Pascal Houliston

This could be useful, perhaps in a separate block. If you just want to index a single column for now you can do ``` ruby structure do my_field :integer, :index...

I suppose we could depend on ActiveSupport and ActiveRecord and only add the Railties if Rails is present, but stuff like the models directory would need to be made configurable....

We also experienced this error intermittently and had to roll back to 5.4, but unfortunately it's quite hard to track down the situation that leads to this. I will add...