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Document validates_presences_of behavior with booleans: you probably want validates_inclusion_of :attr, :in => [true, false]. Closes #2253.

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4980 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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Jeremy Kemper 2006-09-04 06:33:22 +00:00
parent 9f3ba03bc7
commit f3d6726dfa
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2
activerecord/CHANGELOG
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@ -1,5 +1,7 @@
*SVN*
* Document validates_presences_of behavior with booleans: you probably want validates_inclusion_of :attr, :in => [true, false]. #2253 [Bob Silva]
* Optimistic locking: gracefully handle nil versions, treat as zero. #5908 [Tom Ward]
* validates_confirmation_of only kicks in when the attribute, rather than its confirmation, is present. #785 [z@wzph.com]

4
activerecord/lib/active_record/validations.rb
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@ -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:
# * <tt>message</tt> - A custom error message (default is: "can't be blank")
# * <tt>on</tt> - Specifies when this validation is active (default is :save, other options :create, :update)