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	id AA24169; Thu, 30 Jan 92 15:42:19 -0800
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From: mao@postgres.Berkeley.EDU (Mike Olson)
Subject: Re: some postgres questions
To: postgres@postgres.berkeley.edu
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In-Reply-To: Your message of Thu, 30 Jan 92 13:46:32 PST.
             <9201302146.AA22357@postgres.Berkeley.EDU> 
Date: Thu, 30 Jan 92 15:38:32 PST

In message <9201302146.AA22357@postgres.Berkeley.EDU> you write:

> > (3) I discovered a program "xexemon", but I did not understand its
> >     relation with postgres?
> 
> It was added to the source in 1990 and never modified.  I have a feeling
> it is a relic of a forgotten age in our system.  It was not intended for
> general use.

this was added by cimarron taylor as a debugging aid during some major
hacking on the executor.  it used to dynamically display executor state
during query processing, but is no longer used (and probably couldn't
be made to work without some four-star wizardry).  we keep it around as
an example of cim's programming style.

					mike olson
					postgres research group
					uc berkeley
					mao@cs.berkeley.edu