44 lines
2.0 KiB
Ruby
44 lines
2.0 KiB
Ruby
# frozen_string_literal: true
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# Copyright (C) 2023 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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class ChangeAssignmentOverridesCheckConstraint < ActiveRecord::Migration[7.0]
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tag :predeploy
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disable_ddl_transaction!
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def up
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remove_check_constraint(:assignment_overrides, name: "require_quiz_or_assignment_or_module", if_exists: true)
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# Split constraint creation and validation to reduce exclusive locking time
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add_check_constraint(:assignment_overrides,
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"workflow_state='deleted' OR assignment_id IS NOT NULL OR quiz_id IS NOT NULL OR context_module_id IS NOT NULL OR wiki_page_id IS NOT NULL OR discussion_topic_id IS NOT NULL OR attachment_id IS NOT NULL",
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name: :require_association,
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if_not_exists: true,
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validate: false)
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validate_constraint(:assignment_overrides, :require_association)
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end
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def down
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remove_check_constraint(:assignment_overrides, name: "require_association", if_exists: true)
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add_check_constraint(:assignment_overrides,
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"workflow_state='deleted' OR quiz_id IS NOT NULL OR assignment_id IS NOT NULL OR context_module_id IS NOT NULL",
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name: :require_quiz_or_assignment_or_module,
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if_not_exists: true,
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validate: false)
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validate_constraint(:assignment_overrides, :require_quiz_or_assignment_or_module)
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end
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end
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