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From: Kyotaro Horiguchi <[email protected]>
To: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Subject: Re: Add pg_walinspect function with block info columns
Date: Tue, 07 Mar 2023 15:49:02 +0900 (JST)
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <ZAaGkCDEl8kC/[email protected]>
	<[email protected]>
	<[email protected]>

At Tue, 7 Mar 2023 14:44:49 +0900, Michael Paquier <[email protected]> wrote in 
> On Tue, Mar 07, 2023 at 11:17:45AM +0900, Kyotaro Horiguchi wrote:
> > Thus I'm inclined to agree with Michael's suggestion of creating a new
> > normalized set-returning function that returns information of
> > "blocks".
> 
> Just to be clear here, I am not suggesting to add a new function for
> only the block information, just a rename of the existing
> pg_get_wal_fpi_info() to something like pg_get_wal_block_info() that
> includes both the FPI (if any or NULL if none) and the block data (if
> any or NULL is none) so as all of them are governed by the same lookup
> at pg_wal/.  The fpi information (aka compression type) is displayed
> if there is a FPI in the block.

Ah. Yes, that expansion sounds sensible.

regards.

-- 
Kyotaro Horiguchi
NTT Open Source Software Center

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