Re: [PATCH] Negative Transition Aggregate Functions (WIP) - Mailing list pgsql-hackers

From David Rowley
Subject Re: [PATCH] Negative Transition Aggregate Functions (WIP)
Date
Msg-id CAApHDvoNwji3_RJLjLTbz8__D95Qpv_vmNK-X6Htxg0C+ZVkcQ@mail.gmail.com
Whole thread Raw
In response to Re: [PATCH] Negative Transition Aggregate Functions (WIP)  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: [PATCH] Negative Transition Aggregate Functions (WIP)  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Thu, Mar 6, 2014 at 6:37 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
Dean Rasheed <dean.a.rasheed@gmail.com> writes:
> I think we really need a larger consensus on this though, so I'd be
> interested to hear what others think.

My advice is to lose the EXPLAIN output entirely.  If the authors of
the patch can't agree on what it means, what hope have everyday users
got of making sense of it?


Hi All,

I'd just like to thank Florian and Dean for all the hard work that has gone on while I've been away.
I've been reading the thread but I've not had much time to respond to messages and I've lost touch a bit with the progress of the code.

It looks like Florian has addressed everything that Dean pointed out in his detailed review, apart from the explain output.
I've thought about this and I think it would be a shame if the patch got delayed for something so trivial. I thought the stats were quite useful as for things like restarts on SUM(numeric) it could be quite difficult to tell how many restarts there were otherwise. Since I have no extra ideas about what might be more useful then I've just pulled it out of the patch and I propose that we continue without it until someone comes up with an idea that everyone can agree on. 

I've attached an updated invtrans_strictstrict_base patch which has the feature removed.


Regards

David Rowley


 
                        regards, tom lane

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