Welcome to ShenZhenJia Knowledge Sharing Community for programmer and developer-Open, Learning and Share
menu search
person
editAsk a Question
Welcome To Ask or Share your Answers For Others

Categories

mongodb 的 $addToSet 怎么添加排序？

in Technique[技术] by (71.8m points)

在使用 $addToSet 的同时，我希望数组元素按大小排序。
image.png


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
thumb_up_alt 0 like thumb_down_alt 0 dislike
3.5k views
Welcome To Ask or Share your Answers For Others

1 Answer

by (71.8m points)
  1. 先通过 addToSet 添加数组的长度字段
  2. 再通过长度字段排序

这个需要两步设置


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
thumb_up_alt 0 like thumb_down_alt 0 dislike
Welcome to ShenZhenJia Knowledge Sharing Community for programmer and developer-Open, Learning and Share

Just Browsing Browsing

548k questions

547k answers

4 comments

86.3k users

Most popular tags

Theme made by Momin Raza, Modified by Ostack
Powered by Question2Answer
...