method

concat

v5.2.3 - Show latest stable - Class: ActiveRecord::Associations::CollectionAssociation

concat(*records)

public

Add records to this association. Since +<<+ flattens its argument list and inserts each record, push and concat behave identically.

# File activerecord/lib/active_record/associations/collection_association.rb, line 114
      def concat(*records)
        records = records.flatten
        if owner.new_record?
          load_target
          concat_records(records)
        else
          transaction { concat_records(records) }
        end
      end

concat

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