On Mon, Jul 11, 2016 at 12:06 AM, Tim Dawborn <tim.dawborn@gmail.com> wrote:
> tmp=# INSERT INTO foo (a, b, c, d) VALUES (1, 2, 'four', true)
> tmp-# ON CONFLICT (a, b) WHERE d = true
> tmp-# DO UPDATE SET c = 'four' WHERE foo.a = 1 AND foo.b = 2 AND foo.d =
> true;
> ERROR: there is no unique or exclusion constraint matching the ON CONFLICT
> specification
>
> If anyone knows what I'm doing wrong and how to get this to work, or knows
> that this is not possible to achieve, I'm all ears.
That should work. Are you sure you haven't spelled it "... WHERE d IS TRUE"?
--
Peter Geoghegan