PostgreSQL 8.2.23 Documentation
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# 32.43. `usage_privileges`

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`

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