1 files changed, 0 insertions, 34 deletions
diff --git a/db/migrate/20210721174453_remove_schedule_and_status_null_constraints_from_pending_escalations_alert.rb b/db/migrate/20210721174453_remove_schedule_and_status_null_constraints_from_pending_escalations_alert.rb
deleted file mode 100644
index 89adaf89693..00000000000
--- a/db/migrate/20210721174453_remove_schedule_and_status_null_constraints_from_pending_escalations_alert.rb
+++ /dev/null
@@ -1,34 +0,0 @@
-# frozen_string_literal: true
-
-class RemoveScheduleAndStatusNullConstraintsFromPendingEscalationsAlert < ActiveRecord::Migration[6.1]
-  include Gitlab::Database::MigrationHelpers
-
-  # In preparation of removal of these columns in 14.3.
-  def up
-    with_lock_retries do
-      change_column_null :incident_management_pending_alert_escalations, :status, true
-      change_column_null :incident_management_pending_alert_escalations, :schedule_id, true
-    end
-  end
-
-  def down
-    backfill_from_rules_and_disallow_column_null :status, value: :status
-    backfill_from_rules_and_disallow_column_null :schedule_id, value: :oncall_schedule_id
-  end
-
-  private
-
-  def backfill_from_rules_and_disallow_column_null(column, value:)
-    with_lock_retries do
-      execute <<~SQL
-        UPDATE incident_management_pending_alert_escalations AS escalations
-        SET #{column} = rules.#{value}
-        FROM incident_management_escalation_rules AS rules
-        WHERE rule_id = rules.id
-        AND escalations.#{column} IS NULL
-      SQL
-
-      change_column_null :incident_management_pending_alert_escalations, column, false
-    end
-  end
-end