heroku/heroku-pg-extras — pull request #10 by scottshea (2013-03-11 22:48:19+00:00)
Title: Added queries for total index size and index size by index (in MB)

I added two methods into `init.rb` so show total size of indexes in megabytes and size of index by index in megabytes (ordered by size descending). Also, I condensed `pid_column` & `query_column`.