1 files changed, 29 insertions, 0 deletions
diff --git a/db/migrate/20191203121729_update_group_deletion_schedules_foreign_keys.rb b/db/migrate/20191203121729_update_group_deletion_schedules_foreign_keys.rb
new file mode 100644
index 00000000000..99531a1e93e
--- /dev/null
+++ b/db/migrate/20191203121729_update_group_deletion_schedules_foreign_keys.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class UpdateGroupDeletionSchedulesForeignKeys < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key(:group_deletion_schedules, :users, column: :user_id, on_delete: :cascade, name: new_foreign_key_name)
+    remove_foreign_key_if_exists(:group_deletion_schedules, column: :user_id, on_delete: :nullify)
+  end
+
+  def down
+    add_concurrent_foreign_key(:group_deletion_schedules, :users, column: :user_id, on_delete: :nullify, name: existing_foreign_key_name)
+    remove_foreign_key_if_exists(:group_deletion_schedules, column: :user_id, on_delete: :cascade)
+  end
+
+  private
+
+  def new_foreign_key_name
+    concurrent_foreign_key_name(:group_deletion_schedules, :user_id)
+  end
+
+  def existing_foreign_key_name
+    'fk_group_deletion_schedules_users_user_id'
+  end
+end