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Commit effed09b authored by Sergei Golubchik's avatar Sergei Golubchik
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5.3->5.5 merge

parents 7189f09a 12e60c49
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Showing with 10421 additions and 890 deletions
libmysqld/CMakeLists.txt
View file @ effed09b
......@@ -76,6 +76,7 @@ SET(SQL_EMBEDDED_SOURCES emb_qcache.cc libmysqld.c lib_sql.cc
../sql/sql_tablespace.cc ../sql/sql_table.cc ../sql/sql_test.cc
../sql/sql_trigger.cc ../sql/sql_udf.cc ../sql/sql_union.cc
../sql/sql_update.cc ../sql/sql_view.cc ../sql/sql_profile.cc
../sql/gcalc_tools.cc ../sql/gcalc_slicescan.cc
../sql/strfunc.cc ../sql/table.cc ../sql/thr_malloc.cc
../sql/sql_time.cc ../sql/tztime.cc ../sql/uniques.cc ../sql/unireg.cc
../sql/partition_info.cc ../sql/sql_connect.cc
......
mysql-test/r/archive_gis.result
View file @ effed09b
......@@ -236,7 +236,7 @@ explain extended select Dimension(g), GeometryType(g), IsEmpty(g), AsText(Envelo
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_geometry ALL NULL NULL NULL NULL 21 100.00
Warnings:
Note 1003 select dimension(`test`.`gis_geometry`.`g`) AS `Dimension(g)`,geometrytype(`test`.`gis_geometry`.`g`) AS `GeometryType(g)`,isempty(`test`.`gis_geometry`.`g`) AS `IsEmpty(g)`,astext(envelope(`test`.`gis_geometry`.`g`)) AS `AsText(Envelope(g))` from `test`.`gis_geometry`
Note 1003 select st_dimension(`test`.`gis_geometry`.`g`) AS `Dimension(g)`,st_geometrytype(`test`.`gis_geometry`.`g`) AS `GeometryType(g)`,st_isempty(`test`.`gis_geometry`.`g`) AS `IsEmpty(g)`,st_astext(st_envelope(`test`.`gis_geometry`.`g`)) AS `AsText(Envelope(g))` from `test`.`gis_geometry`
SELECT fid, X(g) FROM gis_point ORDER by fid;
fid X(g)
101 10
......@@ -253,7 +253,7 @@ explain extended select X(g),Y(g) FROM gis_point;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_point ALL NULL NULL NULL NULL 4 100.00
Warnings:
Note 1003 select x(`test`.`gis_point`.`g`) AS `X(g)`,y(`test`.`gis_point`.`g`) AS `Y(g)` from `test`.`gis_point`
Note 1003 select st_x(`test`.`gis_point`.`g`) AS `X(g)`,st_y(`test`.`gis_point`.`g`) AS `Y(g)` from `test`.`gis_point`
SELECT fid, AsText(StartPoint(g)) FROM gis_line ORDER by fid;
fid AsText(StartPoint(g))
105 POINT(0 0)
......@@ -288,7 +288,7 @@ explain extended select AsText(StartPoint(g)),AsText(EndPoint(g)),GLength(g),Num
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_line ALL NULL NULL NULL NULL 3 100.00
Warnings:
Note 1003 select astext(startpoint(`test`.`gis_line`.`g`)) AS `AsText(StartPoint(g))`,astext(endpoint(`test`.`gis_line`.`g`)) AS `AsText(EndPoint(g))`,glength(`test`.`gis_line`.`g`) AS `GLength(g)`,numpoints(`test`.`gis_line`.`g`) AS `NumPoints(g)`,astext(pointn(`test`.`gis_line`.`g`,2)) AS `AsText(PointN(g, 2))`,isclosed(`test`.`gis_line`.`g`) AS `IsClosed(g)` from `test`.`gis_line`
Note 1003 select st_astext(st_startpoint(`test`.`gis_line`.`g`)) AS `AsText(StartPoint(g))`,st_astext(st_endpoint(`test`.`gis_line`.`g`)) AS `AsText(EndPoint(g))`,st_length(`test`.`gis_line`.`g`) AS `GLength(g)`,st_numpoints(`test`.`gis_line`.`g`) AS `NumPoints(g)`,st_astext(st_pointn(`test`.`gis_line`.`g`,2)) AS `AsText(PointN(g, 2))`,st_isclosed(`test`.`gis_line`.`g`) AS `IsClosed(g)` from `test`.`gis_line`
SELECT fid, AsText(Centroid(g)) FROM gis_polygon ORDER by fid;
fid AsText(Centroid(g))
108 POINT(15 15)
......@@ -318,7 +318,7 @@ explain extended select AsText(Centroid(g)),Area(g),AsText(ExteriorRing(g)),NumI
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_polygon ALL NULL NULL NULL NULL 3 100.00
Warnings:
Note 1003 select astext(centroid(`test`.`gis_polygon`.`g`)) AS `AsText(Centroid(g))`,area(`test`.`gis_polygon`.`g`) AS `Area(g)`,astext(exteriorring(`test`.`gis_polygon`.`g`)) AS `AsText(ExteriorRing(g))`,numinteriorrings(`test`.`gis_polygon`.`g`) AS `NumInteriorRings(g)`,astext(interiorringn(`test`.`gis_polygon`.`g`,1)) AS `AsText(InteriorRingN(g, 1))` from `test`.`gis_polygon`
Note 1003 select st_astext(st_centroid(`test`.`gis_polygon`.`g`)) AS `AsText(Centroid(g))`,st_area(`test`.`gis_polygon`.`g`) AS `Area(g)`,st_astext(st_exteriorring(`test`.`gis_polygon`.`g`)) AS `AsText(ExteriorRing(g))`,st_numinteriorrings(`test`.`gis_polygon`.`g`) AS `NumInteriorRings(g)`,st_astext(st_interiorringn(`test`.`gis_polygon`.`g`,1)) AS `AsText(InteriorRingN(g, 1))` from `test`.`gis_polygon`
SELECT fid, IsClosed(g) FROM gis_multi_line ORDER by fid;
fid IsClosed(g)
114 0
......@@ -357,7 +357,7 @@ explain extended SELECT fid, NumGeometries(g) from gis_multi_point;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_multi_point ALL NULL NULL NULL NULL 3 100.00
Warnings:
Note 1003 select `test`.`gis_multi_point`.`fid` AS `fid`,numgeometries(`test`.`gis_multi_point`.`g`) AS `NumGeometries(g)` from `test`.`gis_multi_point`
Note 1003 select `test`.`gis_multi_point`.`fid` AS `fid`,st_numgeometries(`test`.`gis_multi_point`.`g`) AS `NumGeometries(g)` from `test`.`gis_multi_point`
SELECT fid, AsText(GeometryN(g, 2)) from gis_multi_point ORDER by fid;
fid AsText(GeometryN(g, 2))
111 POINT(10 10)
......@@ -385,17 +385,17 @@ explain extended SELECT fid, AsText(GeometryN(g, 2)) from gis_multi_point;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_multi_point ALL NULL NULL NULL NULL 3 100.00
Warnings:
Note 1003 select `test`.`gis_multi_point`.`fid` AS `fid`,astext(geometryn(`test`.`gis_multi_point`.`g`,2)) AS `AsText(GeometryN(g, 2))` from `test`.`gis_multi_point`
Note 1003 select `test`.`gis_multi_point`.`fid` AS `fid`,st_astext(st_geometryn(`test`.`gis_multi_point`.`g`,2)) AS `AsText(GeometryN(g, 2))` from `test`.`gis_multi_point`
SELECT g1.fid as first, g2.fid as second,
Within(g1.g, g2.g) as w, Contains(g1.g, g2.g) as c, Overlaps(g1.g, g2.g) as o,
Equals(g1.g, g2.g) as e, Disjoint(g1.g, g2.g) as d, Touches(g1.g, g2.g) as t,
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;
first second w c o e d t i r
120 120 1 1 0 1 0 0 1 0
120 120 1 1 0 1 0 1 1 0
120 121 0 0 1 0 0 0 1 0
121 120 0 0 1 0 0 0 1 0
121 121 1 1 0 1 0 0 1 0
121 121 1 1 0 1 0 1 1 0
explain extended SELECT g1.fid as first, g2.fid as second,
Within(g1.g, g2.g) as w, Contains(g1.g, g2.g) as c, Overlaps(g1.g, g2.g) as o,
Equals(g1.g, g2.g) as e, Disjoint(g1.g, g2.g) as d, Touches(g1.g, g2.g) as t,
......@@ -405,7 +405,7 @@ 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 (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`
Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,st_within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,st_contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,mbroverlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,st_equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,mbrdisjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,st_touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,mbrintersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,st_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;
CREATE TABLE t1 (
a INTEGER PRIMARY KEY AUTO_INCREMENT,
......@@ -494,7 +494,7 @@ mbroverlaps
down,left,right,up
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS mbrtouches FROM t1 a1 JOIN t1 a2 ON MBRTouches( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
mbrtouches
down2,left2,right2,up2
big,center,down,down2,left,left2,right,right2,small,up,up2
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS mbrwithin FROM t1 a1 JOIN t1 a2 ON MBRWithin( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
mbrwithin
big,center
......@@ -515,7 +515,7 @@ overlaps
down,left,right,up
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS touches FROM t1 a1 JOIN t1 a2 ON Touches( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
touches
down2,left2,right2,up2
big,center,down,down2,left,left2,right,right2,small,up,up2
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS within FROM t1 a1 JOIN t1 a2 ON Within( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
within
big,center
......
mysql-test/r/create.result
View file @ effed09b
......@@ -113,7 +113,7 @@ insert into t1 (b) values ("hello"),("my"),("world");
create table t2 (key (b)) select * from t1;
explain select * from t2 where b="world";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref B B 21 const 1 Using where
1 SIMPLE t2 ref B B 21 const 1 Using index condition
select * from t2 where b="world";
a B
3 world
......
