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

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
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
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
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
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
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
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
set engine_condition_pushdown = on;
explain
select auto from t1 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' 
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 
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' 
order by auto;
auto
1
explain
select auto from t1 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 or real_float > 2.0) and 
(real_double < 1.0 or real_double > 2.0) and
(real_decimal < 1.0 or 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' 
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 
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 or real_float > 2.0) and 
(real_double < 1.0 or real_double > 2.0) and
(real_decimal < 1.0 or 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' 
order by auto;
auto
2
3
4
explain
select auto from t1 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 > 1.1 and 
real_double > 1.1 and 
real_decimal > 1.1 and 
utiny > 1 and 
ushort > 1 and 
umedium > 1 and 
ulong > 1 and 
ulonglong > 1 and
/* bits > b'001' and */
(options = 'two' or options = 'three' or options = 'four') and
(flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') 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'
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 
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 > 1.1 and 
real_double > 1.1 and 
real_decimal > 1.1 and 
utiny > 1 and 
ushort > 1 and 
umedium > 1 and 
ulong > 1 and 
ulonglong > 1 and
/* bits > b'001' and */
(options = 'two' or options = 'three' or options = 'four') and
(flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') 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'
order by auto;
auto
2
3
4
explain
select auto from t1 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_double >= 1.0 and 
real_decimal >= 1.0 and 
utiny >= 1 and 
ushort >= 1 and 
umedium >= 1 and 
ulong >= 1 and 
ulonglong >= 1 and 
/* bits >= b'001' and */
(options = 'one' or options = 'two' or options = 'three' or options = 'four') and
(flags = 'one' or flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') 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' 
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 
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_double >= 1.0 and 
real_decimal >= 1.0 and 
utiny >= 1 and 
ushort >= 1 and 
umedium >= 1 and 
ulong >= 1 and 
ulonglong >= 1 and 
/* bits >= b'001' and */
(options = 'one' or options = 'two' or options = 'three' or options = 'four') and
(flags = 'one' or flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') 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' 
order by auto;
auto
1
2
3
4
explain
select auto from t1 where 
string < "dddd" and 
vstring < "dddd" and 
bin < 0xDDDD and 
vbin < 0xDDDD and
tiny > -4 and 
short > -4 and 
medium > -4 and 
long_int > -4 and 
longlong > -4 and 
real_float < 4.4 and 
real_double < 4.4 and
real_decimal < 4.4 and
utiny < 4 and 
ushort < 4 and 
umedium < 4 and 
ulong < 4 and 
ulonglong < 4 and 
/* bits < b'100' and */
(options = 'one' or options = 'two' or options = 'three') and
(flags = 'one' or flags = 'one,two' or flags = 'one,two,three') and
date_field < '1904-01-01' and
year_field < '1904' and
time_field < '04:04:04' and 
date_time < '1904-04-04 04:04:04' 
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 
string < "dddd" and 
vstring < "dddd" and 
bin < 0xDDDD and 
vbin < 0xDDDD and
tiny > -4 and 
short > -4 and 
medium > -4 and 
long_int > -4 and 
longlong > -4 and 
real_float < 4.4 and 
real_double < 4.4 and
real_decimal < 4.4 and
utiny < 4 and 
ushort < 4 and 
umedium < 4 and 
ulong < 4 and 
ulonglong < 4 and 
/* bits < b'100' and */
(options = 'one' or options = 'two' or options = 'three') and
(flags = 'one' or flags = 'one,two' or flags = 'one,two,three') and
date_field < '1904-01-01' and
year_field < '1904' and
time_field < '04:04:04' and 
date_time < '1904-04-04 04:04:04' 
order by auto;
auto
1
2
3
explain
select auto from t1 where 
string <= "dddd" and 
vstring <= "dddd" and 
bin <= 0xDDDD and 
vbin <= 0xDDDD and
tiny >= -4 and 
short >= -4 and 
medium >= -4 and 
long_int >= -4 and 
longlong >= -4 and 
real_float <= 4.5 and 
real_double <= 4.5 and 
real_decimal <= 4.5 and 
utiny <= 4 - 1 + 1 and /* Checking function composition */
ushort <= 4 and 
umedium <= 4 and 
ulong <= 4 and 
ulonglong <= 4 and 
/* bits <= b'100' and */
(options = 'one' or options = 'two' or options = 'three' or options = 'four') and 
(flags = 'one' or flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') and
date_field <= '1904-04-04' and
year_field <= '1904' and
time_field <= '04:04:04' and 
date_time <= '1904-04-04 04:04:04' 
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 
string <= "dddd" and 
vstring <= "dddd" and 
bin <= 0xDDDD and 
vbin <= 0xDDDD and
tiny >= -4 and 
short >= -4 and 
medium >= -4 and 
long_int >= -4 and 
longlong >= -4 and 
real_float <= 4.5 and 
real_double <= 4.5 and 
real_decimal <= 4.5 and 
utiny <= 4 - 1 + 1 and /* Checking function composition */
ushort <= 4 and 
umedium <= 4 and 
ulong <= 4 and 
ulonglong <= 4 and 
/* bits <= b'100' and */
(options = 'one' or options = 'two' or options = 'three' or options = 'four') and 
(flags = 'one' or flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') and
date_field <= '1904-04-04' and
year_field <= '1904' and
time_field <= '04:04:04' and 
date_time <= '1904-04-04 04:04:04' 
order by auto;
auto
1
2
3
4
create index medium_index on t1(medium);
explain
select auto from t1 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' 
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 
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