Alvaro Herrera <alvherre@commandprompt.com> writes:
> It would be nice to see the "visual explain" tool that Denis wrote --
> did he finish it? Is it available somewhere? Are there any screenshots?
Red Hat did one of these some years ago:
http://sources.redhat.com/rhdb/visualexplain.html
I don't see a prebuilt package on that page, but I believe the sources
are still available here:
http://sources.redhat.com/rhdb/cvs.html
regards, tom lane