mysql-test/r/ctype_binary.result
View file @ effed09b
......@@ -1184,7 +1184,7 @@ t1 CREATE TABLE `t1` (
drop table t1;
select hex(concat(IsSimple(GeomFromText('POINT(1 1)'))));
hex(concat(IsSimple(GeomFromText('POINT(1 1)'))))
30
31
create table t1 as select concat(IsSimple(GeomFromText('Point(1 1)'))) as c1;
show create table t1;
Table Create Table
......@@ -2761,11 +2761,11 @@ KEY(date_column));
INSERT INTO t1 VALUES (1,'2010-09-01'),(2,'2010-10-01');
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN '2010-09-01' AND '2010-10-01';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range date_column date_column 4 NULL 1 Using where
1 SIMPLE t1 range date_column date_column 4 NULL 1 Using index condition
ALTER TABLE t1 MODIFY date_column DATETIME DEFAULT NULL;
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN '2010-09-01' AND '2010-10-01';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range date_column date_column 9 NULL 1 Using where
1 SIMPLE t1 range date_column date_column 9 NULL 1 Using index condition
DROP TABLE t1;
#
# Bug #31384 DATE_ADD() and DATE_SUB() return binary data
......
mysql-test/r/ctype_collate.result
View file @ effed09b
......@@ -596,31 +596,31 @@ INSERT INTO t1 VALUES ('i','i');
INSERT INTO t1 VALUES ('j','j');
EXPLAIN SELECT * FROM t1 WHERE s1='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref s1 s1 11 const 1 Using where
1 SIMPLE t1 ref s1 s1 11 const 1 Using index condition
EXPLAIN SELECT * FROM t1 WHERE s2='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref s2 s2 11 const 1 Using where
1 SIMPLE t1 ref s2 s2 11 const 1 Using index condition
EXPLAIN SELECT * FROM t1 WHERE s1='a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref s1 s1 11 const 1 Using where
1 SIMPLE t1 ref s1 s1 11 const 1 Using index condition
EXPLAIN SELECT * FROM t1 WHERE s2='a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
EXPLAIN SELECT * FROM t1 WHERE s1 BETWEEN 'a' AND 'b' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range s1 s1 11 NULL 2 Using where
1 SIMPLE t1 range s1 s1 11 NULL 2 Using index condition
EXPLAIN SELECT * FROM t1 WHERE s2 BETWEEN 'a' AND 'b' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
EXPLAIN SELECT * FROM t1 WHERE s1 IN ('a','b' COLLATE latin1_german1_ci);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range s1 s1 11 NULL 2 Using where
1 SIMPLE t1 range s1 s1 11 NULL 2 Using index condition
EXPLAIN SELECT * FROM t1 WHERE s2 IN ('a','b' COLLATE latin1_german1_ci);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
EXPLAIN SELECT * FROM t1 WHERE s1 LIKE 'a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range s1 s1 11 NULL 1 Using where
1 SIMPLE t1 range s1 s1 11 NULL 1 Using index condition
EXPLAIN SELECT * FROM t1 WHERE s2 LIKE 'a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
......
mysql-test/r/ctype_cp1251.result
View file @ effed09b
......@@ -1576,7 +1576,7 @@ t1 CREATE TABLE `t1` (
drop table t1;
select hex(concat(IsSimple(GeomFromText('POINT(1 1)'))));
hex(concat(IsSimple(GeomFromText('POINT(1 1)'))))
30
31
create table t1 as select concat(IsSimple(GeomFromText('Point(1 1)'))) as c1;
show create table t1;
Table Create Table
......@@ -3153,11 +3153,11 @@ KEY(date_column));
INSERT INTO t1 VALUES (1,'2010-09-01'),(2,'2010-10-01');
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN '2010-09-01' AND '2010-10-01';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range date_column date_column 4 NULL 1 Using where
1 SIMPLE t1 range date_column date_column 4 NULL 1 Using index condition
ALTER TABLE t1 MODIFY date_column DATETIME DEFAULT NULL;
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN '2010-09-01' AND '2010-10-01';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range date_column date_column 9 NULL 1 Using where
1 SIMPLE t1 range date_column date_column 9 NULL 1 Using index condition
DROP TABLE t1;
#
# Bug #31384 DATE_ADD() and DATE_SUB() return binary data
......
mysql-test/r/ctype_latin1.result
View file @ effed09b
......@@ -1603,7 +1603,7 @@ t1 CREATE TABLE `t1` (
drop table t1;
select hex(concat(IsSimple(GeomFromText('POINT(1 1)'))));
hex(concat(IsSimple(GeomFromText('POINT(1 1)'))))
30
31
create table t1 as select concat(IsSimple(GeomFromText('Point(1 1)'))) as c1;
show create table t1;
Table Create Table
......@@ -3180,11 +3180,11 @@ KEY(date_column));
INSERT INTO t1 VALUES (1,'2010-09-01'),(2,'2010-10-01');
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN '2010-09-01' AND '2010-10-01';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range date_column date_column 4 NULL 1 Using where
1 SIMPLE t1 range date_column date_column 4 NULL 1 Using index condition
ALTER TABLE t1 MODIFY date_column DATETIME DEFAULT NULL;
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN '2010-09-01' AND '2010-10-01';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range date_column date_column 9 NULL 1 Using where
1 SIMPLE t1 range date_column date_column 9 NULL 1 Using index condition
DROP TABLE t1;
#
# Bug #31384 DATE_ADD() and DATE_SUB() return binary data
......
mysql-test/r/ctype_ucs.result
View file @ effed09b
......@@ -2486,7 +2486,7 @@ t1 CREATE TABLE `t1` (
drop table t1;
select hex(concat(IsSimple(GeomFromText('POINT(1 1)'))));
hex(concat(IsSimple(GeomFromText('POINT(1 1)'))))
0030
0031
create table t1 as select concat(IsSimple(GeomFromText('Point(1 1)'))) as c1;
show create table t1;
Table Create Table
......@@ -4063,11 +4063,11 @@ KEY(date_column));
INSERT INTO t1 VALUES (1,'2010-09-01'),(2,'2010-10-01');
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN '2010-09-01' AND '2010-10-01';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range date_column date_column 4 NULL 1 Using where
1 SIMPLE t1 range date_column date_column 4 NULL 1 Using index condition
ALTER TABLE t1 MODIFY date_column DATETIME DEFAULT NULL;
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN '2010-09-01' AND '2010-10-01';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range date_column date_column 9 NULL 1 Using where
1 SIMPLE t1 range date_column date_column 9 NULL 1 Using index condition
DROP TABLE t1;
#
# Bug #31384 DATE_ADD() and DATE_SUB() return binary data
......
mysql-test/r/ctype_utf8.result
View file @ effed09b
......@@ -3318,7 +3318,7 @@ t1 CREATE TABLE `t1` (
drop table t1;
select hex(concat(IsSimple(GeomFromText('POINT(1 1)'))));
hex(concat(IsSimple(GeomFromText('POINT(1 1)'))))
30
31
create table t1 as select concat(IsSimple(GeomFromText('Point(1 1)'))) as c1;
show create table t1;
Table Create Table
......@@ -4895,11 +4895,11 @@ KEY(date_column));
INSERT INTO t1 VALUES (1,'2010-09-01'),(2,'2010-10-01');
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN '2010-09-01' AND '2010-10-01';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range date_column date_column 4 NULL 1 Using where
1 SIMPLE t1 range date_column date_column 4 NULL 1 Using index condition
ALTER TABLE t1 MODIFY date_column DATETIME DEFAULT NULL;
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN '2010-09-01' AND '2010-10-01';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range date_column date_column 9 NULL 1 Using where
1 SIMPLE t1 range date_column date_column 9 NULL 1 Using index condition
DROP TABLE t1;
#
# Bug #31384 DATE_ADD() and DATE_SUB() return binary data
......
mysql-test/r/derived_view.result
View file @ effed09b
......@@ -778,7 +778,7 @@ DROP TABLE t1;
#
# LP bug #803851: materialized view + IN->EXISTS
#
SET SESSION optimizer_switch='semijoin=off,derived_with_keys=on';
SET SESSION optimizer_switch='semijoin=off,derived_with_keys=on,materialization=off';
CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES (2,2), (3,3), (1,1);
CREATE TABLE t2 (a int);
......@@ -1448,7 +1448,7 @@ KEY (c,a) , PRIMARY KEY (a)
INSERT INTO t3 VALUES
(14,4,'a'), (15,7,'b'), (16,4,'c'), (17,1,'d'), (18,9,'e'),
(19,4,'f'), (20,8,'g');
SET SESSION optimizer_switch='derived_merge=on,subquery_cache=off';
SET SESSION optimizer_switch='derived_merge=on,subquery_cache=off,materialization=off';
# The following two EXPLAINs must return the same execution plan
EXPLAIN
SELECT * FROM t1 , t2
......
mysql-test/r/explain.result
View file @ effed09b
......@@ -13,7 +13,7 @@ id str
3 foo
explain select * from t1 where str is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref str str 11 const 1 Using where
1 SIMPLE t1 ref str str 11 const 1 Using index condition
explain select * from t1 where str="foo";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const str str 11 const 1
......
mysql-test/r/func_compress.result
View file @ effed09b
......@@ -103,7 +103,6 @@ foo
Warnings:
Warning 1259 ZLIB: Input data corrupted
Warning 1259 ZLIB: Input data corrupted
Warning 1259 ZLIB: Input data corrupted
explain select *, uncompress(a) from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
......
mysql-test/r/func_in.result
View file @ effed09b
This diff is collapsed.
mysql-test/r/func_str.result
View file @ effed09b
......@@ -1154,7 +1154,6 @@ notnumber 0
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'notnumber'
Warning 1292 Truncated incorrect DOUBLE value: 'notnumber'
Warning 1292 Truncated incorrect DOUBLE value: 'notnumber'
SELECT * FROM t1, t2 WHERE num=substring(str from 1 for 6);
str num
notnumber 0
......
mysql-test/r/gis-precise.result 0 → 100644
View file @ effed09b
This diff is collapsed.
