Re: Small improvements to pg_list.h's linitial(), lsecond(), lthird() etc macros

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Rowley <dgrowleyml(at)gmail(dot)com>
Cc: PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Small improvements to pg_list.h's linitial(), lsecond(), lthird() etc macros
Date: 2020-09-29 00:37:52
Message-ID: 571562.1601339872@sss.pgh.pa.us
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David Rowley <dgrowleyml(at)gmail(dot)com> writes:
> Yeah, I understand that part. The pain I was talking about was
> writing a patch for master, trying to apply it to the previous version
> only to find it does not apply. After fixing it up for that version
> trying to apply that patch to the version before that and getting more
> conflicts. Repeating that down to our earliest supported version is
> something I'd really love to never have to do again.

Tell me about it :-(. I've spent countless hours on that sort
of activity. So I really dislike changing an API and then changing
it again in the next release.

regards, tom lane

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