34 lines
1.4 KiB
Ruby
34 lines
1.4 KiB
Ruby
class AddFinalToProvisionalGrades < ActiveRecord::Migration
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tag :predeploy
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def up
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add_column :moderated_grading_provisional_grades, :final, :boolean, :null => false, :default => false
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add_index :moderated_grading_provisional_grades,
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[:submission_id],
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:unique => true,
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:where => ["final = ?", true],
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:name => :idx_mg_provisional_grades_unique_submission_when_final
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remove_index :moderated_grading_provisional_grades, :name => :idx_mg_provisional_grades_unique_submission_scorer
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add_index :moderated_grading_provisional_grades,
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[:submission_id, :scorer_id],
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:unique => true,
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:name => :idx_mg_provisional_grades_unique_sub_scorer_when_not_final,
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:where => ["final = ?", false]
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end
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def down
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remove_index :moderated_grading_provisional_grades, :name => :idx_mg_provisional_grades_unique_submission_when_final
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remove_index :moderated_grading_provisional_grades, :name => :idx_mg_provisional_grades_unique_sub_scorer_when_not_final
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ModeratedGrading::ProvisionalGrade.where(:final => false,
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:scorer_id => ModeratedGrading::ProvisionalGrade.where(:final => true).select(:scorer_id)).delete_all # resolve the unique index
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remove_column :moderated_grading_provisional_grades, :final
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add_index :moderated_grading_provisional_grades,
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[:submission_id, :scorer_id],
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unique: true,
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name: :idx_mg_provisional_grades_unique_submission_scorer
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end
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end
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