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Merge mysql.com:/home/pz/mysql/mysql-4.1-root

Browse Source 
into mysql.com:/home/pz/mysql/mysql-4.1
This commit is contained in:
peter@mysql.com
2002-11-25 13:34:52 +03:00
parent d2aa1fb8e7 4601322e2d
commit c47ef7450f
12 changed files with 235 additions and 152 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
mysql-test/r/group_by.result
View File

@ -1,3 +1,5 @@
SELECT 1 FROM (SELECT 1) GROUP BY SUM(1);
Invalid use of group function
drop table if exists t1,t2,t3;
CREATE TABLE t1 (
spID int(10) unsigned,

155
mysql-test/r/subselect.result
View File

@ -17,7 +17,22 @@ SELECT (SELECT 1),MAX(1) FROM (SELECT 1);
1 1
SELECT (SELECT a) as a;
Reference 'a' not supported (forward reference in item list)
drop table if exists t1,t2,t3,t4,t5,attend,clinic,inscrit;
EXPLAIN SELECT 1 FROM (SELECT 1 as a) HAVING (SELECT a)=1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
3 DEPENDENT SUBSELECT No tables used
2 DERIVED No tables used
SELECT 1 FROM (SELECT 1 as a) HAVING (SELECT a)=1;
1
1
SELECT (SELECT 1), a;
Unknown column 'a' in 'field list'
SELECT 1 as a FROM (SELECT 1) HAVING (SELECT a)=1;
a
1
SELECT 1 FROM (SELECT (SELECT a));
Unknown column 'a' in 'field list'
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
create table t1 (a int);
create table t2 (a int, b int);
create table t3 (a int);
@ -140,11 +155,11 @@ id select_type table type possible_keys key key_len ref rows Extra
3 DEPENDENT UNION t5 ALL NULL NULL NULL NULL 2 Using where
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
Subselect returns more than 1 record
create table attend (patient_uq int, clinic_uq int, index i1 (clinic_uq));
create table clinic( uq int primary key, name char(25));
insert into clinic values(1,"Oblastnaia bolnitsa"),(2,"Bolnitsa Krasnogo Kresta");
insert into attend values (1,1),(1,2),(2,2),(1,3);
select * from attend where exists (select * from clinic where uq = clinic_uq);
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
create table t7( uq int primary key, name char(25));
insert into t7 values(1,"Oblastnaia bolnitsa"),(2,"Bolnitsa Krasnogo Kresta");
insert into t6 values (1,1),(1,2),(2,2),(1,3);
select * from t6 where exists (select * from t7 where uq = clinic_uq);
patient_uq clinic_uq
1 1
1 2
@ -167,117 +182,113 @@ W 1
SELECT * FROM t3 WHERE b = (SELECT MIN(b) FROM t3);
a b
W a
drop table if exists inscrit;
CREATE TABLE `inscrit` (
drop table if exists t8;
CREATE TABLE `t8` (
`pseudo` varchar(35) character set latin1 NOT NULL default '',
`email` varchar(60) character set latin1 NOT NULL default '',
PRIMARY KEY (`pseudo`),
UNIQUE KEY `email` (`email`)
) TYPE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;
INSERT INTO inscrit (pseudo,email) VALUES ('joce','test');
INSERT INTO inscrit (pseudo,email) VALUES ('joce1','test1');
INSERT INTO inscrit (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN SELECT pseudo,(SELECT email FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce')) FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce');
INSERT INTO t8 (pseudo,email) VALUES ('joce','test');
INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY inscrit const PRIMARY PRIMARY 35 const 1
4 SUBSELECT inscrit const PRIMARY PRIMARY 35 const 1
2 SUBSELECT inscrit const PRIMARY PRIMARY 35 const 1
3 SUBSELECT inscrit const PRIMARY PRIMARY 35 const 1
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo,email FROM
inscrit WHERE pseudo='joce');
1 PRIMARY t8 const PRIMARY PRIMARY 35 const 1
4 SUBSELECT t8 const PRIMARY PRIMARY 35 const 1
2 SUBSELECT t8 const PRIMARY PRIMARY 35 const 1
3 SUBSELECT t8 const PRIMARY PRIMARY 35 const 1
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
Subselect returns more than 1 field
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT * FROM inscrit WHERE
SELECT pseudo FROM t8 WHERE pseudo=(SELECT * FROM t8 WHERE
pseudo='joce');
Subselect returns more than 1 field
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce');
