重命名ActiveRecord/Rails的created_at,updated_at列

class YourModel< ApplicationRecord
  self.created_at_attribute_name = 'your_created_at_column'
  self.updated_at_attribute_name = 'your_updated_at_column'
end

class RenameTimestampsColumns< ActiveRecord::Migration[6.1]
  def change
    rename_column :your_model, :created_at, :your_created_at_column
    rename_column :your_model, :updated_at, :your_updated_at_column
  end
end