"David C. Rankin" <drankinatty@xxxxxxxxxxxxxxxxxx> on Thu, 2019/06/27 21:29:
> This is more a general question following the mariadb feature update to
> 10.4.6-1. Do the tables remain compatible with servers running earlier
> versions of mariadb?
You should not expect the binary format to be compatible.
> What happens if a backup from an earlier version has to be rolled into the
> new version?
That should work without problem. Just make sure to run mariadb-upgrade again.
> Or more importantly, can a backup from the new version be used to update
> servers running earlier versions of mariadb?
This should be handled with care. Most dumps should work - as long as you do
not use features not available in earlier versions.
You should *not* restore the mysql schema into an older server.
> (I have the same database running on Arch with backup handled by openSuSE,
> still running 10.0.35)
Hmm... Wondering what this means. You run mysqldump from an openSuSE system
or is the older mariadb server involved?
--
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