efegokdemir commented on code in PR #11209:
URL: https://github.com/apache/arrow-rs/pull/11209#discussion_r4166399227
##########
arrow-data/src/transform/mod.rs:
##########
@@ -843,6 +843,16 @@ impl<'a> MutableArrayData<'a> {
));
}
+ if len == 0 {
+ return Ok(());
+ }
+
+ if matches!(&self.data.data_type, DataType::Union(fields, _) if
fields.is_empty()) {
Review Comment:
No. The summary was written by me from the diff, review thread, and the
validation results; it was not copied verbatim from an LLM response. I will
keep future replies focused on the concrete code change and reproducible
command output.
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