1 files changed, 26 insertions, 0 deletions
diff --git a/db/post_migrate/20211214012507_backfill_incident_issue_escalation_statuses.rb b/db/post_migrate/20211214012507_backfill_incident_issue_escalation_statuses.rb
new file mode 100644
index 00000000000..7f0168be1a4
--- /dev/null
+++ b/db/post_migrate/20211214012507_backfill_incident_issue_escalation_statuses.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class BackfillIncidentIssueEscalationStatuses < Gitlab::Database::Migration[1.0]
+  MIGRATION = 'BackfillIncidentIssueEscalationStatuses'
+  DELAY_INTERVAL = 2.minutes
+  BATCH_SIZE = 20_000
+
+  disable_ddl_transaction!
+
+  class Issue < ActiveRecord::Base
+    include EachBatch
+
+    self.table_name = 'issues'
+  end
+
+  def up
+    relation = Issue.all
+
+    queue_background_migration_jobs_by_range_at_intervals(
+      relation, MIGRATION, DELAY_INTERVAL, batch_size: BATCH_SIZE, track_jobs: true)
+  end
+
+  def down
+    # no-op
+  end
+end