ndb_condition_pushdown.result

这是linux下运行的mysql软件包,可用于linux 下安装 php + mysql + apach 的网络配置

(tiny not between -3 and -1) and 
(short not between -3 and -1) and 
(medium not between -3 and -1) and 
(long_int not between -3 and -1) and 
(longlong not between -3 and -1) and 
(utiny not between 1 and 3) and 
(ushort not between 1 and 3) and 
(umedium not between 1 and 3) and 
(ulong not between 1 and 3) and 
(ulonglong not between 1 and 3) and 
/* (bits not between b'001' and b'011') and */
(options not between 'one' and 'three') and 
(flags not between 'one' and 'one,two,three') and 
(date_field not between '1901-01-01' and '1903-03-03') and
(year_field not between '1901' and '1903') and
(time_field not between '01:01:01' and '03:03:03') and 
(date_time not between '1901-01-01 01:01:01' and '1903-03-03 03:03:03') 
order by auto;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	range	medium_index	medium_index	3	NULL	20	Using where with pushed condition; Using filesort
select auto from t1 where
(string not between "aaaa" and "cccc") and 
(vstring not between "aaaa" and "cccc") and 
(bin not between 0xAAAA and 0xCCCC) and 
(vbin not between 0xAAAA and 0xCCCC) and 
(tiny not between -3 and -1) and 
(short not between -3 and -1) and 
(medium not between -3 and -1) and 
(long_int not between -3 and -1) and 
(longlong not between -3 and -1) and 
(utiny not between 1 and 3) and 
(ushort not between 1 and 3) and 
(umedium not between 1 and 3) and 
(ulong not between 1 and 3) and 
(ulonglong not between 1 and 3) and 
/* (bits not between b'001' and b'011') and */
(options not between 'one' and 'three') and 
(flags not between 'one' and 'one,two,three') and 
(date_field not between '1901-01-01' and '1903-03-03') and
(year_field not between '1901' and '1903') and
(time_field not between '01:01:01' and '03:03:03') and 
(date_time not between '1901-01-01 01:01:01' and '1903-03-03 03:03:03') 
order by auto;
auto
4
explain
select auto from t1 where
("aaaa" not between string and string) and 
("aaaa" not between vstring and vstring) and 
(0xAAAA not between bin and bin) and 
(0xAAAA not between vbin and vbin) and 
(-1 not between tiny and tiny) and 
(-1 not between short and short) and 
(-1 not between medium and medium) and 
(-1 not between long_int and long_int) and 
(-1 not between longlong and longlong) and 
(1 not between utiny and utiny) and 
(1 not between ushort and ushort) and 
(1 not between umedium and umedium) and 
(1 not between ulong and ulong) and 
(1 not between ulonglong and ulonglong) and 
/* (b'001' not between bits and bits) and */
('one' not between options and options) and 
('one' not between flags and flags) and 
('1901-01-01' not between date_field and date_field) and
('1901' not between year_field and year_field) and
('01:01:01' not between time_field and time_field) and 
('1901-01-01 01:01:01' not between date_time and date_time) 
order by auto;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using where with pushed condition; Using filesort
select auto from t1 where
("aaaa" not between string and string) and 
("aaaa" not between vstring and vstring) and 
(0xAAAA not between bin and bin) and 
(0xAAAA not between vbin and vbin) and 
(-1 not between tiny and tiny) and 
(-1 not between short and short) and 
(-1 not between medium and medium) and 
(-1 not between long_int and long_int) and 
(-1 not between longlong and longlong) and 
(1 not between utiny and utiny) and 
(1 not between ushort and ushort) and 
(1 not between umedium and umedium) and 
(1 not between ulong and ulong) and 
(1 not between ulonglong and ulonglong) and 
/* (b'001' not between bits and bits) and */
