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Commit 517fc164 authored by Igor Babaev's avatar Igor Babaev
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mysql-test/include/index_merge2.inc
View file @ 517fc164
......@@ -123,6 +123,7 @@ analyze table t1;
select count(*) from t1;
--replace_column 9 REF
--replace_result i2,i1 i1,i2
explain select count(*) from t1 where
key1a = 2 and key1b is null and key2a = 2 and key2b is null;
......@@ -130,6 +131,7 @@ select count(*) from t1 where
key1a = 2 and key1b is null and key2a = 2 and key2b is null;
--replace_column 9 REF
--replace_result i3,i1 i1,i3
explain select count(*) from t1 where
key1a = 2 and key1b is null and key3a = 2 and key3b is null;
......
mysql-test/include/world_schema.inc
View file @ 517fc164
......@@ -6,7 +6,7 @@ CREATE TABLE Country (
Capital int(11) default NULL,
PRIMARY KEY (Code),
UNIQUE INDEX (Name)
);
) COLLATE latin1_bin;
CREATE TABLE City (
ID int(11) NOT NULL auto_increment,
Name char(35) NOT NULL default '',
......@@ -15,11 +15,11 @@ CREATE TABLE City (
PRIMARY KEY (ID),
INDEX (Population),
INDEX (Country)
);
) COLLATE latin1_bin;
CREATE TABLE CountryLanguage (
Country char(3) NOT NULL default '',
Language char(30) NOT NULL default '',
Percentage float(3,1) NOT NULL default '0.0',
PRIMARY KEY (Country, Language),
INDEX (Percentage)
);
) COLLATE latin1_bin;
mysql-test/include/world_schema1.inc
View file @ 517fc164
......@@ -4,15 +4,15 @@ CREATE TABLE Country (
SurfaceArea float(10,2) NOT NULL default '0.00',
Population int(11) NOT NULL default '0',
Capital int(11) default NULL
);
) COLLATE latin1_bin;
CREATE TABLE City (
ID int(11) NOT NULL,
Name char(35) NOT NULL default '',
Country char(3) NOT NULL default '',
Population int(11) NOT NULL default '0'
);
) COLLATE latin1_bin;
CREATE TABLE CountryLanguage (
Country char(3) NOT NULL default '',
Language char(30) NOT NULL default '',
Percentage float(3,1) NOT NULL default '0.0'
);
) COLLATE latin1_bin;
mysql-test/r/archive_gis.result
View file @ 517fc164
......@@ -403,7 +403,7 @@ Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r
FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,overlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,disjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,intersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `test`.`g1`.`fid`,`test`.`g2`.`fid`
DROP TABLE gis_point, gis_line, gis_polygon, gis_multi_point, gis_multi_line, gis_multi_polygon, gis_geometrycollection, gis_geometry;
......
mysql-test/r/compress.result
View file @ 517fc164
......@@ -1435,7 +1435,7 @@ companynr companynr
explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer (flat, BNL join)
select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008;
fld1 companynr fld3 period
038008 37 reporters 1008
......
mysql-test/r/ctype_eucjpms.result 100755 → 100644
View file @ 517fc164
File mode changed from 100755 to 100644
mysql-test/r/ctype_utf8.result
View file @ 517fc164
......@@ -1537,7 +1537,7 @@ explain
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE Y ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
1 SIMPLE Z ALL NULL NULL NULL NULL 2 Using where; Using join buffer
1 SIMPLE Z ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
substr(Z.a,-1) a
3 123
......
mysql-test/r/derived.result
View file @ 517fc164
......@@ -58,7 +58,7 @@ a b a b
explain select * from t1 as x1, (select * from t1) as x2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY x1 ALL NULL NULL NULL NULL 4
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 Using join buffer
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 4
drop table if exists t2,t3;
select * from (select 1) as a;
......@@ -189,13 +189,13 @@ pla_id test
explain SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY m2 ALL NULL NULL NULL NULL 9
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer (flat, BNL join)
2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort
2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1
explain SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY m2 ALL NULL NULL NULL NULL 9
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer (flat, BNL join)
2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort
2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1
drop table t1,t2;
......@@ -246,7 +246,7 @@ a a
explain select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
1 PRIMARY <derived4> ALL NULL NULL NULL NULL 2 Using join buffer
1 PRIMARY <derived4> ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
4 DERIVED t1 ALL NULL NULL NULL NULL 2
5 UNION t1 ALL NULL NULL NULL NULL 2
NULL UNION RESULT <union4,5> ALL NULL NULL NULL NULL NULL
......@@ -313,7 +313,7 @@ explain SELECT s.name, AVG(s.val) AS median FROM (SELECT x.name, x.val FROM t1 x
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 3 Using temporary; Using filesort
2 DERIVED x ALL NULL NULL NULL NULL 17 Using temporary; Using filesort
2 DERIVED y ALL NULL NULL NULL NULL 17 Using where; Using join buffer
2 DERIVED y ALL NULL NULL NULL NULL 17 Using where; Using join buffer (flat, BNL join)
drop table t1;
create table t2 (a int, b int, primary key (a));
insert into t2 values (1,7),(2,7);
......
mysql-test/r/distinct.result
View file @ 517fc164
......@@ -173,9 +173,9 @@ INSERT INTO t2 values (1),(2),(3);
INSERT INTO t3 VALUES (1,'1'),(2,'2'),(1,'1'),(2,'2');
explain SELECT distinct t3.a FROM t3,t2,t1 WHERE t3.a=t1.b AND t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 4 Using temporary
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 4 Using where; Using temporary
1 SIMPLE t3 ref a a 5 test.t1.b 2 Using index
1 SIMPLE t2 index a a 4 NULL 5 Using where; Using index; Distinct; Using join buffer
1 SIMPLE t2 index a a 4 NULL 5 Using where; Using index; Distinct; Using join buffer (flat, BNL join)
SELECT distinct t3.a FROM t3,t2,t1 WHERE t3.a=t1.b AND t1.a=t2.a;
a
1
......@@ -300,11 +300,11 @@ WHERE
AND ((t1.id=j_lj_t3.id AND t3_lj.id IS NULL) OR (t1.id=t3.id AND t3.idx=2));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index id id 4 NULL 2 Using index; Using temporary
1 SIMPLE t2 index id id 8 NULL 1 Using index; Distinct; Using join buffer
1 SIMPLE t3 index id id 8 NULL 1 Using index; Distinct; Using join buffer
1 SIMPLE j_lj_t2 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer
1 SIMPLE t2 index id id 8 NULL 1 Using index; Distinct; Using join buffer (flat, BNL join)
1 SIMPLE t3 index id id 8 NULL 1 Using index; Distinct; Using join buffer (flat, BNL join)
1 SIMPLE j_lj_t2 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer (flat, BNL join)
1 SIMPLE t2_lj ref id id 4 test.j_lj_t2.id 1 Using where; Using index; Distinct
1 SIMPLE j_lj_t3 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer
1 SIMPLE j_lj_t3 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer (flat, BNL join)
1 SIMPLE t3_lj ref id id 4 test.j_lj_t3.id 1 Using where; Using index; Distinct
SELECT DISTINCT
t1.id
......@@ -515,7 +515,7 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT DISTINCT t1_1.a, t1_1.b FROM t1 t1_1, t1 t1_2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1_1 ALL NULL NULL NULL NULL 3 Using temporary
1 SIMPLE t1_2 index NULL PRIMARY 4 NULL 3 Using index; Distinct; Using join buffer
1 SIMPLE t1_2 index NULL PRIMARY 4 NULL 3 Using index; Distinct; Using join buffer (flat, BNL join)
EXPLAIN SELECT DISTINCT t1_1.a, t1_1.b FROM t1 t1_1, t1 t1_2
WHERE t1_1.a = t1_2.a;
id select_type table type possible_keys key key_len ref rows Extra
......
mysql-test/r/explain.result
View file @ 517fc164
......@@ -116,7 +116,7 @@ FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select 1 AS `1` from (select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1`
EXPLAIN EXTENDED SELECT 1
......@@ -124,7 +124,7 @@ FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select 1 AS `1` from (select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1`
prepare s1 from
......@@ -134,7 +134,7 @@ execute s1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select 1 AS `1` from (select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1`
prepare s1 from
......@@ -144,14 +144,14 @@ execute s1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select 1 AS `1` from (select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1`
execute s1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select 1 AS `1` from (select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1`
DROP TABLE t1,t2;
......
mysql-test/r/func_gconcat.result
View file @ 517fc164
......@@ -986,7 +986,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1 100.00
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort; Distinct
2 DERIVED td ALL NULL NULL NULL NULL 2 100.00 Distinct; Using join buffer
2 DERIVED td ALL NULL NULL NULL NULL 2 100.00 Distinct; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select 1 AS `1` from (select distinct group_concat(`test`.`td`.`f1` separator ',') AS `GROUP_CONCAT(td.f1)` from `test`.`t1` join `test`.`t1` `td` group by `test`.`td`.`f1`) `d` join `test`.`t1`
SELECT 1 FROM
......@@ -1007,7 +1007,7 @@ t1 t2, t1 GROUP BY t1.a) AS d;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1 100.00
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select 1 AS `1` from (select group_concat(`test`.`t1`.`a` order by `test`.`t1`.`a` ASC separator ',') AS `GROUP_CONCAT(t1.a ORDER BY t1.a ASC)` from `test`.`t1` `t2` join `test`.`t1` group by `test`.`t1`.`a`) `d`
DROP TABLE t1;
......
mysql-test/r/func_group.result
View file @ 517fc164
......@@ -614,7 +614,7 @@ explain
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 > 'CA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range k1 k1 7 NULL 1 Using where; Using index
1 SIMPLE t2 range k1 k1 3 NULL 4 Using where; Using index; Using join buffer
1 SIMPLE t2 range k1 k1 3 NULL 4 Using where; Using index; Using join buffer (flat, BNL join)
explain
select min(a4 - 0.01) from t1;
id select_type table type possible_keys key key_len ref rows Extra
......@@ -651,7 +651,7 @@ explain
select concat(min(t1.a1),min(t2.a4)) from t1, t2 where t2.a4 <> 'AME';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range k2 k2 4 NULL 6 Using where; Using index
1 SIMPLE t1 index NULL PRIMARY 3 NULL 15 Using index; Using join buffer
1 SIMPLE t1 index NULL PRIMARY 3 NULL 15 Using index; Using join buffer (flat, BNL join)
drop table t1, t2;
create table t1 (a char(10));
insert into t1 values ('a'),('b'),('c');
......
