1<20);
+a
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+explain select * from t3 where a in (select kp1 from t1 where kp1<20);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	range	kp1	kp1	5	NULL	48	Using where; Using index; LooseScan
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	100	Using where; Using join buffer (flat, BNL join)
+drop table t0,t1,t3;
+set optimizer_switch= @tmp_923246;
 set optimizer_switch=@subselect_sj_tmp;
diff --git a/mysql-test/r/subselect_sj2.result b/mysql-test/r/subselect_sj2.result
index 85a3b6971bd..2d8c189942e 100644
--- a/mysql-test/r/subselect_sj2.result
+++ b/mysql-test/r/subselect_sj2.result
@@ -886,5 +886,19 @@ a	b	b	a
 c	c	NULL	NULL
 DROP VIEW v1;
 DROP TABLE t1,t2,t3,t4;
+#
+# BUG#912538: Wrong result (missing rows) with semijoin=on, firstmatch=on, ...
+#
+CREATE TABLE t1 ( a INT NOT NULL, UNIQUE KEY(a) );
+INSERT INTO t1 VALUES (1),(2),(3),(4);
+CREATE TABLE t2 ( b INT, c INT ) ENGINE=InnoDB;
+INSERT INTO t2 VALUES (1,1);
+SELECT * FROM t1, t2 WHERE c IN (SELECT c FROM t1, t2 WHERE a = b);
+a	b	c
+1	1	1
+2	1	1
+3	1	1
+4	1	1
+DROP TABLE t1,t2;
 # This must be the last in the file:
 set optimizer_switch=@subselect_sj2_tmp;
diff --git a/mysql-test/r/subselect_sj2_jcl6.result b/mysql-test/r/subselect_sj2_jcl6.result
index b179a735f20..f2895662196 100644
--- a/mysql-test/r/subselect_sj2_jcl6.result
+++ b/mysql-test/r/subselect_sj2_jcl6.result
@@ -900,6 +900,20 @@ a	b	b	a
 c	c	NULL	NULL
 DROP VIEW v1;
 DROP TABLE t1,t2,t3,t4;
+#
+# BUG#912538: Wrong result (missing rows) with semijoin=on, firstmatch=on, ...
+#
+CREATE TABLE t1 ( a INT NOT NULL, UNIQUE KEY(a) );
+INSERT INTO t1 VALUES (1),(2),(3),(4);
+CREATE TABLE t2 ( b INT, c INT ) ENGINE=InnoDB;
+INSERT INTO t2 VALUES (1,1);
+SELECT * FROM t1, t2 WHERE c IN (SELECT c FROM t1, t2 WHERE a = b);
+a	b	c
+1	1	1
+2	1	1
+3	1	1
+4	1	1
+DROP TABLE t1,t2;
 # This must be the last in the file:
 set optimizer_switch=@subselect_sj2_tmp;
 #
@@ -921,9 +935,9 @@ SELECT t3.* FROM t1 JOIN t3 ON t3.b = t1.b
 WHERE c IN (SELECT t4.b FROM t4 JOIN t2);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	1	Using where
-1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	1	FirstMatch(t3)
 1	PRIMARY	t1	ref	b	b	4	test.t3.b	1	Using index
-1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	2	Using where; FirstMatch(t2)
+1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	2	Using where; FirstMatch(t1)
 SELECT t3.* FROM t1 JOIN t3 ON t3.b = t1.b
 WHERE c IN (SELECT t4.b FROM t4 JOIN t2);
 b	c
@@ -949,12 +963,13 @@ EXPLAIN
 SELECT * FROM t1, t2 WHERE b IN (SELECT a FROM t3, t4 WHERE b = pk);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	1	
-1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	1	Using where
+1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	1	Using where; FirstMatch(t2)
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	
-1	PRIMARY	t3	eq_ref	PRIMARY	PRIMARY	4	test.t4.b	1	Using where; FirstMatch(t4)
+1	PRIMARY	t3	eq_ref	PRIMARY	PRIMARY	4	test.t4.b	1	Using where; FirstMatch(t1)
 SELECT * FROM t1, t2 WHERE b IN (SELECT a FROM t3, t4 WHERE b = pk);
 pk	a	b
 1	6	8
+2	8	8
 set optimizer_switch=@tmp_optimizer_switch;
 set join_cache_level=default;
 DROP TABLE t1,t2,t3,t4;
diff --git a/mysql-test/r/subselect_sj2_mat.result b/mysql-test/r/subselect_sj2_mat.result
index 0284bab0972..3e68c9ebeb5 100644
--- a/mysql-test/r/subselect_sj2_mat.result
+++ b/mysql-test/r/subselect_sj2_mat.result
@@ -888,6 +888,20 @@ a	b	b	a
 c	c	NULL	NULL
 DROP VIEW v1;
 DROP TABLE t1,t2,t3,t4;
+#
+# BUG#912538: Wrong result (missing rows) with semijoin=on, firstmatch=on, ...
+#
+CREATE TABLE t1 ( a INT NOT NULL, UNIQUE KEY(a) );
+INSERT INTO t1 VALUES (1),(2),(3),(4);
+CREATE TABLE t2 ( b INT, c INT ) ENGINE=InnoDB;
+INSERT INTO t2 VALUES (1,1);
+SELECT * FROM t1, t2 WHERE c IN (SELECT c FROM t1, t2 WHERE a = b);
+a	b	c
+1	1	1
+2	1	1
+3	1	1
+4	1	1
+DROP TABLE t1,t2;
 # This must be the last in the file:
 set optimizer_switch=@subselect_sj2_tmp;
 set optimizer_switch=default;
diff --git a/mysql-test/r/subselect_sj_jcl6.result b/mysql-test/r/subselect_sj_jcl6.result
index 88acba0ebea..8bb262af7ca 100644
--- a/mysql-test/r/subselect_sj_jcl6.result
+++ b/mysql-test/r/subselect_sj_jcl6.result
@@ -1244,6 +1244,364 @@ IN (SELECT t3.pk, t3.pk FROM t2 LEFT JOIN t3 ON t3.varchar_key)
 AND pk = 9;
 datetime_key
 DROP TABLE t1, t2, t3;
+# 
+# BUG#53060: LooseScan semijoin strategy does not return all rows
+# 
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=on,materialization=off';
+set optimizer_switch='firstmatch=off,loosescan=on';
+CREATE TABLE t1 (i INTEGER);
+INSERT INTO t1 VALUES (1), (2), (3), (4), (5);
+CREATE TABLE t2 (i INTEGER, j INTEGER, KEY k(i, j));
+INSERT INTO t2 VALUES (1, 0), (1, 1), (2, 0), (2, 1);
+EXPLAIN
+SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t2	index	k	k	10	NULL	4	Using where; Using index; LooseScan
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	5	Using where; Using join buffer (flat, BNL join)
+SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
+i
+1
+2
+DROP TABLE t1, t2;
+set optimizer_switch=@save_optimizer_switch;
+#
+# BUG#49453: re-execution of prepared statement with view 
+#            and semijoin crashes
+#
+CREATE TABLE t1 (city VARCHAR(50), country_id INT);
+CREATE TABLE t2 (country_id INT, country VARCHAR(50));
+INSERT INTO t1 VALUES 
+('Batna',2),('Bchar',2),('Skikda',2),('Tafuna',3),('Algeria',2) ;
+INSERT INTO t2 VALUES (2,'Algeria'),(2,'AlgeriaDup'),(3,'XAmerican Samoa');
+CREATE VIEW v1 AS 
+SELECT country_id as vf_country_id
+FROM t2
+WHERE LEFT(country,1) = "A";
+PREPARE stmt FROM "
+SELECT city, country_id
+FROM t1
+WHERE country_id IN (SELECT vf_country_id FROM v1);
+";
+
+EXECUTE stmt;
+city	country_id
+Batna	2
+Bchar	2
+Skikda	2
+Algeria	2
+EXECUTE stmt;
+city	country_id
+Batna	2
+Bchar	2
+Skikda	2
+Algeria	2
+DROP TABLE t1,t2;
+DROP VIEW v1;
+#
+# Bug#54437 Extra rows with LEFT JOIN + semijoin 
+#
+create table t1 (a int);
+create table t2 (a int);
+create table t3 (a int);
+insert into t1 values(1),(1);
+insert into t2 values(1),(1),(1),(1);
+insert into t3 values(2),(2);
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='materialization=off';
+set optimizer_switch='semijoin=off';
+explain
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	4	Using where
+2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	2	Using where; Using join buffer (flat, BNL join)
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+a
+1
+1
+set optimizer_switch='semijoin=on';
+explain
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	
+1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	4	Using where; Start temporary; Using join buffer (flat, BNL join)
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	2	Using where; End temporary; Using join buffer (incremental, BNL join)
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+a
+1
+1
+set optimizer_switch=@save_optimizer_switch;
+drop table t1,t2,t3;
+#
+# Bug#55955: crash in MEMORY engine with IN(LEFT JOIN (JOIN))
+#
+CREATE TABLE t1 (a INT);
+CREATE TABLE t2 (a INT);
+CREATE TABLE t3 (a INT);
+INSERT INTO t1 VALUES(1),(1);
+INSERT INTO t2 VALUES(1),(1);
+INSERT INTO t3 VALUES(2),(2);
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=off,materialization=off';
+EXPLAIN
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	t2inner	ALL	NULL	NULL	NULL	NULL	2	Using join buffer (flat, BNL join)
+2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	2	Using where; Using join buffer (incremental, BNL join)
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+a
+1
+1
+set optimizer_switch='semijoin=off,materialization=on';
+EXPLAIN
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	MATERIALIZED	t2	ALL	NULL	NULL	NULL	NULL	2	
+2	MATERIALIZED	t2inner	ALL	NULL	NULL	NULL	NULL	2	Using join buffer (flat, BNL join)
+2	MATERIALIZED	t3	ALL	NULL	NULL	NULL	NULL	2	Using where; Using join buffer (incremental, BNL join)
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+a
+1
+1
+set optimizer_switch='semijoin=on,materialization=off';
+EXPLAIN
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	
+1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Start temporary; Using join buffer (flat, BNL join)
+1	PRIMARY	t2inner	ALL	NULL	NULL	NULL	NULL	2	Using join buffer (incremental, BNL join)
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	2	Using where; End temporary; Using join buffer (incremental, BNL join)
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+a
+1
+1
+set optimizer_switch=@save_optimizer_switch;
+DROP TABLE t1,t2,t3;
+#
+# BUG#52329 - Wrong result: subquery materialization, IN, 
+#             non-null field followed by nullable
+#
+CREATE TABLE t1 (a1 CHAR(8) NOT NULL, a2 char(8) NOT NULL);
+CREATE TABLE t2a (b1 char(8), b2 char(8));
+CREATE TABLE t2b (b1 CHAR(8), b2 char(8) NOT NULL);
+CREATE TABLE t2c (b1 CHAR(8) NOT NULL, b2 char(8));
+INSERT INTO t1 VALUES ('1 - 12', '2 - 22');
+INSERT INTO t2a VALUES ('1 - 11', '2 - 21'),
+('1 - 11', '2 - 21'),
+('1 - 12', '2 - 22'),
+('1 - 12', '2 - 22'),
+('1 - 13', '2 - 23');
+INSERT INTO t2b SELECT * FROM t2a;
+INSERT INTO t2c SELECT * FROM t2a;
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=off,materialization=on';
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+SELECT b1, b2 FROM t2c WHERE b1 > '0' GROUP BY b1, b2);
+a1	a2
+1 - 12	2 - 22
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+SELECT b1, b2 FROM t2a WHERE b1 > '0');
+a1	a2
+1 - 12	2 - 22
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+SELECT b1, b2 FROM t2b WHERE b1 > '0');
+a1	a2
+1 - 12	2 - 22
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+SELECT b1, b2 FROM t2c WHERE b1 > '0');
+a1	a2
+1 - 12	2 - 22
+set optimizer_switch=@save_optimizer_switch;
+DROP TABLE t1,t2a,t2b,t2c;
+#
+# Bug#57623: subquery within before insert trigger causes crash (sj=on)
+#
+CREATE TABLE ot1(a INT);
+CREATE TABLE ot2(a INT);
+CREATE TABLE ot3(a INT);
+CREATE TABLE it1(a INT);
+INSERT INTO ot1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
+INSERT INTO ot2 VALUES(0),(2),(4),(6);
+INSERT INTO ot3 VALUES(0),(3),(6);
+INSERT INTO it1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=on';
+set optimizer_switch='materialization=off';
+explain SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot1	ALL	NULL	NULL	NULL	NULL	8	
+1	PRIMARY	ot3	ALL	NULL	NULL	NULL	NULL	3	Using where; Using join buffer (flat, BNL join)
+1	PRIMARY	ot2	ALL	NULL	NULL	NULL	NULL	4	Using where; Using join buffer (incremental, BNL join)
+2	DEPENDENT SUBQUERY	it1	ALL	NULL	NULL	NULL	NULL	8	Using where
+SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
+a	a	a
+0	0	0
+6	6	6
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+7	NULL	NULL
+prepare s from 'SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1)';
+execute s;
+a	a	a
+0	0	0
+6	6	6
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+7	NULL	NULL
+execute s;
+a	a	a
+0	0	0
+6	6	6
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+7	NULL	NULL
+deallocate prepare s;
+set optimizer_switch='materialization=on';
+explain SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	ot1	ALL	NULL	NULL	NULL	NULL	8	
+1	PRIMARY	ot3	ALL	NULL	NULL	NULL	NULL	3	Using where; Using join buffer (flat, BNL join)
+1	PRIMARY	ot2	ALL	NULL	NULL	NULL	NULL	4	Using where; Using join buffer (incremental, BNL join)
+2	MATERIALIZED	it1	ALL	NULL	NULL	NULL	NULL	8	
+SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
+a	a	a
+0	0	0
+6	6	6
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+7	NULL	NULL
+prepare s from 'SELECT *
+FROM   ot1
+LEFT JOIN
+(ot2 JOIN ot3 on ot2.a=ot3.a)
+ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1)';
+execute s;
+a	a	a
+0	0	0
+6	6	6
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+7	NULL	NULL
+execute s;
+a	a	a
+0	0	0
+6	6	6
+1	NULL	NULL
+2	NULL	NULL
+3	NULL	NULL
+4	NULL	NULL
+5	NULL	NULL
+7	NULL	NULL
+deallocate prepare s;
+set optimizer_switch=@save_optimizer_switch;
+DROP TABLE ot1, ot2, ot3, it1;
+#
+# Bug#59919/11766739: Crash in tmp_table_param::init() with semijoin=on
+#
+CREATE TABLE t1 (f1 INTEGER) ENGINE=MyISAM;
+CREATE TABLE t2 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
+CREATE TABLE t3 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1);
+INSERT INTO t2 VALUES (1,1), (2,1);
+INSERT INTO t3 VALUES 
+(1,1), (2,1), (5,4), (7,3), (8,2), (8,1), (7,3),
+(9,5), (4,3), (7,2), (7,7), (3,1), (5,8), (9,7);
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=off,materialization=on';
+EXPLAIN
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	14	Using where
+2	MATERIALIZED	t1	system	NULL	NULL	NULL	NULL	1	
+2	MATERIALIZED	b1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	MATERIALIZED	b2	ALL	NULL	NULL	NULL	NULL	2	
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+f1	f2
+1	1
+2	1
+8	1
+3	1
+set optimizer_switch='semijoin=on,materialization=on';
+EXPLAIN
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	1	
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	14	Using where; Using join buffer (flat, BNL join)
+2	MATERIALIZED	b1	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	MATERIALIZED	b2	ALL	NULL	NULL	NULL	NULL	2	
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+f1	f2
+1	1
+2	1
+8	1
+3	1
+set optimizer_switch=@save_optimizer_switch;
+DROP TABLE t1, t2, t3 ;
+#
 #
 # BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3  
 #
@@ -2193,6 +2551,107 @@ WHERE c = b AND b = a
 a	COUNT(*)
 NULL	0
 DROP TABLE t1, t2, t3;
+#
+# BUG#920255: Wrong result (extra rows) with loosescan and IN subquery
+#
+CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, KEY(b) );
+INSERT INTO t1 VALUES
+(1,2),(2,1),(3,3),(4,2),(5,5),
+(6,3),(7,1),(8,4),(9,3),(10,2);
+CREATE TABLE t2 ( c INT, d INT, UNIQUE KEY(c) );
+INSERT INTO t2 VALUES
+(1,2),(2,1),(3,3),(4,2),(5,5),(6,3),(7,1);
+SELECT a, b, d FROM t1, t2
+WHERE ( b, d ) IN
+( SELECT b, d FROM t1, t2 WHERE b = c );
+a	b	d
+1	2	1
+1	2	1
+2	1	2
+2	1	2
+3	3	3
+3	3	3
+4	2	1
+4	2	1
+5	5	5
+6	3	3
+6	3	3
+7	1	2
+7	1	2
+8	4	2
+8	4	2
+9	3	3
+9	3	3
+10	2	1
+10	2	1
+DROP TABLE t1, t2;
+#
+# BUG#920713: Wrong result (missing rows) with firstmatch+BNL, IN subquery, ...
+#
+CREATE TABLE t1 ( a VARCHAR(1) ) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('e'),('w'),('a'),('h'),('x'),('k'),('g');
+CREATE TABLE t2 ( b INT, c VARCHAR(1) );
+INSERT INTO t2 VALUES (0,'j'),(8,'v');
+SELECT * FROM t1 alias1, t2 alias2
+WHERE alias2.c IN (
+SELECT alias4.c FROM t1 alias3, t2 alias4
+);
+a	b	c
+e	0	j
+e	8	v
+w	0	j
+w	8	v
+a	0	j
+a	8	v
+h	0	j
+h	8	v
+x	0	j
+x	8	v
+k	0	j
+k	8	v
+g	0	j
+g	8	v
+DROP TABLE t1, t2;
+#
+# BUG#923246: Loosescan reports different result than other semijoin methods
+#
+set @tmp_923246= @@optimizer_switch;
+set optimizer_switch='mrr=on,materialization=off';
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1 (kp1 int, kp2 int, c int, filler char(100), key(kp1, kp2));
+insert into t1 select A.a+10*(B.a+10*C.a), 0, 0, 'filler' from t0 A, t0 B, t0 C;
+insert into t1 select * from t1 where kp1 < 20;
+create table t3 (a int);
+insert into t3 select A.a + 10*B.a from t0 A, t0 B;
+select * from t3 where a in (select kp1 from t1 where kp1<20);
+a
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+explain select * from t3 where a in (select kp1 from t1 where kp1<20);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	range	kp1	kp1	5	NULL	48	Using where; Using index; LooseScan
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	100	Using where; Using join buffer (flat, BNL join)
+drop table t0,t1,t3;
+set optimizer_switch= @tmp_923246;
 set optimizer_switch=@subselect_sj_tmp;
 #
 # BUG#49129: Wrong result with IN-subquery with join_cache_level=6 and firstmatch=off
@@ -2274,6 +2733,35 @@ w	5	19:11:10
 set optimizer_switch=@save_optimizer_switch;
 set join_cache_level=default;
 DROP TABLE t1,t2,t3;
+#
+# BUG#912513: Wrong result (missing rows) with join_cache_hashed+materialization+semijoin=on
+#
+set @os_912513= @@optimizer_switch;
+set @jcl_912513= @@join_cache_level;
+SET optimizer_switch = 'semijoin=on,materialization=on,join_cache_hashed=on';
+SET join_cache_level = 3;
+CREATE TABLE t1 ( a INT, b INT, KEY(a) );
+INSERT INTO t1 VALUES
+(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7);
+CREATE TABLE t2 ( c INT );
+INSERT INTO t2 VALUES (1),(2),(3),(4),(5),(6),(7);
+SELECT alias1.* FROM
+t1 AS alias1 INNER JOIN t1 AS alias2
+ON alias2.a = alias1.b
+WHERE alias1.b IN (
+SELECT a FROM t1, t2
+);
+a	b
+1	1
+2	2
+3	3
+4	4
+5	5
+6	6
+7	7
+DROP table t1, t2;
+set @@optimizer_switch= @os_912513;
+set @@join_cache_level= @jcl_912513;
 # End
 set join_cache_level=default;
 show variables like 'join_cache_level';
diff --git a/mysql-test/r/subselect_sj_mat.result b/mysql-test/r/subselect_sj_mat.result
index ee8a365327c..b3a205eb071 100644
--- a/mysql-test/r/subselect_sj_mat.result
+++ b/mysql-test/r/subselect_sj_mat.result
@@ -1849,6 +1849,42 @@ a	b	c
 4	4	2
 4	4	4
 DROP TABLE t1,t2;
+#
+# BUG#922254: Assertion `0' failed at item_cmpfunc.cc:5899: Item* Item_equal::get_first(JOIN_TAB*, Item*)
+#
+CREATE TABLE t1 ( a VARCHAR(3) );
+CREATE TABLE t2 ( b VARCHAR(3), c VARCHAR(8), KEY(c) );
+INSERT INTO t2 VALUES ('USA','Abilene'),('USA','Akron');
+EXPLAIN
+SELECT * FROM
+( SELECT * FROM t1 ) AS alias1,
+t2 AS alias2
+WHERE b = a AND a IN (
+SELECT alias3.c
+FROM t2 AS alias3, t2 AS alias4
+WHERE alias4.c = alias3.b
+);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+DROP TABLE t1,t2;
+#
+# BUG#928048: Query containing IN subquery with OR in the where clause returns a wrong result
+#
+create table t1 (a int, b int);
+insert into t1 values (7,5), (3,3), (5,4), (9,3);
+create table t2 (a int, b int, index i_a(a));
+insert into t2 values
+(4,2), (7,9), (7,4), (3,1), (5,3), (3,1), (9,4), (8,1);
+explain select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	
+1	PRIMARY	<subquery2>	eq_ref	distinct_key	distinct_key	5	func	1	
+2	MATERIALIZED	t2	ALL	i_a	NULL	NULL	NULL	8	Using where
+select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
+a	b
+7	5
+3	3
+drop table t1,t2;
 # This must be at the end:
 set optimizer_switch=@subselect_sj_mat_tmp;
 set join_cache_level=@save_join_cache_level;
diff --git a/mysql-test/r/sum_distinct.result b/mysql-test/r/sum_distinct.result
index c615817f52d..2746f5a09f4 100644
--- a/mysql-test/r/sum_distinct.result
+++ b/mysql-test/r/sum_distinct.result
@@ -95,3 +95,15 @@ SELECT SUM(DISTINCT id % 11) FROM t1;
 SUM(DISTINCT id % 11)
 55
 DROP TABLE t1;
+#
+# Bug #777654: empty subselect in FROM clause returning  
+#              SUM(DISTINCT) over non-nullable field 
+#
+CREATE TABLE t1 (a int NOT NULL) ;
+SELECT SUM(DISTINCT a) FROM t1;
+SUM(DISTINCT a)
+NULL
+SELECT * FROM (SELECT SUM(DISTINCT a) FROM t1) AS t;
+SUM(DISTINCT a)
+NULL
+DROP TABLE t1;
diff --git a/mysql-test/r/update.result b/mysql-test/r/update.result
index 54170ae3dad..427374fd995 100644
--- a/mysql-test/r/update.result
+++ b/mysql-test/r/update.result
@@ -277,6 +277,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 flush status;
 update t1 set a=9999 order by a limit 1;
@@ -289,6 +290,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	2
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	9
 flush status;
 delete from t1 order by a limit 1;
@@ -300,6 +302,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 flush status;
 delete from t1 order by a desc limit 1;
@@ -311,6 +314,7 @@ Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 alter table t1 disable keys;
 flush status;
@@ -323,7 +327,8 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
-Handler_read_rnd_next	9
+Handler_read_rnd_deleted	2
+Handler_read_rnd_next	7
 select * from t1;
 a	b
 0	0
@@ -377,6 +382,7 @@ Handler_read_last	0
 Handler_read_next	1
 Handler_read_prev	0
 Handler_read_rnd	1
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 drop table t1, t2;
 create table t1(f1 int, `*f2` int);
@@ -415,6 +421,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 SELECT user_id FROM t1 WHERE request_id=999999999999999999999999999999;
 user_id
@@ -426,6 +433,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 UPDATE t1 SET user_id=null WHERE request_id=9999999999999;
 show status like '%Handler_read%';
@@ -436,6 +444,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 UPDATE t1 SET user_id=null WHERE request_id=999999999999999999999999999999;
 show status like '%Handler_read%';
@@ -446,6 +455,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 DROP TABLE t1;
 CREATE TABLE t1 (
diff --git a/mysql-test/r/view.result b/mysql-test/r/view.result
index f2d3820ff58..9b6ae60b3b5 100644
--- a/mysql-test/r/view.result
+++ b/mysql-test/r/view.result
@@ -304,7 +304,7 @@ a+1
 4
 explain select * from v1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	4	
+1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
 2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	4	Using filesort
 drop view v1;
 drop table t1;
@@ -4045,6 +4045,63 @@ drop table t1,t2;
 # -- End of 5.1 tests.
 # -----------------------------------------------------------------
 #
+# Bug #794005: crash in st_table::mark_virtual_columns_for_write
+#
+CREATE TABLE t1 (a int);
+insert into t1 values (1);
+CREATE TABLE t2 (a int);
+insert into t2 values (1);
+CREATE VIEW v2 AS SELECT * FROM t2;
+CREATE VIEW v1 AS SELECT * FROM v2;
+CREATE VIEW v3 AS SELECT t2.a,v1.a as b FROM t2,v1 where t2.a=v1.a;
+CREATE OR REPLACE ALGORITHM = TEMPTABLE VIEW v2 AS SELECT * FROM t1;
+UPDATE v1 SET a = 10;
+ERROR HY000: The target table v1 of the UPDATE is not updatable
+REPLACE v1 SET a = 10;
+ERROR HY000: The target table v1 of the INSERT is not insertable-into
+INSERT into v1 values (20);
+ERROR HY000: The target table v1 of the INSERT is not insertable-into
+DELETE from v1;
+ERROR HY000: The target table v1 of the DELETE is not updatable
+UPDATE v3 SET b= 10;
+ERROR HY000: The target table v2 of the UPDATE is not updatable
+REPLACE v3 SET b= 10;
+ERROR HY000: The target table v3 of the INSERT is not insertable-into
+INSERT into v3(b) values (20);
+ERROR HY000: The target table v3 of the INSERT is not insertable-into
+DELETE from v3 where b=20;
+ERROR HY000: Can not delete from join view 'test.v3'
+DELETE from v3 where a=20;
+ERROR HY000: Can not delete from join view 'test.v3'
+DELETE v1 from v1,t1 where v1.a=t1.a;
+ERROR HY000: The target table v1 of the DELETE is not updatable
+UPDATE v3 SET a = 10;
+REPLACE v3 SET a = 11;
+INSERT INTO v3(a) values (20);
+select * from t1;
+a
+1
+select * from t2;
+a
+10
+11
+20
+CREATE OR REPLACE ALGORITHM = MERGE VIEW v2 AS SELECT * FROM t2;
+DELETE from v1 where a=11;
+DELETE v1 from v1,t1 where v1.a=t1.a;
+select * from t1;
+a
+1
+select * from t2;
+a
+10
+20
+DROP VIEW v1,v2,v3;
+DROP TABLE t1,t2;
+# -----------------------------------------------------------------
+# -- End of 5.2 tests.
+# -----------------------------------------------------------------
+#
 # Bug #59696 Optimizer does not use equalities for conditions over view 
 #
 CREATE TABLE t1 (a int NOT NULL);
@@ -4075,6 +4132,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 CREATE VIEW v AS SELECT * FROM t2;
 EXPLAIN EXTENDED
@@ -4097,6 +4155,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	17
 DROP VIEW v;
 DROP TABLE t1, t2;
@@ -4569,4 +4628,7 @@ NULL	NULL	1	0
 NULL	NULL	1	0
 DROP VIEW v2;
 DROP TABLE t1, t2, t3;
+# -----------------------------------------------------------------
+# -- End of 5.3 tests.
+# -----------------------------------------------------------------
 SET optimizer_switch=@save_optimizer_switch;
diff --git a/mysql-test/suite/maria/r/maria-gis-recovery.result b/mysql-test/suite/maria/r/maria-gis-recovery.result
new file mode 100644
index 00000000000..d1088dd1ba0
--- /dev/null
+++ b/mysql-test/suite/maria/r/maria-gis-recovery.result
@@ -0,0 +1,66 @@
+set global aria_log_file_size=4294967295;
+Warnings:
+Warning	1292	Truncated incorrect aria_log_file_size value: '4294967295'
+drop database if exists mysqltest;
+create database mysqltest;
+use mysqltest;
+* shut down mysqld, removed logs, restarted it
+CREATE TABLE t1 (
+i int,
+shape GEOMETRY NOT NULL,
+SPATIAL (shape)
+) ENGINE=ARIA;
+insert into t1 values(1,POINT(1, 1));
+* copied t1 for feeding_recovery
+insert into t1 values(2,POINT(2, 2)), (3,POINT(3, 3)), (4,POINT(4, 4));
+flush table t1;
+* copied t1 for comparison
+SET SESSION debug_dbug="+d,maria_flush_whole_log,maria_crash";
+* crashing mysqld intentionally
+set global aria_checkpoint_interval=1;
+ERROR HY000: Lost connection to MySQL server during query
+* copied t1 back for feeding_recovery
+* recovery happens
+check table t1 extended;
+Table	Op	Msg_type	Msg_text
+mysqltest.t1	check	status	OK
+* testing that checksum after recovery is as expected
+Checksum-check
+ok
+use mysqltest;
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) DEFAULT NULL,
+  `shape` geometry NOT NULL,
+  SPATIAL KEY `shape` (`shape`)
+) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
+* TEST of UPDATE vs state.auto_increment
+* copied t1 for feeding_recovery
+update t1 set shape=POINT(5, 5) where i=2;
+flush table t1;
+* copied t1 for comparison
+SET SESSION debug_dbug="+d,maria_flush_whole_log,maria_crash";
+* crashing mysqld intentionally
+set global aria_checkpoint_interval=1;
+ERROR HY000: Lost connection to MySQL server during query
+* copied t1 back for feeding_recovery
+* recovery happens
+check table t1 extended;
+Table	Op	Msg_type	Msg_text
+mysqltest.t1	check	status	OK
+* testing that checksum after recovery is as expected
+Checksum-check
+ok
+use mysqltest;
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) DEFAULT NULL,
+  `shape` geometry NOT NULL,
+  SPATIAL KEY `shape` (`shape`)
+) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
+drop table t1;
+drop database mysqltest_for_feeding_recovery;
+drop database mysqltest_for_comparison;
+drop database mysqltest;
diff --git a/mysql-test/suite/maria/t/maria-gis-recovery.opt b/mysql-test/suite/maria/t/maria-gis-recovery.opt
new file mode 100644
index 00000000000..58d0d012c54
--- /dev/null
+++ b/mysql-test/suite/maria/t/maria-gis-recovery.opt
@@ -0,0 +1 @@
+--skip-stack-trace --skip-core-file --loose-aria-log-dir-path=$MYSQLTEST_VARDIR/tmp
diff --git a/mysql-test/suite/maria/t/maria-gis-recovery.test b/mysql-test/suite/maria/t/maria-gis-recovery.test
new file mode 100644
index 00000000000..c40cc3788de
--- /dev/null
+++ b/mysql-test/suite/maria/t/maria-gis-recovery.test
@@ -0,0 +1,64 @@
+--source include/not_embedded.inc
+# Don't test this under valgrind, memory leaks will occur as we crash
+--source include/not_valgrind.inc
+# Binary must be compiled with debug for crash to occur
+--source include/have_debug.inc
+--source include/have_maria.inc
+--source include/have_geometry.inc
+
+set global aria_log_file_size=4294967295;
+let $MARIA_LOG=../../tmp;
+
+--disable_warnings
+drop database if exists mysqltest;
+--enable_warnings
+create database mysqltest;
+let $mms_tname=t;
+
+# Include scripts can perform SQL. For it to not influence the main test
+# they use a separate connection. This way if they use a DDL it would
+# not autocommit in the main test.
+connect (admin, localhost, root,,mysqltest,,);
+--enable_reconnect
+
+connection default;
+use mysqltest;
+--enable_reconnect
+
+-- source include/maria_empty_logs.inc
+let $mms_tables=1;
+CREATE TABLE t1 (
+  i int,
+  shape GEOMETRY NOT NULL,
+  SPATIAL (shape)
+) ENGINE=ARIA;
+insert into t1 values(1,POINT(1, 1));
+-- source include/maria_make_snapshot_for_feeding_recovery.inc
+insert into t1 values(2,POINT(2, 2)), (3,POINT(3, 3)), (4,POINT(4, 4));
+-- source include/maria_make_snapshot_for_comparison.inc
+let $mvr_restore_old_snapshot=1;
+let $mms_compare_physically=0;
+let $mvr_debug_option="+d,maria_flush_whole_log,maria_crash";
+let $mvr_crash_statement= set global aria_checkpoint_interval=1;
+-- source include/maria_verify_recovery.inc
+show create table t1;
+
+# Test that UPDATE's effect on auto-increment is recovered
+--echo * TEST of UPDATE vs state.auto_increment
+-- source include/maria_make_snapshot_for_feeding_recovery.inc
+update t1 set shape=POINT(5, 5) where i=2;
+-- source include/maria_make_snapshot_for_comparison.inc
+let $mvr_restore_old_snapshot=1;
+let $mms_compare_physically=0;
+let $mvr_debug_option="+d,maria_flush_whole_log,maria_crash";
+let $mvr_crash_statement= set global aria_checkpoint_interval=1;
+-- source include/maria_verify_recovery.inc
+show create table t1;
+drop table t1;
+
+# clean up everything
+let $mms_purpose=feeding_recovery;
+eval drop database mysqltest_for_$mms_purpose;
+let $mms_purpose=comparison;
+eval drop database mysqltest_for_$mms_purpose;
+drop database mysqltest;
diff --git a/mysql-test/suite/pbxt/r/heap.result.THIS b/mysql-test/suite/pbxt/r/heap.result.THIS
deleted file mode 100644
index 0404e8b98f9..00000000000
--- a/mysql-test/suite/pbxt/r/heap.result.THIS
+++ /dev/null
@@ -1,733 +0,0 @@
-drop table if exists t1,t2,t3;
-create table t1 (a int not null,b int not null, primary key (a)) engine=heap comment="testing heaps" avg_row_length=100 min_rows=1 max_rows=100;
-insert into t1 values(1,1),(2,2),(3,3),(4,4);
-delete from t1 where a=1 or a=0;
-show keys from t1;
-Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
-t1	0	PRIMARY	1	a	NULL	3	NULL	NULL		HASH		
-select * from t1;
-a	b
-2	2
-3	3
-4	4
-select * from t1 where a=4;
-a	b
-4	4
-update t1 set b=5 where a=4;
-update t1 set b=b+1 where a>=3;
-replace t1 values (3,3);
-select * from t1;
-a	b
-2	2
-3	3
-4	6
-alter table t1 add c int not null, add key (c,a);
-drop table t1;
-create table t1 (a int not null,b int not null, primary key (a)) engine=memory comment="testing heaps";
-insert into t1 values(1,1),(2,2),(3,3),(4,4);
-delete from t1 where a > 0;
-select * from t1;
-a	b
-drop table t1;
-create table t1 (a int not null,b int not null, primary key (a)) engine=heap comment="testing heaps";
-insert into t1 values(1,1),(2,2),(3,3),(4,4);
-alter table t1 modify a int not null auto_increment, engine=myisam, comment="new myisam table";
-select * from t1;
-a	b
-1	1
-2	2
-3	3
-4	4
-drop table t1;
-create table t1 (a int not null) engine=heap;
-insert into t1 values (869751),(736494),(226312),(802616),(728912);
-select * from t1 where a > 736494;
-a
-869751
-802616
-alter table t1 add unique uniq_id(a);
-select * from t1 where a > 736494;
-a
-869751
-802616
-select * from t1 where a = 736494;
-a
-736494
-select * from t1 where a=869751 or a=736494;
-a
-736494
-869751
-select * from t1 where a in (869751,736494,226312,802616);
-a
-226312
-736494
-802616
-869751
-alter table t1 engine=myisam;
-explain select * from t1 where a in (869751,736494,226312,802616);
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	uniq_id	uniq_id	4	NULL	4	Using where; Using index
-drop table t1;
-create table t1 (x int not null, y int not null, key x (x), unique y (y))
-engine=heap;
-insert into t1 values (1,1),(2,2),(1,3),(2,4),(2,5),(2,6);
-select * from t1 where x=1;
-x	y
-1	3
-1	1
-select * from t1,t1 as t2 where t1.x=t2.y;
-x	y	x	y
-1	1	1	1
-2	2	2	2
-1	3	1	1
-2	4	2	2
-2	5	2	2
-2	6	2	2
-explain select * from t1,t1 as t2 where t1.x=t2.y;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	x	NULL	NULL	NULL	6	
-1	SIMPLE	t2	eq_ref	y	y	4	test.t1.x	1	
-drop table t1;
-create table t1 (a int) engine=heap;
-insert into t1 values(1);
-select max(a) from t1;
-max(a)
-1
-drop table t1;
-CREATE TABLE t1 ( a int not null default 0, b int not null default 0,  key(a),  key(b)  ) ENGINE=HEAP;
-insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
-select * from t1 where a=1;
-a	b
-1	6
-1	5
-1	4
-1	3
-1	2
-1	1
-insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
-select * from t1 where a=1;
-a	b
-1	6
-1	5
-1	4
-1	3
-1	2
-1	1
-1	6
-1	5
-1	4
-1	3
-1	2
-1	1
-drop table t1;
-create table t1 (id int unsigned not null, primary key (id)) engine=HEAP;
-insert into t1 values(1);
-select max(id) from t1;
-max(id)
-1
-insert into t1 values(2);
-select max(id) from t1;
-max(id)
-2
-replace into t1 values(1);
-drop table t1;
-create table t1 (n int) engine=heap;
-drop table t1;
-create table t1 (n int) engine=heap;
-drop table if exists t1;
-CREATE table t1(f1 int not null,f2 char(20) not 
-null,index(f2)) engine=heap;
-INSERT into t1 set f1=12,f2="bill";
-INSERT into t1 set f1=13,f2="bill";
-INSERT into t1 set f1=14,f2="bill";
-INSERT into t1 set f1=15,f2="bill";
-INSERT into t1 set f1=16,f2="ted";
-INSERT into t1 set f1=12,f2="ted";
-INSERT into t1 set f1=12,f2="ted";
-INSERT into t1 set f1=12,f2="ted";
-INSERT into t1 set f1=12,f2="ted";
-delete from t1 where f2="bill";
-select * from t1;
-f1	f2
-16	ted
-12	ted
-12	ted
-12	ted
-12	ted
-drop table t1;
-create table t1 (btn char(10) not null, key(btn)) engine=heap;
-insert into t1 values ("hello"),("hello"),("hello"),("hello"),("hello"),("a"),("b"),("c"),("d"),("e"),("f"),("g"),("h"),("i");
-explain select * from t1 where btn like "q%";
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	btn	NULL	NULL	NULL	14	Using where
-select * from t1 where btn like "q%";
-btn
-alter table t1 add column new_col char(1) not null, add key (btn,new_col), drop key btn;
-update t1 set new_col=left(btn,1);
-explain select * from t1 where btn="a";
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	btn	NULL	NULL	NULL	14	Using where
-explain select * from t1 where btn="a" and new_col="a";
