38 lines
1.3 KiB
Ruby
38 lines
1.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
#
|
|
# 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::DeleteDuplicateRows.run(LatePolicy, :course_id, order: "id DESC")
|
|
end
|
|
end
|
|
|
|
remove_index :late_policies, column: :course_id
|
|
add_index :late_policies, :course_id, unique: true
|
|
end
|
|
end
|