Add timestamp to software license policy

db/migrate/20200107172020_add_timestamp_softwarelicensespolicy.rb

+# frozen_string_literal: true
+
+class AddTimestampSoftwarelicensespolicy < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    add_timestamps_with_timezone(:software_license_policies, null: true)
+  end
+
+  def down
+    remove_timestamps(:software_license_policies)
+  end
+end

db/schema.rb

@@ -3824,6 +3824,8 @@ ActiveRecord::Schema.define(version: 2020_01_08_100603) do
     t.integer "project_id", null: false
     t.integer "software_license_id", null: false
     t.integer "classification", default: 0, null: false
+    t.datetime_with_timezone "created_at"
+    t.datetime_with_timezone "updated_at"
     t.index ["project_id", "software_license_id"], name: "index_software_license_policies_unique_per_project", unique: true
     t.index ["software_license_id"], name: "index_software_license_policies_on_software_license_id"
   end

spec/migrations/20200107172020_add_timestamp_softwarelicensespolicy_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+require Rails.root.join('db', 'migrate', '20200107172020_add_timestamp_softwarelicensespolicy.rb')
+
+describe AddTimestampSoftwarelicensespolicy, :migration do
+  let(:software_licenses_policy) { table(:software_license_policies) }
+  let(:projects) { table(:projects) }
+  let(:licenses) { table(:software_licenses) }
+
+  before do
+    projects.create!(name: 'gitlab', path: 'gitlab-org/gitlab-ce', namespace_id: 1)
+    licenses.create!(name: 'MIT')
+    software_licenses_policy.create!(project_id: projects.first.id, software_license_id: licenses.first.id)
+  end
+
+  it 'creates timestamps' do
+    migrate!
+
+    expect(software_licenses_policy.first.created_at).to be_nil
+    expect(software_licenses_policy.first.updated_at).to be_nil
+  end
+end