} else {
		primarySchemaName := primarySchema.Name
		if primarySchemaName == "" {
			primarySchemaName = relation.FieldSchema.Name
		}

		if len(relation.primaryKeys) > 0 {
			for _, primaryKey := range relation.primaryKeys {
				if f := primarySchema.LookUpField(primaryKey); f != nil {
					primaryFields = append(primaryFields, f)
				}
			}
		} else {
			primaryFields = primarySchema.PrimaryFields
		}

					for _, rf := range r.References {
						var primaryKey, primaryKeySchema string
						if rf.PrimaryKey != nil {
							primaryKey, primaryKeySchema = rf.PrimaryKey.Name, rf.PrimaryKey.Schema.Name
						}
						refs = append(refs, fmt.Sprintf(
							"{PrimaryKey: %v PrimaryKeySchame: %v ForeignKey: %v ForeignKeySchema: %v PrimaryValue: %v OwnPrimaryKey: %v}",

	Name     string
	CustomID string
	Type     string
}

type Company struct {
	ID   int
	Name string
}

type Language struct {
	Code string `gorm:"primarykey"`
	Name string
}

type Coupon struct {
	ID               int              `gorm:"primarykey; size:255"`
	AppliesToProduct []*CouponProduct `gorm:"foreignKey:CouponId;constraint:OnDelete:CASCADE"`
	AmountOff        uint32           `gorm:"column:amount_off"`

	// check fields
	fields := []schema.Field{
		{Name: "ID", DBName: "id", BindNames: []string{"Model", "ID"}, DataType: schema.Uint, PrimaryKey: true, Tag: `gorm:"primarykey"`, TagSettings: map[string]string{"PRIMARYKEY": "PRIMARYKEY"}, Size: 64, HasDefaultValue: true, AutoIncrement: true},
		{Name: "CreatedAt", DBName: "created_at", BindNames: []string{"Model", "CreatedAt"}, DataType: schema.Time},

			}
			builder.WriteQuoted(assignment.Column)
			builder.WriteByte('=')
			builder.AddVar(builder, assignment.Value)
		}
	} else {
		builder.WriteQuoted(Column{Name: PrimaryKey})
		builder.WriteByte('=')
		builder.WriteQuoted(Column{Name: PrimaryKey})
	}
}

// MergeClause merge assignments clauses
func (set Set) MergeClause(clause *Clause) {
	copiedAssignments := make([]Assignment, len(set))
	copy(copiedAssignments, set)

			c.AfterExpression.Build(builder)
		}
	}
}

const (
	PrimaryKey   string = "~~~py~~~" // primary key
	CurrentTable string = "~~~ct~~~" // current table
	Associations string = "~~~as~~~" // associations
)

var (
	currentTable  = Table{Name: CurrentTable}
	PrimaryColumn = Column{Table: CurrentTable, Name: PrimaryKey}
)

// Column quote with name
type Column struct {
	Table string
	Name  string

		},
	})
}

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;"`

}

// ColumnType column type interface
type ColumnType interface {
	Name() string
	DatabaseTypeName() string                 // varchar
	ColumnType() (columnType string, ok bool) // varchar(64)
	PrimaryKey() (isPrimaryKey bool, ok bool)
	AutoIncrement() (isAutoIncrement bool, ok bool)
	Length() (length int64, ok bool)
	DecimalSize() (precision int64, scale int64, ok bool)
	Nullable() (nullable bool, ok bool)

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"gorm.io/gorm/schema"
)

var schemaCache = &sync.Map{}

func TestConvertToCreateValues_DestType_Slice(t *testing.T) {
	type user struct {
		ID    int `gorm:"primaryKey"`
		Name  string
		Email string `gorm:"default:(-)"`
		Age   int    `gorm:"default:(-)"`
	}

	s, err := schema.Parse(&user{}, schemaCache, schema.NamingStrategy{})
	if err != nil {

				}

				if prefix, ok := field.TagSettings["EMBEDDEDPREFIX"]; ok && ef.DBName != "" {
					ef.DBName = prefix + ef.DBName
				}

				if ef.PrimaryKey {
					if !utils.CheckTruth(ef.TagSettings["PRIMARYKEY"], ef.TagSettings["PRIMARY_KEY"]) {
						ef.PrimaryKey = false

						if val, ok := ef.TagSettings["AUTOINCREMENT"]; !ok || !utils.CheckTruth(val) {
							ef.AutoIncrement = false
						}