`getValue` cache not invalidating when `accessorFn` is updated

TanStack Table version

v8.12.0

Framework/Library version

React v18.2.0

Describe the bug and the steps to reproduce it

When the accessorFn for a column is updated to return a new value, the new value is never displayed in the table. Through a sophisticated series of console.logs, I discovered that when getValue is called on the rerender, the new accessorFn is never called, presumably due to caching on column id.

The use case is a column that displays the name of the person for the current row. We want the user to be able to choose whether to display first or last name first (e.g. Tanner Linsley or Linsley, Tanner). We could just change the column id when the accessorFn is updated, but then we lose the current sort state for that column, ie if the table is currently sorted by name, we want to stay sorted by name after the name format is changed.

Steps to reproduce:

1. Define a column where the accessorFn returns a different value based on some piece of state
2. Update that piece of state
3. The values in the column don't change

Your Minimal, Reproducible Example - (Sandbox Highly Recommended)

https://stackblitz.com/edit/tanstack-table-rnjqkx?file=src%2Fmain.tsx

Screenshots or Videos (Optional)

No response

Do you intend to try to help solve this bug with your own PR?

No, because I do not know how

Terms & Code of Conduct

• I agree to follow this project's Code of Conduct
• I understand that if my bug cannot be reliable reproduced in a debuggable environment, it will probably not be fixed and this issue may even be closed.

Start with the linked StackBlitz reproduction at src/main.tsx and confirm that changing state updates the column's accessorFn while getValue continues returning the cached value. Trace the getValue cache and accessorFn update path; the fix is done when displayed values refresh without changing the column id or losing the current sort state.