mysql-test/r/gis-rt-precise.result 0 → 100644
View file @ effed09b
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
fid INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
g GEOMETRY NOT NULL,
SPATIAL KEY(g)
) ENGINE=MyISAM;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`fid` int(11) NOT NULL AUTO_INCREMENT,
`g` geometry NOT NULL,
PRIMARY KEY (`fid`),
SPATIAL KEY `g` (`g`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT count(*) FROM t1;
count(*)
150
EXPLAIN SELECT fid, AsText(g) FROM t1 WHERE ST_Within(g, GeomFromText('Polygon((140 140,160 140,160 160,140 140))'));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 8 Using where
SELECT fid, AsText(g) FROM t1 WHERE ST_Within(g, GeomFromText('Polygon((140 140,160 140,160 160,140 160,140 140))'));
fid AsText(g)
11 LINESTRING(140 140,160 160)
DROP TABLE t1;
CREATE TABLE t1 (
fid INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
g GEOMETRY NOT NULL
) ENGINE=MyISAM;
ALTER TABLE t1 ADD SPATIAL KEY(g);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`fid` int(11) NOT NULL AUTO_INCREMENT,
`g` geometry NOT NULL,
PRIMARY KEY (`fid`),
SPATIAL KEY `g` (`g`)
) ENGINE=MyISAM AUTO_INCREMENT=101 DEFAULT CHARSET=latin1
SELECT count(*) FROM t1;
count(*)
100
EXPLAIN SELECT fid, AsText(g) FROM t1 WHERE ST_Within(g,
GeomFromText('Polygon((40 40,60 40,60 60,40 40))'));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 1 Using where
SELECT fid, AsText(g) FROM t1 WHERE ST_Within(g,
GeomFromText('Polygon((40 40,60 40,60 60,40 40))'));
fid AsText(g)
DROP TABLE t1;
End of 5.5 tests.
mysql-test/r/gis-rtree.result
View file @ effed09b
This diff is collapsed.
mysql-test/r/gis.result
View file @ effed09b
This diff is collapsed.
mysql-test/r/group_by.result
View file @ effed09b
......@@ -1544,7 +1544,8 @@ EXPLAIN SELECT 1 FROM t1 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index PRIMARY,i2 PRIMARY 4 NULL 144 Using index
1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t1)
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 144
CREATE TABLE t2 (a INT, b INT, KEY(a));
INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4);
EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2;
......@@ -1894,8 +1895,8 @@ SELECT a, AVG(t1.b),
FROM t1 GROUP BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL a 10 NULL 9 Using index
3 DEPENDENT SUBQUERY t12 ref a a 10 func,func 2 Using where
2 DEPENDENT SUBQUERY t11 ref a a 10 func,func 2 Using where
3 DEPENDENT SUBQUERY t12 ref a a 10 func,func 2 Using index condition
2 DEPENDENT SUBQUERY t11 ref a a 10 func,func 2 Using index condition
SELECT a, AVG(t1.b),
(SELECT t11.c FROM t1 t11 WHERE t11.a = t1.a AND t11.b = AVG(t1.b)) AS t11c,
(SELECT t12.c FROM t1 t12 WHERE t12.a = t1.a AND t12.b = AVG(t1.b)) AS t12c
......
mysql-test/r/group_min_max.result
View file @ effed09b
......@@ -2401,8 +2401,9 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT 1 FROM t1 AS t1_outer WHERE
a IN (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1_outer index NULL a 10 NULL 15 Using where; Using index
2 DEPENDENT SUBQUERY t1 index NULL a 10 NULL 1 Using index
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 8 Using where
1 PRIMARY t1_outer ref a a 5 <subquery2>.max(b) 2 Using index
2 SUBQUERY t1 range NULL a 5 NULL 8 Using index for group-by
EXPLAIN SELECT 1 FROM t1 AS t1_outer GROUP BY a HAVING
a > (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2);
id select_type table type possible_keys key key_len ref rows Extra
......
mysql-test/r/index_intersect.result
View file @ effed09b
......@@ -74,12 +74,12 @@ EXPLAIN
SELECT * FROM City
WHERE Name LIKE 'M%' AND Population > 300000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Name Name 35 NULL # Using where
1 SIMPLE City range Population,Name Name 35 NULL # Using index condition; Using where
EXPLAIN
SELECT * FROM City
WHERE Name LIKE 'M%' AND Population > 7000000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Name Population 4 NULL # Using where
1 SIMPLE City range Population,Name Population 4 NULL # Using index condition; Using where
SELECT * FROM City USE INDEX ()
WHERE Name LIKE 'C%' AND Population > 1000000;
ID Name Country Population
......@@ -371,7 +371,7 @@ EXPLAIN
SELECT * FROM City
WHERE Name BETWEEN 'G' AND 'K' AND Population > 500000 AND Country LIKE 'C%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Name,Country Name # NULL # Using where
1 SIMPLE City range Population,Name,Country Name # NULL # Using index condition; Using where
SELECT * FROM City USE INDEX ()
WHERE Name BETWEEN 'M' AND 'N' AND Population > 1000000 AND Country LIKE 'C%';
ID Name Country Population
......@@ -462,7 +462,7 @@ EXPLAIN
SELECT * FROM City
WHERE ID BETWEEN 501 AND 1000 AND Population > 700000 AND Country LIKE 'C%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using where
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using index condition; Using where
EXPLAIN
SELECT * FROM City
WHERE ID BETWEEN 1 AND 500 AND Population > 1000000 AND Country LIKE 'A%';
......@@ -472,7 +472,7 @@ EXPLAIN
SELECT * FROM City
WHERE ID BETWEEN 2001 AND 2500 AND Population > 300000 AND Country LIKE 'H%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country Country 3 NULL # Using where
1 SIMPLE City range PRIMARY,Population,Country Country 3 NULL # Using index condition; Using where
EXPLAIN
SELECT * FROM City
WHERE ID BETWEEN 3701 AND 4000 AND Population > 1000000
......@@ -484,7 +484,7 @@ SELECT * FROM City
WHERE ID BETWEEN 3001 AND 4000 AND Population > 600000
AND Country BETWEEN 'S' AND 'Z' ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using where
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using index condition; Using where
SELECT * FROM City USE INDEX ()
WHERE ID BETWEEN 501 AND 1000 AND Population > 700000 AND Country LIKE 'C%';
ID Name Country Population
......@@ -733,7 +733,7 @@ EXPLAIN
SELECT * FROM City
WHERE Name BETWEEN 'G' AND 'J' AND Population > 500000 AND Country LIKE 'C%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country,Name Name 35 NULL # Using where
1 SIMPLE City range Population,Country,Name Name 35 NULL # Using index condition; Using where
EXPLAIN
SELECT * FROM City
WHERE ID BETWEEN 1 AND 500 AND Population > 1000000 AND Country LIKE 'A%';
......@@ -744,7 +744,7 @@ SELECT * FROM City
WHERE ID BETWEEN 3001 AND 4000 AND Population > 600000
AND Country BETWEEN 'S' AND 'Z';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using where
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using index condition; Using where
SELECT * FROM City WHERE
Name LIKE 'C%' AND Population > 1000000;
ID Name Country Population
......@@ -1035,7 +1035,7 @@ EXPLAIN
SELECT * FROM t1
WHERE (f1 < 535 OR f1 > 985) AND ( f4='r' OR f4 LIKE 'a%' ) ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,f4 f4 35 NULL # Using where
1 SIMPLE t1 range PRIMARY,f4 f4 35 NULL # Using index condition; Using where
SELECT * FROM t1
WHERE (f1 < 535 OR f1 > 985) AND ( f4='r' OR f4 LIKE 'a%' ) ;
f1 f4 f5
......
mysql-test/r/index_merge_innodb.result
View file @ effed09b
......@@ -549,7 +549,7 @@ primary key (pk1, pk2)
);
explain select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 9 Using where
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 9 Using index condition; Using where
select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
pk1 pk2 key1 key2 pktail1ok pktail2ok pktail3bad pktail4bad pktail5bad pk2copy badkey filler1 filler2
1 10 0 0 0 0 0 0 0 10 0 filler-data-10 filler2
......
mysql-test/r/index_merge_myisam.result
View file @ effed09b
......@@ -21,7 +21,7 @@ Table Op Msg_type Msg_text
test.t0 analyze status OK
explain select * from t0 where key1 < 3 or key1 > 1020;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t0 range i1 i1 4 NULL 78 Using where
1 SIMPLE t0 range i1 i1 4 NULL 78 Using index condition; Using where
explain
select * from t0 where key1 < 3 or key2 > 1020;
id select_type table type possible_keys key key_len ref rows Extra
......@@ -277,7 +277,7 @@ id select_type table type possible_keys key key_len ref rows Extra
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
1 SIMPLE t0 range i1 i1 4 NULL 3 Using where
1 SIMPLE t0 range i1 i1 4 NULL 3 Using index condition
1 SIMPLE t1 ALL i1,i8 NULL NULL NULL 1024 Range checked for each record (index map: 0x81)
explain select * from t1 where key1=3 or key2=4
union select * from t1 where key1<4 or key3=5;
......@@ -1379,7 +1379,7 @@ primary key (pk1, pk2)
);
explain select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 7 Using where
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 7 Using index condition; Using where
select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
pk1 pk2 key1 key2 pktail1ok pktail2ok pktail3bad pktail4bad pktail5bad pk2copy badkey filler1 filler2
1 10 0 0 0 0 0 0 0 10 0 filler-data-10 filler2
......
mysql-test/r/join.result
View file @ effed09b
......@@ -1266,7 +1266,7 @@ Variable_name Value
Handler_read_first 0
Handler_read_key 1
Handler_read_last 0
Handler_read_next 2
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 1
......
mysql-test/r/join_nested.result
View file @ effed09b
......@@ -1457,12 +1457,12 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL X
1 SIMPLE t3 ref a a 5 test.t2.b X Using where
1 SIMPLE t5 ref a a 5 test.t3.b X
1 SIMPLE t4 ref a a 5 test.t3.b X Using where
1 SIMPLE t4 ref a a 5 test.t3.b X Using index condition
explain select * from (t4 join t6 on t6.a=t4.b) right join t3 on t4.a=t3.b
join t2 left join (t5 join t7 on t7.a=t5.b) on t5.a=t2.b where t3.a<=>t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL X
1 SIMPLE t3 ref a a 5 test.t2.b X Using where
1 SIMPLE t3 ref a a 5 test.t2.b X Using index condition
1 SIMPLE t4 ref a a 5 test.t3.b X Using where
1 SIMPLE t6 ref a a 5 test.t4.b X
1 SIMPLE t5 ref a a 5 test.t2.b X Using where
......
mysql-test/r/join_optimizer.result
View file @ effed09b
......@@ -33,5 +33,5 @@ SELECT STRAIGHT_JOIN g.id FROM t2 a, t3 g USE INDEX(groups_dt)
WHERE g.domain = 'queue' AND g.type = a.type;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE a ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE g ref groups_dt groups_dt 70 const,test.a.type 13 Using where
1 SIMPLE g ref groups_dt groups_dt 70 const,test.a.type 13 Using index condition
drop table t0,t1,t2,t3;
mysql-test/r/key_cache.result
View file @ effed09b
......@@ -646,7 +646,7 @@ select p from t1 where p between 1010 and 1020;
p
explain select i from t2 where p between 1010 and 1020;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 28 Using where
1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 28 Using index condition
select i from t2 where p between 1010 and 1020;
i
1
......
