[Bug 1443352] [NEW] Incorrect keybinding/key processing (also unable to enter unicode characters) in mysql-client-5.6 (with EditLine wrapper)

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Robie Basak (racb):

After upgrading Ubuntu to 15.04 beta, I have noticed weird behavior of
mysql-client-5.6:

While attempting to go to the start or end of line (using Home and End
keys on my laptop), the desired behavior does not work as expected.
Instead of going to start and/or end of line, a "~" character is
produced.

While attempting to enter Unicode characters (e.g. ěščřžýáíé), these
characters do not appear (the input does exactly nothing) - not even an
invalid character is entered).

Everything works fine on bash shell input, in mc, etc. It also worked fine till the upgrade of mysql-client package.
The EditLine wrapper is a suspect here. The issue looks very similar to this one: https://bugs.launchpad.net/percona-server/+bug/631667

Package versions:
# mysql --version
mysql  Ver 14.14 Distrib 5.6.23, for debian-linux-gnu (x86_64) using  EditLine wrapper
# mysqld --version
mysqld  Ver 5.6.23-1~exp1~ubuntu5 for debian-linux-gnu on x86_64 ((Ubuntu))

Thanks for checking.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: mysql-client-5.6 5.6.23-1~exp1~ubuntu5
ProcVersionSignature: Ubuntu 3.19.0-13.13-generic 3.19.3
Uname: Linux 3.19.0-13-generic x86_64
ApportVersion: 2.17-0ubuntu2
Architecture: amd64
Date: Mon Apr 13 12:11:51 2015
InstallationDate: Installed on 2012-04-24 (1083 days ago)
InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Beta amd64 (20120327)
SourcePackage: mysql-5.6
UpgradeStatus: Upgraded to vivid on 2015-04-13 (0 days ago)

** Affects: mysql-5.6 (Ubuntu)
     Importance: High
         Status: Confirmed


** Tags: amd64 apport-bug vivid
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Incorrect keybinding/key processing (also unable to enter unicode characters) in mysql-client-5.6 (with EditLine wrapper)
https://bugs.launchpad.net/bugs/1443352
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