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Merge

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This commit is contained in:
Igor Babaev
2010-12-09 21:55:14 -08:00
parent f960f2334d 3e946fa7ad
commit c4080280df
33 changed files with 4032 additions and 488 deletions
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1052
mysql-test/r/index_intersect.result Normal file
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1051
mysql-test/r/index_intersect_innodb.result Normal file
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3
mysql-test/r/index_merge_innodb.result
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@@ -1,3 +1,5 @@
set @optimizer_switch_save= @@optimizer_switch;
set optimizer_switch='index_merge_sort_intersection=off';
#---------------- Index merge test 2 -------------------------------------------
SET SESSION STORAGE_ENGINE = InnoDB;
drop table if exists t1,t2;
@@ -709,3 +711,4 @@ WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
COUNT(*)
6145
DROP TABLE t1;
set optimizer_switch= @optimizer_switch_save;

31
mysql-test/r/index_merge_myisam.result
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@@ -1,3 +1,5 @@
set @optimizer_switch_save= @@optimizer_switch;
set optimizer_switch='index_merge_sort_intersection=off';
#---------------- Index merge test 1 -------------------------------------------
SET SESSION STORAGE_ENGINE = MyISAM;
drop table if exists t0, t1, t2, t3, t4;
@@ -205,10 +207,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index_merge i1_3,i2_3 i1_3,i2_3 4,4 NULL 2 Using sort_union(i1_3,i2_3); Using where
explain select key3 from t2 where key1 <100 or key2 < 100;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index i1_3,i2_3 i321 12 NULL 1024 Using where; Using index
1 SIMPLE t2 index_merge i1_3,i2_3 i1_3,i2_3 4,4 NULL 188 Using sort_union(i1_3,i2_3); Using where
explain select key7 from t2 where key1 <100 or key2 < 100;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL i1_3,i2_3 NULL NULL NULL 1024 Using where
1 SIMPLE t2 index_merge i1_3,i2_3 i1_3,i2_3 4,4 NULL 188 Using sort_union(i1_3,i2_3); Using where
create table t4 (
key1a int not null,
key1b int not null,
@@ -569,9 +571,7 @@ INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
SET SESSION sort_buffer_size=1;
Warnings:
Warning 1292 Truncated incorrect sort_buffer_size value: '1'
SET SESSION sort_buffer_size=1024*8;
EXPLAIN
SELECT * FROM t1 FORCE INDEX(a,b) WHERE a LIKE 'a%' OR b LIKE 'b%'
ORDER BY a,b;
@@ -1494,19 +1494,19 @@ DROP TABLE t1,t2;
#
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off
set optimizer_switch='index_merge=off,index_merge_union=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off
set optimizer_switch='index_merge_union=on';
select @@optimizer_switch;
@@optimizer_switch
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off
set optimizer_switch='default,index_merge_sort_union=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=on
set optimizer_switch=4;
ERROR 42000: Variable 'optimizer_switch' can't be set to the value of '4'
set optimizer_switch=NULL;
@@ -1533,21 +1533,21 @@ set optimizer_switch=default;
set optimizer_switch='index_merge=off,index_merge_union=off,default';
select @@optimizer_switch;
@@optimizer_switch
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=on
set optimizer_switch=default;
select @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=on
set @@global.optimizer_switch=default;
select @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=on
#
# Check index_merge's @@optimizer_switch flags
#
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=on
