Merge pull request #5876 from nhsuk/data-migration-remove-performed-at-time

Add `unset_vaccination_record_performed_at_time`

Author: stevehook

lib/tasks/data_migration.rake

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+namespace :data_migration do
+  desc "Unset performed at time on imported vaccination records if midnight"
+  task unset_vaccination_record_performed_at_time: :environment do
+    VaccinationRecord
+      .sourced_from_historical_upload
+      .where("performed_at_time = '00:00:00'")
+      .update_all(performed_at_time: nil)
+  end
+end