51.94. 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 51.95. pg_user_mappings Columns
| Name | Type | References | Description |
|---|---|---|---|
umid | oid | | OID of the user mapping |
srvid | oid | | The OID of the foreign server that contains this mapping |
srvname | name | | Name of the foreign server |
umuser | 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 |
To protect password information stored as a user mapping option, the umoptions column will read as null unless one of the following applies:
current user is the user being mapped, and owns the server or holds
USAGEprivilege on itcurrent user is the server owner and mapping is for
PUBLICcurrent user is a superuser