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (a int, b int, c int, filler char(100),
@@ -1624,7 +1624,7 @@ explain select * from t1 where a=10 and b=10;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a,b a 5 const 49 Using where
No intersect if it is disabled:
set optimizer_switch='default,index_merge_intersection=off';
set optimizer_switch='default,index_merge_sort_intersection=off,index_merge_intersection=off';
explain select * from t1 where a=10 and b=10;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a,b a 5 const 49 Using where
@@ -1657,5 +1657,6 @@ id select_type table type possible_keys key key_len ref rows Extra
set optimizer_switch=default;
show variables like 'optimizer_switch';
Variable_name Value
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=on
drop table t0, t1;
set optimizer_switch= @optimizer_switch_save;

4
mysql-test/r/order_by.result
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@@ -1421,9 +1421,9 @@ DROP TABLE t1;
#
create table t1(a int, b tinytext);
insert into t1 values (1,2),(3,2);
set session sort_buffer_size= 30000;
set session sort_buffer_size= 1000;
Warnings:
Warning 1292 Truncated incorrect sort_buffer_size value: '30000'
Warning 1292 Truncated incorrect sort_buffer_size value: '1000'
set session max_sort_length= 2180;
select * from t1 order by b;
ERROR HY001: Out of sort memory; increase server sort buffer size

163
mysql-test/r/range_vs_index_merge.result
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@@ -38,6 +38,7 @@ SELECT COUNT(*) FROM CountryLanguage;
COUNT(*)
984
CREATE INDEX Name ON City(Name);
set session optimizer_switch='index_merge_sort_intersection=off';
EXPLAIN
SELECT * FROM City
WHERE (Population >= 100000 OR Name LIKE 'P%' OR Population < 100000);
@@ -71,9 +72,9 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 459 Using where
EXPLAIN
SELECT * FROM City
WHERE (Population > 101000 AND Population < 103000);
WHERE (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 81 Using where
1 SIMPLE City range Population Population 4 NULL 39 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'));
@@ -88,9 +89,9 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN
SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 103000);
AND (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country,Name Population 4 NULL 81 Using where
1 SIMPLE City range Population,Country,Name Population 4 NULL 39 Using where
SELECT * FROM City USE INDEX ()
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 115000);
@@ -153,24 +154,20 @@ ID Name Country Population
4032 Cambridge USA 101355
SELECT * FROM City USE INDEX ()
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 103000);
AND (Population > 101000 AND Population < 102000);
ID Name Country Population
637 Mit Ghamr EGY 101801
707 Marbella ESP 101144
3411 Ceyhan TUR 102412
3792 Tartu EST 101246
4027 Cape Coral USA 102286
4032 Cambridge USA 101355
SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 103000);
AND (Population > 101000 AND Population < 102000);
ID Name Country Population
707 Marbella ESP 101144
3792 Tartu EST 101246
4032 Cambridge USA 101355
637 Mit Ghamr EGY 101801
4027 Cape Coral USA 102286
3411 Ceyhan TUR 102412
EXPLAIN
SELECT * FROM City WHERE (Name < 'Ac');
id select_type table type possible_keys key key_len ref rows Extra
@@ -328,9 +325,9 @@ ID Name Country Population
1003 Pemalang IDN 103500
2663 Río Bravo MEX 103901
EXPLAIN
SELECT * FROM City WHERE (ID < 50) OR (ID BETWEEN 100 AND 110);
SELECT * FROM City WHERE (ID < 30) OR (ID BETWEEN 100 AND 150);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 61 Using where
