rantav/hector — pull request #421 by amrik (2012-02-17 01:05:26+00:00)
Title: Fix NPE in DoubleSerializer for nonexistent columns

DoubleSerializer uses LongSerializer internally. However whenever LongSerializer returns null (such as when the column does not exist) this would cause a NullPointerException.

Here I add some guards similar to what already exist in LongSerializer.