Sandbox for connecting to ODBC

odbc.rb

#!/usr/bin/env ruby
require 'bundler/inline'

gemfile(true) do
  source 'https://rubygems.org'
  gem 'activerecord', '5.0.3'
  gem 'odbc_adapter', '5.0.3'
end

require 'active_record'
require 'logger'

ActiveRecord::Base.establish_connection(adapter: 'odbc', dsn: ARGV.shift)
ActiveRecord::Base.logger = Logger.new(STDOUT)

class ApplicationRecord < ActiveRecord::Base
  self.abstract_class = true
end

require 'irb'
IRB.start