migration.rb

class <%= @migration_class_name %> < ActiveRecord::Migration[<%= ActiveRecord::Migration.current_version %>]
  def change
    create_table :<%= @table_name %> do |t|
<% attributes.each do |attribute| -%>
      t.<%= attribute.type %> :<%= attribute.name %><%= attribute.inject_options %>
<% end -%>
<% if options[:timestamps] %>
      t.timestamps
<% end -%>
    end
<% attributes_with_index.each do |attribute| -%>
    add_index :<%= table_name %>, :<%= attribute.index_name %><%= attribute.inject_index_options %>
<% end -%>
  end
end