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	btn	btn	11	const,const	2	Using where
-drop table t1;
-CREATE TABLE t1 (
-a int default NULL,
-b int default NULL,
-KEY a (a),
-UNIQUE b (b)
-) engine=heap;
-INSERT INTO t1 VALUES (NULL,99),(99,NULL),(1,1),(2,2),(1,3);
-SELECT * FROM t1 WHERE a=NULL;
-a	b
-explain SELECT * FROM t1 WHERE a IS NULL;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a	a	5	const	2	Using where
-SELECT * FROM t1 WHERE a<=>NULL;
-a	b
-NULL	99
-SELECT * FROM t1 WHERE b=NULL;
-a	b
-explain SELECT * FROM t1 WHERE b IS NULL;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	b	b	5	const	1	Using where
-SELECT * FROM t1 WHERE b<=>NULL;
-a	b
-99	NULL
-INSERT INTO t1 VALUES (1,3);
-ERROR 23000: Duplicate entry '3' for key 'b'
-DROP TABLE t1;
-CREATE TABLE t1 (
-a int default NULL,
-key a (a)
-) ENGINE=HEAP;
-INSERT INTO t1 VALUES (10), (10), (10);
-EXPLAIN SELECT * FROM t1 WHERE a=10;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a	a	5	const	3	
-SELECT * FROM t1 WHERE a=10;
-a
-10
-10
-10
-DROP TABLE t1;
-CREATE TABLE t1 (a int not null, primary key(a)) engine=heap;
-INSERT into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11);
-DELETE from t1 where a < 100;
-SELECT * from t1;
-a
-DROP TABLE t1;
-CREATE TABLE `job_titles` (
-`job_title_id` int(6) unsigned NOT NULL default '0',
-`job_title` char(18) NOT NULL default '',
-PRIMARY KEY  (`job_title_id`),
-UNIQUE KEY `job_title_id` (`job_title_id`,`job_title`)
-) ENGINE=HEAP;
-SELECT MAX(job_title_id) FROM job_titles;
-MAX(job_title_id)
-NULL
-DROP TABLE job_titles;
-CREATE TABLE t1 (a INT NOT NULL, B INT, KEY(B)) ENGINE=HEAP;
-INSERT INTO t1 VALUES(1,1), (1,NULL);
-SELECT * FROM t1 WHERE B is not null;
-a	B
-1	1
-DROP TABLE t1;
-CREATE TABLE t1 (pseudo char(35) PRIMARY KEY, date int(10) unsigned NOT NULL) ENGINE=HEAP;
-INSERT INTO t1 VALUES ('massecot',1101106491),('altec',1101106492),('stitch+',1101106304),('Seb Corgan',1101106305),('beerfilou',1101106263),('flaker',1101106529),('joce8',5),('M4vrick',1101106418),('gabay008',1101106525),('Vamp irX',1101106291),('ZoomZip',1101106546),('rip666',1101106502),('CBP ',1101106397),('guezpard',1101106496);
-DELETE FROM t1 WHERE date<1101106546;
-SELECT * FROM t1;
-pseudo	date
-ZoomZip	1101106546
-DROP TABLE t1;
-create table t1(a char(2)) engine=memory;
-insert into t1 values (NULL), (NULL);
-delete from t1 where a is null;
-insert into t1 values ('2'), ('3');
-select * from t1;
-a
-3
-2
-drop table t1;
-set storage_engine=HEAP;
-create table t1 (v varchar(10), c char(10), t varchar(50));
-insert into t1 values('+ ', '+ ', '+ ');
-set @a=repeat(' ',20);
-insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
-Warnings:
-Note	1265	Data truncated for column 'v' at row 1
-select concat('*',v,'*',c,'*',t,'*') from t1;
-concat('*',v,'*',c,'*',t,'*')
-*+ *+*+ *
-*+         *+*+                    *
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `v` varchar(10) DEFAULT NULL,
-  `c` char(10) DEFAULT NULL,
-  `t` varchar(50) DEFAULT NULL
-) ENGINE=MEMORY DEFAULT CHARSET=latin1
-create table t2 like t1;
-show create table t2;
-Table	Create Table
-t2	CREATE TABLE `t2` (
-  `v` varchar(10) DEFAULT NULL,
-  `c` char(10) DEFAULT NULL,
-  `t` varchar(50) DEFAULT NULL
-) ENGINE=MEMORY DEFAULT CHARSET=latin1
-create table t3 select * from t1;
-show create table t3;
-Table	Create Table
-t3	CREATE TABLE `t3` (
-  `v` varchar(10) DEFAULT NULL,
-  `c` char(10) DEFAULT NULL,
-  `t` varchar(50) DEFAULT NULL
-) ENGINE=MEMORY DEFAULT CHARSET=latin1
-alter table t1 modify c varchar(10);
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `v` varchar(10) DEFAULT NULL,
-  `c` varchar(10) DEFAULT NULL,
-  `t` varchar(50) DEFAULT NULL
-) ENGINE=MEMORY DEFAULT CHARSET=latin1
-alter table t1 modify v char(10);
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `v` char(10) DEFAULT NULL,
-  `c` varchar(10) DEFAULT NULL,
-  `t` varchar(50) DEFAULT NULL
-) ENGINE=MEMORY DEFAULT CHARSET=latin1
-alter table t1 modify t varchar(10);
-Warnings:
-Warning	1265	Data truncated for column 't' at row 2
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `v` char(10) DEFAULT NULL,
-  `c` varchar(10) DEFAULT NULL,
-  `t` varchar(10) DEFAULT NULL
-) ENGINE=MEMORY DEFAULT CHARSET=latin1
-select concat('*',v,'*',c,'*',t,'*') from t1;
-concat('*',v,'*',c,'*',t,'*')
-*+*+*+ *
-*+*+*+         *
-drop table t1,t2,t3;
-create table t1 (v varchar(10), c char(10), t varchar(50), key(v), key(c), key(t(10)));
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `v` varchar(10) DEFAULT NULL,
-  `c` char(10) DEFAULT NULL,
-  `t` varchar(50) DEFAULT NULL,
-  KEY `v` (`v`),
-  KEY `c` (`c`),
-  KEY `t` (`t`(10))
-) ENGINE=MEMORY DEFAULT CHARSET=latin1
-select count(*) from t1;
-count(*)
-270
-insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
-select count(*) from t1 where v='a';
-count(*)
-10
-select count(*) from t1 where c='a';
-count(*)
-10
-select count(*) from t1 where t='a';
-count(*)
-10
-select count(*) from t1 where v='a  ';
-count(*)
-10
-select count(*) from t1 where c='a  ';
-count(*)
-10
-select count(*) from t1 where t='a  ';
-count(*)
-10
-select count(*) from t1 where v between 'a' and 'a ';
-count(*)
-10
-select count(*) from t1 where v between 'a' and 'a ' and v between 'a  ' and 'b\n';
-count(*)
-10
-select count(*) from t1 where v like 'a%';
-count(*)
-11
-select count(*) from t1 where c like 'a%';
-count(*)
-11
-select count(*) from t1 where t like 'a%';
-count(*)
-11
-select count(*) from t1 where v like 'a %';
-count(*)
-9
-explain select count(*) from t1 where v='a  ';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	v	v	13	const	10	Using where
-explain select count(*) from t1 where c='a  ';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	c	c	11	const	10	Using where
-explain select count(*) from t1 where t='a  ';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	t	t	13	const	10	Using where
-explain select count(*) from t1 where v like 'a%';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	v	NULL	NULL	NULL	271	Using where
-explain select count(*) from t1 where v between 'a' and 'a ';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	v	v	13	const	10	Using where
-explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a  ' and 'b\n';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	v	v	13	const	10	Using where
-alter table t1 add unique(v);
-ERROR 23000: Duplicate entry '{ ' for key 'v_2'
-select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a' order by length(concat('*',v,'*',c,'*',t,'*'));
-qq
-*a*a*a*
-*a *a*a *
-*a  *a*a  *
-*a   *a*a   *
-*a    *a*a    *
-*a     *a*a     *
-*a      *a*a      *
-*a       *a*a       *
-*a        *a*a        *
-*a         *a*a         *
-explain select * from t1 where v='a';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	v	v	13	const	10	Using where
-select v,count(*) from t1 group by v limit 10;
-v	count(*)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-select v,count(t) from t1 group by v limit 10;
-v	count(t)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-select v,count(c) from t1 group by v limit 10;
-v	count(c)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-select sql_big_result trim(v),count(t) from t1 group by v limit 10;
-trim(v)	count(t)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-select sql_big_result trim(v),count(c) from t1 group by v limit 10;
-trim(v)	count(c)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-select c,count(*) from t1 group by c limit 10;
-c	count(*)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-select c,count(t) from t1 group by c limit 10;
-c	count(t)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-select sql_big_result c,count(t) from t1 group by c limit 10;
-c	count(t)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-select t,count(*) from t1 group by t limit 10;
-t	count(*)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-select t,count(t) from t1 group by t limit 10;
-t	count(t)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-select sql_big_result trim(t),count(t) from t1 group by t limit 10;
-trim(t)	count(t)
-a
	1
-a	10
-b	10
-c	10
-d	10
-e	10
-f	10
-g	10
-h	10
-i	10
-drop table t1;
-create table t1 (a char(10), unique (a));
-insert into t1 values ('a');
-insert into t1 values ('a ');
-ERROR 23000: Duplicate entry 'a' for key 'a'
-alter table t1 modify a varchar(10);
-insert into t1 values ('a '),('a  '),('a   '),('a         ');
-ERROR 23000: Duplicate entry 'a ' for key 'a'
-insert into t1 values ('a     ');
-ERROR 23000: Duplicate entry 'a     ' for key 'a'
-insert into t1 values ('a          ');
-ERROR 23000: Duplicate entry 'a         ' for key 'a'
-insert into t1 values ('a ');
-ERROR 23000: Duplicate entry 'a ' for key 'a'
-update t1 set a='a      ' where a like 'a ';
-update t1 set a='a  ' where a like 'a      ';
-drop table t1;
-create table t1 (v varchar(10), c char(10), t varchar(50), key using btree (v), key using btree (c), key using btree (t(10)));
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `v` varchar(10) DEFAULT NULL,
-  `c` char(10) DEFAULT NULL,
-  `t` varchar(50) DEFAULT NULL,
-  KEY `v` (`v`) USING BTREE,
-  KEY `c` (`c`) USING BTREE,
-  KEY `t` (`t`(10)) USING BTREE
-) ENGINE=MEMORY DEFAULT CHARSET=latin1
-select count(*) from t1;
-count(*)
-270
-insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
-select count(*) from t1 where v='a';
-count(*)
-10
-select count(*) from t1 where c='a';
-count(*)
-10
-select count(*) from t1 where t='a';
-count(*)
-10
-select count(*) from t1 where v='a  ';
-count(*)
-10
-select count(*) from t1 where c='a  ';
-count(*)
-10
-select count(*) from t1 where t='a  ';
-count(*)
-10
-select count(*) from t1 where v between 'a' and 'a ';
-count(*)
-10
-select count(*) from t1 where v between 'a' and 'a ' and v between 'a  ' and 'b\n';
-count(*)
-10
-explain select count(*) from t1 where v='a  ';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	v	v	13	const	#	Using where
-explain select count(*) from t1 where c='a  ';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	c	c	11	const	#	Using where
-explain select count(*) from t1 where t='a  ';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	t	t	13	const	#	Using where
-explain select count(*) from t1 where v like 'a%';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	v	v	13	NULL	#	Using where
-explain select count(*) from t1 where v between 'a' and 'a ';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	v	v	13	const	#	Using where
-explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a  ' and 'b\n';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	v	v	13	const	#	Using where
-alter table t1 add unique(v);
-ERROR 23000: Duplicate entry '{ ' for key 'v_2'
-select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a' order by length(concat('*',v,'*',c,'*',t,'*'));
-qq
-*a*a*a*
-*a *a*a *
-*a  *a*a  *
-*a   *a*a   *
-*a    *a*a    *
-*a     *a*a     *
-*a      *a*a      *
-*a       *a*a       *
-*a        *a*a        *
-*a         *a*a         *
-explain select * from t1 where v='a';
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	v	v	13	const	#	Using where
-drop table t1;
-create table t1 (a char(10), unique using btree (a)) engine=heap;
-insert into t1 values ('a');
-insert into t1 values ('a ');
-ERROR 23000: Duplicate entry 'a' for key 'a'
-alter table t1 modify a varchar(10);
-insert into t1 values ('a '),('a  '),('a   '),('a         ');
-ERROR 23000: Duplicate entry 'a ' for key 'a'
-insert into t1 values ('a     ');
-ERROR 23000: Duplicate entry 'a     ' for key 'a'
-insert into t1 values ('a          ');
-ERROR 23000: Duplicate entry 'a         ' for key 'a'
-insert into t1 values ('a ');
-ERROR 23000: Duplicate entry 'a ' for key 'a'
-update t1 set a='a      ' where a like 'a ';
-update t1 set a='a  ' where a like 'a      ';
-drop table t1;
-create table t1 (v varchar(10), c char(10), t varchar(50), key(v(5)), key(c(5)), key(t(5)));
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `v` varchar(10) DEFAULT NULL,
-  `c` char(10) DEFAULT NULL,
-  `t` varchar(50) DEFAULT NULL,
-  KEY `v` (`v`(5)),
-  KEY `c` (`c`(5)),
-  KEY `t` (`t`(5))
-) ENGINE=MEMORY DEFAULT CHARSET=latin1
-drop table t1;
-create table t1 (v varchar(65530), key(v(10)));
-show create table t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `v` varchar(65530) DEFAULT NULL,
-  KEY `v` (`v`(10))
-) ENGINE=MEMORY DEFAULT CHARSET=latin1
-insert into t1 values(repeat('a',65530));
-select length(v) from t1 where v=repeat('a',65530);
-length(v)
-65530
-drop table t1;
-set storage_engine=PBXT;
-create table t1 (a bigint unsigned auto_increment primary key, b int,
-key (b, a)) engine=heap;
-insert t1 (b) values (1),(1),(1),(1),(1),(1),(1),(1);
-select * from t1;
-a	b
-1	1
-2	1
-3	1
-4	1
-5	1
-6	1
-7	1
-8	1
-drop table t1;
-create table t1 (a int not null, b int not null auto_increment,
-primary key(a, b), key(b)) engine=heap;
-insert t1 (a) values (1),(1),(1),(1),(1),(1),(1),(1);
-select * from t1;
-a	b
-1	1
-1	2
-1	3
-1	4
-1	5
-1	6
-1	7
-1	8
-drop table t1;
-create table t1 (a int not null, b int not null auto_increment,
-primary key(a, b)) engine=heap;
-ERROR 42000: Incorrect table definition; there can be only one auto column and it must be defined as a key
-create table t1 (c char(255), primary key(c(90)));
-insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
-insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
-ERROR 23000: Duplicate entry 'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl' for key 'PRIMARY'
-drop table t1;
-CREATE TABLE t1 (a int, key(a)) engine=heap;
-insert into t1 values (0);
-delete from t1;
-select * from t1;
-a
-insert into t1 values (0), (1);
-select * from t1 where a = 0;
-a
-0
-drop table t1;
-create table t1 (c char(10)) engine=memory;
-create table t2 (c varchar(10)) engine=memory;
-show table status like 't_';
-Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
-t1	MEMORY	10	Fixed	0	11	0	#	0	0	NULL	#	NULL	NULL	latin1_swedish_ci	NULL		
-t2	MEMORY	10	Fixed	0	12	0	#	0	0	NULL	#	NULL	NULL	latin1_swedish_ci	NULL		
-drop table t1, t2;
-CREATE TABLE t1(a VARCHAR(1), b VARCHAR(2), c VARCHAR(256),
-KEY(a), KEY(b), KEY(c)) ENGINE=MEMORY;
-INSERT INTO t1 VALUES('a','aa',REPEAT('a', 256)),('a','aa',REPEAT('a',256));
-SELECT COUNT(*) FROM t1 WHERE a='a';
-COUNT(*)
-2
-SELECT COUNT(*) FROM t1 WHERE b='aa';
-COUNT(*)
-2
-SELECT COUNT(*) FROM t1 WHERE c=REPEAT('a',256);
-COUNT(*)
-2
-DROP TABLE t1;
diff --git a/mysql-test/suite/pbxt/r/null_key.result b/mysql-test/suite/pbxt/r/null_key.result
index 7ef554af946..a997cf913c9 100644
--- a/mysql-test/suite/pbxt/r/null_key.result
+++ b/mysql-test/suite/pbxt/r/null_key.result
@@ -428,5 +428,6 @@ Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	5
 DROP TABLE t1,t2,t3,t4;
diff --git a/mysql-test/suite/pbxt/r/ps_11bugs.result b/mysql-test/suite/pbxt/r/ps_11bugs.result
index dd09e9d14f3..5a2743436e1 100644
--- a/mysql-test/suite/pbxt/r/ps_11bugs.result
+++ b/mysql-test/suite/pbxt/r/ps_11bugs.result
@@ -121,8 +121,8 @@ insert into t1 values (1);
 explain select * from t1 where 3 in (select (1+1) union select 1);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t1	index	NULL	PRIMARY	4	NULL	1	Using index
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
-3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+3	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	
 select * from t1 where 3 in (select (1+1) union select 1);
 a
diff --git a/mysql-test/suite/pbxt/r/select.result b/mysql-test/suite/pbxt/r/select.result
index a3ed13f3de0..18ffdd30abe 100644
--- a/mysql-test/suite/pbxt/r/select.result
+++ b/mysql-test/suite/pbxt/r/select.result
@@ -2789,10 +2789,10 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
 explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+1	SIMPLE	t1	index	key1	key1	5	NULL	4	Using where; Using index
 explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+1	SIMPLE	t1	index	key1	key1	5	NULL	4	Using where; Using index
 select max(key1) from t1 where key1 <= 0.6158;
 max(key1)
 0.6158000230789185
@@ -2811,10 +2811,18 @@ max(key1)	min(key2)
 0.6158000230789185	1.3761999607086182
 select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
 max(key1)
+<<<<<<< TREE
 0.6158000230789185
+=======
+0.384499996900558
+>>>>>>> MERGE-SOURCE
 select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
 min(key1)
+<<<<<<< TREE
 0.37619999051094055
+=======
+0.384499996900558
+>>>>>>> MERGE-SOURCE
 DROP TABLE t1,t2;
 CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
 INSERT INTO t1 VALUES (10);
diff --git a/mysql-test/suite/pbxt/r/update.result b/mysql-test/suite/pbxt/r/update.result
index 13d50071bfd..83b284b794d 100644
--- a/mysql-test/suite/pbxt/r/update.result
+++ b/mysql-test/suite/pbxt/r/update.result
@@ -277,6 +277,7 @@ Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 flush status;
 update t1 set a=9999 order by a limit 1;
@@ -292,6 +293,21 @@ Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	2
+<<<<<<< TREE
+=======
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	18
+flush status;
+delete from t1 order by a limit 1;
+show status like 'handler_read%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	0
+Handler_read_next	0
+Handler_read_prev	0
+Handler_read_rnd	1
+Handler_read_rnd_deleted	0
+>>>>>>> MERGE-SOURCE
 Handler_read_rnd_next	9
 flush status;
 delete from t1 order by a limit 1;
@@ -313,8 +329,14 @@ Handler_read_key	0
 Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	0
+<<<<<<< TREE
 Handler_read_rnd	0
 Handler_read_rnd_next	0
+=======
+Handler_read_rnd	1
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	8
+>>>>>>> MERGE-SOURCE
 alter table t1 disable keys;
 Warnings:
 Note	1031	Table storage engine for 't1' doesn't have this option
@@ -327,8 +349,14 @@ Handler_read_key	0
 Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
+<<<<<<< TREE
 Handler_read_rnd	0
 Handler_read_rnd_next	0
+=======
+Handler_read_rnd	1
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	7
+>>>>>>> MERGE-SOURCE
 select * from t1;
 a	b
 0	0
@@ -382,6 +410,7 @@ Handler_read_last	0
 Handler_read_next	1
 Handler_read_prev	0
 Handler_read_rnd	1
+Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
 drop table t1, t2;
 create table t1(f1 int, `*f2` int);
diff --git a/mysql-test/suite/pbxt/r/view_grant.result.THIS b/mysql-test/suite/pbxt/r/view_grant.result.THIS
deleted file mode 100644
index cef441efc77..00000000000
--- a/mysql-test/suite/pbxt/r/view_grant.result.THIS
+++ /dev/null
@@ -1,959 +0,0 @@
-drop database if exists mysqltest;
-drop view if exists v1,v2,v3;
-grant create view on test.* to test@localhost;
-show grants for test@localhost;
-Grants for test@localhost
-GRANT USAGE ON *.* TO 'test'@'localhost'
-GRANT CREATE VIEW ON `test`.* TO 'test'@'localhost'
-revoke create view on test.* from test@localhost;
-show grants for test@localhost;
-Grants for test@localhost
-GRANT USAGE ON *.* TO 'test'@'localhost'
-drop user test@localhost;
-create database mysqltest;
-create table mysqltest.t1 (a int, b int);
-create table mysqltest.t2 (a int, b int);
-grant select on mysqltest.t1 to mysqltest_1@localhost;
-grant create view,select on test.* to mysqltest_1@localhost;
-create definer=root@localhost view v1 as select * from mysqltest.t1;
-ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
-create view v1 as select * from mysqltest.t1;
-alter view v1 as select * from mysqltest.t1;
-ERROR 42000: DROP command denied to user 'mysqltest_1'@'localhost' for table 'v1'
-create or replace view v1 as select * from mysqltest.t1;
-ERROR 42000: DROP command denied to user 'mysqltest_1'@'localhost' for table 'v1'
-create view mysqltest.v2  as select * from mysqltest.t1;
-ERROR 42000: CREATE VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v2'
-create view v2 as select * from mysqltest.t2;
-ERROR 42000: ANY command denied to user 'mysqltest_1'@'localhost' for table 't2'
-show create view v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`mysqltest_1`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `mysqltest`.`t1`.`a` AS `a`,`mysqltest`.`t1`.`b` AS `b` from `mysqltest`.`t1`	latin1	latin1_swedish_ci
-grant create view,drop,select on test.* to mysqltest_1@localhost;
-use test;
-alter view v1 as select * from mysqltest.t1;
-create or replace view v1 as select * from mysqltest.t1;
-revoke all privileges on mysqltest.t1 from mysqltest_1@localhost;
-revoke all privileges on test.* from mysqltest_1@localhost;
-drop database mysqltest;
-drop view test.v1;
-create database mysqltest;
-create table mysqltest.t1 (a int, b int);
-create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
-grant select (c) on mysqltest.v1 to mysqltest_1@localhost;
-select c from mysqltest.v1;
-c
-select d from mysqltest.v1;
-ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'd' in table 'v1'
-revoke all privileges on mysqltest.v1 from mysqltest_1@localhost;
-delete from mysql.user where user='mysqltest_1';
-drop database mysqltest;
-create database mysqltest;
-create table mysqltest.t1 (a int, b int);
-create algorithm=temptable view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
-grant select (c) on mysqltest.v1 to mysqltest_1@localhost;
-select c from mysqltest.v1;
-c
-select d from mysqltest.v1;
-ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'd' in table 'v1'
-revoke all privileges on mysqltest.v1 from mysqltest_1@localhost;
-delete from mysql.user where user='mysqltest_1';
-drop database mysqltest;
-create database mysqltest;
-create table mysqltest.t1 (a int, b int);
-create table mysqltest.t2 (a int, b int);
-create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
-create algorithm=temptable view mysqltest.v2 (c,d) as select a+1,b+1 from mysqltest.t1;
-create view mysqltest.v3 (c,d) as select a+1,b+1 from mysqltest.t2;
-create algorithm=temptable view mysqltest.v4 (c,d) as select a+1,b+1 from mysqltest.t2;
-grant select on mysqltest.v1 to mysqltest_1@localhost;
-grant select on mysqltest.v2 to mysqltest_1@localhost;
-grant select on mysqltest.v3 to mysqltest_1@localhost;
-grant select on mysqltest.v4 to mysqltest_1@localhost;
-select c from mysqltest.v1;
-c
-select c from mysqltest.v2;
-c
-select c from mysqltest.v3;
-c
-select c from mysqltest.v4;
-c
-show columns from mysqltest.v1;
-Field	Type	Null	Key	Default	Extra
-c	bigint(12)	YES		NULL	
-d	bigint(12)	YES		NULL	
-show columns from mysqltest.v2;
-Field	Type	Null	Key	Default	Extra
-c	bigint(12)	YES		NULL	
-d	bigint(12)	YES		NULL	
-explain select c from mysqltest.v1;
-ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create view mysqltest.v1;
-ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
-explain select c from mysqltest.v2;
-ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create view mysqltest.v2;
-ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v2'
-explain select c from mysqltest.v3;
-ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create view mysqltest.v3;
-ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v3'
-explain select c from mysqltest.v4;
-ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create view mysqltest.v4;
-ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v4'
-grant select on mysqltest.t1 to mysqltest_1@localhost;
-explain select c from mysqltest.v1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	0	
-show create view mysqltest.v1;
-ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
-explain select c from mysqltest.v2;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
-2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	0	
-show create view mysqltest.v2;
-ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v2'
-explain select c from mysqltest.v3;
-ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create view mysqltest.v3;
-ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v3'
-explain select c from mysqltest.v4;
-ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create view mysqltest.v4;
-ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v4'
-grant show view on mysqltest.* to mysqltest_1@localhost;
-explain select c from mysqltest.v1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	0	
-show create view mysqltest.v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest`.`v1` AS select (`mysqltest`.`t1`.`a` + 1) AS `c`,(`mysqltest`.`t1`.`b` + 1) AS `d` from `mysqltest`.`t1`	latin1	latin1_swedish_ci
-explain select c from mysqltest.v2;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
-2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	0	
-show create view mysqltest.v2;
-View	Create View	character_set_client	collation_connection
-v2	CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest`.`v2` AS select (`mysqltest`.`t1`.`a` + 1) AS `c`,(`mysqltest`.`t1`.`b` + 1) AS `d` from `mysqltest`.`t1`	latin1	latin1_swedish_ci
-explain select c from mysqltest.v3;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	0	
-show create view mysqltest.v3;
-View	Create View	character_set_client	collation_connection
-v3	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest`.`v3` AS select (`mysqltest`.`t2`.`a` + 1) AS `c`,(`mysqltest`.`t2`.`b` + 1) AS `d` from `mysqltest`.`t2`	latin1	latin1_swedish_ci
-explain select c from mysqltest.v4;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
-2	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	0	
-show create view mysqltest.v4;
-View	Create View	character_set_client	collation_connection
-v4	CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest`.`v4` AS select (`mysqltest`.`t2`.`a` + 1) AS `c`,(`mysqltest`.`t2`.`b` + 1) AS `d` from `mysqltest`.`t2`	latin1	latin1_swedish_ci
-revoke all privileges on mysqltest.* from mysqltest_1@localhost;
-delete from mysql.user where user='mysqltest_1';
-drop database mysqltest;
-create database mysqltest;
-create table mysqltest.t1 (a int, b int, primary key(a));
-insert into mysqltest.t1 values (10,2), (20,3), (30,4), (40,5), (50,10);
-create table mysqltest.t2 (x int);
-insert into mysqltest.t2 values (3), (4), (5), (6);
-create view mysqltest.v1 (a,c) as select a, b+1 from mysqltest.t1;
-create view mysqltest.v2 (a,c) as select a, b from mysqltest.t1;
-create view mysqltest.v3 (a,c) as select a, b+1 from mysqltest.t1;
-grant update (a) on mysqltest.v2 to mysqltest_1@localhost;
-grant update on mysqltest.v1 to mysqltest_1@localhost;
-grant select on mysqltest.* to mysqltest_1@localhost;
-use mysqltest;
-update t2,v1 set v1.a=v1.a+v1.c where t2.x=v1.c;
-select * from t1 order by a;
-a	b
-13	2
-24	3
-35	4
-46	5
-50	10
-update v1 set a=a+c;
-select * from t1 order by a;
-a	b
-16	2
-28	3
-40	4
-52	5
-61	10
-update t2,v2 set v2.a=v2.a+v2.c where t2.x=v2.c;
-select * from t1 order by a;
-a	b
-16	2
-31	3
-44	4
-57	5
-61	10
-update v2 set a=a+c;
-select * from t1 order by a;
-a	b
-18	2
-34	3
-48	4
-62	5
-71	10
-update t2,v2 set v2.c=v2.a+v2.c where t2.x=v2.c;
-ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for column 'c' in table 'v2'
-update v2 set c=a+c;
-ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for column 'c' in table 'v2'
-update t2,v3 set v3.a=v3.a+v3.c where t2.x=v3.c;
-ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for table 'v3'
-update v3 set a=a+c;
-ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for table 'v3'
-use test;
-REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
-drop database mysqltest;
-create database mysqltest;
-create table mysqltest.t1 (a int, b int, primary key(a));
-insert into mysqltest.t1 values (1,2), (2,3), (3,4), (4,5), (5,10);
-create table mysqltest.t2 (x int);
-insert into mysqltest.t2 values (3), (4), (5), (6);
-create view mysqltest.v1 (a,c) as select a, b+1 from mysqltest.t1;
-create view mysqltest.v2 (a,c) as select a, b+1 from mysqltest.t1;
-grant delete on mysqltest.v1 to mysqltest_1@localhost;
-grant select on mysqltest.* to mysqltest_1@localhost;
-use mysqltest;
-delete from v1 where c < 4;
-select * from t1;
-a	b
-2	3
-3	4
-4	5
-5	10
-delete v1 from t2,v1 where t2.x=v1.c;
-select * from t1;
-a	b
-5	10
-delete v2 from t2,v2 where t2.x=v2.c;
-ERROR 42000: DELETE command denied to user 'mysqltest_1'@'localhost' for table 'v2'
-delete from v2 where c < 4;
-ERROR 42000: DELETE command denied to user 'mysqltest_1'@'localhost' for table 'v2'
-use test;
-REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
-drop database mysqltest;
-create database mysqltest;
-create table mysqltest.t1 (a int, b int, primary key(a));
-insert into mysqltest.t1 values (1,2), (2,3);
-create table mysqltest.t2 (x int, y int);
-insert into mysqltest.t2 values (3,4);
-create view mysqltest.v1 (a,c) as select a, b from mysqltest.t1;
-create view mysqltest.v2 (a,c) as select a, b from mysqltest.t1;
-grant insert on mysqltest.v1 to mysqltest_1@localhost;
-grant select on mysqltest.* to mysqltest_1@localhost;
-use mysqltest;
-insert into v1 values (5,6);
-select * from t1;
-a	b
-1	2
-2	3
-5	6
-insert into v1 select x,y from t2;
-select * from t1;
-a	b
-1	2
-2	3
-5	6
-3	4
-insert into v2 values (5,6);
-ERROR 42000: INSERT command denied to user 'mysqltest_1'@'localhost' for table 'v2'
-insert into v2 select x,y from t2;
-ERROR 42000: INSERT command denied to user 'mysqltest_1'@'localhost' for table 'v2'
-use test;
-REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
-drop database mysqltest;
-create database mysqltest;
-create table mysqltest.t1 (a int, b int);
-create table mysqltest.t2 (a int, b int);
-grant update on mysqltest.t1 to mysqltest_1@localhost;
-grant update(b) on mysqltest.t2 to mysqltest_1@localhost;
-grant create view,update on test.* to mysqltest_1@localhost;
-create view v1 as select * from mysqltest.t1;
-create view v2 as select b from mysqltest.t2;
-create view mysqltest.v1 as select * from mysqltest.t1;
-ERROR 42000: CREATE VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
-create view v3 as select a from mysqltest.t2;
-ERROR 42000: ANY command denied to user 'mysqltest_1'@'localhost' for column 'a' in table 't2'
-create table mysqltest.v3 (b int);
-grant create view on mysqltest.v3 to mysqltest_1@localhost;
-drop table mysqltest.v3;
-create view mysqltest.v3 as select b from mysqltest.t2;
-grant create view, update on mysqltest.v3 to mysqltest_1@localhost;
-drop view mysqltest.v3;
-create view mysqltest.v3 as select b from mysqltest.t2;
-create view v4 as select b+1 from mysqltest.t2;
-ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'b' in table 't2'
-grant create view,update,select on test.* to mysqltest_1@localhost;
-create view v4 as select b+1 from mysqltest.t2;
-ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'b' in table 't2'
-grant update,select(b) on mysqltest.t2 to mysqltest_1@localhost;
-create view v4 as select b+1 from mysqltest.t2;
-REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
-drop database mysqltest;
-drop view v1,v2,v4;
-create database mysqltest;
-create table mysqltest.t1 (a int);
-grant all privileges on mysqltest.* to mysqltest_1@localhost;
-use mysqltest;
-create view v1 as select * from t1;
-use test;
-revoke all privileges on mysqltest.* from mysqltest_1@localhost;
-drop database mysqltest;
-create database mysqltest;
-create table mysqltest.t1 (a int, b int);
-grant select on mysqltest.t1 to mysqltest_1@localhost;
-grant create view,select on test.* to mysqltest_1@localhost;
-create view v1 as select * from mysqltest.t1;
-show create view v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`mysqltest_1`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `mysqltest`.`t1`.`a` AS `a`,`mysqltest`.`t1`.`b` AS `b` from `mysqltest`.`t1`	latin1	latin1_swedish_ci
-revoke select on mysqltest.t1 from mysqltest_1@localhost;
-select * from v1;
-ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-grant select on mysqltest.t1 to mysqltest_1@localhost;
-select * from v1;
-a	b
-REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
-drop view v1;
-drop database mysqltest;
-create database mysqltest;
-use mysqltest;
-create table t1 (a int);
-insert into t1 values (1);
-create table t2 (s1 int);
-drop function if exists f2;
-create function f2 () returns int begin declare v int; select s1 from t2
-into v; return v; end//
-create algorithm=TEMPTABLE view v1 as select f2() from t1;
-create algorithm=MERGE view v2 as select f2() from t1;
-create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select f2() from t1;
-create algorithm=MERGE SQL SECURITY INVOKER view v4 as select f2() from t1;
-create SQL SECURITY INVOKER view v5 as select * from v4;
-grant select on v1 to mysqltest_1@localhost;
-grant select on v2 to mysqltest_1@localhost;
-grant select on v3 to mysqltest_1@localhost;
-grant select on v4 to mysqltest_1@localhost;
-grant select on v5 to mysqltest_1@localhost;
-use mysqltest;
-select * from v1;
-f2()
-NULL
-Warnings:
-Warning	1329	No data - zero rows fetched, selected, or processed
-select * from v2;
-f2()
-NULL
-Warnings:
-Warning	1329	No data - zero rows fetched, selected, or processed
-select * from v3;
-ERROR HY000: View 'mysqltest.v3' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-select * from v4;
-ERROR HY000: View 'mysqltest.v4' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-select * from v5;
-ERROR HY000: View 'mysqltest.v5' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-use test;
-drop view v1, v2, v3, v4, v5;
-drop function f2;
-drop table t1, t2;
-use test;
-REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
