[]interface{}{"1", 100},
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Where{
				Exprs: []clause.Expression{clause.Not(clause.Expr{SQL: "`score` <= ?", Vars: []interface{}{100}},
					clause.Expr{SQL: "`age` <= ?", Vars: []interface{}{60}})},
			}},
			"SELECT * FROM `users` WHERE NOT (`score` <= ? AND `age` <= ?)",
			[]interface{}{100, 60},
		},
		{

to this:

```go
for param := range fn.Signature().Params().Variables() {
   use(param)
}
```

The methods are:
[`Interface.EmbeddedTypes`](/pkg/go/types#Interface.EmbeddedTypes),
[`Interface.ExplicitMethods`](/pkg/go/types#Interface.ExplicitMethods),
[`Interface.Methods`](/pkg/go/types#Interface.Methods),
[`MethodSet.Methods`](/pkg/go/types#MethodSet.Methods),
[`Named.Methods`](/pkg/go/types#Named.Methods),

	results := []struct {
		Clauses []clause.Interface
		Result  string
		Vars    []interface{}
	}{
		{
			[]clause.Interface{
				clause.Insert{},
				clause.Values{
					Columns: []clause.Column{{Name: "name"}, {Name: "age"}},
					Values:  [][]interface{}{{"jinzhu", 18}, {"josh", 1}},
				},
			},
			"INSERT INTO `users` (`name`,`age`) VALUES (?,?),(?,?)",
			[]interface{}{"jinzhu", 18, "josh", 1},
		},
	}

pkg p1, type I interface, Set(string, int64)
pkg p1, type I interface, unexported methods
pkg p1, type MyInt int
pkg p1, type Namer interface { Name }
pkg p1, type Namer interface, Name() string
pkg p1, type Private interface, X()
pkg p1, type Private interface, unexported methods
pkg p1, type Private //deprecated
pkg p1, type Public interface { X, Y }
pkg p1, type Public interface, X()
pkg p1, type Public interface, Y()
pkg p1, type S struct

// Interface clause interface
type Interface interface {
	Name() string
	Build(Builder)
	MergeClause(*Clause)
}

// ClauseBuilder clause builder, allows to customize how to build clause
type ClauseBuilder func(Clause, Builder)

type Writer interface {
	WriteByte(byte) error
	WriteString(string) (int, error)
}

// Builder builder interface
type Builder interface {
	Writer
	WriteQuoted(field interface{})

				convertParams(reflect.Indirect(rv).Interface(), idx)
			} else if isNumeric(rv.Kind()) {
				if rv.CanInt() || rv.CanUint() {
					vars[idx] = fmt.Sprintf("%d", rv.Interface())
				} else {
					vars[idx] = fmt.Sprintf("%.6f", rv.Interface())
				}
			} else {
				for _, t := range convertibleTypes {
					if rv.Type().ConvertibleTo(t) {
						convertParams(rv.Convert(t).Interface(), idx)
						return
					}
				}

	results := []struct {
		Clauses []clause.Interface
		Result  string
		Vars    []interface{}
	}{
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.OrderBy{
				Columns: []clause.OrderByColumn{{Column: clause.PrimaryColumn, Desc: true}},
			}},
			"SELECT * FROM `users` ORDER BY `users`.`id` DESC", nil,
		},
		{
			[]clause.Interface{
				clause.Select{}, clause.From{}, clause.OrderBy{

	logger.LogIf(ctx, "rebalance", err, errKind...)
}

func rebalanceLogEvent(ctx context.Context, msg string, args ...interface{}) {
	logger.Event(ctx, "rebalance", msg, args...)
}

func adminLogIf(ctx context.Context, err error, errKind ...interface{}) {
	logger.LogIf(ctx, "admin", err, errKind...)
}

func authNLogIf(ctx context.Context, err error, errKind ...interface{}) {

	gorm.Dialector
}

type printSQLLogger struct {
	logger.Interface
}

func (l *printSQLLogger) Trace(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error) {
	sql, _ := fc()
	fmt.Println(sql + ";")
	l.Interface.Trace(ctx, begin, fc, err)
}

// GormDataTypeInterface gorm data type interface
type GormDataTypeInterface interface {
	GormDBDataType(*gorm.DB, *schema.Field) string
}

type Migrator interface {
	// AutoMigrate
	AutoMigrate(dst ...interface{}) error

	// Database
	CurrentDatabase() string
	FullDataTypeOf(*schema.Field) clause.Expr
	GetTypeAliases(databaseTypeName string) []string

	// Tables
	CreateTable(dst ...interface{}) error
	DropTable(dst ...interface{}) error
	HasTable(dst interface{}) bool
	RenameTable(oldName, newName interface{}) error