re-ordering for top -> bottom On Nov 4, 2011, at 9:55 AM, JavierQQ wrote: > On 4 nov, 11:42, Frederick Cheung <[email protected]> wrote: >> On Nov 4, 4:05 pm, JavierQQ <[email protected]> wrote: >> >> >> >>> I want that the data validates in 2 cases (create / update) >>> because when I want to update , for example: >> >>> Evaluation 1 >>> - Question 1 >> >>> If I update question 1 and change the content, and then I save >>> it shows a error message that says "The number is being used" (and >>> that shows that >>> validates_uniqueness_of :qnumber, :scope works) >>> I want that it only validates it when I'm CREATING a new one, not when >>> I'm UPDATING >> >> validations are fundamentally ignorant of what it is that has caused >> save to be called (i.e. it doesn't know what action, controller etc. >> There might not even be a controller if the code was being run from a >> background task). >> >> The validation methods do take an on option (:on => :create or :on >> => :update) but you should understand that this refers to whether >> active record is create or updating an object and has nothing to do >> with what controller action was involved. >> >> However, validates_uniqueness_of should already be adding a condition >> to the query so that when updating an existing object it doesn't find >> itself, so I'm not sure why you're running into this
> Because as an example > I have > Evaluation 1 > - Question 1 > - Question 2 > > If I edit question 2 and change the number it will allow me to do that > and it will show this > Evaluation 1 > - Question 1 > - Question 1 > > And that's what I want to avoid > > I tried validates_uniqueness_of :qnumber, :scope > => :evaluation_id, :on => :create > and it works, but when I edit, I can do what I mention ---- what is the field/column that is 'Question 1'? Is it one of the fields that you only validate on 'create'? You should probably remove ', :on => :create' because that won't protect uniqueness on 'update' Craig -- 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.
