Create 'main' test directory and move 't' and 'r' there

1 files changed, 0 insertions, 706 deletions

diff --git a/mysql-test/r/table_elim.result b/mysql-test/r/table_elim.result
deleted file mode 100644
index cf9a4a38779..00000000000
--- a/mysql-test/r/table_elim.result
+++ /dev/null
@@ -1,706 +0,0 @@
-drop table if exists t0, t1, t2, t3, t4, t5, t6;
-drop view if exists v1, v2;
-SET @save_optimizer_switch=@@optimizer_switch;
-SET optimizer_switch='outer_join_with_cache=off';
-create table t1 (a int);
-insert into t1 values (0),(1),(2),(3);
-create table t0 as select * from t1;
-create table t2 (a int primary key, b int) 
-as select a, a as b from t1 where a in (1,2);
-create table t3 (a int primary key, b int) 
-as select a, a as b from t1 where a in (1,3);
-# This will be  eliminated:
-explain select t1.a from t1 left join t2 on t2.a=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-explain extended select t1.a from t1 left join t2 on t2.a=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	100.00	
-Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where 1
-select t1.a from t1 left join t2 on t2.a=t1.a;
-a
-0
-1
-2
-3
-# This will not be eliminated as t2.b is in in select list:
-explain select * from t1 left join t2 on t2.a=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.a	1	Using where
-# This will not be eliminated as t2.b is in in order list:
-explain select t1.a from t1 left join t2 on t2.a=t1.a order by t2.b;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using temporary; Using filesort
-1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.a	1	Using where
-# This will not be eliminated as t2.b is in group list:
-explain select t1.a from t1 left join t2 on t2.a=t1.a group by t2.b;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using temporary; Using filesort
-1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.a	1	Using where
-# This will not be eliminated as t2.b is in the WHERE
-explain select t1.a from t1 left join t2 on t2.a=t1.a where t2.b < 3 or t2.b is null;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.a	1	Using where
-# Elimination of multiple tables:
-explain select t1.a from t1 left join (t2 join t3) on t2.a=t1.a and t3.a=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-# Elimination of multiple tables (2):
-explain select t1.a from t1 left join (t2 join t3 on t2.b=t3.b) on t2.a=t1.a and t3.a=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-# Elimination when done within an outer join nest:
-explain extended
-select t0.*
-from
-t0 left join (t1 left join (t2 join t3 on t2.b=t3.b) on t2.a=t1.a and
-t3.a=t1.a) on t0.a=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t0	ALL	NULL	NULL	NULL	NULL	4	100.00	
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
-Warnings:
-Note	1003	select `test`.`t0`.`a` AS `a` from `test`.`t0` left join (`test`.`t1`) on(`test`.`t1`.`a` = `test`.`t0`.`a`) where 1
-# Elimination with aggregate functions
-explain select count(*) from t1 left join t2 on t2.a=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-explain select count(1) from t1 left join t2 on t2.a=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-explain select count(1) from t1 left join t2 on t2.a=t1.a group by t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using temporary; Using filesort
-This must not use elimination:
-explain select count(1) from t1 left join t2 on t2.a=t1.a group by t2.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using temporary; Using filesort
-1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.a	1	Using where; Using index
