Sounds like it's basically explained in the gh-ost readme https://github.com/github/gh-ost#how https://github.com/github/gh-ost#how I think it amounts to "use

Sounds like it's basically explained in the gh-ost readme https://github.com/github/gh-ost#how https://github.com/github/gh-ost#how I think it amounts to "use views to decouple access to the table with a fixed interface" and "use triggers for migrating data between tables"