| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Yugo NAGATA <nagata(at)sraoss(dot)co(dot)jp> |
| Cc: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, 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: | 2024-06-19 05:45:43 |
| Message-ID: | 54757.1718775943@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Yugo NAGATA <nagata(at)sraoss(dot)co(dot)jp> writes:
> On Tue, 18 Jun 2024 20:56:58 -0700
> "David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
>> But it is neither a keyword nor an identifier.
The lexer would be quite surprised by your claim that NULL isn't
a keyword. Per src/include/parser/kwlist.h, NULL is a keyword,
and a fully reserved one at that.
regards, tom lane
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