Heikki:

Do you mean the PRIMARY KEY order?

Heikki Tuuri wrote:
Haisam,

----- Original Message -----
From: ""Haisam K. Ido"" <[EMAIL PROTECTED]>
Newsgroups: mailing.database.mysql
Sent: Wednesday, January 01, 2003 10:29 PM
Subject: Foreign Key problem? in MySQL 4.0.7



I was able to create the "gid" table with no problem under mysql 4.0.7

CREATE TABLE gid (
  id             INT(11)      NOT NULL auto_increment,
  groupname      VARCHAR(128) NOT NULL,
  passwd         VARCHAR(128) NULL,
  gid            INT(11)      NOT NULL,
  username       VARCHAR(128) NULL,
  inserted_by    VARCHAR(128) NOT NULL default 'root',
  epoch_inserted DATETIME     NULL,
  modified_by    VARCHAR(128) NOT NULL default 'root',
  epoch_modified DATETIME     NULL,
  UNIQUE KEY keyword(id,groupname,gid),
  PRIMARY KEY (groupname, gid)
) TYPE=INNODB;

but when I attempt to create the "uid" table below I get the following
foreign key

error.  What am I doing wrong?


the referenced column gid must appear as the FIRST column in some index.
Above it appears as the second column.



ERROR 1005: Can't create table './vhadmindb/uid.frm' (errno: 150)

CREATE TABLE uid (
  id             INT(11)      NOT NULL auto_increment,
  username       VARCHAR(128) NOT NULL,
  passwd         VARCHAR(128) NOT NULL,
  uid            INT(11)      NOT NULL,
  gid            INT(11)      NOT NULL, INDEX gid_ind (gid), FOREIGN KEY
(gid)

REFERENCES gid(gid),
  gecos          VARCHAR(128) NULL,
  homedir        VARCHAR(128) NOT NULL,
  shell          VARCHAR(128) NOT NULL,
  inserted_by    VARCHAR(128) NOT NULL default 'root',
  epoch_inserted DATETIME     NULL,
  modified_by    VARCHAR(128) NOT NULL default 'root',
  epoch_modified DATETIME     NULL,
  UNIQUE KEY keyword(id, username, uid),
  PRIMARY KEY (username,uid)
) TYPE=INNODB;

Best regards,

Heikki Tuuri
Innobase Oy
---
Order technical MySQL/InnoDB support at https://order.mysql.com/
See http://www.innodb.com for the online manual and latest news on InnoDB

sql query




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