Re: About "Our CLUSTER implementation is pessimal" patch

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Leonardo F <m_lists(at)yahoo(dot)it>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: About "Our CLUSTER implementation is pessimal" patch
Date: 2010-01-22 18:09:28
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Leonardo F <m_lists(at)yahoo(dot)it> writes:
> Would it make sense to use
> FormIndexDatum
> to get the index value to be used by tuplesort?

That would probably work. You might want to look at the code associated
with the recently-added exclusion constraint feature; that also has a
need to reproduce index entries sometimes.

regards, tom lane

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