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?


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