operations := []struct {
		Type     clause.AssociationOpType
		TypeName string
	}{
		{clause.OpUnlink, "OpUnlink"},
		{clause.OpDelete, "OpDelete"},
		{clause.OpUpdate, "OpUpdate"},
		{clause.OpCreate, "OpCreate"},
	}

	for _, op := range operations {
		assoc := clause.Association{
			Association: "Orders",
			Type:        op.Type,
		}

		if assoc.Type != op.Type {

	// Create top level directories if they don't exist.
	// with mode 0o777 mkdir honors system umask.
	mkdirAll(pathutil.Dir(filePath), 0o777, s.drivePath) // don't need to fail here

	w, err := s.openFileDirect(filePath, os.O_CREATE|os.O_WRONLY|os.O_EXCL)
	if err != nil {
		return err
	}
	_, err = w.Write(alignedBuf)
	w.Close()
	if err != nil {
		if isSysErrInvalidArg(err) {
			err = errUnsupportedDisk
		}
	}

func (s setCreateOrUpdateG[T]) executeAssociationOperation(ctx context.Context, op clause.Association) error {
	var r T
	base := s.c.g.apply(ctx).Model(r)

	switch op.Type {
	case clause.OpCreate:
		return s.handleAssociationCreate(ctx, base, op)
	case clause.OpUnlink, clause.OpDelete, clause.OpUpdate:
		return s.handleAssociation(ctx, base, op)
	default: