| Server IP : 104.21.38.3 / Your IP : 162.158.106.238 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/ |
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create table parent ( a int not null, b int not null, c int not null, primary key (a,b), unique(b,c) using hash, index(c,a)) engine = ndb; create table child ( a int not null, b int not null, c int not null, primary key (b,a), unique(c,b) using hash, index(c,a)) engine = ndb; insert into parent values (1,2,3); alter table child add constraint fkname foreign key (c,a) references parent(a,b) on delete restrict on update restrict; insert into child values (2,1,2); ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code) insert into child values (1,1,1); ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code) insert into child values (2,1,1); delete from parent; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (Unknown error code) delete from child; alter table child drop foreign key fkname; alter table child add constraint fkname foreign key (b,a) references parent(a,b) on delete restrict on update restrict; insert into child values (1,2,2); ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code) insert into child values (2,3,1); ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code) insert into child values (2,1,1); delete from parent; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (Unknown error code) delete from child; alter table child drop foreign key fkname; alter table child add constraint fkname foreign key (c,b) references parent(a,b) on delete restrict on update restrict; insert into child values (1,2,2); ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code) insert into child values (2,3,1); ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code) insert into child values (2,2,1); delete from parent; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (Unknown error code) drop table child, parent;