-drop database mysqltest;
-create database mysqltest;
-use mysqltest;
-create table t1 (a int);
-insert into t1 values (1);
-create table t2 (s1 int);
-drop function if exists f2;
-create function f2 () returns int begin declare v int; select s1 from t2
-into v; return v; end//
-grant select on t1 to mysqltest_1@localhost;
-grant execute on function f2 to mysqltest_1@localhost;
-grant create view on mysqltest.* to mysqltest_1@localhost;
-use mysqltest;
-create algorithm=TEMPTABLE view v1 as select f2() from t1;
-create algorithm=MERGE view v2 as select f2() from t1;
-create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select f2() from t1;
-create algorithm=MERGE SQL SECURITY INVOKER view v4 as select f2() from t1;
-use test;
-create view v5 as select * from v1;
-revoke execute on function f2 from mysqltest_1@localhost;
-select * from v1;
-ERROR HY000: View 'mysqltest.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-select * from v2;
-ERROR HY000: View 'mysqltest.v2' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-select * from v3;
-f2()
-NULL
-Warnings:
-Warning	1329	No data - zero rows fetched, selected, or processed
-select * from v4;
-f2()
-NULL
-Warnings:
-Warning	1329	No data - zero rows fetched, selected, or processed
-select * from v5;
-ERROR HY000: View 'mysqltest.v5' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-drop view v1, v2, v3, v4, v5;
-drop function f2;
-drop table t1, t2;
-use test;
-REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
-drop database mysqltest;
-create database mysqltest;
-use mysqltest;
-create table t1 (a int);
-create table v1 (a int);
-insert into t1 values (1);
-grant select on t1 to mysqltest_1@localhost;
-grant select on v1 to mysqltest_1@localhost;
-grant create view on mysqltest.* to mysqltest_1@localhost;
-drop table v1;
-use mysqltest;
-create algorithm=TEMPTABLE view v1 as select *, a as b from t1;
-create algorithm=MERGE view v2 as select *, a as b from t1;
-create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select *, a as b from t1;
-create algorithm=MERGE SQL SECURITY INVOKER view v4 as select *, a as b from t1;
-create view v5 as select * from v1;
-use test;
-revoke select on t1 from mysqltest_1@localhost;
-select * from v1;
-ERROR HY000: View 'mysqltest.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-select * from v2;
-ERROR HY000: View 'mysqltest.v2' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-select * from v3;
-a	b
-1	1
-select * from v4;
-a	b
-1	1
-select * from v5;
-ERROR HY000: View 'mysqltest.v5' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-drop table t1;
-use test;
-REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
-drop database mysqltest;
-create database mysqltest;
-use mysqltest;
-create table t1 (a int);
-insert into t1 values (1);
-create algorithm=TEMPTABLE view v1 as select *, a as b from t1;
-create algorithm=MERGE view v2 as select *, a as b from t1;
-create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select *, a as b from t1;
-create algorithm=MERGE SQL SECURITY INVOKER view v4 as select *, a as b from t1;
-create SQL SECURITY INVOKER view v5 as select * from v4;
-grant select on v1 to mysqltest_1@localhost;
-grant select on v2 to mysqltest_1@localhost;
-grant select on v3 to mysqltest_1@localhost;
-grant select on v4 to mysqltest_1@localhost;
-grant select on v5 to mysqltest_1@localhost;
-use mysqltest;
-select * from v1;
-a	b
-1	1
-select * from v2;
-a	b
-1	1
-select * from v3;
-ERROR HY000: View 'mysqltest.v3' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-select * from v4;
-ERROR HY000: View 'mysqltest.v4' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-select * from v5;
-ERROR HY000: View 'mysqltest.v5' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-use test;
-drop view v1, v2, v3, v4, v5;
-drop table t1;
-use test;
-REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
-drop database mysqltest;
-drop view if exists v1;
-drop table if exists t1;
-create table t1 as select * from mysql.user where user='';
-delete from mysql.user where user='';
-flush privileges;
-grant all on test.* to 'test14256'@'%';
-use test;
-create view v1 as select 42;
-show create view v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`test14256`@`%` SQL SECURITY DEFINER VIEW `v1` AS select 42 AS `42`	latin1	latin1_swedish_ci
-select definer into @v1def1 from information_schema.views
-where table_schema = 'test' and table_name='v1';
-drop view v1;
-create definer=`test14256`@`%` view v1 as select 42;
-show create view v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`test14256`@`%` SQL SECURITY DEFINER VIEW `v1` AS select 42 AS `42`	latin1	latin1_swedish_ci
-select definer into @v1def2 from information_schema.views
-where table_schema = 'test' and table_name='v1';
-drop view v1;
-select @v1def1, @v1def2, @v1def1=@v1def2;
-@v1def1	@v1def2	@v1def1=@v1def2
-test14256@%	test14256@%	1
-drop user test14256;
-insert into mysql.user select * from t1;
-flush privileges;
-drop table t1;
-create database mysqltest;
-use mysqltest;
-CREATE TABLE t1 (i INT);
-CREATE VIEW  v1 AS SELECT * FROM t1;
-SHOW CREATE VIEW v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`i` AS `i` from `t1`	latin1	latin1_swedish_ci
-GRANT SELECT, LOCK TABLES ON mysqltest.* TO mysqltest_1@localhost;
-use mysqltest;
-LOCK TABLES v1 READ;
-SHOW CREATE TABLE v1;
-ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
-UNLOCK TABLES;
-use test;
-use test;
-drop user mysqltest_1@localhost;
-drop database mysqltest;
-create definer=some_user@`` sql security invoker view v1 as select 1;
-Warnings:
-Note	1449	The user specified as a definer ('some_user'@'') does not exist
-create definer=some_user@localhost sql security invoker view v2 as select 1;
-Warnings:
-Note	1449	The user specified as a definer ('some_user'@'localhost') does not exist
-show create view v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`some_user`@`` SQL SECURITY INVOKER VIEW `v1` AS select 1 AS `1`	latin1	latin1_swedish_ci
-show create view v2;
-View	Create View	character_set_client	collation_connection
-v2	CREATE ALGORITHM=UNDEFINED DEFINER=`some_user`@`localhost` SQL SECURITY INVOKER VIEW `v2` AS select 1 AS `1`	latin1	latin1_swedish_ci
-drop view v1;
-drop view v2;
-CREATE DATABASE mysqltest1;
-CREATE USER readonly@localhost;
-CREATE TABLE mysqltest1.t1 (x INT);
-INSERT INTO mysqltest1.t1 VALUES (1), (2);
-CREATE SQL SECURITY INVOKER VIEW mysqltest1.v_t1 AS SELECT * FROM mysqltest1.t1;
-CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_ts AS SELECT * FROM mysqltest1.t1;
-CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_ti AS SELECT * FROM mysqltest1.t1;
-CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_tu AS SELECT * FROM mysqltest1.t1;
-CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_tus AS SELECT * FROM mysqltest1.t1;
-CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_td AS SELECT * FROM mysqltest1.t1;
-CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_tds AS SELECT * FROM mysqltest1.t1;
-GRANT SELECT, INSERT, UPDATE, DELETE ON mysqltest1.v_t1 TO readonly@localhost;
-GRANT SELECT ON mysqltest1.v_ts TO readonly@localhost;
-GRANT INSERT ON mysqltest1.v_ti TO readonly@localhost;
-GRANT UPDATE ON mysqltest1.v_tu TO readonly@localhost;
-GRANT UPDATE,SELECT ON mysqltest1.v_tus TO readonly@localhost;
-GRANT DELETE ON mysqltest1.v_td TO readonly@localhost;
-GRANT DELETE,SELECT ON mysqltest1.v_tds TO readonly@localhost;
-SELECT * FROM mysqltest1.v_t1;
-ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-INSERT INTO mysqltest1.v_t1 VALUES(4);
-ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-DELETE FROM mysqltest1.v_t1 WHERE x = 1;
-ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-UPDATE mysqltest1.v_t1 SET x = 3 WHERE x = 2;
-ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-UPDATE mysqltest1.v_t1 SET x = 3;
-ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-DELETE FROM mysqltest1.v_t1;
-ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-SELECT 1 FROM mysqltest1.v_t1;
-ERROR HY000: View 'mysqltest1.v_t1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
-SELECT * FROM mysqltest1.t1;
-ERROR 42000: SELECT command denied to user 'readonly'@'localhost' for table 't1'
-SELECT * FROM mysqltest1.v_ts;
-x
-1
-2
-SELECT * FROM mysqltest1.v_ts, mysqltest1.t1 WHERE mysqltest1.t1.x = mysqltest1.v_ts.x;
-ERROR 42000: SELECT command denied to user 'readonly'@'localhost' for table 't1'
-SELECT * FROM mysqltest1.v_ti;
-ERROR 42000: SELECT command denied to user 'readonly'@'localhost' for table 'v_ti'
-INSERT INTO mysqltest1.v_ts VALUES (100);
-ERROR 42000: INSERT command denied to user 'readonly'@'localhost' for table 'v_ts'
-INSERT INTO mysqltest1.v_ti VALUES (100);
-UPDATE mysqltest1.v_ts SET x= 200 WHERE x = 100;
-ERROR 42000: UPDATE command denied to user 'readonly'@'localhost' for table 'v_ts'
-UPDATE mysqltest1.v_ts SET x= 200;
-ERROR 42000: UPDATE command denied to user 'readonly'@'localhost' for table 'v_ts'
-UPDATE mysqltest1.v_tu SET x= 200 WHERE x = 100;
-UPDATE mysqltest1.v_tus SET x= 200 WHERE x = 100;
-UPDATE mysqltest1.v_tu SET x= 200;
-DELETE FROM mysqltest1.v_ts WHERE x= 200;
-ERROR 42000: DELETE command denied to user 'readonly'@'localhost' for table 'v_ts'
-DELETE FROM mysqltest1.v_ts;
-ERROR 42000: DELETE command denied to user 'readonly'@'localhost' for table 'v_ts'
-DELETE FROM mysqltest1.v_td WHERE x= 200;
-ERROR 42000: SELECT command denied to user 'readonly'@'localhost' for column 'x' in table 'v_td'
-DELETE FROM mysqltest1.v_tds WHERE x= 200;
-DELETE FROM mysqltest1.v_td;
-DROP VIEW mysqltest1.v_tds;
-DROP VIEW mysqltest1.v_td;
-DROP VIEW mysqltest1.v_tus;
-DROP VIEW mysqltest1.v_tu;
-DROP VIEW mysqltest1.v_ti;
-DROP VIEW mysqltest1.v_ts;
-DROP VIEW mysqltest1.v_t1;
-DROP TABLE mysqltest1.t1;
-DROP USER readonly@localhost;
-DROP DATABASE mysqltest1;
-CREATE TABLE t1 (a INT PRIMARY KEY);
-INSERT INTO t1 VALUES (1), (2), (3);
-CREATE DEFINER = 'no-such-user'@localhost VIEW v AS SELECT a from t1;
-Warnings:
-Note	1449	The user specified as a definer ('no-such-user'@'localhost') does not exist
-SHOW CREATE VIEW v;
-View	Create View	character_set_client	collation_connection
-v	CREATE ALGORITHM=UNDEFINED DEFINER=`no-such-user`@`localhost` SQL SECURITY DEFINER VIEW `v` AS select `test`.`t1`.`a` AS `a` from `t1`	latin1	latin1_swedish_ci
-Warnings:
-Note	1449	The user specified as a definer ('no-such-user'@'localhost') does not exist
-SELECT * FROM v;
-ERROR HY000: The user specified as a definer ('no-such-user'@'localhost') does not exist
-DROP VIEW v;
-DROP TABLE t1;
-USE test;
-CREATE USER mysqltest_db1@localhost identified by 'PWD';
-GRANT ALL ON mysqltest_db1.* TO mysqltest_db1@localhost WITH GRANT OPTION;
-CREATE SCHEMA mysqltest_db1 ;
-USE mysqltest_db1 ;
-CREATE TABLE t1 (f1 INTEGER);
-CREATE VIEW view1 AS
-SELECT * FROM t1;
-SHOW CREATE VIEW view1;
-View	Create View	character_set_client	collation_connection
-view1	CREATE ALGORITHM=UNDEFINED DEFINER=`mysqltest_db1`@`localhost` SQL SECURITY DEFINER VIEW `view1` AS select `t1`.`f1` AS `f1` from `t1`	latin1	latin1_swedish_ci
-CREATE VIEW view2 AS
-SELECT * FROM view1;
-# Here comes a suspicious warning
-SHOW CREATE VIEW view2;
-View	Create View	character_set_client	collation_connection
-view2	CREATE ALGORITHM=UNDEFINED DEFINER=`mysqltest_db1`@`localhost` SQL SECURITY DEFINER VIEW `view2` AS select `view1`.`f1` AS `f1` from `view1`	latin1	latin1_swedish_ci
-# But the view view2 is usable
-SELECT * FROM view2;
-f1
-CREATE VIEW view3 AS
-SELECT * FROM view2;
-SELECT * from view3;
-f1
-DROP VIEW mysqltest_db1.view3;
-DROP VIEW mysqltest_db1.view2;
-DROP VIEW mysqltest_db1.view1;
-DROP TABLE mysqltest_db1.t1;
-DROP SCHEMA mysqltest_db1;
-DROP USER mysqltest_db1@localhost;
-CREATE DATABASE test1;
-CREATE DATABASE test2;
-CREATE TABLE test1.t0 (a VARCHAR(20)) engine=myisam;
-CREATE TABLE test2.t1 (a VARCHAR(20));
-CREATE VIEW  test2.t3 AS SELECT * FROM test1.t0;
-CREATE OR REPLACE VIEW test.v1 AS 
-SELECT ta.a AS col1, tb.a AS col2 FROM test2.t3 ta, test2.t1 tb;
-DROP VIEW test.v1;
-DROP VIEW test2.t3;
-DROP TABLE test2.t1, test1.t0;
-DROP DATABASE test2;
-DROP DATABASE test1;
-DROP VIEW IF EXISTS v1;
-DROP VIEW IF EXISTS v2;
-DROP VIEW IF EXISTS v3;
-DROP FUNCTION IF EXISTS f1;
-DROP FUNCTION IF EXISTS f2;
-DROP PROCEDURE IF EXISTS p1;
-CREATE SQL SECURITY DEFINER VIEW v1 AS SELECT CURRENT_USER() AS cu;
-CREATE FUNCTION f1() RETURNS VARCHAR(77) SQL SECURITY INVOKER
-RETURN CURRENT_USER();
-CREATE SQL SECURITY DEFINER VIEW v2 AS SELECT f1() AS cu;
-CREATE PROCEDURE p1(OUT cu VARCHAR(77)) SQL SECURITY INVOKER
-SET cu= CURRENT_USER();
-CREATE FUNCTION f2() RETURNS VARCHAR(77) SQL SECURITY INVOKER
-BEGIN
-DECLARE cu VARCHAR(77);
-CALL p1(cu);
-RETURN cu;
-END|
-CREATE SQL SECURITY DEFINER VIEW v3 AS SELECT f2() AS cu;
-CREATE USER mysqltest_u1@localhost;
-GRANT ALL ON test.* TO mysqltest_u1@localhost;
-
-The following tests should all return 1.
-
-SELECT CURRENT_USER() = 'mysqltest_u1@localhost';
-CURRENT_USER() = 'mysqltest_u1@localhost'
-1
-SELECT f1() = 'mysqltest_u1@localhost';
-f1() = 'mysqltest_u1@localhost'
-1
-CALL p1(@cu);
-SELECT @cu = 'mysqltest_u1@localhost';
-@cu = 'mysqltest_u1@localhost'
-1
-SELECT f2() = 'mysqltest_u1@localhost';
-f2() = 'mysqltest_u1@localhost'
-1
-SELECT cu = 'root@localhost' FROM v1;
-cu = 'root@localhost'
-1
-SELECT cu = 'root@localhost' FROM v2;
-cu = 'root@localhost'
-1
-SELECT cu = 'root@localhost' FROM v3;
-cu = 'root@localhost'
-1
-DROP VIEW v3;
-DROP FUNCTION f2;
-DROP PROCEDURE p1;
-DROP FUNCTION f1;
-DROP VIEW v2;
-DROP VIEW v1;
-DROP USER mysqltest_u1@localhost;
-CREATE DATABASE db17254;
-USE db17254;
-CREATE TABLE t1 (f1 INT);
-INSERT INTO t1 VALUES (10),(20);
-CREATE USER def_17254@localhost;
-GRANT SELECT ON db17254.* TO def_17254@localhost;
-CREATE USER inv_17254@localhost;
-GRANT SELECT ON db17254.t1 TO inv_17254@localhost;
-GRANT CREATE VIEW ON db17254.* TO def_17254@localhost;
-CREATE VIEW v1 AS SELECT * FROM t1;
-DROP USER def_17254@localhost;
-for a user
-SELECT * FROM v1;
-ERROR 42000: SELECT command denied to user 'inv_17254'@'localhost' for table 'v1'
-for a superuser
-SELECT * FROM v1;
-ERROR HY000: The user specified as a definer ('def_17254'@'localhost') does not exist
-DROP USER inv_17254@localhost;
-DROP DATABASE db17254;
-DROP DATABASE IF EXISTS mysqltest_db1;
-DROP DATABASE IF EXISTS mysqltest_db2;
-DROP USER mysqltest_u1;
-DROP USER mysqltest_u2;
-CREATE USER mysqltest_u1@localhost;
-CREATE USER mysqltest_u2@localhost;
-CREATE DATABASE mysqltest_db1;
-CREATE DATABASE mysqltest_db2;
-GRANT ALL ON mysqltest_db1.* TO mysqltest_u1@localhost WITH GRANT OPTION;
-GRANT ALL ON mysqltest_db2.* TO mysqltest_u2@localhost;
-CREATE TABLE t1 (i INT);
-INSERT INTO t1 VALUES (1);
-CREATE VIEW v1 AS SELECT i FROM t1 WHERE 1 IN (SELECT * FROM t1);
-CREATE TABLE t2 (s CHAR(7));
-INSERT INTO t2 VALUES ('public');
-GRANT SELECT ON v1 TO mysqltest_u2@localhost;
-GRANT SELECT ON t2 TO mysqltest_u2@localhost;
-SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2;
-i	s
-1	public
-PREPARE stmt1 FROM "SELECT * FROM mysqltest_db1.t2";
-EXECUTE stmt1;
-s
-public
-PREPARE stmt2 FROM "SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2";
-EXECUTE stmt2;
-i	s
-1	public
-REVOKE SELECT ON t2 FROM mysqltest_u2@localhost;
-UPDATE t2 SET s = 'private' WHERE s = 'public';
-SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2;
-ERROR 42000: SELECT command denied to user 'mysqltest_u2'@'localhost' for table 't2'
-EXECUTE stmt1;
-ERROR 42000: SELECT command denied to user 'mysqltest_u2'@'localhost' for table 't2'
-EXECUTE stmt2;
-ERROR 42000: SELECT command denied to user 'mysqltest_u2'@'localhost' for table 't2'
-REVOKE ALL ON mysqltest_db1.* FROM mysqltest_u1@localhost;
-REVOKE ALL ON mysqltest_db2.* FROM mysqltest_u2@localhost;
-DROP DATABASE mysqltest_db1;
-DROP DATABASE mysqltest_db2;
-DROP USER mysqltest_u1@localhost;
-DROP USER mysqltest_u2@localhost;
-CREATE DATABASE db26813;
-USE db26813;
-CREATE TABLE t1(f1 INT, f2 INT);
-CREATE VIEW v1 AS SELECT f1 FROM t1;
-CREATE VIEW v2 AS SELECT f1 FROM t1;
-CREATE VIEW v3 AS SELECT f1 FROM t1;
-CREATE USER u26813@localhost;
-GRANT DROP ON db26813.v1 TO u26813@localhost;
-GRANT CREATE VIEW ON db26813.v2 TO u26813@localhost;
-GRANT DROP, CREATE VIEW ON db26813.v3 TO u26813@localhost;
-GRANT SELECT ON db26813.t1 TO u26813@localhost;
-ALTER VIEW v1 AS SELECT f2 FROM t1;
-ERROR 42000: CREATE VIEW command denied to user 'u26813'@'localhost' for table 'v1'
-ALTER VIEW v2 AS SELECT f2 FROM t1;
-ERROR 42000: DROP command denied to user 'u26813'@'localhost' for table 'v2'
-ALTER VIEW v3 AS SELECT f2 FROM t1;
-ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
-SHOW CREATE VIEW v3;
-View	Create View	character_set_client	collation_connection
-v3	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS select `t1`.`f1` AS `f1` from `t1`	latin1	latin1_swedish_ci
-DROP USER u26813@localhost;
-DROP DATABASE db26813;
-#
-# Bug#29908 A user can gain additional access through the ALTER VIEW.
-#
-CREATE DATABASE mysqltest_29908;
-USE mysqltest_29908;
-CREATE TABLE t1(f1 INT, f2 INT);
-CREATE USER u29908_1@localhost;
-CREATE DEFINER = u29908_1@localhost VIEW v1 AS SELECT f1 FROM t1;
-CREATE DEFINER = u29908_1@localhost SQL SECURITY INVOKER VIEW v2 AS
-SELECT f1 FROM t1;
-GRANT SELECT, DROP, CREATE VIEW, SHOW VIEW ON mysqltest_29908.v1 TO u29908_1@localhost;
-GRANT SELECT, DROP, CREATE VIEW, SHOW VIEW ON mysqltest_29908.v2 TO u29908_1@localhost;
-GRANT SELECT ON mysqltest_29908.t1 TO u29908_1@localhost;
-CREATE USER u29908_2@localhost;
-GRANT SELECT, DROP, CREATE VIEW ON mysqltest_29908.v1 TO u29908_2@localhost;
-GRANT SELECT, DROP, CREATE VIEW, SHOW VIEW ON mysqltest_29908.v2 TO u29908_2@localhost;
-GRANT SELECT ON mysqltest_29908.t1 TO u29908_2@localhost;
-ALTER VIEW v1 AS SELECT f2 FROM t1;
-ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
-ALTER VIEW v2 AS SELECT f2 FROM t1;
-ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
-SHOW CREATE VIEW v2;
-View	Create View	character_set_client	collation_connection
-v2	CREATE ALGORITHM=UNDEFINED DEFINER=`u29908_1`@`localhost` SQL SECURITY INVOKER VIEW `v2` AS select `t1`.`f1` AS `f1` from `t1`	latin1	latin1_swedish_ci
-ALTER VIEW v1 AS SELECT f2 FROM t1;
-SHOW CREATE VIEW v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`u29908_1`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`f2` AS `f2` from `t1`	latin1	latin1_swedish_ci
-ALTER VIEW v2 AS SELECT f2 FROM t1;
-SHOW CREATE VIEW v2;
-View	Create View	character_set_client	collation_connection
-v2	CREATE ALGORITHM=UNDEFINED DEFINER=`u29908_1`@`localhost` SQL SECURITY INVOKER VIEW `v2` AS select `t1`.`f2` AS `f2` from `t1`	latin1	latin1_swedish_ci
-ALTER VIEW v1 AS SELECT f1 FROM t1;
-SHOW CREATE VIEW v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`u29908_1`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`f1` AS `f1` from `t1`	latin1	latin1_swedish_ci
-ALTER VIEW v2 AS SELECT f1 FROM t1;
-SHOW CREATE VIEW v2;
-View	Create View	character_set_client	collation_connection
-v2	CREATE ALGORITHM=UNDEFINED DEFINER=`u29908_1`@`localhost` SQL SECURITY INVOKER VIEW `v2` AS select `t1`.`f1` AS `f1` from `t1`	latin1	latin1_swedish_ci
-DROP USER u29908_1@localhost;
-DROP USER u29908_2@localhost;
-DROP DATABASE mysqltest_29908;
-#######################################################################
-DROP DATABASE IF EXISTS mysqltest1;
-DROP DATABASE IF EXISTS mysqltest2;
-CREATE DATABASE mysqltest1;
-CREATE DATABASE mysqltest2;
-CREATE TABLE mysqltest1.t1(c1 INT);
-CREATE TABLE mysqltest1.t2(c2 INT);
-CREATE TABLE mysqltest1.t3(c3 INT);
-CREATE TABLE mysqltest1.t4(c4 INT);
-INSERT INTO mysqltest1.t1 VALUES (11), (12), (13), (14);
-INSERT INTO mysqltest1.t2 VALUES (21), (22), (23), (24);
-INSERT INTO mysqltest1.t3 VALUES (31), (32), (33), (34);
-INSERT INTO mysqltest1.t4 VALUES (41), (42), (43), (44);
-GRANT SELECT ON mysqltest1.t1 TO mysqltest_u1@localhost;
-GRANT INSERT ON mysqltest1.t2 TO mysqltest_u1@localhost;
-GRANT SELECT, UPDATE ON mysqltest1.t3 TO mysqltest_u1@localhost;
-GRANT SELECT, DELETE ON mysqltest1.t4 TO mysqltest_u1@localhost;
-GRANT ALL PRIVILEGES ON mysqltest2.* TO mysqltest_u1@localhost;
-
----> connection: bug24040_con
-SELECT * FROM mysqltest1.t1;
-c1
-11
-12
-13
-14
-INSERT INTO mysqltest1.t2 VALUES(25);
-UPDATE mysqltest1.t3 SET c3 = 331 WHERE c3 = 31;
-DELETE FROM mysqltest1.t4 WHERE c4 = 44;
-CREATE VIEW v1 AS SELECT * FROM mysqltest1.t1;
-CREATE VIEW v2 AS SELECT * FROM mysqltest1.t2;
-CREATE VIEW v3 AS SELECT * FROM mysqltest1.t3;
-CREATE VIEW v4 AS SELECT * FROM mysqltest1.t4;
-SELECT * FROM v1;
-c1
-11
-12
-13
-14
-INSERT INTO v2 VALUES(26);
-UPDATE v3 SET c3 = 332 WHERE c3 = 32;
-DELETE FROM v4 WHERE c4 = 43;
-CREATE VIEW v12 AS SELECT c1, c2 FROM mysqltest1.t1, mysqltest1.t2;
-ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c2' in table 'v12'
-CREATE VIEW v13 AS SELECT c1, c3 FROM mysqltest1.t1, mysqltest1.t3;
-CREATE VIEW v14 AS SELECT c1, c4 FROM mysqltest1.t1, mysqltest1.t4;
-CREATE VIEW v21 AS SELECT c2, c1 FROM mysqltest1.t2, mysqltest1.t1;
-ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c1' in table 'v21'
-CREATE VIEW v23 AS SELECT c2, c3 FROM mysqltest1.t2, mysqltest1.t3;
-ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c3' in table 'v23'
-CREATE VIEW v24 AS SELECT c2, c4 FROM mysqltest1.t2, mysqltest1.t4;
-ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c4' in table 'v24'
-CREATE VIEW v31 AS SELECT c3, c1 FROM mysqltest1.t3, mysqltest1.t1;
-CREATE VIEW v32 AS SELECT c3, c2 FROM mysqltest1.t3, mysqltest1.t2;
-ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c2' in table 'v32'
-CREATE VIEW v34 AS SELECT c3, c4 FROM mysqltest1.t3, mysqltest1.t4;
-CREATE VIEW v41 AS SELECT c4, c1 FROM mysqltest1.t4, mysqltest1.t1;
-CREATE VIEW v42 AS SELECT c4, c2 FROM mysqltest1.t4, mysqltest1.t2;
-ERROR 42000: create view command denied to user 'mysqltest_u1'@'localhost' for column 'c2' in table 'v42'
-CREATE VIEW v43 AS SELECT c4, c3 FROM mysqltest1.t4, mysqltest1.t3;
-
----> connection: default
-SELECT * FROM mysqltest1.t1;
-c1
-11
-12
-13
-14
-SELECT * FROM mysqltest1.t2;
-c2
-21
-22
-23
-24
-25
-26
-SELECT * FROM mysqltest1.t3 order by c3;
-c3
-33
-34
-331
-332
-SELECT * FROM mysqltest1.t4;
-c4
-41
-42
-DROP DATABASE mysqltest1;
-DROP DATABASE mysqltest2;
-DROP USER mysqltest_u1@localhost;
-End of 5.0 tests.
-DROP VIEW IF EXISTS v1;
-DROP TABLE IF EXISTS t1;
-CREATE TABLE t1 (i INT);
-CREATE VIEW v1 AS SELECT * FROM t1;
-ALTER VIEW v1 AS SELECT * FROM t1;
-SHOW CREATE VIEW v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`i` AS `i` from `t1`	latin1	latin1_swedish_ci
-ALTER DEFINER=no_such@user_1 VIEW v1 AS SELECT * FROM t1;
-Warnings:
-Note	1449	The user specified as a definer ('no_such'@'user_1') does not exist
-SHOW CREATE VIEW v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`no_such`@`user_1` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t1`.`i` AS `i` from `t1`	latin1	latin1_swedish_ci
-Warnings:
-Note	1449	The user specified as a definer ('no_such'@'user_1') does not exist
-ALTER ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1;
-Warnings:
-Note	1449	The user specified as a definer ('no_such'@'user_1') does not exist
-SHOW CREATE VIEW v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=MERGE DEFINER=`no_such`@`user_1` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t1`.`i` AS `i` from `t1`	latin1	latin1_swedish_ci
-Warnings:
-Note	1449	The user specified as a definer ('no_such'@'user_1') does not exist
-ALTER ALGORITHM=TEMPTABLE DEFINER=no_such@user_2 VIEW v1 AS SELECT * FROM t1;
-Warnings:
-Note	1449	The user specified as a definer ('no_such'@'user_2') does not exist
-SHOW CREATE VIEW v1;
-View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=TEMPTABLE DEFINER=`no_such`@`user_2` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t1`.`i` AS `i` from `t1`	latin1	latin1_swedish_ci
-Warnings:
-Note	1449	The user specified as a definer ('no_such'@'user_2') does not exist
-DROP VIEW v1;
-DROP TABLE t1;
-End of 5.1 tests.
diff --git a/mysql-test/suite/perfschema/r/all_instances.result b/mysql-test/suite/perfschema/r/all_instances.result
index dedaf9612a9..59b1950cb88 100644
--- a/mysql-test/suite/perfschema/r/all_instances.result
+++ b/mysql-test/suite/perfschema/r/all_instances.result
@@ -53,7 +53,6 @@ wait/synch/mutex/sql/LOCK_global_index_stats
 wait/synch/mutex/sql/LOCK_global_system_variables
 wait/synch/mutex/sql/LOCK_global_table_stats
 wait/synch/mutex/sql/LOCK_global_user_client_stats
-wait/synch/mutex/sql/LOCK_manager
 wait/synch/mutex/sql/LOCK_open
 wait/synch/mutex/sql/LOCK_plugin
 wait/synch/mutex/sql/LOCK_prepared_stmt_count
@@ -114,7 +113,6 @@ wait/synch/cond/mysys/COND_alarm
 wait/synch/cond/mysys/my_thread_var::suspend
 wait/synch/cond/mysys/THR_COND_threads
 wait/synch/cond/sql/COND_flush_thread_cache
-wait/synch/cond/sql/COND_manager
 wait/synch/cond/sql/COND_queue_state
 wait/synch/cond/sql/COND_rpl_status
 wait/synch/cond/sql/COND_server_started
diff --git a/mysql-test/suite/perfschema/r/server_init.result b/mysql-test/suite/perfschema/r/server_init.result
index 3e67915adcd..5497267080e 100644
--- a/mysql-test/suite/perfschema/r/server_init.result
+++ b/mysql-test/suite/perfschema/r/server_init.result
@@ -82,7 +82,7 @@ count(name)
 select count(name) from mutex_instances
 where name like "wait/synch/mutex/sql/LOCK_manager";
 count(name)
-1
+0
 select count(name) from mutex_instances
 where name like "wait/synch/mutex/sql/LOCK_global_system_variables";
 count(name)
@@ -170,7 +170,7 @@ count(name)
 select count(name) from cond_instances
 where name like "wait/synch/cond/sql/COND_manager";
 count(name)
-1
+0
 select count(name) from cond_instances
 where name like "wait/synch/cond/sql/COND_thread_cache";
 count(name)
diff --git a/mysql-test/suite/plugins/r/unix_socket.result b/mysql-test/suite/plugins/r/unix_socket.result
new file mode 100644
index 00000000000..45bf608cc93
--- /dev/null
+++ b/mysql-test/suite/plugins/r/unix_socket.result
@@ -0,0 +1,30 @@
+install plugin unix_socket soname 'auth_socket.so';
+#
+# with named user
+#
+create user USER identified via unix_socket;
+#
+# name match = ok
+#
+select user(), current_user(), database();
+user()	current_user()	database()
+USER@localhost	USER@%	test
+#
+# name does not match = failure
+#
+drop user USER;
+#
+# and now with anonymous user
+#
+grant SELECT ON test.* TO '' identified via unix_socket;
+#
+# name match = ok
+#
+select user(), current_user(), database();
+user()	current_user()	database()
+USER@localhost	@%	test
+#
+# name does not match = failure
+#
+delete from mysql.user where user='';
+uninstall plugin unix_socket;
diff --git a/mysql-test/suite/plugins/t/unix_socket.test b/mysql-test/suite/plugins/t/unix_socket.test
new file mode 100644
index 00000000000..fc2e6c5b3c6
--- /dev/null
+++ b/mysql-test/suite/plugins/t/unix_socket.test
@@ -0,0 +1,56 @@
+--source include/not_embedded.inc
+
+if (!$AUTH_SOCKET_SO) {
+  skip No auth_socket plugin;
+}
+
+let $plugindir=`SELECT @@global.plugin_dir`;
+
+eval install plugin unix_socket soname '$AUTH_SOCKET_SO';
+
+--echo #
+--echo # with named user
+--echo #
+
+--replace_result $USER USER
+eval create user $USER identified via unix_socket;
+
+--write_file $MYSQLTEST_VARDIR/tmp/peercred_test.txt
+--replace_result $USER USER
+select user(), current_user(), database();
+EOF
+
+--echo #
+--echo # name match = ok
+--echo #
+--exec $MYSQL_TEST -u $USER --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
+
+--echo #
+--echo # name does not match = failure
+--echo #
+--error 1
+--exec $MYSQL_TEST -u foobar --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
+
+--replace_result $USER USER
+eval drop user $USER;
+
+--echo #
+--echo # and now with anonymous user
+--echo #
+grant SELECT ON test.* TO '' identified via unix_socket;
+--echo #
+--echo # name match = ok
+--echo #
+--exec $MYSQL_TEST -u $USER --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
+
+--echo #
+--echo # name does not match = failure
+--echo #
+--error 1
+--exec $MYSQL_TEST -u foobar --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
+
+# restoring mysql.user to the original state.
+delete from mysql.user where user='';
+uninstall plugin unix_socket;
+--remove_file $MYSQLTEST_VARDIR/tmp/peercred_test.txt
+
diff --git a/mysql-test/suite/vcol/r/vcol_select_myisam.result b/mysql-test/suite/vcol/r/vcol_select_myisam.result
index d4868340ab5..934d047f6bf 100644
--- a/mysql-test/suite/vcol/r/vcol_select_myisam.result
+++ b/mysql-test/suite/vcol/r/vcol_select_myisam.result
@@ -265,3 +265,33 @@ NULL
 explain select sum(c) from t1 group by b;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	Using temporary; Using filesort
+#
+# Bug #806057: join with USING over a virtual column 
+#
+CREATE TABLE t1 (b int);
+INSERT INTO t1 VALUES (NULL),( 78), (185), (0), (154);
+CREATE TABLE t2 (a int, b int AS (a) VIRTUAL);
+INSERT INTO t2 VALUES (187,187), (9,9), (187,187);
+Warnings:
+Warning	1906	The value specified for computed column 'b' in table 't2' ignored
+Warning	1906	The value specified for computed column 'b' in table 't2' ignored
+Warning	1906	The value specified for computed column 'b' in table 't2' ignored
+EXPLAIN EXTENDED
+SELECT * FROM t1 JOIN t2 USING (b);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where; Using join buffer (flat, BNL join)
+Warnings:
+Note	1003	select `test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`b` = `test`.`t2`.`b`)
+SELECT * FROM t1 JOIN t2 USING (b);
+b	a
+EXPLAIN EXTENDED
+SELECT * FROM t1 NATURAL JOIN t2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where; Using join buffer (flat, BNL join)
+Warnings:
+Note	1003	select `test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`b` = `test`.`t2`.`b`)
+SELECT * FROM t1 NATURAL JOIN t2;
+b	a
+DROP TABLE t1,t2;
diff --git a/mysql-test/suite/vcol/r/vcol_view_innodb.result b/mysql-test/suite/vcol/r/vcol_view_innodb.result
index fe666e0e400..c9a4897e230 100644
--- a/mysql-test/suite/vcol/r/vcol_view_innodb.result
+++ b/mysql-test/suite/vcol/r/vcol_view_innodb.result
@@ -107,7 +107,7 @@ MariaDB-5.3: the following EXPLAIN produces incorrect #rows for table t1.
 MariaDB-5.3: this is expected to go away when FROM subquery optimizations are pushed
 explain select * from v1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	4	
+1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
 2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	4	Using filesort
 drop view v1;
 create view v1 as select c+1 from t1 order by 1 desc limit 2;
@@ -119,7 +119,7 @@ MariaDB-5.3: the following EXPLAIN produces incorrect #rows for table t1.
 MariaDB-5.3: this is expected to go away when FROM subquery optimizations are pushed
 explain select * from v1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	4	
+1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
 2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	4	Using filesort
 drop view v1;
 drop table t1;
diff --git a/mysql-test/suite/vcol/r/vcol_view_myisam.result b/mysql-test/suite/vcol/r/vcol_view_myisam.result
index 78c20f79f5e..e3fb2ec61ca 100644
--- a/mysql-test/suite/vcol/r/vcol_view_myisam.result
+++ b/mysql-test/suite/vcol/r/vcol_view_myisam.result
@@ -107,7 +107,7 @@ MariaDB-5.3: the following EXPLAIN produces incorrect #rows for table t1.
 MariaDB-5.3: this is expected to go away when FROM subquery optimizations are pushed
 explain select * from v1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	4	
+1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
 2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	4	Using filesort
 drop view v1;
 create view v1 as select c+1 from t1 order by 1 desc limit 2;
@@ -119,7 +119,7 @@ MariaDB-5.3: the following EXPLAIN produces incorrect #rows for table t1.
 MariaDB-5.3: this is expected to go away when FROM subquery optimizations are pushed
 explain select * from v1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	4	
+1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
 2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	4	Using filesort
 drop view v1;
 drop table t1;
diff --git a/mysql-test/suite/vcol/t/vcol_select_myisam.test b/mysql-test/suite/vcol/t/vcol_select_myisam.test
index 855e02ac113..c14faba576d 100644
--- a/mysql-test/suite/vcol/t/vcol_select_myisam.test
+++ b/mysql-test/suite/vcol/t/vcol_select_myisam.test
@@ -48,3 +48,23 @@ eval SET @@session.storage_engine = 'MyISAM';
 #------------------------------------------------------------------------------#
 # Cleanup
 --source suite/vcol/inc/vcol_cleanup.inc
+
+--echo #
+--echo # Bug #806057: join with USING over a virtual column 
+--echo #
+
+CREATE TABLE t1 (b int);
+INSERT INTO t1 VALUES (NULL),( 78), (185), (0), (154);
+
+CREATE TABLE t2 (a int, b int AS (a) VIRTUAL);
+INSERT INTO t2 VALUES (187,187), (9,9), (187,187);
+
+EXPLAIN EXTENDED
+SELECT * FROM t1 JOIN t2 USING (b);
+SELECT * FROM t1 JOIN t2 USING (b);
+
+EXPLAIN EXTENDED
+SELECT * FROM t1 NATURAL JOIN t2;
+SELECT * FROM t1 NATURAL JOIN t2;
+
+DROP TABLE t1,t2;
diff --git a/mysql-test/t/derived_opt.test b/mysql-test/t/derived_opt.test
index 42f3ce296e1..c2f831036e1 100644
--- a/mysql-test/t/derived_opt.test
+++ b/mysql-test/t/derived_opt.test
@@ -202,5 +202,15 @@ RIGHT JOIN (
 
