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933e16a388
fixed mustiupdate subselect compatibility (bug 217) mysql-test/r/subselect.result: test of multi-update & subselect mysql-test/t/subselect.test: test of multi-update & subselect sql/sql_update.cc: added subselect compatibility to query cache sql/sql_yacc.yy: right st_select_lex initialization layout fix
693 lines
27 KiB
Plaintext
693 lines
27 KiB
Plaintext
# Initialise
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--disable_warnings
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
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--enable_warnings
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select (select 2);
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explain select (select 2);
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SELECT (SELECT 1) UNION SELECT (SELECT 2);
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explain SELECT (SELECT 1) UNION SELECT (SELECT 2);
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SELECT (SELECT (SELECT 0 UNION SELECT 0));
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explain SELECT (SELECT (SELECT 0 UNION SELECT 0));
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-- error 1245
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SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
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-- error 1245
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SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
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SELECT (SELECT 1),MAX(1) FROM (SELECT 1) as a;
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-- error 1245
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SELECT (SELECT a) as a;
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EXPLAIN SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
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SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
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-- error 1054
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SELECT (SELECT 1), a;
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SELECT 1 as a FROM (SELECT 1) as b HAVING (SELECT a)=1;
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-- error 1054
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SELECT 1 FROM (SELECT (SELECT a) b) c;
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SELECT * FROM (SELECT 1 as id) b WHERE id IN (SELECT * FROM (SELECT 1 as id) c ORDER BY id);
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-- error 1239
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SELECT * FROM (SELECT 1) a WHERE 1 IN (SELECT 1,1);
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SELECT 1 IN (SELECT 1);
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SELECT 1 FROM (SELECT 1 as a) b WHERE 1 IN (SELECT (SELECT a));
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-- error 1221
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select (SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE(1));
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-- error 1108
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SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE((SELECT 1));
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SELECT (SELECT 1) as a FROM (SELECT 1) b WHERE (SELECT a) IS NULL;
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SELECT (SELECT 1) as a FROM (SELECT 1) b WHERE (SELECT a) IS NOT NULL;
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SELECT (SELECT 1,2,3) = ROW(1,2,3);
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SELECT (SELECT 1,2,3) = ROW(1,2,1);
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SELECT (SELECT 1,2,3) < ROW(1,2,1);
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SELECT (SELECT 1,2,3) > ROW(1,2,1);
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SELECT (SELECT 1,2,3) = ROW(1,2,NULL);
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SELECT ROW(1,2,3) = (SELECT 1,2,3);
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SELECT ROW(1,2,3) = (SELECT 1,2,1);
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SELECT ROW(1,2,3) < (SELECT 1,2,1);
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SELECT ROW(1,2,3) > (SELECT 1,2,1);
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SELECT ROW(1,2,3) = (SELECT 1,2,NULL);
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SELECT (SELECT 1.5,2,'a') = ROW(1.5,2,'a');
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SELECT (SELECT 1.5,2,'a') = ROW(1.5,2,'b');
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SELECT (SELECT 1.5,2,'a') = ROW('b',2,'b');
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SELECT (SELECT 'b',2,'a') = ROW(1.5,2,'a');
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SELECT (SELECT 1.5,2,'a') = ROW(1.5,'c','a');
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SELECT (SELECT 1.5,'c','a') = ROW(1.5,2,'a');
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-- error 1239
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SELECT (SELECT * FROM (SELECT 'test' a,'test' b) a);
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SELECT 1 as a,(SELECT a+a) b,(SELECT b);
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create table t1 (a int);
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create table t2 (a int, b int);
