| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com> |
| Cc: | Álvaro Herrera <alvherre(at)kurilemu(dot)de>, 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>, Marcos Pegoraro <marcos(at)f10(dot)com(dot)br> |
| Subject: | Re: Document NULL |
| Date: | 2025-12-16 01:10:39 |
| Message-ID: | CAKFQuwaR9M-J5izNTWBFDgT_h9ti3tEdtEMSyhed+hKdWV9mnw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Dec 15, 2025 at 3:12 PM David G. Johnston <
david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
> I added pset display_true to the preamble since that feature has since
> been added.
>
I failed to notice the comment in the preceding paragraph about t/f being
manually added. It can be removed.
<para>
The following <literal>CREATE TABLE</literal> and
<literal>INSERT</literal>
SQL commands can be executed in any SQL client to create and populate
the persistent table used in the examples below. The
<literal>\pset</literal>
commands require the use of <application>psql</application> as the client
program;
they make the resulting output a bit easier to read and do not impact any
behaviors
described herein. The examples also omit any transactional command
output when
transactions are used. Instead, each transaction gets its own display
block.
</para>
David J.
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