Method Scan

persistence/gorm/serializer.go:205–223

Scan implements https://pkg.go.dev/gorm.io/gorm/schema#SerializerInterface to indicate how this struct can be loaded from an SQL database field.

(ctx context.Context, field *schema.Field, dst reflect.Value, dbValue interface{})

// Scan implements https://pkg.go.dev/gorm.io/gorm/schema#SerializerInterface to indicate how
// this struct can be loaded from an SQL database field.
func (ValueSerializer) Scan(ctx context.Context, field *schema.Field, dst reflect.Value, dbValue interface{}) (err error) {
	v := new(structpb.Value)

	if dbValue != nil {
		switch d := dbValue.(type) {
		case []byte:
			err = v.UnmarshalJSON(d)
			if err != nil {
				return err
			}
		default:
			return persistence.ErrUnsupportedType
		}

		field.ReflectValueOf(ctx, dst).Set(reflect.ValueOf(v))
	}

	return
}