v2 still relies on path column for permissions; v3 uses the ancestry column, which is very similar but no outer /s, and I think it omits the record's own ID. Perhaps just add a before_save filter on the Unit model in v3, then prevent editing units in v2.
v2 still relies on
pathcolumn for permissions; v3 uses theancestrycolumn, which is very similar but no outer/s, and I think it omits the record's own ID. Perhaps just add abefore_savefilter on theUnitmodel in v3, then prevent editing units in v2.