canvas-lms/db/migrate/20170512184911_make_late_po...

36 lines
1.3 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 MakeLatePolicyUnique < ActiveRecord::Migration[4.2]
# running fixup as a predeploy and add_index without concern of lockup
# because we're certain the tables are small. Only one endpoint has been
# exposed, in beta, and that endpoint is behind a feature flag. The only way a
# duplicate LatePolicy can be created at this point is through a rails console
tag :predeploy
def change
reversible do |dir|
dir.up do
DataFixup::MakeLatePolicyUnique.run
end
end
remove_index :late_policies, column: :course_id
add_index :late_policies, :course_id, unique: true
end
end