Horton

Re: support for MERGE

Daniel Gustafsson <daniel@yesql.se>

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From: Daniel Gustafsson <daniel@yesql.se>
To: Ranier Vilela <ranier.vf@gmail.com>
Cc: Alvaro Herrera <alvherre@alvh.no-ip.org>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>, Justin Pryzby <pryzby@telsasoft.com>, Amit Langote <amitlangote09@gmail.com>, Japin Li <japinli@hotmail.com>, Zhihong Yu <zyu@yugabyte.com>, simon.riggs@enterprisedb.co, Tomas Vondra <tomas.vondra@enterprisedb.com>, Daniel Westermann <dwe@dbi-services.com>, Erik Rijkers <er@xs4all.nl>, Jaime Casanova <jcasanov@systemguards.com.ec>, Andres Freund <andres@anarazel.de>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2022-03-31T18:10:35Z
Lists: pgsql-hackers 
> On 31 Mar 2022, at 19:38, Ranier Vilela <ranier.vf@gmail.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		https://vmware.com/

Commits

  1. adjust_partition_colnos mustn't be called if not needed

  2. Add support for MERGE SQL command