canvas-lms/db/migrate/20181101160457_create_messa...

33 lines
1.1 KiB
Ruby

#
# Copyright (C) 2016 - 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 CreateMessagePartitions < ActiveRecord::Migration[5.1]
tag :predeploy
def up
partman = CanvasPartman::PartitionManager.create(Message)
partman.create_initial_partitions(Messages::Partitioner.precreate_tables)
end
def down
partman = CanvasPartman::PartitionManager.create(Message)
partman.partition_tables.each do |partition|
drop_table partition
end
end
end