jruby_fast_string_to_time_workaround.rb

def fast_string_to_time(string)
  matches = string.match(Format::ISO_DATETIME)
  if matches
    microsec = (matches[7].to_r * 1_000_000).to_i
    new_time matches[1].to_i, matches[2].to_i, matches[3].to_i, matches[4].to_i, matches[5].to_i, matches[6].to_i, microsec
  end
end