"Lemasson Sylvain" <[EMAIL PROTECTED]> wrote: > I try to add a primary key on a BLOB column and I have got an error (ERROR 1170: > BLOB column 'value5' used in key specification without a key length). > May be the answer is in the documentation but I did not find it. So how could I make > my BLOB column a primary key?
You can create index on the prefix of the column: http://www.mysql.com/doc/en/Indexes.html -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Egor Egorov / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net <___/ www.mysql.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]