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WL#2353 EXPLAIN support for condition pushdown

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This commit is contained in:
mskold@mysql.com
2005-03-14 15:26:10 +01:00
parent ca3391c7e7
commit 7092c7dec2
3 changed files with 784 additions and 9 deletions
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406
mysql-test/r/ndb_condition_pushdown.result
View File

@@ -278,6 +278,35 @@ pk1 attr1 attr2 attr3 attr4 pk1 attr1 attr2 attr3 attr4
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
@@ -306,6 +335,35 @@ 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
@@ -336,6 +394,35 @@ 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
@@ -366,6 +453,35 @@ 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
@@ -397,6 +513,35 @@ auto
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
@@ -427,6 +572,35 @@ 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
@@ -459,6 +633,35 @@ auto
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
@@ -487,6 +690,35 @@ 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 range medium_index medium_index 3 NULL 20 Using where with pushed condition; Using filesort
select auto from t1 where
string != "aaaa" and
vstring != "aaaa" and
@@ -517,6 +749,35 @@ 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 range medium_index medium_index 3 NULL 10 Using where with pushed condition; Using filesort
select auto from t1 where
string > "aaaa" and
vstring > "aaaa" and
@@ -547,6 +808,35 @@ 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 range medium_index medium_index 3 NULL 10 Using where with pushed condition; Using filesort
select auto from t1 where
string >= "aaaa" and
vstring >= "aaaa" and
@@ -578,6 +868,35 @@ auto
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 range medium_index medium_index 3 NULL 10 Using where with pushed condition; Using filesort
select auto from t1 where
string < "dddd" and
vstring < "dddd" and
@@ -608,6 +927,35 @@ 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 range medium_index medium_index 3 NULL 10 Using where with pushed condition; Using filesort
select auto from t1 where
string <= "dddd" and
vstring <= "dddd" and
@@ -639,6 +987,15 @@ auto
2
3
4
explain
select auto from t1 where
string like "b%" and
vstring like "b%" and
bin like concat(0xBB, '%') and
vbin like concat(0xBB, '%')
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 like "b%" and
vstring like "b%" and
@@ -647,6 +1004,15 @@ vbin like concat(0xBB, '%')
order by auto;
auto
2
explain
select auto from t1 where
string not like "b%" and
vstring not like "b%" and
bin not like concat(0xBB, '%') and
vbin not like concat(0xBB, '%')
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 not like "b%" and
vstring not like "b%" and
@@ -657,41 +1023,65 @@ auto
1
3
4
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;
auto
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; Using filesort
explain
select * from t2 where (attr1 < 2) = (attr2 < 2) order by pk1;
pk1 attr1 attr2 attr3
0 0 0 a
1 1 1 b
3 3 3 d
4 4 4 e
5 5 5 f
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
set engine_condition_pushdown = @old_ecpd;
DROP TABLE t1,t2,t3,t4;

