[debian-mysql] Bug#852267: upgrading mariadb-server-10.0 to mariadb-server-10.1 removed it instead of upgrading

[Jean-Marc]

Package: mariadb-server-10.1
Version: 10.1.20-3
Severity: normal

Dear maintainers,

On 21/01, a dist-upgrade replaced mariadb 10.0 with 10.1.

It removed mariadb-server-10.0:amd64 (10.0.28-2), mariadb-client-10.0:amd64 (10.0.28-2), mariadb-client-core-10.0:amd64 (10.0.28-2) but just installed mariadb-client-10.1:amd64 (10.1.20-3, automatic), mariadb-client-core-10.1:amd64 (10.1.20-3, automatic).

So, no server anymore breaking my dolibarr instance.

Manually installing mariadb-server-10.1 worked like a charm and solved the dolibarr issue, also replacing mariadb-server-core-10.0 (still installed after the mariadb-server-10.0 removal) with mariadb-client-core-10.1.

Another strange behavior: this dist-upgrade upgraded the default-mysql-client from 1.0.1 but removed the 
default-mysql-server instead of upgrading it.
=+=+=+=+=
$ env LANG=C apt policy default-mysql-client default-mysql-server
default-mysql-client:
  Installed: 1.0.2
  Candidate: 1.0.2
  Version table:
 *** 1.0.2 500
        500 http://ftp.be.debian.org/debian testing/main amd64 Packages
        100 http://ftp.be.debian.org/debian unstable/main amd64 Packages
        100 /var/lib/dpkg/status
default-mysql-server:
  Installed: (none)
  Candidate: 1.0.2
  Version table:
     1.0.2 500
        500 http://ftp.be.debian.org/debian testing/main amd64 Packages
        100 http://ftp.be.debian.org/debian unstable/main amd64 Packages



I hope it will help for future upgrade.

Regards,

Jean-Marc <jean-marc at 6jf.be>

P.S. sorry for this incompleted bug report; reportbug does not work anymore on my system (see bug #848729).

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing'), (100, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.8.0-2-amd64 (SMP w/8 CPU cores)
Locale: LANG=fr_BE.utf8, LC_CTYPE=fr_BE.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
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