Question

I’m getting the “WARNING: Can’t mass-assign protected attributes: type”, but I don’t have any calls to attr_accessible or attr_protected in my code.

Is there anything else that might cause an attribute to become protected?

I’m not so keen on adding all attributes to an attr_accessiblestatement, because that becomes just one more thing to maintain.

Answer 1

The type attribute is reserved for internal use for single table inheritance.

You should be able to use type by setting the set_inheritance_column

set_inheritance_column :kind # change to something other than :type.