func (l *NilLogger) Print(v ...interface{}) {
}
Print nil logger do nothing
package db
import (
	"fmt"
	"log"
	"math/rand"
	"github.com/PolarPanda611/trinitygo/util"
	"github.com/jinzhu/gorm"
	_ "github.com/lib/pq"  
	uuid "github.com/satori/go.uuid"
)
type NilLogger struct{}