From 38148903fb23c0983497cf5b300bddfe9de1c251 Mon Sep 17 00:00:00 2001 From: Anshul Sharma Date: Mon, 20 Oct 2014 00:15:40 +0530 Subject: [ci skip] merge docs --- activerecord/lib/active_record/relation/merger.rb | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'activerecord/lib/active_record') diff --git a/activerecord/lib/active_record/relation/merger.rb b/activerecord/lib/active_record/relation/merger.rb index ac41d0aa80..fa968ac5af 100644 --- a/activerecord/lib/active_record/relation/merger.rb +++ b/activerecord/lib/active_record/relation/merger.rb @@ -13,6 +13,13 @@ module ActiveRecord @hash = hash end + # It allows to do a join, and filter by a scope on the joined model: + # class Account < ActiveRecord::Base + # # Returns all the accounts that have unread messages. + # def self.with_unread_messages + # joins(:messages).merge( Message.unread ) + # end + # end def merge Merger.new(relation, other).merge end -- cgit v1.2.3