Re: AW: AW: BLERe: AW: AW: relation ### modified while in use - Mailing list pgsql-hackers

From Philip Warner
Subject Re: AW: AW: BLERe: AW: AW: relation ### modified while in use
Date
Msg-id 3.0.5.32.20001026010116.028b6660@mail.rhyme.com.au
Whole thread Raw
List pgsql-hackers
At 09:36 25/10/00 +0200, Zeugswetter Andreas SB wrote:
>
>> I have not followed the entire thread, but if you are in a serializable OR
>> repeatable-read transaction,
>
>Serializable and repeatable read are the same thing, different wording.

Not last time I looked. RR ensures that rows you have seen will still
return the same data, but allows a reexecuted cursor to return more rows.
Serializable means cursors always return expected data the second time they
are executed.


>> I would think that read-only statements will
>> need to keep some kind of lock on the rows they read (or the table).
>
>Yes, we were talking about the other isolation levels. Most,
>but not all of my mails in this thread state this difference.

The bit that worried me was that most emails only referred to serializable,
not RR (which they should have, I think).


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