mysql-test/r/merge.result
View file @ effed09b
......@@ -677,7 +677,7 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT * FROM t1 WHERE fileset_id = 2
AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,files PRIMARY 35 NULL 5 Using where
1 SIMPLE t1 range PRIMARY,files PRIMARY 35 NULL 5 Using index condition
EXPLAIN SELECT * FROM t2 WHERE fileset_id = 2
AND file_code = '0000000115' LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
......
mysql-test/r/mix2_myisam.result
View file @ effed09b
......@@ -1114,11 +1114,11 @@ count(*)
29267
explain select * from t1 where c between 1 and 2500;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c c 5 NULL # Using where
1 SIMPLE t1 range c c 5 NULL # Using index condition
update t1 set c=a;
explain select * from t1 where c between 1 and 2500;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c c 5 NULL # Using where
1 SIMPLE t1 range c c 5 NULL # Using index condition
drop table t1,t2;
create table t1 (id int primary key auto_increment, fk int, index index_fk (fk)) engine=MyISAM;
insert into t1 (id) values (null),(null),(null),(null),(null);
......
mysql-test/r/myisam.result
View file @ effed09b
......@@ -392,7 +392,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where
explain select * from t1 force index (a) where a=0 or a=2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 4 NULL 4 Using where
1 SIMPLE t1 range a a 4 NULL 4 Using index condition; Using where
explain select * from t1 where c=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c,c_2 c 5 const 1
......
mysql-test/r/myisam_icp.result
View file @ effed09b
......@@ -763,8 +763,8 @@ t2.b NOT IN (SELECT t4.b FROM t3 STRAIGHT_JOIN t4 WHERE t4.b <= 2 AND t4.c = t3.
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t4 ref_or_null b b 5 func 2 Using where; Full scan on NULL key
2 SUBQUERY t3 ALL NULL NULL NULL NULL 2
2 SUBQUERY t4 range b b 5 NULL 1 Using index condition; Using where; Rowid-ordered scan; Using join buffer (flat, BNL join)
SELECT * FROM t1 LEFT JOIN t2 ON t1.c=t2.b
WHERE
t2.b NOT IN (SELECT t4.b FROM t3 STRAIGHT_JOIN t4 WHERE t4.b <= 2 AND t4.c = t3.c);
......
mysql-test/r/mysqld--help-notwin.result
View file @ effed09b
......@@ -1000,7 +1000,7 @@ old-passwords FALSE
old-style-user-limits FALSE
optimizer-prune-level 1
optimizer-search-depth 62
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on
performance-schema FALSE
performance-schema-events-waits-history-long-size 10000
performance-schema-events-waits-history-size 10
......
mysql-test/r/mysqld--help-win.result
View file @ effed09b
This diff is collapsed.
mysql-test/r/null.result
View file @ effed09b
......@@ -148,10 +148,10 @@ insert into t1 values
(7,7), (8,8), (9,9), (10,10), (11,11), (12,12);
explain select * from t1 where a between 2 and 3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx idx 4 NULL 2 Using where
1 SIMPLE t1 range idx idx 4 NULL 2 Using index condition
explain select * from t1 where a between 2 and 3 or b is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx idx 4 NULL 2 Using where
1 SIMPLE t1 range idx idx 4 NULL 2 Using index condition
drop table t1;
select cast(NULL as signed);
cast(NULL as signed)
......
mysql-test/r/null_key.result
View file @ effed09b
......@@ -76,13 +76,13 @@ insert into t2 select * from t1;
alter table t1 modify b blob not null, add c int not null, drop key a, add unique key (a,b(20),c), drop key b, add key (b(10));
explain select * from t1 where a is null and b = 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a,b a 5 const 3 Using where
1 SIMPLE t1 ref a,b a 5 const 3 Using index condition; Using where
explain select * from t1 where a is null and b = 2 and c=0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a,b a 5 const 3 Using where
1 SIMPLE t1 ref a,b a 5 const 3 Using index condition; Using where
explain select * from t1 where a is null and b = 7 and c=0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a,b a 5 const 3 Using where
1 SIMPLE t1 ref a,b a 5 const 3 Using index condition; Using where
explain select * from t1 where a=2 and b = 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a,b a 5 const 1 Using where
......@@ -91,25 +91,25 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 12 Using where
explain select * from t1 where (a is null or a > 0 and a < 3) and b < 5 and c=0 limit 3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a,b a 5 NULL 5 Using where
1 SIMPLE t1 range a,b a 5 NULL 5 Using index condition; Using where
explain select * from t1 where (a is null or a = 7) and b=7 and c=0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null a,b a 5 const 4 Using where
1 SIMPLE t1 ref_or_null a,b a 5 const 4 Using index condition; Using where
explain select * from t1 where (a is null and b>a) or a is null and b=7 limit 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a,b a 5 const 3 Using where
1 SIMPLE t1 ref a,b a 5 const 3 Using index condition; Using where
explain select * from t1 where a is null and b=9 or a is null and b=7 limit 3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a,b a 5 const 3 Using where
1 SIMPLE t1 ref a,b a 5 const 3 Using index condition; Using where
explain select * from t1 where a > 1 and a < 3 limit 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 1 Using where
1 SIMPLE t1 range a a 5 NULL 1 Using index condition
explain select * from t1 where a is null and b=7 or a > 1 and a < 3 limit 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a,b a 5 NULL 4 Using where
1 SIMPLE t1 range a,b a 5 NULL 4 Using index condition; Using where
explain select * from t1 where a > 8 and a < 9;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 1 Using where
1 SIMPLE t1 range a a 5 NULL 1 Using index condition
explain select * from t1 where b like "6%";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range b b 12 NULL 1 Using where
......@@ -258,7 +258,7 @@ INSERT INTO t1 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4
INSERT INTO t2 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4),(9,NULL),(10,NULL);
explain select id from t1 where uniq_id is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1 idx1 5 const 5 Using where
1 SIMPLE t1 ref idx1 idx1 5 const 5 Using index condition
explain select id from t1 where uniq_id =1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const idx1 idx1 5 const 1
......
mysql-test/r/order_by.result
View file @ effed09b
......@@ -515,7 +515,7 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT t1.gid, t3.uid from t1, t3 where t1.skr = t3.uid order by t1.gid,t3.skr;
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 t3 eq_ref PRIMARY PRIMARY 2 test.t1.skr 1 Using where
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 2 test.t1.skr 1 Using index condition
drop table t1,t2,t3;
CREATE TABLE t1 (
`titre` char(80) NOT NULL default '',
......@@ -612,10 +612,10 @@ DS-MRR: use two IGNORE INDEX queries, otherwise we get cost races, because
DS-MRR: records_in_range/read_time return the same numbers for all three indexes
EXPLAIN SELECT * FROM t1 IGNORE INDEX (LongField, StringField) WHERE FieldKey > '2' ORDER BY LongVal;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range FieldKey FieldKey 38 NULL 4 Using where; Using filesort
1 SIMPLE t1 range FieldKey FieldKey 38 NULL 4 Using index condition; Using filesort
EXPLAIN SELECT * FROM t1 IGNORE INDEX (FieldKey, LongField) WHERE FieldKey > '2' ORDER BY LongVal;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range StringField StringField 38 NULL 4 Using where; Using filesort
1 SIMPLE t1 range StringField StringField 38 NULL 4 Using index condition; Using filesort
SELECT * FROM t1 WHERE FieldKey > '2' ORDER BY LongVal;
FieldKey LongVal StringVal
3 1 2
......@@ -645,7 +645,7 @@ insert into t1 values (2, 1), (1, 1), (4, NULL), (3, NULL), (6, 2), (5, 2);
insert into t1 values (12, 11), (11, 11), (14, 3), (13, 5), (16, 12), (15, 12);
explain select * from t1 where b=1 or b is null order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null b b 5 const 4 Using where; Using filesort
1 SIMPLE t1 ref_or_null b b 5 const 4 Using index condition; Using where; Using filesort
select * from t1 where b=1 or b is null order by a;
a b
1 1
......@@ -654,7 +654,7 @@ a b
4 NULL
explain select * from t1 where b=2 or b is null order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null b b 5 const 3 Using where; Using filesort
1 SIMPLE t1 ref_or_null b b 5 const 3 Using index condition; Using where; Using filesort
select * from t1 where b=2 or b is null order by a;
a b
3 NULL
......@@ -1114,7 +1114,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index k2 k3 5 NULL 73 Using where
EXPLAIN SELECT id,c3 FROM t2 WHERE c2 BETWEEN 20 AND 30 ORDER BY c3 LIMIT 4000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range k2 k2 5 NULL 386 Using where; Using filesort
1 SIMPLE t2 range k2 k2 5 NULL 386 Using index condition; Using filesort
SELECT id,c3 FROM t2 WHERE c2=11 ORDER BY c3 LIMIT 20;
id c3
6 14
......@@ -1492,8 +1492,8 @@ 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 where; Using temporary; Using filesort
1 SIMPLE t2 ref a,b,c a 40 test.t1.a,const 11 Using where
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'
ORDER BY t2.c LIMIT 1;
......@@ -1628,19 +1628,19 @@ INSERT INTO t2 SELECT a+4, b FROM t2;
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 where; Using temporary; Using filesort
1 SIMPLE t1 range a a 5 NULL 2 Using index condition; Using temporary; Using filesort
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 where; Using temporary; Using filesort
1 SIMPLE t1 range a a 5 NULL 2 Using index condition; Using temporary; Using filesort
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 where; Using temporary; Using filesort
1 SIMPLE t1 range a a 5 NULL 2 Using index condition; Using temporary; Using filesort
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer (flat, BNL join)
DROP TABLE t1, t2;
#
......
mysql-test/r/ps.result
View file @ effed09b
......@@ -3765,3 +3765,64 @@ date('2010-10-10') between '2010-09-09' and ?
execute stmt using @a;
date('2010-10-10') between '2010-09-09' and ?
