原文地址 https://www.naiyerasif.com/post/2024/09/04/stop-using-serial-in-postgres/ 从PG10开始支持identity,用于替代serial。 part1、serial有权限问题 代码语言:txt AI代码解释 想象一下:数据库所有者victoria创建如下表: postgres=# create table events ( id serial primary key, created_at timestamptz...
✅ 最佳回答: 这可能是因为smallserial(如serial或bigserial)不是实际的数据类型。见: 如何将主键从整数转换为串行? 使用串行主键列安全地重命名表 在10或以后的PASGRESs中,考虑IDENTITY列。见: 自动递增表列 如果serial和bigserial高亮显示,但smallserial未高亮显示,则这是不一致的,应予以修复。本站已为你智...
postgres中的serial和identity的使用 timestamptz not null default current_timestamp);然后,他们将events表的所有权限授予另一个用户gizem。...只需授予生成id列的序列的使用权限即可:postgres=# grant usage on sequence events_id_seq to gizem;或者,切换到标识列。...更糟糕的是,您无法恢复id列返回到serial....
UUIDs vs Serial for Primary Keys - what's the right choice?16 March, 2023 In E59 of “5mins of Postgres” we’re talking about UUIDs vs Serials for primary keys. In our last episode, we talked about what happens if you use a regular four byte integer for your primary key and you...
Why to Stop Using SERIAL in Postgres— SERIAL is a commonly used convenience for generating an automatically incrementing ID column, but it has a variety of quirks and is Postgres specific. The alternative? Identity columns, which are both a part of the SQL:2003 standard and supported by Post...
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In our May 2008 issue of Postgres OnLine Journal, wecross compared Microsoft SQL Server 2005, MySQL 5, and PostgreSQL 8.3. Some people mentioned well since 8.4 has now come out, shouldn't we go back and update the reference. We deliberated and decided not to. To be ...
Postgres是一种开源的关系型数据库管理系统(DBMS),它支持用户定义的顺序序列。下面是对该名词的完善和全面的答案: 概念:用户定义的顺序序列(User-defined Sequence)是Postgres中一种用于生成唯一递增或递减整数值的对象。它可以被用作表中的列,用于自动生成唯一的标识符或主键值。 分类:用户定义的顺序序列属于数据库对...
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