Ruby on Rails

Thanks a lot Walter .. I'll have a look at it

On Dec 1, 11:43 pm, Robert Walker <li...@ruby-forum.com> wrote:
> Kad Kerforn wrote in post #1034598:
>
> > how can I rewrite the migration script to generate the composite keys
> > from an existing table
>
> > ......
> >   PRIMARY KEY  (`id`),
> >   KEY `by_scheduled_sent_released`
> > (`scheduled_at`,`sent_at`,`released_at`),
> >   KEY `by_account_uidl` (`account_id`,`unique_id`),
> >   KEY `by_account_message` (`account_id`,`message_id`),
> >   KEY `by_released_sent_received`
> > (`released_at`,`sent_at`,`received_at`)
> > ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
>
> > is it true that Rails doesn't support it ?
>
> It is true that ActiveRecord does not support composite keys, not
> without help. Thankfully, there is a gem for that:
>
> https://github.com/drnic/composite_primary_keys
>
> Note: I have not used this gem and have no opinion about it one way or
> the other. It is just the first one to come up in the Github search.
>
> --
> Posted viahttp://www.ruby-forum.com/.

--
You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group.
To post to this group, send email to rubyonrails-talk@googlegroups.com.
To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.