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Diffstat (limited to 'guides/source/active_record_callbacks.md')
| -rw-r--r-- | guides/source/active_record_callbacks.md | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/guides/source/active_record_callbacks.md b/guides/source/active_record_callbacks.md index de0ef7c4e5..b1705855d0 100644 --- a/guides/source/active_record_callbacks.md +++ b/guides/source/active_record_callbacks.md @@ -117,6 +117,10 @@ Here is a list with all the available Active Record callbacks, listed in the sam WARNING. `after_save` runs both on create and update, but always _after_ the more specific callbacks `after_create` and `after_update`, no matter the order in which the macro calls were executed. +NOTE: `before_destroy` callbacks should be placed before `dependent: :destroy` +associations (or use the `prepend: true` option), to ensure they execute before +the records are deleted by `dependent: :destroy`. + ### `after_initialize` and `after_find` The `after_initialize` callback will be called whenever an Active Record object is instantiated, either by directly using `new` or when a record is loaded from the database. It can be useful to avoid the need to directly override your Active Record `initialize` method. |