Update timestamp values for software license policies

db/migrate/20200116175538_update_timestamp_softwarelicensespolicy.rb

+# frozen_string_literal: true
+
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class UpdateTimestampSoftwarelicensespolicy < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    time = Time.zone.now
+
+    update_column_in_batches(:software_license_policies, :created_at, time) do |table, query|
+      query.where(table[:created_at].eq(nil))
+    end
+
+    update_column_in_batches(:software_license_policies, :updated_at, time) do |table, query|
+      query.where(table[:updated_at].eq(nil))
+    end
+  end
+
+  def down
+    # no-op
+  end
+end

db/migrate/20200121132641_update_timestamp_softwarelicensespolicy_not_null.rb

+# frozen_string_literal: true
+
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class UpdateTimestampSoftwarelicensespolicyNotNull < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    change_column_null(:software_license_policies, :created_at, false)
+    change_column_null(:software_license_policies, :updated_at, false)
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_01_17_112554) do
+ActiveRecord::Schema.define(version: 2020_01_21_132641) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_trgm"
@@ -3857,8 +3857,8 @@ ActiveRecord::Schema.define(version: 2020_01_17_112554) 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.datetime_with_timezone "created_at", null: false
+    t.datetime_with_timezone "updated_at", null: false
     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/update_timestamp_softwarelicensespolicy_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+require Rails.root.join('db', 'migrate', '20200116175538_update_timestamp_softwarelicensespolicy.rb')
+
+describe UpdateTimestampSoftwarelicensespolicy, :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, created_at: nil, updated_at: nil)
+  end
+
+  it 'creates timestamps' do
+    migrate!
+
+    expect(software_licenses_policy.first.created_at).to be_present
+    expect(software_licenses_policy.first.updated_at).to be_present
+  end
+end