Re: Todo item: Support amgettuple() in GIN

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От Andreas Karlsson
Тема Re: Todo item: Support amgettuple() in GIN
Дата
Msg-id 5298D245.6060004@proxel.se
обсуждение исходный текст
Ответ на Re: Todo item: Support amgettuple() in GIN  (Tom Lane <tgl@sss.pgh.pa.us>)
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On 11/29/2013 06:13 PM, Tom Lane wrote:
> Note that Robert's proposed solution is no solution, because it just
> puts you right back in the bind of needing guaranteed non-lossy
> storage of a TID set that might be too big to fit in memory.

The solution should work if we could guarantee that a TIDBitmap based on 
the fast update pending list always will fit in the memory. That does 
not sound like a good assumption to me.

-- 
Andreas Karlsson

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