Commit 9f4c18f0 authored by unknown's avatar unknown
Browse files

WL#2353 EXPLAIN support for condition pushdown

parent 87b40f20

mysql-test/r/ndb_condition_pushdown.result

+398 −8
Original line number Diff line number Diff line
@@ -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;

mysql-test/t/ndb_condition_pushdown.test

+371 −0

File changed.

Preview size limit exceeded, changes collapsed.

sql/sql_select.cc

+15 −1
Original line number Diff line number Diff line
@@ -13008,8 +13008,22 @@ static void select_describe(JOIN *join, bool need_tmp_table, bool need_order, 
            extra.append(')');

	  }

	  else if (tab->select->cond)

          {

            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)

        {

          if (quick_type == QUICK_SELECT_I::QS_TYPE_GROUP_MIN_MAX)