44 lines
1.6 KiB
Ruby
44 lines
1.6 KiB
Ruby
#
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# Copyright (C) 2015 - 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 CreateSelectionTable < ActiveRecord::Migration[4.2]
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tag :predeploy
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def up
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create_table :moderated_grading_selections do |t|
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t.integer :assignment_id, limit: 8, null: false
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t.integer :student_id, limit: 8, null: false
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t.integer :selected_provisional_grade_id, limit: 8, null: true
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t.timestamps null: false
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end
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add_index :moderated_grading_selections, :assignment_id
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add_index :moderated_grading_selections,
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[:assignment_id, :student_id],
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unique: true,
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name: :idx_mg_selections_unique_on_assignment_and_student
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add_foreign_key :moderated_grading_selections, :assignments
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add_foreign_key :moderated_grading_selections, :users, column: :student_id
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add_foreign_key :moderated_grading_selections, :moderated_grading_provisional_grades, column: :selected_provisional_grade_id
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end
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def down
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drop_table :moderated_grading_selections
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end
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end
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