#!/usr/bin/env ruby
require 'sequel'
require 'sqlite3'
require 'sequel/plugins/serialization'

DB = Sequel.sqlite

DB.create_table! :players do
  String :name, primary_key: true
  Blob :inventory
end

class Player < Sequel::Model
  plugin :serialization
  serialize_attributes :marshal, :inventory
  plugin :serialization_modification_detection
end

Player.insert(name: 'joe')

j = Player['joe']
j.inventory = {:weapon=>"Sword"}
j.save
puts Player.first(name: 'joe').inventory # => {:weapon=>"Sword"}