phillipleblanc commented on code in PR #7436:
URL: https://github.com/apache/arrow-rs/pull/7436#discussion_r2080689877
##########
arrow-array/src/array/struct_array.rs:
##########
@@ -842,4 +844,23 @@ mod tests {
);
assert_eq!(format!("{arr:?}"), "StructArray\n-- validity:\n[\n
valid,\n null,\n valid,\n null,\n valid,\n null,\n valid,\n null,\n
valid,\n null,\n ...10 elements...,\n valid,\n null,\n valid,\n null,\n
valid,\n null,\n valid,\n null,\n valid,\n null,\n]\n[\n-- child 0: \"c\"
(Int32)\nPrimitiveArray<Int32>\n[\n 0,\n 1,\n 2,\n 3,\n 4,\n 5,\n 6,\n
7,\n 8,\n 9,\n ...10 elements...,\n 20,\n 21,\n 22,\n 23,\n 24,\n
25,\n 26,\n 27,\n 28,\n 29,\n]\n]")
}
+
+ #[test]
+ fn test_struct_array_logical_nulls() {
+ // Field is non-nullable
+ let field = Field::new("a", DataType::Int32, false);
+ let values = vec![1, 2, 3];
+ // Create a NullBuffer with all bits set to valid (true)
+ let nulls = NullBuffer::from(vec![true, true, true]);
+ let array = Int32Array::new(values.into(), Some(nulls));
+ let child = Arc::new(array) as ArrayRef;
+ assert!(child.logical_nulls().is_some());
+ assert_eq!(child.logical_nulls().unwrap().null_count(), 0);
+
+ let fields = Fields::from(vec![field]);
+ let arrays = vec![child];
+ let nulls = None;
+
+ drop(StructArray::try_new(fields, arrays, nulls).expect("should not
error"));
Review Comment:
It was my linter complaining about an unused value, `let _ = ` was the
alternative. But I may have stricter lint setting than this repo, so I'll
change it.
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