NotificationResponse

NotificationResponse is a backend protocol message. Identifies the message as a notification response.

当前阅读 PG 18·选择有来源记录的版本

此版本暂无所选语言的定义，以下显示原始英文内容。

Direction: Backend → frontend
First wire field: Byte1('A')
Field entries: 5
Documented flow contexts: Asynchronous Operations
direction: B
manual path: /docs/18/protocol-message-formats.html
signature: NotificationResponse (B)

版本定义 PG 18

Byte1('A'): Identifies the message as a notification response.
Int32: Length of message contents in bytes, including self.
Int32: The process ID of the notifying backend process.
String: The name of the channel that the notify has been raised on.
String: The “payload” string passed from the notifying process.

Wire fields in documented order

Position	Format	Meaning
1	Byte1('A')	Identifies the message as a notification response.
2	Int32	Length of message contents in bytes, including self.
3	Int32	The process ID of the notifying backend process.
4	String	The name of the channel that the notify has been raised on.
5	String	The “ payload ” string passed from the notifying process.

比较版本

完整来源事实

fields

map[description:Identifies the message as a notification response. format:Byte1('A')], map[description:Length of message contents in bytes, including self. format:Int32], map[description:The process ID of the notifying backend process. format:Int32], map[description:The name of the channel that the notify has been raised on. format:String], map[description:The “ payload ” string passed from the notifying process. format:String]

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f