mysql-test/r/func_group_innodb.result
View file @ 517fc164
......@@ -79,7 +79,7 @@ min(7)
explain select min(7) from t2i join t1i;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
select min(7) from t2i join t1i;
min(7)
NULL
......@@ -95,7 +95,7 @@ max(7)
explain select max(7) from t2i join t1i;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
select max(7) from t2i join t1i;
max(7)
NULL
......
mysql-test/r/func_str.result
View file @ 517fc164
......@@ -2550,12 +2550,12 @@ insert into t1 values (-1),(null);
explain select 1 as a from t1,(select decode(f1,f1) as b from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 2
explain select 1 as a from t1,(select encode(f1,f1) as b from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 2
drop table t1;
#
......
mysql-test/r/gis.result
View file @ 517fc164
......@@ -395,7 +395,7 @@ Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r
FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,overlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,disjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,intersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `test`.`g1`.`fid`,`test`.`g2`.`fid`
DROP TABLE gis_point, gis_line, gis_polygon, gis_multi_point, gis_multi_line, gis_multi_polygon, gis_geometrycollection, gis_geometry;
......
mysql-test/r/greedy_optimizer.result
View file @ 517fc164
This diff is collapsed.
mysql-test/r/group_by.result
View file @ 517fc164
......@@ -537,11 +537,11 @@ a b
explain select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort
1 SIMPLE t2 ALL a NULL NULL NULL 4 Using where; Using join buffer
1 SIMPLE t2 ALL a NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
explain select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b ORDER BY NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary
1 SIMPLE t2 ALL a NULL NULL NULL 4 Using where; Using join buffer
1 SIMPLE t2 ALL a NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
drop table t1,t2;
create table t1 (a int, b int);
insert into t1 values (1, 4),(10, 40),(1, 4),(10, 43),(1, 4),(10, 41),(1, 4),(10, 43),(1, 4);
......@@ -873,7 +873,7 @@ explain
SELECT straight_join sql_no_cache v1.a, v1.b, v1.real_b from t2, v1
where t2.b=v1.a GROUP BY t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index b b 2 NULL 10 Using index
1 SIMPLE t2 index b b 2 NULL 10 Using where; Using index
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 1 test.t2.b 1
SELECT straight_join sql_no_cache v1.a, v1.b, v1.real_b from t2, v1
where t2.b=v1.a GROUP BY t2.b;
......
mysql-test/r/group_min_max.result
View file @ 517fc164
......@@ -2267,7 +2267,7 @@ ON t1_outer1.a = (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2)
AND t1_outer1.b = t1_outer2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1_outer1 ref a a 5 const 1 Using where; Using index
1 PRIMARY t1_outer2 index NULL a 10 NULL 15 Using where; Using index; Using join buffer
1 PRIMARY t1_outer2 index NULL a 10 NULL 15 Using where; Using index; Using join buffer (flat, BNL join)
2 SUBQUERY t1 range NULL a 5 NULL 8 Using index for group-by
EXPLAIN SELECT (SELECT (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) x
FROM t1 AS t1_outer) x2 FROM t1 AS t1_outer2;
......
mysql-test/r/index_merge_myisam.result
View file @ 517fc164
......@@ -271,7 +271,7 @@ explain select * from t0,t1 where t0.key1 = 5 and
(t1.key1 = t0.key1 or t1.key8 = t0.key1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t0 ref i1 i1 4 const 1
1 SIMPLE t1 index_merge i1,i8 i1,i8 4,4 NULL 2 Using union(i1,i8); Using where; Using join buffer
1 SIMPLE t1 index_merge i1,i8 i1,i8 4,4 NULL 2 Using union(i1,i8); Using where; Using join buffer (flat, BNL join)
explain select * from t0,t1 where t0.key1 < 3 and
(t1.key1 = t0.key1 or t1.key8 = t0.key1);
id select_type table type possible_keys key key_len ref rows Extra
......@@ -348,7 +348,7 @@ where (A.key1 < 500000 or A.key2 < 3)
and (B.key1 < 500000 or B.key2 < 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE A index_merge i1,i2 i1,i2 4,4 NULL 1013 Using sort_union(i1,i2); Using where
1 SIMPLE B index_merge i1,i2 i1,i2 4,4 NULL 1013 Using sort_union(i1,i2); Using where; Using join buffer
1 SIMPLE B index_merge i1,i2 i1,i2 4,4 NULL 1013 Using sort_union(i1,i2); Using where; Using join buffer (flat, BNL join)
select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5)
from t0 as A force index(i1,i2), t0 as B force index (i1,i2)
where (A.key1 < 500000 or A.key2 < 3)
......@@ -362,7 +362,7 @@ where (A.key1 = 1 or A.key2 = 1)
and (B.key1 = 1 or B.key2 = 1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE A index_merge i1,i2 i1,i2 4,4 NULL 1020 Using union(i1,i2); Using where
1 SIMPLE B index_merge i1,i2 i1,i2 4,4 NULL 1020 Using union(i1,i2); Using where; Using join buffer
1 SIMPLE B index_merge i1,i2 i1,i2 4,4 NULL 1020 Using union(i1,i2); Using where; Using join buffer (flat, BNL join)
select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5)
from t0 as A force index(i1,i2), t0 as B force index (i1,i2)
where (A.key1 = 1 or A.key2 = 1)
......@@ -377,7 +377,7 @@ where (A.key1 = 1 and A.key2 = 1 and A.key3 = 1 and A.key4=1 and A.key5=1 and A.
and (B.key1 = 1 and B.key2 = 1 and B.key3 = 1 and B.key4=1 and B.key5=1 and B.key6=1 and B.key7 = 1 or B.key8=1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE A index_merge i1,i2,i3,i4,i5,i6,i7?,i8 i2,i3,i4,i5,i6,i7?,i8 X NULL # Using union(intersect(i2,i3,i4,i5,i6,i7?),i8); Using where
1 SIMPLE B index_merge i1,i2,i3,i4,i5,i6,i7?,i8 i2,i3,i4,i5,i6,i7?,i8 X NULL # Using union(intersect(i2,i3,i4,i5,i6,i7?),i8); Using where; Using join buffer
1 SIMPLE B index_merge i1,i2,i3,i4,i5,i6,i7?,i8 i2,i3,i4,i5,i6,i7?,i8 X NULL # Using union(intersect(i2,i3,i4,i5,i6,i7?),i8); Using where; Using join buffer (flat, BNL join)
select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5)
from t0 as A, t0 as B
where (A.key1 = 1 and A.key2 = 1 and A.key3 = 1 and A.key4=1 and A.key5=1 and A.key6=1 and A.key7 = 1 or A.key8=1)
......
mysql-test/r/information_schema.result
View file @ 517fc164
......@@ -324,7 +324,7 @@ information_schema.SCHEMATA b where
a.ROUTINE_SCHEMA = b.SCHEMA_NAME;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE # ALL NULL NULL NULL NULL NULL
1 SIMPLE # ALL NULL NULL NULL NULL NULL Using where; Using join buffer
1 SIMPLE # ALL NULL NULL NULL NULL NULL Using where; Using join buffer (flat, BNL join)
select a.ROUTINE_NAME, b.name from information_schema.ROUTINES a,
mysql.proc b where a.ROUTINE_NAME = convert(b.name using utf8) AND a.ROUTINE_SCHEMA='test' order by 1;
ROUTINE_NAME name
......@@ -1450,7 +1450,7 @@ from information_schema.tables a, information_schema.columns b
where a.table_name='t1' and a.table_schema='test' and b.table_name=a.table_name;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE a ALL NULL TABLE_SCHEMA,TABLE_NAME NULL NULL NULL Using where; Skip_open_table; Scanned 0 databases
1 SIMPLE b ALL NULL NULL NULL NULL NULL Using where; Open_frm_only; Scanned all databases; Using join buffer
1 SIMPLE b ALL NULL NULL NULL NULL NULL Using where; Open_frm_only; Scanned all databases; Using join buffer (flat, BNL join)
SELECT * FROM INFORMATION_SCHEMA.SCHEMATA
WHERE SCHEMA_NAME = 'mysqltest';
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
......
mysql-test/r/join.result
View file @ 517fc164
......@@ -404,7 +404,7 @@ SELECT STRAIGHT_JOIN t2.e FROM t1,t2 WHERE t2.d=1 AND t1.b=t2.e
ORDER BY t1.b, t1.c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 32 Using temporary; Using filesort
1 SIMPLE t2 ALL NULL NULL NULL NULL 16 Using where; Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 16 Using where; Using join buffer (flat, BNL join)
SELECT STRAIGHT_JOIN t2.e FROM t1,t2 WHERE t2.d=1 AND t1.b=t2.e
ORDER BY t1.b, t1.c;
e
......@@ -846,7 +846,7 @@ select * from t1, t2, t3 where t3.a=t1.a and t2.a=t1.b;
a b a a
explain select * from t1, t2, t3 where t3.a=t1.a and t2.a=t1.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 Using index
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using index
We expect rnd_next=5, and read_key must be 0 because of short-cutting:
......@@ -889,8 +889,8 @@ Z
vv: Following query must use ALL(t1), eq_ref(A), eq_ref(B): vv
explain select * from t1, t2 A, t2 B where A.a = t1.a and B.a=A.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 10
1 SIMPLE A eq_ref PRIMARY PRIMARY 4 test.t1.a 1
1 SIMPLE t1 ALL NULL NULL NULL NULL 10 Using where
1 SIMPLE A eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using where
1 SIMPLE B eq_ref PRIMARY PRIMARY 4 test.A.b 1
show status like '%cost%';
Variable_name Value
......@@ -910,7 +910,7 @@ INSERT INTO t1 SELECT a + 64, b FROM t1;
INSERT INTO t2 SELECT a, b FROM t1;
EXPLAIN SELECT * FROM t1 JOIN t2 ON b=c ORDER BY a LIMIT 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 2
1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using where
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.b 1
EXPLAIN SELECT * FROM t1 JOIN t2 ON a=c ORDER BY a LIMIT 2;
id select_type table type possible_keys key key_len ref rows Extra
......@@ -924,7 +924,7 @@ a b c d
2 NULL 2 NULL
EXPLAIN SELECT * FROM t1 JOIN t2 ON b=c ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 128 Using filesort
1 SIMPLE t1 ALL NULL NULL NULL NULL 128 Using where; Using filesort
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.b 1
EXPLAIN SELECT * FROM t1 JOIN t2 ON a=c ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
......@@ -1095,11 +1095,11 @@ ON t4.a = t5.a
ON t1.a = t3.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
1 SIMPLE t3 ref a a 5 test.t1.a 2 Using index
1 SIMPLE t3 ref a a 5 test.t1.a 2 Using where; Using index
1 SIMPLE t4 ALL NULL NULL NULL NULL 0 Using where
1 SIMPLE t5 ALL NULL NULL NULL NULL 0 Using where
1 SIMPLE t6 ALL NULL NULL NULL NULL 0 Using where
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using where; Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using where; Using join buffer (flat, BNL join)
