1 files changed, 30 insertions, 0 deletions
diff --git a/db/migrate/20220321234317_remove_all_issuable_escalation_statuses.rb b/db/migrate/20220321234317_remove_all_issuable_escalation_statuses.rb
new file mode 100644
index 00000000000..a6ea1820160
--- /dev/null
+++ b/db/migrate/20220321234317_remove_all_issuable_escalation_statuses.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class RemoveAllIssuableEscalationStatuses < Gitlab::Database::Migration[1.0]
+  BATCH_SIZE = 5_000
+
+  disable_ddl_transaction!
+
+  # Removes records from previous backfill. Records for
+  # existing incidents will be created entirely as-needed.
+  #
+  # See db/post_migrate/20211214012507_backfill_incident_issue_escalation_statuses.rb,
+  # & IncidentManagement::IssuableEscalationStatuses::[BuildService,PrepareUpdateService]
+  def up
+    each_batch_range('incident_management_issuable_escalation_statuses', of: BATCH_SIZE) do |min, max|
+      execute <<~SQL
+        DELETE FROM incident_management_issuable_escalation_statuses
+        WHERE id BETWEEN #{min} AND #{max}
+      SQL
+    end
+  end
+
+  def down
+    # no-op
+    #
+    # Potential rollback/re-run should not have impact, as these
+    # records are not required to be present in the application.
+    # The corresponding feature flag is also disabled,
+    # preventing any user-facing access to the records.
+  end
+end