| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Greg Stark <gsstark(at)mit(dot)edu>, Andres Freund <andres(at)anarazel(dot)de> |
| Subject: | Re: machine-readable explain output |
| Date: | 2009-06-17 14:40:09 |
| Message-ID: | 200906171740.10071.peter_e@gmx.net |
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| Lists: | pgsql-hackers |
On Tuesday 16 June 2009 20:21:21 Tom Lane wrote:
> As a concrete example of what I'm thinking about, I'd hope that PgAdmin
> would be able to display a graphical summary of a plan tree, and then
> pop up measurements associated with one of the nodes when you
> right-click on that node. To do this, it doesn't necessarily have to
> know all about each specific measurement that a particular backend
> version might emit; but it needs to be able to tell which things are
> measurements.
To do this, you pack all "measurements" into a <measurement> element, and then
tools are just told to display those.
Really, this isn't much different (or at all different) from designing an
extensible tree data structure in any programming language.
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