('one' not between options and options) and 
('one' not between flags and flags) and 
('1901-01-01' not between date_field and date_field) and
('1901' not between year_field and year_field) and
('01:01:01' not between time_field and time_field) and 
('1901-01-01 01:01:01' not between date_time and date_time) 
order by auto;
auto
2
3
4
explain
select auto from t1 where
string in("aaaa","cccc") and 
vstring in("aaaa","cccc") and 
bin in(0xAAAA,0xCCCC) and 
vbin in(0xAAAA,0xCCCC) and 
tiny in(-1,-3) and 
short in(-1,-3) and 
medium in(-1,-3) and 
long_int in(-1,-3) and 
longlong in(-1,-3) and 
utiny in(1,3) and 
ushort in(1,3) and 
umedium in(1,3) and 
ulong in(1,3) and 
ulonglong in(1,3) and 
/* bits in(b'001',b'011') and */
options in('one','three') and 
flags in('one','one,two,three') and 
date_field in('1901-01-01','1903-03-03') and
year_field in('1901','1903') and
time_field in('01:01:01','03:03:03') and 
date_time in('1901-01-01 01:01:01','1903-03-03 03:03:03') 
order by auto;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	range	medium_index	medium_index	3	NULL	20	Using where with pushed condition; Using filesort
select auto from t1 where
string in("aaaa","cccc") and 
vstring in("aaaa","cccc") and 
bin in(0xAAAA,0xCCCC) and 
vbin in(0xAAAA,0xCCCC) and 
tiny in(-1,-3) and 
short in(-1,-3) and 
medium in(-1,-3) and 
long_int in(-1,-3) and 
longlong in(-1,-3) and 
utiny in(1,3) and 
ushort in(1,3) and 
umedium in(1,3) and 
ulong in(1,3) and 
ulonglong in(1,3) and 
/* bits in(b'001',b'011') and */
options in('one','three') and 
flags in('one','one,two,three') and 
date_field in('1901-01-01','1903-03-03') and
year_field in('1901','1903') and
time_field in('01:01:01','03:03:03') and 
date_time in('1901-01-01 01:01:01','1903-03-03 03:03:03') 
order by auto;
auto
1
3
explain
select auto from t1 where
"aaaa" in(string) and 
"aaaa" in(vstring) and 
0xAAAA in(bin) and 
0xAAAA in(vbin) and 
(-1 in(tiny)) and
(-1 in (short)) and
(-1 in(medium)) and
(-1 in(long_int)) and
(-1 in(longlong)) and
1 in(utiny) and 
1 in(ushort) and 
1 in(umedium) and 
1 in(ulong) and 
1 in(ulonglong) and 
/* b'001' in(bits) and */
'one' in(options) and 
'one' in(flags) and 
'1901-01-01' in(date_field) and
'1901' in(year_field) and
'01:01:01' in(time_field) and 
'1901-01-01 01:01:01' in(date_time) 
order by auto;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ref	medium_index	medium_index	3	const	10	Using where with pushed condition; Using filesort
select auto from t1 where
"aaaa" in(string) and 
"aaaa" in(vstring) and 
0xAAAA in(bin) and 
0xAAAA in(vbin) and 
(-1 in(tiny)) and
(-1 in (short)) and
(-1 in(medium)) and
(-1 in(long_int)) and
(-1 in(longlong)) and
1 in(utiny) and 
1 in(ushort) and 
1 in(umedium) and 
1 in(ulong) and 
1 in(ulonglong) and 
/* b'001' in(bits) and */
'one' in(options) and 
'one' in(flags) and 
'1901-01-01' in(date_field) and
'1901' in(year_field) and
'01:01:01' in(time_field) and 
'1901-01-01 01:01:01' in(date_time) 
order by auto;
auto
1
explain
select auto from t1 where
string not in("aaaa","cccc") and 
vstring not in("aaaa","cccc") and 
bin not in(0xAAAA,0xCCCC) and 
vbin not in(0xAAAA,0xCCCC) and 
tiny not in(-1,-3) and 
short not in(-1,-3) and 
medium not in(-1,-3) and 
long_int not in(-1,-3) and 
longlong not in(-1,-3) and 
utiny not in(1,3) and 
ushort not in(1,3) and 
umedium not in(1,3) and 
ulong not in(1,3) and 
ulonglong not in(1,3) and 
/* bits not in(b'001',b'011') and */
options not in('one','three') and 
flags not in('one','one,two,three') and 
date_field not in('1901-01-01','1903-03-03') and
year_field not in('1901','1903') and
