Horton

Re: array_cat anycompatible change is breaking xversion upgrade tests

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Justin Pryzby <pryzby@telsasoft.com>
Cc: Andrew Dunstan <andrew@dunslane.net>, pgsql-hackers@lists.postgresql.org, Bruce Momjian <bruce@momjian.us>
Date: 2021-05-20T23:35:10Z
Lists: pgsql-hackers 
Justin Pryzby <pryzby@telsasoft.com> writes:
> On Wed, Nov 04, 2020 at 07:43:51PM -0500, Tom Lane wrote:
>> As was discussed in the thread leading up to that commit, modifying the
>> signature of array_cat and friends could break user-defined operators
>> and aggregates based on those functions.  It seems to me that the
>> usability gain from this change is worth that cost, but it is causing
>> an issue for xversion tests.

> But I think this should be called out as an incompatible change in the release
> notes.

If it was not, yes it should be.

			regards, tom lane

Commits

  1. doc: add PG 14 relnote item about array function references

  2. Work around cross-version-upgrade issues created by commit 9e38c2bb5.