Re: POC: Cleaning up orphaned files using undo logs

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От Thomas Munro
Тема Re: POC: Cleaning up orphaned files using undo logs
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Msg-id CA+hUKGJ+Pg2gE9Hdt6fXHn6ezV7xJnS+rm-38ksXZGXYcZh3Gg@mail.gmail.com
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Ответ на Re: POC: Cleaning up orphaned files using undo logs  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: POC: Cleaning up orphaned files using undo logs  (Amit Kapila <amit.kapila16@gmail.com>)
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On Tue, Jul 16, 2019 at 8:39 AM Robert Haas <robertmhaas@gmail.com> wrote:
> Thomas has already objected to another proposal to add functions that
> turn 32-bit XIDs into 64-bit XIDs.  Therefore, I feel confident in
> predicting that he will likewise object to GetEpochForXid. I think
> this needs to be changed somehow, maybe by doing what the XXX comment
> you added suggests.

Perhaps we should figure out how to write GetOldestFullXmin() and friends.

For FinishPreparedTransaction(), the XXX comment sounds about right
(TwoPhaseFileHeader should hold an fxid).

-- 
Thomas Munro
https://enterprisedb.com



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