gistfile1.rbx

begin
  require_library_or_gem 'pg'
rescue LoadError => e
  begin
    require_library_or_gem 'postgres'
    class PGresult
      alias_method :nfields, :num_fields unless self.method_defined?(:nfields)
      alias_method :ntuples, :num_tuples unless self.method_defined?(:ntuples)
      alias_method :ftype, :type unless self.method_defined?(:ftype)
      alias_method :cmd_tuples, :cmdtuples unless self.method_defined?(:cmd_tuples)
    end
  rescue LoadError
    raise e
  end
end