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create table t3 (a int);
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create table t4 (a int, b int);
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insert into t1 values (2);
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insert into t2 values (1,7),(2,7);
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insert into t4 values (4,8),(3,8),(5,9);
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-- error 1245
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select (select a from t1 where t1.a = a1) as a2, (select b from t2 where t2.b=a2) as a1;
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select (select a from t1 where t1.a=t2.a), a from t2;
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select (select a from t1 where t1.a=t2.b), a from t2;
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select (select a from t1), a from t2;
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select (select a from t3), a from t2;
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select * from t2 where t2.a=(select a from t1);
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insert into t3 values (6),(7),(3);
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select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1);
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(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 order by a limit 2) limit 3;
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(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
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explain (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
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select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
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select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
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(select * from t2 where a>1) as tt;
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explain select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
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(select * from t2 where a>1) as tt;
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select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
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select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a > t1.a) order by 1 desc limit 1);
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select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a < t1.a) order by 1 desc limit 1);
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select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
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explain select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
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select * from t3 where exists (select * from t2 where t2.b=t3.a);
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select * from t3 where not exists (select * from t2 where t2.b=t3.a);
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select * from t3 where a in (select b from t2);
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select * from t3 where a not in (select b from t2);
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select * from t3 where a = some (select b from t2);
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select * from t3 where a <> any (select b from t2);
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# Rewrite: select * from t3 where not exists (select b from t2 where a <> b);
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select * from t3 where a = all (select b from t2);
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select * from t3 where a <> all (select b from t2);
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insert into t2 values (100, 5);
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select * from t3 where a < any (select b from t2);
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select * from t3 where a < all (select b from t2);
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select * from t3 where a >= any (select b from t2);
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select * from t3 where a >= all (select b from t2);
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delete from t2 where a=100;
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-- error 1239
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select * from t3 where a in (select a,b from t2);
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-- error 1239
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select * from t3 where a in (select * from t2);
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insert into t4 values (12,7),(1,7),(10,9),(9,6),(7,6),(3,9);
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select b,max(a) as ma from t4 group by b having b < (select max(t2.a)
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from t2 where t2.b=t4.b);
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select b,max(a) as ma from t4 group by b having b >= (select max(t2.a)
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from t2 where t2.b=t4.b);
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create table t5 (a int);
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select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
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insert into t5 values (5);
