Re: ALTER TABLE lock strength reduction patch is unsafe

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От Tom Lane
Тема Re: ALTER TABLE lock strength reduction patch is unsafe
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Msg-id 24498.1308344905@sss.pgh.pa.us
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Ответ на Re: ALTER TABLE lock strength reduction patch is unsafe  (Alvaro Herrera <alvherre@commandprompt.com>)
Ответы Re: ALTER TABLE lock strength reduction patch is unsafe  (Alvaro Herrera <alvherre@commandprompt.com>)
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Alvaro Herrera <alvherre@commandprompt.com> writes:
> Hmm, would there be a problem if a scan on catalog A yields results from
> supposedly-running transaction X but another scan on catalog B yields
> result from transaction Y? (X != Y)  For example, a scan on pg_class
> says that there are N triggers but scanning pg_trigger says N-1?

Yeah, I came to that same conclusion downthread.
        regards, tom lane


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