Ross, ----- Original Message ----- From: ""Ross Davis"" <[EMAIL PROTECTED]> Newsgroups: mailing.database.mysql Sent: Saturday, February 22, 2003 12:14 AM Subject: create fails with on delete set null
> > Simply said this works: > drop table if exists detail; > create table detail > ( > detail_id int not null auto_increment > , master_id int not null > , name varchar(50) not null > , primary key (detail_id) > , index master_idx(master_id) > , foreign key (master_id) references master (master_id) on delete cascade > on update cascade > ) > type=InnoDB; > > This doesn't: > drop table if exists detail; > create table detail > ( > detail_id int not null auto_increment > , master_id int not null > , name varchar(50) not null > , primary key (detail_id) > , index master_idx(master_id) > , foreign key (master_id) references master (master_id) on delete set null > on update cascade > ) > type=InnoDB; > > mysql 4.0.10 on Windows XP Pro > > Anyone else have this problem? Is it a bug? you have defined master_id as not null, but want it to be set null on the delete of the parent row. That is why InnoDB gives an error. > Ross Regards, Heikki Innobase Oy sql query --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