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select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
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insert into t5 values (2);
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select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
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explain select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
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-- error 1240
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select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
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create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
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create table t7( uq int primary key, name char(25));
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insert into t7 values(1,"Oblastnaia bolnitsa"),(2,"Bolnitsa Krasnogo Kresta");
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insert into t6 values (1,1),(1,2),(2,2),(1,3);
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select * from t6 where exists (select * from t7 where uq = clinic_uq);
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# not unique fields
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-- error 1052
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select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
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# different tipes & group functions
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drop table if exists t1,t2,t3;
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CREATE TABLE t3 (a varchar(20),b char(1) NOT NULL default '0');
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INSERT INTO t3 VALUES ('W','a'),('A','c'),('J','b');
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CREATE TABLE t2 (a varchar(20),b int NOT NULL default '0');
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INSERT INTO t2 VALUES ('W','1'),('A','3'),('J','2');
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CREATE TABLE t1 (a varchar(20),b date NOT NULL default '0000-00-00');
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INSERT INTO t1 VALUES ('W','1732-02-22'),('A','1735-10-30'),('J','1743-04-13');
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SELECT * FROM t1 WHERE b = (SELECT MIN(b) FROM t1);
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SELECT * FROM t2 WHERE b = (SELECT MIN(b) FROM t2);
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SELECT * FROM t3 WHERE b = (SELECT MIN(b) FROM t3);
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CREATE TABLE `t8` (
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`pseudo` varchar(35) character set latin1 NOT NULL default '',
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`email` varchar(60) character set latin1 NOT NULL default '',
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PRIMARY KEY (`pseudo`),
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UNIQUE KEY `email` (`email`)
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) TYPE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;
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INSERT INTO t8 (pseudo,email) VALUES ('joce','test');
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INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
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INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
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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');
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-- error 1239
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SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
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t8 WHERE pseudo='joce');
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-- error 1239
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SELECT pseudo FROM t8 WHERE pseudo=(SELECT * FROM t8 WHERE
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pseudo='joce');
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SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
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-- error 1240
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SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo LIKE '%joce%');
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
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#searchconthardwarefr3 forumconthardwarefr7
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CREATE TABLE `t1` (
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`topic` mediumint(8) unsigned NOT NULL default '0',
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`date` date NOT NULL default '0000-00-00',
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`pseudo` varchar(35) character set latin1 NOT NULL default '',
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PRIMARY KEY (`pseudo`,`date`,`topic`),
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KEY `topic` (`topic`)
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) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
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INSERT INTO t1 (topic,date,pseudo) VALUES
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('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
