Re: JIT performance bug/regression & JIT EXPLAIN

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Maciek Sakrejda <m(dot)sakrejda(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: JIT performance bug/regression & JIT EXPLAIN
Date: 2020-01-27 19:02:26
Message-ID: CA+TgmobX1h+KfGNWZ+egausdZy2OcX7yZm_Bw5X+FSQTnwMwqg@mail.gmail.com
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On Mon, Jan 27, 2020 at 12:41 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> > I do not think that the readability-vs-usefulness tradeoff is going
> > to be all that good there, anyway. Certainly for testing purposes
> > it's going to be more useful to examine portions of a structured output.
>
> I think I can live with that, I don't think it's going to be a very
> commonly used option. It's basically useful for regression tests, JIT
> improvements, and people that want to see whether they can change their
> query / schema to make better use of JIT - the latter category won't be
> many, I think.

I intensely dislike having information that we can't show in the text
format, or really, that we can't show in every format.

I might be outvoted, but I stand by that position.

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

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