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 81 Using where
EXPLAIN
SELECT * FROM City WHERE (ID < 200) OR (ID BETWEEN 300 AND 600);
id select_type table type possible_keys key key_len ref rows Extra
@@ -353,11 +350,11 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 72 Using where
EXPLAIN
SELECT * FROM City
WHERE ((ID < 50) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
WHERE ((ID < 30) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 100 AND 110) AND
(Name LIKE 'P%' OR (Population > 103000 AND Population < 104000)));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country,Name PRIMARY 4 NULL 61 Using where
1 SIMPLE City range PRIMARY,Population,Country,Name PRIMARY 4 NULL 41 Using where
EXPLAIN
SELECT * FROM City
WHERE ((ID < 800) AND (Name LIKE 'Ha%' OR (Country > 'A' AND Country < 'ARG')))
@@ -373,7 +370,7 @@ OR ((ID BETWEEN 300 AND 600) AND
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City index_merge PRIMARY,Population,Country,Name Name,Country,Population 35,3,4 NULL 128 Using sort_union(Name,Country,Population); Using where
SELECT * FROM City USE INDEX ()
WHERE ((ID < 50) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
WHERE ((ID < 30) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 100 AND 110) AND
(Name LIKE 'P%' OR (Population > 103000 AND Population < 104000)));
ID Name Country Population
@@ -384,13 +381,10 @@ ID Name Country Population
7 Haag NLD 440900
16 Haarlem NLD 148772
25 Haarlemmermeer NLD 110722
31 Heerlen NLD 95052
33 Willemstad ANT 2345
34 Tirana ALB 270000
100 Paraná ARG 207041
102 Posadas ARG 201273
SELECT * FROM City
WHERE ((ID < 50) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
WHERE ((ID < 30) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 100 AND 110) AND
(Name LIKE 'P%' OR (Population > 103000 AND Population < 104000)));
ID Name Country Population
@@ -401,9 +395,6 @@ ID Name Country Population
7 Haag NLD 440900
16 Haarlem NLD 148772
25 Haarlemmermeer NLD 110722
31 Heerlen NLD 95052
33 Willemstad ANT 2345
34 Tirana ALB 270000
100 Paraná ARG 207041
102 Posadas ARG 201273
SELECT * FROM City USE INDEX()
@@ -726,119 +717,55 @@ SELECT * FROM City WHERE Name LIKE 'P%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 135 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 101000 AND Population < 103000);
SELECT * FROM City WHERE (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 81 Using where
1 SIMPLE City range Population Population 4 NULL 39 Using where
EXPLAIN
SELECT * FROM City WHERE Country='USA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation Country 3 const 267 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'Pas%')
WHERE ((Population > 101000 AND Population < 102000) OR Name LIKE 'Pas%')
AND Country='USA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City index_merge Population,Country,Name,CountryPopulation CountryPopulation,Name 7,35 NULL 15 Using sort_union(CountryPopulation,Name); Using where
1 SIMPLE City index_merge Population,Country,Name,CountryPopulation CountryPopulation,Name 7,35 NULL 8 Using sort_union(CountryPopulation,Name); Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'P%')
AND Country='USA';
WHERE ((Population > 101000 AND Population < 1000000) OR Name LIKE 'P%' )
AND Country='USA' AND Name LIKE '%port';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Population,Country,Name,CountryPopulation Country 3 const 267 Using where
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'Pas%')
WHERE ((Population > 101000 AND Population < 102000) OR Name LIKE 'Pas%')
AND Country='USA';
