puppetlabs/puppetlabs-postgresql — pull request #286 by jalli (2013-10-19 16:05:24+00:00)
Title: Add zero length string to join() function

The stdlib join() function takes an array and a string as parameters, it then joins all the elements of the array using the string as a separator.
On Centos 6.4 the join() function fails if given just an array but not a string.