// FileWithLineNum return the file name and line number of the current file
func FileWithLineNum() string {
	// the second caller usually from gorm internal, so set i start from 2
	for i := 2; i < 15; i   {
		_, file, line, ok := runtime.Caller(i)
		if ok && (!strings.HasPrefix(file, gormSourceDir) || strings.HasSuffix(file, "_test.go")) && !strings.HasSuffix(file,".gen.go") {
			return file   ":"   strconv.FormatInt(int64(line), 10)
		}
	}

	return ""
}