[debian-mysql] MySQL server and client virtual packages

[James Page]

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On 01/08/14 15:06, Gunnar Wolf wrote:
>> This will enable the alternative MariaDB and Percona packages to
>>> satisfy the dependency. MySQL 5.5, MariaDB 5.5 and PXC 5.5 are
>>> all binary-compatible and most likely to work with any program
>>> that currently uses MySQL in Debian. If you prefer some of the
>>> non-Oracle versions of MySQL, you can even default to one of
>>> them using syntax like for example 'Depends: mariadb-server |
>>> virtual-mysql-server'.
> Hi James,
> 
> My question in this regard is how long do we expect them to be 
> binary-compatible. Being PXC and MariaDB forks, they will likely
> drift away from MySQL (and from each other). Binary compatibility
> might break, and also SQL compatibility might break as each
> introduces new features or behaviours. Don't you think this can put
> us in a situation where packages will become insta-buggy?

That's a really good question and one we have asked upstream's about.
 The general feedback was that all variants will remain compatible
with the MySQL client protocol at least, even if they start varying on
the backend in terms for underlying disk formats - Robie Basak is
driving a plan to deal with this future scenario at the moment.

- -- 
James Page
Ubuntu and Debian Developer
james.page at ubuntu.com
jamespage at debian.org
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