[debian-mysql] Bug#799296: mysql-client-5.6: upgrading from 5.5 to 5.6 with client running lost client command history

[The Wanderer]

Package: mysql-client-5.6
Version: 5.6.25-4
Severity: minor

Dear Maintainer,

I habitually have an instance of mysql-client running, connected to a
particular database, with the somewhat-complex commands which I
regularly use with that database present in the mysql command history.

When I have upgraded mysql-client in the past, all I have needed to do
is to exit the old client instance after the upgrade and re-launch with
the new client, and everything has been seamless. In particular, the
command history from the previous client has still been present.

When I upgraded to 5.6, exited the 5.5 client, and re-launched with the
5.6 client, I discovered that my command history was empty.
Newly-entered commands made it into the new history just fine, but all
of the old ones were gone, apparently beyond recovery.

I expected that instead, my command history would be retained, as has
happened on every previous upgrade in what is substantially the same
scenario.

In this particular case, I was able to recover the main important
commands from where they were displayed in the terminal from the recent
5.5 session, but it is pure good fortune that all of the main important
commands had been used recently enough to still be visible in the
terminal's backscroll. If any had not been, I would be stuck with
reconstructing them from scratch.


-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.1.0-2-amd64 (SMP w/12 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages mysql-client-5.6 depends on:
ii  debianutils            4.5.1
ii  libaio1                0.3.110-1
ii  libc6                  2.19-19
ii  libdbd-mysql-perl      4.028-2+b1
ii  libdbi-perl            1.633-1
ii  libgcc1                1:5.2.1-17
ii  libstdc++6             5.2.1-17
ii  libterm-readkey-perl   2.33-1
ii  libwrap0               7.6.q-25
ii  mysql-client-core-5.6  5.6.25-4
ii  mysql-common           5.6.25-4
ii  perl                   5.20.2-6
ii  zlib1g                 1:1.2.8.dfsg-2+b1

mysql-client-5.6 recommends no packages.

mysql-client-5.6 suggests no packages.

-- debconf-show failed

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