1
file('test_all_expr_matches.values', Values, 'd DateTime, i UInt32, s String, ni Nullable(UInt64), ns Nullable(String), ars Array(String)')
file('test_some_expr_matches.values', Values, 'i Int64, ari Array(Int64), ars Array(String)')
select * from file('test_all_expr_matches.values', Values, 'd DateTime, i UInt32, s String, ni Nullable(UInt64), ns Nullable(String), ars Array(String)') format Null
select * from file('test_some_expr_matches.values', Values, 'i Int64, ari Array(Int64), ars Array(String)') format Null