-drop table t0, t1, t2, t3;
-create table t0 ( id integer, primary key (id));
-create table t1 (
-id integer,
-attr1 integer,
-primary key (id),
-key (attr1)
-);
-create table t2 (
-id integer,
-attr2 integer,
-fromdate date,
-primary key (id, fromdate),
-key (attr2,fromdate)
-);
-insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
-insert into t0 select A.id + 10*B.id from t0 A, t0 B where B.id > 0;
-insert into t1 select id, id from t0;
-insert into t2 select id, id, date_add('2009-06-22', interval id day) from t0;
-insert into t2 select id, id+1, date_add('2008-06-22', interval id day) from t0;
-create view v1 as
-select 
-f.id, a1.attr1, a2.attr2
-from 
-t0 f 
-left join t1 a1 on a1.id=f.id
-left join t2 a2 on a2.id=f.id and 
-a2.fromdate=(select MAX(fromdate) from
-t2 where id=a2.id);
-create view v2 as
-select 
-f.id, a1.attr1, a2.attr2
-from 
-t0 f 
-left join t1 a1 on a1.id=f.id
-left join t2 a2 on a2.id=f.id and 
-a2.fromdate=(select MAX(fromdate) from
-t2 where id=f.id);
-This should use one table:
-explain select id from v1 where id=2;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	f	const	PRIMARY	PRIMARY	4	const	1	Using index
-This should use one table:
-explain extended select id from v1 where id in (1,2,3,4);
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	PRIMARY	f	range	PRIMARY	PRIMARY	4	NULL	4	100.00	Using where; Using index
-Warnings:
-Note	1276	Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2
-Note	1003	/* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` where `f`.`id` in (1,2,3,4)
-This should use facts and a1 tables:
-explain extended select id from v1 where attr1 between 12 and 14;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	PRIMARY	a1	range	PRIMARY,attr1	attr1	5	NULL	2	100.00	Using index condition
-1	PRIMARY	f	eq_ref	PRIMARY	PRIMARY	4	test.a1.id	1	100.00	Using index
-Warnings:
-Note	1276	Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2
-Note	1003	/* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t1` `a1` where `f`.`id` = `a1`.`id` and `a1`.`attr1` between 12 and 14
-This should use facts, a2 and its subquery:
-explain extended select id from v1 where attr2 between 12 and 14;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	PRIMARY	a2	range	PRIMARY,attr2	attr2	5	NULL	5	100.00	Using index condition; Using where
-1	PRIMARY	f	eq_ref	PRIMARY	PRIMARY	4	test.a2.id	1	100.00	Using index
-3	DEPENDENT SUBQUERY	t2	ref	PRIMARY	PRIMARY	4	test.a2.id	2	100.00	Using index
-Warnings:
-Note	1276	Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2
-Note	1003	/* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where `f`.`id` = `a2`.`id` and `a2`.`attr2` between 12 and 14 and `a2`.`fromdate` = <expr_cache><`a2`.`id`>((/* select#3 */ select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `a2`.`id`))
-This should use one table:
-explain select id from v2 where id=2;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	f	const	PRIMARY	PRIMARY	4	const	1	Using index
-This should use one table:
-explain extended select id from v2 where id in (1,2,3,4);
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	PRIMARY	f	range	PRIMARY	PRIMARY	4	NULL	4	100.00	Using where; Using index
-Warnings:
-Note	1276	Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2
-Note	1003	/* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` where `f`.`id` in (1,2,3,4)
-This should use facts and a1 tables:
-explain extended select id from v2 where attr1 between 12 and 14;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	PRIMARY	a1	range	PRIMARY,attr1	attr1	5	NULL	2	100.00	Using index condition
