Rails - Mar 2006 - Transactions with different types of model object

If i have three types of model objects, say an account, a person and a 
tree :

account=Account.find(...
person=Person.find(...
tree=Tree.find(...

How do i start a transaction over the three of them.  As far as i am 
aware doing it like this only covers the account objects :

Account.transaction do
 account.withdraw(20)
 person.add_money(200)
 tree.remove_leaves(23)
end

Any ideas??

Thanks,
Chris

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Well the above will do what you want. All the Account.transaction does
is start a BEGIN ... COMMIT sequence for you. There is no table level
transactions per-se.

Take a look at the logs when you run the above code, and watch the SQL
code. You''ll see it in there.

-Nick

On 3/30/06, Chris <evilgeenius@gmail.com> wrote:
> If i have three types of model objects, say an account, a person and a
> tree :
>
> account=Account.find(...
> person=Person.find(...
> tree=Tree.find(...
>
> How do i start a transaction over the three of them.  As far as i am
> aware doing it like this only covers the account objects :
>
> Account.transaction do
>  account.withdraw(20)
>  person.add_money(200)
>  tree.remove_leaves(23)
> end
>
> Any ideas??
>
> Thanks,
> Chris
>
> --
> Posted via http://www.ruby-forum.com/.
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>

Thanks Nick,

my problem was that by default rails doesn''t revert the objects to
their
original state.

How do you manually abort a transaction?

Thanks

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