Yugo NAGATA <nag...@sraoss.co.jp> writes: > On Tue, 18 Jun 2024 20:56:58 -0700 > "David G. Johnston" <david.g.johns...@gmail.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