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The view role_usage_grants is meant to identify USAGE privileges granted on various kinds of objects to a group that the current user is a member of. In PostgreSQL, this currently only applies to domains, and since domains do not have real privileges in PostgreSQL, this view is empty. Further information can be found under usage_privileges. In the future, this view may contain more useful information.
Table 31-22. role_usage_grants Columns
| Name | Data Type | Description |
|---|---|---|
| grantor | sql_identifier | In the future, the name of the user that granted the privilege |
| grantee | sql_identifier | In the future, the name of the group that the privilege was granted to |
| object_catalog | sql_identifier | Name of the database containing the object (always the current database) |
| object_schema | sql_identifier | Name of the schema containing the object |
| object_name | sql_identifier | Name of the object |
| object_type | character_data | In the future, the type of the object |
| privilege_type | character_data | Always USAGE |
| is_grantable | character_data | YES if the privilege is grantable, NO if not |