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
pseudo
joce
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo LIKE '%joce%');
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo LIKE '%joce%');
Subselect returns more than 1 record
drop table if exists t1,t2,t3,t4,t5,attend,clinic,inscrit;
drop table if exists searchconthardwarefr3;
CREATE TABLE `searchconthardwarefr3` (
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
CREATE TABLE `t1` (
`topic` mediumint(8) unsigned NOT NULL default '0',
`date` date NOT NULL default '0000-00-00',
`pseudo` varchar(35) character set latin1 NOT NULL default '',
PRIMARY KEY (`pseudo`,`date`,`topic`),
KEY `topic` (`topic`)
) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
INSERT INTO searchconthardwarefr3 (topic,date,pseudo) VALUES
INSERT INTO t1 (topic,date,pseudo) VALUES
('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
EXPLAIN SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03';
EXPLAIN SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE searchconthardwarefr3 index NULL PRIMARY 41 NULL 2 Using where; Using index
EXPLAIN SELECT (SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03');
1 SIMPLE t1 index NULL PRIMARY 41 NULL 2 Using where; Using index
EXPLAIN SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY No tables used
2 SUBSELECT searchconthardwarefr3 index NULL PRIMARY 41 NULL 2 Using where; Using index
SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03';
2 SUBSELECT t1 index NULL PRIMARY 41 NULL 2 Using where; Using index
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
date
2002-08-03
SELECT (SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03');
(SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03')
SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')
2002-08-03
SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
1
1
1
1
SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
Subselect returns more than 1 record
EXPLAIN SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION SELECT 1);
EXPLAIN SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY searchconthardwarefr3 index NULL topic 3 NULL 2 Using index
1 PRIMARY t1 index NULL topic 3 NULL 2 Using index
2 SUBSELECT No tables used
3 UNION No tables used
drop table searchconthardwarefr3;
drop table if exists forumconthardwarefr7, searchconthardwarefr7;
CREATE TABLE `forumconthardwarefr7` (
drop table t1;
CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
`maxnumrep` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`numeropost`),
UNIQUE KEY `maxnumrep` (`maxnumrep`)
) TYPE=MyISAM ROW_FORMAT=FIXED;
INSERT INTO forumconthardwarefr7 (numeropost,maxnumrep) VALUES (40143,1),(43506,2);
CREATE TABLE `searchconthardwarefr7` (
INSERT INTO t1 (numeropost,maxnumrep) VALUES (40143,1),(43506,2);
CREATE TABLE `t2` (
`mot` varchar(30) NOT NULL default '',
`topic` mediumint(8) unsigned NOT NULL default '0',
`date` date NOT NULL default '0000-00-00',
`pseudo` varchar(35) NOT NULL default '',
PRIMARY KEY (`mot`,`pseudo`,`date`,`topic`)
) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
INSERT INTO searchconthardwarefr7 (mot,topic,date,pseudo) VALUES ('joce','40143','2002-10-22','joce'), ('joce','43506','2002-10-22','joce');
select numeropost as a FROM forumconthardwarefr7 GROUP BY (SELECT 1 FROM forumconthardwarefr7 HAVING a=1);
INSERT INTO t2 (mot,topic,date,pseudo) VALUES ('joce','40143','2002-10-22','joce'), ('joce','43506','2002-10-22','joce');
select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
a
40143
SELECT numeropost,maxnumrep FROM forumconthardwarefr7 WHERE exists (SELECT 1 FROM searchconthardwarefr7 WHERE (mot='joce') AND date >= '2002-10-21' AND forumconthardwarefr7.numeropost = searchconthardwarefr7.topic) ORDER BY maxnumrep DESC LIMIT 0, 20;
SELECT numeropost,maxnumrep FROM t1 WHERE exists (SELECT 1 FROM t2 WHERE (mot='joce') AND date >= '2002-10-21' AND t1.numeropost = t2.topic) ORDER BY maxnumrep DESC LIMIT 0, 20;