0
#
# Bug #892725: look-up is changed for a full scan when executing PS
#
create table t1 (a int primary key, b int);
insert into t1 values
(7,70), (3,40), (4,40), (8,70), (1,70), (9,50), (2,70);
prepare st from 'select * from t1 where a=8';
flush status;
execute st;
a b
8 70
show status like '%Handler_read%';
Variable_name Value
Handler_read_first 0
Handler_read_key 1
Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 0
flush status;
execute st;
a b
8 70
show status like '%Handler_read%';
Variable_name Value
Handler_read_first 0
Handler_read_key 1
Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 0
flush status;
select * from t1 use index() where a=3;
a b
3 40
show status like '%Handler_read%';
Variable_name Value
Handler_read_first 0
Handler_read_key 0
Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 8
flush status;
execute st;
a b
8 70
show status like '%Handler_read%';
Variable_name Value
Handler_read_first 0
Handler_read_key 1
Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 0
deallocate prepare st;
drop table t1;
mysql-test/r/ps_1general.result
View file @ effed09b
......@@ -467,9 +467,9 @@ def key 253 64 7 Y 0 31 8
def key_len 253 4096 1 Y 0 31 8
def ref 253 2048 0 Y 0 31 8
def rows 8 10 1 Y 32928 0 63
def Extra 253 255 27 N 1 31 8
def Extra 253 255 37 N 1 31 8
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 Using where; Using filesort
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 Using index condition; Using filesort
drop table if exists t2;
create table t2 (id smallint, name varchar(20)) ;
prepare stmt1 from ' insert into t2 values(?, ?) ' ;
......
mysql-test/r/range.result
View file @ effed09b
This diff is collapsed.
mysql-test/r/range_vs_index_merge.result
View file @ effed09b
This diff is collapsed.
mysql-test/r/select.result
View file @ effed09b
......@@ -3419,7 +3419,7 @@ SELECT t2.sku, t2.sppr, t2.name, t1.sku, t1.pr
FROM t2, t1 WHERE t2.sku=20 AND (t2.sku=t1.sku OR t2.sppr=t1.sku);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using where
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where
DROP TABLE t1,t2;
SET SQL_MODE='NO_UNSIGNED_SUBTRACTION';
CREATE TABLE t1 (i TINYINT UNSIGNED NOT NULL);
......@@ -3457,7 +3457,7 @@ In next EXPLAIN, B.rows must be exactly 10:
explain select * from t2 A, t2 B where A.a=5 and A.b=5 and A.C<5
and B.a=5 and B.b=A.e and (B.b =1 or B.b = 3 or B.b=5);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE A range PRIMARY PRIMARY 12 NULL 4 Using where
1 SIMPLE A range PRIMARY PRIMARY 12 NULL 4 Using index condition; Using where
1 SIMPLE B ref PRIMARY PRIMARY 8 const,test.A.e 10
drop table t1, t2;
CREATE TABLE t1 (a int PRIMARY KEY, b int, INDEX(b));
......@@ -3471,12 +3471,12 @@ INSERT INTO t2 VALUES
EXPLAIN
SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using where
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using index condition
1 SIMPLE t2 ref c c 5 test.t1.a 2
EXPLAIN
SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6 AND a > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using where
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using index condition; Using where
1 SIMPLE t2 ref c c 5 test.t1.a 2
DROP TABLE t1, t2;
create table t1 (
......@@ -3566,19 +3566,19 @@ 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 where
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 3 Using index condition; Using where
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 where
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where
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 where
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where
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));
......@@ -3612,7 +3612,7 @@ 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 where
1 SIMPLE t2 range si si 5 NULL 4 Using index condition; Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
......@@ -3620,7 +3620,7 @@ 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 where
1 SIMPLE t2 range si,ai si 5 NULL 4 Using index condition; Using where
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
......@@ -3628,7 +3628,7 @@ 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 where
1 SIMPLE t2 range si si 5 NULL 2 Using index condition; Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
......@@ -3636,7 +3636,7 @@ 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 where
1 SIMPLE t2 range si,ai si 5 NULL 2 Using index condition; Using where
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);
......@@ -3756,7 +3756,7 @@ AND t1.ts BETWEEN t2.dt1 AND t2.dt2
AND t1.ts BETWEEN "2006-01-01" AND "2006-12-31";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t1 range ts ts 4 NULL 1 Using where
1 SIMPLE t1 range ts ts 4 NULL 1 Using index condition; Using where
SELECT * FROM t1 LEFT JOIN t2 ON (t1.a=t2.a) WHERE t1.a=30
AND t1.ts BETWEEN t2.dt1 AND t2.dt2
AND t1.ts BETWEEN "2006-01-01" AND "2006-12-31";
......@@ -4382,12 +4382,12 @@ CREATE TABLE t1 (a INT KEY, b INT);
INSERT INTO t1 VALUES (1,1), (2,2), (3,3), (4,4);
EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND a = b LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using where
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using index condition; Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t1`.`a`) and (`test`.`t1`.`a` > 1)) limit 2
EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND b = a LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using where
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using index condition; Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t1`.`a`) and (`test`.`t1`.`a` > 1)) limit 2
DROP TABLE t1;
......
mysql-test/r/select_pkeycache.result
View file @ effed09b
......@@ -3419,7 +3419,7 @@ SELECT t2.sku, t2.sppr, t2.name, t1.sku, t1.pr
FROM t2, t1 WHERE t2.sku=20 AND (t2.sku=t1.sku OR t2.sppr=t1.sku);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using where
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where
DROP TABLE t1,t2;
SET SQL_MODE='NO_UNSIGNED_SUBTRACTION';
CREATE TABLE t1 (i TINYINT UNSIGNED NOT NULL);
......@@ -3457,7 +3457,7 @@ In next EXPLAIN, B.rows must be exactly 10:
explain select * from t2 A, t2 B where A.a=5 and A.b=5 and A.C<5
and B.a=5 and B.b=A.e and (B.b =1 or B.b = 3 or B.b=5);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE A range PRIMARY PRIMARY 12 NULL 4 Using where
1 SIMPLE A range PRIMARY PRIMARY 12 NULL 4 Using index condition; Using where
1 SIMPLE B ref PRIMARY PRIMARY 8 const,test.A.e 10
drop table t1, t2;
CREATE TABLE t1 (a int PRIMARY KEY, b int, INDEX(b));
......@@ -3471,12 +3471,12 @@ INSERT INTO t2 VALUES
EXPLAIN
SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using where
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using index condition
1 SIMPLE t2 ref c c 5 test.t1.a 2
EXPLAIN
SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6 AND a > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using where
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using index condition; Using where
1 SIMPLE t2 ref c c 5 test.t1.a 2
DROP TABLE t1, t2;
create table t1 (
......@@ -3566,19 +3566,19 @@ 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 where
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 3 Using index condition; Using where
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 where
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where
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 where
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where
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));
......@@ -3612,7 +3612,7 @@ 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 where
1 SIMPLE t2 range si si 5 NULL 4 Using index condition; Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
......@@ -3620,7 +3620,7 @@ 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 where
1 SIMPLE t2 range si,ai si 5 NULL 4 Using index condition; Using where
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
......@@ -3628,7 +3628,7 @@ 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 where
1 SIMPLE t2 range si si 5 NULL 2 Using index condition; Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
......@@ -3636,7 +3636,7 @@ 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 where
1 SIMPLE t2 range si,ai si 5 NULL 2 Using index condition; Using where
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);
......@@ -3756,7 +3756,7 @@ AND t1.ts BETWEEN t2.dt1 AND t2.dt2
AND t1.ts BETWEEN "2006-01-01" AND "2006-12-31";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t1 range ts ts 4 NULL 1 Using where
1 SIMPLE t1 range ts ts 4 NULL 1 Using index condition; Using where
SELECT * FROM t1 LEFT JOIN t2 ON (t1.a=t2.a) WHERE t1.a=30
AND t1.ts BETWEEN t2.dt1 AND t2.dt2
AND t1.ts BETWEEN "2006-01-01" AND "2006-12-31";
......@@ -4382,12 +4382,12 @@ CREATE TABLE t1 (a INT KEY, b INT);
INSERT INTO t1 VALUES (1,1), (2,2), (3,3), (4,4);
EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND a = b LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using where
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using index condition; Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t1`.`a`) and (`test`.`t1`.`a` > 1)) limit 2
EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND b = a LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using where
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using index condition; Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t1`.`a`) and (`test`.`t1`.`a` > 1)) limit 2
DROP TABLE t1;
......
mysql-test/r/subselect.result
View file @ effed09b
......@@ -2969,9 +2969,10 @@ Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cac
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 9 100.00 Using where; FirstMatch(t1)
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 10 func,func 1 100.00
2 SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`two` = `test`.`t1`.`two`) and (`test`.`t2`.`one` = `test`.`t1`.`one`) and (`test`.`t2`.`flag` = 'N'))
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`flag` = 'N'))
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
......@@ -3558,7 +3559,8 @@ EXPLAIN
SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 9 Using where
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 9 Using temporary
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 23 test.t1.a,test.t1.b 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 9 Using temporary
ALTER TABLE t1 ADD INDEX(a);
SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);
a b
......@@ -3568,8 +3570,9 @@ AAA 8
EXPLAIN
SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 9 Using where
2 DEPENDENT SUBQUERY t1 index NULL a 8 NULL 1
1 PRIMARY t1 ALL a NULL NULL NULL 9 Using where
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 23 test.t1.a,test.t1.b 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 9 Using temporary
DROP TABLE t1;
create table t1( f1 int,f2 int);
insert into t1 values (1,1),(2,2);
......@@ -4512,15 +4515,17 @@ INSERT INTO t1 VALUES (1),(2);
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT 1 FROM t1 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
1 PRIMARY <subquery2> const distinct_key distinct_key 4 const 1 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <expr_cache><1>(<in_optimizer>(1,<exists>(select 1 from `test`.`t1` group by `test`.`t1`.`a` having (1 = <ref_null_helper>(1)))))
Note 1003 select 1 AS `1` from <materialize> (select 1 from `test`.`t1` group by `test`.`t1`.`a`) join `test`.`t1` where (`<subquery2>`.`1` = 1)
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT 1 FROM t1 WHERE a > 3 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
1 PRIMARY <subquery2> const distinct_key distinct_key 4 const 1 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <expr_cache><1>(<in_optimizer>(1,<exists>(select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` having (1 = <ref_null_helper>(1)))))
Note 1003 select 1 AS `1` from <materialize> (select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a`) join `test`.`t1` where (`<subquery2>`.`1` = 1)
DROP TABLE t1;
