From 6ea5e4208f724b50e774e6a1af027336c3ee3de1 Mon Sep 17 00:00:00 2001
From: Chris O'Sullivan <thechrisoshow@gmail.com>
Date: Fri, 16 May 2008 16:09:11 +0100
Subject: Added docs about source_type for has_one association

---
 activerecord/lib/active_record/associations.rb | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'activerecord/lib')

diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index c17e35f5e0..95caf68692 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -753,6 +753,8 @@ module ActiveRecord
       # * <tt>:source</tt> - Specifies the source association name used by <tt>has_one :through</tt> queries.  Only use it if the name cannot be
       #   inferred from the association.  <tt>has_one :favorite, :through => :favorites</tt> will look for a
       #   <tt>:favorite</tt> on Favorite, unless a <tt>:source</tt> is given.      
+      # * <tt>:source_type</tt> - Specifies type of the source association used by <tt>has_one :through</tt> queries where the source
+      #   association is a polymorphic +belongs_to+.      
       # * <tt>:readonly</tt> - If true, the associated object is readonly through the association.
       #
       # Option examples:
-- 
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