numeropost maxnumrep
43506 2
40143 1
SELECT (SELECT 1) as a FROM (SELECT 1 FROM forumconthardwarefr7 HAVING a=1);
SELECT (SELECT 1) as a FROM (SELECT 1 FROM t1 HAVING a=1);
Unknown column 'a' in 'having clause'
drop table forumconthardwarefr7, searchconthardwarefr7;
drop table if exists forumconthardwarefr7;
CREATE TABLE `forumconthardwarefr7` (
drop table t1, t2;
drop table if exists t1;
CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
`maxnumrep` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`numeropost`),
UNIQUE KEY `maxnumrep` (`maxnumrep`)
) TYPE=MyISAM ROW_FORMAT=FIXED;
INSERT INTO forumconthardwarefr7 (numeropost,maxnumrep) VALUES (1,0),(2,1);
select numeropost as a FROM forumconthardwarefr7 GROUP BY (SELECT 1 FROM forumconthardwarefr7 HAVING a=1);
INSERT INTO t1 (numeropost,maxnumrep) VALUES (1,0),(2,1);
select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
Subselect returns more than 1 record
select numeropost as a FROM forumconthardwarefr7 ORDER BY (SELECT 1 FROM forumconthardwarefr7 HAVING a=1);
select numeropost as a FROM t1 ORDER BY (SELECT 1 FROM t1 HAVING a=1);
Subselect returns more than 1 record
drop table if exists forumconthardwarefr7;
drop table if exists iftest;
CREATE TABLE iftest (field char(1) NOT NULL DEFAULT 'b');
INSERT INTO iftest VALUES ();
SELECT field FROM iftest WHERE 1=(SELECT 1 UNION ALL SELECT 1 FROM (SELECT 1) HAVING field='b');
drop table t1;
CREATE TABLE t1 (field char(1) NOT NULL DEFAULT 'b');
INSERT INTO t1 VALUES ();
SELECT field FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1 FROM (SELECT 1) HAVING field='b');
Subselect returns more than 1 record
drop table iftest;
drop table if exists threadhardwarefr7;
CREATE TABLE `threadhardwarefr7` (
drop table t1;
CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL default '0',
`numreponse` int(10) unsigned NOT NULL auto_increment,
`pseudo` varchar(35) NOT NULL default '',
@ -285,20 +296,26 @@ PRIMARY KEY (`numeropost`,`numreponse`),
UNIQUE KEY `numreponse` (`numreponse`),
KEY `pseudo` (`pseudo`,`numeropost`)
) TYPE=MyISAM;
SELECT (SELECT numeropost FROM threadhardwarefr7 HAVING numreponse=a),numreponse FROM (SELECT * FROM threadhardwarefr7) as a;
SELECT (SELECT numeropost FROM t1 HAVING numreponse=a),numreponse FROM (SELECT * FROM t1) as a;
Reference 'numreponse' not supported (forward reference in item list)
SELECT numreponse, (SELECT numeropost FROM threadhardwarefr7 HAVING numreponse=a) FROM (SELECT * FROM threadhardwarefr7) as a;
SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=a) FROM (SELECT * FROM t1) as a;
Unknown column 'a' in 'having clause'
SELECT numreponse, (SELECT numeropost FROM threadhardwarefr7 HAVING numreponse=1) FROM (SELECT * FROM threadhardwarefr7) as a;
numreponse (SELECT numeropost FROM threadhardwarefr7 HAVING numreponse=1)
INSERT INTO threadhardwarefr7 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
EXPLAIN SELECT numreponse FROM threadhardwarefr7 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM threadhardwarefr7 WHERE numeropost='1');
SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT * FROM t1) as a;
numreponse (SELECT numeropost FROM t1 HAVING numreponse=1)
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
Subselect returns more than 1 record
EXPLAIN SELECT MAX(numreponse) FROM threadhardwarefr7 WHERE numeropost='1';
EXPLAIN SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE Select tables optimized away
EXPLAIN SELECT numreponse FROM threadhardwarefr7 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM threadhardwarefr7 WHERE numeropost='1');
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY threadhardwarefr7 const PRIMARY,numreponse PRIMARY 7 const,const 1
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1
2 SUBSELECT Select tables optimized away
drop table if exists threadhardwarefrtest7;
drop table t1;
CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1);
SELECT 1 FROM (SELECT a FROM t1) HAVING (SELECT a)=1;
1
1
drop table t1;

