futureじゃないgrantsでは、schemaはgrants on schemaで、roleはgrants to role SHOW GRANTS [ LIMIT <rows> ] SHOW GRANTS ON ACCOUNT [ LIMIT <rows> ] SHOW GRANTS ON <object_type> <object_name> [ LIMIT <rows> ] SHOW GRANTS TO { APPLICATION <app_name> | APPLICATION ROLE [ <app_name>. ]<app_role_name> | ROLE </app_role_name></app_name></app_name></rows></object_name></object_type></rows></rows>