} 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
		}

		},
	})
}

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;"`

	if err != nil {
		t.Fatalf("Failed to parse user with permission, got error %v", err)
	}

	fields := []*schema.Field{
		{Name: "ID", DBName: "id", BindNames: []string{"ID"}, DataType: schema.Uint, PrimaryKey: true, Size: 64, Creatable: true, Updatable: true, Readable: true, HasDefaultValue: true, AutoIncrement: true},

		t.Fatalf("EN Blog's tags should be cleared")
	}
}

func TestCompositePrimaryKeysAssociations(t *testing.T) {
	type Label struct {
		BookID *uint  `gorm:"primarykey"`
		Name   string `gorm:"primarykey"`
		Value  string
	}

	type Book struct {
		ID     int
		Name   string
		Labels []Label
	}

	DB.Migrator().DropTable(&Label{}, &Book{})

		t.Fatalf("failed to upsert, got name %v", result.Name)
	}

	if name := DB.Dialector.Name(); name != "sqlserver" {
		type RestrictedLanguage struct {
			Code string `gorm:"primarykey"`
			Name string
			Lang string `gorm:"<-:create"`
		}

				if ref.PrimaryValue == "" {
					if ref.OwnPrimaryKey {
						primaryFields = append(primaryFields, ref.PrimaryKey)
						joinPrimaryKeys = append(joinPrimaryKeys, ref.ForeignKey.DBName)
					} else {
						relPrimaryFields = append(relPrimaryFields, ref.PrimaryKey)
						joinRelPrimaryKeys = append(joinRelPrimaryKeys, ref.ForeignKey.DBName)
					}
				} else {

		fkNil[ref.ForeignKey.DBName] = nil

		if ref.OwnPrimaryKey && ref.PrimaryKey != nil {
			ownerPKNames = append(ownerPKNames, ref.PrimaryKey.DBName)
			primaryColumns = append(primaryColumns, clause.Column{Name: ref.PrimaryKey.DBName})
			foreignColumns = append(foreignColumns, clause.Column{Name: ref.ForeignKey.DBName})
		} else if !ref.OwnPrimaryKey && ref.PrimaryKey != nil {
			ownerFKNames = append(ownerFKNames, ref.ForeignKey.DBName)

				schema.FieldsByBindName[bindName] = field

				if v != nil && v.PrimaryKey {
					// remove the existing primary key field
					for idx, f := range schema.PrimaryFields {
						if f.DBName == v.DBName {
							schema.PrimaryFields = append(schema.PrimaryFields[0:idx], schema.PrimaryFields[idx+1:]...)
						}
					}
				}

				if field.PrimaryKey {
					schema.PrimaryFields = append(schema.PrimaryFields, field)
				}

				createTableSQL += "PRIMARY KEY ?,"
				primaryKeys := make([]interface{}, 0, len(stmt.Schema.PrimaryFields))
				for _, field := range stmt.Schema.PrimaryFields {
					primaryKeys = append(primaryKeys, clause.Column{Name: field.DBName})
				}

				values = append(values, primaryKeys)
			}

			for _, idx := range stmt.Schema.ParseIndexes() {

func (db *DB) First(dest interface{}, conds ...interface{}) (tx *DB) {
	tx = db.Limit(1).Order(clause.OrderByColumn{
		Column: clause.Column{Table: clause.CurrentTable, Name: clause.PrimaryKey},
	})
	if len(conds) > 0 {
		if exprs := tx.Statement.BuildCondition(conds[0], conds[1:]...); len(exprs) > 0 {
			tx.Statement.AddClause(clause.Where{Exprs: exprs})
		}
	}