2
mysql-test/t/group_by.test
View File

@ -1,3 +1,5 @@
-- error 1111
SELECT 1 FROM (SELECT 1) GROUP BY SUM(1);
#
# Test of group (Failed for Lars Hoss <lh@pbm.de>)
#

130
mysql-test/t/subselect.test
View File

@ -8,7 +8,14 @@ SELECT (SELECT 1 FROM (SELECT 1) HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) HAVI
SELECT (SELECT 1),MAX(1) FROM (SELECT 1);
-- error 1245
SELECT (SELECT a) as a;
drop table if exists t1,t2,t3,t4,t5,attend,clinic,inscrit;
EXPLAIN SELECT 1 FROM (SELECT 1 as a) HAVING (SELECT a)=1;
SELECT 1 FROM (SELECT 1 as a) HAVING (SELECT a)=1;
-- error 1054
SELECT (SELECT 1), a;
SELECT 1 as a FROM (SELECT 1) HAVING (SELECT a)=1;
-- error 1054
SELECT 1 FROM (SELECT (SELECT a));
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
create table t1 (a int);
create table t2 (a int, b int);
create table t3 (a int);
@ -57,11 +64,11 @@ select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)
explain select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
-- error 1240
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
create table attend (patient_uq int, clinic_uq int, index i1 (clinic_uq));
create table clinic( uq int primary key, name char(25));
insert into clinic values(1,"Oblastnaia bolnitsa"),(2,"Bolnitsa Krasnogo Kresta");
insert into attend values (1,1),(1,2),(2,2),(1,3);
select * from attend where exists (select * from clinic where uq = clinic_uq);
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
create table t7( uq int primary key, name char(25));
insert into t7 values(1,"Oblastnaia bolnitsa"),(2,"Bolnitsa Krasnogo Kresta");
insert into t6 values (1,1),(1,2),(2,2),(1,3);
select * from t6 where exists (select * from t7 where uq = clinic_uq);
# not unique fields
-- error 1052
@ -80,62 +87,62 @@ SELECT * FROM t1 WHERE b = (SELECT MIN(b) FROM t1);
SELECT * FROM t2 WHERE b = (SELECT MIN(b) FROM t2);
SELECT * FROM t3 WHERE b = (SELECT MIN(b) FROM t3);
drop table if exists inscrit;
drop table if exists t8;
CREATE TABLE `inscrit` (
CREATE TABLE `t8` (
`pseudo` varchar(35) character set latin1 NOT NULL default '',
`email` varchar(60) character set latin1 NOT NULL default '',
PRIMARY KEY (`pseudo`),
UNIQUE KEY `email` (`email`)
) TYPE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;
INSERT INTO inscrit (pseudo,email) VALUES ('joce','test');
INSERT INTO inscrit (pseudo,email) VALUES ('joce1','test1');
INSERT INTO inscrit (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN SELECT pseudo,(SELECT email FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce')) FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce');
INSERT INTO t8 (pseudo,email) VALUES ('joce','test');
INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
-- error 1239
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo,email FROM
inscrit WHERE pseudo='joce');
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
-- error 1239
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT * FROM inscrit WHERE
SELECT pseudo FROM t8 WHERE pseudo=(SELECT * FROM t8 WHERE
pseudo='joce');
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce');
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
-- error 1240
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo LIKE '%joce%');
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo LIKE '%joce%');
drop table if exists t1,t2,t3,t4,t5,attend,clinic,inscrit;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
drop table if exists searchconthardwarefr3;
CREATE TABLE `searchconthardwarefr3` (
#searchconthardwarefr3
CREATE TABLE `t1` (
`topic` mediumint(8) unsigned NOT NULL default '0',
`date` date NOT NULL default '0000-00-00',
`pseudo` varchar(35) character set latin1 NOT NULL default '',
PRIMARY KEY (`pseudo`,`date`,`topic`),
KEY `topic` (`topic`)
) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
INSERT INTO searchconthardwarefr3 (topic,date,pseudo) VALUES
INSERT INTO t1 (topic,date,pseudo) VALUES
('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
EXPLAIN SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03';
EXPLAIN SELECT (SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03');
SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03';
SELECT (SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03');
SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
EXPLAIN SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
EXPLAIN SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
-- error 1240
SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
EXPLAIN SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION SELECT 1);
drop table searchconthardwarefr3;
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
EXPLAIN SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
drop table t1;
drop table if exists forumconthardwarefr7, searchconthardwarefr7;
CREATE TABLE `forumconthardwarefr7` (
#forumconthardwarefr7 searchconthardwarefr7
CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
`maxnumrep` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`numeropost`),
UNIQUE KEY `maxnumrep` (`maxnumrep`)
) TYPE=MyISAM ROW_FORMAT=FIXED;
INSERT INTO forumconthardwarefr7 (numeropost,maxnumrep) VALUES (40143,1),(43506,2);
INSERT INTO t1 (numeropost,maxnumrep) VALUES (40143,1),(43506,2);
CREATE TABLE `searchconthardwarefr7` (
CREATE TABLE `t2` (
`mot` varchar(30) NOT NULL default '',
`topic` mediumint(8) unsigned NOT NULL default '0',
`date` date NOT NULL default '0000-00-00',
@ -143,37 +150,38 @@ CREATE TABLE `searchconthardwarefr7` (
PRIMARY KEY (`mot`,`pseudo`,`date`,`topic`)
) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
INSERT INTO searchconthardwarefr7 (mot,topic,date,pseudo) VALUES ('joce','40143','2002-10-22','joce'), ('joce','43506','2002-10-22','joce');
select numeropost as a FROM forumconthardwarefr7 GROUP BY (SELECT 1 FROM forumconthardwarefr7 HAVING a=1);
SELECT numeropost,maxnumrep FROM forumconthardwarefr7 WHERE exists (SELECT 1 FROM searchconthardwarefr7 WHERE (mot='joce') AND date >= '2002-10-21' AND forumconthardwarefr7.numeropost = searchconthardwarefr7.topic) ORDER BY maxnumrep DESC LIMIT 0, 20;
INSERT INTO t2 (mot,topic,date,pseudo) VALUES ('joce','40143','2002-10-22','joce'), ('joce','43506','2002-10-22','joce');
select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
SELECT numeropost,maxnumrep FROM t1 WHERE exists (SELECT 1 FROM t2 WHERE (mot='joce') AND date >= '2002-10-21' AND t1.numeropost = t2.topic) ORDER BY maxnumrep DESC LIMIT 0, 20;
-- error 1054
SELECT (SELECT 1) as a FROM (SELECT 1 FROM forumconthardwarefr7 HAVING a=1);
drop table forumconthardwarefr7, searchconthardwarefr7;
SELECT (SELECT 1) as a FROM (SELECT 1 FROM t1 HAVING a=1);
drop table t1, t2;
drop table if exists forumconthardwarefr7;
CREATE TABLE `forumconthardwarefr7` (
#forumconthardwarefr7
drop table if exists t1;
CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
`maxnumrep` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`numeropost`),
UNIQUE KEY `maxnumrep` (`maxnumrep`)
) TYPE=MyISAM ROW_FORMAT=FIXED;
INSERT INTO forumconthardwarefr7 (numeropost,maxnumrep) VALUES (1,0),(2,1);
INSERT INTO t1 (numeropost,maxnumrep) VALUES (1,0),(2,1);
-- error 1240
select numeropost as a FROM forumconthardwarefr7 GROUP BY (SELECT 1 FROM forumconthardwarefr7 HAVING a=1);
select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
-- error 1240
select numeropost as a FROM forumconthardwarefr7 ORDER BY (SELECT 1 FROM forumconthardwarefr7 HAVING a=1);
drop table if exists forumconthardwarefr7;
select numeropost as a FROM t1 ORDER BY (SELECT 1 FROM t1 HAVING a=1);
drop table t1;
drop table if exists iftest;
CREATE TABLE iftest (field char(1) NOT NULL DEFAULT 'b');
INSERT INTO iftest VALUES ();
#iftest
CREATE TABLE t1 (field char(1) NOT NULL DEFAULT 'b');
INSERT INTO t1 VALUES ();
-- error 1240
SELECT field FROM iftest WHERE 1=(SELECT 1 UNION ALL SELECT 1 FROM (SELECT 1) HAVING field='b');
drop table iftest;
SELECT field FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1 FROM (SELECT 1) HAVING field='b');
drop table t1;
drop table if exists threadhardwarefr7;
CREATE TABLE `threadhardwarefr7` (
# threadhardwarefr7
CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL default '0',
`numreponse` int(10) unsigned NOT NULL auto_increment,
`pseudo` varchar(35) NOT NULL default '',
@ -182,13 +190,17 @@ CREATE TABLE `threadhardwarefr7` (
KEY `pseudo` (`pseudo`,`numeropost`)
) TYPE=MyISAM;
-- error 1245
SELECT (SELECT numeropost FROM threadhardwarefr7 HAVING numreponse=a),numreponse FROM (SELECT * FROM threadhardwarefr7) as a;
SELECT (SELECT numeropost FROM t1 HAVING numreponse=a),numreponse FROM (SELECT * FROM t1) as a;
-- error 1054
SELECT numreponse, (SELECT numeropost FROM threadhardwarefr7 HAVING numreponse=a) FROM (SELECT * FROM threadhardwarefr7) as a;
SELECT numreponse, (SELECT numeropost FROM threadhardwarefr7 HAVING numreponse=1) FROM (SELECT * FROM threadhardwarefr7) as a;
INSERT INTO threadhardwarefr7 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=a) FROM (SELECT * FROM t1) as a;
SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT * FROM t1) as a;
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
-- error 1240
EXPLAIN SELECT numreponse FROM threadhardwarefr7 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM threadhardwarefr7 WHERE numeropost='1');
EXPLAIN SELECT MAX(numreponse) FROM threadhardwarefr7 WHERE numeropost='1';
EXPLAIN SELECT numreponse FROM threadhardwarefr7 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM threadhardwarefr7 WHERE numeropost='1');
drop table if exists threadhardwarefrtest7;
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
EXPLAIN SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
drop table t1;
CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1);
SELECT 1 FROM (SELECT a FROM t1) HAVING (SELECT a)=1;
drop table t1;