time_field not in('01:01:01','03:03:03') and 
date_time not in('1901-01-01 01:01:01','1903-03-03 03:03:03') 
order by auto;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	range	medium_index	medium_index	3	NULL	30	Using where with pushed condition; Using filesort
select auto from t1 where
string not in("aaaa","cccc") and 
vstring not in("aaaa","cccc") and 
bin not in(0xAAAA,0xCCCC) and 
vbin not in(0xAAAA,0xCCCC) and 
tiny not in(-1,-3) and 
short not in(-1,-3) and 
medium not in(-1,-3) and 
long_int not in(-1,-3) and 
longlong not in(-1,-3) and 
utiny not in(1,3) and 
ushort not in(1,3) and 
umedium not in(1,3) and 
ulong not in(1,3) and 
ulonglong not in(1,3) and 
/* bits not in(b'001',b'011') and */
options not in('one','three') and 
flags not in('one','one,two,three') and 
date_field not in('1901-01-01','1903-03-03') and
year_field not in('1901','1903') and
time_field not in('01:01:01','03:03:03') and 
date_time not in('1901-01-01 01:01:01','1903-03-03 03:03:03') 
order by auto;
auto
2
4
explain
select auto from t1 where
"aaaa" not in(string) and 
"aaaa" not in(vstring) and 
0xAAAA not in(bin) and 
0xAAAA not in(vbin) and 
(-1 not in(tiny)) and
(-1 not in(short)) and
(-1 not in(medium)) and
(-1 not in(long_int)) and
(-1 not in(longlong)) and
1 not in(utiny) and 
1 not in(ushort) and 
1 not in(umedium) and 
1 not in(ulong) and 
1 not in(ulonglong) and 
/* b'001' not in(bits) and */
'one' not in(options) and 
'one' not in(flags) and 
'1901-01-01' not in(date_field) and
'1901' not in(year_field) and
'01:01:01' not in(time_field) and 
'1901-01-01 01:01:01' not in(date_time) 
order by auto;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using where with pushed condition; Using filesort
select auto from t1 where
"aaaa" not in(string) and 
"aaaa" not in(vstring) and 
0xAAAA not in(bin) and 
0xAAAA not in(vbin) and 
(-1 not in(tiny)) and
(-1 not in(short)) and
(-1 not in(medium)) and
(-1 not in(long_int)) and
(-1 not in(longlong)) and
1 not in(utiny) and 
1 not in(ushort) and 
1 not in(umedium) and 
1 not in(ulong) and 
1 not in(ulonglong) and 
/* b'001' not in(bits) and */
'one' not in(options) and 
'one' not in(flags) and 
'1901-01-01' not in(date_field) and
'1901' not in(year_field) and
'01:01:01' not in(time_field) and 
'1901-01-01 01:01:01' not in(date_time) 
order by auto;
auto
2
3
4
update t1
set medium = 17
where 
string = "aaaa" and 
vstring = "aaaa" and 
bin = 0xAAAA and 
vbin = 0xAAAA and
tiny = -1 and 
short = -1 and 
medium = -1 and 
long_int = -1 and 
longlong = -1 and 
real_float > 1.0 and real_float < 2.0 and 
real_double > 1.0 and real_double < 2.0 and
real_decimal > 1.0 and real_decimal < 2.0 and
utiny = 1 and 
ushort = 1 and 
umedium = 1 and 
ulong = 1 and 
ulonglong = 1 and 
/* bits = b'001' and */
options = 'one' and 
flags = 'one' and 
date_field = '1901-01-01' and
year_field = '1901' and
time_field = '01:01:01' and 
date_time = '1901-01-01 01:01:01';
delete from t1 
where
string = "aaaa" and 
vstring = "aaaa" and 
bin = 0xAAAA and 
vbin = 0xAAAA and
tiny = -1 and 
short = -1 and 
medium = 17 and 
long_int = -1 and 
longlong = -1 and 
real_float > 1.0 and real_float < 2.0 and 
real_double > 1.0 and real_double < 2.0 and
real_decimal > 1.0 and real_decimal < 2.0 and
utiny = 1 and 
ushort = 1 and 
umedium = 1 and 
ulong = 1 and 
ulonglong = 1 and 
/* bits = b'001' and */
options = 'one' and 
flags = 'one' and 
date_field = '1901-01-01' and
year_field = '1901' and
time_field = '01:01:01' and 
date_time = '1901-01-01 01:01:01';
select count(*) from t1;
count(*)
3
explain 