SELECT *
FROM
t1 JOIN t2 ON t1.a = t2.a
......@@ -1220,4 +1220,34 @@ f1
2
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
#
# BUG#47217 Lost optimization caused slowdown & wrong result.
#
CREATE TABLE t1 (pk INT, v VARCHAR(2), PRIMARY KEY(pk));
CREATE INDEX ix1 ON t1(v);
CREATE TABLE t2 (pk INT, v VARCHAR(2), PRIMARY KEY(pk));
CREATE INDEX ix2 ON t2(v);
INSERT INTO t1 VALUES (1,'a'),(2,NULL);
INSERT INTO t2 VALUES (1,NULL);
EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.v = t2.v ORDER BY 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.v = t2.v;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
INSERT INTO t1 VALUES (3,'b'),(4,NULL),(5,'c'),(6,'cc'),(7,'d'),
(8,'dd'),(9,'e'),(10,'ee');
INSERT INTO t2 VALUES (2,NULL);
FLUSH STATUS;
SELECT * FROM t1 JOIN t2 ON t1.v = t2.v WHERE t2.v IS NULL ORDER BY 1;
pk v pk v
SHOW STATUS LIKE 'Handler_read_%';
Variable_name Value
Handler_read_first 0
Handler_read_key 1
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 1
DROP TABLE t1, t2;
End of 5.1 tests
mysql-test/r/join_cache.result
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mysql-test/r/join_nested.result
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mysql-test/r/join_nested_jcl6.result
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mysql-test/r/join_outer.result
View file @ 517fc164
......@@ -1126,7 +1126,7 @@ a b a b
7 8 7 5
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a OR t1.a = t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 4
1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 4 Using where
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a IN(t2.a, t2.b);
id select_type table type possible_keys key key_len ref rows Extra
......@@ -1335,7 +1335,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE tt6 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE tt7 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE tt8 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE tt9 ALL NULL NULL NULL NULL 2 Using join buffer
1 SIMPLE tt9 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
SET optimizer_search_depth = DEFAULT;
DROP TABLE t1;
#
......@@ -1354,7 +1354,7 @@ EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t1 TA1
RIGHT JOIN t2 TA2 JOIN t2 TA3 ON TA2.f1 ON TA3.f1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE TA2 ALL NULL NULL NULL NULL 20 Using where
1 SIMPLE TA3 ALL NULL NULL NULL NULL 20 Using join buffer
1 SIMPLE TA3 ALL NULL NULL NULL NULL 20 Using join buffer (flat, BNL join)
1 SIMPLE TA1 ALL NULL NULL NULL NULL 2 Using where
DROP TABLE t1, t2;
#
......@@ -1449,4 +1449,63 @@ group by t2.pk;
pk t
2001 3001
drop table t1,t2,t3,t4;
#
# Bug#57024: Poor performance when conjunctive condition over the outer
# table is used in the on condition of an outer join
#
create table t1 (a int);
insert into t1 values (NULL), (NULL), (NULL), (NULL);
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 values (4), (2), (1), (3);
create table t2 like t1;
insert into t2 select if(t1.a is null, 10, t1.a) from t1;
create table t3 (a int, b int, index idx(a));
insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101);
analyze table t1,t2,t3;
Table Op Msg_type Msg_text
test.t1 analyze status OK
test.t2 analyze status OK
test.t3 analyze status OK
flush status;
select sum(t3.b) from t1 left join t3 on t3.a=t1.a and t1.a is not null;
sum(t3.b)
1006
show status like "handler_read%";
Variable_name Value
Handler_read_first 0
Handler_read_key 4
Handler_read_next 5
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 1048581
flush status;
select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
sum(t3.b)
1006
show status like "handler_read%";
Variable_name Value
Handler_read_first 0
Handler_read_key 4
Handler_read_next 5
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 1048581
drop table t1,t2,t3;
End of 5.1 tests
mysql-test/r/join_outer_jcl6.result
View file @ 517fc164
This diff is collapsed.
mysql-test/r/key_cache.result
View file @ 517fc164
......@@ -645,7 +645,7 @@ i
3
explain select count(*) from t1, t2 where t1.p = t2.i;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index k1 k1 5 NULL 1024 Using index
1 SIMPLE t2 index k1 k1 5 NULL 1024 Using where; Using index
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.i 1 Using index
select count(*) from t1, t2 where t1.p = t2.i;
count(*)
......
mysql-test/r/key_diff.result
View file @ 517fc164
......@@ -36,7 +36,7 @@ a a a a
explain select t1.*,t2.* from t1,t1 as t2 where t1.A=t2.B;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL a NULL NULL NULL 5
1 SIMPLE t2 ALL b NULL NULL NULL 5 Using where; Using join buffer
1 SIMPLE t2 ALL b NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join)
select t1.*,t2.* from t1,t1 as t2 where t1.A=t2.B order by binary t1.a,t2.a;
a b a b
A B a a
......
mysql-test/r/lowercase_mixed_tmpdir_innodb.result 100755 → 100644
View file @ 517fc164
File mode changed from 100755 to 100644
mysql-test/r/maria_mrr.result
View file @ 517fc164
......@@ -321,8 +321,8 @@ SELECT COUNT(t1.v) FROM t1, t2 IGNORE INDEX (idx), t3 IGNORE INDEX (idx)
WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL idx 7 NULL 15 Using index
1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 16 Using where; Using join buffer
1 SIMPLE t3 ALL PRIMARY NULL NULL NULL 17 Using where; Using join buffer
1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 16 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t3 ALL PRIMARY NULL NULL NULL 17 Using where; Using join buffer (flat, BNL join)
SELECT COUNT(t1.v) FROM t1, t2, t3
WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
COUNT(t1.v)
......@@ -332,7 +332,7 @@ SELECT COUNT(t1.v) FROM t1, t2, t3
WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL idx 7 NULL 15 Using index
1 SIMPLE t2 ALL PRIMARY,idx NULL NULL NULL 16 Using where; Using join buffer
1 SIMPLE t2 ALL PRIMARY,idx NULL NULL NULL 16 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t3 ref PRIMARY,idx idx 3 test.t2.v 2 Using index condition; Using where
DROP TABLE t1,t2,t3;
#
......
mysql-test/r/myisam.result
View file @ 517fc164
......@@ -346,23 +346,23 @@ t1 1 c_2 2 a A 5 NULL NULL BTREE
explain select * from t1,t2 where t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL a NULL NULL NULL 2
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where; Using join buffer
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join)
explain select * from t1,t2 force index(a) where t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL a NULL NULL NULL 2
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where; Using join buffer
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join)
explain select * from t1 force index(a),t2 force index(a) where t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL a NULL NULL NULL 2
1 SIMPLE t1 ref a a 4 test.t2.a 3
explain select * from t1,t2 where t1.b=t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL b NULL NULL NULL 2
1 SIMPLE t2 ALL b NULL NULL NULL 2 Using where
1 SIMPLE t1 ref b b 5 test.t2.b 1
explain select * from t1,t2 force index(c) where t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 2
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where; Using join buffer
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join)
explain select * from t1 where a=0 or a=2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where
......
mysql-test/r/null_key.result
View file @ 517fc164
......@@ -178,12 +178,12 @@ create table t2 (a int);
insert into t2 values (7),(8);
explain select * from t2 straight_join t1 where t1.a=t2.a and b is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE t1 ref a,b a 10 test.t2.a,const 2 Using where; Using index
drop index b on t1;
explain select * from t2,t1 where t1.a=t2.a and b is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE t1 ref a a 10 test.t2.a,const 2 Using where; Using index
select * from t2,t1 where t1.a=t2.a and b is null;
a a b
......@@ -191,7 +191,7 @@ a a b
8 8 NULL
explain select * from t2,t1 where t1.a=t2.a and (b= 7 or b is null);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE t1 ref_or_null a a 10 test.t2.a,const 4 Using index
select * from t2,t1 where t1.a=t2.a and (b= 7 or b is null);
a a b
......@@ -407,8 +407,8 @@ EXPLAIN SELECT SQL_CALC_FOUND_ROWS * FROM t1 LEFT JOIN t2 ON t1.a=t2.a
LEFT JOIN t3 ON t2.b=t3.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
1 SIMPLE t2 ref idx idx 5 test.t1.a 1
1 SIMPLE t3 ref idx idx 5 test.t2.b 1 Using index
1 SIMPLE t2 ref idx idx 5 test.t1.a 1 Using where
1 SIMPLE t3 ref idx idx 5 test.t2.b 1 Using where; Using index
FLUSH STATUS ;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 LEFT JOIN t2 ON t1.a=t2.a
LEFT JOIN t3 ON t2.b=t3.b;
......
mysql-test/r/optimizer_switch.result
View file @ 517fc164
This diff is collapsed.
mysql-test/r/order_by.result
View file @ 517fc164
......@@ -1489,7 +1489,7 @@ SELECT d FROM t1, t2
WHERE t2.b=14 AND t2.a=t1.a AND 5.1<t2.c AND t1.b='DE'
ORDER BY t2.c LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a,b b 4 const 4 Using index condition; Using temporary; Using filesort
1 SIMPLE t1 ref a,b b 4 const 4 Using index condition; Using where; Using temporary; Using filesort
1 SIMPLE t2 ref a,b,c a 40 test.t1.a,const 11 Using index condition
SELECT d FROM t1, t2
WHERE t2.b=14 AND t2.a=t1.a AND 5.1<t2.c AND t1.b='DE'
......@@ -1608,18 +1608,18 @@ EXPLAIN
SELECT * FROM t1 FORCE INDEX FOR ORDER BY (a), t2 WHERE t1.a < 2 ORDER BY t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 2 Using index condition; Using MRR; Using temporary; Using filesort
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer (flat, BNL join)
# should have "using filesort"
EXPLAIN
SELECT * FROM t1 USE INDEX FOR ORDER BY (a), t2 WHERE t1.a < 2 ORDER BY t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 2 Using index condition; Using MRR; Using temporary; Using filesort
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer (flat, BNL join)
# should have "using filesort"
EXPLAIN
SELECT * FROM t1 FORCE INDEX FOR JOIN (a), t2 WHERE t1.a < 2 ORDER BY t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 2 Using index condition; Using MRR; Using temporary; Using filesort
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer (flat, BNL join)
DROP TABLE t1, t2;
End of 5.1 tests
mysql-test/r/pool_of_threads.result
View file @ 517fc164
......@@ -1429,7 +1429,7 @@ companynr companynr
explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer (flat, BNL join)
select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008;
fld1 companynr fld3 period
038008 37 reporters 1008
......