-1	PRIMARY	f	eq_ref	PRIMARY	PRIMARY	4	test.a1.id	1	100.00	Using index
-Warnings:
-Note	1276	Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2
-Note	1003	/* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t1` `a1` where `f`.`id` = `a1`.`id` and `a1`.`attr1` between 12 and 14
-This should use facts, a2 and its subquery:
-explain extended select id from v2 where attr2 between 12 and 14;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	PRIMARY	a2	range	PRIMARY,attr2	attr2	5	NULL	5	100.00	Using index condition
-1	PRIMARY	f	eq_ref	PRIMARY	PRIMARY	4	test.a2.id	1	100.00	Using where; Using index
-3	DEPENDENT SUBQUERY	t2	ref	PRIMARY	PRIMARY	4	test.f.id	2	100.00	Using index
-Warnings:
-Note	1276	Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2
-Note	1003	/* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where `f`.`id` = `a2`.`id` and `a2`.`attr2` between 12 and 14 and `a2`.`fromdate` = <expr_cache><`f`.`id`>((/* select#3 */ select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `f`.`id`))
-drop view v1, v2;
-drop table t0, t1, t2;
-create table t1 (a int);
-insert into t1 values (0),(1),(2),(3);
-create table t2 (pk1 int, pk2 int, pk3 int, col int, primary key(pk1, pk2, pk3));
-insert into t2 select a,a,a,a from t1;
-This must use only t1:
-explain select t1.* from t1 left join t2 on t2.pk1=t1.a and 
-t2.pk2=t2.pk1+1 and
-t2.pk3=t2.pk2+1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-This must use only t1:
-explain select t1.* from t1 left join t2 on t2.pk1=t1.a and 
-t2.pk3=t2.pk1+1 and
-t2.pk2=t2.pk3+1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-This must use both:
-explain select t1.* from t1 left join t2 on t2.pk1=t1.a and 
-t2.pk3=t2.pk1+1 and
-t2.pk2=t2.pk3+t2.col;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-1	SIMPLE	t2	ref	PRIMARY	PRIMARY	4	test.t1.a	1	Using where
-This must use only t1:
-explain select t1.* from t1 left join t2 on t2.pk2=t1.a and 
-t2.pk1=t2.pk2+1 and
-t2.pk3=t2.pk1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-drop table t1, t2;
-create table t1 (pk int primary key, col int);
-insert into t1 values (1,1),(2,2);
-create table t2 like t1;
-insert into t2 select * from t1;
-create table t3 like t1;
-insert into t3 select * from t1;
-explain 
-select t1.* from t1 left join ( t2 left join t3 on t3.pk=t2.col) on t2.col=t1.col;
-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	2	Using where
-explain 
-select t1.*, t2.* from t1 left join (t2 left join t3 on t3.pk=t2.col) on t2.pk=t1.col;
-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	eq_ref	PRIMARY	PRIMARY	4	test.t1.col	1	Using where
-explain select t1.* 
-from 
-t1 left join ( t2 left join t3 on t3.pk=t2.col or t3.pk=t2.col) 
-on t2.col=t1.col or t2.col=t1.col;
-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	2	Using where
-explain select t1.*, t2.* 
-from 
-t1 left join 
-(t2 left join t3 on t3.pk=t2.col or t3.pk=t2.col) 
-on t2.pk=t1.col or t2.pk=t1.col;
-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	eq_ref	PRIMARY	PRIMARY	4	test.t1.col	1	Using where
-drop table t1, t2, t3;
-# 
-# Check things that look like functional dependencies but really are not
-# 
-create table t1 (a char(10) character set latin1 collate latin1_general_ci primary key);
-insert into t1 values ('foo');
-insert into t1 values ('bar');
-create table t2 (a char(10) character set latin1 collate latin1_general_cs primary key);
-insert into t2 values ('foo');
-insert into t2 values ('FOO');
-this must not use table elimination:
-explain select t1.* from t1 left join t2 on t2.a='foo' collate latin1_general_ci;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index	NULL	PRIMARY	10	NULL	2	Using index
-1	SIMPLE	t2	index	PRIMARY	PRIMARY	10	NULL	2	Using where; Using index
-this must not use table elimination:
-explain select t1.* from t1 left join t2 on t2.a=t1.a collate latin1_general_ci;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index	NULL	PRIMARY	10	NULL	2	Using index
-1	SIMPLE	t2	ALL	PRIMARY	NULL	NULL	NULL	2	Range checked for each record (index map: 0x1)
-drop table t1,t2;
-create table t1 (a int primary key);
-insert into t1 values (1),(2);
-create table t2 (a char(10) primary key);
-insert into t2 values ('1'),('1.0');
-this must not use table elimination:
-explain select t1.* from t1 left join t2 on t2.a=1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	2	Using index
-1	SIMPLE	t2	index	PRIMARY	PRIMARY	10	NULL	2	Using where; Using index
-this must not use table elimination:
-explain select t1.* from t1 left join t2 on t2.a=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	2	Using index
-1	SIMPLE	t2	ALL	PRIMARY	NULL	NULL	NULL	2	Range checked for each record (index map: 0x1)
-drop table t1, t2;
-create table t1 (a char(10) primary key);
-insert into t1 values ('foo'),('bar');
-create table t2 (a char(10), unique key(a(2)));
-insert into t2 values
-('foo'),('bar'),('boo'),('car'),('coo'),('par'),('doo'),('tar');
-explain select t1.* from t1 left join t2 on t2.a=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index	NULL	PRIMARY	10	NULL	2	Using index
-1	SIMPLE	t2	ref	a	a	3	test.t1.a	2	Using where
-drop table t1, t2;
-#
-# check UPDATE/DELETE that look like they could be eliminated
-#
-create table t1 (a int primary key, b int);
-insert into t1 values (1,1),(2,2),(3,3);
-create table t2 like t1;
-insert into t2 select * from t1;
-update t1 left join t2 using (a) set t2.a=t2.a+100;
-select * from t1;
-a	b
-1	1
-2	2
-3	3
-select * from t2;
-a	b
-101	1
-102	2
-103	3
-delete from t2;
-insert into t2 select * from t1;
-delete t2 from t1 left join t2 using (a);
-select * from t1;
-a	b
-1	1
-2	2
-3	3
-select * from t2;
-a	b
-drop table t1, t2;
-#
-# Tests with various edge-case ON expressions
-#
-create table t1 (a int, b int, c int, d int);
-insert into t1 values (0,0,0,0),(1,1,1,1),(2,2,2,2),(3,3,3,3);
-create table t2 (pk int primary key, b int) 
-as select a as pk, a as b from t1 where a in (1,2);
-create table t3 (pk1 int, pk2 int, b int, unique(pk1,pk2));
-insert into t3 select a as pk1, a as pk2, a as b from t1 where a in (1,3);
-explain select t1.a from t1 left join t2 on t2.pk=t1.a and t2.b<t1.b;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-explain select t1.a from t1 left join t2 on t2.pk=t1.a or t2.b<t1.b;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-1	SIMPLE	t2	ALL	PRIMARY	NULL	NULL	NULL	2	Using where
-explain select t1.a from t1 left join t2 on t2.b<t1.b or t2.pk=t1.a;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-1	SIMPLE	t2	ALL	PRIMARY	NULL	NULL	NULL	2	Using where
-explain select t1.a from t1 left join t2 on t2.pk between 10 and 20;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-1	SIMPLE	t2	index	PRIMARY	PRIMARY	4	NULL	2	Using where; Using index
-explain select t1.a from t1 left join t2 on t2.pk between 0.5 and 1.5;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-1	SIMPLE	t2	index	PRIMARY	PRIMARY	4	NULL	2	Using where; Using index
-explain select t1.a from t1 left join t2 on t2.pk between 10 and 10;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-explain select t1.a from t1 left join t2 on t2.pk in (10);
