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b2ff38202d
The bug was in JOIN::join_free which was wrongly determining that all joins have been already executed and therefore all used tables can be closed.
174 lines
7.1 KiB
Text
174 lines
7.1 KiB
Text
drop table if exists t1,t2,t3;
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CREATE TABLE t1
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(
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FOLDERID VARCHAR(32)BINARY NOT NULL
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, FOLDERNAME VARCHAR(255)BINARY NOT NULL
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, CREATOR VARCHAR(255)BINARY
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, CREATED TIMESTAMP NOT NULL
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, DESCRIPTION VARCHAR(255)BINARY
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, FOLDERTYPE INTEGER NOT NULL
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, MODIFIED TIMESTAMP
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, MODIFIER VARCHAR(255)BINARY
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, FOLDERSIZE INTEGER NOT NULL
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, PARENTID VARCHAR(32)BINARY
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, REPID VARCHAR(32)BINARY
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, ORIGINATOR INTEGER
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, PRIMARY KEY ( FOLDERID )
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) ENGINE=InnoDB;
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CREATE INDEX FFOLDERID_IDX ON t1 (FOLDERID);
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CREATE INDEX CMFLDRPARNT_IDX ON t1 (PARENTID);
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INSERT INTO t1 VALUES("0c9aab05b15048c59bc35c8461507deb", "System", "System", "2003-06-05 16:30:00", "The system content repository folder.", "3", "2003-06-05 16:30:00", "System", "0", NULL, "9c9aab05b15048c59bc35c8461507deb", "1");
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INSERT INTO t1 VALUES("2f6161e879db43c1a5b82c21ddc49089", "Default", "System", "2003-06-09 10:52:02", "The default content repository folder.", "3", "2003-06-05 16:30:00", "System", "0", NULL, "03eea05112b845949f3fd03278b5fe43", "1");
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INSERT INTO t1 VALUES("c373e9f5ad0791724315444553544200", "AddDocumentTest", "admin", "2003-06-09 10:51:25", "Movie Reviews", "0", "2003-06-09 10:51:25", "admin", "0", "2f6161e879db43c1a5b82c21ddc49089", "03eea05112b845949f3fd03278b5fe43", NULL);
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SELECT 'c373e9f5ad0791a0dab5444553544200' IN(SELECT t1.FOLDERID FROM t1 WHERE t1.PARENTID='2f6161e879db43c1a5b82c21ddc49089' AND t1.FOLDERNAME = 'Level1');
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'c373e9f5ad0791a0dab5444553544200' IN(SELECT t1.FOLDERID FROM t1 WHERE t1.PARENTID='2f6161e879db43c1a5b82c21ddc49089' AND t1.FOLDERNAME = 'Level1')
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0
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drop table t1;
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create table t1 (a int) engine=innodb;
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create table t2 (a int) engine=innodb;
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create table t3 (a int) engine=innodb;
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insert into t1 values (1),(2),(3),(4);
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insert into t2 values (10),(20),(30),(40);
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insert into t3 values (1),(2),(10),(50);
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select a from t3 where t3.a in (select a from t1 where a <= 3 union select * from t2 where a <= 30);
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a
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1
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2
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10
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drop table t1,t2,t3;
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CREATE TABLE t1 (
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processor_id INTEGER NOT NULL,
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PRIMARY KEY (processor_id)
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) ENGINE=InnoDB;
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CREATE TABLE t3 (
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yod_id BIGINT UNSIGNED AUTO_INCREMENT NOT NULL,
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login_processor INTEGER UNSIGNED ,
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PRIMARY KEY (yod_id)
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) ENGINE=InnoDB;
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CREATE TABLE t2 (
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processor_id INTEGER NOT NULL,
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yod_id BIGINT UNSIGNED NOT NULL,
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PRIMARY KEY (processor_id, yod_id),
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INDEX (processor_id),
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INDEX (yod_id),
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FOREIGN KEY (processor_id) REFERENCES t1(processor_id),
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FOREIGN KEY (yod_id) REFERENCES t3(yod_id)
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) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (1),(2),(3);
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INSERT INTO t3 VALUES (1,1),(2,2),(3,3);
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INSERT INTO t2 VALUES (1,1),(2,2),(3,3);
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SELECT distinct p1.processor_id, (SELECT y.yod_id FROM t1 p2, t2 y WHERE p2.processor_id = p1.processor_id and p2.processor_id = y.processor_id) FROM t1 p1;
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processor_id (SELECT y.yod_id FROM t1 p2, t2 y WHERE p2.processor_id = p1.processor_id and p2.processor_id = y.processor_id)
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1 1
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2 2
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3 3
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drop table t2,t1,t3;
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CREATE TABLE t1 (
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id int(11) NOT NULL default '0',
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b int(11) default NULL,
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c char(3) default NULL,
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PRIMARY KEY (id),
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KEY t2i1 (b)
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) ENGINE=innodb DEFAULT CHARSET=latin1;
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INSERT INTO t1 VALUES (0,0,'GPL'),(1,0,'GPL'),(2,1,'GPL'),(3,2,'GPL');
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CREATE TABLE t2 (
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id int(11) NOT NULL default '0',
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b int(11) default NULL,
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c char(3) default NULL,
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PRIMARY KEY (id),
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KEY t2i (b)
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) ENGINE=innodb DEFAULT CHARSET=latin1;
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INSERT INTO t2 VALUES (0,0,'GPL'),(1,0,'GPL'),(2,1,'GPL'),(3,2,'GPL');
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select (select max(id) from t2 where b=1 group by b) as x,b from t1 where b=1;
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x b
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2 1
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drop table t1,t2;
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create table t1 (id int not null, value char(255), primary key(id)) engine=innodb;
