| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Last infomask bit |
| Date: | 2007-01-09 22:35:18 |
| Message-ID: | 200701092235.l09MZIS24866@momjian.us |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > Patch applied. Thanks.
> > I added a comment about the unused bits in the header file.
>
> Has anyone bothered to measure the overhead added by having to mask to
> fetch or store the natts value? This is not a zero-cost improvement.
I assumed Heikki had tested it, but now see no mention of a test in the
posting:
http://archives.postgresql.org/pgsql-patches/2007-01/msg00052.php
Tom, how should this be tested? I assume some loop of the same query
over and over again.
--
Bruce Momjian bruce(at)momjian(dot)us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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