Package: dbconfig-common
Version: 2.0.4~bpo8+1
Severity: normal
Tags: patch

Dear Maintainer,

when using special characters like a "-" in the database name,
uninstallation fails because the "DROP DATABASE" statement
generated does not use backticks to escape the name.

The patch adds backticks to the SQL statement in question. With those in
place, uninstallation succeeds as expected.

-- System Information:
Debian Release: 8.5
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.0-4-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages dbconfig-common depends on:
ii  debconf [debconf-2.0]  1.5.56
ii  ucf                    3.0030

dbconfig-common recommends no packages.

Versions of packages dbconfig-common suggests:
pn  dbconfig-mysql | dbconfig-pgsql | dbconfig-sqlite | dbconfig-sqlite  <none>

-- debconf information excluded
--- /usr/share/dbconfig-common/internal/mysql.orig	2016-09-17 12:18:23.946798604 +0000
+++ /usr/share/dbconfig-common/internal/mysql	2016-09-17 12:19:36.907257043 +0000
@@ -215,7 +215,7 @@
     dbc_logpart "dropping database $dbc_dbname:"
     if _dbc_mysql_check_database "$dbc_dbname"; then
-        if dbc_mysql_exec_command "DROP DATABASE $dbc_dbname"; then
+        if dbc_mysql_exec_command "DROP DATABASE \`$dbc_dbname\`"; then
             dbc_logline "success"
             dbc_logpart "verifying database $dbc_dbname was dropped:"
             if _dbc_mysql_check_database "$dbc_dbname"; then

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