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EXPLAIN SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
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EXPLAIN SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
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SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
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SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
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SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
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-- error 1240
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SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
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EXPLAIN SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
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drop table t1;
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#forumconthardwarefr7 searchconthardwarefr7
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CREATE TABLE `t1` (
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`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
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`maxnumrep` int(10) unsigned NOT NULL default '0',
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PRIMARY KEY (`numeropost`),
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UNIQUE KEY `maxnumrep` (`maxnumrep`)
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) TYPE=MyISAM ROW_FORMAT=FIXED;
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INSERT INTO t1 (numeropost,maxnumrep) VALUES (40143,1),(43506,2);
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CREATE TABLE `t2` (
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`mot` varchar(30) NOT NULL default '',
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`topic` mediumint(8) unsigned NOT NULL default '0',
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`date` date NOT NULL default '0000-00-00',
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`pseudo` varchar(35) NOT NULL default '',
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PRIMARY KEY (`mot`,`pseudo`,`date`,`topic`)
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) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
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INSERT INTO t2 (mot,topic,date,pseudo) VALUES ('joce','40143','2002-10-22','joce'), ('joce','43506','2002-10-22','joce');
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select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
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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;
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-- error 1054
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SELECT (SELECT 1) as a FROM (SELECT 1 FROM t1 HAVING a=1) b;
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-- error 1054
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SELECT 1 IN (SELECT 1 FROM t2 HAVING a);
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SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY topic);
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SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100);
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SELECT * from t2 where topic IN (SELECT SUM(topic) FROM t1);
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SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic);
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SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100);
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SELECT * from t2 where topic = any (SELECT SUM(topic) FROM t1);
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SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic);
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SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100);
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SELECT *, topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100) from t2;
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SELECT * from t2 where topic = all (SELECT SUM(topic) FROM t2);
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SELECT * from t2 where topic <> any (SELECT SUM(topic) FROM t2);
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SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
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SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
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SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
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SELECT *, topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000) from t2;
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drop table t1,t2;
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#forumconthardwarefr7
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CREATE TABLE `t1` (
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`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
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`maxnumrep` int(10) unsigned NOT NULL default '0',
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PRIMARY KEY (`numeropost`),
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UNIQUE KEY `maxnumrep` (`maxnumrep`)
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) TYPE=MyISAM ROW_FORMAT=FIXED;
