On 2020-05-05 18:05, Robert Haas wrote:
> This reminds me: I think that the issues in
> http://postgr.es/m/CA+TgmoYaFYRRdRZ94p_Qdt+1oONg6sMOvbkGHKVsFtONCrFkhw@mail.gmail.com
> should be considered here - we should guarantee that there's a
> snapshot registered continuously from before the call to
> SearchSysCache1 until after the call to CatalogTupleDelete. In the
> systable_beginscan case, we should be fine as long as the
> systable_endscan follows the CatalogTupleDelete call.
I considered this, but it seems independent of my patch. If there are
changes to be made, there are now fewer places to fix up.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
