competition course 2019 rank data

db/migrate/20191113013258_gcc_course_competition_rank_data.rb

@@ -0,0 +1,9 @@
+class GccCourseCompetitionRankData < ActiveRecord::Migration[5.2]
+  def change
+    competition = Competition.find_by(identifier: 'gcc-course-2019')
+    stage = competition.competition_stages.first
+    return if competition.blank? || stage.blank?
+
+    competition.competition_scores.update_all(competition_stage_id: stage.id)
+  end
+end