Re: Parser extensions (maybe for 10?)

From: Andres Freund <andres(at)anarazel(dot)de>
To: Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru>
Cc: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Arcadiy Ivanov <arcadiy(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Parser extensions (maybe for 10?)
Date: 2016-04-19 14:07:09
Message-ID: 20160419140709.7m3euiexqnhmca2s@alap3.anarazel.de
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On 2016-04-19 12:20:03 +0300, Aleksander Alekseev wrote:
> Can we guarantee that extensions don't conflict? In fact we can since
> we already do it. If all tests pass there is no conflict.

How does that follow? Even if you were to test all possible extensions
together - obviously not possible - how do passing tests prove the
grammar to be conflict free?

Andres

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