Django 如何去除数据库主键,采用 ID 生成器提前计算 ID - V2EX
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devliu1

Django 如何去除数据库主键,采用 ID 生成器提前计算 ID

  •  
  •   devliu1 Nov 21, 2021 2923 views
    This topic created in 1625 days ago, the information mentioned may be changed or developed.
    8 replies    2021-11-26 08:12:40 +08:00
    xuanbg
        1
    xuanbg  
       Nov 21, 2021
    雪花算法啊,简单得很。自己加上时间回拨处理逻辑就差不离能用了。
    luckyc
        2
    luckyc  
       Nov 22, 2021
    多大数据量? uuid 不考虑了吗?
    非要上雪花 ID 了?

    django 行吗?
    zachlhb
        3
    zachlhb  
       Nov 22, 2021 via iPhone   1
    就算要自己生成 ID 也不建议去掉数据库默认的自增 ID ,自己增加一个字段不行吗?
    zachlhb
        4
    zachlhb  
       Nov 22, 2021 via iPhone
    @l4ever 可以啊,我项目里用的就是雪花 ID
    luckyc
        5
    luckyc  
       Nov 22, 2021
    @zachlhb 我的意思是 django 能适应大项目需求吗?
    zachlhb
        6
    zachlhb  
       Nov 22, 2021 via iPhone
    @l4ever 可以的,我们用的就是
    devliu1
        7
    devliu1  
    OP
       Nov 25, 2021
    @xuanbg
    @l4ever
    @zachlhb

    这几天加班去了,sorry 没有及时登录。

    各位大佬,我的疑问应该在于 Django model 里如何拿掉 primary_key = True ,或者先建表然后 Manage = False ?

    不去掉自带的 ID 性能不是很差吗?
    zachlhb
        8
    zachlhb  
       Nov 26, 2021 via iPhone
    @devliu1 自己的字段加索引啊,为什么会差,如果确实要去掉,自己定义一个 primary_key 字段,默认 ID 字段就没了
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