Rails converts empty arrays into nils in params of the request

Question

I have a Backbone model in my app which is not a typical flat object, it\'s a large nested object and we store the nested parts in TEXT columns in a MySQL database.

I wa

Answer 1

I ran into a similar issue and found out that passing an array with an empty string would be processed correctly by Rails, as mentioned above. If you encounter this while submitting a form, you might want to include an empty hidden field that matches the array param :

When the actual param is empty the controller will always see an array with an empty string, thus keeping the submission stateless.