diff options
Diffstat (limited to 'guides/source/association_basics.md')
| -rw-r--r-- | guides/source/association_basics.md | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/guides/source/association_basics.md b/guides/source/association_basics.md index 4f3e8b2cff..38e46e4bf8 100644 --- a/guides/source/association_basics.md +++ b/guides/source/association_basics.md @@ -1257,7 +1257,7 @@ Controls what happens to the associated object when its owner is destroyed: * `:destroy` causes the associated object to also be destroyed * `:delete` causes the associated object to be deleted directly from the database (so callbacks will not execute) -* `:nullify` causes the foreign key to be set to `NULL`. Callbacks are not executed. +* `:nullify` causes the foreign key to be set to `NULL`. Polymorphic type column is also nullified on polymorphic associations. Callbacks are not executed. * `:restrict_with_exception` causes an `ActiveRecord::DeleteRestrictionError` exception to be raised if there is an associated record * `:restrict_with_error` causes an error to be added to the owner if there is an associated object @@ -1658,7 +1658,7 @@ Controls what happens to the associated objects when their owner is destroyed: * `:destroy` causes all the associated objects to also be destroyed * `:delete_all` causes all the associated objects to be deleted directly from the database (so callbacks will not execute) -* `:nullify` causes the foreign keys to be set to `NULL`. Callbacks are not executed. +* `:nullify` causes the foreign key to be set to `NULL`. Polymorphic type column is also nullified on polymorphic associations. Callbacks are not executed. * `: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 |