8
sql/field.h
View File

@ -126,10 +126,12 @@ public:
Field *tmp= (Field*) memdup_root(root,(char*) this,size_of());
if (tmp)
{
tmp->table=new_table;
tmp->key_start=tmp->part_of_key=tmp->part_of_sortkey=0;
tmp->table= new_table;
tmp->key_start= tmp->part_of_key= tmp->part_of_sortkey= 0;
tmp->unireg_check=Field::NONE;
tmp->flags&= (NOT_NULL_FLAG | BLOB_FLAG | UNSIGNED_FLAG | ZEROFILL_FLAG | ENUM_FLAG | SET_FLAG);
tmp->flags&= (NOT_NULL_FLAG | BLOB_FLAG | UNSIGNED_FLAG |
ZEROFILL_FLAG | ENUM_FLAG | SET_FLAG);
tmp->table_name= new_table->table_name;
tmp->reset_fields();
}
return tmp;

33
sql/item.cc
View File

@ -468,11 +468,12 @@ bool Item_field::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
(last= sl)->get_table_list(),
0)) != not_found_field)
break;
if((refer= find_item_in_list(this, (last= sl)->item_list,
if ((refer= find_item_in_list(this, sl->item_list,
REPORT_EXCEPT_NOT_FOUND)) !=
(Item **)not_found_item)
break;
if (sl->linkage == DERIVED_TABLE_TYPE)
break; // do not look over derived table
}
if (!tmp)
return -1;
@ -487,7 +488,7 @@ bool Item_field::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
else if (refer != (Item **)not_found_item)
{
Item_ref *r;
*ref= r= new Item_ref((char *)db_name, (char *)table_name,
*ref= r= new Item_ref(refer, (char *)table_name,
(char *)field_name);
if (!r)
return 1;
@ -867,6 +868,7 @@ bool Item_ref::fix_fields(THD *thd,TABLE_LIST *tables, Item **reference)
REPORT_ALL_ERRORS))) ==
(Item **)not_found_item)
{
Field *tmp= (Field*) not_found_field;
/*
We can't find table field in table list of current select,
consequently we have to find it in outer subselect(s).
@ -878,16 +880,23 @@ bool Item_ref::fix_fields(THD *thd,TABLE_LIST *tables, Item **reference)
*/
SELECT_LEX *last=0;
for ( ; sl ; sl= sl->outer_select())
if((ref= find_item_in_list(this, (last= sl)->item_list,
{
if ((ref= find_item_in_list(this, (last= sl)->item_list,
REPORT_EXCEPT_NOT_FOUND)) !=
(Item **)not_found_item)
break;
if ((tmp= find_field_in_tables(thd, this,
sl->get_table_list(),
0)) != not_found_field);
if (sl->linkage == DERIVED_TABLE_TYPE)
break; // do not look over derived table
}
if (!ref)
{
return 1;
}
else if (ref == (Item **)not_found_item)
else if (!tmp)
return -1;
else if (ref == (Item **)not_found_item && tmp == not_found_field)
{
// Call to report error
find_item_in_list(this,
@ -896,6 +905,16 @@ bool Item_ref::fix_fields(THD *thd,TABLE_LIST *tables, Item **reference)
ref= 0;
return 1;
}
else if (tmp != not_found_field)
{
ref= 0; // To prevent "delete *ref;" on ~Item_erf() of this item
Item_field* f;
if (!((*reference)= f= new Item_field(tmp)))
return 1;
f->depended_from= last;
thd->lex.current_select->mark_as_dependent(last);
return 0;
}
else
{
depended_from= last;

14
sql/item_subselect.cc
