Re: Proposal: Make use of C99 designated initialisers for nulls/values arrays

From: Andres Freund <andres(at)anarazel(dot)de>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Stephen Frost <sfrost(at)snowman(dot)net>, Joe Nelson <joe(at)begriffs(dot)com>, Isaac Morland <isaac(dot)morland(at)gmail(dot)com>, Chapman Flack <chap(at)anastigmatix(dot)net>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Proposal: Make use of C99 designated initialisers for nulls/values arrays
Date: 2019-11-12 19:31:32
Message-ID: 20191112193132.qwxtipgnpkulwwrq@alap3.anarazel.de
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Hi,

On 2019-11-12 14:17:42 +0900, Michael Paquier wrote:
> On Tue, Oct 22, 2019 at 04:13:03PM +0530, Amit Kapila wrote:
> > Hmm, but then what is your suggestion for existing code that uses {0}.
> > If we reject this patch and leave the current code as it is, there is
> > always a risk of some people using {0} and others using memset which
> > will lead to further deviation in the code. Now, maybe if we change
> > the existing code to always use memset where we use {0}, then we can
> > kind of enforce such a rule for future patch authors.
>
> Well, we could have a shot at reducing the footprint of {0} then where
> we can. I am seeing less than a dozen in contrib/, and a bit more
> than thirty in src/backend/.

-many. I think this serves zero positive purpose, except to make it
harder to analyze code-flow.

I think it's not worth going around to convert code to use {0} style
initializers in most cases, but when authors write it, we shouldn't
remove it either.

Greetings,

Andres Freund

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