logstash/logstash — pull request #512 by rnavarro (2013-06-11 06:55:08+00:00)
Title: Sensible hash string conversions

I had the need to convert certain fields into strings, and most of the cases were handled except for a hash. This should allow for conversion of hashes into JSON strings.

I'm by no means a ruby guy (primarily PHP), but I figured this would do the trick...