fiksu/activerecord-redshift-adapter — pull request #15 by jaredonline (2014-02-28 18:02:03+00:00)
Title: Add identity method to Migration DSL

This adds an `identity` method so you can create tables:

```ruby
create_table :foos, force: true, primary_key: false do |t|
t.identity :id

# rest of table definition
end
```