ID Name Country Population
3943 Pasadena USA 141674
3953 Pasadena USA 133936
4023 Gary USA 102746
4024 Berkeley USA 102743
4025 Santa Clara USA 102361
4026 Green Bay USA 102313
4027 Cape Coral USA 102286
4028 Arvada USA 102153
4029 Pueblo USA 102121
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
SELECT * FROM City USE INDEX ()
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'Pas%')
WHERE ((Population > 101000 AND Population < 102000) OR Name LIKE 'Pas%')
AND Country='USA';
ID Name Country Population
3943 Pasadena USA 141674
3953 Pasadena USA 133936
4023 Gary USA 102746
4024 Berkeley USA 102743
4025 Santa Clara USA 102361
4026 Green Bay USA 102313
4027 Cape Coral USA 102286
4028 Arvada USA 102153
4029 Pueblo USA 102121
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'P%')
AND Country='USA';
WHERE ((Population > 101000 AND Population < 1000000) OR Name LIKE 'P%')
AND Country='USA' AND Name LIKE '%port';
ID Name Country Population
3797 Philadelphia USA 1517550
3798 Phoenix USA 1321045
3820 Portland USA 529121
3844 Pittsburgh USA 334563
3870 Plano USA 222030
3912 Providence USA 173618
3930 Pomona USA 149473
3932 Paterson USA 149222
3943 Pasadena USA 141674
3951 Pembroke Pines USA 137427
3953 Pasadena USA 133936
3967 Paradise USA 124682
3986 Palmdale USA 116670
3996 Peoria USA 112936
4007 Peoria USA 108364
4016 Provo USA 105166
4023 Gary USA 102746
4024 Berkeley USA 102743
4025 Santa Clara USA 102361
4026 Green Bay USA 102313
4027 Cape Coral USA 102286
4028 Arvada USA 102153
4029 Pueblo USA 102121
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
4035 Portsmouth USA 100565
3880 Shreveport USA 200145
3946 Bridgeport USA 139529
SELECT * FROM City USE INDEX ()
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'P%')
AND Country='USA';
WHERE ((Population > 101000 AND Population < 1000000) OR Name LIKE 'P%')
AND Country='USA' AND Name LIKE '%port';
ID Name Country Population
3797 Philadelphia USA 1517550
3798 Phoenix USA 1321045
3820 Portland USA 529121
3844 Pittsburgh USA 334563
3870 Plano USA 222030
3912 Providence USA 173618
3930 Pomona USA 149473
3932 Paterson USA 149222
3943 Pasadena USA 141674
3951 Pembroke Pines USA 137427
3953 Pasadena USA 133936
3967 Paradise USA 124682
3986 Palmdale USA 116670
3996 Peoria USA 112936
4007 Peoria USA 108364
4016 Provo USA 105166
4023 Gary USA 102746
4024 Berkeley USA 102743
4025 Santa Clara USA 102361
4026 Green Bay USA 102313
4027 Cape Coral USA 102286
4028 Arvada USA 102153
4029 Pueblo USA 102121
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
4035 Portsmouth USA 100565
3880 Shreveport USA 200145
3946 Bridgeport USA 139529
CREATE INDEX CountryName ON City(Country,Name);
EXPLAIN
SELECT * FROM City WHERE Country='USA';
@@ -900,9 +827,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City index_merge PRIMARY,Population,Country,Name,CountryPopulation,CountryName CountryName,PRIMARY 38,4 NULL 11 Using sort_union(CountryName,PRIMARY); Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 110000) OR
ID BETWEEN 3500 AND 3800) AND Country='USA'
AND (Name BETWEEN 'P' AND 'T' OR ID BETWEEN 4000 AND 4300);
WHERE ((Population > 101000 AND Population < 1000000) OR
ID BETWEEN 3000 AND 3800) AND Country='USA'
AND (Name BETWEEN 'P' AND 'Z' OR ID BETWEEN 3500 AND 4300)
AND Name LIKE '%port';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref PRIMARY,Population,Country,Name,CountryPopulation,CountryName Country 3 const 267 Using where
SELECT * FROM City USE INDEX ()
@@ -938,21 +866,21 @@ ID Name Country Population
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
SELECT * FROM City USE INDEX ()
