Sven Dunemann forelabs

## ar_arel_wrapper.rb
require 'active_record'
require 'arel'

# Ruby-like syntax in AR conditions using the underlying Arel layer (Rails >= 3.0).
#
# What you would usually write like this:
#
#   User.where(["users.created_at > ? AND users.name LIKE ?", Date.yesterday, "Mary"])
#
# can now be written like this (note those parentheses required by the operators precedences):
	require 'active_record'
	require 'arel'

	# Ruby-like syntax in AR conditions using the underlying Arel layer (Rails >= 3.0).
	#
	# What you would usually write like this:
	#
	# User.where(["users.created_at > ? AND users.name LIKE ?", Date.yesterday, "Mary"])
	#
	# can now be written like this (note those parentheses required by the operators precedences):