| From: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Peter Geoghegan <pg(at)heroku(dot)com>, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Bruce Momjian <bruce(at)momjian(dot)us>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com> |
| Subject: | Re: INSERT ... ON CONFLICT syntax issues |
| Date: | 2015-05-06 21:27:29 |
| Message-ID: | 554A8741.4040802@iki.fi |
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| Lists: | pgsql-hackers |
On 05/07/2015 12:18 AM, Andres Freund wrote:
> On 2015-05-07 00:10:22 +0300, Heikki Linnakangas wrote:
>> Right, that's the idea. Indexes are just an implementation detail -
>
> I think that's a distinction just about no user out there cares about.
>
>> Unfortunately you can't create a "partial constraint" - you'll have to
>> create a partial index. I wish we would fix that directly, by allowing
>> partial unique constraints.
>
> It's not just partial ones, it's also expression ones, right?
True.
- Heikki
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