如何在Postgres中将clientid更改为身份列而不丢失数据?
Introduction If you're looking to change your clientid column from a serial ID to a generated identity column in PostgreSQL, you're in the right place! In this guide, we will go through the steps...
本文介绍了如何在PostgreSQL中将clientid列从序列ID更改为身份列,步骤包括备份数据、删除主键约束、修改列类型、重新添加主键约束及验证更改。身份列可自动生成唯一值,提升性能和可维护性。建议在生产环境前先在测试环境中验证更改。
