如何列出所有外国服务器？

Question

如何从psql命令行列出Postgres数据库中的所有外部服务器？服务器可以由创建服务器创建

Answer 1

您可以查询系统目录pg_foreign_server,例如:

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)

Answer 2

我只是向我们可以输入的专家学习

\des+