Corey Huinker <corey.huinker@gmail.com> writes:
> I thought about basically reserving the \$[0-9]+ space as bind variables,
> but it is possible, though unlikely, that users have been naming their
> variables like that.
Don't we already reserve that syntax as Params? Not sure whether there
would be any conflicts versus Params, but these are definitely not legal
as SQL identifiers.
regards, tom lane