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INSERT INTO t1 (numeropost,maxnumrep) VALUES (1,0),(2,1);
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-- error 1240
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select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
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-- error 1240
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select numeropost as a FROM t1 ORDER BY (SELECT 1 FROM t1 HAVING a=1);
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drop table t1;
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#iftest
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CREATE TABLE t1 (field char(1) NOT NULL DEFAULT 'b');
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INSERT INTO t1 VALUES ();
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-- error 1240
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SELECT field FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1 FROM (SELECT 1) a HAVING field='b');
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drop table t1;
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# threadhardwarefr7
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CREATE TABLE `t1` (
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`numeropost` mediumint(8) unsigned NOT NULL default '0',
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`numreponse` int(10) unsigned NOT NULL auto_increment,
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`pseudo` varchar(35) NOT NULL default '',
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PRIMARY KEY (`numeropost`,`numreponse`),
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UNIQUE KEY `numreponse` (`numreponse`),
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KEY `pseudo` (`pseudo`,`numeropost`)
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) TYPE=MyISAM;
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-- error 1245
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SELECT (SELECT numeropost FROM t1 HAVING numreponse=a),numreponse FROM (SELECT * FROM t1) as a;
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-- error 1054
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SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=a) FROM (SELECT * FROM t1) as a;
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SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT * FROM t1) as a;
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INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
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-- error 1240
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EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
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EXPLAIN SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
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EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
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drop table t1;
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CREATE TABLE t1 (a int(1));
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INSERT INTO t1 VALUES (1);
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SELECT 1 FROM (SELECT a FROM t1) b HAVING (SELECT b.a)=1;
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drop table t1;
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#update with subselects
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create table t1 (a int NOT NULL, b int, primary key (a));
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create table t2 (a int NOT NULL, b int, primary key (a));
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insert into t1 values (0, 10),(1, 11),(2, 12);
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insert into t2 values (1, 21),(2, 22),(3, 23);
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select * from t1;
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-- error 1093
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update t1 set b= (select b from t1);
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-- error 1240
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update t1 set b= (select b from t2);
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update t1 set b= (select b from t2 where t1.a = t2.a);
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select * from t1;
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drop table t1, t2;
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#delete with subselects
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create table t1 (a int NOT NULL, b int, primary key (a));
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create table t2 (a int NOT NULL, b int, primary key (a));
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insert into t1 values (0, 10),(1, 11),(2, 12);
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insert into t2 values (1, 21),(2, 12),(3, 23);
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select * from t1;
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select * from t1 where b = (select b from t2 where t1.a = t2.a);
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-- error 1093
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delete from t1 where b = (select b from t1);
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-- error 1240
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delete from t1 where b = (select b from t2);