 drop table t1,t2,t3,t4;
 
+--echo #
+--echo # LP BUG#910123 MariaDB 5.3.3 causes 1093 error on Drupal
+--echo # Fix: force materialization in case of conflict
+--echo #
+SET optimizer_switch='derived_merge=on';
+CREATE TABLE t1 ( i INT );
+INSERT INTO t1 VALUES ( (SELECT 1 FROM ( SELECT * FROM t1 ) as a) );
+drop table t1;
+set optimizer_switch=@save_optimizer_switch;
+
 # The following command must be the last one the file 
 set optimizer_switch=@exit_optimizer_switch;
diff --git a/mysql-test/t/derived_view.test b/mysql-test/t/derived_view.test
index b674350af0a..95412426aa0 100644
--- a/mysql-test/t/derived_view.test
+++ b/mysql-test/t/derived_view.test
@@ -1192,7 +1192,7 @@ INSERT INTO t2 VALUES (7), (4);
 CREATE TABLE t1 (b int NOT NULL);
 INSERT INTO t1 VALUES (5), (7);
 CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1;
-
+SET @save_optimizer_switch=@@optimizer_switch;
 SET SESSION optimizer_switch='derived_merge=off';
 
 PREPARE st1 FROM
@@ -1201,10 +1201,12 @@ EXECUTE st1;
 EXECUTE st1;
 DEALLOCATE PREPARE st1;
 
+set SESSION optimizer_switch= @save_optimizer_switch;
+
 DROP VIEW v1;
 DROP TABLE t1,t2;
 
-SET SESSION optimizer_switch='derived_merge=on';
+
 
 --echo #
 --echo # LP bug #879939: assertion in ha_maria::enable_indexes 
@@ -1226,7 +1228,7 @@ INSERT INTO t1 VALUES
 
 CREATE TABLE t3 (a varchar(35));
 INSERT INTO t3 VALUES ('Miami');
-
+SET @save_optimizer_switch=@@optimizer_switch;
 SET optimizer_switch = 'derived_with_keys=on';
 SET @@tmp_table_size=1024*4;
 explain SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b;
@@ -1234,7 +1236,7 @@ SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b;
 SET @@tmp_table_size=1024*1024*16;
 SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b;
 SET @@tmp_table_size=default;
-
+set SESSION optimizer_switch= @save_optimizer_switch;
 drop table t1,t2,t3;
 
 --echo #
@@ -1277,6 +1279,40 @@ ORDER BY CONCAT(alias2.col_varchar_nokey);
 set max_heap_table_size= @tmp_882994;
 drop table t1,t2,t3;
 
+--echo #
+--echo # LP bug #917990: Bad estimate of #rows for derived table with LIMIT
+--echo #
+
+CREATE TABLE t1 (a int);
+INSERT INTO t1 VALUES
+  (8), (3), (4), (7), (9), (5), (1), (2);
+
+SELECT * FROM (SELECT * FROM t1 LIMIT 3) t;
+EXPLAIN
+SELECT * FROM (SELECT * FROM t1 LIMIT 3) t;
+
+DROP TABLE t1;
+
+--echo #
+--echo # LP BUG#921878 incorrect check of items during columns union types
+--echo # aggregation for merged derived tables
+--echo #
+SET @save_optimizer_switch=@@optimizer_switch;
+SET SESSION optimizer_switch='derived_merge=on'; 
+CREATE TABLE t1 ( a ENUM( 'x', 'y' ) );
+insert into t1 values ('x');
+CREATE TABLE t2 LIKE t1;
+insert into t1 values ('y');
+CREATE TABLE t3 LIKE t1;
+INSERT INTO t3
+  SELECT * FROM ( SELECT * FROM t1 ) AS A
+    UNION SELECT * FROM t2;
+select * from t3;
+
+drop table t1,t2,t3;
+
+set SESSION optimizer_switch= @save_optimizer_switch;
+
 # The following command must be the last one the file 
 set optimizer_switch=@exit_optimizer_switch;
 set join_cache_level=@exit_join_cache_level;
diff --git a/mysql-test/t/func_group.test b/mysql-test/t/func_group.test
index 54535470d4c..7a098c44e5b 100644
--- a/mysql-test/t/func_group.test
+++ b/mysql-test/t/func_group.test
@@ -1154,6 +1154,53 @@ drop table t1;
 --echo End of 5.1 tests
 
 --echo #
+--echo # Bug #904345: MIN/MAX optimization  with constant FALSE condition
+--echo #
+
+CREATE TABLE t1 (a int NOT NULL, KEY(a));
+INSERT INTO t1 VALUES (10), (8), (11), (7), (15), (12), (9);
+
+CREATE TABLE t2 (a int, b int);
+INSERT INTO t2 VALUES
+  (8,2), (6,9), (8,4), (5,3), (9,1);
+
+EXPLAIN EXTENDED
+SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT 3,4) AND a<10;
+SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT 3,4) AND a<10;
+
+EXPLAIN EXTENDED
+SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10; 
+SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10; 
+
+EXPLAIN EXTENDED
+SELECT MAX(a) FROM t1 WHERE RAND()*0<>0 AND a<10;
+SELECT MAX(a) FROM t1 WHERE RAND()*0<>0 AND a<10;
+
+DROP TABLE t1,t2;
+
+--echo #
+--echo # Bug #879860: MIN/MAX for subquery returning empty set 
+--echo #
+
+CREATE TABLE t1 (a int PRIMARY KEY);
+INSERT INTO t1 VALUES (1);
+
+CREATE TABLE t2 (a int NOT NULL);
+INSERT INTO t2 VALUES (10);
+
+CREATE TABLE t3 ( a int, b int);
+INSERT INTO t3 VALUES (19,1), (20,5);
+
+EXPLAIN EXTENDED
+SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3;
+SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3;
+
+DROP TABLE t1,t2,t3;
+
+--echo #
+--echo End of 5.2 tests
+
+--echo #
 --echo # BUG#46680 - Assertion failed in file item_subselect.cc, 
 --echo #             line 305 crashing on HAVING subquery
 --echo #
diff --git a/mysql-test/t/join_cache.test b/mysql-test/t/join_cache.test
index 4600da9ee17..668d0ca7891 100644
--- a/mysql-test/t/join_cache.test
+++ b/mysql-test/t/join_cache.test
@@ -3423,5 +3423,164 @@ SET optimizer_switch=@tmp_optimizer_switch;
 
 DROP TABLE t1,t2,t3,t4;
 
