canvas-lms/db/migrate/20111109005013_fix_ungraded...

24 lines
734 B
Ruby

class FixUngradedCounts < ActiveRecord::Migration
tag :predeploy
def self.up
update <<-SQL
UPDATE #{Assignment.quoted_table_name} SET needs_grading_count = COALESCE((
SELECT COUNT(DISTINCT s.id)
FROM #{Submission.quoted_table_name} s
INNER JOIN #{Enrollment.quoted_table_name} e ON e.user_id = s.user_id AND e.workflow_state = 'active'
WHERE s.assignment_id = assignments.id
AND e.course_id = assignments.context_id
AND s.submission_type IS NOT NULL
AND (s.score IS NULL
OR NOT grade_matches_current_submission
OR s.workflow_state IN ('submitted', 'pending_review')
)
), 0)
SQL
end
def self.down
end
end