On Sun, Oct 28, 2018 at 12:26 AM Andres Freund <and...@anarazel.de> wrote: > > Hi, > > On 2018-10-28 00:21:23 +0530, Amit Kapila wrote: > > On Sun, Sep 30, 2018 at 9:18 AM Andres Freund <and...@anarazel.de> wrote: > > > I think we should drop WITH OIDs support. pg_dump should convert WITH > > > OIDs tables into tables that have an explicit oid column (with an > > > appropriate default function), pg_upgrade should refuse to upgrade them. > > > > > > > Is there any technical reason why you think pg_upgrade should refuse > > to upgrade them? I think there is an argument to break backward > > compatibility here and many people on the thread seem to be okay with > > that, but refusing to upgrade sounds more restrictive. > > They'd not be on-disk compatible, because the column isn't stored as a > normal column but in the t_hoff space. >
Yeah, and which means we need to re-write all such tables which is not an attractive option and probably quite some work. So, users have to dump and restore their databases which can be time-consuming for large databases, but I think we don't have any better option to offer. -- With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com