allisonwang-db commented on code in PR #48820:
URL: https://github.com/apache/spark/pull/48820#discussion_r1858196893
##########
python/pyspark/sql/column.py:
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@@ -1524,7 +1524,11 @@ def over(self, window: "WindowSpec") -> "Column":
@dispatch_col_method
def outer(self) -> "Column":
"""
- Mark this column reference as an outer reference for subqueries.
+ Mark this as an outer Column if its expression may reference columns
in the outer plan.
Review Comment:
```suggestion
Mark this column as an outer column if its expression refers to
columns from an outer query.
```
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