USE tpch1; drop table if exists qadefaulttest; create table qadefaulttest (cidx int) engine=columnstore; ALTER TABLE qadefaulttest ADD column MYDOUBLE2 DOUBLE not null DEFAULT -88.88; insert into qadefaulttest values (1, -88.88); select * from qadefaulttest; cidx MYDOUBLE2 1 -88.88 ALTER TABLE qadefaulttest ADD column MYFLOAT3 FLOAT not null DEFAULT -88.88; select * from qadefaulttest; cidx MYDOUBLE2 MYFLOAT3 1 -88.88 -88.88 ALTER TABLE qadefaulttest ADD column MYDECIMAL2 DECIMAL(4,2) not null DEFAULT -88.88; select * from qadefaulttest; cidx MYDOUBLE2 MYFLOAT3 MYDECIMAL2 1 -88.88 -88.88 -88.88 drop table qadefaulttest;