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From:Daevid Vincent Date:September 10 2003 7:28pm
Subject:Foreign key update?
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I see there is a way to DELETE or NULL a cascade, but is there a way to
UPDATE?

Here's what I mean. Given these rough table schemas. I'd like to be able to
UPDATE the company_code in the company_table, and have it update the same
rep_company_code in the rep_table.  Ie. So a company has a certain code,
then we change it. I want all the reps to get their codes updated too
automagically... Is this possible now or in a future mySQL version?

CREATE TABLE company_table (
  company_id mediumint(8) unsigned NOT NULL auto_increment,
  company_name varchar(255) NOT NULL default '',
  company_code varchar(15) NOT NULL default '',
  company_referal_code varchar(15) NOT NULL default '',
  company_phone varchar(20) NOT NULL default '',
  company_fax varchar(20) NOT NULL default '',
  company_url varchar(50) NOT NULL default '',
  company_address1 varchar(70) NOT NULL default '',
  company_address2 varchar(70) NOT NULL default '',
  company_city varchar(50) NOT NULL default '',
  company_state varchar(50) NOT NULL default '',
  company_zip varchar(50) NOT NULL default '',
) TYPE=InnoDB;


CREATE TABLE rep_table (
  rep_id smallint(5) unsigned NOT NULL auto_increment,
  rep_login varchar(15) NOT NULL default '',
  rep_password varchar(15) NOT NULL default '',
  rep_company_code varchar(15) NOT NULL default '',
  rep_fname varchar(20) NOT NULL default '',
  rep_lname varchar(20) NOT NULL default '',
  rep_title varchar(50) NOT NULL default '',
) TYPE=InnoDB;

Thread
Foreign key update?Daevid Vincent10 Sep
  • Re: Foreign key update?Victoria Reznichenko10 Sep
    • RE: Foreign key update?Daevid Vincent11 Sep
      • RE: Foreign key update?Daevid Vincent11 Sep
      • Re: Foreign key update?Victoria Reznichenko11 Sep
        • RE: Foreign key update and Error :: 1217Daevid Vincent11 Sep
RE: Foreign key update?Dan Greene10 Sep
Re: Foreign key update and Error :: 1217Heikki Tuuri11 Sep
  • RE: Foreign key update and Error :: 1217 with v4.0.15Daevid Vincent12 Sep
    • Re: Foreign key update and Error :: 1217 with v4.0.15Heikki Tuuri12 Sep
      • RE: Foreign key update and Error :: 1217 with v4.0.15 [SOLVED]Daevid Vincent12 Sep