All reader are soon going to require a valid permit, so make sure we have a valid permit which we can pass to the underlying reader when creating it. This means `row_cache::make_reader()` now also requires a permit to be passed to it.
All reader are soon going to require a valid permit, so make sure we have a valid permit which we can pass to the underlying reader when creating it. This means `row_cache::make_reader()` now also requires a permit to be passed to it.