| Server IP : 172.67.216.182 / Your IP : 172.68.164.13 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/innodb/t/ |
Upload File : |
# Test Bug #57255. Cascade deletes that affect different rows should not
# result in DB_FOREIGN_EXCEED_MAX_CASCADE error
--source include/have_innodb.inc
create table A(id int not null primary key) engine=innodb;
create table B(id int not null auto_increment primary key, f1 int not null, foreign key(f1) references A(id) on delete cascade) engine=innodb;
create table C(id int not null auto_increment primary key, f1 int not null, foreign key(f1) references B(id) on delete cascade) engine=innodb;
insert into A values(1), (2);
--disable_query_log
begin;
let $i=257;
while ($i)
{
insert into B(f1) values(1);
dec $i;
}
let $i=486;
while ($i)
{
insert into C(f1) values(2);
dec $i;
}
commit;
--enable_query_log
# Following Deletes should not report error
DELETE FROM A where id = 1;
DELETE FROM C where f1 = 2;
DELETE FROM A where id = 1;
DROP TABLE C;
DROP TABLE B;
DROP TABLE A;