\sf
这个命令获取并显示指定函数或过程的定义,以 CREATE OR REPLACE FUNCTION 或 CREATE OR REPLACE PROCEDURE 命令的形式呈现。定义将打印到当前查询输出通道,由 \o 设置。
当前查看 PostgreSQL 18.6。
说明
这个命令获取并显示指定函数或过程的定义,以 CREATE OR REPLACE FUNCTION 或 CREATE OR REPLACE PROCEDURE 命令的形式呈现。定义将打印到当前查询输出通道,由 \o 设置。
- 客户端
- psql 18.6
- 区分大小写的写法
- \sf
用法
\sf[+] function_description本版手册中的写法
| 命令 | 手册中的后缀修饰符 |
|---|---|
| \sf | + |
手册定义
\sf[+]function_description-
这个命令获取并显示指定函数或过程的定义,以
CREATE OR REPLACE FUNCTION或CREATE OR REPLACE PROCEDURE命令的形式呈现。定义将打印到当前查询输出通道,由\o设置。目标函数可仅用名称指定,也可用名称和参数指定,例如 foo(integer, text)。若有多个同名函数,则必须提供参数类型。
在命令名后添加 +,会为输出行编号,函数体第一行为第 1 行。
与大多数其他元命令不同,整个行的剩余部分始终被视为
\sf的参数,参数中不进行变量插值或反引号扩展。
相关条目
文档与源码
来源构建
- 版本
- 18.6
- 构建
- https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2
- 来源指纹
ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8
版本比较
PostgreSQL 10 → 11: 属性变化。
以下差异保留原始字段名与英文源描述。
--- PostgreSQL 10
+++ PostgreSQL 11
@@ -1,5 +1,5 @@
{
- "definition": "This command fetches and shows the definition of the named function, in the form of a CREATE OR REPLACE FUNCTION command. The definition is printed to the current query output channel, as set by \\o . The target function can be specified by name alone, or by name and arguments, for example foo(integer, text) . The argument types must be given if there is more than one function of the same name. If + is appended to the command name, then the output lines are numbered, with the first line of the function body being line 1. Unlike most other meta-commands, the entire remainder of the line is always taken to be the argument(s) of \\sf , and neither variable interpolation nor backquote expansion are performed in the arguments.",
+ "definition": "This command fetches and shows the definition of the named function or procedure, in the form of a CREATE OR REPLACE FUNCTION or CREATE OR REPLACE PROCEDURE command. The definition is printed to the current query output channel, as set by \\o . The target function can be specified by name alone, or by name and arguments, for example foo(integer, text) . The argument types must be given if there is more than one function of the same name. If + is appended to the command name, then the output lines are numbered, with the first line of the function body being line 1. Unlike most other meta-commands, the entire remainder of the line is always taken to be the argument(s) of \\sf , and neither variable interpolation nor backquote expansion are performed in the arguments.",
"modifiers": [
{
"command": "\\sf",
比较已记录的接口与属性,排除来源指纹和构建元数据。某个样本中没有记录,不能据此判断实际引入或移除的版本。
相关条目
导出 JSON · 返回psql 命令 · 收录范围为 PostgreSQL 10 至 20;最早采样版本不一定是实际引入版本。