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| -rw-r--r-- | guides/source/association_basics.md | 2 |
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diff --git a/guides/source/association_basics.md b/guides/source/association_basics.md index f75517c5ab..822dee08f0 100644 --- a/guides/source/association_basics.md +++ b/guides/source/association_basics.md @@ -1662,6 +1662,8 @@ Controls what happens to the associated objects when their owner is destroyed: * `:restrict_with_exception` causes an `ActiveRecord::DeleteRestrictionError` exception to be raised if there are any associated records * `:restrict_with_error` causes an error to be added to the owner if there are any associated objects +The `:destroy` and `:delete_all` options also affect the samantics of the `collection.delete` and `collection=` methods by causing them to destroy associated objects when they are removed from the collection. + ##### `:foreign_key` By convention, Rails assumes that the column used to hold the foreign key on the other model is the name of this model with the suffix `_id` added. The `:foreign_key` option lets you set the name of the foreign key directly: |