[]clause.Interface{
				clause.Update{},
				clause.Set([]clause.Assignment{{clause.PrimaryColumn, 1}}),
				clause.Set([]clause.Assignment{{clause.Column{Name: "name"}, "jinzhu"}}),
			},
			"UPDATE `users` SET `name`=?",
			[]interface{}{"jinzhu"},
		},
	}

	for idx, result := range results {
		t.Run(fmt.Sprintf("case #%v", idx), func(t *testing.T) {
			checkBuildClauses(t, result.Clauses, result.Result, result.Vars)
		})
	}

		},
		{
			[]clause.Interface{
				clause.Select{}, clause.From{}, clause.OrderBy{
					Columns: []clause.OrderByColumn{{Column: clause.PrimaryColumn, Desc: true}},
				}, clause.OrderBy{
					Columns: []clause.OrderByColumn{{Column: clause.Column{Name: "name"}}},
				},
			},
			"SELECT * FROM `users` ORDER BY `users`.`id` DESC,`name`", nil,
		},
		{
			[]clause.Interface{
				clause.Select{}, clause.From{}, clause.OrderBy{

			"SELECT * FROM `users` FOR SHARE OF `users`", nil,
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Locking{Strength: clause.LockingStrengthUpdate, Options: clause.LockingOptionsNoWait}},
			"SELECT * FROM `users` FOR UPDATE NOWAIT", nil,
		},
		{

			[]interface{}{"admin"},
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.GroupBy{
				Columns: []clause.Column{{Name: "role"}},
				Having:  []clause.Expression{clause.Eq{"role", "admin"}},
			}, clause.GroupBy{
				Columns: []clause.Column{{Name: "gender"}},
				Having:  []clause.Expression{clause.Neq{"gender", "U"}},
			}},

		clauses := []clause.Interface{
			clause.Select{},
			clause.From{},
			clause.Where{Exprs: []clause.Expression{
				clause.Eq{Column: clause.PrimaryColumn, Value: "1"},
				clause.Gt{Column: "age", Value: 18},
				clause.Or(clause.Neq{Column: "name", Value: "jinzhu"}),
			}},
			clause.Where{Exprs: []clause.Expression{

	"fmt"
	"testing"

	"gorm.io/gorm/clause"
)

func TestUpdate(t *testing.T) {
	results := []struct {
		Clauses []clause.Interface
		Result  string
		Vars    []interface{}
	}{
		{
			[]clause.Interface{clause.Update{}},
			"UPDATE `users`", nil,
		},
		{
			[]clause.Interface{clause.Update{Modifier: "LOW_PRIORITY"}},
			"UPDATE LOW_PRIORITY `users`", nil,
		},
		{

					stmt.AddClause(clause.Where{Exprs: []clause.Expression{clause.IN{Column: column, Values: values}}})
				}
			}
		case reflect.Struct:
			for _, field := range stmt.Schema.PrimaryFields {
				if value, isZero := field.ValueOf(stmt.Context, stmt.ReflectValue); !isZero {
					stmt.AddClause(clause.Where{Exprs: []clause.Expression{clause.Eq{Column: field.DBName, Value: value}}})
				}
			}
		}

		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Limit{Limit: &limit0}},
			"SELECT * FROM `users` LIMIT ?",
			[]interface{}{limit0},
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Limit{Limit: &limit0}, clause.Limit{Offset: 0}},
			"SELECT * FROM `users` LIMIT ?",
			[]interface{}{limit0},
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Limit{Offset: 20}},

			}},
			"SELECT * FROM `users` WHERE `users`.`id` = ? OR `name` <> ?",
			[]interface{}{"1", "jinzhu"},
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Where{

//	}})
func (db *DB) Order(value interface{}) (tx *DB) {
	tx = db.getInstance()

	switch v := value.(type) {
	case clause.OrderBy:
		tx.Statement.AddClause(v)
	case clause.OrderByColumn:
		tx.Statement.AddClause(clause.OrderBy{
			Columns: []clause.OrderByColumn{v},
		})
	case string:
		if v != "" {
			tx.Statement.AddClause(clause.OrderBy{
				Columns: []clause.OrderByColumn{{