Summary
The catalog pg_foreign_server stores foreign server definitions. A foreign server describes a source of external data, such as a remote server. Foreign servers are accessed via foreign-data wrappers.
(Description quoted from the official PostgreSQL documentation.)
Columns
The pg_foreign_server system catalog exposes the following columns (names, types and descriptions are taken verbatim from the PostgreSQL documentation):
oidoid
Row identifiersrvnamename
Name of the foreign serversrvowneroidreferencespg_authid.oid
Owner of the foreign serversrvfdwoidreferencespg_foreign_data_wrapper.oid
OID of the foreign-data wrapper of this foreign serversrvtypetext
Type of the server (optional)srvversiontext
Version of the server (optional)srvaclaclitem[]
Access privileges; see ddl_priv for detailssrvoptionstext[]
Foreign server specific options, as “keyword=value” strings
Related catalogs
This object references the following other system catalogs:
srvowner→pg_authidsrvfdw→pg_foreign_data_wrapper
Version applicability
Present in PostgreSQL 17, 18, 19 (verified against each release’s documentation). This is a long-standing system object that also exists in earlier PostgreSQL releases.
Related & references
Reference: PostgreSQL documentation — pg_foreign_server.