mysql-test/r/range.result
View file @ 517fc164
......@@ -221,27 +221,27 @@ update t1 set y=x;
explain select * from t1, t1 t2 where t1.y = 8 and t2.x between 7 and t1.y+0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Using MRR; Using join buffer
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Using MRR; Using join buffer (flat, BNL join)
explain select * from t1, t1 t2 where t1.y = 8 and t2.x >= 7 and t2.x <= t1.y+0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Using MRR; Using join buffer
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Using MRR; Using join buffer (flat, BNL join)
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between t1.y-1 and t1.y+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 3 Using index condition; Using MRR; Using join buffer
1 SIMPLE t2 range x x 5 NULL 3 Using index condition; Using MRR; Using join buffer (flat, BNL join)
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= t1.y-1 and t2.x <= t1.y+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 3 Using index condition; Using MRR; Using join buffer
1 SIMPLE t2 range x x 5 NULL 3 Using index condition; Using MRR; Using join buffer (flat, BNL join)
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between 0 and t1.y;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Using MRR; Using join buffer
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Using MRR; Using join buffer (flat, BNL join)
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 0 and t2.x <= t1.y;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Using MRR; Using join buffer
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Using MRR; Using join buffer (flat, BNL join)
explain select count(*) from t1 where x in (1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref x x 5 const 1 Using index
......@@ -256,12 +256,12 @@ INSERT INTO t2 VALUES (0),(0),(1),(1),(2),(2);
explain select * from t1, t2 where (t1.key1 <t2.keya + 1) and t2.keya=3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref j1 j1 4 const 1 Using index
1 SIMPLE t1 index i1 i1 4 NULL 7 Using where; Using index; Using join buffer
1 SIMPLE t1 index i1 i1 4 NULL 7 Using where; Using index; Using join buffer (flat, BNL join)
explain select * from t1 force index(i1), t2 force index(j1) where
(t1.key1 <t2.keya + 1) and t2.keya=3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref j1 j1 4 const 1 Using index
1 SIMPLE t1 index i1 i1 4 NULL 7 Using where; Using index; Using join buffer
1 SIMPLE t1 index i1 i1 4 NULL 7 Using where; Using index; Using join buffer (flat, BNL join)
DROP TABLE t1,t2;
CREATE TABLE t1 (
a int(11) default NULL,
......
mysql-test/r/row.result
View file @ 517fc164
......@@ -377,7 +377,7 @@ a b a b c
EXPLAIN EXTENDED SELECT * FROM t1,t2 WHERE (t1.a-1,t1.b)=(t2.a-1,t2.b+1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 8 NULL 6 100.00 Using index
1 SIMPLE t2 index NULL PRIMARY 12 NULL 7 100.00 Using where; Using index; Using join buffer
1 SIMPLE t2 index NULL PRIMARY 12 NULL 7 100.00 Using where; Using index; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where (((`test`.`t1`.`a` - 1) = (`test`.`t2`.`a` - 1)) and (`test`.`t1`.`b` = (`test`.`t2`.`b` + 1)))
SELECT * FROM t1,t2 WHERE (t1.a-1,t1.b)=(t2.a-1,t2.b+1);
......
mysql-test/r/select.result
View file @ 517fc164
......@@ -1431,7 +1431,7 @@ companynr companynr
explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer (flat, BNL join)
select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008;
fld1 companynr fld3 period
038008 37 reporters 1008
......@@ -2363,7 +2363,7 @@ insert into t2 values (1,3), (2,3), (3,4), (4,4);
explain select * from t1 left join t2 on a=c where d in (4);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref c,d d 5 const 2
1 SIMPLE t1 ALL a NULL NULL NULL 4 Using where; Using join buffer
1 SIMPLE t1 ALL a NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
select * from t1 left join t2 on a=c where d in (4);
a b c d
3 2 3 4
......@@ -2371,7 +2371,7 @@ a b c d
explain select * from t1 left join t2 on a=c where d = 4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref c,d d 5 const 2
1 SIMPLE t1 ALL a NULL NULL NULL 4 Using where; Using join buffer
1 SIMPLE t1 ALL a NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
select * from t1 left join t2 on a=c where d = 4;
a b c d
3 2 3 4
......@@ -2717,7 +2717,7 @@ where (t1.c=t2.a or (t1.c=t3.a and t2.a=t3.b)) and t1.b=556476786 and
t2.b like '%%' order by t2.b limit 0,1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref b,c b 5 const 1 Using temporary; Using filesort
1 SIMPLE t3 index PRIMARY,a,b PRIMARY 8 NULL 2 Using index; Using join buffer
1 SIMPLE t3 index PRIMARY,a,b PRIMARY 8 NULL 2 Using index; Using join buffer (flat, BNL join)
1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 2 Range checked for each record (index map: 0x1)
DROP TABLE t1,t2,t3;
CREATE TABLE t1 (a int, INDEX idx(a));
......@@ -2738,7 +2738,7 @@ ALTER TABLE t1 ENABLE KEYS;
EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index b b 5 NULL 2 Using index
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where; Using join buffer
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
a b a b
1 NULL 1 1
......@@ -2748,7 +2748,7 @@ a b a b
EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index b b 5 NULL 2 Using index
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where; Using join buffer
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
a b a b
1 NULL 1 1
......@@ -2910,11 +2910,11 @@ a
EXPLAIN SELECT t1.a FROM t1 STRAIGHT_JOIN t2 ON t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where; Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
EXPLAIN SELECT t1.a FROM t1 INNER JOIN t2 ON t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 3
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where; Using join buffer
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join)
DROP TABLE t1,t2;
select x'10' + 0, X'10' + 0, b'10' + 0, B'10' + 0;
x'10' + 0 X'10' + 0 b'10' + 0 B'10' + 0
......@@ -3562,19 +3562,19 @@ EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk < 'c' AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 3 Using index condition; Using MRR
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 3 Using index condition; Using where; Using MRR
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk BETWEEN 'a' AND 'b' AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using MRR
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where; Using MRR
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk IN ('a','b') AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using MRR
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where; Using MRR
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
DROP TABLE t1,t2;
CREATE TABLE t1 (a int, b varchar(20) NOT NULL, PRIMARY KEY(a));
......@@ -3608,7 +3608,7 @@ WHERE t1.id = 8 AND t2.i BETWEEN t1.b AND t1.e AND
t3.a=t2.a AND t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si si 5 NULL 4 Using index condition; Using MRR
1 SIMPLE t2 range si si 5 NULL 4 Using index condition; Using where; Using MRR
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
......@@ -3616,7 +3616,7 @@ WHERE t1.id = 8 AND t2.i BETWEEN t1.b AND t1.e AND
t3.a=t2.a AND t3.c IN ('bb','ee') ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si,ai si 5 NULL 4 Using index condition; Using MRR
1 SIMPLE t2 range si,ai si 5 NULL 4 Using index condition; Using where; Using MRR
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2 FORCE INDEX (si),t3
......@@ -3624,7 +3624,7 @@ WHERE t1.id = 8 AND (t2.i=t1.b OR t2.i=t1.e) AND t3.a=t2.a AND
t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si si 5 NULL 2 Using index condition; Using MRR
1 SIMPLE t2 range si si 5 NULL 2 Using index condition; Using where; Using MRR
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
......@@ -3632,7 +3632,7 @@ WHERE t1.id = 8 AND (t2.i=t1.b OR t2.i=t1.e) AND t3.a=t2.a AND
t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si,ai si 5 NULL 2 Using index condition; Using MRR
1 SIMPLE t2 range si,ai si 5 NULL 2 Using index condition; Using where; Using MRR
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
DROP TABLE t1,t2,t3;
CREATE TABLE t1 ( f1 int primary key, f2 int, f3 int, f4 int, f5 int, f6 int, checked_out int);
......
mysql-test/r/select_jcl6.result
View file @ 517fc164
This diff is collapsed.
