Ruby on Rails

On Wed, Mar 27, 2013 at 3:26 AM, tamouse mailing lists
<tamouse.lists@gmail.com> wrote:
> On Tue, Mar 26, 2013 at 9:15 AM, Paulo Ribeiro <plribeiro3000@gmail.com> wrote:
>>
>>
>> Em terça-feira, 26 de março de 2013 01h49min23s UTC-3, tamouse escreveu:
>>>
>>> On Mon, Mar 25, 2013 at 2:51 PM, Paulo Ribeiro <plribe...@gmail.com>
>>> wrote:
>>> > Em segunda-feira, 25 de março de 2013 14h39min09s UTC-3, Matt Jones
>>> > escreveu:
>>> >> On Sunday, 24 March 2013 12:59:00 UTC-4, Paulo Ribeiro wrote:
>>> >>>
>>> >>> Thx for your reply. I want to make the models more light. I want to
>>> >>> make
>>> >>> models what will only access the database (CRUD), without callbacks
>>> >>> and the
>>> >>> other stuffs it loads.
>>> >>>
>>> >>
>>> >> Not to be rude, but this is still "what" you want to do.
>>> >>
>>> >> *Why* are you trying to make the models "light"? Are you working in a
>>> >> resource-constrained environment? Splitting off the callback system is
>>> >> going
>>> >> to break plenty of stuff - for instance, :dependent => :destroy on
>>> >> associations is implemented with a callback. Would it be sufficient to
>>> >> simply not use features you don't want?
>>> >>
>>> >> --Matt Jones
>>> >>
>>> >
>>> > Im trying to make my own solution. Instead of working with MVC, im
>>> > working
>>> > with another patterns as well. And i want ActiveRecord::Base model only
>>> > to
>>> > interact with the database and nothing else. My business logic is going
>>> > inside another models.
>>> >
>>> > Sorry if i wasn't clear enough before and thanks again for your time. =p
>>>
>>> If that's the case, maybe you just want to work with the appropriate
>>> data base gem/driver directly? (mysql2, sqlite3, postgres, etc)
>>
>>
>> Well, its an option. But i would like the code readbility of the
>> active_record methods and some good funcionalities like the finders. Im
>> still using rails on my projects, i just want to make sure that if somebody
>> that is working on this project too, doesnt use callbacks and stuffs. I want
>> the models only to access the database.
>
> If you don't use the callback and stuffs, do they actually get loaded?
> I thought ActiveRecord only loaded the stuff that is getting used...

Also,  hmm, wondering where you are on this project to actually see
that there is a practical need to worry about this at this point. Have
you seen performance benchmarks on your app already that show this is
now a problem? What I've found is that the stuff you seem to like, the
ORMish stuff and finders, actually ends up causing some serious
performance bottlenecks if you don't think about how you gather data
in your application, and can generate some horrendous looking SQL.

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