| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | Kevin Grittner <kgrittn(at)ymail(dot)com>, Peter Geoghegan <pg(at)heroku(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Craig Ringer <craig(at)2ndquadrant(dot)com> |
| Subject: | Re: INSERT ... ON CONFLICT {UPDATE | IGNORE} |
| Date: | 2014-09-30 22:03:07 |
| Message-ID: | 20140930220307.GW2084@awork2.anarazel.de |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 2014-09-30 14:57:43 -0700, Josh Berkus wrote:
> Regardless, I don't think there's any theoretical way to support UPSERT
> without a unique constraint.
You can do stuff like blocking predicate locking. But without indexes to
support it that gets awfully complicated and unfunny. I don't think we
want to go there. So essentially I agree with that statement.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Kirk Roybal | 2014-09-30 22:06:57 | Re: CREATE IF NOT EXISTS INDEX |
| Previous Message | Peter Geoghegan | 2014-09-30 22:02:22 | Re: INSERT ... ON CONFLICT {UPDATE | IGNORE} |