tx3 := DB.Session(&gorm.Session{PrepareStmt: true})
		if err := tx3.Transaction(func(tx4 *gorm.DB) error {
			// nested transaction
			return tx4.Transaction(func(tx5 *gorm.DB) error {
				return tx5.First(&User{}, "name = ?", "transaction-2").Error
			})
		}); err != nil {
			t.Fatalf("prepare statement and nested transcation coexist" + err.Error())
		}
	})
}

func TestCancelTransaction(t *testing.T) {
	ctx := context.Background()

			db.Statement.ConnPool = tx.Statement.ConnPool
			db.InstanceSet("gorm:started_transaction", true)
		} else if tx.Error == gorm.ErrInvalidTransaction {
			tx.Error = nil
		} else {
			db.Error = tx.Error
		}
	}
}

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

	}

	tx := db.Begin()
	user := *GetUser("transaction", Config{})

	if err = tx.Save(&user).Error; err != nil {
		t.Fatalf("No error should raise, but got %v", err)
	}

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

	user1 := *GetUser("transaction1-1", Config{})

	if err = tx.Save(&user1).Error; err != nil {

                break;
            case SMB_COM_TRANSACTION:
                c = "SMB_COM_TRANSACTION";
                break;
            case SMB_COM_TRANSACTION2:
                c = "SMB_COM_TRANSACTION2";
                break;
            case SMB_COM_TRANSACTION_SECONDARY:
                c = "SMB_COM_TRANSACTION_SECONDARY";
                break;
            case SMB_COM_FIND_CLOSE2:

                                  TF_Status* status);

  /// Returns transaction token for `path` if it is part of a transaction else
  /// starts a new transaction and adds `path` to that transaction
  ///
  /// Transaction token is returned in `token`. Ownership of the token is in
  /// filesystem. Token will be freed in `end_transaction` call and any access
  /// to token after that is invalid.
  ///

            c = "SMB_COM_CHECK_DIRECTORY";
            break;
        case SMB_COM_TRANSACTION:
            c = "SMB_COM_TRANSACTION";
            break;
        case SMB_COM_TRANSACTION2:
            c = "SMB_COM_TRANSACTION2";
            break;
        case SMB_COM_TRANSACTION_SECONDARY:
            c = "SMB_COM_TRANSACTION_SECONDARY";
            break;
        case SMB_COM_FIND_CLOSE2:

)

// for Config.cacheStore store PreparedStmtDB key
const preparedStmtDBKey = "preparedStmt"

// Config GORM config
type Config struct {
	// GORM perform single create, update, delete operations in transactions by default to ensure database data integrity
	// You can disable it by setting `SkipDefaultTransaction` to true
	SkipDefaultTransaction bool
	// NamingStrategy tables, columns naming strategy
	NamingStrategy schema.Namer

                case ServerMessageBlock.SMB_COM_CLOSE:
                case ServerMessageBlock.SMB_COM_TREE_DISCONNECT:
                    break;
                case ServerMessageBlock.SMB_COM_TRANSACTION:
                case ServerMessageBlock.SMB_COM_TRANSACTION2:
                    switch( ((SmbComTransaction)request).subCommand & 0xFF ) {
                        case SmbComTransaction.NET_SHARE_ENUM:

	deleteCallback.Register("gorm:before_delete", BeforeDelete)
	deleteCallback.Register("gorm:delete_before_associations", DeleteBeforeAssociations)
	deleteCallback.Register("gorm:delete", Delete(config))
	deleteCallback.Register("gorm:after_delete", AfterDelete)
	deleteCallback.Match(enableTransaction).Register("gorm:commit_or_rollback_transaction", CommitOrRollbackTransaction)

    TransCallNamedPipe( String pipeName, byte[] data, int off, int len ) {
        name = pipeName;
        pipeData = data;
        pipeDataOff = off;
        pipeDataLen = len;
        command = SMB_COM_TRANSACTION;
        subCommand = TRANS_CALL_NAMED_PIPE;
        timeout = 0xFFFFFFFF;
        maxParameterCount = 0;
        maxDataCount = 0xFFFF;
        maxSetupCount = (byte)0x00;
        setupCount = 2;
    }