Re: Double sorting split patch

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Double sorting split patch
Date: 2011-09-22 11:22:36
Message-ID: 4E7B1A7C.80103@enterprisedb.com
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> ! /*
> ! * Calculate delta between penalties of join "common entries" to
> ! * different groups.
> ! */
> ! for (i = 0; i < commonEntriesCount; i++)
> {
> ! double lower,
> ! upper;
> !
> ! box = DatumGetBoxP(entryvec->vector[commonEntries[i].index].key);
> ! if (context.dim == 0)
> ! {
> ! lower = box->low.x;
> ! upper = box->high.x;
> ! }
> ! else
> ! {
> ! lower = box->low.y;
> ! upper = box->high.y;
> ! }
> ! commonEntries[i].delta = Abs(box_penalty(leftBox, box) -
> ! box_penalty(rightBox, box));
> }

'lower' and 'upper' are not used for anything in the above. Is that just
dead code that can be removed, or is there something missing that should
be using them?

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

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