Andres Freund <and...@anarazel.de> writes: > On 2019-07-28 10:07:27 -0400, Tom Lane wrote: >> In the long run, might we ever switch to 64-bit OIDs? I dunno.
> Depends on the the table, I'd say. Having toast tables have 64bit ids, > and not advance the oid counter, would be quite the advantage over the > current situation. Toasting performance craters once the oid counter has > wrapped. But obviously there are upgrade problems there - presumably > we'd need 'narrow" and 'wide' toast tables, or such. Yeah, but I'd be inclined to fix toast tables as a special case, rather than widening OIDs in general. We could define the chunk number as being int8 not OID for the "wide" style. regards, tom lane