Query
Query is a frontend protocol message. Identifies the message as a simple query.
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
- Frontend → backend
- First wire field
- Byte1('Q')
- Field entries
- 3
- Documented flow contexts
- Simple Query; Multiple Statements in a Simple Query; Extended Query; COPY Operations
- direction
- F
- fields
- map[description:Identifies the message as a simple query. format:Byte1('Q')], map[description:Length of message contents in bytes, including self. format:Int32], map[description:The query string itself. format:String]
- manual path
- /docs/18/protocol-message-formats.html
- signature
- Query (F)
版本定义 PG 18
-
- Byte1('Q')
-
Identifies the message as a simple query.
- Int32
-
Length of message contents in bytes, including self.
- String
-
The query string itself.
Wire fields in documented order
| Position | Format | Meaning |
|---|---|---|
| 1 | Byte1('Q') | Identifies the message as a simple query. |
| 2 | Int32 | Length of message contents in bytes, including self. |
| 3 | String | The query string itself. |
比较版本
来源引用
定义来源
center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f