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| author | Steve Klabnik <steve@steveklabnik.com> | 2012-11-27 08:51:36 -0800 |
|---|---|---|
| committer | Steve Klabnik <steve@steveklabnik.com> | 2012-11-27 08:51:36 -0800 |
| commit | cfd324b4b68469ba3188e4b7ba8586e59b239693 (patch) | |
| tree | aa458207b1b6c94db62980a9a2fd57f3e8f67238 | |
| parent | ba2fed41613e02bb6cfc46c92ace00abb99ce313 (diff) | |
| download | rails-cfd324b4b68469ba3188e4b7ba8586e59b239693.tar.gz rails-cfd324b4b68469ba3188e4b7ba8586e59b239693.tar.bz2 rails-cfd324b4b68469ba3188e4b7ba8586e59b239693.zip | |
Fix validation based on object not _id.
From https://github.com/rails/rails/issues/6161\#issuecomment-10750118
| -rw-r--r-- | guides/source/active_record_validations_callbacks.md | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/guides/source/active_record_validations_callbacks.md b/guides/source/active_record_validations_callbacks.md index eedcd9a342..3c6e459453 100644 --- a/guides/source/active_record_validations_callbacks.md +++ b/guides/source/active_record_validations_callbacks.md @@ -372,12 +372,12 @@ class Person < ActiveRecord::Base end ``` -If you want to be sure that an association is present, you'll need to test whether the foreign key used to map the association is present, and not the associated object itself. +If you want to be sure that an association is present, you'll need to test the associated object itself, and not whether the foreign key used to map the association is present: ```ruby class LineItem < ActiveRecord::Base belongs_to :order - validates :order_id, presence: true + validates :order, presence: true end ``` |