mysql-test/r/select_pkeycache.result
View file @ 517fc164
......@@ -1431,7 +1431,7 @@ companynr companynr
explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer (flat, BNL join)
select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008;
fld1 companynr fld3 period
038008 37 reporters 1008
......@@ -2363,7 +2363,7 @@ insert into t2 values (1,3), (2,3), (3,4), (4,4);
explain select * from t1 left join t2 on a=c where d in (4);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref c,d d 5 const 2
1 SIMPLE t1 ALL a NULL NULL NULL 4 Using where; Using join buffer
1 SIMPLE t1 ALL a NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
select * from t1 left join t2 on a=c where d in (4);
a b c d
3 2 3 4
......@@ -2371,7 +2371,7 @@ a b c d
explain select * from t1 left join t2 on a=c where d = 4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref c,d d 5 const 2
1 SIMPLE t1 ALL a NULL NULL NULL 4 Using where; Using join buffer
1 SIMPLE t1 ALL a NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
select * from t1 left join t2 on a=c where d = 4;
a b c d
3 2 3 4
......@@ -2717,7 +2717,7 @@ where (t1.c=t2.a or (t1.c=t3.a and t2.a=t3.b)) and t1.b=556476786 and
t2.b like '%%' order by t2.b limit 0,1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref b,c b 5 const 1 Using temporary; Using filesort
1 SIMPLE t3 index PRIMARY,a,b PRIMARY 8 NULL 2 Using index; Using join buffer
1 SIMPLE t3 index PRIMARY,a,b PRIMARY 8 NULL 2 Using index; Using join buffer (flat, BNL join)
1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 2 Range checked for each record (index map: 0x1)
DROP TABLE t1,t2,t3;
CREATE TABLE t1 (a int, INDEX idx(a));
......@@ -2738,7 +2738,7 @@ ALTER TABLE t1 ENABLE KEYS;
EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index b b 5 NULL 2 Using index
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where; Using join buffer
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
a b a b
1 NULL 1 1
......@@ -2748,7 +2748,7 @@ a b a b
EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index b b 5 NULL 2 Using index
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where; Using join buffer
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
a b a b
1 NULL 1 1
......@@ -2910,11 +2910,11 @@ a
EXPLAIN SELECT t1.a FROM t1 STRAIGHT_JOIN t2 ON t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where; Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
EXPLAIN SELECT t1.a FROM t1 INNER JOIN t2 ON t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 3
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where; Using join buffer
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join)
DROP TABLE t1,t2;
select x'10' + 0, X'10' + 0, b'10' + 0, B'10' + 0;
x'10' + 0 X'10' + 0 b'10' + 0 B'10' + 0
......@@ -3562,19 +3562,19 @@ EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk < 'c' AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 3 Using index condition; Using MRR
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 3 Using index condition; Using where; Using MRR
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk BETWEEN 'a' AND 'b' AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using MRR
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where; Using MRR
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk IN ('a','b') AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using MRR
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where; Using MRR
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
DROP TABLE t1,t2;
CREATE TABLE t1 (a int, b varchar(20) NOT NULL, PRIMARY KEY(a));
......@@ -3608,7 +3608,7 @@ WHERE t1.id = 8 AND t2.i BETWEEN t1.b AND t1.e AND
t3.a=t2.a AND t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si si 5 NULL 4 Using index condition; Using MRR
1 SIMPLE t2 range si si 5 NULL 4 Using index condition; Using where; Using MRR
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
......@@ -3616,7 +3616,7 @@ WHERE t1.id = 8 AND t2.i BETWEEN t1.b AND t1.e AND
t3.a=t2.a AND t3.c IN ('bb','ee') ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si,ai si 5 NULL 4 Using index condition; Using MRR
1 SIMPLE t2 range si,ai si 5 NULL 4 Using index condition; Using where; Using MRR
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2 FORCE INDEX (si),t3
......@@ -3624,7 +3624,7 @@ WHERE t1.id = 8 AND (t2.i=t1.b OR t2.i=t1.e) AND t3.a=t2.a AND
t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si si 5 NULL 2 Using index condition; Using MRR
1 SIMPLE t2 range si si 5 NULL 2 Using index condition; Using where; Using MRR
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
......@@ -3632,7 +3632,7 @@ WHERE t1.id = 8 AND (t2.i=t1.b OR t2.i=t1.e) AND t3.a=t2.a AND
t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si,ai si 5 NULL 2 Using index condition; Using MRR
1 SIMPLE t2 range si,ai si 5 NULL 2 Using index condition; Using where; Using MRR
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
DROP TABLE t1,t2,t3;
CREATE TABLE t1 ( f1 int primary key, f2 int, f3 int, f4 int, f5 int, f6 int, checked_out int);
......
mysql-test/r/select_safe.result
View file @ 517fc164
......@@ -66,12 +66,12 @@ test.t1 analyze status OK
insert into t1 values (null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a");
explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL b NULL NULL NULL 21
1 SIMPLE t1 ALL b NULL NULL NULL 21 Using where
1 SIMPLE t2 ref b b 21 test.t1.b 6
set MAX_SEEKS_FOR_KEY=1;
explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL b NULL NULL NULL 21
1 SIMPLE t1 ALL b NULL NULL NULL 21 Using where
1 SIMPLE t2 ref b b 21 test.t1.b 6
SET MAX_SEEKS_FOR_KEY=DEFAULT;
drop table t1;
......
mysql-test/r/ssl.result
View file @ 517fc164
......@@ -1432,7 +1432,7 @@ companynr companynr
explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer (flat, BNL join)
select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008;
fld1 companynr fld3 period
038008 37 reporters 1008
......
mysql-test/r/ssl_compress.result
View file @ 517fc164
......@@ -1435,7 +1435,7 @@ companynr companynr
explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Using join buffer (flat, BNL join)
select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008;
fld1 companynr fld3 period
038008 37 reporters 1008
......
mysql-test/r/subselect.result
View file @ 517fc164
......@@ -907,7 +907,7 @@ explain extended SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) F
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3;
......@@ -1297,7 +1297,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 4 75.00 Using where; Using index; Using join buffer
1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 4 75.00 Using where; Using index; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`)
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
......@@ -1307,7 +1307,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
......@@ -1317,7 +1317,7 @@ a
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t3`.`a` = `test`.`t1`.`b`))
......@@ -1339,7 +1339,7 @@ a
4
explain extended select * from t2 where t2.a in (select a from t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using index
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where (`test`.`t1`.`a` = `test`.`t2`.`a`)
......@@ -1349,7 +1349,7 @@ a
4
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using index
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30))
......@@ -1359,8 +1359,8 @@ a
3
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using index
1 PRIMARY t3 index a a 5 NULL 3 100.00 Using index
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index
1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.61 Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`))
......@@ -1376,7 +1376,7 @@ a
4
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using index
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30))
......@@ -4203,7 +4203,7 @@ CREATE INDEX I1 ON t1 (a);
CREATE INDEX I2 ON t1 (b);
EXPLAIN SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index I1 I1 2 NULL 2 Using index; LooseScan
1 PRIMARY t1 index I1 I1 2 NULL 2 Using where; Using index; LooseScan
1 PRIMARY t1 ref I2 I2 13 test.t1.a 2 Using index condition
SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1);
a b
......@@ -4213,7 +4213,7 @@ CREATE INDEX I1 ON t2 (a);
CREATE INDEX I2 ON t2 (b);
EXPLAIN SELECT a,b FROM t2 WHERE b IN (SELECT a FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index I1 I1 4 NULL 2 Using index; LooseScan
1 PRIMARY t2 index I1 I1 4 NULL 2 Using where; Using index; LooseScan
1 PRIMARY t2 ref I2 I2 13 test.t2.a 2 Using index condition
SELECT a,b FROM t2 WHERE b IN (SELECT a FROM t2);
a b
......
mysql-test/r/subselect3.result
View file @ 517fc164
This diff is collapsed.
mysql-test/r/subselect3_jcl6.result
View file @ 517fc164
This diff is collapsed.
mysql-test/r/subselect4.result
View file @ 517fc164
......@@ -51,7 +51,7 @@ FROM t3 WHERE 1 = 0 GROUP BY 1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 DEPENDENT SUBQUERY t1 index NULL PRIMARY 4 NULL 2 Using index
2 DEPENDENT SUBQUERY t2 index b b 5 NULL 2 Using where; Using index; Using join buffer
2 DEPENDENT SUBQUERY t2 index b b 5 NULL 2 Using where; Using index; Using join buffer (flat, BNL join)
# should return 0 rows
SELECT
(SELECT 1 FROM t1,t2 WHERE t2.b > t3.b)
......@@ -261,7 +261,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5
1 PRIMARY subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
PREPARE stmt FROM "EXPLAIN SELECT EMPNAME
FROM t1
WHERE EMPNUM IN
......@@ -276,13 +276,13 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5
1 PRIMARY subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
EXECUTE stmt;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5
1 SIMPLE subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
DEALLOCATE PREPARE stmt;
DROP INDEX t1_IDX ON t1;
CREATE INDEX t1_IDX ON t1(EMPNUM);
......@@ -299,7 +299,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5
1 PRIMARY subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
PREPARE stmt FROM "EXPLAIN SELECT EMPNAME
FROM t1
WHERE EMPNUM IN
......@@ -314,13 +314,13 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5
1 PRIMARY subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
EXECUTE stmt;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5
1 SIMPLE subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
DEALLOCATE PREPARE stmt;
DROP INDEX t1_IDX ON t1;
EXPLAIN SELECT EMPNAME
......@@ -336,7 +336,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 5
1 PRIMARY subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
PREPARE stmt FROM "EXPLAIN SELECT EMPNAME
FROM t1
WHERE EMPNUM IN
......@@ -351,13 +351,13 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 5
1 PRIMARY subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
EXECUTE stmt;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
1 SIMPLE subselect2 eq_ref unique_key unique_key 3 func 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 6 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
2 SUBQUERY t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
DEALLOCATE PREPARE stmt;
SET SESSION optimizer_switch = @old_optimizer_switch;
SET SESSION join_cache_level = @old_join_cache_level;
......
mysql-test/r/subselect_mat.result
View file @ 517fc164
......@@ -423,7 +423,7 @@ where (c1, c2) in (select b1, b2 from t2i where b2 > '0')) and
a1 = c1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
1 PRIMARY t3 ALL NULL NULL NULL NULL 4 100.00 Using where; Using join buffer
1 PRIMARY t3 ALL NULL NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join)
4 SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
5 SUBQUERY t2i index it2i2 it2i3 18 NULL 5 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
......@@ -659,7 +659,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where
3 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join)
4 SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><concat(`test`.`t1`.`a1`,'x')>(<in_optimizer>(concat(`test`.`t1`.`a1`,'x'),<exists>(select 1 from `test`.`t1_16` where (<expr_cache><`test`.`t1_16`.`a2`,`test`.`t1_16`.`a1`>(<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` join `test`.`t2` where ((`test`.`t2`.`b2` = substr(`test`.`t2_16`.`b2`,1,6)) and <expr_cache><`test`.`t2`.`b1`>(<in_optimizer>(`test`.`t2`.`b1`,`test`.`t2`.`b1` in ( <materialize> (select `test`.`t3`.`c1` from `test`.`t3` where (`test`.`t3`.`c2` > '0') ), <primary_index_lookup>(`test`.`t2`.`b1` in <temporary table> on distinct_key where ((`test`.`t2`.`b1` = `materialized subselect`.`c1`)))))) and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`) and (<cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`))))) and (<cache>(concat(`test`.`t1`.`a1`,'x')) = left(`test`.`t1_16`.`a1`,8))))))
......@@ -1191,7 +1191,7 @@ SET @@optimizer_switch='default,semijoin=on,materialization=on';
EXPLAIN SELECT COUNT(*) FROM t1 WHERE (f1,f2) IN (SELECT f1,f2 FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 2
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where; Using join buffer
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2
SELECT COUNT(*) FROM t1 WHERE (f1,f2) IN (SELECT f1,f2 FROM t2);
COUNT(*)
......
