create table source(x vecdouble, y int64); LOAD MODULE FROM "./libirf.so" FUNCTIONS ( newtree(height:int, f:int64, sparse:vecint, forget:double, maxf:int64, noclasses:int64, e:int) -> bool, fit_inc(X:vecvecdouble, y:vecint64) -> bool, predict(X:vecvecdouble) -> vecint ); create table elec_sparse(v int); insert into elec_sparse values (0), (1), (1), (1), (1), (1), (1); select newtree(30, 7, elec_sparse.v, 0, 4, 2, 1) from elec_sparse