I haven't seen details on whether the database has stayed the same, or what the details of any schema changes may be. If there's a file that calls them out, please let use know.
If not, the INSTALL, UPGRADE, and RELEASE-NOTES files of the mediawiki release provide information for upgrading, and they start with "It is imperative that, prior to attempting an upgrade of the database schema, you take a complete backup of your wiki database and files and verify it." That's a pretty good commercial for not doing what you'd like to do and either moving to another machine (or a virtual machine).
For what it's worth, I needed to change the home directory of one of my sites. I did what you're asking about, but it was with the same version.
-----Original Message----- From: mediawiki-l-bounces@lists.wikimedia.org [mailto:mediawiki-l-bounces@lists.wikimedia.org] On Behalf Of Henny Savenije Sent: Monday, September 20, 2010 4:16 AM To: Uwe Brauer; MediaWiki announcements and site admin list Subject: Re: [Mediawiki-l] connect to wikis to the same database?
That should work as long as the database structure of the new and old version is the same
At 06:33 PM 9/20/2010, you wrote:
Hello
I am running mediawiki 1.9.3 and would like to try more recent version. Could I install the most recent version of mediawiki (and leave the old in place) and connect both to the same database or would this cause problems?
Say the old is installed in /var/wiki and the new in /var/wiki-new
Thanks
Uwe Brauer
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