Hi Vincent, Thanks for trying to improve my proposal, I wasn't quite happy with it either. On 26-04-17 06:57, Vincent McIntyre wrote: > I don't think the release team want upgrades to depend on backports, > so I don't that's a viable option here. I had the problem with this suggestion as well, but I didn't understand the MySQL/MariaDB upgrade path better than that. > But let's go back a step - you're saying that > if: you have a jessie system with mysql-server-5.x > and you dist-upgrade, > without explicitly installing default-mysql-server > then: mysql-server-5.x gets uninstalled > and no mariadb-server-* package gets installed ? > > If correct, that's a big problem. I believe what you state here is true, as that is what I experienced on my upgrade. When I upgraded, there wasn't mentioning of this yet (or I didn't spot it) and it was exactly the reason why I went to look in the release notes to provide info. The info that I found was missing essential details or the right tone to trigger the system administrator into the right actions. > What the text is trying to tell people to do is to dist-upgrade, > then install default-mysql-server. That second action should > initiate the uninstall of mysql-server-5.x and then install > mariadb-server-10.1. Is that what you took from the text? > If not, can you think of a way to make it clearer? I believe the mysql-server-5.x is already removed during the dist-upgrade. At least that is what happened on my system. But maybe you mean 'apt upgrade' (without dist-). If that is what you mean (and I guess that should work), the text is by far not clear. So something like (fully untested): MariaDB is now the default MySQL variant in Debian, at version 10.1. The Stretch release introduces a new mechanism for switching the default variant, using metapackages created from the mysql-defaults source package. For example, installing the metapackage default-mysql-server will install mariadb-server-10.1. - Users who had + For upgrades from jessie, it is recommended to install + this metapackage after 'apt upgrade', but before 'apt dist-upgrade' + so that users who have mysql-server-5.5 or mysql-server-5.6 will have it removed and replaced by the MariaDB equivalent. + If no precaution is taken, mysql-server-5.x will be removed *without* + a replacement being installed. Similarly, installing default-mysql-client will install mariadb-client-10.1. Paul By the way, I think it should be 'meta-package' or 'meta package' instead of 'metapackage' in correct English, but I am no native speaker.
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