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 20200825231808.GA30348@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>)
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On 2020-Aug-25, Ranier Vilela wrote:

> 1. Even heap_get_root_tuples at line 1347, be called.
> Does it fill all roots_offsets?

Yes -- read the comments there.

> 2. hscan->rs_cbuf is constant?
> if (hscan->rs_cblock != root_blkno)

It is the buffer that contains the given block.  Those two things move
in unison.  See heapgettup and heapgettup_pagemode.

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

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