mysql-test/r/subselect_no_mat.result
View file @ 517fc164
......@@ -911,7 +911,7 @@ explain extended SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) F
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3;
......@@ -1301,7 +1301,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 4 75.00 Using where; Using index; Using join buffer
1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 4 75.00 Using where; Using index; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`)
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
......@@ -1311,7 +1311,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
......@@ -1321,7 +1321,7 @@ a
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t3`.`a` = `test`.`t1`.`b`))
......@@ -1343,7 +1343,7 @@ a
4
explain extended select * from t2 where t2.a in (select a from t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using index
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where (`test`.`t1`.`a` = `test`.`t2`.`a`)
......@@ -1353,7 +1353,7 @@ a
4
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using index
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30))
......@@ -1363,8 +1363,8 @@ a
3
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using index
1 PRIMARY t3 index a a 5 NULL 3 100.00 Using index
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index
1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.61 Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`))
......@@ -1380,7 +1380,7 @@ a
4
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using index
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30))
......@@ -4207,7 +4207,7 @@ CREATE INDEX I1 ON t1 (a);
CREATE INDEX I2 ON t1 (b);
EXPLAIN SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index I1 I1 2 NULL 2 Using index; LooseScan
1 PRIMARY t1 index I1 I1 2 NULL 2 Using where; Using index; LooseScan
1 PRIMARY t1 ref I2 I2 13 test.t1.a 2 Using index condition
SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1);
a b
......@@ -4217,7 +4217,7 @@ CREATE INDEX I1 ON t2 (a);
CREATE INDEX I2 ON t2 (b);
EXPLAIN SELECT a,b FROM t2 WHERE b IN (SELECT a FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index I1 I1 4 NULL 2 Using index; LooseScan
1 PRIMARY t2 index I1 I1 4 NULL 2 Using where; Using index; LooseScan
1 PRIMARY t2 ref I2 I2 13 test.t2.a 2 Using index condition
SELECT a,b FROM t2 WHERE b IN (SELECT a FROM t2);
a b
......
mysql-test/r/subselect_no_opts.result
View file @ 517fc164
......@@ -908,7 +908,7 @@ explain extended SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) F
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3;
......@@ -1318,7 +1318,7 @@ a
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 func 1 100.00
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 func 1 100.00 Using where
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))))
......@@ -1362,7 +1362,7 @@ explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 ref a a 5 func 1001 100.00 Using index
2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 100.00 Using where; Using index; Using join buffer
2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 100.00 Using where; Using index; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))))
insert into t1 values (3,31);
......
mysql-test/r/subselect_no_semijoin.result
View file @ 517fc164
......@@ -908,7 +908,7 @@ explain extended SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) F
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3;
......@@ -1319,7 +1319,7 @@ explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index
2 SUBQUERY t3 index PRIMARY PRIMARY 4 NULL 3 100.00 Using index
2 SUBQUERY t1 ALL NULL NULL NULL NULL 4 100.00 Using where; Using join buffer
2 SUBQUERY t1 ALL NULL NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where (`test`.`t1`.`b` = `test`.`t3`.`a`) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`))))))
drop table t1, t2, t3;
......@@ -1362,7 +1362,7 @@ explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 SUBQUERY t3 index a a 5 NULL 3 100.00 Using index
2 SUBQUERY t1 index NULL a 10 NULL 10004 100.00 Using where; Using index; Using join buffer
2 SUBQUERY t1 index NULL a 10 NULL 10004 100.00 Using where; Using index; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where (`test`.`t1`.`b` = `test`.`t3`.`a`) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`))))))
insert into t1 values (3,31);
......
mysql-test/r/subselect_sj.result
View file @ 517fc164
This diff is collapsed.
mysql-test/r/subselect_sj2.result
View file @ 517fc164
......@@ -34,7 +34,7 @@ explain select * from t2 where b in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 3
1 PRIMARY t2 ref b b 5 test.t1.a 2
2 SUBQUERY t1 ALL NULL NULL NULL NULL 3
2 SUBQUERY t1 ALL NULL NULL NULL NULL 3 Using where
select * from t2 where b in (select a from t1);
a b
1 1
......@@ -76,7 +76,7 @@ explain select * from t3 where b in (select a from t0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 10
1 PRIMARY t3 ref b b 5 test.t0.a 1
2 SUBQUERY t0 ALL NULL NULL NULL NULL 10
2 SUBQUERY t0 ALL NULL NULL NULL NULL 10 Using where
set @save_ecp= @@engine_condition_pushdown;
set engine_condition_pushdown=0;
select * from t3 where b in (select A.a+B.a from t0 A, t0 B where B.a<5);
......@@ -130,7 +130,7 @@ a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 22
1 PRIMARY ot ALL NULL NULL NULL NULL 32 Using where; Using join buffer
1 PRIMARY ot ALL NULL NULL NULL NULL 32 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY it ALL NULL NULL NULL NULL 22
select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
......@@ -198,7 +198,7 @@ a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 22
1 PRIMARY ot ALL NULL NULL NULL NULL 52 Using where; Using join buffer
1 PRIMARY ot ALL NULL NULL NULL NULL 52 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY it ALL NULL NULL NULL NULL 22
select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
......@@ -272,8 +272,8 @@ from t0 where a in
(select t2.a+t3.a from t1 left join (t2 join t3) on t2.a=t1.a and t3.a=t1.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t0 ALL NULL NULL NULL NULL 10 Start temporary
1 PRIMARY t1 index NULL a 5 NULL 10 Using index; Using join buffer
1 PRIMARY t2 ref a a 5 test.t1.a 1 Using index
1 PRIMARY t1 index NULL a 5 NULL 10 Using index; Using join buffer (flat, BNL join)
1 PRIMARY t2 ref a a 5 test.t1.a 1 Using where; Using index
1 PRIMARY t3 ref a a 5 test.t1.a 1 Using where; Using index; End temporary
drop table t0, t1,t2,t3;
CREATE TABLE t1 (
......@@ -425,7 +425,7 @@ explain extended select * from t0
where t0.a in ( select t1.a from t1,t2 where t2.a=t0.a and
t1.b=t2.b);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t0 ALL NULL NULL NULL NULL 5 100.00
1 PRIMARY t0 ALL NULL NULL NULL NULL 5 100.00 Using where
1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Start temporary
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t0.a 1 100.00 Using where; End temporary
Warnings:
......
mysql-test/r/subselect_sj2_jcl6.result
View file @ 517fc164
set @save_optimizer_switch_jcl6=@@optimizer_switch;
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set join_cache_level=6;
show variables like 'join_cache_level';
Variable_name Value
......@@ -37,8 +40,8 @@ a b
explain select * from t2 where b in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 3
1 PRIMARY t2 ref b b 5 test.t1.a 2 Using join buffer
2 SUBQUERY t1 ALL NULL NULL NULL NULL 3
1 PRIMARY t2 ref b b 5 test.t1.a 2 Using join buffer (flat, BKA join)
2 SUBQUERY t1 ALL NULL NULL NULL NULL 3 Using where
select * from t2 where b in (select a from t1);
a b
1 1
......@@ -56,7 +59,7 @@ insert into t3 select a,a, a,a,a from t0;
explain select * from t3 where b in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL b NULL NULL NULL 10
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where; FirstMatch(t3); Using join buffer
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where; FirstMatch(t3); Using join buffer (flat, BNL join)
select * from t3 where b in (select a from t1);
a b pk1 pk2 pk3
1 1 1 1 1
......@@ -79,8 +82,8 @@ from t0 A, t0 B where B.a <5;
explain select * from t3 where b in (select a from t0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 10
1 PRIMARY t3 ref b b 5 test.t0.a 1 Using join buffer
2 SUBQUERY t0 ALL NULL NULL NULL NULL 10
1 PRIMARY t3 ref b b 5 test.t0.a 1 Using join buffer (flat, BKA join)
2 SUBQUERY t0 ALL NULL NULL NULL NULL 10 Using where
set @save_ecp= @@engine_condition_pushdown;
set engine_condition_pushdown=0;
select * from t3 where b in (select A.a+B.a from t0 A, t0 B where B.a<5);
......@@ -134,7 +137,7 @@ a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 22
1 PRIMARY ot ALL NULL NULL NULL NULL 32 Using where; Using join buffer
1 PRIMARY ot ALL NULL NULL NULL NULL 32 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY it ALL NULL NULL NULL NULL 22
select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
......@@ -202,7 +205,7 @@ a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
from t1 ot where a in (select a from t2 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 22
1 PRIMARY ot ALL NULL NULL NULL NULL 52 Using where; Using join buffer
1 PRIMARY ot ALL NULL NULL NULL NULL 52 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY it ALL NULL NULL NULL NULL 22
select
a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
......@@ -276,8 +279,8 @@ from t0 where a in
(select t2.a+t3.a from t1 left join (t2 join t3) on t2.a=t1.a and t3.a=t1.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t0 ALL NULL NULL NULL NULL 10 Start temporary
1 PRIMARY t1 index NULL a 5 NULL 10 Using index; Using join buffer
1 PRIMARY t2 ref a a 5 test.t1.a 1 Using index
1 PRIMARY t1 index NULL a 5 NULL 10 Using index; Using join buffer (flat, BNL join)
1 PRIMARY t2 ref a a 5 test.t1.a 1 Using where; Using index
1 PRIMARY t3 ref a a 5 test.t1.a 1 Using where; Using index; End temporary
drop table t0, t1,t2,t3;
CREATE TABLE t1 (
......@@ -315,8 +318,8 @@ WHERE Language='English' AND Percentage > 10 AND
t2.Population > 100000);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range Population,Country Population 4 NULL 1 Using index condition; Using MRR
1 PRIMARY t3 eq_ref PRIMARY,Percentage PRIMARY 33 test.t1.Country,const 1 Using index condition; Using where; Using join buffer
1 PRIMARY t2 eq_ref PRIMARY,Population PRIMARY 3 test.t3.Country 1 Using index condition(BKA); Using where; Using join buffer
1 PRIMARY t3 eq_ref PRIMARY,Percentage PRIMARY 33 test.t1.Country,const 1 Using index condition; Using where; Using join buffer (flat, BKA join)
1 PRIMARY t2 eq_ref PRIMARY,Population PRIMARY 3 test.t3.Country 1 Using index condition(BKA); Using where; Using join buffer (incremental, BKA join)
DROP TABLE t1,t2,t3;
CREATE TABLE t1 (
Code char(3) NOT NULL DEFAULT '',
......@@ -429,9 +432,9 @@ explain extended select * from t0
where t0.a in ( select t1.a from t1,t2 where t2.a=t0.a and
t1.b=t2.b);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t0 ALL NULL NULL NULL NULL 5 100.00 Start temporary
1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Using join buffer
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t0.a 1 100.00 Using where; End temporary; Using join buffer
1 PRIMARY t0 ALL NULL NULL NULL NULL 5 100.00 Using where; Start temporary
1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Using join buffer (flat, BKA join)
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t0.a 1 100.00 Using where; End temporary; Using join buffer (incremental, BKA join)
Warnings:
Note 1276 Field or reference 'test.t0.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t0`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) join `test`.`t0` where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t1`.`a` = `test`.`t0`.`a`) and (`test`.`t2`.`a` = `test`.`t0`.`a`))
......@@ -584,7 +587,7 @@ explain
select * from t1 left join t2 on (t2.a= t1.a and t2.a in (select pk from t3));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
1 PRIMARY t2 ALL NULL NULL NULL NULL 3 Using where; Using join buffer
1 PRIMARY t2 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t3 unique_subquery PRIMARY PRIMARY 4 func 1 Using index
drop table t0, t1, t2, t3;
create table t1 (a int);
......@@ -725,11 +728,12 @@ c2 in (select 1 from t3, t2) and
c1 in (select convert(c6,char(1)) from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using where
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using join buffer
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using where; Using join buffer
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 FirstMatch(t2); Using join buffer
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using where; Using join buffer (incremental, BNL join)
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 FirstMatch(t2); Using join buffer (incremental, BNL join)
drop table t2, t3;
set join_cache_level=default;
show variables like 'join_cache_level';
Variable_name Value
join_cache_level 1
set @@optimizer_switch=@save_optimizer_switch_jcl6;
mysql-test/r/subselect_sj_jcl6.result
View file @ 517fc164
This diff is collapsed.
