The view role_udt_grants is intended to identify USAGE privileges granted on user-defined types where the grantor or grantee is a currently enabled role. Further information can be found under udt_privileges. The only effective difference between this view and udt_privileges is that this view omits objects that have been made accessible to the current user by way of a grant to PUBLIC. Since data types do not have real privileges in PostgreSQL, but only an implicit grant to PUBLIC, this view is empty.
Table 34-35. role_udt_grants Columns
|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|
|udt_catalog||sql_identifier||Name of the database containing the type (always the current database)|
|udt_schema||sql_identifier||Name of the schema containing the type|
|udt_name||sql_identifier||Name of the type|
|privilege_type||character_data||Always TYPE USAGE|
|is_grantable||yes_or_no||YES if the privilege is grantable, NO if not|
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