#
# Bug#45061: Incorrectly market field caused wrong result.
......@@ -5548,10 +5553,11 @@ explain SELECT * FROM ot1,ot4
WHERE (ot1.a,ot4.a) IN (SELECT it2.a,it3.a
FROM it2,it3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot1 ALL NULL NULL NULL NULL 2 Start temporary
1 PRIMARY it2 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
1 PRIMARY it3 ALL NULL NULL NULL NULL 6 Using join buffer (flat, BNL join)
1 PRIMARY ot4 ALL NULL NULL NULL NULL 8 Using where; End temporary; Using join buffer (flat, BNL join)
1 PRIMARY ot1 ALL NULL NULL NULL NULL 2
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 24 Using where
1 PRIMARY ot4 ALL NULL NULL NULL NULL 8 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY it2 ALL NULL NULL NULL NULL 4
2 SUBQUERY it3 ALL NULL NULL NULL NULL 6 Using join buffer (flat, BNL join)
DROP TABLE IF EXISTS ot1, ot4, it2, it3;
#
# Bug#729039: NULL keys used to evaluate subquery
......@@ -6016,4 +6022,14 @@ ERROR 21000: Subquery returns more than 1 row
SET SESSION sql_mode=@old_sql_mode;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
#
# LP BUG#833777 Performance regression with deeply nested subqueries
#
create table t1 (a int not null, b char(10) not null);
insert into t1 values (1, 'a');
set @@optimizer_switch='in_to_exists=on,semijoin=off,materialization=off,subquery_cache=off';
select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1)))))))))))))))))))))))))))));
a
1
drop table t1;
set optimizer_switch=@subselect_tmp;
mysql-test/r/subselect3.result
View file @ effed09b
......@@ -975,7 +975,7 @@ i1 i2
# Baseline:
SHOW STATUS LIKE '%Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 17
Handler_read_rnd_next 18
INSERT INTO t1 VALUES (NULL, NULL);
FLUSH STATUS;
......@@ -992,7 +992,7 @@ i1 i2
# (read record from t1, but do not read from t2)
SHOW STATUS LIKE '%Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 18
Handler_read_rnd_next 19
set @@optimizer_switch=@save_optimizer_switch2;
DROP TABLE t1,t2;
End of 5.1 tests
......@@ -1023,6 +1023,8 @@ create table t11 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) orde
create table t12 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) order by 3 desc;
create table t21 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 asc;
create table t22 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 desc;
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch='materialization=off';
update t22 set c = '2005-12-08 15:58:27' where a = 255;
explain select t21.* from t21,t22 where t21.a = t22.a and
t22.a in (select t12.a from t11, t12 where t11.a in(255,256) and t11.a = t12.a and t11.c is null) and t22.c is null order by t21.a;
......@@ -1035,10 +1037,11 @@ select t21.* from t21,t22 where t21.a = t22.a and
t22.a in (select t12.a from t11, t12 where t11.a in(255,256) and t11.a = t12.a and t11.c is null) and t22.c is null order by t21.a;
a b c
256 67 NULL
set @@optimizer_switch=@save_optimizer_switch;
drop table t1, t11, t12, t21, t22;
create table t1(a int);
insert into t1 values (0),(1);
set @@optimizer_switch='firstmatch=off';
set @@optimizer_switch='firstmatch=off,materialization=off';
explain
select (select max(Y.a) from t1 Y where a in (select a from t1 Z) and a < X.a) as subq from t1 X;
id select_type table type possible_keys key key_len ref rows Extra
......@@ -1112,6 +1115,8 @@ a
18
19
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch='materialization=off';
explain select * from (select a from t0) X where a in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11
......@@ -1134,10 +1139,11 @@ insert into t4 select a from t3;
explain select * from t3 where a in (select t1.kp1 from t1,t4 where kp1<20
and t4.pk=t1.c);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using where; LooseScan
1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using index condition; Using where; LooseScan
1 PRIMARY t4 eq_ref PRIMARY PRIMARY 4 test.t1.c 1 Using index; FirstMatch(t1)
1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
drop table t1, t3, t4;
set @@optimizer_switch=@save_optimizer_switch;
create table t1 (a int) as select * from t0 where a < 5;
set @save_max_heap_table_size=@@max_heap_table_size;
set @@optimizer_switch='firstmatch=off,materialization=off';
......@@ -1167,8 +1173,9 @@ create table t3 ( a int , filler char(100), key(a));
insert into t3 select A.a + 10*B.a, 'filler' from t0 A, t0 B;
explain select * from t3 where a in (select a from t2) and (a > 5 or a < 10);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Start temporary
1 PRIMARY t3 ref a a 5 test.t2.a 1 End temporary
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2
1 PRIMARY t3 ref a a 5 test.t2.a 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
select * from t3 where a in (select a from t2);
a filler
1 filler
......@@ -1207,6 +1214,8 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer (flat, BNL join)
drop table t1;
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch='materialization=off';
create table t1 (a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t2 as select * from t1;
......@@ -1267,11 +1276,12 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range a a 5 NULL 8 Using where; Using index; LooseScan
1 PRIMARY t2 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
drop table t1,t2;
set @@optimizer_switch=@save_optimizer_switch;
create table t1 (a int, b int);
insert into t1 select a,a from t0;
create table t2 (a int, b int);
insert into t2 select A.a + 10*B.a, A.a + 10*B.a from t0 A, t0 B;
set @@optimizer_switch='firstmatch=off';
set @@optimizer_switch='firstmatch=off,materialization=off';
explain select * from t1 where (a,b) in (select a,b from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 10 Start temporary
......@@ -1287,6 +1297,7 @@ id select_type table type possible_keys key key_len ref rows Extra
set @@optimizer_search_depth=@save_optimizer_search_depth;
set @@optimizer_switch=@save_optimizer_switch;
drop table t0, t1, t2;
set @@optimizer_switch='materialization=off';
create table t0 (a decimal(4,2));
insert into t0 values (10.24), (22.11);
create table t1 as select * from t0;
......@@ -1325,6 +1336,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY Y ALL NULL NULL NULL NULL 6 Using where; Using join buffer (flat, BNL join)
1 PRIMARY Z ALL NULL NULL NULL NULL 6 Using where; End temporary; Using join buffer (flat, BNL join)
drop table t0,t1,t2;
set @@optimizer_switch=@save_optimizer_switch;
BUG#37842: Assertion in DsMrr_impl::dsmrr_init, at handler.cc:4307
......@@ -1386,6 +1398,8 @@ postalStripped varchar(100)
);
insert into t3 values (1,1, 'foo'), (2,2,'bar');
The following must be converted to a semi-join:
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='materialization=off';
explain extended SELECT a.idIndividual FROM t1 a
WHERE a.idIndividual IN
( SELECT c.idObj FROM t3 cona
......@@ -1398,6 +1412,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY a eq_ref PRIMARY PRIMARY 4 test.c.idObj 1 100.00 Using index; End temporary
Warnings:
Note 1003 select `test`.`a`.`idIndividual` AS `idIndividual` from `test`.`t1` `a` semi join (`test`.`t3` `cona` join `test`.`t2` `c`) where ((`test`.`c`.`idContact` = `test`.`cona`.`idContact`) and (`test`.`a`.`idIndividual` = `test`.`c`.`idObj`) and (`test`.`cona`.`postalStripped` = 'T2H3B2'))
set @@optimizer_switch=@save_optimizer_switch;
drop table t1,t2,t3;
#
# BUG#47367 Crash in Name_resolution_context::process_error
......
