PG_USER_MAPPINGS

PG_USER_MAPPINGS provides access to information about user mappings.

This is essentially a publicly readable view of PG_USER_MAPPING that leaves out the options column if the user has no rights to use it. Common users must be authorized to access this view.

**Table 1** PG_USER_MAPPINGS columns
Name	Type	Reference	Description
umid	oid	PG_USER_MAPPING.oid	OID of the user mapping
srvid	oid	PG_FOREIGN_SERVER.oid	OID of the foreign server that contains the mapping
srvname	name	PG_FOREIGN_SERVER.srvname	Name of the foreign server
umuser	oid	PG_AUTHID.oid	OID of the local role being mapped (0 if the user mapping is public)
usename	name	-	Name of the local user to be mapped
umoptions	text[ ]	-	User mapping specific options. If the current user is the owner of the foreign server, the value is keyword=value strings. Otherwise, the value is null.