pg_user_mapping
The pg_user_mapping catalog table stores the mappings from local users to remote users. You must have administrator privileges to view this catalog.
| column | type | references | description |
|---|---|---|---|
| umuser | oid | pg_authid.oid | OID of the local role being mapped, 0 if the user mapping is public |
| umserver | oid | pg_foreign_server.oid | The OID of the foreign server that contains this mapping |
| umoptions | text [ ] | User mapping specific options, as "keyword=value" strings. |