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128 lines
4.1 KiB
Plaintext
128 lines
4.1 KiB
Plaintext
--source include/have_innodb.inc
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#
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# MDEV-8524: Improve error messaging when there is duplicate key or foreign key names
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#
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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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#
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# Below create table fails because constraint name test
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# is reserved for above table.
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#
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--error 1005
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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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show warnings;
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drop table t1;
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#
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# MDEV-6697: Improve foreign keys warnings/errors
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#
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#
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# No index for referenced columns
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#
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create table t1(a int) engine=innodb;
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--error 1005
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create table t2(a int, constraint a foreign key a (a) references t1(a)) engine=innodb;
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show warnings;
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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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--error 1005
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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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show warnings;
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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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--error 1005
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alter table t2 add constraint b foreign key (b) references t2(b);
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show warnings;
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drop table t2, t1;
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#
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# Referenced table does not exists
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#
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create table t1 (f1 integer primary key) engine=innodb;
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--error 1005
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alter table t1 add constraint c1 foreign key (f1) references t11(f1);
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show warnings;
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drop table t1;
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#
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# Foreign key on temporal tables
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#
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create temporary table t1(a int not null primary key, b int, key(b)) engine=innodb;
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# remove echos and uncomment the commented when MDEV-8569 is fixed
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--echo create temporary table t2(a int, foreign key(a) references t1(a)) engine=innodb;
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--echo ERROR HY000: Can't create table `test`.`t2` (errno: 150 "Foreign key constraint is incorrectly formed")
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--echo show warnings;
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--echo Level Code Message
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--echo Warning 150 Create table `mysqld.1`.`t2` with foreign key constraint failed. Referenced table `mysqld.1`.`t1` not found in the data dictionary close to foreign key(a) references t1(a)) engine=innodb.
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--echo Error 1005 Can't create table `test`.`t2` (errno: 150 "Foreign key constraint is incorrectly formed")
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--echo Warning 1215 Cannot add foreign key constraint
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--echo alter table t1 add foreign key(b) references t1(a);
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--echo ERROR HY000: Can't create table `test`.`#sql-temporary` (errno: 150 "Foreign key constraint is incorrectly formed")
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--echo show warnings;
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--echo Level Code Message
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--echo Warning 150 Alter table `mysqld.1`.`t1` with foreign key constraint failed. Referenced table `mysqld.1`.`t1` not found in the data dictionary close to foreign key(b) references t1(a).
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--echo Error 1005 Can't create table `test`.`#sql-temporary` (errno: 150 "Foreign key constraint is incorrectly formed")
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--echo Warning 1215 Cannot add foreign key constraint
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--error 1005
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create temporary table t2(a int, foreign key(a) references t1(a)) engine=innodb;
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show warnings;
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--error 1005
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alter table t1 add foreign key(b) references t1(a);
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show warnings;
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drop table t1;
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#
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# Column numbers do not match
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#
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create table t1(a int not null primary key, b int, key(b)) engine=innodb;
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--error 1239
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alter table t1 add foreign key(a,b) references t1(a);
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show warnings;
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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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--error 1239
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alter table t1 add foreign key(a) references t1(a,b);
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show warnings;
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drop table t1;
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#
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# ON UPDATE/DELETE SET NULL on NOT NULL column
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#
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create table t1 (f1 integer not null primary key) engine=innodb;
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--error 1005
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alter table t1 add constraint c1 foreign key (f1) references t1(f1) on update set null;
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show warnings;
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--error 1005
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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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show warnings;
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drop table t1;
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#
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# Incorrect types
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#
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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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--error 1005
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create table t2(a char(20), key(a), foreign key(a) references t1(f1)) engine=innodb;
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show warnings;
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drop table t1;
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