Re: MERGE Specification

Alvaro Herrera <alvherre@commandprompt.com>

From: Alvaro Herrera <alvherre@commandprompt.com>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: Petr Jelinek <pjmodos@pjmodos.net>, Tom Lane <tgl@sss.pgh.pa.us>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2008-04-25T13:10:57Z
Lists: pgsql-hackers
Simon Riggs wrote:

> I'm now happy that we can get a spec-compliant end result by always
> forcing NOT MATCHED rules to occur before MATCHED rules, when we have at
> least one unique index.

... and raise an ERROR when there is no unique index?

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support