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| author | José Valim <jose.valim@plataformatec.com.br> | 2012-07-27 11:02:29 -0700 |
|---|---|---|
| committer | José Valim <jose.valim@plataformatec.com.br> | 2012-07-27 11:02:29 -0700 |
| commit | 1fab518c6a75dac5773654646eb724a59741bc13 (patch) | |
| tree | 39f815f60ca380dd799fdfe3ebcd8fb567bd36e7 /guides | |
| parent | 04998cd0c92a13332844d04145a4ede3184c7bd0 (diff) | |
| parent | 9feda929409ab687befaed8d1c9878d94e955adc (diff) | |
| download | rails-1fab518c6a75dac5773654646eb724a59741bc13.tar.gz rails-1fab518c6a75dac5773654646eb724a59741bc13.tar.bz2 rails-1fab518c6a75dac5773654646eb724a59741bc13.zip | |
Merge pull request #6827 from zephyr-dev/master
Validates_presence_of associated object marked for destruction
Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/active_record_validations_callbacks.textile | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/guides/source/active_record_validations_callbacks.textile b/guides/source/active_record_validations_callbacks.textile index 673894c93a..cf7293bd9e 100644 --- a/guides/source/active_record_validations_callbacks.textile +++ b/guides/source/active_record_validations_callbacks.textile @@ -374,6 +374,8 @@ class LineItem < ActiveRecord::Base end </ruby> +If you validate the presence of an object associated via a +has_one+ or +has_many+ relationship, it will check that the object is neither +blank?+ nor +marked_for_destruction?+. + Since +false.blank?+ is true, if you want to validate the presence of a boolean field you should use <tt>validates :field_name, :inclusion => { :in => [true, false] }</tt>. The default error message is "_can't be empty_". |