From 0f194a0b166c3dea55a078fae0050e6a36ffc001 Mon Sep 17 00:00:00 2001
From: Mauro George <maurogot@gmail.com>
Date: Sat, 13 Jun 2015 16:48:06 -0300
Subject: Add RDoc about add_reference to ActiveRecord::Migration

[ci skip]
---
 activerecord/lib/active_record/migration.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'activerecord')

diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 192a456846..8e7f986a0c 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -142,6 +142,12 @@ module ActiveRecord
   #   specified by +column_name+.
   # * <tt>remove_index(table_name, name: index_name)</tt>: Removes the index
   #   specified by +index_name+.
+  # * <tt>add_reference(:table_name, :reference_name)</tt>: Adds a new column
+  #   +reference_name_id+ by default a integer. Other options include
+  #   <tt>:type</tt> (e.g. <tt>type: :string</tt>), <tt>:polymorphic</tt>
+  #   (e.g. <tt>polymorphic: true</tt>) and <tt>:index</tt>
+  #   (e.g. <tt>polymorphic: true, index: true</tt>).
+  #   Also aliased as: <tt>add_belongs_to</tt>.
   #
   # == Irreversible transformations
   #
-- 
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