mysql-test/r/subselect3_jcl6.result
View file @ effed09b
......@@ -984,7 +984,7 @@ i1 i2
# Baseline:
SHOW STATUS LIKE '%Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 17
Handler_read_rnd_next 18
INSERT INTO t1 VALUES (NULL, NULL);
FLUSH STATUS;
......@@ -1001,7 +1001,7 @@ i1 i2
# (read record from t1, but do not read from t2)
SHOW STATUS LIKE '%Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 18
Handler_read_rnd_next 19
set @@optimizer_switch=@save_optimizer_switch2;
DROP TABLE t1,t2;
End of 5.1 tests
......@@ -1032,6 +1032,8 @@ create table t11 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) orde
create table t12 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) order by 3 desc;
create table t21 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 asc;
create table t22 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 desc;
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch='materialization=off';
update t22 set c = '2005-12-08 15:58:27' where a = 255;
explain select t21.* from t21,t22 where t21.a = t22.a and
t22.a in (select t12.a from t11, t12 where t11.a in(255,256) and t11.a = t12.a and t11.c is null) and t22.c is null order by t21.a;
......@@ -1044,10 +1046,11 @@ select t21.* from t21,t22 where t21.a = t22.a and
t22.a in (select t12.a from t11, t12 where t11.a in(255,256) and t11.a = t12.a and t11.c is null) and t22.c is null order by t21.a;
a b c
256 67 NULL
set @@optimizer_switch=@save_optimizer_switch;
drop table t1, t11, t12, t21, t22;
create table t1(a int);
insert into t1 values (0),(1);
set @@optimizer_switch='firstmatch=off';
set @@optimizer_switch='firstmatch=off,materialization=off';
explain
select (select max(Y.a) from t1 Y where a in (select a from t1 Z) and a < X.a) as subq from t1 X;
id select_type table type possible_keys key key_len ref rows Extra
......@@ -1121,6 +1124,8 @@ a
18
19
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch='materialization=off';
explain select * from (select a from t0) X where a in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11
......@@ -1147,6 +1152,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t4 eq_ref PRIMARY PRIMARY 4 test.t1.c 1 Using index; FirstMatch(t1)
1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
drop table t1, t3, t4;
set @@optimizer_switch=@save_optimizer_switch;
create table t1 (a int) as select * from t0 where a < 5;
set @save_max_heap_table_size=@@max_heap_table_size;
set @@optimizer_switch='firstmatch=off,materialization=off';
......@@ -1176,8 +1182,9 @@ create table t3 ( a int , filler char(100), key(a));
insert into t3 select A.a + 10*B.a, 'filler' from t0 A, t0 B;
explain select * from t3 where a in (select a from t2) and (a > 5 or a < 10);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Start temporary
1 PRIMARY t3 ref a a 5 test.t2.a 1 End temporary; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2
1 PRIMARY t3 ref a a 5 test.t2.a 1 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
select * from t3 where a in (select a from t2);
a filler
1 filler
......@@ -1216,6 +1223,8 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 hash_ALL NULL #hash#$hj 6 test.t1.a 2 Using where; End temporary; Using join buffer (flat, BNLH join)
drop table t1;
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch='materialization=off';
create table t1 (a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t2 as select * from t1;
......@@ -1276,11 +1285,12 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range a a 5 NULL 8 Using where; Using index; LooseScan
1 PRIMARY t2 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
drop table t1,t2;
set @@optimizer_switch=@save_optimizer_switch;
create table t1 (a int, b int);
insert into t1 select a,a from t0;
create table t2 (a int, b int);
insert into t2 select A.a + 10*B.a, A.a + 10*B.a from t0 A, t0 B;
set @@optimizer_switch='firstmatch=off';
set @@optimizer_switch='firstmatch=off,materialization=off';
explain select * from t1 where (a,b) in (select a,b from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 10 Using where; Start temporary
......@@ -1296,6 +1306,7 @@ id select_type table type possible_keys key key_len ref rows Extra
set @@optimizer_search_depth=@save_optimizer_search_depth;
set @@optimizer_switch=@save_optimizer_switch;
drop table t0, t1, t2;
set @@optimizer_switch='materialization=off';
create table t0 (a decimal(4,2));
insert into t0 values (10.24), (22.11);
create table t1 as select * from t0;
......@@ -1334,6 +1345,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY Y hash_ALL NULL #hash#$hj 5 test.t1.b 6 Using where; Using join buffer (incremental, BNLH join)
1 PRIMARY Z hash_ALL NULL #hash#$hj 5 test.t1.c 6 Using where; End temporary; Using join buffer (incremental, BNLH join)
drop table t0,t1,t2;
set @@optimizer_switch=@save_optimizer_switch;
BUG#37842: Assertion in DsMrr_impl::dsmrr_init, at handler.cc:4307
......@@ -1395,6 +1407,8 @@ postalStripped varchar(100)
);
insert into t3 values (1,1, 'foo'), (2,2,'bar');
The following must be converted to a semi-join:
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='materialization=off';
explain extended SELECT a.idIndividual FROM t1 a
WHERE a.idIndividual IN
( SELECT c.idObj FROM t3 cona
......@@ -1407,6 +1421,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY a eq_ref PRIMARY PRIMARY 4 test.c.idObj 1 100.00 Using index; End temporary
Warnings:
Note 1003 select `test`.`a`.`idIndividual` AS `idIndividual` from `test`.`t1` `a` semi join (`test`.`t3` `cona` join `test`.`t2` `c`) where ((`test`.`c`.`idContact` = `test`.`cona`.`idContact`) and (`test`.`a`.`idIndividual` = `test`.`c`.`idObj`) and (`test`.`cona`.`postalStripped` = 'T2H3B2'))
set @@optimizer_switch=@save_optimizer_switch;
drop table t1,t2,t3;
#
# BUG#47367 Crash in Name_resolution_context::process_error
......
mysql-test/r/subselect4.result
View file @ effed09b
......@@ -119,6 +119,8 @@ CREATE TABLE t4 ( a INT );
INSERT INTO t4 VALUES (1), (2), (3);
CREATE TABLE t5 ( a INT );
INSERT INTO t5 VALUES (NULL), (2);
SET @old_optimizer_switch = @@session.optimizer_switch;
SET SESSION optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off';
EXPLAIN
SELECT * FROM t1 WHERE ( a, b ) NOT IN ( SELECT c, d FROM t2 );
id select_type table type possible_keys key key_len ref rows Extra
......@@ -190,6 +192,7 @@ SELECT * FROM t1 WHERE NULL NOT IN ( SELECT c FROM t2 WHERE c = 1 AND c <> 1 );
a b
1 NULL
2 NULL
SET SESSION optimizer_switch = @old_optimizer_switch;
DROP TABLE t1, t2, t3, t4, t5;
#
# Bug#58207: invalid memory reads when using default column value and
......@@ -1092,17 +1095,19 @@ EXPLAIN
SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SELECT c1 FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Start temporary; End temporary
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SELECT c1 FROM t2);
c1 c1 c1
EXPLAIN
SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Start temporary; End temporary
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
1 PRIMARY t4 index NULL PRIMARY 3 NULL 2 Using index; Using join buffer (flat, BNL join)
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2);
c1 c1
drop table t1, t2, t3, t4;
......
mysql-test/r/subselect_cache.result
View file @ effed09b
......@@ -1356,12 +1356,12 @@ Subquery_cache_miss 0
show status like '%Handler_read%';
Variable_name Value
Handler_read_first 0
Handler_read_key 0
Handler_read_key 11
Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 188
Handler_read_rnd_next 145
set optimizer_switch='subquery_cache=on';
flush status;
select a, b , exists (select * from t2 where b=d) as SUBSE, b in (select d from t2) as SUBSI, (select d from t2 where b=c) SUBSR from t1;
......@@ -1385,12 +1385,12 @@ Subquery_cache_miss 18
show status like '%Handler_read%';
Variable_name Value
Handler_read_first 0
Handler_read_key 27
Handler_read_key 32
Handler_read_last 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 102
Handler_read_rnd_next 84
#several subqueries (several levels)
set optimizer_switch='subquery_cache=off';
flush status;
......
mysql-test/r/subselect_extra.result
View file @ effed09b
......@@ -307,7 +307,8 @@ EXPLAIN SELECT 1 FROM t1 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index PRIMARY,i2 PRIMARY 4 NULL 144 Using index
1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t1); Using join buffer (flat, BNL join)
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 144
CREATE TABLE t2 (a INT, b INT, KEY(a));
INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4);
EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2;
......
mysql-test/r/subselect_extra_no_semijoin.result
View file @ effed09b
......@@ -311,7 +311,7 @@ EXPLAIN SELECT 1 FROM t1 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 144 Using where; Using index
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 144 Using where
2 SUBQUERY t1 ALL NULL NULL NULL NULL 144
CREATE TABLE t2 (a INT, b INT, KEY(a));
INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4);
EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2;
......@@ -324,7 +324,7 @@ EXPLAIN SELECT 1 FROM t2 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 144 Using where
2 SUBQUERY t1 ALL NULL NULL NULL NULL 144
DROP TABLE t1, t2;
#
# From derived_view.test
......@@ -349,9 +349,9 @@ WHERE t.a IN (SELECT b FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
3 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00
3 SUBQUERY t1 system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` where <expr_cache><0>(<in_optimizer>(0,<exists>(select 0 from dual where (<cache>(0) = 0))))
Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` where <expr_cache><0>(<in_optimizer>(0,0 in ( <materialize> (select 0 from dual ), <primary_index_lookup>(0 in <temporary table> on distinct_key where ((0 = `<subquery3>`.`b`))))))
SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0
WHERE t.a IN (SELECT b FROM t1);
a a b
......@@ -362,9 +362,9 @@ WHERE t.a IN (SELECT b FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00
2 SUBQUERY t1 system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` where <expr_cache><0>(<in_optimizer>(0,<exists>(select 0 from dual where (<cache>(0) = 0))))
Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` where <expr_cache><0>(<in_optimizer>(0,0 in ( <materialize> (select 0 from dual ), <primary_index_lookup>(0 in <temporary table> on distinct_key where ((0 = `<subquery2>`.`b`))))))
DROP VIEW v1;
DROP TABLE t1,t2;
#
......
mysql-test/r/subselect_mat.result
View file @ effed09b
......@@ -1847,7 +1847,7 @@ EXPLAIN SELECT pk FROM t1 WHERE (a) IN (SELECT a FROM t2 WHERE pk > 0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
2 SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 2 Using where
2 SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 2 Using index condition
SELECT pk FROM t1 WHERE (a) IN (SELECT a FROM t2 WHERE pk > 0);
pk
2
......
mysql-test/r/subselect_mat_cost_bugs.result
View file @ effed09b
......@@ -301,7 +301,7 @@ insert into t2 values (0,0,0,'filler'),(0,1,1,'filler'),(0,2,2,'filler'),(0,3,3,
create index key1 on t2 (kp1, kp2);
create index key2 on t2 (kp1);
create index key3 on t2 (kp2);
set session optimizer_switch='default';
SET @@optimizer_switch='materialization=off,semijoin=off,in_to_exists=on';
analyze table t2;
Table Op Msg_type Msg_text
test.t2 analyze status OK
......@@ -312,6 +312,7 @@ id select_type table type possible_keys key key_len ref rows Extra
2 DEPENDENT SUBQUERY t2 index_subquery key1,key2,key3 key1 10 func,const 1 Using where
select c1 from t1 where c1 in (select kp1 from t2 where kp2 = 10 and c2 = 4) or c1 > 7;
c1
set @@optimizer_switch='default';
drop table t1, t2;
#
# LP BUG#800679: Assertion `outer_join->table_count > 0' failed in
......@@ -355,8 +356,8 @@ WHERE t4.a >= t3.b
AND a = SOME (SELECT b FROM t5));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t5 index c c 10 NULL 2 Using where; Using index; LooseScan
2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t5.b 1 Using where
2 DEPENDENT SUBQUERY t5 index c c 10 NULL 2 Using where; Using index; Start temporary
2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t5.b 1 Using index condition; Using where; End temporary
SELECT *
FROM t3
WHERE t3.b > ALL (
......
