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wakiki / gist:3312792
Created August 10, 2012 09:12
Rails 3 merging scope with OR
# By Steve Leung
# [email protected]
class ActiveRecord::Relation
# temporarily hack for allowing combining scopes with OR
# doesn't add the join tables so need to use .includes manually
# ie. Jobship.includes(:job).or(Jobship.accepted, Jobship.declined).count
def or(*scopes)
clauses = *scopes.map do |relation|