On 2 Dec 2013 at 17:24:23, vincent(a)massol.net (vincent(a)massol.net) wrote:  Hi, On 2 Dec 2013 at 17:06:44, Richard Hierlmeier (rhierlmeier(a)googlemail.com) wrote: most of our customers use MSSQL as database system. From time to time we Since you have customers, it means you have revenues too… :) I’d propose that you help the xwiki project tin supporting MSSQL (and provide us patches/pull requests when there are issues with it, you might even become a committer over time). You’re getting xwiki for free so I believe it’s good that you contribute back something, right? :) Give, give as we say.   have the opportunity to establish XWiki in customer projects.  However it is difficulty and risky to recomment XWiki on a database  system that is not supported by XWiki.org.  What are the reasons for not supporting MSSQL? Is it simply a license or  resource problem? Can we contribute here something?  I read too fast and missed the “can we contribute here something” part in your first email Richard!!! :) My apologies for missing this. So indeed that would a great help if you could help the project support MSSQL. Thanks! -Vincent It takes time to test every DB and to stop releasing XWiki when an issue happens (this blocks all the other issues that cannot be released in the mean time). In addition no xwiki committer use MSSQL nor have any knowledge of it. Now anyone can provide support for a given DB. We don’t refuse pull requests. I personally have no idea how well MSSQL works ATM. You can check JIRA for the list of known issues on MSSQL. Thanks -Vincent