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

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Ranier Vilela <ranier(dot)vf(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: [PATCH] Fix Uninitialized scalar variable (UNINIT) (src/backend/access/heap/heapam_handler.c)
Date: 2020-08-25 23:20:18
Message-ID: 20200825232018.GA31058@alvherre.pgsql
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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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