pub fn read_this_row_group(
predicate: Option<&dyn PhysicalIoExpr>,
md: &RowGroupMetadata,
schema: &Schema<Field>,
) -> Result<bool, PolarsError>
pub fn read_this_row_group(
predicate: Option<&dyn PhysicalIoExpr>,
md: &RowGroupMetadata,
schema: &Schema<Field>,
) -> Result<bool, PolarsError>