pg_user_mappings
| PostgreSQL 9.6.24 Documentation | |||
|---|---|---|---|
| Prev | Up | Chapter 50. System Catalogs | Next |
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 50-83. 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 | 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, 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 USAGE privilege on it
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current user is the server owner and mapping is for PUBLIC
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current user is a superuser