From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Magnus Hagander <magnus(at)hagander(dot)net>, Neil Conway <neilc(at)samurai(dot)com>, PGSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Padding on 64-bit |
Date: | 2007-05-30 20:26:13 |
Message-ID: | 200705302026.l4UKQDe01510@momjian.us |
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Lists: | pgsql-hackers |
Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > Magnus Hagander wrote:
> >> I think that's backwards. We *are* passing them by reference, we should
> >> be considering passing them by value.
>
> > Thanks, fixed.
>
> Also, the TODO item ought to mention float4 and float8, which IMHO ought
> to be changed at the same time. float4 could become pass-by-val-always.
> I think the main reason we've avoided that is to avoid breaking old code
> that is not using DatumGet/GetDatum macros, but we'll be breaking most
> such code anyway with this set of changes.
Update:
* Consider allowing 64-bit integers and floats to be passed by value on
64-bit platforms
Also change 32-bit floats (float4) to be passed by value at the same
time.
--
Bruce Momjian <bruce(at)momjian(dot)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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