Today I was checking up on my site after upgrading it to 3.5, and all of my comments on my posts from May 2012 to my latest post in November 2012 were mysteriously gone from my blog. I logged into WordPress and the comments were nowhere to be found. I just checked my wp_comments table on the database, and basically all the comments from May 2012-December 2012 just vanished. Everything else on my site is intact.
I'm really not sure what happened here; other than upgrading, I haven't installed any new plugins or made any major changes. Any advice on how I can possible repair this -- or how this even happened? (I'm not terribly experienced with databases, sorry!)