usage_privileges

PostgreSQL 8.4.12 Documentation
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# 33.47. `usage_privileges`

The view `usage_privileges` identifies `USAGE` privileges granted on various kinds of objects to a currently enabled role or by a currently enabled role. In PostgreSQL, this currently applies to domains, foreign-data wrappers, and foreign servers. There is one row for each combination of object, grantor, and grantee.

Since domains do not have real privileges in PostgreSQL, this view shows implicit non-grantable `USAGE` privileges granted by the owner to `PUBLIC` for all domains. The other object types, however, show real privileges.

Table 33-45. `usage_privileges` Columns

Name | Data Type | Description
--- | --- | ---
`grantor` | `sql_identifier` | Name of the role that granted the privilege
`grantee` | `sql_identifier` | 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` | `DOMAIN` or `FOREIGN DATA WRAPPER` or `FOREIGN SERVER`
`privilege_type` | `character_data` | Always `USAGE`
`is_grantable` | `character_data` | `YES` if the privilege is grantable, `NO` if not

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