Re: support for MERGE

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Ranier Vilela <ranier(dot)vf(at)gmail(dot)com>
Cc: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, Japin Li <japinli(at)hotmail(dot)com>, Zhihong Yu <zyu(at)yugabyte(dot)com>, simon(dot)riggs(at)enterprisedb(dot)co, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Daniel Westermann <dwe(at)dbi-services(dot)com>, Erik Rijkers <er(at)xs4all(dot)nl>, Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec>, Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: support for MERGE
Date: 2022-03-31 18:10:35
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> On 31 Mar 2022, at 19:38, Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> wrote:

> I think that there is an oversight at 7103ebb
> There is no chance of Assert preventing this bug.

This seems reasonable from brief reading of the code, NULL is a legitimate
value for the map and that should yield an empty list AFAICT.

Daniel Gustafsson

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