dockyard/postgres_ext — pull request #145 by MatthewRDodds (2014-12-05 15:06:36+00:00)
Title: Avoid errors caused by missing active record files

I was encountering this issue:

http://stackoverflow.com/questions/27304441/uninitialized-constant-activerecordquerymethodsrelation-nameerror

And requiring `active_record` fixed the problem.