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Diffstat (limited to 'guides/source')
| -rw-r--r-- | guides/source/association_basics.md | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/guides/source/association_basics.md b/guides/source/association_basics.md index 996050d667..c272daac28 100644 --- a/guides/source/association_basics.md +++ b/guides/source/association_basics.md @@ -240,13 +240,15 @@ class CreateAppointments < ActiveRecord::Migration end ``` -The collection of join models can be managed via the API. For example, if you assign +The collection of join models can be managed via the [`has_many` association methods](#has-many-association-reference). +For example, if you assign: ```ruby physician.patients = patients ``` -new join models are created for newly associated objects, and if some are gone their rows are deleted. +Then new join models are automatically created for the newly associated objects. +If some that existed previously are now missing, then their join rows are automatically deleted. WARNING: Automatic deletion of join models is direct, no destroy callbacks are triggered. |