+--echo #
+--echo # Bug#53305 Duplicate weedout + join buffer (join cache --level=7,8)
+--echo #
+
+create table t1 (uid int, fid int, index(uid));
+insert into t1 values
+  (1,1), (1,2), (1,3), (1,4),
+  (2,5), (2,6), (2,7), (2,8),
+  (3,1), (3,2), (3,9);
+
+create table t2 (uid int primary key, name varchar(128), index(name));
+insert into t2 values 
+  (1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"),
+  (6, "F"), (7, "G"), (8, "H"), (9, "I");
+
+create table t3 (uid int, fid int, index(uid));
+insert into t3 values
+  (1,1), (1,2), (1,3),(1,4),
+  (2,5), (2,6), (2,7), (2,8),
+  (3,1), (3,2), (3,9);
+
+set @tmp_optimizer_switch=@@optimizer_switch;
+set  @@optimizer_switch='semijoin=on';
+set optimizer_switch='materialization=off';
+set optimizer_switch='loosescan=off,firstmatch=off';
+set optimizer_switch='mrr_sort_keys=off';
+set join_cache_level=7;
+
+create table t4 (uid int primary key, name varchar(128), index(name));
+insert into t4 values 
+  (1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"),
+  (6, "F"), (7, "G"), (8, "H"), (9, "I");
+
+explain select name from t2, t1 
+  where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid)
+        and t2.uid=t1.fid;
+
+--sorted_result
+select name from t2, t1 
+  where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid)
+        and t2.uid=t1.fid;
+
+set join_cache_level = default;
+set optimizer_switch=@tmp_optimizer_switch;
+
+drop table t1,t2,t3,t4;
+
+--echo #
+--echo # Bug#50358 - semijoin execution of subquery with outerjoin
+--echo #             emplying join buffer
+--echo #
+
+CREATE TABLE t1 (i int);
+CREATE TABLE t2 (i int);
+CREATE TABLE t3 (i int);
+INSERT INTO t1 VALUES (1), (2);
+INSERT INTO t2 VALUES (6);
+INSERT INTO t3 VALUES (1), (2);
+
+set @tmp_optimizer_switch=@@optimizer_switch;
+set  @@optimizer_switch='semijoin=on';
+set optimizer_switch='materialization=on';
+
+set join_cache_level=0;
+EXPLAIN
+SELECT * FROM t1 WHERE t1.i IN 
+                       (SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
+SELECT * FROM t1 WHERE t1.i IN 
+                       (SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
+
+set join_cache_level=2;
+EXPLAIN
+SELECT * FROM t1 WHERE t1.i IN 
+                       (SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
+SELECT * FROM t1 WHERE t1.i IN 
+                       (SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i);
+
+set join_cache_level = default;
+set optimizer_switch=@tmp_optimizer_switch;
+
+DROP TABLE t1,t2,t3;
+
+--echo #
+--echo # Bug #12546542: missing row with semijoin=off + join cache
+--echo # (LP bug #922971)
+--echo #
+
+CREATE TABLE t1 (a varchar(1024));
+INSERT INTO t1 VALUES ('v'), ('we');
+CREATE TABLE t2 (
+  a varchar(1024) CHARACTER SET utf8 DEFAULT NULL, b int, c int
+);
+INSERT INTO t2 VALUES ('we',4,NULL), ('v',1305673728,6);
+CREATE TABLE t3 (b int, c int);
+INSERT INTO t3 VALUES (4,4);
+
+set @tmp_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=off';
+set optimizer_switch='materialization=off';
+
+set join_cache_level=0;
+EXPLAIN
+SELECT * FROM t1
+  WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b 
+                WHERE t2.c < 10 OR t3.c > 1);
+
+SELECT * FROM t1
+  WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b 
+                WHERE t2.c < 10 OR t3.c > 1);
+
+set join_cache_level=2;
+EXPLAIN
+SELECT * FROM t1
+  WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
+                WHERE t2.c < 10 OR t3.c > 1);
+SELECT * FROM t1
+  WHERE a IN (SELECT t2.a FROM t2 LEFT JOIN t3 ON t2.b = t3.b
+                WHERE t2.c < 10 OR t3.c > 1);
+
+set join_cache_level = default;
+set optimizer_switch=@tmp_optimizer_switch;
+
+DROP TABLE t1,t2,t3;
+
+--echo #
+--echo # Bug #925985: LEFT JOIN with optimize_join_buffer_size=off +
+--echo #              join_buffer_size > join_buffer_space_limit
+--echo #
+
+CREATE TABLE t1 (a int);
+INSERT INTO t1 VALUES (5), (3);
+
+CREATE TABLE t2 (a int, b int);
+INSERT INTO t2 VALUES
+  (3,30), (1,10), (7,70), (2,20),
+  (3,31), (1,11), (7,71), (2,21),
+  (3,32), (1,12), (7,72), (2,22);
+
+CREATE TABLE t3 (b int, c int);
+INSERT INTO t3 VALUES (32, 302), (42,400), (30,300);
+
+set @tmp_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='optimize_join_buffer_size=off';
+set join_buffer_space_limit=4096;
+set join_buffer_size=4096*2;
+set join_cache_level=2;
+set optimizer_switch='outer_join_with_cache=on';
+
+EXPLAIN
+SELECT * FROM t1, t2 LEFT JOIN t3 ON t2.b=t3.b WHERE t1.a=t2.a;
+SELECT * FROM t1, t2 LEFT JOIN t3 ON t2.b=t3.b WHERE t1.a=t2.a;
+  
+set join_buffer_space_limit=default;
+set join_buffer_size=default;
+set join_cache_level=default;
+set optimizer_switch=@tmp_optimizer_switch;
+
+DROP TABLE t1,t2,t3;
+
 # this must be the last command in the file
 set @@optimizer_switch=@save_optimizer_switch;
diff --git a/mysql-test/t/join_outer_innodb.test b/mysql-test/t/join_outer_innodb.test
index 0d47c4ea57b..c5cf66c816b 100644
--- a/mysql-test/t/join_outer_innodb.test
+++ b/mysql-test/t/join_outer_innodb.test
@@ -61,3 +61,18 @@ ORDER BY pk;
 DROP TABLE t1,t2;
 
 --echo # End BUG#58456
+
+#
+# Bug #848652: crash with RIGHT JOIN and GROUP BY
+# 
+
+CREATE TABLE t1(a int, b int, KEY (a), PRIMARY KEY (b))  ENGINE=InnoDB;
+
+CREATE TABLE t2 (b int, PRIMARY KEY (b));
+INSERT INTO t2 VALUES (4),(9);
+
+SELECT STRAIGHT_JOIN t1.a FROM t1 RIGHT JOIN t2 ON t1.b = t2.b
+  WHERE (t1.b NOT BETWEEN 1 AND 7 OR t1.a IS NULL AND t1.b = t2.b) AND t2.b = 4
+GROUP BY 1;
+
+DROP TABLE t1,t2;
diff --git a/mysql-test/t/myisam_mrr.test b/mysql-test/t/myisam_mrr.test
index 1e070ec9a34..28385c61b0f 100644
--- a/mysql-test/t/myisam_mrr.test
+++ b/mysql-test/t/myisam_mrr.test
@@ -268,5 +268,58 @@ set @@join_cache_level= @tmp_730133_jcl;
 set @@optimizer_switch= @tmp_730133_os;
 drop table t1;
 
+--echo #
+--echo # Test of MRR handler counters
+--echo #
+flush status;
+show status like 'Handler_mrr%';
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1 (a int, b int, filler char(200), key(a));
+insert into t1 
+select A.a+10*B.a+100*C.a+1000*D.a, 123,'filler' from t0 A, t0 B, t0 C, t0 D;
+
+explain select sum(b) from t1 where a < 10;
+--echo # This should show one MRR scan and no re-fills:
+flush status;
+select sum(b) from t1 where a < 10;
+show status like 'handler_mrr%';
+
+set @mrr_buffer_size_save= @@mrr_buffer_size;
+--disable_warnings
+set mrr_buffer_size=128;
+--enable_warnings
+
+explain select sum(b) from t1 where a < 1600;
+--echo # This should show one MRR scan and one extra rowid sort:
+flush status;
+select sum(b) from t1 where a < 1600;
+show status like 'handler_mrr%';
+set @@mrr_buffer_size= @mrr_buffer_size_save;
+
+--echo #Now, let's check BKA: 
+set @join_cache_level_save= @@join_cache_level;
+set @join_buffer_size_save= @@join_buffer_size;
+set join_cache_level=6;
+
+explain select sum(t1.b) from t0,t1 where t0.a=t1.a;
+flush status;
+select sum(t1.b) from t0,t1 where t0.a=t1.a;
+show status like 'handler_mrr%';
+
+--disable_warnings
+set join_buffer_size=10;
+--enable_warnings
+explain select sum(t1.b) from t0,t1 where t0.a=t1.a;
+flush status;
+select sum(t1.b) from t0,t1 where t0.a=t1.a;
+--replace_result 1 1or2 2 1or2
+show status like 'handler_mrr%';
+
+set join_cache_level= @join_cache_level_save;
+set join_buffer_size= @join_buffer_size_save;
+
+drop table t0, t1;
+
 ## This must be last line in the file:
 set optimizer_switch= @myisam_mrr_tmp;
diff --git a/mysql-test/t/order_by.test b/mysql-test/t/order_by.test
index 82116558717..a6f50107cbe 100644
--- a/mysql-test/t/order_by.test
+++ b/mysql-test/t/order_by.test
@@ -1562,7 +1562,6 @@ select 1 order by max(1) + min(1);
 
 --echo End of 5.1 tests
 
-
 --echo #
 --echo # Bug #38745: MySQL 5.1 optimizer uses filesort for ORDER BY
 --echo #             when it should use index
@@ -1585,3 +1584,32 @@ SELECT t1.*, t2.* FROM t1 JOIN t2 ON t1.i1 = t2.i2
   ORDER BY t1.i1 LIMIT 5;
 
 DROP TABLE t1, t2, t3;
+
+--echo #
+--echo # Fix of LP BUG#793589 Wrong result with double ORDER BY
+--echo #
+CREATE TABLE t1 ( b int) ;
+INSERT INTO t1 VALUES (8),(9);
+
+CREATE TABLE t2 ( a int, b int, PRIMARY KEY (a)) ;
+INSERT INTO t2 VALUES (6,7),(7,7),(8,1),(9,7),(10,1),(11,5),(12,2),(13,0),(14,1),(15,8),(16,1),(17,1),(18,9),(19,1),(20,5);
+
+SELECT t2.b AS field1 FROM t1, t2 WHERE t1.b = t2.a GROUP BY field1 ORDER BY t1.b, field1;
+SELECT t2.b, t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b, t2.b;
+SELECT t2.b,t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
+SELECT t2.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
+
+--echo # field1 removed from ORDER BY
+explain extended
+SELECT t2.b AS field1 FROM t1, t2 WHERE t1.b = t2.a GROUP BY field1 ORDER BY t1.b, field1;
+explain extended
+SELECT t2.b, t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b, t2.b;
+explain extended
+SELECT t2.b,t1.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
+explain extended
+SELECT t2.b FROM t1, t2 WHERE t1.b = t2.a GROUP BY t2.b ORDER BY t1.b;
+
+
+drop table t1,t2;
+
+--echo End of 5.2 tests
diff --git a/mysql-test/t/partition_pruning.test b/mysql-test/t/partition_pruning.test
index da41b8e9428..1c8a4d254a8 100644
--- a/mysql-test/t/partition_pruning.test
+++ b/mysql-test/t/partition_pruning.test
@@ -1106,12 +1106,14 @@ show status like 'Handler_read_key';
 flush status;
 delete from t2 where b > 5;
 show status like 'Handler_read_rnd_next';
+show status like 'Handler_read_rnd_deleted';
 show status like 'Handler_read_key';
 show status like 'Handler_read_prev';
 show status like 'Handler_read_next';
 flush status;
 delete from t2 where b < 5 or b > 3;
 show status like 'Handler_read_rnd_next';
+show status like 'Handler_read_rnd_deleted';
 show status like 'Handler_read_key';
 show status like 'Handler_read_prev';
 show status like 'Handler_read_next';
diff --git a/mysql-test/t/status.test b/mysql-test/t/status.test
index 76769e78d90..9395323d32b 100644
--- a/mysql-test/t/status.test
+++ b/mysql-test/t/status.test
@@ -369,6 +369,16 @@ show status like 'Handler%';
 show status like '%tmp%';
 drop table t1;
 
+#
+# Test of handler status counts
+#
+CREATE TABLE t1 (i int(11) DEFAULT NULL, KEY i (i) ) ENGINE=MyISAM;
+insert into t1 values (1),(2),(3),(4),(5);
+flush status;
+select * from t1 where i=5 union select * from t1 where i=5;
+show status like "handler%";
+drop table t1;
+
 # End of 5.3 tests
 
 # Restore global concurrent_insert value. Keep in the end of the test file.
diff --git a/mysql-test/t/subselect.test b/mysql-test/t/subselect.test
index cb43eb9f646..40ecfead133 100644
--- a/mysql-test/t/subselect.test
+++ b/mysql-test/t/subselect.test
@@ -3519,6 +3519,8 @@ SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
 
 ## First a simpler query, illustrating the transformation
 ## '1 < some (...)' => '1 < max(...)'
+EXPLAIN EXTENDED
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
 SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
 
 ## The query which made the server crash.
@@ -4431,8 +4433,6 @@ WHERE t1.a = d1.a;
 DROP TABLE t1;
 
 
---echo End of 5.1 tests.
-
 #
 # Bug #47904 Incorrect results w/ table subquery, derived SQs, and LEFT JOIN on index
 #
@@ -4879,11 +4879,141 @@ INSERT INTO t3 VALUES (0),(0);
 SELECT a1.f3 AS r FROM t2 AS a1 , t1 WHERE a1.f3 < ALL ( SELECT f3 FROM t3 WHERE f3 = 1 ) ;
 DROP TABLE t1, t2, t3;
 
+--echo #
+--echo # Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
+--echo #
+
+CREATE TABLE t1(a1 int);
+INSERT INTO t1 VALUES (1),(2);
+
+CREATE TABLE t2(a1 int);
+INSERT INTO t2 VALUES (3);
+
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+
+## All these are subject to the transformation
+## '1 < some (...)' => '1 < max(...)'
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
+SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
+
+SET SESSION sql_mode=@old_sql_mode;
+
+DROP TABLE t1, t2;
+
+create table t2(i int);
+insert into t2 values(0);
+
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+
+CREATE VIEW v1 AS  
+SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
+;
+
+CREATE TABLE t1 (
+  pk int NOT NULL,
+  col_varchar_key varchar(1) DEFAULT NULL,
+  PRIMARY KEY (pk),
+  KEY col_varchar_key (col_varchar_key)
+);
+
+SELECT t1.pk
+FROM t1
+WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
+;
+
+SET SESSION sql_mode=@old_sql_mode;
+
+drop table t2, t1;
+drop view v1;
+
+--echo #
+--echo # BUG#50257: Missing info in REF column of the EXPLAIN 
+--echo #            lines for subselects
+--echo #
+
+CREATE TABLE t1 (a INT, b INT, INDEX (a));
+INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
+
+EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
+EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
+
+DROP TABLE t1;
+
+--echo #
+--echo # BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
+--echo # (duplicate of LP bug #888456)
+--echo #
+
+CREATE TABLE t1 (f1 varchar(1));
+INSERT INTO t1 VALUES ('v'),('s');
+
+CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
+INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
+('d'),('y'),('t'),('d'),('s');
+
+EXPLAIN
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+  WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+                  WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
+  WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
+                  WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
+
+DROP TABLE t1,t2;
+
+--echo #
+--echo # LP bug 919427: EXPLAIN for a query over a single-row table 
+--echo #                with IN subquery in WHERE condition
+--echo # 
+
+CREATE TABLE ot (
+  col_int_nokey int(11), 
+  col_varchar_nokey varchar(1)
+) ;
+INSERT INTO ot VALUES (1,'x');
+
+CREATE TABLE it1(
+  col_int_key int(11), 
+  col_varchar_key varchar(1), 
+  KEY idx_cvk_cik (col_varchar_key,col_int_key)
+);
+INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');
+
+CREATE TABLE it2 (
+   col_int_key int(11),
+   col_varchar_key varchar(1),
+   col_varchar_key2 varchar(1),
+   KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
+   KEY idx_cvk_cik (col_varchar_key, col_int_key)
+);
+INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');
+
+EXPLAIN
+SELECT col_int_nokey FROM ot 
+  WHERE col_varchar_nokey IN 
+        (SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+SELECT col_int_nokey FROM ot 
+  WHERE col_varchar_nokey IN 
+        (SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
+
+EXPLAIN
+SELECT col_int_nokey FROM ot
+  WHERE (col_varchar_nokey, 'x') IN
+        (SELECT col_varchar_key, col_varchar_key2 FROM it2);
+SELECT col_int_nokey FROM ot
+  WHERE (col_varchar_nokey, 'x') IN
+        (SELECT col_varchar_key, col_varchar_key2 FROM it2);
+
+DROP TABLE ot,it1,it2;
+
 --echo End of 5.2 tests
 
 --echo #
 --echo # BUG#779885: Crash in eliminate_item_equal with materialization=on in
---echo # maria-5.3
 --echo #
 
 CREATE TABLE t1 ( f1 int );
@@ -4936,32 +5066,6 @@ SET optimizer_switch=@save_optimizer_switch;
 
 drop table t1, t2, t3;
 
---echo End of 5.3 tests
-
---echo #
---echo # Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
---echo #
-
-CREATE TABLE t1(a1 int);
-INSERT INTO t1 VALUES (1),(2);
-
-CREATE TABLE t2(a1 int);
-INSERT INTO t2 VALUES (3);
-
-SELECT @@session.sql_mode INTO @old_sql_mode;
-SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
-
-## All these are subject to the transformation
-## '1 < some (...)' => '1 < max(...)'
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
-SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
-
-SET SESSION sql_mode=@old_sql_mode;
-
-DROP TABLE t1, t2;
-
 --echo #
 --echo # BUG#50257: Missing info in REF column of the EXPLAIN 
 --echo #            lines for subselects
@@ -4982,6 +5086,55 @@ EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
 DROP TABLE t1;
 
 --echo #
+--echo # Bug#11764086: Null left operand to NOT IN in WHERE clause
+--echo # behaves differently than real NULL
+--echo #
+
+CREATE TABLE parent (id int);
+INSERT INTO parent VALUES (1), (2);
+
+CREATE TABLE child (parent_id int, other int);
+INSERT INTO child VALUES (1,NULL);
+
+--echo # Offending query (c.parent_id is NULL for null-complemented rows only)
+
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id NOT IN (
+              SELECT parent_id 
+              FROM   child
+              WHERE  parent_id = 3
+          );
+
+--echo # Some syntactic variations with IS FALSE and IS NOT TRUE
+
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+              SELECT parent_id 
+              FROM   child
+              WHERE  parent_id = 3
+          ) IS NOT TRUE;
+
+SELECT    p.id, c.parent_id
+FROM      parent p
+LEFT JOIN child  c
+ON        p.id = c.parent_id
+WHERE     c.parent_id IN (
+              SELECT parent_id 
+              FROM   child
+              WHERE  parent_id = 3
+          ) IS FALSE;
+
+DROP TABLE parent, child;
+
+--echo # End of test for bug#11764086.
+
+--echo #
 --echo # Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET || 
 --echo #                BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
 --echo #
@@ -5279,6 +5432,17 @@ SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;
 
 drop table t1,t2,t3;
 
+--echo #
+--echo # LP BUG#905353 Wrong non-empty result with a constant table,
+--echo # aggregate function in subquery, MyISAM or Aria
+--echo #
+
+CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1);
+
+SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );
+
+drop table t1;
 
 --echo # return optimizer switch changed in the beginning of this test
 set optimizer_switch=@subselect_tmp;
diff --git a/mysql-test/t/subselect_sj.test b/mysql-test/t/subselect_sj.test
index f34cf5ba338..6b8a757b9e8 100644
--- a/mysql-test/t/subselect_sj.test
+++ b/mysql-test/t/subselect_sj.test
@@ -1136,6 +1136,262 @@ WHERE (int_nokey, pk)
 
 DROP TABLE t1, t2, t3;
 
+--echo # 
+--echo # BUG#53060: LooseScan semijoin strategy does not return all rows
+--echo # 
+
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='semijoin=on,materialization=off';
+set optimizer_switch='firstmatch=off,loosescan=on';
+
+CREATE TABLE t1 (i INTEGER);
+INSERT INTO t1 VALUES (1), (2), (3), (4), (5);
+CREATE TABLE t2 (i INTEGER, j INTEGER, KEY k(i, j));
+INSERT INTO t2 VALUES (1, 0), (1, 1), (2, 0), (2, 1);
+
+EXPLAIN
+SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
+SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0);
+
+DROP TABLE t1, t2;
+
+set optimizer_switch=@save_optimizer_switch;
+
+--echo #
+--echo # BUG#49453: re-execution of prepared statement with view 
+--echo #            and semijoin crashes
+--echo #
+
+CREATE TABLE t1 (city VARCHAR(50), country_id INT);
+CREATE TABLE t2 (country_id INT, country VARCHAR(50));
+
+INSERT INTO t1 VALUES 
+  ('Batna',2),('Bchar',2),('Skikda',2),('Tafuna',3),('Algeria',2) ;
+INSERT INTO t2 VALUES (2,'Algeria'),(2,'AlgeriaDup'),(3,'XAmerican Samoa');
+
+CREATE VIEW v1 AS 
+  SELECT country_id as vf_country_id
+  FROM t2
+  WHERE LEFT(country,1) = "A"; 
+
+PREPARE stmt FROM "
+SELECT city, country_id
+FROM t1
+WHERE country_id IN (SELECT vf_country_id FROM v1);
+";
+
+--echo
+EXECUTE stmt;
+EXECUTE stmt;
+
+DROP TABLE t1,t2;
+DROP VIEW v1;
+
+--echo #
+--echo # Bug#54437 Extra rows with LEFT JOIN + semijoin 
+--echo #
+
+create table t1 (a int);
+create table t2 (a int);
+create table t3 (a int);
+insert into t1 values(1),(1);
+insert into t2 values(1),(1),(1),(1);
+insert into t3 values(2),(2);
+
+set @save_optimizer_switch=@@optimizer_switch;
+
+set optimizer_switch='materialization=off';
+
+set optimizer_switch='semijoin=off';
+explain
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+
+set optimizer_switch='semijoin=on';
+explain
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a);
+
+set optimizer_switch=@save_optimizer_switch;
+
+drop table t1,t2,t3;
+
+--echo #
+--echo # Bug#55955: crash in MEMORY engine with IN(LEFT JOIN (JOIN))
+--echo #
+
+CREATE TABLE t1 (a INT);
+CREATE TABLE t2 (a INT);
+CREATE TABLE t3 (a INT);
+INSERT INTO t1 VALUES(1),(1);
+INSERT INTO t2 VALUES(1),(1);
+INSERT INTO t3 VALUES(2),(2);
+
+set @save_optimizer_switch=@@optimizer_switch;
+
+set optimizer_switch='semijoin=off,materialization=off';
+EXPLAIN
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+               FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+               FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+
+set optimizer_switch='semijoin=off,materialization=on';
+EXPLAIN
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+               FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+               FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+
+set optimizer_switch='semijoin=on,materialization=off';
+EXPLAIN
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+               FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+SELECT * FROM t1
+WHERE t1.a IN (SELECT t2.a
+               FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a);
+
+set optimizer_switch=@save_optimizer_switch;
+
+DROP TABLE t1,t2,t3;
+
+--echo #
+--echo # BUG#52329 - Wrong result: subquery materialization, IN, 
+--echo #             non-null field followed by nullable
+--echo #
+
+CREATE TABLE t1 (a1 CHAR(8) NOT NULL, a2 char(8) NOT NULL);
+
+CREATE TABLE t2a (b1 char(8), b2 char(8));
+CREATE TABLE t2b (b1 CHAR(8), b2 char(8) NOT NULL);
+CREATE TABLE t2c (b1 CHAR(8) NOT NULL, b2 char(8));
+
+INSERT INTO t1 VALUES ('1 - 12', '2 - 22');
+
+INSERT INTO t2a VALUES ('1 - 11', '2 - 21'),
+                       ('1 - 11', '2 - 21'),
+                       ('1 - 12', '2 - 22'),
+                       ('1 - 12', '2 - 22'),
+                       ('1 - 13', '2 - 23');
+
+INSERT INTO t2b SELECT * FROM t2a;
+INSERT INTO t2c SELECT * FROM t2a;
+
+set @save_optimizer_switch=@@optimizer_switch;
+
+set optimizer_switch='semijoin=off,materialization=on';
+
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+      SELECT b1, b2 FROM t2c WHERE b1 > '0' GROUP BY b1, b2);
+
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+      SELECT b1, b2 FROM t2a WHERE b1 > '0');
+
+
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+      SELECT b1, b2 FROM t2b WHERE b1 > '0');
+
+
+SELECT * FROM t1
+WHERE (a1, a2) IN (
+      SELECT b1, b2 FROM t2c WHERE b1 > '0');
+
+set optimizer_switch=@save_optimizer_switch;
+
+DROP TABLE t1,t2a,t2b,t2c;
+
+--echo #
+--echo # Bug#57623: subquery within before insert trigger causes crash (sj=on)
+--echo #
+
+CREATE TABLE ot1(a INT);
+CREATE TABLE ot2(a INT);
+CREATE TABLE ot3(a INT);
+CREATE TABLE it1(a INT);
+
+INSERT INTO ot1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
+INSERT INTO ot2 VALUES(0),(2),(4),(6);
+INSERT INTO ot3 VALUES(0),(3),(6);
+INSERT INTO it1 VALUES(0),(1),(2),(3),(4),(5),(6),(7);
+
+let $query=
+SELECT *
+FROM   ot1
+     LEFT JOIN
+       (ot2 JOIN ot3 on ot2.a=ot3.a)
+     ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1);
+
+set @save_optimizer_switch=@@optimizer_switch;
+
+set optimizer_switch='semijoin=on';
+
+set optimizer_switch='materialization=off';
+eval explain $query;
+eval $query;
+eval prepare s from '$query';
+execute s;
+execute s;
+deallocate prepare s;
+
+set optimizer_switch='materialization=on';
+eval explain $query;
+eval $query;
+eval prepare s from '$query';
+execute s;
+execute s;
+deallocate prepare s;
+
+set optimizer_switch=@save_optimizer_switch;
+
+DROP TABLE ot1, ot2, ot3, it1;
+
+--echo #
+--echo # Bug#59919/11766739: Crash in tmp_table_param::init() with semijoin=on
+--echo #
+
+CREATE TABLE t1 (f1 INTEGER) ENGINE=MyISAM;
+CREATE TABLE t2 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
+CREATE TABLE t3 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
+
+INSERT INTO t1 VALUES (1);
+INSERT INTO t2 VALUES (1,1), (2,1);
+INSERT INTO t3 VALUES 
+  (1,1), (2,1), (5,4), (7,3), (8,2), (8,1), (7,3),
+  (9,5), (4,3), (7,2), (7,7), (3,1), (5,8), (9,7);
+
+set @save_optimizer_switch=@@optimizer_switch;
+
+set optimizer_switch='semijoin=off,materialization=on';
+EXPLAIN
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+             FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+             FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+
+set optimizer_switch='semijoin=on,materialization=on';
+EXPLAIN
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+             FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+SELECT * FROM t3
+WHERE f2 IN (SELECT t1.f1
+             FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
+
+set optimizer_switch=@save_optimizer_switch;
+
+DROP TABLE t1, t2, t3 ;
+
+--echo #
 --echo #
 --echo # BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3  
 --echo #
@@ -2017,5 +2273,63 @@ SELECT a, COUNT(*) FROM t1
 
 DROP TABLE t1, t2, t3;
 
+--echo #
+--echo # BUG#920255: Wrong result (extra rows) with loosescan and IN subquery
+--echo #
+CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, KEY(b) );
+INSERT INTO t1 VALUES
+  (1,2),(2,1),(3,3),(4,2),(5,5),
+  (6,3),(7,1),(8,4),(9,3),(10,2);
+
+CREATE TABLE t2 ( c INT, d INT, UNIQUE KEY(c) );
+INSERT INTO t2 VALUES
+  (1,2),(2,1),(3,3),(4,2),(5,5),(6,3),(7,1);
+
+SELECT a, b, d FROM t1, t2
+WHERE ( b, d ) IN
+  ( SELECT b, d FROM t1, t2 WHERE b = c );
+
+DROP TABLE t1, t2;
+
+--echo #
+--echo # BUG#920713: Wrong result (missing rows) with firstmatch+BNL, IN subquery, ...
+--echo #
+# t1 should be MyISAM or InnoDB
+CREATE TABLE t1 ( a VARCHAR(1) ) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('e'),('w'),('a'),('h'),('x'),('k'),('g');
+CREATE TABLE t2 ( b INT, c VARCHAR(1) );
+INSERT INTO t2 VALUES (0,'j'),(8,'v');
+
+#SET debug_optimizer_prefer_join_prefix= 'alias2,alias4,alias1,alias3';
+
+SELECT * FROM t1 alias1, t2 alias2
+WHERE alias2.c IN (
+  SELECT alias4.c FROM t1 alias3, t2 alias4
+);
+
+DROP TABLE t1, t2;
+
+--echo #
+--echo # BUG#923246: Loosescan reports different result than other semijoin methods
+--echo #
+set @tmp_923246= @@optimizer_switch;
+set optimizer_switch='mrr=on,materialization=off';
+
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+
+create table t1 (kp1 int, kp2 int, c int, filler char(100), key(kp1, kp2));
+insert into t1 select A.a+10*(B.a+10*C.a), 0, 0, 'filler' from t0 A, t0 B, t0 C;
+insert into t1 select * from t1 where kp1 < 20;
+
+create table t3 (a int);
+insert into t3 select A.a + 10*B.a from t0 A, t0 B;
+
+select * from t3 where a in (select kp1 from t1 where kp1<20);
+explain select * from t3 where a in (select kp1 from t1 where kp1<20);
+
+drop table t0,t1,t3;
+set optimizer_switch= @tmp_923246;
+
 # The following command must be the last one the file 
 set optimizer_switch=@subselect_sj_tmp;
diff --git a/mysql-test/t/subselect_sj2.test b/mysql-test/t/subselect_sj2.test
index a77a70bbe4e..ede631f32be 100644
--- a/mysql-test/t/subselect_sj2.test
+++ b/mysql-test/t/subselect_sj2.test
@@ -1079,5 +1079,19 @@ SELECT * FROM t3 LEFT JOIN (v1,t2) ON t3.a = t2.a
 DROP VIEW v1;
 DROP TABLE t1,t2,t3,t4;
 
+--echo #
+--echo # BUG#912538: Wrong result (missing rows) with semijoin=on, firstmatch=on, ...
+--echo #
+CREATE TABLE t1 ( a INT NOT NULL, UNIQUE KEY(a) );
+INSERT INTO t1 VALUES (1),(2),(3),(4);
+
+# t2 needs to be InnoDB
+CREATE TABLE t2 ( b INT, c INT ) ENGINE=InnoDB;
+INSERT INTO t2 VALUES (1,1);
+
+SELECT * FROM t1, t2 WHERE c IN (SELECT c FROM t1, t2 WHERE a = b);
+
+DROP TABLE t1,t2;
+
 --echo # This must be the last in the file:
 set optimizer_switch=@subselect_sj2_tmp;
diff --git a/mysql-test/t/subselect_sj_jcl6.test b/mysql-test/t/subselect_sj_jcl6.test
index 4eeaa465b11..6d563cab3d3 100644
--- a/mysql-test/t/subselect_sj_jcl6.test
+++ b/mysql-test/t/subselect_sj_jcl6.test
@@ -88,6 +88,32 @@ set join_cache_level=default;
 
 DROP TABLE t1,t2,t3;
 
