Last week I released version 1.3.0 of the Ruby and RoR adapter for Ingres. This release includes the following changes:
Ingres Ruby Driver:
Restrict tables() to only return non-system tables
Add support for Ingres datatypes float4, float8, money, decimal, bigint, and ANSI SQL date/time/timestamp
Ruby on Rails adapter:
Add support for Ruby on Rails 2.1 Migrations - for more information [...]