From: Pavan Deolasee <pavan.deolasee@gmail.com>
To: Zdenek Kotala <Zdenek.Kotala@sun.com>
Cc: PostgreSQL-patches <pgsql-patches@postgresql.org>
Subject: Re: page macros cleanup
Date: Fri, 4 Jul 2008 14:20:12 +0530
Message-ID: <2e78013d0807040150w393ad72codaf06a6ac12a83ce@mail.gmail.com> (raw)
In-Reply-To: <486DD1D1.50604@sun.com>
References: <48529B83.9010907@sun.com>
<2e78013d0807030450m4cab60d0jd99d1acce59fae56@mail.gmail.com>
<486DD1D1.50604@sun.com>
On Fri, Jul 4, 2008 at 1:01 PM, Zdenek Kotala <Zdenek.Kotala@sun.com> wrote:
>
>
> Good catch. I lost in basic arithmetic. What I see now that original
> definition count sizeof(ItemIdData) twice and on other side it does not take
> care about MAXALING correctly. I think correct formula is:
>
> #define HashMaxItemSize(page) \
> (PageGetPageSize(page) - \
> ( MAXALIGN(SizeOfPageHeaderData + sizeof(ItemIdData))+ \
> MAXALIGN(sizeof(HashPageOpaqueData)) \
> )\
> )
>
> What do you think?
>
Yes. I think that's the correct way.
Thanks,
Pavan
--
Pavan Deolasee
EnterpriseDB http://www.enterprisedb.com
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To: pgsql-patches@postgresql.org
Cc: pavan.deolasee@gmail.com, Zdenek.Kotala@sun.com
Subject: Re: page macros cleanup
In-Reply-To: <2e78013d0807040150w393ad72codaf06a6ac12a83ce@mail.gmail.com>
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