| Server IP : 172.67.216.182 / Your IP : 172.70.208.80 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /www/server/mysql/src/mysql-test/suite/ndb/r/ |
Upload File : |
create database mydb0; use mydb0; create table parent ( a int primary key, b int not null, c int not null, unique(b) using hash, index(c)) engine = ndb; create database mydb1; use mydb1; create table child ( a int primary key, b int not null, c int not null, constraint fk1 foreign key(a) references mydb0.parent (a), unique(b) using hash, index(c)) engine = ndb; show create table child; Table Create Table child CREATE TABLE `child` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY (`a`), UNIQUE KEY `b` (`b`) USING HASH, KEY `c` (`c`), CONSTRAINT `fk1` FOREIGN KEY (`a`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 alter table child algorithm=copy, add constraint fk2 foreign key (b) references mydb0.parent(a); show create table child; Table Create Table child CREATE TABLE `child` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY (`a`), UNIQUE KEY `b` (`b`) USING HASH, KEY `c` (`c`), CONSTRAINT `fk1` FOREIGN KEY (`a`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION, CONSTRAINT `fk2` FOREIGN KEY (`b`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 alter table child algorithm=inplace, add constraint fk3 foreign key (c) references mydb0.parent(a); show create table child; Table Create Table child CREATE TABLE `child` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY (`a`), UNIQUE KEY `b` (`b`) USING HASH, KEY `c` (`c`), CONSTRAINT `fk1` FOREIGN KEY (`a`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION, CONSTRAINT `fk2` FOREIGN KEY (`b`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION, CONSTRAINT `fk3` FOREIGN KEY (`c`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 alter table child algorithm=copy, drop foreign key fk2; show create table child; Table Create Table child CREATE TABLE `child` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY (`a`), UNIQUE KEY `b` (`b`) USING HASH, KEY `c` (`c`), CONSTRAINT `fk1` FOREIGN KEY (`a`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION, CONSTRAINT `fk3` FOREIGN KEY (`c`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 alter table child algorithm=inplace, drop foreign key fk3; show create table child; Table Create Table child CREATE TABLE `child` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY (`a`), UNIQUE KEY `b` (`b`) USING HASH, KEY `c` (`c`), CONSTRAINT `fk1` FOREIGN KEY (`a`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 alter table mydb0.parent algorithm=copy, rename mydb1.parent; show create table child; Table Create Table child CREATE TABLE `child` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY (`a`), UNIQUE KEY `b` (`b`) USING HASH, KEY `c` (`c`), CONSTRAINT `fk1` FOREIGN KEY (`a`) REFERENCES `parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 alter table mydb1.parent algorithm=inplace, rename mydb0.parent; show create table child; Table Create Table child CREATE TABLE `child` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY (`a`), UNIQUE KEY `b` (`b`) USING HASH, KEY `c` (`c`), CONSTRAINT `fk1` FOREIGN KEY (`a`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 use test; alter table mydb1.child algorithm=copy, add constraint fk2 foreign key (b) references mydb0.parent(a); use mydb1; show create table child; Table Create Table child CREATE TABLE `child` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY (`a`), UNIQUE KEY `b` (`b`) USING HASH, KEY `c` (`c`), CONSTRAINT `fk1` FOREIGN KEY (`a`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION, CONSTRAINT `fk2` FOREIGN KEY (`b`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 use test; alter table mydb1.child algorithm=inplace, add constraint fk3 foreign key (c) references mydb0.parent(a); use mydb1; show create table child; Table Create Table child CREATE TABLE `child` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY (`a`), UNIQUE KEY `b` (`b`) USING HASH, KEY `c` (`c`), CONSTRAINT `fk1` FOREIGN KEY (`a`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION, CONSTRAINT `fk2` FOREIGN KEY (`b`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION, CONSTRAINT `fk3` FOREIGN KEY (`c`) REFERENCES `mydb0`.`parent` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 use test; drop database mydb1; drop database mydb0; set @i=2; create database mydb0; use mydb0; create table t0 (a int primary key) engine = innodb; create table t1 (a int primary key) engine = innodb; alter table mydb0.t0 add constraint fk0 foreign key (a) references mydb0.t1(a); alter table mydb0.t1 add constraint fk1 foreign key (a) references mydb0.t0(a); drop database mydb0; set @i=1; create database mydb0; use mydb0; create table t0 (a int primary key) engine = ndb; create table t1 (a int primary key) engine = ndb; alter table mydb0.t0 add constraint fk0 foreign key (a) references mydb0.t1(a); alter table mydb0.t1 add constraint fk1 foreign key (a) references mydb0.t0(a); drop database mydb0; set @i=2; create database mydb0; use mydb0; create table t0 (a int primary key) engine = innodb; create database mydb1; use mydb1; create table t1 (a int primary key) engine = innodb; alter table mydb0.t0 add constraint fk0 foreign key (a) references mydb1.t1(a); alter table mydb1.t1 add constraint fk1 foreign key (a) references mydb0.t0(a); drop database mydb0; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails drop database mydb1; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails alter table mydb0.t0 drop foreign key fk0; drop database mydb0; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails drop database mydb1; drop database mydb0; set @i=1; create database mydb0; use mydb0; create table t0 (a int primary key) engine = ndb; create database mydb1; use mydb1; create table t1 (a int primary key) engine = ndb; alter table mydb0.t0 add constraint fk0 foreign key (a) references mydb1.t1(a); alter table mydb1.t1 add constraint fk1 foreign key (a) references mydb0.t0(a); drop database mydb0; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails drop database mydb1; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails alter table mydb0.t0 drop foreign key fk0; drop database mydb0; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails drop database mydb1; drop database mydb0;