mysql-test/r/table_elim.result
View file @ 517fc164
......@@ -26,17 +26,17 @@ a
explain select * from t1 left join t2 on t2.a=t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using where
# This will not be eliminated as t2.b is in in order list:
explain select t1.a from t1 left join t2 on t2.a=t1.a order by t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using where
# This will not be eliminated as t2.b is in group list:
explain select t1.a from t1 left join t2 on t2.a=t1.a group by t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using where
# This will not be eliminated as t2.b is in the WHERE
explain select t1.a from t1 left join t2 on t2.a=t1.a where t2.b < 3 or t2.b is null;
id select_type table type possible_keys key key_len ref rows Extra
......@@ -75,7 +75,7 @@ This must not use elimination:
explain select count(1) from t1 left join t2 on t2.a=t1.a group by t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using index
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using where; Using index
drop table t0, t1, t2, t3;
create table t0 ( id integer, primary key (id));
create table t1 (
......@@ -128,7 +128,7 @@ Note 1003 select `f`.`id` AS `id` from `test`.`t0` `f` where (`f`.`id` in (1,2,3
This should use facts and a1 tables:
explain extended select id from v1 where attr1 between 12 and 14;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY a1 range PRIMARY,attr1 attr1 5 NULL 2 100.00 Using index condition; Using MRR
1 PRIMARY a1 range PRIMARY,attr1 attr1 5 NULL 2 100.00 Using index condition; Using where; Using MRR
1 PRIMARY f eq_ref PRIMARY PRIMARY 4 test.a1.id 1 100.00 Using index
Warnings:
Note 1276 Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #1
......@@ -156,7 +156,7 @@ Note 1003 select `f`.`id` AS `id` from `test`.`t0` `f` where (`f`.`id` in (1,2,3
This should use facts and a1 tables:
explain extended select id from v2 where attr1 between 12 and 14;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY a1 range PRIMARY,attr1 attr1 5 NULL 2 100.00 Using index condition; Using MRR
1 PRIMARY a1 range PRIMARY,attr1 attr1 5 NULL 2 100.00 Using index condition; Using where; Using MRR
1 PRIMARY f eq_ref PRIMARY PRIMARY 4 test.a1.id 1 100.00 Using index
Warnings:
Note 1276 Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #1
......@@ -164,7 +164,7 @@ Note 1003 select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t1` `a1` whe
This should use facts, a2 and its subquery:
explain extended select id from v2 where attr2 between 12 and 14;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY a2 range PRIMARY,attr2 attr2 5 NULL 5 100.00 Using index condition; Using MRR
1 PRIMARY a2 range PRIMARY,attr2 attr2 5 NULL 5 100.00 Using index condition; Using where; Using MRR
1 PRIMARY f eq_ref PRIMARY PRIMARY 4 test.a2.id 1 100.00 Using where; Using index
3 DEPENDENT SUBQUERY t2 ref PRIMARY PRIMARY 4 test.f.id 2 100.00 Using index
Warnings:
......@@ -217,7 +217,7 @@ explain
select t1.*, t2.* from t1 left join (t2 left join t3 on t3.pk=t2.col) on t2.pk=t1.col;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.col 1
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.col 1 Using where
explain select t1.*
from
t1 left join ( t2 left join t3 on t3.pk=t2.col or t3.pk=t2.col)
......@@ -232,7 +232,7 @@ t1 left join
on t2.pk=t1.col or t2.pk=t1.col;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.col 1
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.col 1 Using where
drop table t1, t2, t3;
#
# Check things that look like functional dependencies but really are not
......
mysql-test/r/table_elim_debug.result
View file @ 517fc164
......@@ -10,7 +10,7 @@ set optimizer_switch='table_elimination=off';
explain select t1.a from t1 left join t2 on t2.a=t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using index
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using where; Using index
set optimizer_switch='table_elimination=on';
explain select t1.a from t1 left join t2 on t2.a=t1.a;
id select_type table type possible_keys key key_len ref rows Extra
......
mysql-test/r/union.result
View file @ 517fc164
......@@ -542,7 +542,7 @@ explain (select * from t1 where a=1 and b=10) union (select straight_join t1.a,t
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 UNION t1 index PRIMARY PRIMARY 4 NULL 4 Using index
2 UNION t2 index PRIMARY PRIMARY 4 NULL 4 Using where; Using index; Using join buffer
2 UNION t2 index PRIMARY PRIMARY 4 NULL 4 Using where; Using index; Using join buffer (flat, BNL join)
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL
explain (select * from t1 where a=1) union (select * from t1 where b=1);
id select_type table type possible_keys key key_len ref rows Extra
......
mysql-test/r/view.result
View file @ 517fc164
......@@ -2341,16 +2341,16 @@ CREATE VIEW v1 AS SELECT t1.* FROM t1,t2 WHERE t1.a=t2.a AND t1.b=t2.b;
CREATE VIEW v2 AS SELECT t3.* FROM t1,t3 WHERE t1.a=t3.a;
EXPLAIN SELECT t1.* FROM t1 JOIN t2 WHERE t1.a=t2.a AND t1.b=t2.b AND t1.a=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 5 const 1 Using index
1 SIMPLE t1 ref a a 5 const 1 Using where; Using index
1 SIMPLE t2 ref a a 10 const,test.t1.b 1 Using index
EXPLAIN SELECT * FROM v1 WHERE a=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 5 const 1 Using index
1 SIMPLE t1 ref a a 5 const 1 Using where; Using index
1 SIMPLE t2 ref a a 10 const,test.t1.b 1 Using index
EXPLAIN SELECT * FROM v2 WHERE a=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 5 const 1 Using index
1 SIMPLE t3 ALL NULL NULL NULL NULL 3 Using where; Using join buffer
1 SIMPLE t3 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
DROP VIEW v1,v2;
DROP TABLE t1,t2,t3;
create table t1 (f1 int);
......
mysql-test/suite/innodb/r/innodb_gis.result
View file @ 517fc164
......@@ -403,7 +403,7 @@ Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r
FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,overlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,disjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,intersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `test`.`g1`.`fid`,`test`.`g2`.`fid`
DROP TABLE gis_point, gis_line, gis_polygon, gis_multi_point, gis_multi_line, gis_multi_polygon, gis_geometrycollection, gis_geometry;
......
mysql-test/suite/innodb/r/innodb_mysql.result
View file @ 517fc164
......@@ -187,7 +187,7 @@ min(7)
explain select min(7) from t2i join t1i;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
select min(7) from t2i join t1i;
min(7)
NULL
......@@ -203,7 +203,7 @@ max(7)
explain select max(7) from t2i join t1i;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
select max(7) from t2i join t1i;
max(7)
NULL
......@@ -2611,3 +2611,59 @@ Extra Using index
DROP TABLE t1;
#
End of 5.1 tests
#
# Bug #663818: wrong result when BNLH is used
#
CREATE TABLE t1(pk int NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES
(1), (2), (11), (12), (13), (14),
(15), (16), (17), (18), (19);
CREATE TABLE t2(pk int NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t2 VALUES
(1), (10), (11), (12), (13), (14),
(15), (16), (17), (18), (19), (20), (21);
SET SESSION join_buffer_size=10000;
SET SESSION join_cache_level=3;
EXPLAIN
SELECT t1.pk FROM t1,t2
WHERE t1.pk = t2.pk AND t2.pk <> 8;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index PRIMARY PRIMARY 4 NULL 11 Using where; Using index
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.pk 1 Using index; Using join buffer (flat, BNLH join)
SELECT t1.pk FROM t1,t2
WHERE t1.pk = t2.pk AND t2.pk <> 8;
pk
1
11
12
13
14
15
16
17
18
19
SET SESSION join_cache_level=1;
EXPLAIN
SELECT t1.pk FROM t1,t2
WHERE t1.pk = t2.pk AND t2.pk <> 8;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index PRIMARY PRIMARY 4 NULL 11 Using where; Using index
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.pk 1 Using index
SELECT t1.pk FROM t1,t2
WHERE t1.pk = t2.pk AND t2.pk <> 8;
pk
1
11
12
13
14
15
16
17
18
19
DROP TABLE t1,t2;
SET SESSION join_cache_level=DEFAULT;
SET SESSION join_buffer_size=DEFAULT;
End of 5.3 tests
mysql-test/suite/innodb/t/innodb_mysql.test
View file @ 517fc164
......@@ -844,3 +844,39 @@ DROP TABLE t1;
--echo End of 5.1 tests
--echo #
--echo # Bug #663818: wrong result when BNLH is used
--echo #
CREATE TABLE t1(pk int NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES
(1), (2), (11), (12), (13), (14),
(15), (16), (17), (18), (19);
CREATE TABLE t2(pk int NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t2 VALUES
(1), (10), (11), (12), (13), (14),
(15), (16), (17), (18), (19), (20), (21);
SET SESSION join_buffer_size=10000;
SET SESSION join_cache_level=3;
EXPLAIN
SELECT t1.pk FROM t1,t2
WHERE t1.pk = t2.pk AND t2.pk <> 8;
SELECT t1.pk FROM t1,t2
WHERE t1.pk = t2.pk AND t2.pk <> 8;
SET SESSION join_cache_level=1;
EXPLAIN
SELECT t1.pk FROM t1,t2
WHERE t1.pk = t2.pk AND t2.pk <> 8;
SELECT t1.pk FROM t1,t2
WHERE t1.pk = t2.pk AND t2.pk <> 8;
DROP TABLE t1,t2;
SET SESSION join_cache_level=DEFAULT;
SET SESSION join_buffer_size=DEFAULT;
--echo End of 5.3 tests
mysql-test/suite/innodb_plugin/r/innodb_gis.result
View file @ 517fc164
......@@ -403,7 +403,7 @@ Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r
FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,overlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,disjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,intersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `test`.`g1`.`fid`,`test`.`g2`.`fid`
DROP TABLE gis_point, gis_line, gis_polygon, gis_multi_point, gis_multi_line, gis_multi_polygon, gis_geometrycollection, gis_geometry;
......
