44 lines
1.3 KiB
Ruby
44 lines
1.3 KiB
Ruby
#
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# Copyright (C) 2014 - 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 CreateQuizSubmissionEvents < ActiveRecord::Migration[4.2]
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tag :predeploy
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def up
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create_table :quiz_submission_events do |t|
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t.integer :attempt
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t.string :event_type
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t.integer :quiz_submission_id, limit: 8, null: false
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t.text :answers
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t.datetime :created_at
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end
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# for sorting:
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add_index :quiz_submission_events, :created_at
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# for locating predecessor events:
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add_index :quiz_submission_events, [ :quiz_submission_id, :attempt, :created_at ],
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name: 'event_predecessor_locator_index'
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add_foreign_key :quiz_submission_events, :quiz_submissions
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end
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def down
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drop_table :quiz_submission_events
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end
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end
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