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btvacuumpage useless "orig_blkno"

From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Subject: btvacuumpage useless "orig_blkno"
Date: 2011-11-21 22:03:59
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
I just noticed that btvacuumpage has two BlockNumber parameters -- blkno
and orig_blkno.  The only caller passes them as the same value; the
header comments state that blkno would be different when recursing, but
actually the function implements recursion internally by way of a cute
"goto" trick.  So it seems to me that the orig_blkno parameter is
useless -- we could just remove it.

Unless I'm completely missing something?

Álvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>

Attachment: btvacuumscan.patch
Description: application/octet-stream (2.5 KB)


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Subject: Re: btvacuumpage useless "orig_blkno"
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