PG_EXTENSION_DATA_SOURCE

oid

oid

-

Row identifier (hidden attribute, which must be specified)

srcname

name

-

Name of an external data source

srcowner

oid

PG_AUTHID.oid

Owner of a foreign data source

srctype

text

-

Type of an external data source. It is NULL by default.

srcversion

text

-

Version of an external data source. It is NULL by default.

srcacl

aclitem[]

-

Access permissions.

srcoptions

text[]

-

Option used for foreign data sources, expressed in a string in the format of keyword=value