Re: [sqlsmith] Failed to generate plan on lateral subqueries

From: David Fetter <david(at)fetter(dot)org>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: Andreas Seltenreich <seltenreich(at)gmx(dot)de>, Greg Stark <stark(at)mit(dot)edu>, Peter Geoghegan <pg(at)heroku(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Re: [sqlsmith] Failed to generate plan on lateral subqueries
Date: 2015-12-14 06:58:33
Message-ID: 20151214065833.GA22851@fetter.org
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On Mon, Dec 14, 2015 at 03:06:18PM +0900, Michael Paquier wrote:
> On Sun, Dec 13, 2015 at 10:14 AM, Andreas Seltenreich
> <seltenreich(at)gmx(dot)de> wrote:
> >> Did you publish the source already? I haven't been following all
> >> along, sorry if these are all answered questions.
> >
> > It's not had a proper release yet, but the code is available via
> > github in all its rapid-prototypesque glory:
> >
> > https://github.com/anse1/sqlsmith
>
> I am in awe regarding this stuff, which has caught many bugs
> already, it is a bit sad that it is released under the GPL license
> preventing a potential integration into PostgreSQL core to
> strengthen the test infrastructure,

I suspect that a polite request to the Andreas that he change to a
PostgreSQL-compatible license like one of (TPL, BSD2, MIT) might
handle this part.

> and it is even sadder to see a direct dependency with
> libpqxx :(

I suspect this part is a SMOP, but I'm not quite sure what S might
constitute in this case.

Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter
Skype: davidfetter XMPP: david(dot)fetter(at)gmail(dot)com

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