WHERE ((Population > 101000 AND Population < 102000) OR
ID BETWEEN 3790 AND 3800) AND Country='USA'
AND (Name LIKE 'Pa%' OR ID BETWEEN 4025 AND 4035);
WHERE ((Population > 101000 AND Population < 1000000) OR
ID BETWEEN 3000 AND 3800) AND Country='USA'
AND (Name BETWEEN 'P' AND 'Z' OR ID BETWEEN 3500 AND 4300)
AND Name LIKE '%port';
ID Name Country Population
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
3880 Shreveport USA 200145
3946 Bridgeport USA 139529
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 102000) OR
ID BETWEEN 3790 AND 3800) AND Country='USA'
AND (Name LIKE 'Pa%' OR ID BETWEEN 4025 AND 4035);
WHERE ((Population > 101000 AND Population < 1000000) OR
ID BETWEEN 3000 AND 3800) AND Country='USA'
AND (Name BETWEEN 'P' AND 'Z' OR ID BETWEEN 3500 AND 4300)
AND Name LIKE '%port';
ID Name Country Population
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
3880 Shreveport USA 200145
3946 Bridgeport USA 139529
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 and Population < 102000) OR
@@ -1460,3 +1388,4 @@ f1 f2 f3 f4
9 0 2 6
SET SESSION optimizer_switch=DEFAULT;
DROP TABLE t1;
set session optimizer_switch='index_merge_sort_intersection=default';

193
mysql-test/r/range_vs_index_merge_innodb.result
View File

@@ -39,6 +39,7 @@ SELECT COUNT(*) FROM CountryLanguage;
COUNT(*)
984
CREATE INDEX Name ON City(Name);
set session optimizer_switch='index_merge_sort_intersection=off';
EXPLAIN
SELECT * FROM City
WHERE (Population >= 100000 OR Name LIKE 'P%' OR Population < 100000);
@@ -72,9 +73,9 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 458 Using where
EXPLAIN
SELECT * FROM City
WHERE (Population > 101000 AND Population < 103000);
WHERE (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 80 Using where
1 SIMPLE City range Population Population 4 NULL 38 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'));
@@ -89,9 +90,9 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN
SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 103000);
AND (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country,Name Population 4 NULL 80 Using where
1 SIMPLE City range Population,Country,Name Population 4 NULL 38 Using where
SELECT * FROM City USE INDEX ()
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 115000);
@@ -154,24 +155,20 @@ ID Name Country Population
4032 Cambridge USA 101355
SELECT * FROM City USE INDEX ()
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 103000);
AND (Population > 101000 AND Population < 102000);
ID Name Country Population
637 Mit Ghamr EGY 101801
707 Marbella ESP 101144
3411 Ceyhan TUR 102412
3792 Tartu EST 101246
4027 Cape Coral USA 102286
4032 Cambridge USA 101355
SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 103000);
AND (Population > 101000 AND Population < 102000);
ID Name Country Population
707 Marbella ESP 101144
3792 Tartu EST 101246
4032 Cambridge USA 101355
637 Mit Ghamr EGY 101801
4027 Cape Coral USA 102286
3411 Ceyhan TUR 102412
EXPLAIN
SELECT * FROM City WHERE (Name < 'Ac');
id select_type table type possible_keys key key_len ref rows Extra
@@ -329,9 +326,9 @@ ID Name Country Population
1003 Pemalang IDN 103500
2663 Río Bravo MEX 103901
EXPLAIN
SELECT * FROM City WHERE (ID < 50) OR (ID BETWEEN 100 AND 110);
SELECT * FROM City WHERE (ID < 30) OR (ID BETWEEN 100 AND 150);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 60 Using where
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 79 Using where
EXPLAIN
SELECT * FROM City WHERE (ID < 200) OR (ID BETWEEN 300 AND 600);
id select_type table type possible_keys key key_len ref rows Extra
