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使用 @db.VarChar(n)

Optimize 提供建议,帮助你识别和解决由 PostgreSQL 中使用 @db.VarChar(n) 类型引起的性能问题。

¥Optimize provides recommendations to help you identify and resolve performance issues caused by the use of @db.VarChar(n) type in PostgreSQL.

Item 模型中的名称字段已使用原生类型 @db.VarChar(n)

¥The @db.VarChar(n) native type has been used within the Item model on the name field:

model Item {
// ...
name String @db.VarChar(1)
// ...
}

为什么这是一个问题

¥Why this is a problem

@db.VarChar(n) 类型将内容的最大长度限制为 n,如果应用管理不当,可能会导致生产环境中出现意外问题。在 PostgreSQL 中,varchar(n) 的性能与 text 相同,并且没有为 varchar(n) 提供额外的优化,因此在它们之间进行选择更多是基于惯例而非性能。

¥The @db.VarChar(n) type restricts content to a maximum length of n, which can cause unexpected issues in production if not properly managed by the application. In PostgreSQL, varchar(n) performs the same as text, and no additional optimizations are provided for varchar(n), making the choice between them more about convention than performance.