comphead commented on code in PR #22133:
URL: https://github.com/apache/datafusion/pull/22133#discussion_r3229555518
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docs/source/library-user-guide/upgrading/54.0.0.md:
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@@ -557,6 +557,20 @@ are stored as `Arc<T>` so the map remains cheap to clone.
- Custom `ParquetFileReaderFactory` implementations or other consumers that
read `partitioned_file.extensions` and downcast manually.
+### `arrays_zip` struct field names changed
+
+The `arrays_zip` (and its alias `list_zip`) scalar function now names its
+output struct fields `"1"`, `"2"`, ..., `"n"` (1-indexed, matching DuckDB and
+Spark) instead of `c0`, `c1`, ..., `c{n-1}`.
+
+**Who is affected:**
+
+- Queries or downstream code that references the output struct fields by name
+ (e.g. `arrays_zip(a, b)['c0']`). Update field accessors to `'1'`, `'2'`,
Review Comment:
```suggestion
(e.g. `arrays_zip(a, b)['c0']`). Update field accessors to `1`, `2`,
```
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