@@ -354,11 +351,11 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 133 Using where
EXPLAIN
SELECT * FROM City
WHERE ((ID < 50) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
WHERE ((ID < 30) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 100 AND 110) AND
(Name LIKE 'P%' OR (Population > 103000 AND Population < 104000)));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country,Name PRIMARY 4 NULL 60 Using where
1 SIMPLE City range PRIMARY,Population,Country,Name PRIMARY 4 NULL 40 Using where
EXPLAIN
SELECT * FROM City
WHERE ((ID < 800) AND (Name LIKE 'Ha%' OR (Country > 'A' AND Country < 'ARG')))
@@ -372,9 +369,9 @@ WHERE ((ID < 600) AND (Name LIKE 'Ha%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 300 AND 600) AND
(Name LIKE 'Pa%' OR (Population > 103000 AND Population < 104000)));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country,Name PRIMARY 4 NULL 1242 Using where
1 SIMPLE City index_merge PRIMARY,Population,Country,Name Name,Country,Population 35,3,4 NULL 188 Using sort_union(Name,Country,Population); Using where
SELECT * FROM City USE INDEX ()
WHERE ((ID < 50) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
WHERE ((ID < 30) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 100 AND 110) AND
(Name LIKE 'P%' OR (Population > 103000 AND Population < 104000)));
ID Name Country Population
@@ -385,13 +382,10 @@ ID Name Country Population
7 Haag NLD 440900
16 Haarlem NLD 148772
25 Haarlemmermeer NLD 110722
31 Heerlen NLD 95052
33 Willemstad ANT 2345
34 Tirana ALB 270000
100 Paraná ARG 207041
102 Posadas ARG 201273
SELECT * FROM City
WHERE ((ID < 50) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
WHERE ((ID < 30) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 100 AND 110) AND
(Name LIKE 'P%' OR (Population > 103000 AND Population < 104000)));
ID Name Country Population
@@ -402,9 +396,6 @@ ID Name Country Population
7 Haag NLD 440900
16 Haarlem NLD 148772
25 Haarlemmermeer NLD 110722
31 Heerlen NLD 95052
33 Willemstad ANT 2345
34 Tirana ALB 270000
100 Paraná ARG 207041
102 Posadas ARG 201273
SELECT * FROM City USE INDEX()
@@ -577,6 +568,20 @@ WHERE ((ID < 200) AND (Name LIKE 'Ha%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 300 AND 600) AND
(Name LIKE 'Pa%' OR (Population > 103000 AND Population < 104000)));
ID Name Country Population
339 Passo Fundo BRA 166343
364 Parnaíba BRA 129756
372 Paranaguá BRA 126076
379 Palmas BRA 121919
386 Patos de Minas BRA 119262
411 Guaratinguetá BRA 103433
412 Cachoeirinha BRA 103240
413 Codó BRA 103153
424 Passos BRA 98570
430 Paulo Afonso BRA 97291
435 Parnamirim BRA 96210
448 Patos BRA 90519
451 Palhoça BRA 89465
517 Oldham GBR 103931
1 Kabul AFG 1780000
2 Qandahar AFG 237500
3 Herat AFG 186800
@@ -601,20 +606,6 @@ ID Name Country Population
68 Ajman ARE 114395
129 Oranjestad ABW 29034
191 Hamilton BMU 1200
339 Passo Fundo BRA 166343
364 Parnaíba BRA 129756
372 Paranaguá BRA 126076
379 Palmas BRA 121919
386 Patos de Minas BRA 119262
411 Guaratinguetá BRA 103433
412 Cachoeirinha BRA 103240
413 Codó BRA 103153
424 Passos BRA 98570
430 Paulo Afonso BRA 97291
435 Parnamirim BRA 96210
448 Patos BRA 90519
451 Palhoça BRA 89465
517 Oldham GBR 103931
EXPLAIN
SELECT * FROM City WHERE Population > 101000 AND Population < 102000;
id select_type table type possible_keys key key_len ref rows Extra
@@ -727,119 +718,55 @@ SELECT * FROM City WHERE Name LIKE 'P%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 235 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 101000 AND Population < 103000);
SELECT * FROM City WHERE (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 80 Using where
