I want to change ofMessageArchive table structure. How can I do it with successful manner?

Hello Guys,

I have one problem. Hope you will help me.

I installed openArchive in openfire. Now I want to change ofMessageArchive table. I want to add two fields in it.

If I do so, messaging didn’t work. So How can I overcome from this problem. I must need to change table structure.

What and where should I change in files or queries?

Help!

Thanks.