| From: | Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec>, Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-bugs(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Cursor with hold emits the same row more than once across commits in 8.3.7 |
| Date: | 2009-06-10 22:33:32 |
| Message-ID: | 4A3034BC.2030906@catalyst.net.nz |
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| Lists: | pgsql-bugs pgsql-hackers |
Tom Lane wrote:
> Given that RC freeze is nearly upon us for 8.4, and that we need a
> reasonably non-invasive fix for 8.3 anyway, I propose that for now
> we just deal with the syncscan issue by tweaking heap_rescan so that
> rs_startblock doesn't get changed. It looks like that's about a
> three-line patch. The question of how cursors should behave with
> respect to volatile functions can be documented and left for another
> time.
>
Sounds like a good approach.
Mark
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