Postgres Hstore

hstore.rb

class StatisticSummary < ActiveRecord::Base
  attr_accessible :stats

  belongs_to :domain
  serialize :stats, ActiveRecord::Coders::Hstore

  before_create :initialize_stats

  private
  def initialize_stats
    r = Random.new

    h = Hash.new

    h.store "avg24h" , 24.times.collect {|i| r.rand(5.0).round(1)}
    h.store "avg7d" , 7.times.collect {|i| r.rand(5.0).round(1)}
    h.store "avg12h" , 12.times.collect {|i| r.rand(5.0).round(1)}

    h.store "Vol24h", 24.times.collect {|i| r.rand(2000).round(0) + 50}
    h.store "Vol7d", 7.times.collect {|i| 24 * (r.rand(2000).round(0) + 50)}
    h.store "Vol12m", 12.times.collect {|i| (24 * 28) * (r.rand(2000).round(0) + 50 )}

    self.stats = h
  end