From: | David Fetter <david(at)fetter(dot)org> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Dave Page <dpage(at)pgadmin(dot)org>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: generic options for explain |
Date: | 2009-05-25 15:35:07 |
Message-ID: | 20090525153507.GD400@fetter.org |
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Lists: | pgsql-hackers |
On Mon, May 25, 2009 at 11:02:53AM -0400, Tom Lane wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> > This is all much more complicated than what I proposed, and I fail
> > to see what it buys us. I'd say that you're just reinforcing the
> > point I made upthread, which is that insisting that XML is the
> > only way to get more detailed information will just create a
> > cottage industry of beating that XML output format into
> > submission.
>
> The impression I have is that (to misquote Churchill) XML is the
> worst option available, except for all the others. We need
> something that can represent a fairly complex data structure, easily
> supports addition or removal of particular fields in the structure
> (including fields not foreseen in the original design), is not hard
> for programs to parse, and is widely supported --- ie, "not hard"
> includes "you don't have to write your own parser, in most
> languages". How many realistic alternatives are there?
JSON for one, and it's *much* lighter in just about every way.
Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
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