Re: About "Our CLUSTER implementation is pessimal" patch

From: Leonardo F <m_lists(at)yahoo(dot)it>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: About "Our CLUSTER implementation is pessimal" patch
Date: 2010-01-22 17:56:55
Message-ID: 2601.38715.qm@web29001.mail.ird.yahoo.com
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> Note you should be looking at pg_am.amcanorder, not
> hardwiring knowledge of particular index types.

Ok.

Would it make sense to use

FormIndexDatum

to get the index value to be used by tuplesort?

I'm having trouble avoiding the call to _bt_mkscankey_nodata
to get the scanKeys... that relates to btree only, I can't find
the "general" function...

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