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From: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
To: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: WIP: Fast GiST index build
Date: Tue, 16 Aug 2011 20:43:37 +0300
Message-ID: <4E4AAC49.7070401@enterprisedb.com> (raw)
In-Reply-To: <CAPpHfdtMe6yizpbT+Lsx0mWSW9thPV9KosSrUsSEMNRBHUWUPw@mail.gmail.com>
References: <BANLkTikgOQ1+r=A9b08szNTeEWsk-cNMMg@mail.gmail.com>
	<4E31D03D.70206@enterprisedb.com>
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	<CAPpHfdtMe6yizpbT+Lsx0mWSW9thPV9KosSrUsSEMNRBHUWUPw@mail.gmail.com>

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.

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com



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