Re: Query progress indication - an implementation - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Query progress indication - an implementation
Date
Msg-id 16876.1246298843@sss.pgh.pa.us
Whole thread Raw
In response to Re: Query progress indication - an implementation  (Josh Berkus <josh@agliodbs.com>)
Responses Re: Query progress indication - an implementation  (Joshua Tolley <eggyknap@gmail.com>)
Re: Query progress indication - an implementation  (Peter Hunsberger <peter.hunsberger@gmail.com>)
Re: Query progress indication - an implementation  (Simon Riggs <simon@2ndQuadrant.com>)
List pgsql-hackers
Josh Berkus <josh@agliodbs.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".
        regards, tom lane


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