Thanks a lot Walter .. I'll have a look at it On Dec 1, 11:43 pm, Robert Walker <[email protected]> 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/.
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