Content-Type Parser Usage Body Parser Custom Parser Options Catch-All Content-Type Parser Natively, Fastify only supports 'application/json' and 'text/plain' content ty...

Content-Type Parser Usage Body Parser Custom Parser Options Catch-All Content-Type Parser Natively, Fastify only supports 'application/json' and 'text/plain' content ty...

Multiword Types Multiword Types Support Multiword Types When creating tables, you can use data types with a name consisting of several words. This is implemented for better SQ...

The keyof type operator The keyof type operator The keyof operator takes an object type and produces a string or numeric literal union of its keys: type Point = { x ...

PG_TYPE PG_TYPE PG_TYPE系统表存储数据类型的相关信息。 表 1 PG_TYPE字段 名称 类型 描述 oid oid 行标识符（隐藏属性，必须明确选择）。 typname name 数据类型名称。 typnamespace oid 包含这个类型的名称空间...

Types and Type Declarations Providing types when importing Providing types when hosting Using the triple-slash reference directive Using X-TypeScript-Types header Important poi...

Types and Type Declarations Providing types when importing Providing types when hosting Using the triple-slash reference directive Using X-TypeScript-Types header Important poi...

Types and Type Declarations Providing types when importing Providing types when hosting Using the triple-slash reference directive Using X-TypeScript-Types header Important poi...

Type Checks and Casts: ‘is’ and ‘as’ is and !is Operators Smart Casts “Unsafe” cast operator “Safe” (nullable) cast operator Type erasure and generic type checks Unchecked c...

Restricting the parameterized type Restricting the parameterized type When implementing a generic type,you might want to limit the types of its parameters.You can do this using...