Re: Ordered Append Node

From: Markus Schiltknecht <markus(at)bluegap(dot)ch>
To: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
Cc: Florian Weimer <fweimer(at)bfk(dot)de>, Gregory Stark <stark(at)enterprisedb(dot)com>, PostgreSQL-development Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Ordered Append Node
Date: 2007-11-23 09:33:20
Message-ID: 47469E60.7040009@bluegap.ch
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Hi,

Heikki Linnakangas wrote:
> AFAICT it's roughly the same data structure as the zipper tree you
> envisioned, but not implemented with separate executor nodes for each
> level.

Aha, that sounds good to me. ;-)

As I've already mentioned, I think it's even better to simply show the
user a single append node, instead of lots of small nodes from a binary
tree merger.

Regards

Markus

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