\getenv

Gets the value of the environment variable env_var and assigns it to the psql variable psql_var . If env_var is not defined in the psql process's environment, psql_var is not changed. Example:

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此版本暂无所选语言的定义，以下显示原始英文内容。

Client: psql 18.6
Case-sensitive spelling: \getenv
command: \getenv
manual path: app-psql.html#APP-PSQL-META-COMMAND-GETENV
modifiers: 未知
signature: \getenv psql_var env_var
spellings: \getenv

版本定义 PG 18

\getenv psql_var env_var

Gets the value of the environment variable env_var and assigns it to the psql variable psql_var. If env_var is not defined in the psql process's environment, psql_var is not changed. Example:

=> \getenv home HOME
=> \echo :home
/home/postgres

精确保留大小写的命令写法

\getenv

Spellings in this manual definition

Command	Documented suffix modifiers
\getenv	None listed in this signature

比较版本

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 18 · ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8