From 0aea9289f215d62d6b5e84557954c1136a6a1720 Mon Sep 17 00:00:00 2001 From: Sean Collins Date: Fri, 6 Nov 2015 12:15:31 -0700 Subject: Clarify automatic creation/deletion of join models for has_many through [ci-skip] --- guides/source/association_basics.md | 6 ++++-- 1 file 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. -- cgit v1.2.3