371
mysql-test/t/ndb_condition_pushdown.test
View File

@@ -259,6 +259,7 @@ select * from t3,t4 where t4.attr1 > 1 and t4.attr2 = t3.attr2 and t4.attr3 < 5
set engine_condition_pushdown = on;
# Test all types and compare operators
explain
select auto from t1 where
string = "aaaa" and
vstring = "aaaa" and
@@ -286,6 +287,61 @@ time_field = '01:01:01' and
date_time = '1901-01-01 01:01:01'
order by auto;
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;
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;
select auto from t1 where
string != "aaaa" and
vstring != "aaaa" and
@@ -313,6 +369,7 @@ time_field != '01:01:01' and
date_time != '1901-01-01 01:01:01'
order by auto;
explain
select auto from t1 where
string > "aaaa" and
vstring > "aaaa" and
@@ -340,6 +397,61 @@ time_field > '01:01:01' and
date_time > '1901-01-01 01:01:01'
order by auto;
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;
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;
select auto from t1 where
string >= "aaaa" and
vstring >= "aaaa" and
@@ -367,6 +479,7 @@ time_field >= '01:01:01' and
date_time >= '1901-01-01 01:01:01'
order by auto;
explain
select auto from t1 where
string < "dddd" and
vstring < "dddd" and
@@ -394,6 +507,61 @@ time_field < '04:04:04' and
date_time < '1904-04-04 04:04:04'
order by auto;
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;
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;
select auto from t1 where
string <= "dddd" and
vstring <= "dddd" and
@@ -425,6 +593,7 @@ order by auto;
create index medium_index on t1(medium);
# Test all types and compare operators
explain
select auto from t1 where
string = "aaaa" and
vstring = "aaaa" and
@@ -452,6 +621,61 @@ time_field = '01:01:01' and
date_time = '1901-01-01 01:01:01'
order by auto;
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;
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;
select auto from t1 where
string != "aaaa" and
vstring != "aaaa" and
@@ -479,6 +703,7 @@ time_field != '01:01:01' and
date_time != '1901-01-01 01:01:01'
order by auto;
explain
select auto from t1 where
string > "aaaa" and
vstring > "aaaa" and
@@ -506,6 +731,61 @@ time_field > '01:01:01' and
date_time > '1901-01-01 01:01:01'
order by auto;
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;
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;
select auto from t1 where
string >= "aaaa" and
vstring >= "aaaa" and
@@ -533,6 +813,7 @@ time_field >= '01:01:01' and
date_time >= '1901-01-01 01:01:01'
order by auto;
explain
select auto from t1 where
string < "dddd" and
vstring < "dddd" and
@@ -560,6 +841,61 @@ time_field < '04:04:04' and
date_time < '1904-04-04 04:04:04'
order by auto;
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;
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;
select auto from t1 where
string <= "dddd" and
vstring <= "dddd" and
@@ -588,6 +924,7 @@ date_time <= '1904-04-04 04:04:04'
order by auto;
# Test LIKE/NOT LIKE
explain
select auto from t1 where
string like "b%" and
vstring like "b%" and
@@ -595,6 +932,21 @@ bin like concat(0xBB, '%') and
vbin like concat(0xBB, '%')
order by auto;
select auto from t1 where
string like "b%" and
vstring like "b%" and
bin like concat(0xBB, '%') and
vbin like concat(0xBB, '%')
order by auto;
explain
select auto from t1 where
string not like "b%" and
vstring not like "b%" and
bin not like concat(0xBB, '%') and
vbin not like concat(0xBB, '%')
order by auto;
select auto from t1 where
string not like "b%" and
vstring not like "b%" and
@@ -603,15 +955,34 @@ vbin not like concat(0xBB, '%')
order by auto;
# Various tests
explain
select * from t2 where attr3 is null or attr1 > 2 and pk1= 3 order by pk1;
select * from t2 where attr3 is null or attr1 > 2 and pk1= 3 order by pk1;
explain
select * from t2 where attr3 is not null and attr1 > 2 order by pk1;
select * from t2 where attr3 is not null and attr1 > 2 order by pk1;
explain
select * from t3 where attr2 > 9223372036854775803 and attr3 != 3 order by pk1;
select * from t3 where attr2 > 9223372036854775803 and attr3 != 3 order by pk1;
explain
select * from t2,t3 where t2.attr1 < 1 and t2.attr2 = t3.attr2 and t3.attr1 < 5 order by t2.pk1;
select * from t2,t3 where t2.attr1 < 1 and t2.attr2 = t3.attr2 and t3.attr1 < 5 order by t2.pk1;
explain
select * from t4 where attr1 < 5 and attr2 > 9223372036854775803 and attr3 != 3 order by t4.pk1;
select * from t4 where attr1 < 5 and attr2 > 9223372036854775803 and attr3 != 3 order by t4.pk1;
explain
select * from t3,t4 where t4.attr1 > 1 and t4.attr2 = t3.attr2 and t4.attr3 < 5 order by t4.pk1;
select * from t3,t4 where t4.attr1 > 1 and t4.attr2 = t3.attr2 and t4.attr3 < 5 order by t4.pk1;
# Some tests that are currently not supported and should not push condition
explain
select auto from t1 where string = "aaaa" collate latin1_general_ci order by auto;
explain
select * from t2 where (attr1 < 2) = (attr2 < 2) order by pk1;
set engine_condition_pushdown = @old_ecpd;

16
sql/sql_select.cc
View File

@@ -13008,7 +13008,21 @@ static void select_describe(JOIN *join, bool need_tmp_table, bool need_order,
extra.append(')');
}
else if (tab->select->cond)
extra.append("; Using where");
{
const COND *pushed_cond= tab->table->file->pushed_cond;
if (thd->variables.engine_condition_pushdown && pushed_cond)
{
extra.append("; Using where with pushed condition");
if (thd->lex->describe & DESCRIBE_EXTENDED)
{
extra.append(": ");
((COND *)pushed_cond)->print(&extra);
}
}
else
extra.append("; Using where");
}
}
if (key_read)
{