alamb commented on code in PR #3953:
URL: https://github.com/apache/arrow-rs/pull/3953#discussion_r1153489207
##########
arrow-array/src/array/struct_array.rs:
##########
@@ -89,6 +89,14 @@ impl StructArray {
}
}
+ /// Returns the [`Field`] of this [`StructArray`]
+ pub fn fields(&self) -> &[Field] {
Review Comment:
I wonder if this needs to be updated to avoid a logical conflict with
`FieldList`
##########
arrow-array/src/record_batch.rs:
##########
@@ -447,23 +447,28 @@ impl Default for RecordBatchOptions {
Self::new()
}
}
+impl From<StructArray> for RecordBatch {
+ fn from(value: StructArray) -> Self {
+ assert_eq!(
+ value.null_count(),
+ 0,
+ "Cannot convert nullable StructArray to RecordBatch"
Review Comment:
I don't understand why this is an error
Wouldn't it make more sense to apply the parent `StructArray` validity mask
to each child's mask to form a new mask that is only non null if both the
struct array and the child array were non null 🤔
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