Update DataCube on Callback

I’m loving the semi-experimental (and pretty awesome) DataCube. I finally got it working today with multiple SumAggregators, but when I try to update the cube’s ColumnDataSource with a callback, all the data in the DataCube output disappears. Is there an example out there where the DataCube can be updated with a callback by updating the ColumnDataSource? Before I go too much deeper with this, I’m curious if anyone has been successful with this kind of DataCube server update. If not, can the whole DataCube be deleted and then recreated in the callback as a workaround?

Yes, DataCube is missing some plumbing.
I’ve created #9657 - check it out, it has some workarounds.