fn convert_row_groups(
row_groups: Vec<RowGroup<'_>>,
schema_descr: Arc<SchemaDescriptor>,
) -> Result<Vec<RowGroupMetaData>>
fn convert_row_groups(
row_groups: Vec<RowGroup<'_>>,
schema_descr: Arc<SchemaDescriptor>,
) -> Result<Vec<RowGroupMetaData>>