if !selectedUpdate {
			tx.Statement.Selects = append(tx.Statement.Selects, "*")
		}

		updateTx := tx.callbacks.Update().Execute(tx.Session(&Session{Initialized: true}))

		if updateTx.Error == nil && updateTx.RowsAffected == 0 && !updateTx.DryRun && !selectedUpdate {
			return tx.Session(&Session{SkipHooks: true}).Clauses(clause.OnConflict{UpdateAll: true}).Create(value)
		}

		return updateTx
	}

	return
}

	DB.Where(&User{Name: "find or create 3"}).Assign("age", 55).FirstOrCreate(&user4)

	if user4.Age != 55 {
		t.Errorf("Failed to set change to 55, got %v", user4.Age)
	}

	if updatedAt1.Format(time.RFC3339Nano) == user4.UpdatedAt.Format(time.RFC3339Nano) {
		t.Errorf("UpdateAt should be changed when update values with assign")
	}

	DB.Where(&User{Name: "find or create 4"}).Assign(User{Age: 44}).FirstOrCreate(&user4)

		dsts[i] = typecheck.AssignExpr(v.Nname.(*ir.Name))
	}

	n.Results = ascompatee(n.Op(), dsts, n.Results)
	return n
}

// check assign type list to
// an expression list. called in
//
//	expr-list = func()
func ascompatet(nl ir.Nodes, nr *types.Type) []ir.Node {
	if len(nl) != nr.NumFields() {

}

// DB GORM DB definition
type DB struct {
	*Config
	Error        error
	RowsAffected int64
	Statement    *Statement
	clone        int
}

// Session session config when create session with Session() method
type Session struct {
	DryRun                   bool
	PrepareStmt              bool
	NewDB                    bool
	Initialized              bool
	SkipHooks                bool

	DB.Raw("select * from users WHERE id = ?", users[1].ID).First(&user)
	CheckUser(t, user, *users[1])
}

func TestDryRun(t *testing.T) {
	user := *GetUser("dry-run", Config{})

	dryRunDB := DB.Session(&gorm.Session{DryRun: true})

	stmt := dryRunDB.Create(&user).Statement
	if stmt.SQL.String() == "" || len(stmt.Vars) != 9 {
		t.Errorf("Failed to generate sql, got %v", stmt.SQL.String())
	}

	// interface.
	exact
)

func (m unifyMode) String() string {
	switch m {
	case 0:
		return "inexact"
	case assign:
		return "assign"
	case exact:
		return "exact"
	case assign | exact:
		return "assign, exact"
	}
	return fmt.Sprintf("mode %d", m)
}

// unify attempts to unify x and y and reports whether it succeeded.

		t.Fatalf("error during first connection handshake: %v", err)
	}
	if cli.conn.ConnectionState().DidResume {
		t.Errorf("first connection unexpectedly used session resumption")
	}

	cli2 := newTestQUICClient(t, clientConfig)
	cli2.conn.SetTransportParameters(nil)
	srv2 := newTestQUICServer(t, serverConfig)
	srv2.conn.SetTransportParameters(nil)

	// 1. make a static array
	//	var vstat [...]t
	// 2. assign (data statements) the constant part
	//	vstat = constpart{}
	// 3. make an auto pointer to array and allocate heap to it
	//	var vauto *[...]t = new([...]t)
	// 4. copy the static array to the auto array
	//	*vauto = vstat
	// 5. for each dynamic part assign to the array
	//	vauto[i] = dynamic part
	// 6. assign slice of allocated heap to var
	//	var = vauto[:]
	//

	}
	// If there was a carry, then subtracting y underflowed, so
	// x is not greater than or equal to y.
	return not(choice(c))
}

// assign sets x <- y if on == 1, and does nothing otherwise.
//
// Both operands must have the same announced length.
func (x *Nat) assign(on choice, y *Nat) *Nat {
	// Eliminate bounds checks in the loop.
	size := len(x.limbs)
	xLimbs := x.limbs[:size]
	yLimbs := y.limbs[:size]

	if x.Results != nil {
		// rewrite "return val" into "assign to named result; return"
		if len(r.outer.ResultList) > 0 {
			// Make sure that result parameters all have names
			for i, a := range r.outer.ResultList {
				if a.Name == nil || a.Name.Value == "_" {
					r.generateParamName(r.outer.ResultList, i) // updates a.Name
				}
			}
		}
		// Assign to named results
		results := []types2.Object{}