Hello.
No, you can't. But you can make some workarounds. For example you may use triggers in 5.0.2 version (but it is still not production ready) or use a separate field for storing the value of the week. Hany Nagaty <[EMAIL PROTECTED]> wrote: > Hi all, > > I'm a bit new to MySQL, it's my first email to the list. > > Well, my question is: Can I have a key on a function of the column. > I have some table with a date column in it. I wish to have a key on > yearweek(datecolumn). I don't want to allow having duplicate weeks in > the table. > > Thanks for your support. > -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.NET http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Gleb Paharenko / /|_/ / // /\ \/ /_/ / /__ [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]
