Re: AW: AW: Issue NOTICE for attempt to raise lock level?

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От Hannu Krosing
Тема Re: AW: AW: Issue NOTICE for attempt to raise lock level?
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Msg-id 3A083EAE.CA49C6B5@tm.ee
обсуждение исходный текст
Ответ на AW: AW: Issue NOTICE for attempt to raise lock level?  (Zeugswetter Andreas SB <ZeugswetterA@wien.spardat.at>)
Ответы Re: AW: AW: Issue NOTICE for attempt to raise lock level?
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Tom Lane wrote:
> I am not nearly as worried about long-running transactions that delay
> admin actions as I am about admin actions that crash other transactions.
> I do not believe it is safe to drop read locks intra-transaction, and
> I am unwilling to take a chance on it being safe so close to 7.1 beta.

Will we still have readers-dont-block-writers behaviour?
i.e. will the read lock lock only rows visible to current transaction ?
Or am i talking about something completely different ?

-------------
Hannu


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