Description
Dropping the last collection column turns CompoundSparseCellNameType$WithCollection into CompoundDenseCellNameType
To reproduce
cqlsh:test> create table test (id int primary key, col map<int,int>); cqlsh:test> alter table test drop col; cqlsh:test> alter table test add col list<int>; code=2200 [Invalid query] message="Cannot add new column to a COMPACT STORAGE table"