Robert Haas <robertmh...@gmail.com> writes: > On Mon, Aug 19, 2013 at 1:41 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: >> BTW, I notice that the MVCC-catalog-scans patch summarily asserts that >> RenumberEnumType no longer poses any concurrency hazards. I doubt that's >> true: isn't it still possible that pg_enum rows acquired through the >> syscaches will have inconsistent enumsortorder values, if they were >> read at different times? If you want to examine enumsortorder, you really >> need to be comparing rows you know were read with the *same* snapshot.
> Good point, I missed that. Here's a proposed comment patch. Looks sane to me. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers