# 52.63. pg_user_mapping

The catalog pg_user_mapping stores the mappings from local user to remote. Access to this catalog is restricted from normal users, use the view pg_user_mappings instead.

Table 52.64. pg_user_mapping Columns

Column Type

Description
oid oid

Row identifier
umuser oid (references pg_authid.oid)

OID of the local role being mapped, or zero if the user mapping is public
umserver oid (references pg_foreign_server.oid)

The OID of the foreign server that contains this mapping
umoptions text[]

User mapping specific options, as “keyword=value” strings