BLOBS and TEXT columns used as indices require the length to be specifically
enumerated.
(Sec 7.26 of the manual)
CREATE TABLE foo(
id INT NOT NULL AUTO_INCREMENT,
name BLOB NOT NULL,
PRIMARY KEY(id),
UNIQUE(name(500))
);
Pat...
[EMAIL PROTECTED]
----- Original Message -----
From: "Mike Thompson" <[EMAIL PROTECTED]>
To: "mysql" <[EMAIL PROTECTED]>
Sent: Tuesday, March 06, 2001 1:51 PM
Subject: key lengths
> How is key length for a table defined? It seems that the default is 255
> bytes, but in the online docs it mentions 500 byte keys. I happen to
> have some very long case sensitive strings that I need to use as keys,
> but mysql complains when I try to create a table as such
>
> CREATE TABLE foo(
> id INT NOT NULL AUTO_INCREMENT,
> name BLOB NOT NULL,
> PRIMARY KEY(id),
> UNIQUE(name)
> );
>
> Any thoughts?
> --m
>
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