Re: [HACKERS] WAL consistency check facility

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От Amit Kapila
Тема Re: [HACKERS] WAL consistency check facility
Дата
Msg-id CAA4eK1KGz5t+VSM6RnFhWtx8MMf+2zhx6ZymY+nCo4JMGjGxWQ@mail.gmail.com
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Ответ на Re: [HACKERS] WAL consistency check facility  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: [HACKERS] WAL consistency check facility  (Robert Haas <robertmhaas@gmail.com>)
Список pgsql-hackers
On Tue, Jan 31, 2017 at 9:36 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>
> +            if (!HeapTupleHeaderXminFrozen(page_htup))
> +                page_htup->t_infomask |= HEAP_XACT_MASK;
> +            else
> +                page_htup->t_infomask |= HEAP_XMAX_COMMITTED |
> HEAP_XMAX_INVALID;
>
> Comment doesn't address this logic.  Also, the "else" case shouldn't
> exist at all, I think.
>

In the *if* check, it just checks frozen status of xmin, so I think
you need to mask xmax related bits in else check.  Can you explain
what makes you think that the else case shouldn't exist?


-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com



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