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Re: Query progress indication - an implementation

From: Joshua Tolley <eggyknap(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>,Scara Maccai <m_lists(at)yahoo(dot)it>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Query progress indication - an implementation
Date: 2009-06-29 18:33:59
Message-ID: 20090629183359.GD25336@eddie (view raw or flat)
Thread:
Lists: pgsql-hackers
On Mon, Jun 29, 2009 at 02:07:23PM -0400, Tom Lane wrote:
> Josh Berkus <josh(at)agliodbs(dot)com> writes:
> > So, while an actual % completed indicator would be perfect, a "query 
> > steps completed, current step =" would still be very useful and a large 
> > improvement over what we have now.
> 
> I think this is pretty much nonsense --- most queries run all their plan
> nodes concurrently to some extent.  You can't usefully say that a query
> is "on" some node, nor measure progress by whether some node is "done".

What about showing the outermost node where work has started?

--
Josh / eggyknap
End Point Corp.
www.endpoint.com

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