+--echo #
+--echo # BUG#912513: Wrong result (missing rows) with join_cache_hashed+materialization+semijoin=on
+--echo #
+set @os_912513= @@optimizer_switch;
+set @jcl_912513= @@join_cache_level;
+SET optimizer_switch = 'semijoin=on,materialization=on,join_cache_hashed=on';
+SET join_cache_level = 3;
+
+CREATE TABLE t1 ( a INT, b INT, KEY(a) );
+INSERT INTO t1 VALUES
+  (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7);
+
+CREATE TABLE t2 ( c INT );
+INSERT INTO t2 VALUES (1),(2),(3),(4),(5),(6),(7);
+
+SELECT alias1.* FROM
+    t1 AS alias1 INNER JOIN t1 AS alias2
+      ON alias2.a = alias1.b
+WHERE alias1.b IN (
+        SELECT a FROM t1, t2
+    );
+
+DROP table t1, t2;
+set @@optimizer_switch= @os_912513;
+set @@join_cache_level= @jcl_912513;
+
 --echo # End
 
 set join_cache_level=default;
diff --git a/mysql-test/t/subselect_sj_mat.test b/mysql-test/t/subselect_sj_mat.test
index 2a5b0f56877..0840029c5e0 100644
--- a/mysql-test/t/subselect_sj_mat.test
+++ b/mysql-test/t/subselect_sj_mat.test
@@ -1510,6 +1510,42 @@ SELECT * FROM t1 LEFT JOIN t2 ON ( a = b )
 
 DROP TABLE t1,t2;
 
+--echo #
+--echo # BUG#922254: Assertion `0' failed at item_cmpfunc.cc:5899: Item* Item_equal::get_first(JOIN_TAB*, Item*)
+--echo #
+CREATE TABLE t1 ( a VARCHAR(3) );
+CREATE TABLE t2 ( b VARCHAR(3), c VARCHAR(8), KEY(c) );
+INSERT INTO t2 VALUES ('USA','Abilene'),('USA','Akron');
+
+EXPLAIN
+SELECT * FROM
+  ( SELECT * FROM t1 ) AS alias1,
+  t2 AS alias2
+WHERE b = a AND a IN (
+  SELECT alias3.c
+  FROM t2 AS alias3, t2 AS alias4
+  WHERE alias4.c = alias3.b
+);
+
+DROP TABLE t1,t2;
+
+--echo #
+--echo # BUG#928048: Query containing IN subquery with OR in the where clause returns a wrong result
+--echo #
+create table t1 (a int, b int);
+insert into t1 values (7,5), (3,3), (5,4), (9,3);
+
+create table t2 (a int, b int, index i_a(a));
+
+insert into t2 values
+  (4,2), (7,9), (7,4), (3,1), (5,3), (3,1), (9,4), (8,1);
+
+explain select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
+select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
+
+drop table t1,t2;
+
+
 --echo # This must be at the end:
 set optimizer_switch=@subselect_sj_mat_tmp;
 set join_cache_level=@save_join_cache_level;
diff --git a/mysql-test/t/sum_distinct.test b/mysql-test/t/sum_distinct.test
index c58155a8e25..633a72fddc8 100644
--- a/mysql-test/t/sum_distinct.test
+++ b/mysql-test/t/sum_distinct.test
@@ -93,3 +93,15 @@ SELECT SUM(DISTINCT id) FROM t1;
 SELECT SUM(DISTINCT id % 11) FROM t1;
 
 DROP TABLE t1;
+
+--echo #
+--echo # Bug #777654: empty subselect in FROM clause returning  
+--echo #              SUM(DISTINCT) over non-nullable field 
+--echo #
+
+CREATE TABLE t1 (a int NOT NULL) ;
+
+SELECT SUM(DISTINCT a) FROM t1;
+SELECT * FROM (SELECT SUM(DISTINCT a) FROM t1) AS t;
+
+DROP TABLE t1;
diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test
index 5fd8da745e4..79c733ed791 100644
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@@ -4018,6 +4018,59 @@ drop table t1,t2;
 --echo # -----------------------------------------------------------------
 --echo # -- End of 5.1 tests.
 --echo # -----------------------------------------------------------------
+--echo #
+--echo # Bug #794005: crash in st_table::mark_virtual_columns_for_write
+--echo #
+
+CREATE TABLE t1 (a int);
+insert into t1 values (1);
+CREATE TABLE t2 (a int);
+insert into t2 values (1);
+
+CREATE VIEW v2 AS SELECT * FROM t2;
+CREATE VIEW v1 AS SELECT * FROM v2;
+CREATE VIEW v3 AS SELECT t2.a,v1.a as b FROM t2,v1 where t2.a=v1.a;
+CREATE OR REPLACE ALGORITHM = TEMPTABLE VIEW v2 AS SELECT * FROM t1;
+
+--error ER_NON_UPDATABLE_TABLE
+UPDATE v1 SET a = 10;
+--error ER_NON_INSERTABLE_TABLE
+REPLACE v1 SET a = 10;
+--error ER_NON_INSERTABLE_TABLE
+INSERT into v1 values (20);
+--error ER_NON_UPDATABLE_TABLE
+DELETE from v1;
+--error ER_NON_UPDATABLE_TABLE
+UPDATE v3 SET b= 10;
+--error ER_NON_INSERTABLE_TABLE
+REPLACE v3 SET b= 10;
+--error ER_NON_INSERTABLE_TABLE
+INSERT into v3(b) values (20);
+--error ER_VIEW_DELETE_MERGE_VIEW
+DELETE from v3 where b=20;
+--error ER_VIEW_DELETE_MERGE_VIEW
+DELETE from v3 where a=20;
+--error ER_NON_UPDATABLE_TABLE
+DELETE v1 from v1,t1 where v1.a=t1.a;
+UPDATE v3 SET a = 10;
+REPLACE v3 SET a = 11;
+INSERT INTO v3(a) values (20);
+
+select * from t1;
+select * from t2;
+
+CREATE OR REPLACE ALGORITHM = MERGE VIEW v2 AS SELECT * FROM t2;
+DELETE from v1 where a=11;
+DELETE v1 from v1,t1 where v1.a=t1.a;
+select * from t1;
+select * from t2;
+
+DROP VIEW v1,v2,v3;
+DROP TABLE t1,t2;
+
+--echo # -----------------------------------------------------------------
+--echo # -- End of 5.2 tests.
+--echo # -----------------------------------------------------------------
 
 --echo #
 --echo # Bug #59696 Optimizer does not use equalities for conditions over view 
@@ -4493,4 +4546,8 @@ SELECT * FROM t1 RIGHT JOIN v2 ON ( v2.a = t1.a ) WHERE v2.b IN ( SELECT b FROM
 DROP VIEW v2;
 DROP TABLE t1, t2, t3;
 
+--echo # -----------------------------------------------------------------
+--echo # -- End of 5.3 tests.
+--echo # -----------------------------------------------------------------
+
 SET optimizer_switch=@save_optimizer_switch;
diff --git a/mysql-test/valgrind.supp b/mysql-test/valgrind.supp
index 6ee1167621a..b0d754211cd 100644
--- a/mysql-test/valgrind.supp
+++ b/mysql-test/valgrind.supp
@@ -413,133 +413,19 @@
    fun:__libc_start_main
 }
 
-{
-   dlclose memory loss from udf_free
-   Memcheck:Leak
-   fun:calloc
-   fun:_dlerror_run
-   fun:dlclose
-   fun:_Z8udf_freev
-}
-
-{
-   dlsym memory loss from udf_free on SuSE 11.1 x64 variant 2
-   Memcheck:Leak
-   fun:calloc
-   obj:/lib*/ld-*.so
-   fun:dlclose
-   fun:udf_free
-}
-
-{
-   dlclose memory loss from plugin variant 1
-   Memcheck:Leak
-   fun:calloc
-   fun:_dlerror_run
-   fun:dlclose
-   fun:plugin_dl_del(st_mysql_lex_string const*)
-}
-
-{
-   dlclose memory loss from plugin variant 2
-   Memcheck:Leak
-   fun:malloc
-   fun:_dl_close_worker
-   fun:_dl_close
-   fun:_dl_catch_error
-   fun:_dlerror_run
-   fun:dlclose
-   fun:_Z15free_plugin_memP12st_plugin_dl
-   fun:_Z13plugin_dl_delPK19st_mysql_lex_string
-}
-
-{
-   dlclose memory loss from plugin variant 3
-   Memcheck:Leak
-   fun:malloc
-   fun:_dl_scope_free
-   fun:_dl_close_worker
-   fun:_dl_close
-   fun:_dl_catch_error
-   fun:_dlerror_run
-   fun:dlclose
-   fun:_Z15free_plugin_memP12st_plugin_dl
-   fun:_Z13plugin_dl_delPK19st_mysql_lex_string
-}
-
-{
-   dlclose memory loss from plugin variant 4
-   Memcheck:Leak
-   fun:malloc
-   obj:/lib*/ld-*.so
-   obj:/lib*/ld-*.so
-   obj:/lib*/ld-*.so
-   obj:/lib*/libdl-*.so
-   fun:dlclose
-   fun:_ZL15free_plugin_memP12st_plugin_dl
-   fun:_ZL13plugin_dl_delPK19st_mysql_lex_string
-}
-
-{
-   dlclose memory loss from plugin variant 5
-   Memcheck:Leak
-   fun:malloc
-   obj:/lib*/ld-*.so
-   obj:/lib*/ld-*.so
-   obj:/lib*/ld-*.so
-   obj:/lib*/ld-*.so
-   obj:/lib*/libdl-*.so
-   fun:dlclose
-}
-
-{
-   dlclose memory loss from plugin variant 6, seen on Ubuntu Jaunty i686
-   Memcheck:Leak
-   fun:malloc
-   fun:_dl_scope_free
-   fun:_dl_close_worker
-   fun:_dl_close
-   fun:dlclose_doit
-   fun:_dl_catch_error
-   fun:_dlerror_run
-   fun:dlclose
-   fun:_ZL15free_plugin_memP12st_plugin_dl
-   fun:_ZL13plugin_dl_delPK19st_mysql_lex_string
-}
-
-{
-   dlclose memory loss from plugin variant 7, seen on Ubuntu Jaunty i686
-   Memcheck:Leak
-   fun:malloc
-   fun:_dl_close_worker
-   fun:_dl_close
-   fun:dlclose_doit
-   fun:_dl_catch_error
-   fun:_dlerror_run
-   fun:dlclose
-   fun:_ZL15free_plugin_memP12st_plugin_dl
-   fun:_ZL13plugin_dl_delPK19st_mysql_lex_string
-}
 
+#
+#  dlclose can allocate memory for error message, the memory will be
+#  freed by dlerror or other dl* function.
+#
 {
-   dlclose memory loss from plugin variant 8
+   memory "loss" from dlclose error messages
    Memcheck:Leak
-   fun:calloc
-   fun:_dlerror_run
+   fun:*alloc
+   ...
    fun:dlclose
-   fun:_Z15free_plugin_memP12st_plugin_dl
-   fun:_Z13plugin_dl_delPK19st_mysql_lex_string
 }
 
-{
-   dlclose memory loss from plugin variant 9
-   Memcheck:Leak
-   fun:calloc
-   fun:_dlerror_run
-   fun:dlclose
-   fun:_ZL15free_plugin_memP12st_plugin_dl
-   fun:_ZL13plugin_dl_delPK19st_mysql_lex_string
-}
 
 {
    dlclose memory loss from plugin variant 10
diff --git a/plugin/auth_dialog/dialog.c b/plugin/auth_dialog/dialog.c
index 2026369bc26..0fa5ab93a35 100644
--- a/plugin/auth_dialog/dialog.c
+++ b/plugin/auth_dialog/dialog.c
@@ -148,6 +148,8 @@ static int perform_dialog(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
     if (res)
       return CR_ERROR;
 
+    first= 0;
+
     /* repeat unless it was the last question */
   } while ((cmd & 1) != 1);
 
diff --git a/plugin/auth_pam/auth_pam.c b/plugin/auth_pam/auth_pam.c
index 45c49975f6e..ee13b37f793 100644
--- a/plugin/auth_pam/auth_pam.c
+++ b/plugin/auth_pam/auth_pam.c
@@ -1,5 +1,6 @@
 #include <mysql/plugin_auth.h>
 #include <string.h>
+#include <my_config.h>
 #include <security/pam_appl.h>
 #include <security/pam_modules.h>
 
@@ -8,6 +9,24 @@ struct param {
   MYSQL_PLUGIN_VIO *vio;
 };
 
+/* It least solaris doesn't have strndup */
+
+#ifndef HAVE_STRNDUP
+char *strndup(const char *from, size_t length)
+{
+  char *ptr;
+  size_t max_length= strlen(from);
+  if (length > max_length)
+    length= max_length;
+  if ((ptr= (char*) malloc(length+1)) != 0)
+  {
+    memcpy((char*) ptr, (char*) from, length);
+    ptr[length]=0;
+  }
+  return ptr;
+}
+#endif
+
 static int conv(int n, const struct pam_message **msg,
                 struct pam_response **resp, void *data)
 {
@@ -71,13 +90,21 @@ static int conv(int n, const struct pam_message **msg,
 
 #define DO(X) if ((status = (X)) != PAM_SUCCESS) goto end
 
+#ifdef SOLARIS
+typedef void** pam_get_item_3_arg;
+#else
+typedef const void** pam_get_item_3_arg;
+#endif
+
 static int pam_auth(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)
 {
   pam_handle_t *pamh = NULL;
   int status;
   const char *new_username;
   struct param param;
-  struct pam_conv c = { &conv, &param };
+  /* The following is written in such a way to make also solaris happy */
+  struct pam_conv pam_start_arg = { &conv, NULL };
+  pam_start_arg.appdata_ptr= (char*) &param;
 
   /*
     get the service name, as specified in
@@ -90,10 +117,10 @@ static int pam_auth(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)
   param.ptr = param.buf + 1;
   param.vio = vio;
 
-  DO( pam_start(service, info->user_name, &c, &pamh) );
+  DO( pam_start(service, info->user_name, &pam_start_arg, &pamh) );
   DO( pam_authenticate (pamh, 0) );
   DO( pam_acct_mgmt(pamh, 0) );
-  DO( pam_get_item(pamh, PAM_USER, (const void**)&new_username) );
+  DO( pam_get_item(pamh, PAM_USER, (pam_get_item_3_arg) &new_username) );
 
   if (new_username && strcmp(new_username, info->user_name))
     strncpy(info->authenticated_as, new_username,
@@ -104,7 +131,7 @@ end:
   return status == PAM_SUCCESS ? CR_OK : CR_ERROR;
 }
 
-static struct st_mysql_auth pam_info =
+static struct st_mysql_auth info =
 {
   MYSQL_AUTHENTICATION_INTERFACE_VERSION,
   "dialog",
@@ -114,7 +141,7 @@ static struct st_mysql_auth pam_info =
 maria_declare_plugin(pam)
 {
   MYSQL_AUTHENTICATION_PLUGIN,
-  &pam_info,
+  &info,
   "pam",
   "Sergei Golubchik",
   "PAM based authentication",
diff --git a/plugin/auth_socket/auth_socket.c b/plugin/auth_socket/auth_socket.c
index dbc8513e5dd..41cb1039fd2 100644
--- a/plugin/auth_socket/auth_socket.c
+++ b/plugin/auth_socket/auth_socket.c
@@ -89,7 +89,7 @@ mysql_declare_plugin(socket_auth)
 {
   MYSQL_AUTHENTICATION_PLUGIN,
   &socket_auth_handler,
-  "auth_socket",
+  "unix_socket",
   "Sergei Golubchik",
   "Unix Socket based authentication",
   PLUGIN_LICENSE_GPL,
@@ -106,7 +106,7 @@ maria_declare_plugin(socket_auth)
 {
   MYSQL_AUTHENTICATION_PLUGIN,
   &socket_auth_handler,
-  "auth_socket",
+  "unix_socket",
   "Sergei Golubchik",
   "Unix Socket based authentication",
   PLUGIN_LICENSE_GPL,
diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc
index f04c33ce90b..36d5da94b11 100644
--- a/sql/ha_partition.cc
+++ b/sql/ha_partition.cc
@@ -4069,6 +4069,8 @@ int ha_partition::rnd_next(uchar *buf)
   int result= HA_ERR_END_OF_FILE;
   uint part_id= m_part_spec.start_part;
   DBUG_ENTER("ha_partition::rnd_next");
+
+  /* upper level will increment this once again at end of call */
   decrement_statistics(&SSV::ha_read_rnd_next_count);
 
   if (NO_CURRENT_PART_ID == part_id)
diff --git a/sql/item.cc b/sql/item.cc
index 02cbe9b7f49..de4716350c2 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -5378,7 +5378,8 @@ bool Item_field::set_no_const_sub(uchar *arg)
 
 Item *Item_field::replace_equal_field(uchar *arg)
 {
-  if (item_equal && item_equal == (Item_equal *) arg)
+  REPLACE_EQUAL_FIELD_ARG* param= (REPLACE_EQUAL_FIELD_ARG*)arg;
+  if (item_equal && item_equal == param->item_equal)
   {
     Item *const_item= item_equal->get_const();
     if (const_item)
@@ -5387,7 +5388,8 @@ Item *Item_field::replace_equal_field(uchar *arg)
         return this;
       return const_item;
     }
-    Item_field *subst= (Item_field *)(item_equal->get_first(this));
+    Item_field *subst= 
+      (Item_field *)(item_equal->get_first(param->context_tab, this));
     if (subst)
       subst= (Item_field *) (subst->real_item());
     if (subst && !field->eq(subst->field))
@@ -9467,13 +9469,13 @@ void Item_type_holder::get_full_info(Item *item)
     DBUG_ASSERT((enum_set_typelib &&
                  get_real_type(item) == MYSQL_TYPE_NULL) ||
                 (!enum_set_typelib &&
-                 item->type() == Item::FIELD_ITEM &&
-                 (get_real_type(item) == MYSQL_TYPE_ENUM ||
-                  get_real_type(item) == MYSQL_TYPE_SET) &&
-                 ((Field_enum*)((Item_field *) item)->field)->typelib));
+                 item->real_item()->type() == Item::FIELD_ITEM &&
+                 (get_real_type(item->real_item()) == MYSQL_TYPE_ENUM ||
+                  get_real_type(item->real_item()) == MYSQL_TYPE_SET) &&
+                 ((Field_enum*)((Item_field *) item->real_item())->field)->typelib));
     if (!enum_set_typelib)
     {
-      enum_set_typelib= ((Field_enum*)((Item_field *) item)->field)->typelib;
+      enum_set_typelib= ((Field_enum*)((Item_field *) item->real_item())->field)->typelib;
     }
   }
 }
@@ -9558,18 +9560,22 @@ void Item_ref::update_used_tables()
 }
 
 
-table_map Item_direct_view_ref::used_tables() const		
+table_map Item_direct_view_ref::used_tables() const
 {
-  return get_depended_from() ? 
+  return get_depended_from() ?
          OUTER_REF_TABLE_BIT :
-         (view->merged ? (*ref)->used_tables() : view->table->map); 
+         ((view->merged || !view->table) ?
+          (*ref)->used_tables() :
+          view->table->map);
 }
 
-table_map Item_direct_view_ref::not_null_tables() const		
+table_map Item_direct_view_ref::not_null_tables() const
 {
-  return get_depended_from() ? 
+  return get_depended_from() ?
          0 :
-         (view->merged ? (*ref)->not_null_tables() : view->table->map); 
+         ((view->merged || !view->table) ?
+          (*ref)->not_null_tables() :
+          view->table->map);
 }
 
 /*
@@ -9583,6 +9589,8 @@ table_map Item_ref_null_helper::used_tables() const
 }
 
 
+#ifndef DBUG_OFF
+
 /* Debugger help function */
 static char dbug_item_print_buf[256];
 
@@ -9599,6 +9607,9 @@ const char *dbug_print_item(Item *item)
   else
     return "Couldn't fit into buffer";
 }
+
+#endif /*DBUG_OFF*/
+
 /*****************************************************************************
 ** Instantiate templates
 *****************************************************************************/
diff --git a/sql/item.h b/sql/item.h
index 4732a1a4657..6c0d3138b62 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -471,6 +471,16 @@ typedef enum monotonicity_info
 class sp_rcontext;
 
 
+class Item_equal;
+
+struct st_join_table* const NO_PARTICULAR_TAB= (struct st_join_table*)0x1;
+
+typedef struct replace_equal_field_arg 
+{
+  Item_equal *item_equal;
+  struct st_join_table *context_tab;
+} REPLACE_EQUAL_FIELD_ARG;
+
 class Settable_routine_parameter
 {
 public:
@@ -1283,6 +1293,7 @@ public:
 
   virtual Item *equal_fields_propagator(uchar * arg) { return this; }
   virtual bool set_no_const_sub(uchar *arg) { return FALSE; }
+  /* arg points to REPLACE_EQUAL_FIELD_ARG object */
   virtual Item *replace_equal_field(uchar * arg) { return this; }
   /*
     Check if an expression value has allowed arguments, like DATE/DATETIME
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc
index b3954c55394..4ea5e9534a8 100644
--- a/sql/item_cmpfunc.cc
+++ b/sql/item_cmpfunc.cc
@@ -5804,7 +5804,7 @@ longlong Item_equal::val_int()
 
 void Item_equal::fix_length_and_dec()
 {
-  Item *item= get_first(NULL);
+  Item *item= get_first(NO_PARTICULAR_TAB, NULL);
   eval_item= cmp_item::get_comparator(item->cmp_type(), item,
                                       item->collation.collation);
 }
@@ -5904,7 +5904,7 @@ CHARSET_INFO *Item_equal::compare_collation()
   @retval 0 if no field found.
 */
 
-Item* Item_equal::get_first(Item *field_item)
+Item* Item_equal::get_first(JOIN_TAB *context, Item *field_item)
 {
   Item_equal_fields_iterator it(*this);
   Item *item;
@@ -5932,18 +5932,24 @@ Item* Item_equal::get_first(Item *field_item)
     in presense of SJM nests.
   */
 
-  TABLE_LIST *emb_nest= field->table->pos_in_table_list->embedding;
+  TABLE_LIST *emb_nest;
+  if (context != NO_PARTICULAR_TAB)
+    emb_nest= context->emb_sj_nest;
+  else
+    emb_nest= field->table->pos_in_table_list->embedding;
 
   if (emb_nest && emb_nest->sj_mat_info && emb_nest->sj_mat_info->is_used)
   {
     /*
-      It's a field from an materialized semi-join. We can substitute it only
-      for a field from the same semi-join. Find the first of such items.
+      It's a field from an materialized semi-join. We can substitute it for
+       - a constant item 
+       - a field from the same semi-join
+       Find the first of such items:
     */
-
     while ((item= it++))
     {
-      if (it.get_curr_field()->table->pos_in_table_list->embedding == emb_nest)
+      if (item->const_item() || 
+          it.get_curr_field()->table->pos_in_table_list->embedding == emb_nest)
       {
         /*
           If we found given field then return NULL to avoid unnecessary
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h
index 7b2193b1acd..384c91d5d2e 100644
--- a/sql/item_cmpfunc.h
+++ b/sql/item_cmpfunc.h
@@ -1705,7 +1705,7 @@ public:
   /** Add a non-constant item to the multiple equality */
   void add(Item *f) { equal_items.push_back(f); }
   bool contains(Field *field);
-  Item* get_first(Item *field);
+  Item* get_first(struct st_join_table *context, Item *field);
   /** Get number of field items / references to field items in this object */   
   uint n_field_items() { return equal_items.elements-test(with_const); }
   void merge(Item_equal *item);
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc
index 5f78cdf167b..50625286348 100644
--- a/sql/item_subselect.cc
+++ b/sql/item_subselect.cc
@@ -1271,7 +1271,8 @@ void Item_exists_subselect::fix_length_and_dec()
     We need only 1 row to determine existence (i.e. any EXISTS that is not
     an IN always requires LIMIT 1)
   */
-  unit->global_parameters->select_limit= new Item_int((int32) 1);
+  thd->change_item_tree(&unit->global_parameters->select_limit,
+                        new Item_int((int32) 1));
   DBUG_PRINT("info", ("Set limit to 1"));
   DBUG_VOID_RETURN;
 }
@@ -1597,7 +1598,6 @@ Item_in_subselect::single_value_transformer(JOIN *join)
                               (Item**)optimizer->get_cache(),
 			      (char *)"<no matter>",
 			      (char *)in_left_expr_name);
-
   }
 
   DBUG_RETURN(false);
@@ -1684,10 +1684,6 @@ bool Item_allany_subselect::transform_into_max_min(JOIN *join)
 
     DBUG_EXECUTE("where",
                  print_where(item, "rewrite with MIN/MAX", QT_ORDINARY););
-    if (thd->variables.sql_mode & MODE_ONLY_FULL_GROUP_BY)
-    {
-      select_lex->set_non_agg_field_used(false);
-    }
 
     save_allow_sum_func= thd->lex->allow_sum_func;
     thd->lex->allow_sum_func|= 1 << thd->lex->current_select->nest_level;
@@ -2244,7 +2240,12 @@ bool Item_in_subselect::create_in_to_exists_cond(JOIN *join_arg)
   /*
     The IN=>EXISTS transformation makes non-correlated subqueries correlated.
   */
-  join_arg->select_lex->uncacheable|= UNCACHEABLE_DEPENDENT_INJECTED;
+  if (!left_expr->const_item() || left_expr->is_expensive())
+  {
+    join_arg->select_lex->uncacheable|= UNCACHEABLE_DEPENDENT_INJECTED;
+    join_arg->select_lex->master_unit()->uncacheable|= 
+                                         UNCACHEABLE_DEPENDENT_INJECTED;
+  }
   /*
     The uncacheable property controls a number of actions, e.g. whether to
     save/restore (via init_save_join_tab/restore_tmp) the original JOIN for
@@ -2510,6 +2511,7 @@ bool Item_in_subselect::fix_fields(THD *thd_arg, Item **ref)
       left_expr && !left_expr->fixed &&
       left_expr->fix_fields(thd_arg, &left_expr))
     return TRUE;
+  else
   if (Item_subselect::fix_fields(thd_arg, ref))
     return TRUE;
   fixed= TRUE;
@@ -3159,6 +3161,8 @@ bool subselect_uniquesubquery_engine::copy_ref_key()
 
   for (store_key **copy= tab->ref.key_copy ; *copy ; copy++)
   {
+    if ((*copy)->store_key_is_const())
+      continue;
     tab->ref.key_err= (*copy)->copy();
 
     /*
diff --git a/sql/item_sum.cc b/sql/item_sum.cc
index 6e115854f17..afe4f34bd05 100644
--- a/sql/item_sum.cc
+++ b/sql/item_sum.cc
@@ -1129,13 +1129,12 @@ Item_sum_num::fix_fields(THD *thd, Item **ref)
     return TRUE;
 
   decimals=0;
-  maybe_null=0;
+  maybe_null= sum_func() != COUNT_FUNC;
   for (uint i=0 ; i < arg_count ; i++)
   {
     if (args[i]->fix_fields(thd, args + i) || args[i]->check_cols(1))
       return TRUE;
     set_if_bigger(decimals, args[i]->decimals);
-    maybe_null |= args[i]->maybe_null;
   }
   result_field=0;
   max_length=float_length(decimals);
diff --git a/sql/multi_range_read.cc b/sql/multi_range_read.cc
index d8dc45d38c7..29e7faa630d 100644
--- a/sql/multi_range_read.cc
+++ b/sql/multi_range_read.cc
@@ -482,6 +482,10 @@ void Mrr_ordered_index_reader::resume_read()
 
 /**
   Fill the buffer with (lookup_tuple, range_id) pairs and sort
+
+  @return 
+    0                   OK, the buffer is non-empty and sorted
+    HA_ERR_END_OF_FILE  Source exhausted, the buffer is empty.
 */
 
 int Mrr_ordered_index_reader::refill_buffer(bool initial)
@@ -518,6 +522,13 @@ int Mrr_ordered_index_reader::refill_buffer(bool initial)
   if (source_exhausted && key_buffer->is_empty())
     DBUG_RETURN(HA_ERR_END_OF_FILE);
 
+  if (!initial)
+  {
+    /* This is a non-initial buffer fill and we've got a non-empty buffer */
+    THD *thd= current_thd;
+    status_var_increment(thd->status_var.ha_mrr_extra_key_sorts);
+  }
+
   key_buffer->sort((key_buffer->type() == Lifo_buffer::FORWARD)? 
                      (qsort2_cmp)Mrr_ordered_index_reader::compare_keys_reverse : 
                      (qsort2_cmp)Mrr_ordered_index_reader::compare_keys, 
@@ -592,6 +603,7 @@ int Mrr_ordered_rndpos_reader::init(handler *h_arg,
 int Mrr_ordered_rndpos_reader::refill_buffer(bool initial)
 {
   int res;
+  bool first_call= initial;
   DBUG_ENTER("Mrr_ordered_rndpos_reader::refill_buffer");
 
   if (index_reader_exhausted)
@@ -609,6 +621,14 @@ int Mrr_ordered_rndpos_reader::refill_buffer(bool initial)
     initial= FALSE;
     index_reader_needs_refill= FALSE;
   }
+
+  if (!first_call && !index_reader_exhausted)
+  {
+    /* Ok, this was a successful buffer refill operation */
+    THD *thd= current_thd;
+    status_var_increment(thd->status_var.ha_mrr_extra_rowid_sorts);
+  }
+
   DBUG_RETURN(res);
 }
 
@@ -841,8 +861,7 @@ int DsMrr_impl::dsmrr_init(handler *h_arg, RANGE_SEQ_IF *seq_funcs,
     strategy= disk_strategy= &reader_factory.ordered_rndpos_reader;
   }
 