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delete from t1 where b = (select b from t2 where t1.a = t2.a);
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select * from t1;
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drop table t1, t2;
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#multi-delete with subselects
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create table t11 (a int NOT NULL, b int, primary key (a));
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create table t12 (a int NOT NULL, b int, primary key (a));
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create table t2 (a int NOT NULL, b int, primary key (a));
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insert into t11 values (0, 10),(1, 11),(2, 12);
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insert into t12 values (33, 10),(22, 11),(2, 12);
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insert into t2 values (1, 21),(2, 12),(3, 23);
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select * from t11;
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select * from t12;
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-- error 1093
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delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b = (select b from t12 where t11.a = t12.a);
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-- error 1240
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delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b = (select b from t2);
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delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b = (select b from t2 where t11.a = t2.a);
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select * from t11;
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select * from t12;
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drop table t11, t12, t2;
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#insert with subselects
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CREATE TABLE t1 (x int);
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create table t2 (a int);
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create table t3 (a int);
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insert into t2 values (1);
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insert into t3 values (1),(2);
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-- error 1093
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INSERT INTO t1 (x) VALUES ((SELECT x FROM t1));
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-- error 1240
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INSERT INTO t1 (x) VALUES ((SELECT a FROM t3));
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INSERT INTO t1 (x) VALUES ((SELECT a FROM t2));
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select * from t1;
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insert into t2 values (1);
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INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(a) FROM t2));
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-- sleep 1
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select * from t1;
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INSERT INTO t1 (x) select (SELECT SUM(a)+1 FROM t2) FROM t2;
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select * from t1;
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-- error 1093
|
||
INSERT INTO t1 (x) select (SELECT SUM(x)+2 FROM t1) FROM t2;
|
||
INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(x) FROM t2));
|
||
-- sleep 1
|
||
select * from t1;
|
||
drop table t1, t2, t3;
|
||
|
||
#replace with subselects
|
||
CREATE TABLE t1 (x int not null, y int, primary key (x));
|
||
create table t2 (a int);
|
||
create table t3 (a int);
|
||
insert into t2 values (1);
|
||
insert into t3 values (1),(2);
|
||
select * from t1;
|
||
-- error 1093
|
||
replace into t1 (x, y) VALUES ((SELECT x FROM t1), (SELECT a+1 FROM t2));
|
||
-- error 1240
|
||
replace into t1 (x, y) VALUES ((SELECT a FROM t3), (SELECT a+1 FROM t2));
|
||
replace into t1 (x, y) VALUES ((SELECT a FROM t2), (SELECT a+1 FROM t2));
|
||
select * from t1;
|
||
replace into t1 (x, y) VALUES ((SELECT a FROM t2), (SELECT a+2 FROM t2));
|
||
select * from t1;
|
||
replace DELAYED into t1 (x, y) VALUES ((SELECT a+3 FROM t2), (SELECT a FROM t2));
|
||
-- sleep 1
|
||
select * from t1;
|
||
replace DELAYED into t1 (x, y) VALUES ((SELECT a+3 FROM t2), (SELECT a+1 FROM t2));
|
||
-- sleep 1
|
||
select * from t1;
|
||
replace LOW_PRIORITY into t1 (x, y) VALUES ((SELECT a+1 FROM t2), (SELECT a FROM t2));
|
||
select * from t1;
|
||
drop table t1, t2, t3;
|
||
|
||
-- error 1096
|
||
SELECT * FROM (SELECT 1) b WHERE 1 IN (SELECT *);
|
||
|
||
CREATE TABLE t2 (id int(11) default NULL, KEY id (id)) TYPE=MyISAM CHARSET=latin1;
|
||
INSERT INTO t2 VALUES (1),(2);
|
||
SELECT * FROM t2 WHERE id IN (SELECT 1);
|
||
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1);
|
||
SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
|
||
SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
|
||
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
|
||
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
|
||
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
|
||
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
|
||
-- error 1093
|
||
INSERT INTO t2 VALUES ((SELECT * FROM t2));
