- Merges associations/attributes you want
- Can merge duplicates
- Protects from self-merges
- Keeps counters valid
- Removes merged record
INSTALL
Rails plugin
script/plugin install git://github.com/grosser/ar_merge.git
OR Gem
sudo gem install ar_merge
USAGE
Merge from outside the model:
user.merge!(other,:attributes=>user.attributes.keys,:associations=>%w[movies friends])`
Merge from inside the model
User < ActiveRecord::Base
def merge!(other)
super(other,:attributes=>%w[email website])
end
end
Merge duplicates
#merge all new users, that have the same email
User.merge_duplicates!(User.find_all_by_status('new')) , :compare=>:email)
AUTHOR
Michael Grosser
[email protected]
Hereby placed under public domain, do what you want, just do not hold me accountable...