[Rails] Re: :joins VS :include => different results?

On Jun 2, 5:09 pm, Tom Ha <li...@ruby-forum.com> wrote:

> Question: Is it correct that:
> - in case A), the books containing pages WITHOUT any illustrations will
> NOT show up in the results
> - whereas in case B), these books WILL show up?
>
> (Personally, I thought that the main difference between :joins and
> :include was the "eager loading" part.)
>

:joins does an inner join, :include doesn't (and may not even do a
join at all)

Fred
> Thanks for any explanation for this!
> Tom
> --
> Posted viahttp://www.ruby-forum.com/.

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