Re: Parser extensions (maybe for 10?)

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Arcadiy Ivanov <arcadiy(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Parser extensions (maybe for 10?)
Date: 2016-04-21 17:10:46
Message-ID: CA+Tgmobxk49ONdU4zaXJJo8ETkNPtw8vEbpKPkivLA7HqM8fXg@mail.gmail.com
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On Tue, Apr 19, 2016 at 10:05 AM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> On 2016-04-19 15:32:07 +0300, Aleksander Alekseev wrote:
>> > As Tom says, we can't easily break it down into multiple co-operating
>> > pieces, so lets forget that as unworkable.
>>
>> I'm sorry but didn't I just demonstrate the opposite?
>
> I doubt it.
>
>> If so it's very
>> easy to prove - give a counterexample. As I understand approach I
>> described handles cases named by Tom just fine. In fact the idea of
>> transforming ASTs (a.k.a metaprogramming) is successfully used by
>> programmers for about 50 years now.
>>
>> (As a side note - I'm not a native English speaker but I believe such
>> type of logic is known as "argument from authority".)
>
> And the above is called an ad-hominem.

An "ad hominem" attack means against the person rather than on the
topic of the issue, but I don't think Aleksander did that. I'm not
sure why you think what he wrote was out of line. It reads OK to me.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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