fn plan_update_privilege(
scx: &StatementContext<'_>,
privileges: PrivilegeSpecification,
target: GrantTargetSpecification<Aug>,
roles: Vec<ResolvedRoleName>,
) -> Result<UpdatePrivilegesPlan, PlanError>
fn plan_update_privilege(
scx: &StatementContext<'_>,
privileges: PrivilegeSpecification,
target: GrantTargetSpecification<Aug>,
roles: Vec<ResolvedRoleName>,
) -> Result<UpdatePrivilegesPlan, PlanError>