mysql-test/r/subselect_no_mat.result
View file @ effed09b
select @@optimizer_switch like '%materialization=on%';
@@optimizer_switch like '%materialization=on%'
0
1
set optimizer_switch='materialization=off';
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
......@@ -6021,8 +6021,18 @@ ERROR 21000: Subquery returns more than 1 row
SET SESSION sql_mode=@old_sql_mode;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
#
# LP BUG#833777 Performance regression with deeply nested subqueries
#
create table t1 (a int not null, b char(10) not null);
insert into t1 values (1, 'a');
set @@optimizer_switch='in_to_exists=on,semijoin=off,materialization=off,subquery_cache=off';
select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1)))))))))))))))))))))))))))));
a
1
drop table t1;
set optimizer_switch=@subselect_tmp;
set optimizer_switch=default;
select @@optimizer_switch like '%materialization=on%';
@@optimizer_switch like '%materialization=on%'
0
1
mysql-test/r/subselect_no_opts.result
View file @ effed09b
......@@ -6017,5 +6017,15 @@ ERROR 21000: Subquery returns more than 1 row
SET SESSION sql_mode=@old_sql_mode;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
#
# LP BUG#833777 Performance regression with deeply nested subqueries
#
create table t1 (a int not null, b char(10) not null);
insert into t1 values (1, 'a');
set @@optimizer_switch='in_to_exists=on,semijoin=off,materialization=off,subquery_cache=off';
select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1)))))))))))))))))))))))))))));
a
1
drop table t1;
set optimizer_switch=@subselect_tmp;
set @optimizer_switch_for_subselect_test=null;
mysql-test/r/subselect_no_scache.result
View file @ effed09b
......@@ -2973,9 +2973,10 @@ Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optim
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 9 100.00 Using where; FirstMatch(t1)
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 10 func,func 1 100.00
2 SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`two` = `test`.`t1`.`two`) and (`test`.`t2`.`one` = `test`.`t1`.`one`) and (`test`.`t2`.`flag` = 'N'))
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`flag` = 'N'))
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
......@@ -3562,7 +3563,8 @@ EXPLAIN
SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 9 Using where
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 9 Using temporary
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 23 test.t1.a,test.t1.b 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 9 Using temporary
ALTER TABLE t1 ADD INDEX(a);
SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);
a b
......@@ -3572,8 +3574,9 @@ AAA 8
EXPLAIN
SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 9 Using where
2 DEPENDENT SUBQUERY t1 index NULL a 8 NULL 1
1 PRIMARY t1 ALL a NULL NULL NULL 9 Using where
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 23 test.t1.a,test.t1.b 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 9 Using temporary
DROP TABLE t1;
create table t1( f1 int,f2 int);
insert into t1 values (1,1),(2,2);
......@@ -4516,15 +4519,17 @@ INSERT INTO t1 VALUES (1),(2);
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT 1 FROM t1 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
1 PRIMARY <subquery2> const distinct_key distinct_key 4 const 1 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 from `test`.`t1` group by `test`.`t1`.`a` having (1 = <ref_null_helper>(1))))
Note 1003 select 1 AS `1` from <materialize> (select 1 from `test`.`t1` group by `test`.`t1`.`a`) join `test`.`t1` where (`<subquery2>`.`1` = 1)
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT 1 FROM t1 WHERE a > 3 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
1 PRIMARY <subquery2> const distinct_key distinct_key 4 const 1 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` having (1 = <ref_null_helper>(1))))
Note 1003 select 1 AS `1` from <materialize> (select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a`) join `test`.`t1` where (`<subquery2>`.`1` = 1)
DROP TABLE t1;
#
# Bug#45061: Incorrectly market field caused wrong result.
......@@ -5552,10 +5557,11 @@ explain SELECT * FROM ot1,ot4
WHERE (ot1.a,ot4.a) IN (SELECT it2.a,it3.a
FROM it2,it3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot1 ALL NULL NULL NULL NULL 2 Start temporary
1 PRIMARY it2 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
1 PRIMARY it3 ALL NULL NULL NULL NULL 6 Using join buffer (flat, BNL join)
1 PRIMARY ot4 ALL NULL NULL NULL NULL 8 Using where; End temporary; Using join buffer (flat, BNL join)
1 PRIMARY ot1 ALL NULL NULL NULL NULL 2
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 24 Using where
1 PRIMARY ot4 ALL NULL NULL NULL NULL 8 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY it2 ALL NULL NULL NULL NULL 4
2 SUBQUERY it3 ALL NULL NULL NULL NULL 6 Using join buffer (flat, BNL join)
DROP TABLE IF EXISTS ot1, ot4, it2, it3;
#
# Bug#729039: NULL keys used to evaluate subquery
......@@ -6020,6 +6026,16 @@ ERROR 21000: Subquery returns more than 1 row
SET SESSION sql_mode=@old_sql_mode;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
#
# LP BUG#833777 Performance regression with deeply nested subqueries
#
create table t1 (a int not null, b char(10) not null);
insert into t1 values (1, 'a');
set @@optimizer_switch='in_to_exists=on,semijoin=off,materialization=off,subquery_cache=off';
select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1)))))))))))))))))))))))))))));
a
1
drop table t1;
set optimizer_switch=@subselect_tmp;
set optimizer_switch=default;
select @@optimizer_switch like '%subquery_cache=on%';
......
mysql-test/r/subselect_no_semijoin.result
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mysql-test/r/subselect_sj.result
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mysql-test/r/subselect_sj2.result
View file @ effed09b
......@@ -46,8 +46,9 @@ a b
19 14
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 t1 ALL NULL NULL NULL NULL 3 Using where; Start temporary
1 PRIMARY t2 ref b b 5 test.t1.a 2 End temporary
1 PRIMARY <subquery2> ALL distinct_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 Using where
select * from t2 where b in (select a from t1);
a b
1 1
......@@ -65,8 +66,9 @@ insert into t3 select a,a, a,a,a from t0;
insert into t3 select a,a, a+100,a+100,a+100 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 t1 ALL NULL NULL NULL NULL 3 Using where; Start temporary
1 PRIMARY t3 ref b b 5 test.t1.a 1 End temporary
1 PRIMARY t3 ALL b NULL NULL NULL 20
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 3
select * from t3 where b in (select a from t1);
a b pk1 pk2 pk3
1 1 1 1 1
......@@ -90,8 +92,9 @@ A.a + 10*B.a, A.a + 10*B.a, A.a + 10*B.a, A.a + 10*B.a
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 t0 ALL NULL NULL NULL NULL 10 Using where; Start temporary
1 PRIMARY t3 ref b b 5 test.t0.a 1 End temporary
1 PRIMARY <subquery2> ALL distinct_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 Using where
select * from t3 where b in (select A.a+B.a from t0 A, t0 B where B.a<5);
a b pk1 pk2
0 0 0 0
......@@ -140,8 +143,9 @@ explain select
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 it ALL NULL NULL NULL NULL 22 Start temporary
1 PRIMARY ot ALL NULL NULL NULL NULL 32 Using where; End temporary; Using join buffer (flat, BNL join)
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 22
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
from t1 ot where a in (select a from t2 it);
......@@ -173,7 +177,8 @@ a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot ALL NULL NULL NULL NULL 22
1 PRIMARY it ALL NULL NULL NULL NULL 32 Using where; FirstMatch(ot)
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
2 SUBQUERY it ALL NULL NULL NULL NULL 32
select
a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
......@@ -206,8 +211,9 @@ explain select
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 it ALL NULL NULL NULL NULL 22 Start temporary
1 PRIMARY ot ALL NULL NULL NULL NULL 52 Using where; End temporary; Using join buffer (flat, BNL join)
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 22
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
from t1 ot where a in (select a from t2 it);
......@@ -239,7 +245,8 @@ a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY ot ALL NULL NULL NULL NULL 22
1 PRIMARY it ALL NULL NULL NULL NULL 52 Using where; FirstMatch(ot)
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
2 SUBQUERY it ALL NULL NULL NULL NULL 52
select
a, mid(filler1, 1,10), length(filler1)=length(filler2)
from t2 ot where a in (select a from t1 it);
......@@ -279,9 +286,10 @@ 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
1 PRIMARY t1 index a a 5 NULL 10 Using where; Using index
1 PRIMARY t2 ref a a 5 test.t1.a 1 Using index
1 PRIMARY t3 ref a a 5 test.t1.a 1 Using index; FirstMatch(t0)
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 9 func 1 Using where
2 SUBQUERY t1 index a a 5 NULL 10 Using where; Using index
2 SUBQUERY t2 ref a a 5 test.t1.a 1 Using index
2 SUBQUERY t3 ref a a 5 test.t1.a 1 Using index
drop table t0, t1,t2,t3;
CREATE TABLE t1 (
ID int(11) NOT NULL auto_increment,
......@@ -358,7 +366,8 @@ WHERE t1.Code IN (
SELECT t2.CountryCode FROM t2 WHERE Population > 5000000);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 31
1 PRIMARY t2 ref CountryCode CountryCode 3 test.t1.Code 18 Using where; FirstMatch(t1)
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1
2 SUBQUERY t2 ALL CountryCode NULL NULL NULL 545 Using where
SELECT Name FROM t1
WHERE t1.Code IN (
SELECT t2.CountryCode FROM t2 WHERE Population > 5000000);
......@@ -593,7 +602,7 @@ 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
2 DEPENDENT SUBQUERY t3 unique_subquery PRIMARY PRIMARY 4 func 1 Using index
2 SUBQUERY t3 index PRIMARY PRIMARY 4 NULL 10 Using index
drop table t0, t1, t2, t3;
create table t1 (a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
......@@ -705,8 +714,9 @@ alter table t3 add primary key(id), add key(a);
The following must use loose index scan over t3, key a:
explain select count(a) from t2 where a in ( SELECT a FROM t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index a a 5 NULL 1000 Using where; Using index
1 PRIMARY t3 ref a a 5 test.t2.a 30 Using index; FirstMatch(t2)
1 PRIMARY t2 index a a 5 NULL 1000 Using index
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
2 SUBQUERY t3 index a a 5 NULL 30000 Using index
select count(a) from t2 where a in ( SELECT a FROM t3);
count(a)
1000
......@@ -861,10 +871,11 @@ EXPLAIN
SELECT * FROM t3 LEFT JOIN (v1,t2) ON t3.a = t2.a
WHERE t3.b IN (SELECT b FROM t4);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 1 Start temporary
1 PRIMARY t3 ALL NULL NULL NULL NULL 1
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using where
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 2
1 PRIMARY t4 ALL NULL NULL NULL NULL 2 Using where; End temporary
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
2 SUBQUERY t4 ALL NULL NULL NULL NULL 2
3 DERIVED t1 ALL NULL NULL NULL NULL 1
SELECT * FROM t3 LEFT JOIN (v1,t2) ON t3.a = t2.a
WHERE t3.b IN (SELECT b FROM t4);
......
mysql-test/r/subselect_sj2_jcl6.result
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mysql-test/r/subselect_sj2_mat.result
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......@@ -890,4 +890,4 @@ set optimizer_switch=@subselect_sj2_tmp;
set optimizer_switch=default;
select @@optimizer_switch like '%materialization=on%';
@@optimizer_switch like '%materialization=on%'
0
1
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