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-explain select t1.a from t1 left join t2 on t2.pk in (t1.a);
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-explain select t1.a from t1 left join t2 on TRUE;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-1	SIMPLE	t2	index	NULL	PRIMARY	4	NULL	2	Using where; Using index
-explain select t1.a from t1 left join t3 on t3.pk1=t1.a and t3.pk2 IS NULL;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-drop table t1,t2,t3;
-#
-# Multi-equality tests 
-#
-create table t1 (a int, b int, c int, d int);
-insert into t1 values (0,0,0,0),(1,1,1,1),(2,2,2,2),(3,3,3,3);
-create table t2 (pk int primary key, b int, c int);
-insert into t2 select a,a,a from t1 where a in (1,2);
-explain 
-select t1.* 
-from t1 left join t2 on t2.pk=t2.c and t2.b=t1.a and t1.a=t1.b and t2.c=t2.b
-where t1.d=1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using where
-explain 
-select t1.* 
-from 
-t1 
-left join 
-t2 
-on (t2.pk=t2.c and t2.b=t1.a and t1.a=t1.b and t2.c=t2.b) or
-(t2.pk=t2.c and t2.b=t1.a and t1.a=t1.b and t2.c=t2.b) 
-where t1.d=1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using where
-#This can't be eliminated:
-explain 
-select t1.* 
-from 
-t1 
-left join 
-t2 
-on (t2.pk=t2.c and t2.b=t1.a and               t2.c=t1.b) or
-(t2.pk=t2.c and               t1.a=t1.b and t2.c=t1.b) 
-where t1.d=1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using where
-1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.b	1	Using where
-explain 
-select t1.* 
-from 
-t1 
-left join 
-t2 
-on (t2.pk=t2.c and t2.b=t1.a and t2.c=t1.b) or
-(t2.pk=t2.c and               t2.c=t1.b) 
-;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-explain 
-select t1.* 
-from t1 left join t2 on t2.pk=3 or t2.pk= 4;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-1	SIMPLE	t2	index	PRIMARY	PRIMARY	4	NULL	2	Using where; Using index
-explain 
-select t1.* 
-from t1 left join t2 on t2.pk=3 or t2.pk= 3;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-explain 
-select t1.* 
-from t1 left join t2 on (t2.pk=3 and t2.b=3) or (t2.pk= 4 and t2.b=3);
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	
-1	SIMPLE	t2	range	PRIMARY	PRIMARY	4	NULL	2	Using where
-drop table t1, t2;
-#
-# LPBUG#523593: Running RQG optimizer_no_subquery crashes MariaDB
-#
-CREATE TABLE t1 (
-`pk` int(11) NOT NULL AUTO_INCREMENT,
-`col_int_nokey` int(11) DEFAULT NULL,
-`col_int_key` int(11) DEFAULT NULL,
-`col_date_key` date DEFAULT NULL,
-`col_date_nokey` date DEFAULT NULL,
-`col_time_key` time DEFAULT NULL,
-`col_time_nokey` time DEFAULT NULL,
-`col_datetime_key` datetime DEFAULT NULL,
-`col_datetime_nokey` datetime DEFAULT NULL,
-`col_varchar_key` varchar(1) DEFAULT NULL,
-`col_varchar_nokey` varchar(1) DEFAULT NULL,
-PRIMARY KEY (`pk`),
-KEY `col_int_key` (`col_int_key`),
-KEY `col_date_key` (`col_date_key`),
-KEY `col_time_key` (`col_time_key`),
-KEY `col_datetime_key` (`col_datetime_key`),
-KEY `col_varchar_key` (`col_varchar_key`,`col_int_key`)
-);
-CREATE TABLE t2 LIKE t1;
-INSERT INTO t1 VALUES 
-(10,7,8,NULL,NULL,'01:27:35','01:27:35','2002-02-26 06:14:37','2002-02-26 06:14:37','v','v'),
-(11,1,9,'2006-06-14','2006-06-14','19:48:31','19:48:31','1900-01-01 00:00:00','1900-01-01 00:00:00','r','r');
-INSERT INTO t2 SELECT * FROM t1;
-SELECT table2.col_int_key AS field1 
-FROM ( 
-t2 AS table1 
-RIGHT OUTER JOIN 
-( 
-( t1 AS table2 STRAIGHT_JOIN 
-t1 AS table3 ON (
-(table3.col_varchar_nokey = table2.col_varchar_key ) AND 