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create table t2 (id int not null, value char(255)) engine=innodb;
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insert into t1 values (1,'a'),(2,'b');
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insert into t2 values (1,'z'),(2,'x');
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select t2.id,t2.value,(select t1.value from t1 where t1.id=t2.id) from t2;
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id value (select t1.value from t1 where t1.id=t2.id)
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1 z a
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2 x b
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select t2.id,t2.value,(select t1.value from t1 where t1.id=t2.id) from t2;
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id value (select t1.value from t1 where t1.id=t2.id)
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1 z a
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2 x b
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drop table t1,t2;
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create table t1 (a int, b int) engine=innodb;
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insert into t1 values (1,2), (1,3), (2,3), (2,4), (2,5), (3,4), (4,5), (4,100);
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create table t2 (a int) engine=innodb;
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insert into t2 values (1),(2),(3),(4);
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select a, sum(b) as b from t1 group by a having b > (select max(a) from t2);
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a b
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1 5
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2 12
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4 105
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drop table t1, t2;
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CREATE TABLE `t1` ( `unit` varchar(50) NOT NULL default '', `ingredient` varchar(50) NOT NULL default '') ENGINE=InnoDB DEFAULT CHARSET=latin1;
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CREATE TABLE `t2` ( `ingredient` varchar(50) NOT NULL default '', `unit` varchar(50) NOT NULL default '', PRIMARY KEY (ingredient, unit)) ENGINE=InnoDB DEFAULT CHARSET=latin1;
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INSERT INTO `t1` VALUES ('xx','yy');
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INSERT INTO `t2` VALUES ('yy','xx');
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SELECT R.unit, R.ingredient FROM t1 R WHERE R.ingredient IN (SELECT N.ingredient FROM t2 N WHERE N.unit = R.unit);
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unit ingredient
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xx yy
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drop table t1, t2;
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CREATE TABLE t1 (
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id INT NOT NULL auto_increment,
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date1 DATE, coworkerid INT,
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description VARCHAR(255),
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sum_used DOUBLE,
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sum_remaining DOUBLE,
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comments VARCHAR(255),
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PRIMARY KEY(id)
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) engine=innodb;
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insert into t1 values (NULL, '1999-01-01', 1,'test', 22, 33, 'comment'), (NULL, '1999-01-01', 1,'test', 22, 33, 'comment'), (NULL, '1999-01-01', 1,'test', 22, 33, 'comment'), (NULL, '1998-01-01', 1,'test', 22, 33, 'comment'), (NULL, '1998-01-01', 1,'test', 22, 33, 'comment'), (NULL, '2004-01-01', 1,'test', 22, 33, 'comment'), (NULL, '2004-01-01', 1,'test', 22, 33, 'comment');
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SELECT DISTINCT
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(SELECT sum(sum_used) FROM t1 WHERE sum_used > 0 AND year(date1) <= '2004') as somallontvangsten,
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(SELECT sum(sum_used) FROM t1 WHERE sum_used < 0 AND year(date1) <= '2004') as somalluitgaven
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FROM t1;
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somallontvangsten somalluitgaven
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154 NULL
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select * from t1;
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id date1 coworkerid description sum_used sum_remaining comments
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1 1999-01-01 1 test 22 33 comment
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2 1999-01-01 1 test 22 33 comment
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3 1999-01-01 1 test 22 33 comment
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4 1998-01-01 1 test 22 33 comment
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5 1998-01-01 1 test 22 33 comment
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6 2004-01-01 1 test 22 33 comment
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7 2004-01-01 1 test 22 33 comment
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drop table t1;
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CREATE TABLE `t1` ( `a` char(3) NOT NULL default '', `b` char(3) NOT NULL default '', `c` char(3) NOT NULL default '', PRIMARY KEY (`a`,`b`,`c`)) ENGINE=InnoDB;
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CREATE TABLE t2 LIKE t1;
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INSERT INTO t1 VALUES (1,1,1);
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INSERT INTO t2 VALUES (1,1,1);
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PREPARE my_stmt FROM "SELECT t1.b, count(*) FROM t1 group by t1.b having
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count(*) > ALL (SELECT COUNT(*) FROM t2 WHERE t2.a=1 GROUP By t2.b)";
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EXECUTE my_stmt;
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b count(*)
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EXECUTE my_stmt;
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b count(*)
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deallocate prepare my_stmt;
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drop table t1,t2;
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CREATE TABLE t1 (
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school_name varchar(45) NOT NULL,
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country varchar(45) NOT NULL,
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funds_requested float NOT NULL,
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schooltype varchar(45) NOT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8;
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insert into t1 values ("the school", "USA", 1200, "Human");
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select count(country) as countrycount, sum(funds_requested) as smcnt,
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country, (select sum(funds_requested) from t1) as total_funds
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from t1
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group by country;
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countrycount smcnt country total_funds
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1 1200 USA 1200
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select count(country) as countrycount, sum(funds_requested) as smcnt,
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country, (select sum(funds_requested) from t1) as total_funds
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from t1
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group by country;
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countrycount smcnt country total_funds
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1 1200 USA 1200
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drop table t1;
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