| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Make relfile tombstone files conditional on WAL level |
| Date: | 2022-01-06 20:49:43 |
| Message-ID: | 20220106204943.yjvlofakbe5nm33k@alap3.anarazel.de |
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| Thread: | |
| Lists: | pgsql-hackers |
On 2022-01-06 08:52:01 -0500, Robert Haas wrote:
> On Thu, Jan 6, 2022 at 3:47 AM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> > Another problem is that relfilenodes are normally allocated with
> > GetNewOidWithIndex(), and initially match a relation's OID. We'd need
> > a new allocator, and they won't be able to match the OID in general
> > (while we have 32 bit OIDs at least).
>
> Personally I'm not sad about that. Values that are the same in simple
> cases but diverge in more complex cases are kind of a trap for the
> unwary.
+1
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