Re: Review: Row-level Locks & SERIALIZABLE transactions, postgres vs. Oracle

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От Joseph Conway
Тема Re: Review: Row-level Locks & SERIALIZABLE transactions, postgres vs. Oracle
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Msg-id 4C4202D9.2030307@joeconway.com
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Ответ на Re: Review: Row-level Locks & SERIALIZABLE transactions, postgres vs. Oracle  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Ответы Re: Review: Row-level Locks & SERIALIZABLE transactions, postgres vs. Oracle  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
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On 7/17/10 12:09 PM, Kevin Grittner wrote:
> Joe Conway  wrote:
>  
>> Should I be installing Florian's patch in addition to yours when I
>> start testing?
>  
> There's some manual fix-up needed, primarily because we need to
> differentiate between SERIALIZABLE and REPEATABLE READ isolation
> levels, and therefore replaced the IsXactIsoLevelSerializable macro
> with IsXactIsoLevelXactSnapshotBased and
> IsXactIsoLevelFullySerializable.  If you can wait until tomorrow,
> I'll create a merged patch for you and confirm that it passes the
> modified Florian's pgbench test (with the FOR SHARED clause
> removed).  I'll include a crude hack to pgbench I had to use to test
> this, with an explanation of why it was needed.  I'm still trying to
> put together better testing techniques for the long term.
>  
>> Also, where can I get the latest and greatest version of your
>> patch?
>  
> There's always the git repository, but I'll post a new patch
> tomorrow, based on what I've recently found.

That all sounds great. I'll concentrate today on understanding the
theory and high level design.

Joe

--
Joe Conway
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