如何列出所有外部服务器？

Question

如何从psql命令行列出Postgres数据库中的所有外部服务器？ 服务器可以通过create server创建

Answer 1

我只是从专家学习，我们可以输入

\des+ 

Answer 2

您可以查询系统目录pg_foreign_server，如：

select 
    srvname as name, 
    srvowner::regrole as owner, 
    fdwname as wrapper, 
    srvoptions as options 
from pg_foreign_server 
join pg_foreign_data_wrapper w on w.oid = srvfdw; 

     name  | owner | wrapper |    options     
----------------+----------+--------------+---------------------------------------- 
csv_server  | postgres | file_fdw  | 
foreign_server | postgres | postgres_fdw | {host=localhost,port=5432,dbname=test} 
(2 rows)