fn get_col_stats(
schema: &Schema,
null_counts: Vec<Precision<usize>>,
max_values: &mut [Option<MaxAccumulator>],
min_values: &mut [Option<MinAccumulator>],
is_max_value_exact: &mut [Option<bool>],
is_min_value_exact: &mut [Option<bool>],
) -> Vec<ColumnStatistics>