On Thu, Apr 28, 2011 at 9:34 PM, Sergio Ruiz <[email protected]> wrote:
> wondering if there is a way to do this.. > > say we have a model that has attributes length and width.. > > :length and :width > > and we have a class square: > > class Square < ActiveRecord::Base > > def area > area = length * width > end > > end > > is there a way i can do a: > > Square.find(:area => '144') > > You can always use your db's arithmetic operators, for mysql you can look at http://dev.mysql.com/doc/refman/5.0/en/arithmetic-functions.html > to produce any squares with an area of 144? > > i know there are lots of other ways to do this, but in the case i am > working on, a find would be REALLY clean.. > > -- > Posted via http://www.ruby-forum.com/. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- ------------------------------------------------------------- visit my blog at http://jimlabs.heroku.com -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