select * from t2 where attr3 is null or attr1 > 2 and pk1= 3 order by pk1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	ALL	PRIMARY	NULL	NULL	NULL	6	Using where with pushed condition; Using filesort
select * from t2 where attr3 is null or attr1 > 2 and pk1= 3 order by pk1;
pk1	attr1	attr2	attr3
2	2	NULL	NULL
3	3	3	d
explain
select * from t2 where attr3 is not null and attr1 > 2 order by pk1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	6	Using where with pushed condition; Using filesort
select * from t2 where attr3 is not null and attr1 > 2 order by pk1;
pk1	attr1	attr2	attr3
3	3	3	d
4	4	4	e
5	5	5	f
explain
select * from t3 where attr2 >  9223372036854775803 and attr3 != 3 order by pk1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	6	Using where with pushed condition; Using filesort
select * from t3 where attr2 >  9223372036854775803 and attr3 != 3 order by pk1;
pk1	attr1	attr2	attr3	attr4
2	2	9223372036854775804	2	c
4	4	9223372036854775806	4	e
5	5	9223372036854775807	5	f
explain
select * from t2,t3 where t2.attr1 < 1 and t2.attr2 = t3.attr2 and t3.attr1 < 5 order by t2.pk1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	6	Using where with pushed condition; Using temporary; Using filesort
1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	6	Using where with pushed condition
select * from t2,t3 where t2.attr1 < 1 and t2.attr2 = t3.attr2 and t3.attr1 < 5 order by t2.pk1;
pk1	attr1	attr2	attr3	pk1	attr1	attr2	attr3	attr4
0	0	0	a	0	0	0	0	a
explain
select * from t4 where attr1 < 5 and attr2 > 9223372036854775803 and attr3 != 3 order by t4.pk1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t4	range	attr1	attr1	4	NULL	10	Using where with pushed condition; Using filesort
select * from t4 where attr1 < 5 and attr2 > 9223372036854775803 and attr3 != 3 order by t4.pk1;
pk1	attr1	attr2	attr3	attr4
2	2	9223372036854775804	2	c
4	4	9223372036854775806	4	e
explain
select * from t3,t4 where t4.attr1 > 1 and t4.attr2 = t3.attr2 and t4.attr3 < 5 order by t4.pk1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t4	range	attr1	attr1	4	NULL	10	Using where with pushed condition; Using temporary; Using filesort
1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	6	Using where
select * from t3,t4 where t4.attr1 > 1 and t4.attr2 = t3.attr2 and t4.attr3 < 5 order by t4.pk1;
pk1	attr1	attr2	attr3	attr4	pk1	attr1	attr2	attr3	attr4
2	2	9223372036854775804	2	c	2	2	9223372036854775804	2	c
3	3	9223372036854775805	3	d	3	3	9223372036854775805	3	d
4	4	9223372036854775806	4	e	4	4	9223372036854775806	4	e
explain
select auto from t1 where string = "aaaa" collate latin1_general_ci order by auto;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	Using where; Using filesort
explain
select * from t2 where (attr1 < 2) = (attr2 < 2) order by pk1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	6	Using where; Using filesort
explain
select * from t3 left join t4 on t4.attr2 = t3.attr2 where t4.attr1 > 1 and t4.attr3 < 5 or t4.attr1 is null order by t4.pk1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	6	Using temporary; Using filesort
1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	6	Using where
create table t5 (a int primary key auto_increment, b tinytext not null) 
engine = ndb;
insert into t5 (b) values ('jonas'), ('jensing'), ('johan');
set engine_condition_pushdown = off;
select * from t5 where b like '%jo%' order by a;
a	b
1	jonas
3	johan
set engine_condition_pushdown = on;
explain select * from t5 where b like '%jo%';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t5	ALL	NULL	NULL	NULL	NULL	3	Using where
select * from t5 where b like '%jo%' order by a;
a	b
1	jonas
3	johan
set engine_condition_pushdown = @old_ecpd;
DROP TABLE t1,t2,t3,t4,t5;