| From: | Marcos Pegoraro <marcos(at)f10(dot)com(dot)br> |
|---|---|
| To: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
| Cc: | jian he <jian(dot)universality(at)gmail(dot)com>, Jeff Davis <pgsql(at)j-davis(dot)com>, Yugo NAGATA <nagata(at)sraoss(dot)co(dot)jp>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Eisentraut <peter(at)eisentraut(dot)org>, David Rowley <dgrowleyml(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Document NULL |
| Date: | 2025-06-18 18:24:25 |
| Message-ID: | CAB-JLwbrGFFo9J+1cDibayX8NuVe-5u0nwL1gnRy7Oz2J0EzWw@mail.gmail.com |
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| Lists: | pgsql-hackers |
>
> Em ter., 11 de mar. de 2025 às 12:52, David G. Johnston <
> david(dot)g(dot)johnston(at)gmail(dot)com> escreveu:
>
I'm mostly indifferent and it is very simple to change. It seemed
> desirable to have the main topic of this page display as something that
> isn't invisible though. And NULL was unappealing since it naturally
> appears in data. Since COPY uses \N I figured it was a decent choice.
> <null> or <NULL> came to mind too, but there were long compared to 1, 2,
> and 4 that appear along side it.
>
You decided to show \N for Nulls. I think that the user who has questions
about nulls is usually a newbie, so he also doesn't know the COPY format
for nulls. And even GUIs, which are often used for learning, display a word
for nulls, be it NULL, <null>, [null] or something similar.
regards
Marcos
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