mysql-test/suite/innodb_plugin/r/innodb_mysql.result
View file @ 517fc164
......@@ -187,7 +187,7 @@ min(7)
explain select min(7) from t2i join t1i;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
select min(7) from t2i join t1i;
min(7)
NULL
......@@ -203,7 +203,7 @@ max(7)
explain select max(7) from t2i join t1i;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
select max(7) from t2i join t1i;
max(7)
NULL
......
mysql-test/suite/maria/r/maria.result
View file @ 517fc164
......@@ -381,7 +381,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 4 test.t2.a 3
explain select * from t1,t2 where t1.b=t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL b NULL NULL NULL 2
1 SIMPLE t2 ALL b NULL NULL NULL 2 Using where
1 SIMPLE t1 ref b b 5 test.t2.b 1
explain select * from t1,t2 force index(c) where t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
......
mysql-test/suite/pbxt/r/derived.result
View file @ 517fc164
......@@ -58,7 +58,7 @@ a b a b
explain select * from t1 as x1, (select * from t1) as x2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY x1 ALL NULL NULL NULL NULL 4
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 Using join buffer
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 4
drop table if exists t2,t3;
select * from (select 1) as a;
......@@ -115,7 +115,7 @@ explain select * from (select t1.*, t2.a as t2a from t1,t2 where t1.a=t2.a) t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
2 DERIVED t2 ALL NULL NULL NULL NULL 1
2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using where; Using join buffer
2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
drop table t1, t2;
create table t1(a int not null, t char(8), index(a));
SELECT * FROM (SELECT * FROM t1) as b ORDER BY a ASC LIMIT 0,20;
......@@ -143,7 +143,7 @@ a t
explain select count(*) from t1 as tt1, (select * from t1) as tt2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY tt1 index NULL a 4 NULL 10000 Using index
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 10000 Using join buffer
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 10000 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 10000
drop table t1;
SELECT * FROM (SELECT (SELECT * FROM (SELECT 1 as a) as a )) as b;
......@@ -190,13 +190,13 @@ pla_id test
explain SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY m2 ALL NULL NULL NULL NULL 9
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer (flat, BNL join)
2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort
2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1
explain SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY m2 ALL NULL NULL NULL NULL 9
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer (flat, BNL join)
2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort
2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1
drop table t1,t2;
......@@ -250,7 +250,7 @@ a a
explain select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
1 PRIMARY <derived4> ALL NULL NULL NULL NULL 2 Using join buffer
1 PRIMARY <derived4> ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
4 DERIVED t1 ALL NULL NULL NULL NULL 2
5 UNION t1 ALL NULL NULL NULL NULL 2
NULL UNION RESULT <union4,5> ALL NULL NULL NULL NULL NULL
......@@ -317,7 +317,7 @@ explain SELECT s.name, AVG(s.val) AS median FROM (SELECT x.name, x.val FROM t1 x
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 3 Using temporary; Using filesort
2 DERIVED x ALL NULL NULL NULL NULL 17 Using temporary; Using filesort
2 DERIVED y ALL NULL NULL NULL NULL 17 Using where; Using join buffer
2 DERIVED y ALL NULL NULL NULL NULL 17 Using where; Using join buffer (flat, BNL join)
drop table t1;
create table t2 (a int, b int, primary key (a));
insert into t2 values (1,7),(2,7);
......
mysql-test/suite/pbxt/r/distinct.result
View file @ 517fc164
......@@ -173,7 +173,7 @@ INSERT INTO t2 values (1),(2),(3);
INSERT INTO t3 VALUES (1,'1'),(2,'2'),(1,'1'),(2,'2');
explain SELECT distinct t3.a FROM t3,t2,t1 WHERE t3.a=t1.b AND t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 4 Using temporary
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 4 Using where; Using temporary
1 SIMPLE t2 ref a a 4 test.t1.a 1 Using index
1 SIMPLE t3 ref a a 5 test.t1.b 1 Using index
SELECT distinct t3.a FROM t3,t2,t1 WHERE t3.a=t1.b AND t1.a=t2.a;
......@@ -300,11 +300,11 @@ WHERE
AND ((t1.id=j_lj_t3.id AND t3_lj.id IS NULL) OR (t1.id=t3.id AND t3.idx=2));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index id id 4 NULL 2 Using index; Using temporary
1 SIMPLE t2 index id id 8 NULL 1 Using index; Distinct; Using join buffer
1 SIMPLE t3 index id id 8 NULL 1 Using index; Distinct; Using join buffer
1 SIMPLE j_lj_t2 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer
1 SIMPLE t2 index id id 8 NULL 1 Using index; Distinct; Using join buffer (flat, BNL join)
1 SIMPLE t3 index id id 8 NULL 1 Using index; Distinct; Using join buffer (flat, BNL join)
1 SIMPLE j_lj_t2 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer (flat, BNL join)
1 SIMPLE t2_lj ref id id 4 test.j_lj_t2.id 1 Using where; Using index; Distinct
1 SIMPLE j_lj_t3 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer
1 SIMPLE j_lj_t3 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer (flat, BNL join)
1 SIMPLE t3_lj ref id id 4 test.j_lj_t3.id 1 Using where; Using index; Distinct
SELECT DISTINCT
t1.id
......@@ -515,7 +515,7 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT DISTINCT t1_1.a, t1_1.b FROM t1 t1_1, t1 t1_2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1_1 ALL NULL NULL NULL NULL 3 Using temporary
1 SIMPLE t1_2 index NULL PRIMARY 4 NULL 3 Using index; Distinct; Using join buffer
1 SIMPLE t1_2 index NULL PRIMARY 4 NULL 3 Using index; Distinct; Using join buffer (flat, BNL join)
EXPLAIN SELECT DISTINCT t1_1.a, t1_1.b FROM t1 t1_1, t1 t1_2
WHERE t1_1.a = t1_2.a;
id select_type table type possible_keys key key_len ref rows Extra
......
mysql-test/suite/pbxt/r/func_group.result
View file @ 517fc164
......@@ -614,7 +614,7 @@ explain
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 > 'CA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range k1 k1 7 NULL 1 Using where; Using index
1 SIMPLE t2 range k1 k1 3 NULL 1 Using where; Using index; Using join buffer
1 SIMPLE t2 range k1 k1 3 NULL 1 Using where; Using index; Using join buffer (flat, BNL join)
explain
select min(a4 - 0.01) from t1;
id select_type table type possible_keys key key_len ref rows Extra
......@@ -651,7 +651,7 @@ explain
select concat(min(t1.a1),min(t2.a4)) from t1, t2 where t2.a4 <> 'AME';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index k2 k2 4 NULL 7 Using where; Using index
1 SIMPLE t1 index NULL PRIMARY 3 NULL 15 Using index; Using join buffer
1 SIMPLE t1 index NULL PRIMARY 3 NULL 15 Using index; Using join buffer (flat, BNL join)
drop table t1, t2;
create table t1 (a char(10));
insert into t1 values ('a'),('b'),('c');
......
mysql-test/suite/pbxt/r/group_by.result
View file @ 517fc164
......@@ -537,11 +537,11 @@ a b
explain select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort
1 SIMPLE t2 ALL a NULL NULL NULL 4 Using where; Using join buffer
1 SIMPLE t2 ALL a NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
explain select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b ORDER BY NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary
1 SIMPLE t2 ALL a NULL NULL NULL 4 Using where; Using join buffer
1 SIMPLE t2 ALL a NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
drop table t1,t2;
create table t1 (a int, b int);
insert into t1 values (1, 4),(10, 40),(1, 4),(10, 43),(1, 4),(10, 41),(1, 4),(10, 43),(1, 4);
......@@ -856,7 +856,7 @@ explain
SELECT straight_join sql_no_cache v1.a, v1.b, v1.real_b from t2, v1
where t2.b=v1.a GROUP BY t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index b b 2 NULL 10 Using index
1 SIMPLE t2 index b b 2 NULL 10 Using where; Using index
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 1 test.t2.b 1
SELECT straight_join sql_no_cache v1.a, v1.b, v1.real_b from t2, v1
where t2.b=v1.a GROUP BY t2.b;
......
mysql-test/suite/pbxt/r/group_min_max.result
View file @ 517fc164
......@@ -2268,7 +2268,7 @@ ON t1_outer1.a = (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2)
AND t1_outer1.b = t1_outer2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1_outer1 ref a a 5 const 1 Using where; Using index
1 PRIMARY t1_outer2 index NULL a 10 NULL 15 Using where; Using index; Using join buffer
1 PRIMARY t1_outer2 index NULL a 10 NULL 15 Using where; Using index; Using join buffer (flat, BNL join)
2 SUBQUERY t1 index NULL a 10 NULL 15 Using index
EXPLAIN SELECT (SELECT (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) x
FROM t1 AS t1_outer) x2 FROM t1 AS t1_outer2;
......
mysql-test/suite/pbxt/r/join.result
View file @ 517fc164
......@@ -794,8 +794,8 @@ Z
vv: Following query must use ALL(t1), eq_ref(A), eq_ref(B): vv
explain select * from t1, t2 A, t2 B where A.a = t1.a and B.a=A.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 10
1 SIMPLE A eq_ref PRIMARY PRIMARY 4 test.t1.a 1
1 SIMPLE t1 ALL NULL NULL NULL NULL 10 Using where
1 SIMPLE A eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using where
1 SIMPLE B eq_ref PRIMARY PRIMARY 4 test.A.b 1
show status like '%cost%';
Variable_name Value
......
mysql-test/suite/pbxt/r/join_nested.result
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