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107 lines
6.4 KiB
Text
107 lines
6.4 KiB
Text
CREATE TABLE t1 (
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id int(11) NOT NULL PRIMARY KEY,
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a int(11) NOT NULL,
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b int(11) NOT NULL,
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c int not null,
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CONSTRAINT test FOREIGN KEY (b) REFERENCES t1 (id)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1;
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CREATE TABLE t2 (
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id int(11) NOT NULL PRIMARY KEY,
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a int(11) NOT NULL,
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b int(11) NOT NULL,
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c int not null,
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CONSTRAINT mytest FOREIGN KEY (c) REFERENCES t1(id),
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CONSTRAINT test FOREIGN KEY (b) REFERENCES t2 (id)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1;
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ERROR HY000: Can't create table 'test.t2' (errno: 121)
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show warnings;
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Level Code Message
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Warning 121 Create or Alter table `test`.`t2` with foreign key constraint failed. Foreign key constraint `test/test` already exists on data dictionary. Foreign key constraint names need to be unique in database. Error in foreign key definition: CONSTRAINT `test` FOREIGN KEY (`b`) REFERENCES `test`.`t2` (`id`).
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Error 1005 Can't create table 'test.t2' (errno: 121)
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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, constraint a foreign key a (a) references t1(a)) engine=innodb;
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ERROR HY000: Can't create table 'test.t2' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Create table '`test`.`t2`' with foreign key constraint failed. There is no index in the referenced table where the referenced columns appear as the first columns near ' foreign key a (a) references t1(a)) engine=innodb'.
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Error 1005 Can't create table 'test.t2' (errno: 150)
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drop table t1;
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create table t1(a int not null primary key, b int) engine=innodb;
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create table t2(a int, b int, constraint a foreign key a (a) references t1(a),
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constraint a foreign key a (a) references t1(b)) engine=innodb;
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ERROR HY000: Can't create table 'test.t2' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Create table '`test`.`t2`' with foreign key constraint failed. There is no index in the referenced table where the referenced columns appear as the first columns near ' foreign key a (a) references t1(b)) engine=innodb'.
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Error 1005 Can't create table 'test.t2' (errno: 150)
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create table t2(a int, b int, constraint a foreign key a (a) references t1(a)) engine=innodb;
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alter table t2 add constraint b foreign key (b) references t2(b);
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ERROR HY000: Can't create table '#sql-temporary' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Alter table '`test`.`t2`' with foreign key constraint failed. There is no index in the referenced table where the referenced columns appear as the first columns near ' foreign key (b) references t2(b)'.
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Error 1005 Can't create table '#sql-temporary' (errno: 150)
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drop table t2, t1;
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create table t1 (f1 integer primary key) engine=innodb;
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alter table t1 add constraint c1 foreign key (f1) references t11(f1);
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ERROR HY000: Can't create table '#sql-temporary' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Alter table `test`.`t1` with foreign key constraint failed. Referenced table `test`.`t11` not found in the data dictionary near ' foreign key (f1) references t11(f1)'.
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Error 1005 Can't create table '#sql-temporary' (errno: 150)
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drop table t1;
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create temporary table t1(a int not null primary key, b int, key(b)) engine=innodb;
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create temporary table t2(a int, foreign key(a) references t1(a)) engine=innodb;
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ERROR HY000: Can't create table 'test.t2' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Create table `mysqld.1`.`t2` with foreign key constraint failed. Referenced table `mysqld.1`.`t1` not found in the data dictionary near 'foreign key(a) references t1(a)) engine=innodb'.
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Error 1005 Can't create table 'test.t2' (errno: 150)
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alter table t1 add foreign key(b) references t1(a);
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ERROR HY000: Can't create table '#sql-temporary' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Alter table `mysqld.1`.`t1` with foreign key constraint failed. Referenced table `mysqld.1`.`t1` not found in the data dictionary near 'foreign key(b) references t1(a)'.
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Error 1005 Can't create table '#sql-temporary' (errno: 150)
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drop table t1;
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create table t1(a int not null primary key, b int, key(b)) engine=innodb;
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alter table t1 add foreign key(a,b) references t1(a);
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ERROR HY000: Can't create table '#sql-temporary' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Alter table `test`.`t1` with foreign key constraint failed. Parse error in 'foreign key(a,b) references t1(a)' near ')'. Referencing column count 1 does not match referenced column count 2.
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Error 1005 Can't create table '#sql-temporary' (errno: 150)
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drop table t1;
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create table t1(a int not null primary key, b int, key(b)) engine=innodb;
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alter table t1 add foreign key(a) references t1(a,b);
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ERROR HY000: Can't create table '#sql-temporary' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Alter table `test`.`t1` with foreign key constraint failed. Parse error in 'foreign key(a) references t1(a,b)' near ')'. Referencing column count 2 does not match referenced column count 1.
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Error 1005 Can't create table '#sql-temporary' (errno: 150)
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drop table t1;
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create table t1 (f1 integer not null primary key) engine=innodb;
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alter table t1 add constraint c1 foreign key (f1) references t1(f1) on update set null;
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ERROR HY000: Can't create table '#sql-temporary' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Alter table `test`.`t1` with foreign key constraint failed. You have defined a SET NULL condition but column 'f1' is defined as NOT NULL in ' foreign key (f1) references t1(f1) on update set null' near ' on update set null'.
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Error 1005 Can't create table '#sql-temporary' (errno: 150)
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create table t2(a int not null, foreign key(a) references t1(f1) on delete set null) engine=innodb;
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ERROR HY000: Can't create table 'test.t2' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Create table `test`.`t2` with foreign key constraint failed. You have defined a SET NULL condition but column 'a' is defined as NOT NULL in 'foreign key(a) references t1(f1) on delete set null) engine=innodb' near ' on delete set null) engine=innodb'.
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Error 1005 Can't create table 'test.t2' (errno: 150)
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drop table t1;
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create table t1 (id int not null primary key, f1 int, f2 int, key(f1)) engine=innodb;
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create table t2(a char(20), key(a), foreign key(a) references t1(f1)) engine=innodb;
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ERROR HY000: Can't create table 'test.t2' (errno: 150)
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show warnings;
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Level Code Message
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Warning 150 Create table `test`.`t2` with foreign key constraint failed. Field type or character set for column 'a' does not mach referenced column 'f1' near 'foreign key(a) references t1(f1)) engine=innodb'.
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Error 1005 Can't create table 'test.t2' (errno: 150)
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drop table t1;
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