From: Sven Schott <sven_schott@...>
Date: 2005-01-06T11:42:56+09:00
Subject: Re: Rails question: changing individual attribute data

Sorry about the noise. I scoured the API docs and found the answer.

@system['field']="value"

I didn't know it was just a hash. Nice.

Sven
On 05/01/2005, at 3:14 PM, Sven Schott wrote:

> Hi
>
> I've started the tutorials on rails and I've really enjoyed it so far. 
> However, I have hit a bit of a snag. I've looked through the tutorials 
> and the API but I couldn't figure out how to do it.
>
> I'm writing an application to store information on system 
> specifications. One of the things I would like it to do, is to not 
> delete records but instead 'unlink' them(set the id to 0). I know the 
> attributes method allows you to replace all the values but I only want 
> to replace the id value. I messed around with it until I didn't get an 
> error but I still can't get it to work. Help! Help! Any ideas, 
> suggestion, criticisms, abuse; hell, I'll take anything useful at this 
> point.
>
> Here's the code I have so far:
>
>
>
>  def destroy
> 	@system = System.find(@params["id"])
> 	@system.id = 0
> 	@system.save
> 	
> 	redirect_to :action => "list"
>   end
>
> I don't know if this code does anything useful. :)
>
> I am running ruby 1.9.0 (2004-03-09) [powerpc-darwin] on MacOS 10.3.7 
> on a Powerbook G4.  Rails is installed via gem:
>
> actionmailer (0.4.0)
>     Service layer for easy email delivery and testing.
>
> actionpack (0.9.5)
>     Web-flow and rendering framework putting the VC in MVC.
>
> activerecord (1.1.0)
>     Implements the ActiveRecord pattern for ORM.
>
> rails (0.8.5)
>     Web-application framework with template engine, control-flow layer,
>     and ORM.
>
> rake (0.4.12, 0.4.11)
>     Ruby based make-like utility.
>
> sources (0.0.1)
>     This package provides download sources for remote gem installation
>
>
> The views are the standard tutorial views. They work fine until I try 
> the code above.
>
> Also, is there a rails book in the works? I would really, really like 
> one. I would pay exorbitant amounts of money for it.
>
> Much obliged,
>
>
> Sven Schott
>
> P.S. Thank you very much to the fine gentleman who wrote rails. Once I 
> get the hang of it, I will throw Filemaker out the window.
>
>
>