Reinventing a wheel? (ActiveRecord)

gistfile1.txt

  def self.build_pairs(rel)
    require 'pp'
    records = connection.select_all(sanitize_sql(rel.to_sql), "#{name} Load Pairs", [])
    records.map do |record|
      split = record.to_a.map do |key,value|
        key.split(".",2) + [value]
      end.group_by do |list|
        list.first
      end.values.map do |record|
        instantiate(Hash[record.map{|triple| triple[1..2]}])
      end.sort do |l,r|
        l.id <=> r.id
      end.tap{|split| pp split}
    end
  end