Re: Adding a TAP test checking data consistency on standby withminRecoveryPoint - Mailing list pgsql-hackers

From Michael Paquier
Subject Re: Adding a TAP test checking data consistency on standby withminRecoveryPoint
Date
Msg-id 20181109012729.GD2652@paquier.xyz
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In response to Re: Adding a TAP test checking data consistency on standby withminRecoveryPoint  (Michael Paquier <michael@paquier.xyz>)
Responses Re: Adding a TAP test checking data consistency on standby with minRecoveryPoint
List pgsql-hackers
On Thu, Nov 08, 2018 at 04:00:26PM +0900, Michael Paquier wrote:
> Yes, I don't disagree with you and I thought about it.  Fetching the
> value from the control file is easy, doing the comparison between two
> LSNs is also simple by doing it directly with pg_lsn in the database
> (and I don't want to add math logics about LSNs as a TAP API).  Now I am
> less sure about how portable it is possible to make the read of 8 bytes
> on the page header for the last page of a relation portable across many
> architectures in perl.

Has a perl monk a specific idea here?  It seems to me that the amount of
specific facility which would be needed overweights the current
simplicity of the test.
--
Michael

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