18th October 2018: PostgreSQL 11 Released!
Supported Versions: Current (11) / 10 / 9.6 / 9.5 / 9.4 / 9.3
Development Versions: devel
Unsupported versions: 9.2 / 9.1 / 9.0 / 8.4

45.62. pg_user_mappings

The view 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 field if the user has no rights to use it.

Table 45-63. pg_user_mappings Columns

Name Type References Description
umid oid pg_user_mapping.oid OID of the user mapping
srvid oid pg_foreign_server.oid The OID of the foreign server that contains this mapping
srvname text   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, as "keyword=value" strings, if the current user is the owner of the foreign server, else null