ExampleStruct:    ExampleStruct{"name", "value1"},
		ExampleStructPtr: &ExampleStruct{"name", "value2"},
	}

	var result ScannerValuerStruct
	tx := DB.Where(data).FirstOrCreate(&result)

	if tx.RowsAffected != 1 {
		t.Errorf("RowsAffected should be 1 after create some record")
	}

	if tx.Error != nil {
		t.Errorf("Should not raise any error, but got %v", tx.Error)
	}

	AssertObjEqual(t, result, data, "Name", "Gender", "Age")

	}

	DB.Create(&users)

	query := make([]string, 0)
	sess := DB.Session(&gorm.Session{Logger: Tracer{
		Logger: DB.Config.Logger,
		Test: func(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error) {
			sql, _ := fc()
			query = append(query, sql)
		},
	}})

	var result []User
	err := sess.
		Joins("Manager").
		Preload("Manager.Tools").

}

// Option gorm option interface
type Option interface {
	Apply(*Config) error
	AfterInitialize(*DB) error
}

// 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

		t.Fatalf("Failed, got error: %v, rows affected: %v", result.Error, result.RowsAffected)
	}

	tx2 := db.Begin()
	if result := tx2.Where("name=?", "zzjin").Delete(&User{}); result.Error != nil || result.RowsAffected != 0 {
		t.Fatalf("Failed, got error: %v, rows affected: %v", result.Error, result.RowsAffected)
	}
	tx2.Commit()
}

				if db.AddError(err) == nil {
					db.RowsAffected, _ = result.RowsAffected()

					if db.Statement.Result != nil {
						db.Statement.Result.Result = result
						db.Statement.Result.RowsAffected = db.RowsAffected
					}
				}

				return
			}

		} else if results.RowsAffected != 1 {
			t.Fatalf("rows affected expects: %v, got %v", 1, results.RowsAffected)
		} else if u1.ID == 0 {
			t.Fatalf("ID expects : not equal 0, got %v", u1.ID)
		}

		got := user{}
		results := DB.First(&got, "id = ?", u1.ID)
		if results.Error != nil {
			t.Fatalf("errors happened on first: %v", results.Error)
		} else if results.RowsAffected != 1 {

			BEGIN:
				initialized = false

				if update {
					if int(db.RowsAffected) >= reflectValue.Len() {
						return
					}
					elem = reflectValue.Index(int(db.RowsAffected))
					if onConflictDonothing {
						for _, field := range fields {
							if _, ok := field.ValueOf(db.Statement.Context, elem); !ok {
								db.RowsAffected++
								goto BEGIN
							}
						}
					}
				} else {

		if err != nil {
			db.AddError(err)
			return
		}

		db.RowsAffected, _ = result.RowsAffected()

		if db.Statement.Result != nil {
			db.Statement.Result.Result = result
			db.Statement.Result.RowsAffected = db.RowsAffected
		}
	}

				if db.Statement.Result != nil {
					db.Statement.Result.RowsAffected = db.RowsAffected
				}
			}

			return
		}

		result, err := db.Statement.ConnPool.ExecContext(
			db.Statement.Context, db.Statement.SQL.String(), db.Statement.Vars...,
		)
		if err != nil {
			db.AddError(err)
			return
		}

		db.RowsAffected, _ = result.RowsAffected()

		if db.Statement.Result != nil {

					if db.Statement.Result != nil {
						db.Statement.Result.RowsAffected = db.RowsAffected
					}
				}
			} else {
				result, err := db.Statement.ConnPool.ExecContext(db.Statement.Context, db.Statement.SQL.String(), db.Statement.Vars...)

				if db.AddError(err) == nil {
					db.RowsAffected, _ = result.RowsAffected()
				}

				if db.Statement.Result != nil {