On Aug 19, 12:18 pm, Gleb Mazovetskiy <rails-mailing-l...@andreas-
s.net> wrote:
> It does have a tutorial somewhere in Wiki section of github, as long as
> I remember.
>
> But all you really need is to install it, declare :lft, :rgt, and
> :parent_id in the migration, and put act_as_nested_set in the model. Not
> hard at all.

Right.

> However, note that you should recreate all the existing instances of the
> model, so that :lft and :rgt fields will be set.

That's unnecessary.  You can just walk the tree and set them
appropriately (this is best done in the migration).  Or even easier,
just call Model.rebuild! .  See http://bit.ly/gVr7Q .

>
> Cheers,
> Gleb

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
[email protected]
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