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The view usage_privileges is meant to identify USAGE privileges granted on various kinds of objects to a currently enabled role or by a currently enabled role. In PostgreSQL , this currently only applies to domains, and since domains do not have real privileges in PostgreSQL , this view shows implicit USAGE privileges granted to PUBLIC for all domains. In the future, this view may contain more useful information.
Table 32-41. usage_privileges Columns
| Name | Data Type | Description |
|---|---|---|
| grantor | sql_identifier | Currently set to the name of the owner of the object |
| grantee | sql_identifier | Currently always PUBLIC |
| 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 | Currently always DOMAIN |
| privilege_type | character_data | Always USAGE |
| is_grantable | character_data | Currently always NO |