1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20210205213915_remove_foreign_keys_from_alerts_service_data.rb b/db/migrate/20210205213915_remove_foreign_keys_from_alerts_service_data.rb
new file mode 100644
index 00000000000..1d539f783b4
--- /dev/null
+++ b/db/migrate/20210205213915_remove_foreign_keys_from_alerts_service_data.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class RemoveForeignKeysFromAlertsServiceData < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      remove_foreign_key_if_exists :alerts_service_data, column: :service_id
+    end
+  end
+
+  def down
+    with_lock_retries do
+      add_foreign_key :alerts_service_data, :services, column: :service_id, on_delete: :cascade
+    end
+  end
+end