From: Jason Palmer <palmerj3@...>
Date: 2007-02-25T11:51:57+09:00
Subject: Re: Testing a query result

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The easiest way to do this is using the exists? function.
Example:

if Book.exists?(params[:id])
   @BookDetails = Book.find(params[:id])
else
  #No results
end

On 2/24/07, Mahmou M'hiri <mahmoud.mhiri@gmail.com> wrote:
>
> Hello every body,
>
> It's a very basic question, i want just to test if this query did return
> any result.
>
>          @BookDetails = Book.find(params[:id])
>
>
> I tried "nil", but it seems that even if there isn't any book with that
> id, @BookDetails is != nil.
>
> Help please!
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

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