Re: Proposal: "Causal reads" mode for load balancing reads without stale data

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От Michael Paquier
Тема Re: Proposal: "Causal reads" mode for load balancing reads without stale data
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Msg-id CAB7nPqTOgBmetwO5Gt=KFrwYpw7=ri39AO0oXS_p9PJrfye8Sw@mail.gmail.com
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Ответ на Re: Proposal: "Causal reads" mode for load balancing reads without stale data  (Thomas Munro <thomas.munro@enterprisedb.com>)
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On Mon, Feb 29, 2016 at 6:05 PM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:
> "All changes made by the transaction become visible to others ..." --
> which others?  But I backed out, that succinct account of COMMIT is 20
> years old, and in any case visibility is tied to committing, not
> specifically to the COMMIT command.  But perhaps this patch really
> should include something there that refers back to the causal reads
> section.

Luckily enough, read uncommitted behaves like read-committed in PG,
making this true :)
-- 
Michael



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