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Note: The following description applies both to Postgres-XC and PostgreSQL if not described explicitly. You can read PostgreSQL as Postgres-XC except for version number, which is specific to each product.
The view role_usage_grants identifies USAGE privileges granted on various kinds of objects where the grantor or grantee is a currently enabled role. Further information can be found under usage_privileges. The only effective difference between this view and usage_privileges is that this view omits objects that have been made accessible to the current user by way of a grant to PUBLIC.
Table 33-36. role_usage_grants Columns
| Name | Data Type | Description |
|---|---|---|
| grantor | sql_identifier | The name of the role that granted the privilege |
| grantee | sql_identifier | The name of the role 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, if applicable, else an empty string |
| object_name | sql_identifier | Name of the object |
| object_type | character_data | COLLATION or DOMAIN or FOREIGN DATA WRAPPER or FOREIGN SERVER or SEQUENCE |
| privilege_type | character_data | Always USAGE |
| is_grantable | yes_or_no | YES if the privilege is grantable, NO if not |