Re: Re: using database constraints.

Mauro
Tue, 28 Sep 2010 20:50:42 -0000

There is also foreigner gem, version 0.9.0.
Is it better to use the plugin or the gem?


On 28 September 2010 17:01, Marnen Laibow-Koser
<lists-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org>
wrote:
> Msan Msan wrote:
>> Do you think it''s necessary to use database constraints like
foreign
>> keys or it is safe to use only rails constraints like has_many and so
>> on.
>
> It''s absolutely necessary to use foreign key constraints --
has_many and
> things like that aren''t really constraints, and anyway, they only
come
> into play if the DB is modified through the ActiveRecord interface.  To
> keep your data safe, you *must* use foreign key constraints.  Use the
> Foreigner plugin to manage these constraints easily from migrations.
>
> Search the list archives for more info.
>
> Best,
> --
> Marnen Laibow-Koser
> http://www.marnen.org
> marnen-sbuyVjPbboAdnm+yROfE0A@public.gmane.org
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