-  if (is_mrr_assoc)
-    status_var_increment(thd->status_var.ha_multi_range_read_init_count);
+  status_var_increment(thd->status_var.ha_multi_range_read_init_count);
 
   full_buf= buf->buffer;
   full_buf_end= buf->buffer_end;
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index cc0ee652b16..bea3d1ef4a4 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -1883,7 +1883,6 @@ static void clean_up_mutexes()
   mysql_mutex_destroy(&LOCK_delayed_insert);
   mysql_mutex_destroy(&LOCK_delayed_status);
   mysql_mutex_destroy(&LOCK_delayed_create);
-  mysql_mutex_destroy(&LOCK_manager);
   mysql_mutex_destroy(&LOCK_crypt);
   mysql_mutex_destroy(&LOCK_user_conn);
   mysql_mutex_destroy(&LOCK_connection_count);
@@ -1914,7 +1913,6 @@ static void clean_up_mutexes()
   mysql_cond_destroy(&COND_thread_count);
   mysql_cond_destroy(&COND_thread_cache);
   mysql_cond_destroy(&COND_flush_thread_cache);
-  mysql_cond_destroy(&COND_manager);
   mysql_mutex_destroy(&LOCK_server_started);
   mysql_cond_destroy(&COND_server_started);
   mysql_mutex_destroy(&LOCK_prepare_ordered);
@@ -3776,8 +3774,6 @@ static int init_thread_environment()
                    &LOCK_delayed_status, MY_MUTEX_INIT_FAST);
   mysql_mutex_init(key_LOCK_delayed_create,
                    &LOCK_delayed_create, MY_MUTEX_INIT_SLOW);
-  mysql_mutex_init(key_LOCK_manager,
-                   &LOCK_manager, MY_MUTEX_INIT_FAST);
   mysql_mutex_init(key_LOCK_crypt, &LOCK_crypt, MY_MUTEX_INIT_FAST);
   mysql_mutex_init(key_LOCK_user_conn, &LOCK_user_conn, MY_MUTEX_INIT_FAST);
   mysql_mutex_init(key_LOCK_active_mi, &LOCK_active_mi, MY_MUTEX_INIT_FAST);
@@ -3826,7 +3822,6 @@ static int init_thread_environment()
   mysql_cond_init(key_COND_thread_count, &COND_thread_count, NULL);
   mysql_cond_init(key_COND_thread_cache, &COND_thread_cache, NULL);
   mysql_cond_init(key_COND_flush_thread_cache, &COND_flush_thread_cache, NULL);
-  mysql_cond_init(key_COND_manager, &COND_manager, NULL);
 #ifdef HAVE_REPLICATION
   mysql_mutex_init(key_LOCK_rpl_status, &LOCK_rpl_status, MY_MUTEX_INIT_FAST);
   mysql_cond_init(key_COND_rpl_status, &COND_rpl_status, NULL);
@@ -6874,6 +6869,12 @@ SHOW_VAR status_vars[]= {
   {"Handler_commit",           (char*) offsetof(STATUS_VAR, ha_commit_count), SHOW_LONG_STATUS},
   {"Handler_delete",           (char*) offsetof(STATUS_VAR, ha_delete_count), SHOW_LONG_STATUS},
   {"Handler_discover",         (char*) offsetof(STATUS_VAR, ha_discover_count), SHOW_LONG_STATUS},
+#if 0
+  /* Made 3 counters below temporarily invisible until we agree upon their names */
+  {"Handler_mrr_extra_key_sorts",   (char*) offsetof(STATUS_VAR, ha_mrr_extra_key_sorts), SHOW_LONG_STATUS},
+  {"Handler_mrr_extra_rowid_sorts", (char*) offsetof(STATUS_VAR, ha_mrr_extra_rowid_sorts), SHOW_LONG_STATUS},
+  {"Handler_mrr_init",         (char*) offsetof(STATUS_VAR, ha_multi_range_read_init_count),  SHOW_LONG_STATUS},
+#endif
   {"Handler_prepare",          (char*) offsetof(STATUS_VAR, ha_prepare_count),  SHOW_LONG_STATUS},
   {"Handler_read_first",       (char*) offsetof(STATUS_VAR, ha_read_first_count), SHOW_LONG_STATUS},
   {"Handler_read_key",         (char*) offsetof(STATUS_VAR, ha_read_key_count), SHOW_LONG_STATUS},
@@ -6881,14 +6882,15 @@ SHOW_VAR status_vars[]= {
   {"Handler_read_next",        (char*) offsetof(STATUS_VAR, ha_read_next_count), SHOW_LONG_STATUS},
   {"Handler_read_prev",        (char*) offsetof(STATUS_VAR, ha_read_prev_count), SHOW_LONG_STATUS},
   {"Handler_read_rnd",         (char*) offsetof(STATUS_VAR, ha_read_rnd_count), SHOW_LONG_STATUS},
+  {"Handler_read_rnd_deleted", (char*) offsetof(STATUS_VAR, ha_read_rnd_deleted_count), SHOW_LONG_STATUS},
   {"Handler_read_rnd_next",    (char*) offsetof(STATUS_VAR, ha_read_rnd_next_count), SHOW_LONG_STATUS},
   {"Handler_rollback",         (char*) offsetof(STATUS_VAR, ha_rollback_count), SHOW_LONG_STATUS},
   {"Handler_savepoint",        (char*) offsetof(STATUS_VAR, ha_savepoint_count), SHOW_LONG_STATUS},
   {"Handler_savepoint_rollback",(char*) offsetof(STATUS_VAR, ha_savepoint_rollback_count), SHOW_LONG_STATUS},
-  {"Handler_update",           (char*) offsetof(STATUS_VAR, ha_update_count), SHOW_LONG_STATUS},
-  {"Handler_write",            (char*) offsetof(STATUS_VAR, ha_write_count), SHOW_LONG_STATUS},
   {"Handler_tmp_update",       (char*) offsetof(STATUS_VAR, ha_tmp_update_count), SHOW_LONG_STATUS},
   {"Handler_tmp_write",        (char*) offsetof(STATUS_VAR, ha_tmp_write_count), SHOW_LONG_STATUS},
+  {"Handler_update",           (char*) offsetof(STATUS_VAR, ha_update_count), SHOW_LONG_STATUS},
+  {"Handler_write",            (char*) offsetof(STATUS_VAR, ha_write_count), SHOW_LONG_STATUS},
   {"Key",                      (char*) &show_default_keycache, SHOW_FUNC},
   {"Last_query_cost",          (char*) offsetof(STATUS_VAR, last_query_cost), SHOW_DOUBLE_STATUS},
   {"Max_used_connections",     (char*) &max_used_connections,  SHOW_LONG},
diff --git a/sql/opt_subselect.cc b/sql/opt_subselect.cc
index 3b1991d1686..6376b1ac33f 100644
--- a/sql/opt_subselect.cc
+++ b/sql/opt_subselect.cc
@@ -4080,7 +4080,8 @@ int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,
 {
   uint i;
   DBUG_ENTER("setup_semijoin_dups_elimination");
-
+  
+  join->complex_firstmatch_tables= table_map(0);
 
   POSITION *pos= join->best_positions + join->const_tables;
   for (i= join->const_tables ; i < join->top_join_tab_count; )
@@ -4099,6 +4100,11 @@ int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,
       {
         /* We jump from the last table to the first one */
         tab->loosescan_match_tab= tab + pos->n_sj_tables - 1;
+        
+        /* LooseScan requires records to be produced in order */
+        if (tab->select && tab->select->quick)
+          tab->select->quick->need_sorted_output();
+
         for (uint j= i; j < i + pos->n_sj_tables; j++)
           join->join_tab[j].inside_loosescan_range= TRUE;
 
@@ -4108,6 +4114,7 @@ int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,
         for (uint kp=0; kp < pos->loosescan_picker.loosescan_parts; kp++)
           keylen += tab->table->key_info[keyno].key_part[kp].store_length;
 
+        tab->loosescan_key= keyno;
         tab->loosescan_key_len= keylen;
         if (pos->n_sj_tables > 1) 
           tab[pos->n_sj_tables - 1].do_firstmatch= tab;
@@ -4163,16 +4170,46 @@ int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,
       }
       case SJ_OPT_FIRST_MATCH:
       {
-        JOIN_TAB *j, *jump_to= tab-1;
+        JOIN_TAB *j;
+        JOIN_TAB *jump_to= tab-1;
+
+        bool complex_range= FALSE;
+        table_map tables_in_range= table_map(0);
+
         for (j= tab; j != tab + pos->n_sj_tables; j++)
         {
-          /*
-            NOTE: this loop probably doesn't do the right thing for the case 
-            where FirstMatch's duplicate-generating range is interleaved with
-            "unrelated" tables (as specified in WL#3750, section 2.2).
-          */
+          tables_in_range |= j->table->map;
           if (!j->emb_sj_nest)
-            jump_to= tab;
+          {
+            /* 
+              Got a table that's not within any semi-join nest. This is a case
+              like this:
+
+              SELECT * FROM ot1, nt1 WHERE ot1.col IN (SELECT expr FROM it1, it2)
+
+              with a join order of 
+
+                   +----- FirstMatch range ----+
+                   |                           |
+              ot1 it1 nt1 nt2 it2 it3 ...
+                   |   ^
+                   |   +-------- 'j' points here
+                   +------------- SJ_OPT_FIRST_MATCH was set for this table as
+                                  it's the first one that produces duplicates
+              
+            */
+            DBUG_ASSERT(j != tab);  /* table ntX must have an itX before it */
+
+            /* 
+              If the table right before us is an inner table (like it1 in the
+              picture), it should be set to jump back to previous outer-table
+            */
+            if (j[-1].emb_sj_nest)
+              j[-1].do_firstmatch= jump_to;
+
+            jump_to= j; /* Jump back to us */
+            complex_range= TRUE;
+          }
           else
           {
             j->first_sj_inner_tab= tab;
@@ -4182,6 +4219,9 @@ int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,
         j[-1].do_firstmatch= jump_to;
         i+= pos->n_sj_tables;
         pos+= pos->n_sj_tables;
+
+        if (complex_range)
+          join->complex_firstmatch_tables|= tables_in_range;
         break;
       }
       case SJ_OPT_NONE:
diff --git a/sql/opt_sum.cc b/sql/opt_sum.cc
index cda35895a3d..7087a85d13a 100644
--- a/sql/opt_sum.cc
+++ b/sql/opt_sum.cc
@@ -627,7 +627,12 @@ static bool matching_cond(bool max_fl, TABLE_REF *ref, KEY *keyinfo,
   if (!cond)
     DBUG_RETURN(TRUE);
   Field *field= field_part->field;
-  if (!(cond->used_tables() & field->table->map))
+  if (cond->used_tables() & OUTER_REF_TABLE_BIT)
+  { 
+    DBUG_RETURN(FALSE);
+  } 
+  if (!(cond->used_tables() & field->table->map) &&
+      test(cond->used_tables() & ~PSEUDO_TABLE_BITS))
   {
     /* Condition doesn't restrict the used table */
     DBUG_RETURN(!cond->const_item());
diff --git a/sql/slave.cc b/sql/slave.cc
index 98b75bc6dad..2b73cad1d7b 100644
--- a/sql/slave.cc
+++ b/sql/slave.cc
@@ -2927,9 +2927,8 @@ pthread_handler_t handle_slave_io(void *arg)
   if (init_slave_thread(thd, SLAVE_THD_IO))
   {
     mysql_cond_broadcast(&mi->start_cond);
-    mysql_mutex_unlock(&mi->run_lock);
     sql_print_error("Failed during slave I/O thread initialization");
-    goto err;
+    goto err_during_init;
   }
   mysql_mutex_lock(&LOCK_thread_count);
   threads.append(thd);
@@ -3232,6 +3231,7 @@ err:
   thd_proc_info(thd, "Waiting for slave mutex on exit");
   mysql_mutex_lock(&mi->run_lock);
 
+err_during_init:
   /* Forget the relay log's format */
   delete mi->rli.relay_log.description_event_for_queue;
   mi->rli.relay_log.description_event_for_queue= 0;
@@ -3357,10 +3357,9 @@ pthread_handler_t handle_slave_sql(void *arg)
       will be stuck if we fail here
     */
     mysql_cond_broadcast(&rli->start_cond);
-    mysql_mutex_unlock(&rli->run_lock);
     rli->report(ERROR_LEVEL, ER_SLAVE_FATAL_ERROR, 
                 "Failed during slave thread initialization");
-    goto err;
+    goto err_during_init;
   }
   thd->init_for_queries();
   thd->temporary_tables = rli->save_temporary_tables; // restore temp tables
@@ -3613,6 +3612,7 @@ the slave SQL thread with \"SLAVE START\". We stopped at log \
   thd->reset_db(NULL, 0);
   thd_proc_info(thd, "Waiting for slave mutex on exit");
   mysql_mutex_lock(&rli->run_lock);
+err_during_init:
   /* We need data_lock, at least to wake up any waiting master_pos_wait() */
   mysql_mutex_lock(&rli->data_lock);
   DBUG_ASSERT(rli->slave_running == 1); // tracking buffer overrun
diff --git a/sql/sql_acl.cc b/sql/sql_acl.cc
index 92747066121..15c3999be54 100644
--- a/sql/sql_acl.cc
+++ b/sql/sql_acl.cc
@@ -8399,22 +8399,9 @@ static ulong parse_client_handshake_packet(MPVIO_EXT *mpvio,
   ulong client_capabilities= uint2korr(net->read_pos);
   if (client_capabilities & CLIENT_PROTOCOL_41)
   {
-    if (pkt_len < 32)
+    if (pkt_len < 4)
       return packet_error;
     client_capabilities|= ((ulong) uint2korr(net->read_pos+2)) << 16;
-    thd->max_client_packet_length= uint4korr(net->read_pos+4);
-    DBUG_PRINT("info", ("client_character_set: %d", (uint) net->read_pos[8]));
-    if (thd_init_client_charset(thd, (uint) net->read_pos[8]))
-      return packet_error;
-    thd->update_charset();
-    end= (char*) net->read_pos + 32;
-  }
-  else
-  {
-    if (pkt_len < 5)
-      return packet_error;
-    thd->max_client_packet_length= uint3korr(net->read_pos+2);
-    end= (char*) net->read_pos+5;
   }
 
   /* Disable those bits which are not supported by the client. */
@@ -8446,6 +8433,28 @@ static ulong parse_client_handshake_packet(MPVIO_EXT *mpvio,
     }
   }
 
+  if (client_capabilities & CLIENT_PROTOCOL_41)
+  {
+    if (pkt_len < 32)
+      return packet_error;
+    thd->max_client_packet_length= uint4korr(net->read_pos+4);
+    DBUG_PRINT("info", ("client_character_set: %d", (uint) net->read_pos[8]));
+    if (thd_init_client_charset(thd, (uint) net->read_pos[8]))
+      return packet_error;
+    thd->update_charset();
+    end= (char*) net->read_pos+32;
+  }
+  else
+  {
+    if (pkt_len < 5)
+      return packet_error;
+    thd->max_client_packet_length= uint3korr(net->read_pos+2);
+    end= (char*) net->read_pos+5;
+  }
+
+  if (end >= (char*) net->read_pos+ pkt_len +2)
+    return packet_error;
+
   if (thd->client_capabilities & CLIENT_IGNORE_SPACE)
     thd->variables.sql_mode|= MODE_IGNORE_SPACE;
   if (thd->client_capabilities & CLIENT_INTERACTIVE)
diff --git a/sql/sql_base.cc b/sql/sql_base.cc
index 1d215f5aa40..3167cb7363d 100644
--- a/sql/sql_base.cc
+++ b/sql/sql_base.cc
@@ -1923,14 +1923,15 @@ TABLE_LIST* find_dup_table(THD *thd, TABLE_LIST *table, TABLE_LIST *table_list,
   t_name= table->table_name;
   t_alias= table->alias;
 
+retry:
   DBUG_PRINT("info", ("real table: %s.%s", d_name, t_name));
-  for (;;)
+  for (TABLE_LIST *tl= table_list;;)
   {
     /*
       Table is unique if it is present only once in the global list
       of tables and once in the list of table locks.
     */
-    if (! (res= find_table_in_global_list(table_list, d_name, t_name)))
+    if (! (res= find_table_in_global_list(tl, d_name, t_name)))
       break;
 
     /* Skip if same underlying table. */
@@ -1961,10 +1962,23 @@ TABLE_LIST* find_dup_table(THD *thd, TABLE_LIST *table, TABLE_LIST *table_list,
       (exclude_from_table_unique_test) or prelocking placeholder.
     */
 next:
-    table_list= res->next_global;
+    tl= res->next_global;
     DBUG_PRINT("info",
                ("found same copy of table or table which we should skip"));
   }
+  if (res && res->belong_to_derived)
+  {
+    /* Try to fix */
+    TABLE_LIST *derived=  res->belong_to_derived;
+    if (derived->is_merged_derived())
+    {
+      DBUG_PRINT("info",
+                 ("convert merged to materialization to resolve the conflict"));
+      derived->change_refs_to_fields();
+      derived->set_materialized_derived();
+    }
+    goto retry;
+  }
   DBUG_RETURN(res);
 }
 
@@ -7363,11 +7377,16 @@ mark_common_columns(THD *thd, TABLE_LIST *table_ref_1, TABLE_LIST *table_ref_2,
       if (!(eq_cond= new Item_func_eq(item_ident_1, item_ident_2)))
         goto err;                               /* Out of memory. */
 
+      if (field_1 && field_1->vcol_info)
+        field_1->table->mark_virtual_col(field_1);
+      if (field_2 && field_2->vcol_info)
+        field_2->table->mark_virtual_col(field_2);
+
       /*
         Add the new equi-join condition to the ON clause. Notice that
         fix_fields() is applied to all ON conditions in setup_conds()
         so we don't do it here.
-       */
+      */
       add_join_on((table_ref_1->outer_join & JOIN_TYPE_RIGHT ?
                    table_ref_1 : table_ref_2),
                   eq_cond);
@@ -8085,7 +8104,8 @@ bool setup_tables(THD *thd, Name_resolution_context *context,
     while ((table_list= ti++))
     {
       TABLE *table= table_list->table;
-      table->pos_in_table_list= table_list;
+      if (table)
+        table->pos_in_table_list= table_list;
       if (first_select_table &&
           table_list->top_table() == first_select_table)
       {
@@ -8098,7 +8118,7 @@ bool setup_tables(THD *thd, Name_resolution_context *context,
       {
         table_list->jtbm_table_no= tablenr;
       }
-      else
+      else if (table)
       {
         table->pos_in_table_list= table_list;
         setup_table_map(table, table_list, tablenr);
diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc
index 0a1185a9924..9c86b2838c4 100644
--- a/sql/sql_cache.cc
+++ b/sql/sql_cache.cc
@@ -1463,10 +1463,10 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
       In case the wait time can't be determined there is an upper limit which
       causes try_lock() to abort with a time out.
 
-      The 'TRUE' parameter indicate that the lock is allowed to timeout
+      The 'TIMEOUT' parameter indicate that the lock is allowed to timeout
 
     */
-    if (try_lock(thd, Query_cache::WAIT))
+    if (try_lock(thd, Query_cache::TIMEOUT))
       DBUG_VOID_RETURN;
     if (query_cache_size == 0)
     {
@@ -1674,6 +1674,17 @@ Query_cache::send_result_to_client(THD *thd, char *org_sql, uint query_length)
   if (is_disabled() || thd->locked_tables_mode ||
       thd->variables.query_cache_type == 0)
     goto err;
+
+  /*
+    The following can only happen for prepared statements that was found
+    during parsing or later that the query was not cacheable.
+  */
+  if (!thd->lex->safe_to_cache_query)
+  {
+    DBUG_PRINT("qcache", ("SELECT is non-cacheable"));
+    goto err;
+  }
+
   DBUG_ASSERT(query_cache_size != 0);           // otherwise cache would be disabled
 
   thd->query_cache_is_applicable= 1;
@@ -1959,6 +1970,7 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
           faster.
         */
         thd->query_cache_is_applicable= 0;      // Query can't be cached
+        thd->lex->safe_to_cache_query= 0;       // For prepared statements
         BLOCK_UNLOCK_RD(query_block);
         DBUG_RETURN(-1);
       }
@@ -1975,6 +1987,7 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
 		  table_list.db, table_list.alias));
       unlock();
       thd->query_cache_is_applicable= 0;        // Query can't be cached
+      thd->lex->safe_to_cache_query= 0;         // For prepared statements
       BLOCK_UNLOCK_RD(query_block);
       DBUG_RETURN(-1);				// Privilege error
     }
@@ -1984,6 +1997,7 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
 			    table_list.db, table_list.alias));
       BLOCK_UNLOCK_RD(query_block);
       thd->query_cache_is_applicable= 0;        // Query can't be cached
+      thd->lex->safe_to_cache_query= 0;         // For prepared statements
       goto err_unlock;				// Parse query
     }
 #endif /*!NO_EMBEDDED_ACCESS_CHECKS*/
@@ -2007,7 +2021,13 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
                                   table->key_length());
       }
       else
+      {
+        /*
+          As this can change from call to call, don't reset set
+          thd->lex->safe_to_cache_query
+        */
         thd->query_cache_is_applicable= 0;      // Query can't be cached
+      }
       /* End the statement transaction potentially started by engine. */
       trans_rollback_stmt(thd);
       goto err_unlock;				// Parse query
@@ -3901,6 +3921,7 @@ Query_cache::process_and_count_tables(THD *thd, TABLE_LIST *tables_used,
       DBUG_PRINT("qcache", ("Don't cache statement as it refers to "
                             "tables with column privileges."));
       thd->query_cache_is_applicable= 0;        // Query can't be cached
+      thd->lex->safe_to_cache_query= 0;         // For prepared statements
       DBUG_RETURN(0);
     }
 #endif
@@ -4037,6 +4058,10 @@ my_bool Query_cache::ask_handler_allowance(THD *thd,
     {
       DBUG_PRINT("qcache", ("Handler does not allow caching for %s.%s",
 			    tables_used->db, tables_used->alias));
+      /*
+        As this can change from call to call, don't reset set
+        thd->lex->safe_to_cache_query
+      */
       thd->query_cache_is_applicable= 0;        // Query can't be cached
       DBUG_RETURN(1);
     }
diff --git a/sql/sql_cache.h b/sql/sql_cache.h
index 9d713d012f5..134fd055110 100644
--- a/sql/sql_cache.h
+++ b/sql/sql_cache.h
@@ -443,8 +443,8 @@ protected:
 	      uint def_query_hash_size = QUERY_CACHE_DEF_QUERY_HASH_SIZE,
 	      uint def_table_hash_size = QUERY_CACHE_DEF_TABLE_HASH_SIZE);
 
-  bool is_disabled(void) { return m_cache_status != OK; }
-  bool is_disable_in_progress(void)
+  inline bool is_disabled(void) { return m_cache_status != OK; }
+  inline bool is_disable_in_progress(void)
   { return m_cache_status == DISABLE_REQUEST; }
 
   /* initialize cache (mutex) */
diff --git a/sql/sql_class.h b/sql/sql_class.h
index 2538e73572a..581e35aa137 100644
--- a/sql/sql_class.h
+++ b/sql/sql_class.h
@@ -585,12 +585,15 @@ typedef struct system_status_var
   ulong ha_read_prev_count;
   ulong ha_read_rnd_count;
   ulong ha_read_rnd_next_count;
+  ulong ha_read_rnd_deleted_count;
   /*
     This number doesn't include calls to the default implementation and
     calls made by range access. The intent is to count only calls made by
     BatchedKeyAccess.
   */
   ulong ha_multi_range_read_init_count;
+  ulong ha_mrr_extra_key_sorts;
+  ulong ha_mrr_extra_rowid_sorts;
 
   ulong ha_rollback_count;
   ulong ha_update_count;
@@ -4217,10 +4220,17 @@ inline int handler::ha_ft_read(uchar *buf)
 inline int handler::ha_rnd_next(uchar *buf)
 {
   MYSQL_READ_ROW_START(table_share->db.str, table_share->table_name.str, TRUE);
-  increment_statistics(&SSV::ha_read_rnd_next_count);
   int error= rnd_next(buf);
   if (!error)
+  {
     update_rows_read();
+    increment_statistics(&SSV::ha_read_rnd_next_count);
+  }
+  else if (error == HA_ERR_RECORD_DELETED)
+    increment_statistics(&SSV::ha_read_rnd_deleted_count);
+  else
+    increment_statistics(&SSV::ha_read_rnd_next_count);
+
   table->status=error ? STATUS_NOT_FOUND: 0;
   MYSQL_READ_ROW_DONE(error);
   return error;
diff --git a/sql/sql_delete.cc b/sql/sql_delete.cc
index f48724236d4..ff88bf7c0f8 100644
--- a/sql/sql_delete.cc
+++ b/sql/sql_delete.cc
@@ -76,7 +76,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
   if (mysql_handle_list_of_derived(thd->lex, table_list, DT_PREPARE))
     DBUG_RETURN(TRUE);
 
-  if (!table_list->updatable)
+  if (!table_list->single_table_updatable())
   {
      my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias, "DELETE");
      DBUG_RETURN(TRUE);
@@ -476,7 +476,8 @@ int mysql_prepare_delete(THD *thd, TABLE_LIST *table_list, Item **conds)
       setup_conds(thd, table_list, select_lex->leaf_tables, conds) ||
       setup_ftfuncs(select_lex))
     DBUG_RETURN(TRUE);
-  if (!table_list->updatable || check_key_in_view(thd, table_list))
+  if (!table_list->single_table_updatable() ||
+      check_key_in_view(thd, table_list))
   {
     my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias, "DELETE");
     DBUG_RETURN(TRUE);
@@ -572,7 +573,7 @@ int mysql_multi_delete_prepare(THD *thd)
        DBUG_RETURN(TRUE);
     }
 
-    if (!target_tbl->correspondent_table->updatable ||
+    if (!target_tbl->correspondent_table->single_table_updatable() ||
         check_key_in_view(thd, target_tbl->correspondent_table))
     {
       my_error(ER_NON_UPDATABLE_TABLE, MYF(0),
diff --git a/sql/sql_derived.cc b/sql/sql_derived.cc
index 63c5bb30474..9f06c99c472 100644
--- a/sql/sql_derived.cc
+++ b/sql/sql_derived.cc
@@ -483,7 +483,7 @@ bool mysql_derived_merge_for_insert(THD *thd, LEX *lex, TABLE_LIST *derived)
     return mysql_derived_prepare(thd, lex, derived);
   if (!derived->is_multitable())
   {
-    if (!derived->updatable)
+    if (!derived->single_table_updatable())
       return derived->create_field_translation(thd);
     if (derived->merge_underlying_list)
     {
diff --git a/sql/sql_insert.cc b/sql/sql_insert.cc
index c7423d9bada..2209a62d7ed 100644
--- a/sql/sql_insert.cc
+++ b/sql/sql_insert.cc
@@ -118,7 +118,8 @@ static bool check_view_insertability(THD *thd, TABLE_LIST *view);
 */
 
 bool check_view_single_update(List<Item> &fields, List<Item> *values,
-                              TABLE_LIST *view, table_map *map)
+                              TABLE_LIST *view, table_map *map,
+                              bool insert)
 {
   /* it is join view => we need to find the table for update */
   List_iterator_fast<Item> it(fields);
@@ -156,6 +157,14 @@ bool check_view_single_update(List<Item> &fields, List<Item> *values,
   */
   tbl->table->insert_values= view->table->insert_values;
   view->table= tbl->table;
+  if (!tbl->single_table_updatable())
+  {
+    if (insert)
+      my_error(ER_NON_INSERTABLE_TABLE, MYF(0), view->alias, "INSERT");
+    else
+      my_error(ER_NON_UPDATABLE_TABLE, MYF(0), view->alias, "UPDATE");
+    return TRUE;
+  }
   *map= tables;
 
   return FALSE;
@@ -200,7 +209,7 @@ static int check_insert_fields(THD *thd, TABLE_LIST *table_list,
 {
   TABLE *table= table_list->table;
 
-  if (!table_list->updatable)
+  if (!table_list->single_table_updatable())
   {
     my_error(ER_NON_INSERTABLE_TABLE, MYF(0), table_list->alias, "INSERT");
     return -1;
@@ -276,7 +285,7 @@ static int check_insert_fields(THD *thd, TABLE_LIST *table_list,
       if (check_view_single_update(fields,
                                    fields_and_values_from_different_maps ?
                                    (List<Item>*) 0 : &values,
-                                   table_list, map))
+                                   table_list, map, true))
         return -1;
       table= table_list->table;
     }
@@ -363,7 +372,7 @@ static int check_update_fields(THD *thd, TABLE_LIST *insert_table_list,
   if (insert_table_list->is_view() &&
       insert_table_list->is_merged_derived() &&
       check_view_single_update(update_fields, &update_values,
-                               insert_table_list, map))
+                               insert_table_list, map, false))
     return -1;
 
   if (table->timestamp_field)
@@ -1255,7 +1264,7 @@ static bool mysql_prepare_insert_check_table(THD *thd, TABLE_LIST *table_list,
   bool insert_into_view= (table_list->view != 0);
   DBUG_ENTER("mysql_prepare_insert_check_table");
 
-  if (!table_list->updatable)
+  if (!table_list->single_table_updatable())
   {
     my_error(ER_NON_INSERTABLE_TABLE, MYF(0), table_list->alias, "INSERT");
     DBUG_RETURN(TRUE);
diff --git a/sql/sql_join_cache.cc b/sql/sql_join_cache.cc
index 3600bbbb65f..f0362585e39 100644
--- a/sql/sql_join_cache.cc
+++ b/sql/sql_join_cache.cc
@@ -899,6 +899,8 @@ int JOIN_CACHE::alloc_buffer()
       curr_buff_space_sz+= cache->get_join_buffer_size();
     }
   }
+  curr_min_buff_space_sz+= min_buff_size;
+  curr_buff_space_sz+= buff_size;
 
   if (curr_min_buff_space_sz > join_buff_space_limit ||
       (curr_buff_space_sz > join_buff_space_limit &&
@@ -2110,16 +2112,6 @@ enum_nested_loop_state JOIN_CACHE::join_records(bool skip_last)
     if (rc != NESTED_LOOP_OK && rc != NESTED_LOOP_NO_MORE_ROWS)
       goto finish;
   }
-  if (outer_join_first_inner)
-  {
-    /* 
-      All null complemented rows have been already generated for all
-      outer records from join buffer. Restore the state of the
-      first_unmatched values to 0 to avoid another null complementing.
-    */
-    for (tab= join_tab->first_inner; tab <= join_tab->last_inner; tab++)
-      tab->first_unmatched= 0;
-  } 
  
   if (skip_last)
   {
@@ -2132,6 +2124,16 @@ enum_nested_loop_state JOIN_CACHE::join_records(bool skip_last)
   }
 
 finish:
+  if (outer_join_first_inner)
+  {
+    /* 
+      All null complemented rows have been already generated for all
+      outer records from join buffer. Restore the state of the
+      first_unmatched values to 0 to avoid another null complementing.
+    */
+    for (tab= join_tab->first_inner; tab <= join_tab->last_inner; tab++)
+      tab->first_unmatched= 0;
+  } 
   restore_last_record();
   reset(TRUE);
   DBUG_PRINT("exit", ("rc: %d", rc));
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc
index 9b5c1c0de37..56e05c3dcad 100644
--- a/sql/sql_lex.cc
+++ b/sql/sql_lex.cc
@@ -3167,6 +3167,7 @@ void LEX::cleanup_after_one_table_open()
   if (all_selects_list != &select_lex)
   {
     derived_tables= 0;
+    select_lex.exclude_from_table_unique_test= false;
     /* cleunup underlying units (units of VIEW) */
     for (SELECT_LEX_UNIT *un= select_lex.first_inner_unit();
          un;
diff --git a/sql/sql_load.cc b/sql/sql_load.cc
index aab9ea76499..33d1741b5ec 100644
--- a/sql/sql_load.cc
+++ b/sql/sql_load.cc
@@ -235,7 +235,7 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
                                     INSERT_ACL | UPDATE_ACL, FALSE))
      DBUG_RETURN(-1);
   if (!table_list->table ||               // do not suport join view
-      !table_list->updatable ||           // and derived tables
+      !table_list->single_table_updatable() || // and derived tables
       check_key_in_view(thd, table_list))
   {
     my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias, "LOAD");
diff --git a/sql/sql_manager.cc b/sql/sql_manager.cc
index 221ba56130a..e9ac55730d3 100644
--- a/sql/sql_manager.cc
+++ b/sql/sql_manager.cc
@@ -43,6 +43,7 @@ static struct handler_cb * volatile cb_list;
 bool mysql_manager_submit(void (*action)())
 {
   bool result= FALSE;
+  DBUG_ASSERT(manager_thread_in_use);
   struct handler_cb * volatile *cb;
   mysql_mutex_lock(&LOCK_manager);
   cb= &cb_list;
@@ -74,8 +75,9 @@ pthread_handler_t handle_manager(void *arg __attribute__((unused)))
 
   pthread_detach_this_thread();
   manager_thread = pthread_self();
+  mysql_cond_init(key_COND_manager, &COND_manager,NULL);
+  mysql_mutex_init(key_LOCK_manager, &LOCK_manager, NULL);
   manager_thread_in_use = 1;
-
   for (;;)
   {
     mysql_mutex_lock(&LOCK_manager);
@@ -122,6 +124,8 @@ pthread_handler_t handle_manager(void *arg __attribute__((unused)))
     }
   }
   manager_thread_in_use = 0;
+  mysql_mutex_destroy(&LOCK_manager);
+  mysql_cond_destroy(&COND_manager);
   DBUG_LEAVE; // Can't use DBUG_RETURN after my_thread_end
   my_thread_end();
   return (NULL);
@@ -149,14 +153,14 @@ void stop_handle_manager()
 {
   DBUG_ENTER("stop_handle_manager");
   abort_manager = true;
-  mysql_mutex_lock(&LOCK_manager);
   if (manager_thread_in_use)
   {
+    mysql_mutex_lock(&LOCK_manager);
     DBUG_PRINT("quit", ("initiate shutdown of handle manager thread: 0x%lx",
                         (ulong)manager_thread));
     mysql_cond_signal(&COND_manager);
+    mysql_mutex_unlock(&LOCK_manager);
   }
-  mysql_mutex_unlock(&LOCK_manager);
   DBUG_VOID_RETURN;
 }
 
diff --git a/sql/sql_prepare.cc b/sql/sql_prepare.cc
index f5a2f409dfc..da9dcc053cf 100644
--- a/sql/sql_prepare.cc
+++ b/sql/sql_prepare.cc
@@ -1365,7 +1365,7 @@ static int mysql_test_update(Prepared_statement *stmt,
   if (table_list->handle_derived(thd->lex, DT_PREPARE))
     goto error;
 