-(table3.pk = table2.col_int_key)) 
-)
-) ON 
-(
-(table3.col_varchar_key = table2.col_varchar_key) OR 
-(table3.col_int_key = table2.pk)
-)
-)
-HAVING field1 < 216;
-field1
-DROP TABLE t1, t2;
-#
-# LPBUG#524025 Running RQG outer_join test leads to crash
-#
-CREATE TABLE t0 (
-pk int(11) NOT NULL AUTO_INCREMENT,
-PRIMARY KEY (pk)
-);
-CREATE TABLE t1 (
-col_int int(11) DEFAULT NULL,
-col_int_key int(11) DEFAULT NULL,
-pk int(11) NOT NULL AUTO_INCREMENT,
-col_varchar_10_latin1 varchar(10) DEFAULT NULL,
-PRIMARY KEY (pk)
-);
-INSERT INTO t1 VALUES (5,5,1,'t'), (NULL,NULL,2,'y');
-CREATE TABLE t2 (
-col_int int(11) DEFAULT NULL
-);
-INSERT INTO t2 VALUES (8), (4);
-CREATE TABLE t3 (
-pk int(11) NOT NULL AUTO_INCREMENT,
-PRIMARY KEY (pk)
-);
-INSERT INTO t3 VALUES (1),(8);
-CREATE TABLE t4 (
-pk int(11) NOT NULL AUTO_INCREMENT,
-col_varchar_1024_latin1_key varchar(1024) DEFAULT NULL,
-col_int int(11) DEFAULT NULL,
-PRIMARY KEY (pk)
-);
-INSERT INTO t4 VALUES (1,'o',1), (2,'w',2);
-CREATE TABLE t5 (
-col_varchar_1024_utf8_key varchar(1024) CHARACTER SET utf8 DEFAULT NULL,
-col_varchar_1024_latin1_key varchar(1024) DEFAULT NULL,
-col_varchar_10_utf8_key varchar(1024) CHARACTER SET utf8 DEFAULT NULL,
-pk int(11) NOT NULL AUTO_INCREMENT,
-col_int_key int(11) DEFAULT NULL,
-PRIMARY KEY (pk)
-);
-INSERT INTO t5 VALUES ('k','a','z',1,2),('x','a','w',2,7);
-CREATE TABLE t6 (
-col_int int(11) DEFAULT NULL,
-col_int_key int(11) DEFAULT NULL
-);
-INSERT INTO t6 VALUES (6,1),(8,3);
-SELECT
-table3.col_int AS field1,
-table1.col_int AS field2,
-table1.col_int_key AS field3,
-table1.pk AS field4,
-table1.col_int AS field5,
-table2.col_int AS field6
-FROM
-t1 AS table1
-LEFT OUTER JOIN
-t4 AS table2
-LEFT JOIN t6 AS table3
-RIGHT JOIN t3 AS table4
-LEFT JOIN t5 AS table5 ON table4.pk = table5.pk
-LEFT JOIN t0 AS table6 ON table5.col_int_key = table6.pk
-ON table3.col_int_key = table5.pk
-ON table2.col_varchar_1024_latin1_key = table5.col_varchar_10_utf8_key
-LEFT JOIN t6 AS table7 ON table2.pk = table7.col_int
-ON table1.col_varchar_10_latin1 = table5.col_varchar_1024_latin1_key
-LEFT JOIN t2 AS table8 ON table3.col_int = table8.col_int
-WHERE
-table1.col_int_key < table2.pk
-HAVING
-field4 != 6;
-field1	field2	field3	field4	field5	field6
-drop table t0,t1,t2,t3,t4,t5,t6;
-#
-# BUG#675118: Elimination of a table results in an invalid execution plan
-#
-CREATE TABLE t1 (f1 int(11), PRIMARY KEY (f1)) ;
-CREATE TABLE t2 (f4 varchar(1024), KEY (f4)) ;
-Warnings:
-Warning	1071	Specified key was too long; max key length is 1000 bytes
-INSERT IGNORE INTO t2 VALUES ('xcddwntkbxyorzdv'),
-('cnxxcddwntkbxyor'),('r'),('r'), ('did'),('I'),('when'),
-('hczkfqjeggivdvac'),('e'),('okay'),('up');
-CREATE TABLE t3 (f4 varchar(1024), f1 int(11), f2 int(11)) ;
-INSERT IGNORE INTO t3 VALUES ('f','4','0'),('n','5','-996540416');
-CREATE TABLE t4 (f1 int(11), f3 varchar(10)) ;
-INSERT IGNORE INTO t4 VALUES ('8','n'),('9','nwzcerzsgx'),('10','c');
-CREATE TABLE t5 (f5 int(11), KEY (f5)) ;
-EXPLAIN 
-SELECT t3.f2
-FROM t2
-LEFT JOIN t3
-LEFT JOIN t4
-LEFT JOIN t1 ON t4.f1 = t1.f1
-JOIN t5 ON t4.f3 ON t3.f1 = t5.f5 ON t2.f4 = t3.f4
-WHERE t3.f2 ;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	2	Using where
-1	SIMPLE	t5	ref	f5	f5	5	test.t3.f1	2	Using where; Using index
-1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	3	Using where
-1	SIMPLE	t2	ALL	f4	NULL	NULL	NULL	11	Using where; Using join buffer (flat, BNL join)
-# ^^ The above must not produce a QEP of t3,t5,t2,t4
-#    as that violates the "no interleaving of outer join nests" rule.
