module ActiveRecord::ConnectionAdapters::PostgreSQL::ArrayParser

def parse_pg_array(string) # :nodoc:
  local_index = 0
  array = []
  while(local_index < string.length)
    case string[local_index]
    when BRACKET_OPEN
      local_index,array = parse_array_contents(array, string, local_index + 1)
    when BRACKET_CLOSE
      return array
    end
    local_index += 1
  end
  array
end