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The PostgreSQL 9.0 Reference Manual - Volume 2 - Programming Guide
by The PostgreSQL Global Development Group
Paperback (6"x9"), 478 pages
ISBN 9781906966065
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4.48 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.

4-46: 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 yes_or_no YES if the privilege is grantable, NO if not
ISBN 9781906966065The PostgreSQL 9.0 Reference Manual - Volume 2 - Programming GuideSee the print edition