Re: benchmarking Flex practices

From: Chapman Flack <chap(at)anastigmatix(dot)net>
To: John Naylor <john(dot)naylor(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: benchmarking Flex practices
Date: 2019-07-24 12:14:40
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On 07/24/19 03:45, John Naylor wrote:
> On Sun, Jul 21, 2019 at 3:14 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> However, my second reaction was that maybe you were on to something
>> upthread when you speculated about postponing de-escaping of
>> Unicode literals into the grammar. If we did it like that then

Wow, yay. I hadn't been following this thread, but I had just recently
looked over my own earlier musings [1] and started thinking "no, it would
be outlandish to ask the lexer to return utf-8 always ... but what about
postponing the de-escaping of Unicode literals into the grammar?" and
had started to think about when I might have a chance to try making a

With the de-escaping postponed, I think we'd be able to move beyond the
current odd situation where Unicode escapes can't describe non-ascii
characters, in exactly and only the cases where you need them to.



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