-DROP TABLE t1,t2,t3,t4,t5;
-#
-# BUG#997747: Assertion `join->best_read < ((double)1.79..5e+308L)' 
-#             failed in greedy_search with LEFT JOINs and unique keys  
-#
-CREATE TABLE t1 (a1 INT);
-CREATE TABLE t2 (b1 INT);
-CREATE TABLE t3 (c1 INT, UNIQUE KEY(c1));
-CREATE TABLE t4 (d1 INT, UNIQUE KEY(d1));
-CREATE TABLE t5 (e1 INT);
-INSERT INTO t1 VALUES (1),(2);
-INSERT INTO t2 VALUES (2),(3);
-INSERT INTO t3 VALUES (3),(4);
-INSERT INTO t4 VALUES (4),(5);
-INSERT INTO t5 VALUES (5),(6);
-SELECT a1 FROM t1 LEFT JOIN t2 LEFT JOIN t3 LEFT JOIN t4
-ON c1 = d1 ON d1 = b1 ON a1 = b1
-LEFT JOIN t5 ON a1 = e1 ;
-a1
-1
-2
-DROP TABLE t1,t2,t3,t4,t5;
-#
-# BUG#884184: Wrong result with RIGHT JOIN + derived_merge
-#
-CREATE TABLE t1 (a int(11), b varchar(1)) ;
-INSERT IGNORE INTO t1 VALUES (0,'g');
-CREATE TABLE t3 ( a varchar(1)) ;
-INSERT IGNORE INTO t3 VALUES ('g');
-CREATE TABLE t2 ( a int(11) NOT NULL, PRIMARY KEY (a));
-INSERT INTO t2 VALUES (9), (10);
-create view v1 as SELECT t1.* FROM t1 LEFT JOIN t2 ON ( t1.a = t2.a ) WHERE t2.a <> 0;
-SELECT alias1.* FROM t3 LEFT JOIN v1 as alias1 ON ( t3.a = alias1.b );
-a	b
-NULL	NULL
-EXPLAIN SELECT alias1.* FROM t3 LEFT JOIN v1 as alias1 ON ( t3.a = alias1.b );
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	system	NULL	NULL	NULL	NULL	1	
-1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	1	Using where
-1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.a	1	Using index
-drop view v1;
-DROP TABLE t1,t2,t3;
-#
-# MDEV-5344: LEFT OUTER JOIN table data is lost in ON DUPLICATE KEY UPDATE section
-#
-create table t1 (
-id int(10) unsigned NOT NULL DEFAULT '0',
-v int(10) unsigned DEFAULT '0',
-PRIMARY KEY (id)
-);
-create table t2 (
-id int(10) unsigned NOT NULL DEFAULT '0',
-PRIMARY KEY (id)
-) ;
-create table t3 (
-id int(10) unsigned NOT NULL DEFAULT '0',
-v int(10) unsigned DEFAULT '0',
-PRIMARY KEY (id)
-);
-insert into t1 values (1, 10), (2, 10);
-insert into t2 values (1), (2);
-insert into t3 values (1, 20);
-insert into t1 
-select t2.id, 5 from t2 LEFT OUTER JOIN t3 ON t2.id = t3.id
-on duplicate key update t1.v = t3.v;
-select * from t1;
-id	v
-1	20
-2	NULL
-drop table t1,t2,t3;
-#
-# BUG#919878: Assertion `!eliminated_tables...
