Re: Padding on 64-bit

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От Bruce Momjian
Тема Re: Padding on 64-bit
Дата
Msg-id 200705302002.l4UK2lB06260@momjian.us
обсуждение исходный текст
Ответ на Re: Padding on 64-bit  (Magnus Hagander <magnus@hagander.net>)
Ответы Re: Padding on 64-bit  (Tom Lane <tgl@sss.pgh.pa.us>)
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Magnus Hagander wrote:
> I think that's backwards. We *are* passing them by reference, we should
> be considering passing them by value.

Thanks, fixed.

---------------------------------------------------------------------------


> 
> //Magnus
> 
> 
> Bruce Momjian wrote:
> > Added to TODO:
> > 
> > * Consider allowing 64-bit integers to be passed by reference on 64-bit
> >   platforms
> > 
> > 
> > ---------------------------------------------------------------------------
> > 
> > Neil Conway wrote:
> >> On Tue, 2007-29-05 at 16:01 -0400, Tom Lane wrote:
> >>> (I imagine someday we'll get around to allowing int8 to be pass-by-value
> >>> on 64-bit platforms.)
> >> This could really be a significant performance win: I'm planning to take
> >> a look at doing it for 8.4.
> >>
> >> -Neil
> >>
> >>
> >>
> >> ---------------------------(end of broadcast)---------------------------
> >> TIP 9: In versions below 8.0, the planner will ignore your desire to
> >>        choose an index scan if your joining column's datatypes do not
> >>        match
> > 

--  Bruce Momjian  <bruce@momjian.us>          http://momjian.us EnterpriseDB
http://www.enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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