| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: getting rid of SnapshotNow |
| Date: | 2013-08-05 16:17:37 |
| Message-ID: | 20130805161737.GA11189@momjian.us |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-odbc |
On Mon, Aug 5, 2013 at 05:22:28PM +0200, Andres Freund wrote:
> On 2013-08-05 11:17:08 -0400, Bruce Momjian wrote:
> > One interesting aspect of this patch is that the backend code is no
> > longer even checking HEAP_MOVED_OFF and HEAP_MOVED_IN. However, we
> > can't reuse those bits because they could be set from pre-9.0 rows.
>
> The other tqual.c .satisfies routines still check it - and have to do
> so.
>
> It'd be nice to get rid of that, but this patch doesn't seem to get us
> nearer towards it :(
Oh, sorry, thanks for pointing that out --- somehow I missed it.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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