On Tue, May 19, 2015 at 10:49 AM, Andres Freund <and...@anarazel.de> wrote:
>> The RETURNING clause just allows us to return columns, but am unable to
>> find a way to know 'what' happened to a given row.
>
> There previously has been discussion about extending RETURNING to allow
> to return the before/after row. But to me that's a mostly independent
> feature to ON CONFLICT.

That's certainly something we talked about. It could probably be done
with some kind of magical expression. I have to wonder how many of the
people that are sure that they need this really do, though. Is it
really natural to care about this distinction with idiomatic usage?

-- 
Peter Geoghegan


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