# File lib/flukso/database.rb, line 178
    def find_reading_by_epochtime(time)
      stmt="SELECT * FROM \#{@tablename}\nWHERE epochtime ='\#{time}';\n"
      readings=Array.new
      @db.execute(stmt) {|row|
        reading=UTCReading.new(row['TIMESTAMP'].to_i, row['VALUE'].to_i)
        readings << reading
      }
      if readings.empty?
        raise ElementNotFoundError
      end
      return readings[0];
    end