Re: Enhanced rmgr desc routines test !has_image, not has_data

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От Michael Paquier
Тема Re: Enhanced rmgr desc routines test !has_image, not has_data
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Msg-id ZD+F1HYljodRr6eb@paquier.xyz
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Ответ на Enhanced rmgr desc routines test !has_image, not has_data  (Peter Geoghegan <pg@bowt.ie>)
Ответы Re: Enhanced rmgr desc routines test !has_image, not has_data  (Peter Geoghegan <pg@bowt.ie>)
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On Tue, Apr 18, 2023 at 02:36:40PM -0700, Peter Geoghegan wrote:
> This isn't just a theoretical issue. Currently, we won't display
> detailed descriptions of block data whenever wal_consistency_checking
> happens to be in use. At least for those records with relevant block
> data available to summarize that also happen to have an FPI that the
> REDO routine isn't supposed to apply (i.e. an FPI that is included in
> the record purely so that verifyBackupPageConsistency can verify that
> the REDO routine produces a matching image).

Yeah, I agree that your suggestion is more useful for debugging when a
record includes both a block image and some data associated to it.
So, +1.
--
Michael

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