canvas-lms/db/migrate/20141204222243_create_gradi...

36 lines
1.2 KiB
Ruby

#
# Copyright (C) 2014 - 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 CreateGradingPeriodGradesJoinTable < ActiveRecord::Migration[4.2]
tag :predeploy
def change
create_table :grading_period_grades do |t|
t.integer :enrollment_id, :limit => 8
t.integer :grading_period_id, :limit => 8
t.float :current_grade
t.float :final_grade
t.timestamps null: true
end
add_foreign_key :grading_period_grades, :enrollments
add_foreign_key :grading_period_grades, :grading_periods
add_index :grading_period_grades, :enrollment_id
add_index :grading_period_grades, :grading_period_id
end
end