}

	if err := tx.Create(&User{Name: "zzjin"}).Error; err != nil {
		tx.Rollback()
		t.Errorf("Failed to run one transaction, got error %v\n", err)
	}

	if err := tx.Commit().Error; err != nil {
		t.Errorf("Failed to commit transaction, got error %v\n", err)
	}

	if result := db.Where("name=?", "zzjin").Delete(&User{}); result.Error != nil || result.RowsAffected != 1 {

		t.Fatalf("No error should raise, but got %v", err)
	}

	if err = tx2.First(&User{}, "name = ?", "transaction-2").Error; err != nil {
		t.Fatalf("Should find saved record, but got %v", err)
	}

	tx2.Commit()

	if err = db.First(&User{}, "name = ?", "transaction-2").Error; err != nil {
		t.Fatalf("Should be able to find committed record, but got %v", err)
	}

}

func CommitOrRollbackTransaction(db *gorm.DB) {
	if !db.Config.SkipDefaultTransaction {
		if _, ok := db.InstanceGet("gorm:started_transaction"); ok {
			if db.Error != nil {
				db.Rollback()
			} else {
				db.Commit()
			}

			db.Statement.ConnPool = db.ConnPool
		}
	}

import (
	"errors"

	"gorm.io/gorm/logger"
)

var (
	// ErrRecordNotFound record not found error
	ErrRecordNotFound = logger.ErrRecordNotFound
	// ErrInvalidTransaction invalid transaction when you are trying to `Commit` or `Rollback`
	ErrInvalidTransaction = errors.New("invalid transaction")
	// ErrNotImplemented not implemented
	ErrNotImplemented = errors.New("not implemented")
	// ErrMissingWhereClause missing where clause

	PreparedStmtDB *PreparedStmtDB
}

func (db *PreparedStmtTX) GetDBConn() (*sql.DB, error) {
	return db.PreparedStmtDB.GetDBConn()
}

func (tx *PreparedStmtTX) Commit() error {
	if tx.Tx != nil && !reflect.ValueOf(tx.Tx).IsNil() {
		return tx.Tx.Commit()
	}
	return ErrInvalidTransaction
}

func (tx *PreparedStmtTX) Rollback() error {
	if tx.Tx != nil && !reflect.ValueOf(tx.Tx).IsNil() {
		return tx.Tx.Rollback()

	createCallback.Register("gorm:save_after_associations", SaveAfterAssociations(true))
	createCallback.Register("gorm:after_create", AfterCreate)
	createCallback.Match(enableTransaction).Register("gorm:commit_or_rollback_transaction", CommitOrRollbackTransaction)
	createCallback.Clauses = config.CreateClauses

	queryCallback := db.Callback().Query()
	queryCallback.Register("gorm:query", Query)

}

// ConnPoolBeginner conn pool beginner
type ConnPoolBeginner interface {
	BeginTx(ctx context.Context, opts *sql.TxOptions) (ConnPool, error)
}

// TxCommitter tx committer
type TxCommitter interface {
	Commit() error
	Rollback() error
}

// Tx sql.Tx interface
type Tx interface {
	ConnPool
	TxCommitter
	StmtContext(ctx context.Context, stmt *sql.Stmt) *sql.Stmt
}

// Valuer gorm valuer interface

	}

	AssertAssociationCount(t, user2, "Account", 0, "after clear")
}

func TestHasOneAssociationWithSelect(t *testing.T) {
	user := *GetUser("hasone", Config{Account: true})

	DB.Omit("Account.Number").Create(&user)

	AssertAssociationCount(t, user, "Account", 1, "")

	var account Account
	DB.Model(&user).Association("Account").Find(&account)
	if account.Number != "" {

	}

	if hamster2.OtherToy.ID != hamster.OtherToy.ID || hamster2.OtherToy.Name != hamster.OtherToy.Name {
		t.Errorf("Hamster's other toy failed to preload")
	}

	// clear to omit Toy.ID in count
	hamster2.PreferredToy = Toy{}
	hamster2.OtherToy = Toy{}

	if DB.Model(&hamster2).Association("PreferredToy").Count() != 1 {
		t.Errorf("Hamster's preferred toy count should be 1")
	}