On 03/05/2013 11:07 AM, Norvald H. Ryeng wrote:
On Thu, 14 Feb 2013 16:17:00 +0100, Tom Lane <tgl@xxxxxxxxxx> wrote:
The way this worked in the past (and still does on RHEL and some other
distros) is that MySQL AB provided RPMs named "MySQL", "MySQL-server",
etc, which simply conflicted with the Red Hat-supplied packages named
"mysql", "mysql-server", etc. Perhaps it would be best to continue that
naming tradition, ie establish a new Oracle-maintained Fedora package
named "MySQL", instead of figuring out how to transition maintainership
of the "mysql" packages. This would give us some more wiggle room about
managing the transition --- in particular, it's hard to see how we
manage Obsoletes/Provides linkages in any sane fashion if the "mysql"
package name continues in use. I think we're going to have to end up
with a design in which "mysql" becomes essentially a virtual Provides
name.
We now have a set of working 5.6.10 packages. The packages pass mtr
tests and we've tested some of the packages that depend on MySQL (php,
perl-DBD-MySQL, etc.). It all seems to be working well, so I think we're
ready to get it into rawhide. I believe Bjørn Munch has already
contacted you about how to upload, etc.
I'm glad to hear that things get move on with MySQL-5.6 effort.
We've kept the existing package names. I don't understand the reasons
behind the name change you suggest. Honza Horák has added a real-mysql
virtual provides, and this is provided by the existing mysql and mariadb
packages, so it seems the infrastructure you suggest is already in
place. Our 5.6.10 packages are just an upgrade of the existing mysql
packages, so I see no need for a name change, and a change now would
break upgrades for users that already have the mysql packages installed.
We're still going to make mariadb the default in F19 as proposed in the
Feature page. Since depended packages are now built against
libmysqlclient.so from mariadb, we should really ensure mariadb package
will be installed (if not explicitly requested otherwise by users),
because MySQL lacks some client side features that mariadb adds -- so
keeping MySQL installed would introduce potential compatibility problems.
About the issues with the current way how the things are handling -- we
introduced real-mysql virtual provides to distinguish between mysql
package and mysql virtual name -- that doesn't work well in all aspects,
it is not very clean and it also brings ambiguities.
We decided to solve that as proposed above -- to introduce a new package
MySQL (dist-git already done) where original MySQL project will be kept
and eventually upgraded to 5.6 by contributors from Oracle.
Package mysql will be retired as of F19 and the name "mysql" will exist
only as a virtual provide for compatibility reasons. mariadb will
provide "mysql" names, while MySQL won't -- ideally both packages could
provide it but RPM cannot define a priority for preferring one of two
packages that provide the same symbol. Is that right, Jan or Ales? Or
anything changed in that field?
So, the current plan with a new MySQL package will result in much more
cleaner solution and should avoid ambiguities.
Regards,
Honza
Note: In case there are some reactions, I'd like to excuse myself that
I'll be off-line for a few days now and won't be able to respond until
Monday.
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