dhruvxvaishnav commented on code in PR #10726:
URL: https://github.com/apache/arrow-rs/pull/10726#discussion_r3818810112
##########
arrow-cast/src/cast/list.rs:
##########
@@ -15,8 +15,111 @@
// specific language governing permissions and limitations
// under the License.
+use arrow_buffer::{BooleanBufferBuilder, NullBuffer};
+
use crate::cast::*;
+/// Returns a clone of `values` with parent nulls propagated to the child
elements.
+pub(crate) fn mask_fixed_size_list_values(array: &FixedSizeListArray) ->
ArrayRef {
+ let size = array.value_length() as usize;
+ if array.null_count() == 0 || size == 0 {
+ return Arc::clone(array.values());
+ }
+
+ let mut builder = BooleanBufferBuilder::new(array.values().len());
Review Comment:
Updated to use \NullBuffer::expand\ in \mask_fixed_size_list_values\. Thanks!
##########
arrow-cast/src/cast/list.rs:
##########
@@ -15,8 +15,111 @@
// specific language governing permissions and limitations
// under the License.
+use arrow_buffer::{BooleanBufferBuilder, NullBuffer};
+
use crate::cast::*;
+/// Returns a clone of `values` with parent nulls propagated to the child
elements.
+pub(crate) fn mask_fixed_size_list_values(array: &FixedSizeListArray) ->
ArrayRef {
+ let size = array.value_length() as usize;
+ if array.null_count() == 0 || size == 0 {
+ return Arc::clone(array.values());
+ }
+
+ let mut builder = BooleanBufferBuilder::new(array.values().len());
Review Comment:
Updated to use `NullBuffer::expand` in `mask_fixed_size_list_values`. Thanks!
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