Re: Adding a TAP test checking data consistency on standby with minRecoveryPoint

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