NotificationResponse
NotificationResponse is a backend protocol message. Identifies the message as a notification response.
Reading PG 18·Select a recorded version
- 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)
Definition 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. |
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Complete source facts
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]Source references
Full definition and evidence JSON
Definition sources
center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f