View File

@ -81,6 +81,7 @@ void Item_subselect::make_field (Send_field *tmp_field)
bool Item_subselect::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
{
char const *save_where= thd->where;
int res= engine->prepare();
if (!res)
{
@ -93,6 +94,7 @@ bool Item_subselect::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
fix_length_and_dec();
}
fixed= 1;
thd->where= save_where;
return res;
}
@ -312,11 +314,13 @@ void subselect_union_engine::fix_length_and_dec()
int subselect_single_select_engine::exec()
{
DBUG_ENTER("subselect_single_select_engine::exec");
char const *save_where= join->thd->where;
if (!optimized)
{
optimized=1;
if (join->optimize())
{
join->thd->where= save_where;
executed= 1;
DBUG_RETURN(join->error?join->error:1);
}
@ -324,7 +328,10 @@ int subselect_single_select_engine::exec()
if (select_lex->dependent && executed)
{
if (join->reinit())
{
join->thd->where= save_where;
DBUG_RETURN(1);
}
item->assign_null();
item->assigned((executed= 0));
}
@ -335,14 +342,19 @@ int subselect_single_select_engine::exec()
join->exec();
join->thd->lex.current_select= save_select;
executed= 1;
join->thd->where= save_where;
DBUG_RETURN(join->error||thd->fatal_error);
}
join->thd->where= save_where;
DBUG_RETURN(0);
}
int subselect_union_engine::exec()
{
return unit->exec();
char const *save_where= unit->thd->where;
int res= unit->exec();
unit->thd->where= save_where;
return res;
}
uint subselect_single_select_engine::cols()

2
sql/mysql_priv.h
View File

@ -464,7 +464,7 @@ bool table_is_used(TABLE *table, bool wait_for_name_lock);
bool drop_locked_tables(THD *thd,const char *db, const char *table_name);
void abort_locked_tables(THD *thd,const char *db, const char *table_name);
extern const Field *not_found_field;
Field *find_field_in_tables(THD *thd, Item_field *item, TABLE_LIST *tables,
Field *find_field_in_tables(THD *thd, Item_ident *item, TABLE_LIST *tables,
bool report_error);
Field *find_field_in_table(THD *thd,TABLE *table,const char *name,uint length,
bool check_grant,bool allow_rowid);

4
sql/opt_range.cc
View File

@ -932,7 +932,7 @@ get_mm_leaf(PARAM *param, Field *field, KEY_PART *key_part,
String tmp(buff1,sizeof(buff1),default_charset_info),*res;
uint length,offset,min_length,max_length;
if (!field->optimize_range((uint) key_part->key))
if (!field->optimize_range(param->real_keynr[key_part->key]))
DBUG_RETURN(0); // Can't optimize this
if (!(res= value->val_str(&tmp)))
DBUG_RETURN(&null_element);
@ -1002,7 +1002,7 @@ get_mm_leaf(PARAM *param, Field *field, KEY_PART *key_part,
DBUG_RETURN(tree);
}
if (!field->optimize_range((uint) key_part->key) &&
if (!field->optimize_range(param->real_keynr[key_part->key]) &&
type != Item_func::EQ_FUNC &&
type != Item_func::EQUAL_FUNC)
DBUG_RETURN(0); // Can't optimize this