-#
-CREATE TABLE t1 ( a INT );
-INSERT INTO t1 VALUES (1);
-CREATE TABLE t2
-( b INT, UNIQUE INDEX(b) );
-INSERT INTO t2 VALUES (1),(2);
-EXPLAIN EXTENDED
-SELECT * FROM t2
-WHERE b IN (
-SELECT SUM(a) FROM t1 LEFT JOIN t2 ON b=a
-);
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	PRIMARY	t2	index	NULL	b	5	NULL	2	100.00	Using where; Using index
-2	DEPENDENT SUBQUERY	t1	system	NULL	NULL	NULL	NULL	1	100.00	
-Warnings:
-Note	1003	/* select#1 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` where <expr_cache><`test`.`t2`.`b`>(<in_optimizer>(`test`.`t2`.`b`,<exists>(/* select#2 */ select sum(1) from dual where 1 having <cache>(`test`.`t2`.`b`) = <ref_null_helper>(sum(1)))))
-DROP TABLE t1,t2;
-#
-# MDEV-4840: Wrong result (missing rows) on LEFT JOIN with InnoDB tables
-#
-CREATE TABLE t1 (alpha3 VARCHAR(3));
-INSERT INTO t1 VALUES ('USA'),('CAN');
-CREATE TABLE t2 ( t3_code VARCHAR(3), name VARCHAR(64));
-INSERT INTO t2 VALUES ('USA','Austin'),('USA','Boston');
-CREATE TABLE t3 ( code VARCHAR(3),  name VARCHAR(64),  PRIMARY KEY (code),  UNIQUE KEY (name));
-INSERT INTO t3 VALUES ('CAN','Canada'),('USA','United States');
-SELECT *         FROM t1 LEFT JOIN ( t2 LEFT JOIN t3 ON t2.t3_code  = t3.code ) ON t1.alpha3 = t3.code;
-alpha3	t3_code	name	code	name
-USA	USA	Austin	USA	United States
-USA	USA	Boston	USA	United States
-CAN	NULL	NULL	NULL	NULL
-SELECT t1.alpha3 FROM t1 LEFT JOIN ( t2 LEFT JOIN t3 ON t2.t3_code  = t3.code ) ON t1.alpha3 = t3.code;
-alpha3
-USA
-USA
-CAN
-DROP TABLE t1, t2, t3;
-SET optimizer_switch=@save_optimizer_switch;
-#
-# MDEV-7893: table_elimination works wrong with on computed expression and compound unique key
-#  (just a testcase)
-CREATE TABLE t1 (
-PostID int(10) unsigned NOT NULL
-) DEFAULT CHARSET=utf8;
-INSERT INTO t1 (PostID) VALUES (1), (2);
-CREATE TABLE t2 (
-VoteID int(10) unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
-EntityID int(10) unsigned NOT NULL,
-UserID int(10) unsigned NOT NULL,
-UNIQUE KEY EntityID (EntityID,UserID)
-) DEFAULT CHARSET=utf8;
-INSERT INTO t2 (EntityID, UserID) VALUES (1,  30), (2, 30);
-SELECT t1.*, T.Voted as Voted
-FROM 
-t1 LEFT JOIN (
-SELECT 1 AS Voted, EntityID 
-FROM t2 
-WHERE t2.UserID = '20' ) AS T 
-ON T.EntityID = t1.PostID
-WHERE t1.PostID='1'
-LIMIT 1;
-PostID	Voted
-1	NULL
-DROP TABLE t1,t2;