zendesk/active_record_shards — pull request #8 by osheroff (2013-11-22 17:59:14+00:00)
Title: Support has_and_belongs_to_many :include on slave by default

@seancaffery @liulikun @jwswj @staugaard

Sorry for the refactor + functionality add nature of this pull request. I just couldn't stand how ugly the monkey patching was getting.