36 lines
1.2 KiB
Ruby
36 lines
1.2 KiB
Ruby
#
|
|
# Copyright (C) 2019 - 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 BackfillCachedQuizLtiOnSubmissions < ActiveRecord::Migration[5.1]
|
|
tag :predeploy
|
|
disable_ddl_transaction!
|
|
|
|
def up
|
|
DataFixup::BackfillNulls.run(Submission, :cached_quiz_lti, default_value: false)
|
|
Shard.current.database_server.unshackle do
|
|
connection = Submission.connection
|
|
connection.execute("VACUUM ANALYZE #{Submission.quoted_table_name}") if connection.open_transactions == 0
|
|
end
|
|
change_column_null(:submissions, :cached_quiz_lti, false)
|
|
end
|
|
|
|
def down
|
|
change_column_null(:submissions, :cached_quiz_lti, true)
|
|
end
|
|
end
|