On Fri, May 8, 2015 at 11:06 AM, Andres Freund <and...@anarazel.de> wrote: > On 2015-05-08 20:37:15 +0300, Heikki Linnakangas wrote: >> Why does INSERT ON CONFLICT pay attention to indcheckxmin? Uniqueness check >> only cares about the most recent committed version of the tuple, and the >> index good for that use immediately. If there was a problem there, the >> uniqueness check in a normal insert have the same problem. > > Yea, that's a good angle to view this from. That'd not be the case, I > think, if we'd allow this to be used on system relations. But since > neither creating an index on system relations, nor using INSERT ON > CONFLICT on them is supported...
+1. I knew we should have done this before commit. -- Peter Geoghegan -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
