osem-fcy/db/migrate/20160627122446_create_surveys.rb

# frozen_string_literal: true

class CreateSurveys < ActiveRecord::Migration[5.0]
  def change
    create_table :surveys do |t|
      t.datetime :start_date
      t.datetime :end_date
      t.string :title
      t.text :description
      t.references :surveyable, polymorphic: true, index: true

      t.timestamps null: false
    end
  end
end