The purpose behind the record_group in Favorites

[Cris]

The favorites model allows for two additional fields to be populated - note (record_note) and project (record_group).  I am planning to subvert one of these fields to work-around the gene primary key id issue we have (our keys are not meaningful to our users).  I used note for now but project (record_group) might be a better choice (leaving note as an editable field for the user).  Before doing that, I wanted to be sure there are no strings attached to using either field in any way I choose.  Specifically, I want to use the record_group field to hold a more meaningful gene symbol that I will use to hide the id hyperlink.  I will remove the user's ability to edit that field.  Any problem with that plan?

- Cris