From f3d6726dfa3efdb895a85f5e2f72e7b430b788e9 Mon Sep 17 00:00:00 2001 From: Jeremy Kemper Date: Mon, 4 Sep 2006 06:33:22 +0000 Subject: Document validates_presences_of behavior with booleans: you probably want validates_inclusion_of :attr, :in => [true, false]. Closes #2253. git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4980 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- activerecord/lib/active_record/validations.rb | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'activerecord/lib/active_record') diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb index c1353e9d56..c9d4740670 100755 --- a/activerecord/lib/active_record/validations.rb +++ b/activerecord/lib/active_record/validations.rb @@ -375,6 +375,10 @@ module ActiveRecord # # The first_name attribute must be in the object and it cannot be blank. # + # If you want to validate the presence of a boolean field (where the real values are true and false), + # you will want to use validates_inclusion_of :field_name, :in => [true, false] + # This is due to the way Object#blank? handles boolean values. false.blank? # => true + # # Configuration options: # * message - A custom error message (default is: "can't be blank") # * on - Specifies when this validation is active (default is :save, other options :create, :update) -- cgit v1.2.3