id	lc_nullable	lc_int_nullable	bool_nullable
Nullable(Int64)	LowCardinality(Nullable(String))	LowCardinality(Nullable(Int64))	Nullable(UInt8)
1	onee	1	1
2	twoo	2	0
3	three	3	1
4	four	4	1
5	five	5	1