|
||
SELECT * FROM t2;
|
||
CREATE TABLE t1 (id int(11) default NULL, KEY id (id)) TYPE=MyISAM CHARSET=latin1;
|
||
INSERT INTO t1 values (1),(1);
|
||
-- error 1240
|
||
UPDATE t2 SET id=(SELECT * FROM t1);
|
||
drop table t2, t1;
|
||
|
||
#NULL test
|
||
create table t1 (a int);
|
||
insert into t1 values (1),(2),(3);
|
||
select 1 IN (SELECT * from t1);
|
||
select 10 IN (SELECT * from t1);
|
||
select NULL IN (SELECT * from t1);
|
||
update t1 set a=NULL where a=2;
|
||
select 1 IN (SELECT * from t1);
|
||
select 3 IN (SELECT * from t1);
|
||
select 10 IN (SELECT * from t1);
|
||
select 1 > ALL (SELECT * from t1);
|
||
select 10 > ALL (SELECT * from t1);
|
||
select 1 > ANY (SELECT * from t1);
|
||
select 10 > ANY (SELECT * from t1);
|
||
drop table t1;
|
||
create table t1 (a varchar(20));
|
||
insert into t1 values ('A'),('BC'),('DEF');
|
||
select 'A' IN (SELECT * from t1);
|
||
select 'XYZS' IN (SELECT * from t1);
|
||
select NULL IN (SELECT * from t1);
|
||
update t1 set a=NULL where a='BC';
|
||
select 'A' IN (SELECT * from t1);
|
||
select 'DEF' IN (SELECT * from t1);
|
||
select 'XYZS' IN (SELECT * from t1);
|
||
select 'A' > ALL (SELECT * from t1);
|
||
select 'XYZS' > ALL (SELECT * from t1);
|
||
select 'A' > ANY (SELECT * from t1);
|
||
select 'XYZS' > ANY (SELECT * from t1);
|
||
drop table t1;
|
||
create table t1 (a float);
|
||
insert into t1 values (1.5),(2.5),(3.5);
|
||
select 1.5 IN (SELECT * from t1);
|
||
select 10.5 IN (SELECT * from t1);
|
||
select NULL IN (SELECT * from t1);
|
||
update t1 set a=NULL where a=2.5;
|
||
select 1.5 IN (SELECT * from t1);
|
||
select 3.5 IN (SELECT * from t1);
|
||
select 10.5 IN (SELECT * from t1);
|
||
select 1.5 > ALL (SELECT * from t1);
|
||
select 10.5 > ALL (SELECT * from t1);
|
||
select 1.5 > ANY (SELECT * from t1);
|
||
select 10.5 > ANY (SELECT * from t1);
|
||
explain select (select a+1) from t1;
|
||
select (select a+1) from t1;
|
||
drop table t1;
|
||
|
||
#
|
||
# Null with keys
|
||
#
|
||
|
||
CREATE TABLE t1 (a int(11) NOT NULL default '0', PRIMARY KEY (a));
|
||
CREATE TABLE t2 (a int(11) default '0', INDEX (a));
|
||
INSERT INTO t1 VALUES (1),(2),(3),(4);
|
||
INSERT INTO t2 VALUES (1),(2),(3);
|
||
SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
|
||
explain SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
|
||
drop table t1,t2;
|
||
|
||
#LIMIT is not supported now
|
||
create table t1 (a float);
|
||
-- error 1235
|
||
select 10.5 IN (SELECT * from t1 LIMIT 1);
|
||
-- error 1235
|
||
select 10.5 IN (SELECT * from t1 LIMIT 1 UNION SELECT 1.5);
|
||
drop table t1;
|
||
|
||
create table t1 (a int, b int, c varchar(10));
|
||
create table t2 (a int);
|
||
insert into t1 values (1,2,'a'),(2,3,'b'),(3,4,'c');
|
||
insert into t2 values (1),(2),(NULL);
|
||
select a, (select a,b,c from t1 where t1.a=t2.a) = ROW(a,2,'a'),(select c from t1 where a=t2.a) from t2;
|
||
select a, (select a,b,c from t1 where t1.a=t2.a) = ROW(a,3,'b'),(select c from t1 where a=t2.a) from t2;
|
||
select a, (select a,b,c from t1 where t1.a=t2.a) = ROW(a,4,'c'),(select c from t1 where a=t2.a) from t2;
|
||
drop table t1,t2;
|
||
|
||
create table t1 (a int, b real, c varchar(10));
|
||
insert into t1 values (1, 1, 'a'), (2,2,'b'), (NULL, 2, 'b');
|
||
select ROW(1, 1, 'a') IN (select a,b,c from t1);
|
||
select ROW(1, 2, 'a') IN (select a,b,c from t1);
|
||
select ROW(1, 1, 'a') IN (select b,a,c from t1);
|
||
select ROW(1, 1, 'a') IN (select a,b,c from t1 where a is not null);
|
||
select ROW(1, 2, 'a') IN (select a,b,c from t1 where a is not null);
|
||
select ROW(1, 1, 'a') IN (select b,a,c from t1 where a is not null);
|
||
select ROW(1, 1, 'a') IN (select a,b,c from t1 where c='b' or c='a');
|
||
select ROW(1, 2, 'a') IN (select a,b,c from t1 where c='b' or c='a');
|
||
select ROW(1, 1, 'a') IN (select b,a,c from t1 where c='b' or c='a');
|
||
-- error 1235
|
||
select ROW(1, 1, 'a') IN (select b,a,c from t1 limit 2);
|
||
drop table t1;
|
||
|
||
create table t1 (a int);
|
||
insert into t1 values (1);
|
||
do @a:=(SELECT a from t1);
|
||
select @a;
|
||
set @a:=2;
|
||
set @a:=(SELECT a from t1);
|
||
select @a;
|
||
drop table t1;
|
||
-- error 1146
|
||
do (SELECT a from t1);
|
||
-- error 1146
|
||
set @a:=(SELECT a from t1);
|
||
|
||
CREATE TABLE t1 (a int, KEY(a));
|
||
HANDLER t1 OPEN;
|
||
-- error 1149
|
||
HANDLER t1 READ a=((SELECT 1));
|
||
HANDLER t1 CLOSE;
|
||
drop table t1;
|
||
|
||
create table t1 (a int);
|
||
create table t2 (b int);
|
||
insert into t1 values (1),(2);
|
||
insert into t2 values (1);
|
||
select a from t1 where a in (select a from t1 where a in (select b from t2));
|
||
drop table t1, t2;
|
||
|
||
create table t1 (a int, b int);
|
||
create table t2 like t1;
|
||
insert into t1 values (1,2),(1,3),(1,4),(1,5);
|
||
insert into t2 values (1,2),(1,3);
|
||
select * from t1 where row(a,b) in (select a,b from t2);
|
||
drop table t1, t2;
|
||
|
||
CREATE TABLE `t1` (`i` int(11) NOT NULL default '0',PRIMARY KEY (`i`)) TYPE=MyISAM CHARSET=latin1;
|
||
INSERT INTO t1 VALUES (1);
|
||
-- error 1111
|
||
UPDATE t1 SET i=i+1 WHERE i=(SELECT MAX(i));
|
||
drop table t1;
|
||
|
||
#test of uncacheable subqueries
|
||
CREATE TABLE t1 (a int(1));
|
||
EXPLAIN SELECT (SELECT RAND() FROM t1) FROM t1;
|
||
EXPLAIN SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
|
||
EXPLAIN SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
|
||
drop table t1;
|
||
|
||
|
||
CREATE TABLE `t1` (
|
||
