| From: | Dennis Gearon <gearond(at)cvc(dot)net> |
|---|---|
| To: | Robert Creager <Robert_Creager(at)LogicalChaos(dot)org> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: How to prevent vacuum and reindex from deadlocking. |
| Date: | 2003-08-13 15:25:33 |
| Message-ID: | 3F3A586D.70505@cvc.net |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
In general, the documentation is not direct. When it is, it often is using database theory language, masters level database engineer language.
Robert Creager wrote:
> On Tue, 12 Aug 2003 08:13:59 -0700
> Dennis Gearon <gearond(at)cvc(dot)net> said something like:
>
>
>>Postgres itself doesn't support nested transactions.
>>
>
>
> Yea, I just convinced myself of that. The first time I read the docs, that's
> what I thought. Then I convinced myself when I re-read them that it was just a
> warning, and a new transaction was started. But I just tried it, and they're
> not...
>
> Thanks for point that out to me. I dare say that the BEGIN documentation is
> unclear to me, even knowing what I know now. Why not just explictly say "Nested
> transactions are not supported", rather than "... The current transaction is
> not affected". Alright, maybe I still read at Junior High level.
>
> Cheers,
> Rob
>
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