37 lines
1.4 KiB
Ruby
37 lines
1.4 KiB
Ruby
#
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# Copyright (C) 2017 - 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 AddSubmissionsNeedsGradingIndex < ActiveRecord::Migration[5.0]
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tag :postdeploy
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disable_ddl_transaction!
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def change
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# see Submission.needs_grading; duplicated instead of called directly so the migration doesn't
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# change even if the query does
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add_index :submissions, :assignment_id, name: 'index_submissions_needs_grading', algorithm: :concurrently, where: <<-SQL
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submissions.submission_type IS NOT NULL
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AND (submissions.excused = 'f' OR submissions.excused IS NULL)
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AND (submissions.workflow_state = 'pending_review'
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OR (submissions.workflow_state IN ('submitted', 'graded')
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AND (submissions.score IS NULL OR NOT submissions.grade_matches_current_submission)
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)
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)
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SQL
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end
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end
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