`mot` varchar(30) character set latin1 NOT NULL default '',
|
||
`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 (`mot`,`pseudo`,`date`,`topic`),
|
||
KEY `pseudo` (`pseudo`,`date`,`topic`),
|
||
KEY `topic` (`topic`)
|
||
) TYPE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;
|
||
|
||
CREATE TABLE `t2` (
|
||
`mot` varchar(30) character set latin1 NOT NULL default '',
|
||
`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 (`mot`,`pseudo`,`date`,`topic`),
|
||
KEY `pseudo` (`pseudo`,`date`,`topic`),
|
||
KEY `topic` (`topic`)
|
||
) TYPE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;
|
||
|
||
CREATE TABLE `t3` (
|
||
`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 CHARSET=latin1;
|
||
INSERT INTO t1 VALUES ('joce','1','','joce'),('test','2','','test');
|
||
|
||
INSERT INTO t2 VALUES ('joce','1','','joce'),('test','2','','test');
|
||
|
||
INSERT INTO t3 VALUES (1,1);
|
||
|
||
SELECT DISTINCT topic FROM t2 WHERE NOT EXISTS(SELECT * FROM t3 WHERE
|
||
numeropost=topic);
|
||
select * from t1;
|
||
DELETE FROM t1 WHERE topic IN (SELECT DISTINCT topic FROM t2 WHERE NOT
|
||
EXISTS(SELECT * FROM t3 WHERE numeropost=topic));
|
||
select * from t1;
|
||
|
||
drop table t1, t2, t3;
|
||
|
||
SELECT * FROM (SELECT 1 as a,(SELECT a)) a;
|
||
CREATE TABLE t1 SELECT * FROM (SELECT 1 as a,(SELECT 1)) a;
|
||
SHOW CREATE TABLE t1;
|
||
drop table t1;
|
||
CREATE TABLE t1 SELECT * FROM (SELECT 1 as a,(SELECT a)) a;
|
||
SHOW CREATE TABLE t1;
|
||
drop table t1;
|
||
CREATE TABLE t1 SELECT * FROM (SELECT 1 as a,(SELECT a+0)) a;
|
||
SHOW CREATE TABLE t1;
|
||
drop table t1;
|
||
CREATE TABLE t1 SELECT (SELECT 1 as a UNION SELECT 1+1 limit 1,1) as a;
|
||
SHOW CREATE TABLE t1;
|
||
drop table t1;
|
||
|
||
create table t1 (a int);
|
||
insert into t1 values (1), (2), (3);
|
||
explain select a,(select (select rand() from t1 limit 1) from t1 limit 1)
|
||
from t1;
|
||
drop table t1;
|
||
|
||
#
|
||
# error in IN
|
||
#
|
||
-- error 1146
|
||
select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
|
||
|
||
#
|
||
# complex subquery
|
||
#
|
||
|
||
CREATE TABLE t1 (
|
||
ID int(11) NOT NULL auto_increment,
|
||
name char(35) NOT NULL default '',
|
||
t2 char(3) NOT NULL default '',
|
||
District char(20) NOT NULL default '',
|
||
Population int(11) NOT NULL default '0',
|
||
PRIMARY KEY (ID)
|
||
) TYPE=MyISAM;
|
||
|
||
INSERT INTO t1 VALUES (130,'Sydney','AUS','New South Wales',3276207);
|
||
INSERT INTO t1 VALUES (131,'Melbourne','AUS','Victoria',2865329);
|
||
INSERT INTO t1 VALUES (132,'Brisbane','AUS','Queensland',1291117);
|
||
|
||
CREATE TABLE t2 (
|
||
Code char(3) NOT NULL default '',
|
||
Name char(52) NOT NULL default '',
|
||
Continent enum('Asia','Europe','North America','Africa','Oceania','Antarctica','South America') NOT NULL default 'Asia',
|
||
Region char(26) NOT NULL default '',
|
||
SurfaceArea float(10,2) NOT NULL default '0.00',
|
||
IndepYear smallint(6) default NULL,
|
||
Population int(11) NOT NULL default '0',
|
||
LifeExpectancy float(3,1) default NULL,
|
||
GNP float(10,2) default NULL,
|
||
GNPOld float(10,2) default NULL,
|
||
LocalName char(45) NOT NULL default '',
|
||
GovernmentForm char(45) NOT NULL default '',
|
||
HeadOfState char(60) default NULL,
|
||
Capital int(11) default NULL,
|
||
Code2 char(2) NOT NULL default '',
|
||
PRIMARY KEY (Code)
|
||
) TYPE=MyISAM;
|
||
|
||
INSERT INTO t2 VALUES ('AUS','Australia','Oceania','Australia and New Zealand',7741220.00,1901,18886000,79.8,351182.00,392911.00,'Australia','Constitutional Monarchy, Federation','Elisabeth II',135,'AU');
|
||
INSERT INTO t2 VALUES ('AZE','Azerbaijan','Asia','Middle East',86600.00,1991,7734000,62.9,4127.00,4100.00,'Az<41>rbaycan','Federal Republic','Heyd<79>r <20>liyev',144,'AZ');
|
||
|
||
select t2.Continent, t1.Name, t1.Population from t2 LEFT JOIN t1 ON t2.Code = t1.t2 where t1.Population IN (select max(t1.Population) AS Population from t1, t2 where t1.t2 = t2.Code group by Continent);
|
||
|
||
drop table t1, t2;
|
||
|
||
#
|
||
# constants in IN
|
||
#
|
||
CREATE TABLE `t1` (
|
||
`id` mediumint(8) unsigned NOT NULL auto_increment,
|
||
`pseudo` varchar(35) character set latin1 NOT NULL default '',
|
||
PRIMARY KEY (`id`),
|
||
UNIQUE KEY `pseudo` (`pseudo`),
|
||
) TYPE=MyISAM PACK_KEYS=1 ROW_FORMAT=DYNAMIC;
|
||
INSERT INTO t1 (pseudo) VALUES ('test');
|
||
SELECT 0 IN (SELECT 1 FROM t1 a);
|
||
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
|
||
INSERT INTO t1 (pseudo) VALUES ('test1');
|
||
SELECT 0 IN (SELECT 1 FROM t1 a);
|
||
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
|
||
drop table t1;
|
||
|
||
CREATE TABLE `t1` (
|
||
`i` int(11) NOT NULL default '0',
|
||
PRIMARY KEY (`i`)
|
||
) TYPE=MyISAM CHARSET=latin1;
|
||
|
||
INSERT INTO t1 VALUES (1);
|
||
-- error 1111
|
||
UPDATE t1 SET i=i+(SELECT MAX(i) FROM (SELECT 1) t) WHERE i=(SELECT MAX(i));
|
||
-- error 1111
|
||
UPDATE t1 SET i=i+1 WHERE i=(SELECT MAX(i));
|
||
drop table t1;
|
||
|
||
#
|
||
# Multi update test
|
||
#
|
||
CREATE TABLE t1 (
|
||
id int(11) default NULL
|
||
) TYPE=MyISAM CHARSET=latin1;
|
||
INSERT INTO t1 VALUES (1),(1),(2),(2),(1),(3);
|
||
CREATE TABLE t2 (
|
||
id int(11) default NULL,
|
||
name varchar(15) default NULL
|
||
) TYPE=MyISAM CHARSET=latin1;
|
||
|
||
INSERT INTO t2 VALUES (4,'vita'), (1,'vita'), (2,'vita'), (1,'vita');
|
||
update t1, t2 set t2.name='lenka' where t2.id in (select id from t1);
|
||
select * from t2;
|
||
drop table t1,t2;
|