}

	if constraint.OnUpdate != "" {
		sql += " ON UPDATE " + constraint.OnUpdate
	}

	foreignKeys := make([]interface{}, 0, len(constraint.ForeignKeys))
	for _, field := range constraint.ForeignKeys {
		foreignKeys = append(foreignKeys, clause.Column{Name: field.DBName})
	}

	references := make([]interface{}, 0, len(constraint.References))
	for _, field := range constraint.References {

			primaryFields []*schema.Field
			foreignKeys   []string
			updateAttrs   = map[string]interface{}{}
			conds         []clause.Expression
		)

		for _, ref := range rel.References {
			if ref.PrimaryValue == "" {
				primaryFields = append(primaryFields, ref.PrimaryKey)
				foreignKeys = append(foreignKeys, ref.ForeignKey.DBName)
				updateAttrs[ref.ForeignKey.DBName] = nil
			} else {

}

// ToQueryValues to query values
func ToQueryValues(table string, foreignKeys []string, foreignValues [][]interface{}) (interface{}, []interface{}) {
	queryValues := make([]interface{}, len(foreignValues))
	if len(foreignKeys) == 1 {
		for idx, r := range foreignValues {
			queryValues[idx] = r[0]
		}

		return clause.Column{Table: table, Name: foreignKeys[0]}, queryValues
	}

		Name      string
		UserRefer uint
	}

	type User struct {
		gorm.Model
		Profiles  []Profile `gorm:"many2many:user_profiles;ForeignKey:Refer;JoinForeignKey:UserReferID;References:UserRefer;JoinReferences:ProfileRefer"`
		Profiles2 []Profile `gorm:"many2many:user_profiles2;ForeignKey:refer;JoinForeignKey:user_refer_id;References:user_refer;JoinReferences:profile_refer"`
		Refer     uint
	}

from sqlalchemy import Boolean, Column, ForeignKey, Integer, String
from sqlalchemy.orm import relationship

from .database import Base


class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True)
    email = Column(String, unique=True, index=True)
    hashed_password = Column(String)
    is_active = Column(Boolean, default=True)

    items = relationship("Item", back_populates="owner")

				joinForeignKeys = append(joinForeignKeys, ref.ForeignKey.DBName)
				joinForeignFields = append(joinForeignFields, ref.ForeignKey)
				foreignFields = append(foreignFields, ref.PrimaryKey)
			} else if ref.PrimaryValue != "" {
				tx = tx.Where(clause.Eq{Column: ref.ForeignKey.DBName, Value: ref.PrimaryValue})
			} else {
				joinRelForeignFields = append(joinRelForeignFields, ref.ForeignKey)

								db.AddError(ref.ForeignKey.Set(db.Statement.Context, f, fv))
							} else if ref.PrimaryValue != "" {
								db.AddError(ref.ForeignKey.Set(db.Statement.Context, f, ref.PrimaryValue))
							}
							assignmentColumns = append(assignmentColumns, ref.ForeignKey.DBName)
						}

						saveAssociations(db, rel, f, selectColumns, restricted, assignmentColumns)

					if ref.OwnPrimaryKey {
						foreignFields = append(foreignFields, ref.PrimaryKey)
						relForeignKeys = append(relForeignKeys, ref.ForeignKey.DBName)
					} else if ref.PrimaryValue != "" {
						queryConds = append(queryConds, clause.Eq{
							Column: clause.Column{Table: rel.JoinTable.Table, Name: ref.ForeignKey.DBName},
							Value:  ref.PrimaryValue,
						})
					}
				}

	Account   *tests.Account
	Pets      []*tests.Pet
	Toys      []*tests.Toy `gorm:"polymorphic:Owner"`
	CompanyID *int
	Company   *tests.Company
	ManagerID *uint
	Manager   *User
	Team      []*User           `gorm:"foreignkey:ManagerID"`
	Languages []*tests.Language `gorm:"many2many:UserSpeak"`
	Friends   []*User           `gorm:"many2many:user_friends"`
	Active    *bool
}

type (
	mytime time.Time
	myint  int
	mybool = bool

	for _, ref := range relation.References {
		f := joinSchema.LookUpField(ref.ForeignKey.DBName)
		if f == nil {
			return fmt.Errorf("missing field %s for join table", ref.ForeignKey.DBName)
		}

		f.DataType = ref.ForeignKey.DataType
		f.GORMDataType = ref.ForeignKey.GORMDataType
		if f.Size == 0 {
			f.Size = ref.ForeignKey.Size
		}
		ref.ForeignKey = f
	}