vollnhals

# implementation from https://github.com/rails/rails/pull/16919


# activerecord/lib/active_record/connection_adapters/postgresql/oid/interval.rb

require "active_support/duration"

module ActiveRecord
  module ConnectionAdapters
    module PostgreSQL

vollnhals

# overwrite conditions method to work on rails >= 3.2.6

class CanCan::ModelAdapters::ActiveRecordAdapter

  def conditions

    if @rules.size == 1 && @rules.first.base_behavior
      # Return the conditions directly if there's just one definition
      dig(tableized_conditions(@rules.first.conditions).dup)
    else