10
sql/sql_base.cc
View File

@ -1861,7 +1861,7 @@ const Field *not_found_field= (Field*) 0x1;
*/
Field *
find_field_in_tables(THD *thd, Item_field *item, TABLE_LIST *tables,
find_field_in_tables(THD *thd, Item_ident *item, TABLE_LIST *tables,
bool report_error)
{
Field *found=0;
@ -2061,9 +2061,9 @@ int setup_fields(THD *thd, TABLE_LIST *tables, List<Item> &fields,
if (item->type() == Item::FIELD_ITEM &&
((Item_field*) item)->field_name[0] == '*')
{
uint elem=fields.elements;
uint elem= fields.elements;
if (insert_fields(thd,tables,((Item_field*) item)->db_name,
((Item_field*) item)->table_name,&it))
((Item_field*) item)->table_name, &it))
DBUG_RETURN(-1); /* purecov: inspected */
if (sum_func_list)
{
@ -2079,6 +2079,7 @@ int setup_fields(THD *thd, TABLE_LIST *tables, List<Item> &fields,
{
if (item->fix_fields(thd, tables, it.ref()))
DBUG_RETURN(-1); /* purecov: inspected */
item= *(it.ref()); //Item can be chenged in fix fields
if (item->with_sum_func && item->type() != Item::SUM_FUNC_ITEM &&
sum_func_list)
item->split_sum_func(*sum_func_list);
@ -2227,8 +2228,6 @@ int setup_conds(THD *thd,TABLE_LIST *tables,COND **conds)
thd->set_query_id=1;
thd->cond_count= 0;
bool save_allow_sum_func= thd->allow_sum_func;
thd->allow_sum_func= 0;
if (*conds)
{
thd->where="where clause";
@ -2301,7 +2300,6 @@ int setup_conds(THD *thd,TABLE_LIST *tables,COND **conds)
table->on_expr=and_conds(table->on_expr,cond_and);
}
}
thd->allow_sum_func= save_allow_sum_func;
DBUG_RETURN(test(thd->fatal_error));
}

1
sql/sql_lex.h
View File

@ -294,6 +294,7 @@ public:
int cleanup();
friend void mysql_init_query(THD *thd);
friend int subselect_union_engine::exec();
private:
bool create_total_list_n_last_return(THD *thd, st_lex *lex,
TABLE_LIST ***result);

26
sql/sql_select.cc
View File

@ -199,6 +199,26 @@ void fix_tables_pointers(SELECT_LEX *select_lex)
}
}
/*
Inline function to setup clauses without sum functions
*/
inline int setup_without_group(THD *thd, TABLE_LIST *tables,
List<Item> &fields,
List<Item> &all_fields,
COND **conds,
ORDER *order,
ORDER *group, bool *hidden_group_fields)
{
bool save_allow_sum_func= thd->allow_sum_func;
thd->allow_sum_func= 0;
int res= (setup_conds(thd,tables, conds) ||
setup_order(thd,tables, fields, all_fields, order) ||
setup_group(thd,tables, fields, all_fields, group,
hidden_group_fields));
thd->allow_sum_func= save_allow_sum_func;
return res;
}
/*****************************************************************************
Check fields, find best join, do the select and output fields.
mysql_select assumes that all tables are already opened
@ -233,10 +253,8 @@ JOIN::prepare(TABLE_LIST *tables_init,
if (setup_tables(tables_list) ||
setup_fields(thd,tables_list,fields_list,1,&all_fields,1) ||
setup_conds(thd,tables_list,&conds) ||
setup_order(thd,tables_list,fields_list,all_fields,order) ||
setup_group(thd,tables_list,fields_list,all_fields,group_list,
&hidden_group_fields))
setup_without_group(thd, tables_list, fields_list, all_fields,
&conds, order, group_list, &hidden_group_fields))
DBUG_RETURN(-1); /* purecov: inspected */
if (having)