influxdb/influxdb — pull request #623 by chobie (2014-06-05 13:54:54+00:00)
Title: CumulativeArithmeticAggregator should return null when the column is null

see this thread: https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/influxdb/QKtJtk3fanU/48dUhIiazB8J