On Tue, Aug 16, 2011 at 9:43 PM, Heikki Linnakangas <
heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:
> Why is there ever a buffer on the root node? It seems like a waste of time
> to load N tuples from the heap into the root buffer, only to empty the
> buffer after it fills up. You might as well pull tuples directly from the
> heap.
>
Yes, seems reasonable. Buffer on the root node was in the paper. But now I
don't see the need of it too.
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With best regards,
Alexander Korotkov.