user_mapping_options
   The view user_mapping_options contains all the
   options defined for user mappings in the current database.  Only
   those user mappings are shown where the current user has access to
   the corresponding foreign server (by way of being the owner or
   having some privilege).
  
Table 36.58. user_mapping_options Columns
| Name | Data Type | Description | 
|---|---|---|
| authorization_identifier | sql_identifier | Name of the user being mapped,
      or PUBLICif the mapping is public | 
| foreign_server_catalog | sql_identifier | Name of the database that the foreign server used by this mapping is defined in (always the current database) | 
| foreign_server_name | sql_identifier | Name of the foreign server used by this mapping | 
| option_name | sql_identifier | Name of an option | 
| option_value | character_data | Value of the option.  This column will show as null
      unless the current user is the user being mapped, or the mapping
      is for PUBLICand the current user is the
      server owner, or the current user is a superuser.  The intent is
      to protect password information stored as user mapping
      option. |