-  if (!table_list->updatable)
+  if (!table_list->single_table_updatable())
   {
     my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias, "UPDATE");
     goto error;
@@ -1439,7 +1439,7 @@ static bool mysql_test_delete(Prepared_statement *stmt,
   if (mysql_handle_derived(thd->lex, DT_PREPARE))
     goto error;
 
-  if (!table_list->updatable)
+  if (!table_list->single_table_updatable())
   {
     my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias, "DELETE");
     goto error;
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index f22510bb2b7..5e483c2d359 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -131,7 +131,8 @@ static COND *build_equal_items(THD *thd, COND *cond,
                                COND_EQUAL *inherited,
                                List<TABLE_LIST> *join_list,
                                COND_EQUAL **cond_equal_ref);
-static COND* substitute_for_best_equal_field(COND *cond,
+static COND* substitute_for_best_equal_field(JOIN_TAB *context_tab,
+                                             COND *cond,
                                              COND_EQUAL *cond_equal,
                                              void *table_join_idx);
 static COND *simplify_joins(JOIN *join, List<TABLE_LIST> *join_list,
@@ -1254,7 +1255,8 @@ JOIN::optimize()
   */
   if (conds)
   {
-    conds= substitute_for_best_equal_field(conds, cond_equal, map2table);
+    conds= substitute_for_best_equal_field(NO_PARTICULAR_TAB, conds, 
+                                           cond_equal, map2table);
     conds->update_used_tables();
     DBUG_EXECUTE("where",
                  print_where(conds,
@@ -1271,7 +1273,8 @@ JOIN::optimize()
   {
     if (*tab->on_expr_ref)
     {
-      *tab->on_expr_ref= substitute_for_best_equal_field(*tab->on_expr_ref,
+      *tab->on_expr_ref= substitute_for_best_equal_field(NO_PARTICULAR_TAB,
+                                                         *tab->on_expr_ref,
                                                          tab->cond_equal,
                                                          map2table);
       (*tab->on_expr_ref)->update_used_tables();
@@ -1294,7 +1297,7 @@ JOIN::optimize()
         continue;
       COND_EQUAL *equals= tab->first_inner ? tab->first_inner->cond_equal : 
                                              cond_equal;
-      ref_item= substitute_for_best_equal_field(ref_item, equals, map2table);
+      ref_item= substitute_for_best_equal_field(tab, ref_item, equals, map2table);
       ref_item->update_used_tables();
       if (*ref_item_ptr != ref_item)
       {
@@ -3596,6 +3599,7 @@ make_join_statistics(JOIN *join, List<TABLE_LIST> &tables_list,
       for (i= 0; i < join->table_count ; i++)
         records*= join->best_positions[i].records_read ?
                   (ha_rows)join->best_positions[i].records_read : 1;
+      set_if_smaller(records, unit->select_limit_cnt);
       join->select_lex->increase_derived_records(records);
     }
   }
@@ -8997,7 +9001,7 @@ void revise_cache_usage(JOIN_TAB *join_tab)
          first_inner;
          first_inner= first_inner->first_upper)           
     {
-      for (tab= end_tab-1; tab >= first_inner; tab--)
+      for (tab= end_tab; tab >= first_inner; tab--)
         set_join_cache_denial(tab);
       end_tab= first_inner;
     }
@@ -9005,7 +9009,7 @@ void revise_cache_usage(JOIN_TAB *join_tab)
   else if (join_tab->first_sj_inner_tab)
   {
     first_inner= join_tab->first_sj_inner_tab;
-    for (tab= join_tab-1; tab >= first_inner; tab--)
+    for (tab= join_tab; tab >= first_inner; tab--)
     {
       set_join_cache_denial(tab);
     }
@@ -9247,6 +9251,9 @@ uint check_join_cache_usage(JOIN_TAB *tab,
 
   if (tab->use_quick == 2)
     goto no_join_cache;
+
+  if (tab->table->map & join->complex_firstmatch_tables)
+    goto no_join_cache;
   
   /*
     Don't use join cache if we're inside a join tab range covered by LooseScan
@@ -9457,7 +9464,7 @@ void check_join_cache_usage_for_tables(JOIN *join, ulonglong options,
   {
     tab->used_join_cache_level= join->max_allowed_join_cache_level;  
   }
-  
+
   uint idx= join->const_tables;
   for (tab= first_linear_tab(join, WITHOUT_CONST_TABLES); 
        tab; 
@@ -9542,6 +9549,8 @@ make_join_readinfo(JOIN *join, ulonglong options, uint no_jbuf_after)
   bool statistics= test(!(join->select_options & SELECT_DESCRIBE));
   bool sorted= 1;
 
+  join->complex_firstmatch_tables= table_map(0);
+
   if (!join->select_lex->sj_nests.is_empty() &&
       setup_semijoin_dups_elimination(join, options, no_jbuf_after))
     DBUG_RETURN(TRUE); /* purecov: inspected */
@@ -10422,6 +10431,15 @@ remove_const(JOIN *join,ORDER *first_order, COND *cond,
   }
   
 
+  /*
+    Cleanup to avoid interference of calls of this function for
+    ORDER BY and GROUP BY
+  */
+  for (JOIN_TAB *tab= join->join_tab + join->const_tables;
+       tab < join->join_tab + join->table_count;
+       tab++)
+    tab->cached_eq_ref_table= FALSE;
+
   prev_ptr= &first_order;
   *simple_order= *join->join_tab[join->const_tables].on_expr_ref ? 0 : 1;
 
@@ -11582,7 +11600,7 @@ Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels,
   else
   {
     TABLE_LIST *emb_nest;
-    head= item_equal->get_first(NULL);
+    head= item_equal->get_first(NO_PARTICULAR_TAB, NULL);
     it++;
     if ((emb_nest= embedding_sjm(head)))
     {
@@ -11609,7 +11627,7 @@ Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels,
     }      
 
     /* 
-      Check if "item_field=head" equality is already guaranteed to be true 
+      Check if "field_item=head" equality is already guaranteed to be true 
       on upper AND-levels.
     */
     if (upper)
@@ -11621,7 +11639,8 @@ Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels,
         Item_equal_fields_iterator li(*item_equal);
         while ((item= li++) != field_item)
         {
-          if (item->find_item_equal(upper_levels) == upper)
+          if (embedding_sjm(item) == field_sjm && 
+              item->find_item_equal(upper_levels) == upper)
             break;
         }
       }
@@ -11691,6 +11710,7 @@ Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels,
   return cond;
 }
 
+
 /**
   Substitute every field reference in a condition by the best equal field
   and eliminate all multiple equality predicates.
@@ -11705,6 +11725,9 @@ Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels,
     After this the function retrieves all other conjuncted
     predicates substitute every field reference by the field reference
     to the first equal field or equal constant if there are any.
+
+  @param context_tab     Join tab that 'cond' will be attached to, or 
+                         NO_PARTICULAR_TAB. See notes above.
   @param cond            condition to process
   @param cond_equal      multiple equalities to take into consideration
   @param table_join_idx  index to tables determining field preference
@@ -11715,11 +11738,37 @@ Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels,
     new fields in multiple equality item of lower levels. We want
     the order in them to comply with the order of upper levels.
 
+    context_tab may be used to specify which join tab `cond` will be
+    attached to. There are two possible cases:
+
+    1. context_tab != NO_PARTICULAR_TAB
+       We're doing substitution for an Item which will be evaluated in the 
+       context of a particular item. For example, if the optimizer does a 
+       ref access on "tbl1.key= expr" then
+        = equality substitution will be perfomed on 'expr'
+        = it is known in advance that 'expr' will be evaluated when 
+          table t1 is accessed.
+       Note that in this kind of substution we never have to replace Item_equal
+       objects. For example, for
+
+        t.key= func(col1=col2 AND col2=const)
+       
+       we will not build Item_equal or do equality substution (if we decide to,
+       this function will need to be fixed to handle it)
+
+    2. context_tab == NO_PARTICULAR_TAB
+       We're doing substitution in WHERE/ON condition, which is not yet 
+       attached to any particular join_tab. We will use information about the
+       chosen join order to make "optimal" substitions, i.e. those that allow
+       to apply filtering as soon as possible. See eliminate_item_equal() and 
+       Item_equal::get_first() for details.
+
   @return
     The transformed condition
 */
 
-static COND* substitute_for_best_equal_field(COND *cond,
+static COND* substitute_for_best_equal_field(JOIN_TAB *context_tab,
+                                             COND *cond,
                                              COND_EQUAL *cond_equal,
                                              void *table_join_idx)
 {
@@ -11735,7 +11784,7 @@ static COND* substitute_for_best_equal_field(COND *cond,
     if (and_level)
     {
       cond_equal= &((Item_cond_and *) cond)->cond_equal;
-      cond_list->disjoin((List<Item> *) &cond_equal->current_level);
+      cond_list->disjoin((List<Item> *) &cond_equal->current_level);/* remove Item_equal objects from the AND. */
 
       List_iterator_fast<Item_equal> it(cond_equal->current_level);      
       while ((item_equal= it++))
@@ -11748,7 +11797,8 @@ static COND* substitute_for_best_equal_field(COND *cond,
     Item *item;
     while ((item= li++))
     {
-      Item *new_item= substitute_for_best_equal_field(item, cond_equal,
+      Item *new_item= substitute_for_best_equal_field(context_tab,
+                                                      item, cond_equal,
                                                       table_join_idx);
       /*
         This works OK with PS/SP re-execution as changes are made to
@@ -11795,7 +11845,8 @@ static COND* substitute_for_best_equal_field(COND *cond,
       List_iterator_fast<Item_equal> it(cond_equal->current_level);
       while((item_equal= it++))
       {
-        cond= cond->transform(&Item::replace_equal_field, (uchar *) item_equal);
+        REPLACE_EQUAL_FIELD_ARG arg= {item_equal, context_tab};
+        cond= cond->transform(&Item::replace_equal_field, (uchar *) &arg);
       }
       cond_equal= cond_equal->upper_levels;
     }
@@ -15589,7 +15640,7 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
     if (join_tab->loosescan_match_tab && 
         join_tab->loosescan_match_tab->found_match)
     {
-      KEY *key= join_tab->table->key_info + join_tab->index;
+      KEY *key= join_tab->table->key_info + join_tab->loosescan_key;
       key_copy(join_tab->loosescan_buf, join_tab->table->record[0], key, 
                join_tab->loosescan_key_len);
       skip_over= TRUE;
@@ -15599,7 +15650,7 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
 
     if (skip_over && !error) 
     {
-      if(!key_cmp(join_tab->table->key_info[join_tab->index].key_part,
+      if(!key_cmp(join_tab->table->key_info[join_tab->loosescan_key].key_part,
                   join_tab->loosescan_buf, join_tab->loosescan_key_len))
       {
         /* 
@@ -18395,7 +18446,6 @@ create_sort_index(THD *thd, JOIN *join, ORDER *order,
     table->sort.io_cache= NULL;
 
     select->cleanup();				// filesort did select
-    tab->select= 0;
     table->quick_keys.clear_all();  // as far as we cleanup select->quick
     table->intersect_keys.clear_all();
     table->sort.io_cache= tablesort_result_cache;
diff --git a/sql/sql_select.h b/sql/sql_select.h
index 46e7b7fe95f..2f7d31de404 100644
--- a/sql/sql_select.h
+++ b/sql/sql_select.h
@@ -374,6 +374,12 @@ typedef struct st_join_table {
   /* Buffer to save index tuple to be able to skip duplicates */
   uchar *loosescan_buf;
   
+  /* 
+    Index used by LooseScan (we store it here separately because ref access
+    stores it in tab->ref.key, while range scan stores it in tab->index, etc)
+  */
+  uint loosescan_key;
+
   /* Length of key tuple (depends on #keyparts used) to store in the above */
   uint loosescan_key_len;
 
@@ -986,6 +992,13 @@ public:
   
   /* We also maintain a stack of join optimization states in * join->positions[] */
 /******* Join optimization state members end *******/
+
+  /*
+    Tables within complex firstmatch ranges (i.e. those where inner tables are
+    interleaved with outer tables). Join buffering cannot be used for these.
+  */
+  table_map complex_firstmatch_tables;
+
   /*
     The cost of best complete join plan found so far during optimization,
     after optimization phase - cost of picked join order (not taking into
@@ -1440,6 +1453,7 @@ public:
   virtual ~store_key() {}			/** Not actually needed */
   virtual enum Type type() const=0;
   virtual const char *name() const=0;
+  virtual bool store_key_is_const() { return false; }
 
   /**
     @brief sets ignore truncation warnings mode and calls the real copy method
@@ -1593,6 +1607,7 @@ public:
 
   enum Type type() const { return CONST_ITEM_STORE_KEY; }
   const char *name() const { return "const"; }
+  bool store_key_is_const() { return true; }
 
 protected:  
   enum store_key_result copy_inner()
diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index 584ebd904a8..9b6d3a8dda5 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -964,6 +964,7 @@ bool st_select_lex::cleanup()
   }
   non_agg_fields.empty();
   inner_refs_list.empty();
+  exclude_from_table_unique_test= FALSE;
   DBUG_RETURN(error);
 }
 
diff --git a/sql/sql_update.cc b/sql/sql_update.cc
index 99cac9f40e7..5fa30c91417 100644
--- a/sql/sql_update.cc
+++ b/sql/sql_update.cc
@@ -304,7 +304,7 @@ int mysql_update(THD *thd,
   thd_proc_info(thd, "init");
   table= table_list->table;
 
-  if (!table_list->updatable)
+  if (!table_list->single_table_updatable())
   {
     my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias, "UPDATE");
     DBUG_RETURN(1);
@@ -1246,7 +1246,7 @@ int mysql_multi_update_prepare(THD *thd)
     /* if table will be updated then check that it is unique */
     if (table->map & tables_for_update)
     {
-      if (!tl->updatable || check_key_in_view(thd, tl))
+      if (!tl->single_table_updatable() || check_key_in_view(thd, tl))
       {
         my_error(ER_NON_UPDATABLE_TABLE, MYF(0), tl->alias, "UPDATE");
         DBUG_RETURN(TRUE);
diff --git a/sql/table.cc b/sql/table.cc
index 53e5872bfe4..8f4f034bf2a 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -4053,6 +4053,28 @@ bool TABLE_LIST::prep_where(THD *thd, Item **conds,
   DBUG_RETURN(FALSE);
 }
 
+/**
+  Check that table/view is updatable and if it has single
+  underlying tables/views it is also updatable
+
+  @return Result of the check.
+*/
+
+bool TABLE_LIST::single_table_updatable()
+{
+  if (!updatable)
+    return false;
+  if (view_tables && view_tables->elements == 1)
+  {
+    /*
+      We need to check deeply only single table views. Multi-table views
+      will be turned to multi-table updates and then checked by leaf tables
+    */
+    return view_tables->head()->single_table_updatable();
+  }
+  return true;
+}
+
 
 /*
   Merge ON expressions for a view
@@ -4702,6 +4724,36 @@ bool TABLE_LIST::prepare_security(THD *thd)
   DBUG_RETURN(FALSE);
 }
 
+#ifndef DBUG_OFF
+void TABLE_LIST::set_check_merged()
+{
+  DBUG_ASSERT(derived);
+  /*
+    It is not simple to check all, but at least this should be checked:
+    this select is not excluded or the exclusion came from above.
+  */
+  DBUG_ASSERT(!derived->first_select()->exclude_from_table_unique_test ||
+              derived->outer_select()->
+              exclude_from_table_unique_test);
+}
+#endif
+
+void TABLE_LIST::set_check_materialized()
+{
+  DBUG_ASSERT(derived);
+  if (!derived->first_select()->exclude_from_table_unique_test)
+    derived->set_unique_exclude();
+  else
+  {
+    /*
+      The subtree should be already excluded
+    */
+    DBUG_ASSERT(!derived->first_select()->first_inner_unit() ||
+                derived->first_select()->first_inner_unit()->first_select()->
+                exclude_from_table_unique_test);
+  }
+}
+
 
 Natural_join_column::Natural_join_column(Field_translator *field_param,
                                          TABLE_LIST *tab)
@@ -4828,6 +4880,7 @@ Item *Field_iterator_table::create_item(THD *thd)
   {
     select->non_agg_fields.push_back(item);
     item->marker= select->cur_pos_in_select_list;
+    select->set_non_agg_field_used(true);
   }
   return item;
 }
@@ -5532,6 +5585,12 @@ void TABLE::mark_virtual_columns_for_write(bool insert_fl)
   Field **vfield_ptr, *tmp_vfield;
   bool bitmap_updated= FALSE;
 
+  if (!vfield)
+    return;
+
+  if (!vfield)
+    return;
+
   for (vfield_ptr= vfield; *vfield_ptr; vfield_ptr++)
   {
     tmp_vfield= *vfield_ptr;
@@ -6293,8 +6352,9 @@ bool TABLE_LIST::init_derived(THD *thd, bool init_view)
   */
   if (is_materialized_derived())
   {
-    unit->master_unit()->set_unique_exclude();
+    set_check_materialized();
   }
+
   /*
     Create field translation for mergeable derived tables/views.
     For derived tables field translation can be created only after
diff --git a/sql/table.h b/sql/table.h
index a327d625387..77a7f8cf6a9 100644
--- a/sql/table.h
+++ b/sql/table.h
@@ -1983,16 +1983,18 @@ struct TABLE_LIST
   inline void set_merged_derived()
   {
     derived_type= ((derived_type & DTYPE_MASK) |
-                    DTYPE_TABLE | DTYPE_MERGE);
+                   DTYPE_TABLE | DTYPE_MERGE);
+    set_check_merged();
   }
   inline bool is_materialized_derived()
   {
     return (derived_type & DTYPE_MATERIALIZE);
   }
-  inline void set_materialized_derived()
+  void set_materialized_derived()
   {
     derived_type= ((derived_type & DTYPE_MASK) |
-                    DTYPE_TABLE | DTYPE_MATERIALIZE);
+                   DTYPE_TABLE | DTYPE_MATERIALIZE);
+    set_check_materialized();
   }
   inline bool is_multitable()
   {
@@ -2033,9 +2035,17 @@ struct TABLE_LIST
   int fetch_number_of_rows();
   bool change_refs_to_fields();
 
+  bool single_table_updatable();
+
 private:
   bool prep_check_option(THD *thd, uint8 check_opt_type);
   bool prep_where(THD *thd, Item **conds, bool no_where_clause);
+  void set_check_materialized();
+#ifndef DBUG_OFF
+  void set_check_merged();
+#else
+  inline void set_check_merged() {}
+#endif
   /** See comments for set_metadata_id() */
   enum enum_table_ref_type m_table_ref_type;
   /** See comments for set_metadata_id() */
diff --git a/sql/winservice.c b/sql/winservice.c
index 51a5a07a820..e4e0a3bd596 100644
--- a/sql/winservice.c
+++ b/sql/winservice.c
@@ -116,7 +116,7 @@ int get_mysql_service_properties(const wchar_t *bin_path,
     wcscat(mysqld_path, L".exe");
 
   if(wcsicmp(file_part, L"mysqld.exe") != 0 && 
-    wcsicmp(file_part, L"mysqld.exe") != 0 &&
+    wcsicmp(file_part, L"mysqld-debug.exe") != 0 &&
     wcsicmp(file_part, L"mysqld-nt.exe") != 0)
   {
     /* The service executable is not mysqld. */
@@ -244,4 +244,4 @@ int get_mysql_service_properties(const wchar_t *bin_path,
 end:
   LocalFree((HLOCAL)args);
   return retval;
-}
\ No newline at end of file
+}
diff --git a/storage/oqgraph/graphcore.cc b/storage/oqgraph/graphcore.cc
index 0b856ac253f..ba179989ea3 100644
--- a/storage/oqgraph/graphcore.cc
+++ b/storage/oqgraph/graphcore.cc
@@ -414,7 +414,7 @@ namespace open_query {
           if (record_weight && u != v)
           {
             typename graph_traits<Graph>::out_edge_iterator ei, ei_end;
-            for (tie(ei, ei_end)= out_edges(v, g); ei != ei_end; ++ei)
+            for (boost::tuples::tie(ei, ei_end)= out_edges(v, g); ei != ei_end; ++ei)
             {
               if (target(*ei, g) == u)
               {
@@ -479,14 +479,14 @@ namespace open_query
     if (in_degree(dest, g) >= out_degree(orig, g))
     {
       graph_traits<Graph>::out_edge_iterator ei, ei_end;
-      tie(ei, ei_end)= out_edges(orig, g);
+      boost::tuples::tie(ei, ei_end)= out_edges(orig, g);
       if ((ei= find_if(ei, ei_end, target_equals(dest, g))) != ei_end)
         return *ei;
     }
     else
     {
       graph_traits<Graph>::in_edge_iterator ei, ei_end;
-      tie(ei, ei_end)= in_edges(dest, g);
+      boost::tuples::tie(ei, ei_end)= in_edges(dest, g);
       if ((ei= find_if(ei, ei_end, source_equals(orig, g))) != ei_end)
         return *ei;
     }
@@ -727,7 +727,7 @@ namespace open_query
         if ((cursor= new (std::nothrow) stack_cursor(share)) && orig)
         {
           graph_traits<Graph>::out_edge_iterator ei, ei_end;
-          for (tie(ei, ei_end)= out_edges(*orig, share->g); ei != ei_end; ++ei)
+          for (boost::tuples::tie(ei, ei_end)= out_edges(*orig, share->g); ei != ei_end; ++ei)
           {
             Vertex v= target(*ei, share->g);
             static_cast<stack_cursor*>(cursor)->
@@ -741,7 +741,7 @@ namespace open_query
 	    dest)
         {
           graph_traits<Graph>::in_edge_iterator ei, ei_end;
-          for (tie(ei, ei_end)= in_edges(*dest, share->g); ei != ei_end; ++ei)
+          for (boost::tuples::tie(ei, ei_end)= in_edges(*dest, share->g); ei != ei_end; ++ei)
           {
             Vertex v= source(*ei, share->g);
             static_cast<stack_cursor*>(cursor)->
@@ -876,7 +876,7 @@ namespace open_query
           switch (ALGORITHM & op)
           {
           case DIJKSTRAS:
-            dijkstra_shortest_paths(r, *dest,
+            dijkstra_shortest_paths(r.m_g, *dest,
                 weight_map(
                   share->weightmap
                 ).
@@ -1067,7 +1067,7 @@ int edges_cursor::fetch_row(const row &row_info, row &result)
   edge_iterator it, end;
   reference ref;
   size_t count= position;
-  for (tie(it, end)= edges(share->g); count && it != end; ++it, --count)
+  for (boost::tuples::tie(it, end)= edges(share->g); count && it != end; ++it, --count)
     ;
   if (it != end)
     ref= reference(position+1, *it);
diff --git a/storage/xtradb/row/row0sel.c b/storage/xtradb/row/row0sel.c
index c7308ccb765..07608389d9a 100644
--- a/storage/xtradb/row/row0sel.c
+++ b/storage/xtradb/row/row0sel.c
@@ -3263,16 +3263,15 @@ row_sel_pop_cached_row_for_mysql(
 }
 
 /********************************************************************//**
-Pushes a row for MySQL to the fetch cache.
-@return TRUE on success, FALSE if the record contains incomplete BLOBs */
-UNIV_INLINE __attribute__((warn_unused_result))
-ibool
-row_sel_push_cache_row_for_mysql(
-/*=============================*/
-	byte*		mysql_rec,	/*!< in/out: MySQL record */
+Get the last fetch cache buffer from the queue.
+@return pointer to buffer. */
+UNIV_INLINE
+byte*
+row_sel_fetch_last_buf(
+/*===================*/
 	row_prebuilt_t*	prebuilt)	/*!< in/out: prebuilt struct */
 {
-	ut_ad(prebuilt->n_fetch_cached < MYSQL_FETCH_CACHE_SIZE);
+        ut_a(prebuilt->n_fetch_cached < MYSQL_FETCH_CACHE_SIZE);
 	ut_a(!prebuilt->templ_contains_blob);
 
 	if (UNIV_UNLIKELY(prebuilt->fetch_cache[0] == NULL)) {
@@ -3301,15 +3300,28 @@ row_sel_push_cache_row_for_mysql(
 	UNIV_MEM_INVALID(prebuilt->fetch_cache[prebuilt->n_fetch_cached],
 			 prebuilt->mysql_row_len);
 
-	memcpy(prebuilt->fetch_cache[prebuilt->n_fetch_cached],
-	       mysql_rec, prebuilt->mysql_row_len);
+	return(prebuilt->fetch_cache[prebuilt->n_fetch_cached]);
+}
 
-	if (++prebuilt->n_fetch_cached < MYSQL_FETCH_CACHE_SIZE) {
-		return(FALSE);
+/********************************************************************//**
+Pushes a row for MySQL to the fetch cache. */
+UNIV_INLINE 
+void
+row_sel_push_cache_row_for_mysql(
+/*=============================*/
+	byte*		mysql_rec,	/*!< in/out: MySQL record */
+	row_prebuilt_t*	prebuilt)	/*!< in/out: prebuilt struct */
+{
+	/* For non ICP code path the row should already exist in the
+	next fetch cache slot. */
+
+	if (prebuilt->idx_cond != NULL) {
+		byte*	dest = row_sel_fetch_last_buf(prebuilt);
+
+		ut_memcpy(dest, mysql_rec, prebuilt->mysql_row_len);
 	}
 
-	row_sel_pop_cached_row_for_mysql(mysql_rec, prebuilt);
-	return(TRUE);
+        ++prebuilt->n_fetch_cached;
 }
 
 /*********************************************************************//**
@@ -3459,6 +3471,7 @@ row_search_idx_cond_check(
 	}
 
 	ut_error;
+	return(ICP_ABORTED_BY_USER); /* Keep compiler happy */
 }
 
 /********************************************************************//**
@@ -4735,9 +4748,16 @@ requires_clust_rec:
 		not cache rows because there the cursor is a scrollable
 		cursor. */
 
+                ut_a(prebuilt->n_fetch_cached < MYSQL_FETCH_CACHE_SIZE);
+
+                /* We only convert from InnoDB row format to MySQL row
+                format when ICP is disabled. */
+
 		if (!prebuilt->idx_cond
-		    && !row_sel_store_mysql_rec(buf, prebuilt, result_rec,
-						result_rec != rec, offsets)) {
+		    && !row_sel_store_mysql_rec(
+                            row_sel_fetch_last_buf(prebuilt),
+                            prebuilt, result_rec,
+			    result_rec != rec, offsets)) {
 			/* Only fresh inserts may contain incomplete
 			externally stored columns. Pretend that such
 			records do not exist. Such records may only be
@@ -4746,8 +4766,12 @@ requires_clust_rec:
 			transaction. Rollback happens at a lower
 			level, not here. */
 			goto next_rec;
-		} else if (row_sel_push_cache_row_for_mysql(buf, prebuilt)) {
-			goto next_rec;
+		}
+
+                row_sel_push_cache_row_for_mysql(buf, prebuilt);
+
+                if (prebuilt->n_fetch_cached < MYSQL_FETCH_CACHE_SIZE) {
+                        goto next_rec;
 		}
 	} else {
 		if (UNIV_UNLIKELY
diff --git a/win/packaging/heidisql.cmake b/win/packaging/heidisql.cmake
index 94a287cba08..f826c9a6633 100644
--- a/win/packaging/heidisql.cmake
+++ b/win/packaging/heidisql.cmake
@@ -1,4 +1,4 @@
-SET(HEIDISQL_BASE_NAME "HeidiSQL_6.0_Portable")

+SET(HEIDISQL_BASE_NAME "HeidiSQL_7.0_Portable")

 SET(HEIDISQL_ZIP "${HEIDISQL_BASE_NAME}.zip")

 SET(HEIDISQL_URL "http://heidisql.googlecode.com/files/${HEIDISQL_ZIP}")

 SET(HEIDISQL_DOWNLOAD_DIR ${THIRD_PARTY_DOWNLOAD_LOCATION}/${HEIDISQL_BASE_NAME})