Re: [HACKERS] INSERT .. ON CONFLICT DO SELECT [FOR ..]

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От Marko Tiikkaja
Тема Re: [HACKERS] INSERT .. ON CONFLICT DO SELECT [FOR ..]
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Msg-id CAL9smLAickh=rNLtw8mKkx9pi4PV1Th5VLpi3ozzbxnoG-t8Qw@mail.gmail.com
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Ответ на Re: [HACKERS] INSERT .. ON CONFLICT DO SELECT [FOR ..]  (Peter Geoghegan <pg@bowt.ie>)
Ответы Re: [HACKERS] INSERT .. ON CONFLICT DO SELECT [FOR ..]  (Peter Geoghegan <pg@bowt.ie>)
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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?


.m

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