On Tue, Aug 15, 2017 at 7:43 AM, Peter Geoghegan <p...@bowt.ie> wrote:
> On Mon, Aug 14, 2017 at 6:23 PM, Marko Tiikkaja <ma...@joh.to> wrote: > > Attached is a patch for $SUBJECT. It might still be a bit rough around > the > > edges and probably light on docs and testing, but I thought I'd post it > > anyway so I won't forget. > > Is it possible for ON CONFLICT DO SELECT to raise a cardinality > violation error? Why or why not? No. I don't see when that would need to happen. But I'm guessing you have a case in mind? .m