Method fields_logical_nulls

arrow-array/src/array/union_array.rs:671–678

Returns a vector of tuples containing each field's type_id and its logical null buffer. Only fields with non-zero null counts are included.

(&self)

    /// Returns a vector of tuples containing each field's type_id and its logical null buffer.
    /// Only fields with non-zero null counts are included.
    fn fields_logical_nulls(&self) -> Vec<(i8, NullBuffer)> {
        self.fields
            .iter()
            .enumerate()
            .filter_map(|(type_id, field)| Some((type_id as i8, field.as_ref()?.logical_nulls()?)))
            .filter(|(_, nulls)| nulls.null_count() > 0)
            .collect()
    }
}

impl From<ArrayData> for UnionArray {