canvas-lms/db/migrate/20140120201847_disallow_null_on_teacher_notes_column.rb

#
# Copyright (C) 2014 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.

class DisallowNullOnTeacherNotesColumn < ActiveRecord::Migration[4.2]
  tag :predeploy

  def self.up
    CustomGradebookColumn.where(teacher_notes: nil).update_all(teacher_notes: false)
    change_column_null :custom_gradebook_columns, :teacher_notes, false
  end

  def self.down
    change_column_null :custom_gradebook_columns, :teacher_notes, true
  end
end