1 SIMPLE City range Population Population 4 NULL 38 Using where
EXPLAIN
SELECT * FROM City WHERE Country='USA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation Country 3 const 274 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'Pas%')
WHERE ((Population > 101000 AND Population < 102000) OR Name LIKE 'Pas%')
AND Country='USA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City index_merge Population,Country,Name,CountryPopulation CountryPopulation,Name 7,35 NULL 17 Using sort_union(CountryPopulation,Name); Using where
1 SIMPLE City index_merge Population,Country,Name,CountryPopulation CountryPopulation,Name 7,35 NULL 10 Using sort_union(CountryPopulation,Name); Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'P%')
AND Country='USA';
WHERE ((Population > 101000 AND Population < 1000000) OR Name LIKE 'P%' )
AND Country='USA' AND Name LIKE '%port';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Population,Country,Name,CountryPopulation Country 3 const 274 Using where
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'Pas%')
WHERE ((Population > 101000 AND Population < 102000) OR Name LIKE 'Pas%')
AND Country='USA';
ID Name Country Population
3943 Pasadena USA 141674
3953 Pasadena USA 133936
4023 Gary USA 102746
4024 Berkeley USA 102743
4025 Santa Clara USA 102361
4026 Green Bay USA 102313
4027 Cape Coral USA 102286
4028 Arvada USA 102153
4029 Pueblo USA 102121
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
SELECT * FROM City USE INDEX ()
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'Pas%')
WHERE ((Population > 101000 AND Population < 102000) OR Name LIKE 'Pas%')
AND Country='USA';
ID Name Country Population
3943 Pasadena USA 141674
3953 Pasadena USA 133936
4023 Gary USA 102746
4024 Berkeley USA 102743
4025 Santa Clara USA 102361
4026 Green Bay USA 102313
4027 Cape Coral USA 102286
4028 Arvada USA 102153
4029 Pueblo USA 102121
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'P%')
AND Country='USA';
WHERE ((Population > 101000 AND Population < 1000000) OR Name LIKE 'P%')
AND Country='USA' AND Name LIKE '%port';
ID Name Country Population
3797 Philadelphia USA 1517550
3798 Phoenix USA 1321045
3820 Portland USA 529121
3844 Pittsburgh USA 334563
3870 Plano USA 222030
3912 Providence USA 173618
3930 Pomona USA 149473
3932 Paterson USA 149222
3943 Pasadena USA 141674
3951 Pembroke Pines USA 137427
3953 Pasadena USA 133936
3967 Paradise USA 124682
3986 Palmdale USA 116670
3996 Peoria USA 112936
4007 Peoria USA 108364
4016 Provo USA 105166
4023 Gary USA 102746
4024 Berkeley USA 102743
4025 Santa Clara USA 102361
4026 Green Bay USA 102313
4027 Cape Coral USA 102286
4028 Arvada USA 102153
4029 Pueblo USA 102121
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
4035 Portsmouth USA 100565
3880 Shreveport USA 200145
3946 Bridgeport USA 139529
SELECT * FROM City USE INDEX ()
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'P%')
AND Country='USA';
WHERE ((Population > 101000 AND Population < 1000000) OR Name LIKE 'P%')
AND Country='USA' AND Name LIKE '%port';
ID Name Country Population
3797 Philadelphia USA 1517550
3798 Phoenix USA 1321045
3820 Portland USA 529121
3844 Pittsburgh USA 334563
3870 Plano USA 222030
3912 Providence USA 173618
3930 Pomona USA 149473
3932 Paterson USA 149222
3943 Pasadena USA 141674
3951 Pembroke Pines USA 137427
3953 Pasadena USA 133936
3967 Paradise USA 124682
3986 Palmdale USA 116670
3996 Peoria USA 112936
4007 Peoria USA 108364
4016 Provo USA 105166
4023 Gary USA 102746
4024 Berkeley USA 102743
4025 Santa Clara USA 102361
4026 Green Bay USA 102313
4027 Cape Coral USA 102286
