https://bugzilla.wikimedia.org/show_bug.cgi?id=26348
Summary: Database name reported as invalid during installation
Product: MediaWiki
Version: 1.18-svn
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Normal
Component: Installation
AssignedTo: wikibugs-l@lists.wikimedia.org
ReportedBy: m...@tibanne.com
CC: innocentkil...@gmail.com
When the database name contains a dash ("-"), MediaWiki will refuse to use it,
showing the following error message:
Invalid database name "db-name". Use only ASCII letters (a-z, A-Z), numbers
(0-9) and underscores (_).
According to mysql's documentation:
http://dev.mysql.com/doc/refman/5.1/en/identifiers.html
There are some restrictions on the characters that may appear in identifiers:
* No identifier can contain ASCII NUL (0x00).
* Database, table, and column names should not end with space characters.
* Before MySQL 5.1.6, database and table names cannot contain “/”, “\”, “.”, or
characters that are not permitted in file names.
Basically, dash is not forbidden by MySQL. What's worse, foo`bar\x01baz would
be a valid database name.
While I'm not saying MediaWiki should support such non-sense database names
(well, in theory it should), accepting the dash during installation could be at
least help a bit (especially in cases where database naming scheme is not
something we can decide).
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