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Re: Query progress indication - an implementation

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Joshua Tolley <eggyknap(at)gmail(dot)com>
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 18:40:31
Message-ID: 17525.1246300831@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Joshua Tolley <eggyknap(at)gmail(dot)com> writes:
> On Mon, Jun 29, 2009 at 02:07:23PM -0400, Tom Lane wrote:
>> 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?

That's always the outermost node; what would it tell you?

			regards, tom lane

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