oid oid

Row identifier

fdwname name

Name of the foreign-data wrapper

fdwowner oid (references pg_authid.oid)

Owner of the foreign-data wrapper

fdwhandler oid (references pg_proc.oid)

References a handler function that is responsible for supplying execution routines for the foreign-data wrapper. Zero if no handler is provided

fdwvalidator oid (references pg_proc.oid)

References a validator function that is responsible for checking the validity of the options given to the foreign-data wrapper, as well as options for foreign servers and user mappings using the foreign-data wrapper. Zero if no validator is provided

fdwconnection oid (references pg_proc.oid)

References a connection function that is responsible for creating a connection string for a subscription when the subscription uses a server based on this foreign-data wrapper. Zero if this foreign-data wrapper does not support subscription connections.

fdwacl aclitem[]

Access privileges; see Section 5.9 for details

fdwoptions text[]

Foreign-data wrapper specific options, as “keyword=value” strings