Re: [PATCH] Fix Uninitialized scalar variable (UNINIT) (src/backend/access/heap/heapam_handler.c)

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От Alvaro Herrera
Тема Re: [PATCH] Fix Uninitialized scalar variable (UNINIT) (src/backend/access/heap/heapam_handler.c)
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Msg-id 20200825232018.GA31058@alvherre.pgsql
обсуждение исходный текст
Ответ на Re: [PATCH] Fix Uninitialized scalar variable (UNINIT) (src/backend/access/heap/heapam_handler.c)  (Ranier Vilela <ranier.vf@gmail.com>)
Ответы Re: [PATCH] Fix Uninitialized scalar variable (UNINIT) (src/backend/access/heap/heapam_handler.c)  (Ranier Vilela <ranier.vf@gmail.com>)
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On 2020-Aug-25, Ranier Vilela wrote:

> And it is guaranteed that, rs_cblock is not InvalidBlockNumber when the
> page is read?

It could be InvalidBlockNumber if sufficient neutrinos hit the memory
bank and happen to set all the bits in the block number.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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