42 lines
1.5 KiB
Ruby
42 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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#
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# Copyright (C) 2019 - 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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#
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class CreateSubmissionDraft < ActiveRecord::Migration[5.1]
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tag :predeploy
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def change
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create_table :submission_drafts do |t|
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t.references :submission, foreign_key: true, index: true, null: false
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t.integer :submission_attempt, index: true, null: false
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end
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# Attachments can be cross shard, so we can't use a proper foreign key for them
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create_table :submission_draft_attachments do |t|
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t.references :submission_draft, foreign_key: true, index: true, null: false
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t.integer :attachment_id, limit: 8, index: true, null: false
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end
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add_index :submission_draft_attachments,
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[:submission_draft_id, :attachment_id],
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name: "index_submission_draft_and_attachment_unique",
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unique: true
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end
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end
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