I'd this same issue a couple of days ago. If you use Rails you can use my migration: https://gist.github.com/eduard-io/9268175 https://gist.github.com/eduard-io

I'd this same issue a couple of days ago. If you use Rails you can use my migration: https://gist.github.com/eduard-io/9268175 https://gist.github.com/eduard-io/9268175