lib/generators/active_record/templates/migration.rb
class TollCreate<%= table_name.camelize %> < ActiveRecord::Migration
def change
create_table(:<%= table_name %>) do |t|
<%= migration_data -%>
<% attributes.each do |attribute| -%>
t.<%= attribute.type %> :<%= attribute.name %>
<% end -%>
t.timestamps
end
end
end