Re: BUG #9204: truncate_identifier may be called unnecessarily on escaped quoted identifiers

pythonesque@gmail.com writes:
> As in description.  This follows from how these are scanned in scan.l:

>     ident = litbuf_udeescape('\\', yyscanner);
> if (yyextra->literallen >= NAMEDATALEN)
> truncate_identifier(ident, yyextra->literallen, true);

Yeah, that's a bug --- yyextra->literallen is not the thing to use here.
It's just luck that truncate_identifier doesn't fail entirely, since
we're violating its API contract.  Will fix, thanks for reporting it.

            regards, tom lane