On Tue, Aug 15, 2017 at 7:43 AM, Peter Geoghegan <pg@bowt.ie> wrote:
On Mon, Aug 14, 2017 at 6:23 PM, Marko Tiikkaja <marko@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?
