On Thu, Jan 12, 2023 at 10:14 AM Tom Lane <t...@sss.pgh.pa.us> wrote:
> Isaac Morland <isaac.morl...@gmail.com> writes: > > What about backticks (`)? They are allowed as operator characters but do > > not otherwise appear in the lexical syntax as far as I can tell: > > https://www.postgresql.org/docs/current/sql-syntax-lexical.html > > Since they're already allowed as operator characters, you can't > use them for this purpose without breaking existing use-cases. > > IIUC, specifically the fact that an operator is defined to start with one of those symbols and end at the first non-symbol. We can't change the allowed set of non-symbols at this point, without defining something else to denote the start of an operator. David J.
