Function randomString

pkg/executionplan/types.go:294–302

randomString 生成随机字符串

(n int)

// randomString 生成随机字符串
func randomString(n int) string {
	const letters = "abcdefghijklmnopqrstuvwxyz0123456789"
	b := make([]byte, n)
	for i := range b {
		b[i] = letters[time.Now().UnixNano()%int64(len(letters))]
		time.Sleep(time.Nanosecond)
	}
	return string(b)
}