Sort a column that holds html

Maxxxel

Example a simple table

NAME | OTHER | OTHER2 | ..etc | RATING

RATING looks like this:
https://gyazo.com/a2df5d474b12c929a8b75a7a940d08e2

You can directly rate in the table, and it also gets updated.
but how to make the sort algorithm take the rating value, to sort the column?

Edit: the rating values are in a different Table, then the Data.

Maxxxel

Fixed, by editing the ssp.class to my behaviors.