canvas-lms/db/migrate/20170327150955_make_enrolll...

33 lines
1.1 KiB
Ruby

#
# Copyright (C) 2017 - 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 MakeEnrolllmentStateLockNotNull < ActiveRecord::Migration[4.2]
tag :predeploy
disable_ddl_transaction!
def up
change_column_default(:enrollment_states, :lock_version, 0)
EnrollmentState.find_ids_in_ranges(:batch_size => 100_000) do |min_id, max_id|
EnrollmentState.where(:enrollment_id => min_id..max_id, :lock_version => nil).update_all(:lock_version => 0)
end
change_column_null(:enrollment_states, :lock_version, false)
end
def down
end
end