Re: Re: new patch of MERGE (merge_204) & a question about duplicated ctid
Robert Haas <robertmhaas@gmail.com>
From: Robert Haas <robertmhaas@gmail.com>
To: Marko Tiikkaja <marko.tiikkaja@cs.helsinki.fi>
Cc: Greg Smith <greg@2ndquadrant.com>, Boxuan Zhai <bxzhai2010@gmail.com>, pgsql-hackers@postgresql.org
Date: 2010-12-30T04:17:09Z
Lists: pgsql-hackers
On Wed, Dec 29, 2010 at 9:45 PM, Marko Tiikkaja <marko.tiikkaja@cs.helsinki.fi> wrote: > I have no idea why it worked in the past, but the patch was never designed > to work for UPSERT. This has been discussed in the past and some people > thought that that's not a huge deal. I think it's expected to fail in some *concurrent* UPSERT cases. It should work if it's the only game in town. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company