hadley/dplyr — pull request #335 by will0955 (2014-03-18 17:03:22+00:00)
Title: Create src-greenplum.r

This creates a greenplum source (very similar to postgres) as per your recent documentation. Greenplum doesn't like the (-Inf,Inf) frames or parens in the parameter/order clauses.

Please advise if there is a preferable way to proceed.