4028 Arvada USA 102153
4029 Pueblo USA 102121
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
4035 Portsmouth USA 100565
3880 Shreveport USA 200145
3946 Bridgeport USA 139529
CREATE INDEX CountryName ON City(Country,Name);
EXPLAIN
SELECT * FROM City WHERE Country='USA';
@@ -901,9 +828,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City index_merge PRIMARY,Population,Country,Name,CountryPopulation,CountryName CountryName,PRIMARY 38,4 NULL 10 Using sort_union(CountryName,PRIMARY); Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 110000) OR
ID BETWEEN 3500 AND 3800) AND Country='USA'
AND (Name BETWEEN 'P' AND 'T' OR ID BETWEEN 4000 AND 4300);
WHERE ((Population > 101000 AND Population < 1000000) OR
ID BETWEEN 3000 AND 3800) AND Country='USA'
AND (Name BETWEEN 'P' AND 'Z' OR ID BETWEEN 3500 AND 4300)
AND Name LIKE '%port';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref PRIMARY,Population,Country,Name,CountryPopulation,CountryName Country 3 const 274 Using where
SELECT * FROM City USE INDEX ()
@@ -939,21 +867,21 @@ ID Name Country Population
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
SELECT * FROM City USE INDEX ()
WHERE ((Population > 101000 AND Population < 102000) OR
ID BETWEEN 3790 AND 3800) AND Country='USA'
AND (Name LIKE 'Pa%' OR ID BETWEEN 4025 AND 4035);
WHERE ((Population > 101000 AND Population < 1000000) OR
ID BETWEEN 3000 AND 3800) AND Country='USA'
AND (Name BETWEEN 'P' AND 'Z' OR ID BETWEEN 3500 AND 4300)
AND Name LIKE '%port';
ID Name Country Population
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
3880 Shreveport USA 200145
3946 Bridgeport USA 139529
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 102000) OR
ID BETWEEN 3790 AND 3800) AND Country='USA'
AND (Name LIKE 'Pa%' OR ID BETWEEN 4025 AND 4035);
WHERE ((Population > 101000 AND Population < 1000000) OR
ID BETWEEN 3000 AND 3800) AND Country='USA'
AND (Name BETWEEN 'P' AND 'Z' OR ID BETWEEN 3500 AND 4300)
AND Name LIKE '%port';
ID Name Country Population
4030 Sandy USA 101853
4031 Athens-Clarke County USA 101489
4032 Cambridge USA 101355
3880 Shreveport USA 200145
3946 Bridgeport USA 139529
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 and Population < 102000) OR
@@ -1461,4 +1389,5 @@ f1 f2 f3 f4
9 0 2 6
SET SESSION optimizer_switch=DEFAULT;
DROP TABLE t1;
set session optimizer_switch='index_merge_sort_intersection=default';
SET SESSION STORAGE_ENGINE=DEFAULT;

4
mysql-test/r/subselect.result
View File

@@ -3667,8 +3667,6 @@ CREATE TABLE t1 (a int, b int auto_increment, PRIMARY KEY (b));
CREATE TABLE t2 (x int auto_increment, y int, z int,
PRIMARY KEY (x), FOREIGN KEY (y) REFERENCES t1 (b));
SET SESSION sort_buffer_size = 32 * 1024;
Warnings:
Warning 1292 Truncated incorrect sort_buffer_size value: '32768'
SELECT SQL_NO_CACHE COUNT(*)
FROM (SELECT a, b, (SELECT x FROM t2 WHERE y=b ORDER BY z DESC LIMIT 1) c
FROM t1) t;
@@ -4104,8 +4102,6 @@ INSERT INTO `t1` VALUES ('asdf','2007-02-08 01:11:26');
INSERT INTO `t2` VALUES ('abcdefghijk');
INSERT INTO `t2` VALUES ('asdf');
SET session sort_buffer_size=8192;
Warnings:
Warning 1292 Truncated incorrect sort_buffer_size value: '8192'
SELECT (SELECT 1 FROM t1 WHERE t1.a=t2.a ORDER BY t1.b LIMIT 1) AS d1 FROM t2;
d1
1

1
mysql-test/r/variables.result
View File

@@ -971,6 +971,7 @@ tmpdir #
select * from information_schema.session_variables where variable_name like 'tmpdir';
VARIABLE_NAME VARIABLE_VALUE
TMPDIR #
set sort_buffer_size=1024*8;
select @@ssl_ca, @@ssl_capath, @@ssl_cert, @@ssl_cipher, @@ssl_key;
@@ssl_ca @@ssl_capath @@ssl_cert @@ssl_cipher @@ssl_key
# # # # #