Populate the column

lib/tasks/deployment/20190809074534_populate_user_administrateur_ids.rake

@@ -0,0 +1,10 @@
+namespace :after_party do
+  desc 'Deployment task: populate_user_administrateur_ids'
+  task populate_user_administrateur_ids: :environment do
+    Administrateur.find_each do |administrateur|
+      User.where(email: administrateur.email).update(administrateur_id: administrateur.id)
+    end
+
+    AfterParty::TaskRecord.create version: '20190809074534'
+  end
+end