Re: outer joins and for update

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От Tom Lane
Тема Re: outer joins and for update
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Msg-id 11392.1131982369@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: outer joins and for update  (Gavin Sherry <swm@linuxworld.com.au>)
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Gavin Sherry <swm@linuxworld.com.au> writes:
> On Mon, 14 Nov 2005, Tom Lane wrote:
>> The point of the comment really is that this is a predicate locking
>> problem.

> I thought you might say that. I'm yet to do much reading on predicate
> locking -- do you think it is an area we will even pursue?

Don't hold your breath ;-) ... AFAICS it's a hard problem and would have
horrid repercussions for performance.
        regards, tom lane


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