DB.Migrator().AutoMigrate(&Preload{}, &Join{}, &Nested{}, &Value{})

	value1 := Value{
		Name: "value",
		Nested: Nested{
			Preloads: []*Preload{
				{Value: "p1"}, {Value: "p2"},
			},
			Join: Join{Value: "j1"},
		},
	}
	value2 := Value{
		Name: "value2",
		Nested: Nested{
			Preloads: []*Preload{
				{Value: "p3"}, {Value: "p4"}, {Value: "p5"},
			},

	for idx, field := range fields {
		if field != nil {
			values[idx] = field.NewValuePool.Get()
		} else if len(fields) == 1 {
			if reflectValue.CanAddr() {
				values[idx] = reflectValue.Addr().Interface()
			} else {
				values[idx] = reflectValue.Interface()
			}
		}
	}

	db.RowsAffected++
	db.AddError(rows.Scan(values...))

	}

	// case 3: records
	values := []map[string]interface{}{
		{"name": "create_from_map_with_schema11", "age": 1}, {"name": "create_from_map_with_schema12", "age": 1},
	}

	beforeLen := len(values)
	if err := DB.Model(&User{}).Create(&values).Error; err != nil {
		t.Fatalf("failed to create data from map, got error: %v", err)
	}

	// mariadb with returning, values will be appended with id map

		},
	})
}

func TestMany2ManyWithMultiPrimaryKeys(t *testing.T) {
	type Tag struct {
		ID     uint   `gorm:"primary_key"`
		Locale string `gorm:"primary_key"`
		Value  string
	}

	type Blog struct {
		ID         uint   `gorm:"primary_key"`
		Locale     string `gorm:"primary_key"`
		Subject    string
		Body       string
		Tags       []Tag `gorm:"many2many:blog_tags;"`

					values.Columns = append(values.Columns, clause.Column{Name: field.DBName})
					for idx := range values.Values {
						if vs[idx] == nil {
							values.Values[idx] = append(values.Values[idx], stmt.DefaultValueOf(field))
						} else {
							values.Values[idx] = append(values.Values[idx], vs[idx])
						}
					}
				}
			}
		case reflect.Struct:

	column, values := schema.ToQueryValues(clause.CurrentTable, relForeignKeys, foreignValues)

	if len(values) != 0 {
		for _, cond := range conds {
			if fc, ok := cond.(func(*gorm.DB) *gorm.DB); ok {
				tx = fc(tx)
			} else {
				inlineConds = append(inlineConds, cond)
			}
		}

	relation.Polymorphic = &Polymorphic{
		Value: schema.Table,
	}

	var (
		typeName = polymorphic + "Type"
		typeId   = polymorphic + "ID"
	)

	if value, ok := field.TagSettings["POLYMORPHICTYPE"]; ok {
		typeName = strings.TrimSpace(value)
	}

	if value, ok := field.TagSettings["POLYMORPHICID"]; ok {
		typeId = strings.TrimSpace(value)
	}

						return field.Set(ctx, value, reflectV.Elem().Interface())
					} else {
						if valuer, ok := v.(driver.Valuer); ok {
							v, _ = valuer.Value()
						}

						err = field.ReflectValueOf(ctx, value).Addr().Interface().(sql.Scanner).Scan(v)
					}
					return
				}
			} else {
				field.Set = func(ctx context.Context, value reflect.Value, v interface{}) (err error) {